From 6f46fd8982c67bf5e18bef93629c055ade21b3e9 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Sat, 13 Dec 2025 22:44:24 +0530 Subject: [PATCH 01/21] refactor: Split models into domain-specific modules - Split core/models.py into domain modules - Enhance user/auth models with production-grade features - Update dependencies: pydantic[email] for EmailStr validation - Update tests to match new model structure - All imports remain backward compatible - All 48 tests passing --- .cursor/rules/instructions.mdc | 5 + core/models.py | 235 ----------------------- core/models/__init__.py | 78 ++++++++ core/models/interaction.py | 82 ++++++++ core/models/protocol.py | 136 ++++++++++++++ core/models/session.py | 59 ++++++ core/models/user.py | 334 +++++++++++++++++++++++++++++++++ pyproject.toml | 2 +- tests/test_models.py | 126 +++++++------ uv.lock | 31 ++- 10 files changed, 792 insertions(+), 296 deletions(-) create mode 100644 .cursor/rules/instructions.mdc delete mode 100644 core/models.py create mode 100644 core/models/__init__.py create mode 100644 core/models/interaction.py create mode 100644 core/models/protocol.py create mode 100644 core/models/session.py create mode 100644 core/models/user.py diff --git a/.cursor/rules/instructions.mdc b/.cursor/rules/instructions.mdc new file mode 100644 index 0000000..a22121b --- /dev/null +++ b/.cursor/rules/instructions.mdc @@ -0,0 +1,5 @@ +--- +alwaysApply: true +--- + +# Do not create .md file for all the jobs. If MD or docs will be needed user will specify clearly in the prompt. Until then do not create docs or .md files. diff --git a/core/models.py b/core/models.py deleted file mode 100644 index 2c90805..0000000 --- a/core/models.py +++ /dev/null @@ -1,235 +0,0 @@ -""" -Shared Pydantic models for NeroSpatial Backend. - -All models are immutable (frozen) to prevent accidental mutation and ensure -thread-safe operations across the platform. -""" - -from datetime import UTC, datetime -from enum import Enum -from typing import Any -from uuid import UUID - -from pydantic import BaseModel, ConfigDict, Field - -# ============================================================================ -# Enums -# ============================================================================ - - -class SessionMode(str, Enum): - """Session operation mode""" - - ACTIVE = "active" # Real-time conversational AI - PASSIVE = "passive" # Silent observer mode - - -class ControlMessageType(str, Enum): - """WebSocket control message types""" - - SESSION_CONTROL = "session_control" - ERROR = "error" - ACK = "ack" - HEARTBEAT = "heartbeat" - - -class StreamType(int, Enum): - """Binary frame stream types""" - - AUDIO = 0x01 - VIDEO = 0x02 - CONTROL = 0x03 - - -class FrameFlags(int, Enum): - """Binary frame flags""" - - END_OF_STREAM = 0x01 - PRIORITY = 0x02 - ERROR = 0x04 - - -class UserStatus(str, Enum): - """User account status""" - - ACTIVE = "active" - BLACKLISTED = "blacklisted" - SUSPENDED = "suspended" - - -# ============================================================================ -# Session Models -# ============================================================================ - - -class SessionState(BaseModel): - """Session state stored in Redis""" - - session_id: UUID - user_id: UUID - mode: SessionMode - created_at: datetime - last_activity: datetime - voice_id: str | None = None - enable_vision: bool = False - preferences: dict[str, Any] = Field(default_factory=dict) - - model_config = ConfigDict(frozen=True) - - -# ============================================================================ -# User Models -# ============================================================================ - - -class UserContext(BaseModel): - """Lightweight user context extracted from JWT token""" - - user_id: UUID - email: str - created_at: datetime - name: str | None = None - oauth_provider: str = "google" - - model_config = ConfigDict(frozen=True) - - -class OAuthTokens(BaseModel): - """OAuth token storage""" - - access_token: str - refresh_token: str - id_token: str | None = None - expires_at: datetime - token_type: str = "Bearer" - scope: str | None = None - - model_config = ConfigDict(frozen=True) - - -class TokenBlacklistEntry(BaseModel): - """Revoked token tracking""" - - token_id: str # JWT jti (JWT ID) or token hash - user_id: UUID - revoked_at: datetime - expires_at: datetime # Original token expiration (for cleanup) - - model_config = ConfigDict(frozen=True) - - -class User(BaseModel): - """Full user profile with OAuth integration""" - - user_id: UUID - email: str - name: str | None = None - oauth_provider: str = "google" - status: UserStatus = UserStatus.ACTIVE - created_at: datetime - updated_at: datetime - last_login: datetime | None = None - oauth_tokens: OAuthTokens | None = None - picture_url: str | None = None - locale: str | None = None - - model_config = ConfigDict(frozen=True) - - # Note: Sessions tracked separately in Redis (not in User model) - - -# ============================================================================ -# Interaction Models -# ============================================================================ - - -class InteractionTurn(BaseModel): - """Single interaction turn (user query + AI response)""" - - turn_id: UUID - session_id: UUID - timestamp: datetime - transcript: str - scene_description: str | None = None - llm_response: str - model_used: str # "groq", "gemini", "ollama" - latency_ms: int - tokens_used: int | None = None - - model_config = ConfigDict(frozen=True) - - -class ConversationHistory(BaseModel): - """Last N turns for context retrieval""" - - user_id: UUID - turns: list[InteractionTurn] = Field(default_factory=list) - max_turns: int = 10 - - model_config = ConfigDict(frozen=True) - - def add_turn(self, turn: InteractionTurn) -> "ConversationHistory": - """Add turn and maintain max_turns limit""" - new_turns = [turn] + self.turns - return ConversationHistory( - user_id=self.user_id, - turns=new_turns[: self.max_turns], - max_turns=self.max_turns, - ) - - -# ============================================================================ -# Control Message Models -# ============================================================================ - - -class ControlMessage(BaseModel): - """Control message sent via WebSocket (stream_type=0x03)""" - - type: ControlMessageType - action: str | None = ( - None # "start_active_mode", "start_passive_mode", "end_session" - ) - payload: dict[str, Any] = Field(default_factory=dict) - timestamp: datetime = Field(default_factory=lambda: datetime.now(UTC)) - - model_config = ConfigDict(frozen=True) - - -# ============================================================================ -# Binary Frame Models -# ============================================================================ - - -class BinaryFrame(BaseModel): - """Parsed binary frame from WebSocket""" - - stream_type: StreamType - flags: int - payload: bytes - length: int - - model_config = ConfigDict(frozen=True) - - @classmethod - def parse(cls, data: bytes) -> "BinaryFrame": - """Parse 4-byte header + payload""" - if len(data) < 4: - raise ValueError("Frame too short") - - stream_type = StreamType(data[0]) - flags = data[1] - length = int.from_bytes(data[2:4], "big") - payload = data[4 : 4 + length] - - if len(payload) != length: - raise ValueError("Payload length mismatch") - - return cls(stream_type=stream_type, flags=flags, payload=payload, length=length) - - def to_bytes(self) -> bytes: - """Serialize to binary frame format""" - header = bytes( - [self.stream_type.value, self.flags, *self.length.to_bytes(2, "big")] - ) - return header + self.payload diff --git a/core/models/__init__.py b/core/models/__init__.py new file mode 100644 index 0000000..120437d --- /dev/null +++ b/core/models/__init__.py @@ -0,0 +1,78 @@ +""" +Core models package - re-exports all models for backward compatibility. + +All models can be imported from this package: + from core.models import User, SessionState, InteractionTurn + +Or from domain-specific modules: + from core.models.user import User + from core.models.session import SessionState + from core.models.interaction import InteractionTurn + from core.models.protocol import BinaryFrame + +Schema Version: 1.0 +""" + +# Import all from domain modules +from core.models.interaction import ( + # Models + ConversationHistory, + InteractionTurn, +) +from core.models.protocol import ( + # Models + BinaryFrame, + ControlMessage, + # Enums + ControlMessageType, + FrameFlags, + StreamType, +) +from core.models.session import ( + # Enum + SessionMode, + # Model + SessionState, +) +from core.models.user import ( + # Enums + AuditAction, + # Models + AuditLog, + OAuthProvider, + OAuthTokens, + RefreshToken, + TokenBlacklistEntry, + TokenRevocationReason, + User, + UserContext, + UserStatus, +) + +__all__ = [ + # Enums - User & Auth + "UserStatus", + "OAuthProvider", + "TokenRevocationReason", + "AuditAction", + # Enums - Session & Control + "SessionMode", + "ControlMessageType", + "StreamType", + "FrameFlags", + # Models - User & Auth + "User", + "UserContext", + "RefreshToken", + "TokenBlacklistEntry", + "AuditLog", + "OAuthTokens", + # Models - Session + "SessionState", + # Models - Interaction + "InteractionTurn", + "ConversationHistory", + # Models - Control & Binary + "ControlMessage", + "BinaryFrame", +] diff --git a/core/models/interaction.py b/core/models/interaction.py new file mode 100644 index 0000000..fefda72 --- /dev/null +++ b/core/models/interaction.py @@ -0,0 +1,82 @@ +""" +Interaction and conversation models. + +This module contains models for tracking user interactions, conversation turns, +and conversation history. + +Schema Version: 1.0 +""" + +from datetime import datetime +from uuid import UUID + +from pydantic import BaseModel, ConfigDict, Field + +# ============================================================================ +# Models +# ============================================================================ + + +class InteractionTurn(BaseModel): + """ + Single interaction turn (user query + AI response). + + Represents one complete interaction cycle in a conversation. + Stored in Cassandra for time-series analysis. + + Attributes: + turn_id: Unique identifier for this turn + session_id: Session where this interaction occurred + timestamp: When the interaction started (UTC) + transcript: User's transcribed speech + scene_description: VLM description of visual context (if any) + llm_response: AI's response text + model_used: LLM provider/model used + latency_ms: Total response latency in milliseconds + tokens_used: Number of tokens consumed (if tracked) + """ + + turn_id: UUID + session_id: UUID + timestamp: datetime + transcript: str + scene_description: str | None = None + llm_response: str + model_used: str # "groq", "gemini", "ollama" + latency_ms: int + tokens_used: int | None = None + + model_config = ConfigDict(frozen=True) + + +class ConversationHistory(BaseModel): + """ + Last N turns for context retrieval. + + Maintained in Redis for fast access during active sessions. + Immutable - add_turn returns a new instance. + + Attributes: + user_id: User who owns this history + turns: List of recent interaction turns (newest first) + max_turns: Maximum number of turns to retain + """ + + user_id: UUID + turns: list[InteractionTurn] = Field(default_factory=list) + max_turns: int = 10 + + model_config = ConfigDict(frozen=True) + + def add_turn(self, turn: InteractionTurn) -> "ConversationHistory": + """ + Add turn and maintain max_turns limit. + + Returns a new ConversationHistory instance (immutable pattern). + """ + new_turns = [turn, *self.turns] + return ConversationHistory( + user_id=self.user_id, + turns=new_turns[: self.max_turns], + max_turns=self.max_turns, + ) diff --git a/core/models/protocol.py b/core/models/protocol.py new file mode 100644 index 0000000..a513b18 --- /dev/null +++ b/core/models/protocol.py @@ -0,0 +1,136 @@ +""" +WebSocket protocol models. + +This module contains models for WebSocket binary frame protocol and control messages. + +Schema Version: 1.0 +""" + +from datetime import UTC, datetime +from enum import Enum +from typing import Any + +from pydantic import BaseModel, ConfigDict, Field + +# ============================================================================ +# Enums +# ============================================================================ + + +class ControlMessageType(str, Enum): + """WebSocket control message types.""" + + SESSION_CONTROL = "session_control" + ERROR = "error" + ACK = "ack" + HEARTBEAT = "heartbeat" + + +class StreamType(int, Enum): + """Binary frame stream types.""" + + AUDIO = 0x01 + VIDEO = 0x02 + CONTROL = 0x03 + + +class FrameFlags(int, Enum): + """Binary frame flags.""" + + END_OF_STREAM = 0x01 + PRIORITY = 0x02 + ERROR = 0x04 + + +# ============================================================================ +# Models +# ============================================================================ + + +class ControlMessage(BaseModel): + """ + Control message sent via WebSocket (stream_type=0x03). + + Used for session management, heartbeats, and error reporting. + + Attributes: + type: Type of control message + action: Specific action for SESSION_CONTROL messages + payload: Additional data as JSON + timestamp: When the message was created (UTC) + """ + + type: ControlMessageType + action: str | None = ( + None # "start_active_mode", "start_passive_mode", "end_session" + ) + payload: dict[str, Any] = Field(default_factory=dict) + timestamp: datetime = Field(default_factory=lambda: datetime.now(UTC)) + + model_config = ConfigDict(frozen=True) + + +class BinaryFrame(BaseModel): + """ + Parsed binary frame from WebSocket. + + Binary frame protocol for efficient audio/video streaming. + + Frame format: + [Header: 4 bytes] [Payload: N bytes] + - Byte 0: Stream Type (0x01=Audio, 0x02=Video, 0x03=Control) + - Byte 1: Flags + - Bytes 2-3: Payload Length (uint16, big-endian) + + Attributes: + stream_type: Type of stream (AUDIO, VIDEO, CONTROL) + flags: Frame flags (END_OF_STREAM, PRIORITY, ERROR) + payload: Raw payload bytes + length: Payload length in bytes + """ + + stream_type: StreamType + flags: int + payload: bytes + length: int + + model_config = ConfigDict(frozen=True) + + @classmethod + def parse(cls, data: bytes) -> "BinaryFrame": + """ + Parse 4-byte header + payload from raw bytes. + + Args: + data: Raw bytes containing header and payload + + Returns: + Parsed BinaryFrame instance + + Raises: + ValueError: If frame is too short or payload length mismatch + """ + if len(data) < 4: + raise ValueError("Frame too short") + + stream_type = StreamType(data[0]) + flags = data[1] + length = int.from_bytes(data[2:4], "big") + payload = data[4 : 4 + length] + + if len(payload) != length: + raise ValueError("Payload length mismatch") + + return cls(stream_type=stream_type, flags=flags, payload=payload, length=length) + + def to_bytes(self) -> bytes: + """ + Serialize to binary frame format. + + Returns: + Raw bytes ready for WebSocket transmission + """ + header = bytes( + [self.stream_type.value, self.flags, *self.length.to_bytes(2, "big")] + ) + return header + self.payload diff --git a/core/models/session.py b/core/models/session.py new file mode 100644 index 0000000..87b1519 --- /dev/null +++ b/core/models/session.py @@ -0,0 +1,59 @@ +""" +Session management models. + +This module contains models related to WebSocket session state and management. + +Schema Version: 1.0 +""" + +from datetime import datetime +from enum import Enum +from typing import Any +from uuid import UUID + +from pydantic import BaseModel, ConfigDict, Field + +# ============================================================================ +# Enums +# ============================================================================ + + +class SessionMode(str, Enum): + """Session operation mode.""" + + ACTIVE = "active" # Real-time conversational AI + PASSIVE = "passive" # Silent observer mode + + +# ============================================================================ +# Models +# ============================================================================ + + +class SessionState(BaseModel): + """ + Session state stored in Redis. + + Represents an active WebSocket session for a user. + + Attributes: + session_id: Unique session identifier + user_id: User who owns this session + mode: Current session mode (ACTIVE or PASSIVE) + created_at: Session creation timestamp (UTC) + last_activity: Last activity timestamp for TTL extension + voice_id: Selected voice for TTS (if any) + enable_vision: Whether vision processing is enabled + preferences: User preferences for this session + """ + + session_id: UUID + user_id: UUID + mode: SessionMode + created_at: datetime + last_activity: datetime + voice_id: str | None = None + enable_vision: bool = False + preferences: dict[str, Any] = Field(default_factory=dict) + + model_config = ConfigDict(frozen=True) diff --git a/core/models/user.py b/core/models/user.py new file mode 100644 index 0000000..8fe4020 --- /dev/null +++ b/core/models/user.py @@ -0,0 +1,334 @@ +""" +User and Authentication models. + +This module contains all models related to user management, authentication, +and authorization including OAuth, tokens, and audit logging. + +Schema Version: 1.0 +""" + +from datetime import UTC, datetime +from enum import Enum +from typing import Any +from uuid import UUID + +from pydantic import ( + BaseModel, + ConfigDict, + EmailStr, + Field, + HttpUrl, + field_validator, +) + +# ============================================================================ +# Enums +# ============================================================================ + + +class UserStatus(str, Enum): + """ + User account status with defined transition rules. + + State Transitions: + - PENDING_VERIFICATION -> ACTIVE (after email verification) + - ACTIVE -> LOCKED (rate limit exceeded, auto-expires) + - ACTIVE -> SUSPENDED (admin action) + - ACTIVE -> BLACKLISTED (security violation, permanent) + - LOCKED -> ACTIVE (after lockout period) + - SUSPENDED -> ACTIVE (admin action) + """ + + ACTIVE = "active" + PENDING_VERIFICATION = "pending_verification" + SUSPENDED = "suspended" + BLACKLISTED = "blacklisted" + LOCKED = "locked" # Temporary lock (rate limit violations) + + +class OAuthProvider(str, Enum): + """Supported OAuth providers for authentication.""" + + GOOGLE = "google" + GITHUB = "github" + MICROSOFT = "microsoft" + + +class TokenRevocationReason(str, Enum): + """Reasons for token revocation/blacklisting.""" + + LOGOUT = "logout" # User initiated logout + REFRESH = "refresh" # Token rotated during refresh + SECURITY = "security" # Security concern (password change, suspicious activity) + ADMIN = "admin" # Admin initiated revocation + EXPIRED = "expired" # Token naturally expired + + +class AuditAction(str, Enum): + """Audit log action types for security event tracking.""" + + LOGIN = "login" + LOGOUT = "logout" + TOKEN_REFRESH = "token_refresh" + PASSWORD_CHANGE = "password_change" + PROFILE_UPDATE = "profile_update" + ACCOUNT_DELETE = "account_delete" + STATUS_CHANGE = "status_change" + RATE_LIMIT_EXCEEDED = "rate_limit_exceeded" + + +# ============================================================================ +# Models +# ============================================================================ + + +class User(BaseModel): + """ + Full user profile with OAuth integration. + + Stored in PostgreSQL. This is the authoritative user record. + + Attributes: + user_id: Unique identifier (UUID) + email: User's email address (validated format) + name: Display name (optional) + oauth_provider: OAuth provider used for authentication + oauth_sub: OAuth provider's subject ID for the user + status: Current account status + created_at: Account creation timestamp (UTC) + updated_at: Last update timestamp (UTC) + last_login: Last successful login timestamp (UTC) + deleted_at: Soft delete timestamp (UTC), None if active + picture_url: Profile picture URL (validated) + locale: User's locale preference (e.g., "en", "en-US") + metadata: Extensible JSON field for future additions + schema_version: Model schema version for migrations + """ + + # Primary fields + user_id: UUID + email: EmailStr + name: str | None = None + + # OAuth fields + oauth_provider: OAuthProvider = OAuthProvider.GOOGLE + oauth_sub: str | None = None + + # Status & timestamps + status: UserStatus = UserStatus.ACTIVE + created_at: datetime + updated_at: datetime + last_login: datetime | None = None + deleted_at: datetime | None = None # Soft delete support + + # Profile fields + picture_url: HttpUrl | None = None + locale: str = "en" + + # Extensibility + metadata: dict[str, Any] = Field(default_factory=dict) + schema_version: str = "1.0" + + model_config = ConfigDict(frozen=True) + + @field_validator("locale") + @classmethod + def validate_locale(cls, v: str) -> str: + """Validate locale format and normalize to lowercase.""" + if len(v) > 10: + raise ValueError("Locale must be max 10 characters") + return v.lower() + + @field_validator( + "created_at", "updated_at", "last_login", "deleted_at", mode="before" + ) + @classmethod + def ensure_utc(cls, v: datetime | None) -> datetime | None: + """Ensure all timestamps are timezone-aware (UTC).""" + if v is None: + return None + if v.tzinfo is None: + return v.replace(tzinfo=UTC) + return v + + def is_active(self) -> bool: + """Check if user account is active and not deleted.""" + return self.status == UserStatus.ACTIVE and self.deleted_at is None + + def is_deleted(self) -> bool: + """Check if user account is soft-deleted.""" + return self.deleted_at is not None + + +class UserContext(BaseModel): + """ + Lightweight user context extracted from JWT token. + + Cached in Redis for fast access during request processing. + This model represents the claims structure of the JWT. + + Attributes: + user_id: User's unique identifier + email: User's email address + name: Display name (optional) + oauth_provider: OAuth provider used + status: Current account status (for authorization checks) + token_id: JWT jti (JWT ID) claim for blacklist checking + issued_at: Token issue time (iat claim) + expires_at: Token expiration time (exp claim) + session_id: Associated WebSocket session ID (if connected) + """ + + # User identity + user_id: UUID + email: EmailStr + name: str | None = None + + # Auth metadata + oauth_provider: OAuthProvider = OAuthProvider.GOOGLE + status: UserStatus = UserStatus.ACTIVE + + # Token metadata (from JWT claims) + token_id: str # JWT jti claim + issued_at: datetime # JWT iat claim + expires_at: datetime # JWT exp claim + + # Session info (optional, set when WebSocket connected) + session_id: UUID | None = None + + model_config = ConfigDict(frozen=True) + + def is_active(self) -> bool: + """Check if user can perform actions.""" + return self.status == UserStatus.ACTIVE + + def is_expired(self) -> bool: + """Check if token is expired.""" + return datetime.now(UTC) > self.expires_at + + def is_valid(self) -> bool: + """Check if context is valid (active user, not expired).""" + return self.is_active() and not self.is_expired() + + +class RefreshToken(BaseModel): + """ + Refresh token for token rotation. + + Stored in PostgreSQL as SHA-256 hash. Supports token rotation + with tracking of previous tokens for security analysis. + + Attributes: + token_id: Unique identifier for this refresh token + user_id: Owner of this token + token_hash: SHA-256 hash of the actual token value + expires_at: Token expiration timestamp (UTC) + created_at: Token creation timestamp (UTC) + rotated_at: When this token was rotated (replaced), None if still active + previous_token_id: Previous token in rotation chain (for audit) + ip_address: IP address where token was issued + user_agent: User agent string where token was issued + """ + + token_id: UUID + user_id: UUID + token_hash: str # SHA-256 hash, never store raw token + expires_at: datetime + created_at: datetime + rotated_at: datetime | None = None + previous_token_id: UUID | None = None + ip_address: str | None = None + user_agent: str | None = None + + model_config = ConfigDict(frozen=True) + + def is_expired(self) -> bool: + """Check if refresh token is expired.""" + return datetime.now(UTC) > self.expires_at + + def is_rotated(self) -> bool: + """Check if token has been rotated (replaced).""" + return self.rotated_at is not None + + def is_valid(self) -> bool: + """Check if token is valid (not expired, not rotated).""" + return not self.is_expired() and not self.is_rotated() + + +class TokenBlacklistEntry(BaseModel): + """ + Revoked token tracking for security. + + Stored in both Redis (fast lookup) and PostgreSQL (persistence). + Redis entry has TTL matching original token expiration. + + Attributes: + token_id: JWT jti (JWT ID) claim + user_id: User who owned this token + revoked_at: When the token was revoked (UTC) + expires_at: Original token expiration (for cleanup scheduling) + reason: Why the token was revoked + ip_address: IP address where revocation occurred (audit) + """ + + token_id: str # JWT jti claim + user_id: UUID + revoked_at: datetime + expires_at: datetime + reason: TokenRevocationReason + ip_address: str | None = None + + model_config = ConfigDict(frozen=True) + + def is_cleanup_ready(self) -> bool: + """Check if entry can be cleaned up (original token expired).""" + return datetime.now(UTC) > self.expires_at + + +class AuditLog(BaseModel): + """ + Audit trail for security events. + + Stored in PostgreSQL for compliance and security analysis. + User ID is nullable to handle cases where user is deleted. + + Attributes: + log_id: Unique identifier for this log entry + user_id: User who performed the action (None if user deleted) + action: Type of action performed + details: Additional context as JSON + ip_address: Client IP address + user_agent: Client user agent string + created_at: When the action occurred (UTC) + """ + + log_id: UUID + user_id: UUID | None + action: AuditAction + details: dict[str, Any] = Field(default_factory=dict) + ip_address: str | None = None + user_agent: str | None = None + created_at: datetime + + model_config = ConfigDict(frozen=True) + + +class OAuthTokens(BaseModel): + """ + OAuth token storage. + + DEPRECATED: This model stored raw OAuth tokens from the provider. + For security, we now only store our own refresh tokens (RefreshToken model) + and exchange OAuth tokens immediately during login. + + Kept for backward compatibility during migration. + """ + + access_token: str + refresh_token: str + id_token: str | None = None + expires_at: datetime + token_type: str = "Bearer" + scope: str | None = None + + model_config = ConfigDict(frozen=True) diff --git a/pyproject.toml b/pyproject.toml index 2987753..194d75d 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -6,7 +6,7 @@ requires-python = ">=3.11" dependencies = [ "fastapi>=0.104.0", "uvicorn[standard]>=0.24.0", - "pydantic>=2.5.0", + "pydantic[email]>=2.5.0", "pydantic-settings>=2.1.0", "python-dotenv>=1.0.0", "azure-core>=1.36.0", diff --git a/tests/test_models.py b/tests/test_models.py index a4739e8..6128843 100644 --- a/tests/test_models.py +++ b/tests/test_models.py @@ -6,17 +6,25 @@ import pytest from core.models import ( + # Models - Control & Binary BinaryFrame, ControlMessage, + # Enums - Session & Control ControlMessageType, + # Models - Interaction ConversationHistory, FrameFlags, InteractionTurn, + # Enums - User & Auth + OAuthProvider, + # Models - User & Auth OAuthTokens, SessionMode, + # Models - Session SessionState, StreamType, TokenBlacklistEntry, + TokenRevocationReason, User, UserContext, UserStatus, @@ -71,7 +79,7 @@ def test_session_state_creation(): """Test SessionState model creation""" session_id = uuid4() user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) session = SessionState( session_id=session_id, @@ -94,7 +102,7 @@ def test_session_state_immutability(): """Test that SessionState is immutable""" session_id = uuid4() user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) session = SessionState( session_id=session_id, @@ -112,7 +120,7 @@ def test_session_state_json_serialization(): """Test SessionState JSON serialization""" session_id = uuid4() user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) session = SessionState( session_id=session_id, @@ -134,26 +142,40 @@ def test_session_state_json_serialization(): def test_user_context_creation(): - """Test UserContext model creation""" + """Test UserContext model creation with all fields.""" user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) + expires = now + timedelta(minutes=15) context = UserContext( - user_id=user_id, email="test@example.com", created_at=now, name="Test User" + user_id=user_id, + email="test@example.com", + name="Test User", + oauth_provider=OAuthProvider.GOOGLE, + status=UserStatus.ACTIVE, + token_id="jti-12345", + issued_at=now, + expires_at=expires, ) assert context.user_id == user_id assert context.email == "test@example.com" - assert context.name == "Test User" - assert context.oauth_provider == "google" # Default value + assert context.token_id == "jti-12345" + assert context.session_id is None def test_user_context_immutability(): - """Test that UserContext is immutable""" + """Test that UserContext is immutable.""" user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) - context = UserContext(user_id=user_id, email="test@example.com", created_at=now) + context = UserContext( + user_id=user_id, + email="test@example.com", + token_id="jti-12345", + issued_at=now, + expires_at=now + timedelta(minutes=15), + ) with pytest.raises(Exception): context.email = "new@example.com" @@ -161,7 +183,7 @@ def test_user_context_immutability(): def test_oauth_tokens_creation(): """Test OAuthTokens model creation""" - now = datetime.utcnow() + now = datetime.now(UTC) expires_at = now + timedelta(hours=1) tokens = OAuthTokens( @@ -179,70 +201,58 @@ def test_oauth_tokens_creation(): def test_token_blacklist_entry_creation(): - """Test TokenBlacklistEntry model creation""" + """Test TokenBlacklistEntry model creation with reason.""" user_id = uuid4() - now = datetime.utcnow() - expires_at = now + timedelta(hours=1) + now = datetime.now(UTC) + expires = now + timedelta(minutes=15) entry = TokenBlacklistEntry( - token_id="jti_123", user_id=user_id, revoked_at=now, expires_at=expires_at + token_id="jti-12345", + user_id=user_id, + revoked_at=now, + expires_at=expires, + reason=TokenRevocationReason.LOGOUT, + ip_address="192.168.1.1", ) - assert entry.token_id == "jti_123" - assert entry.user_id == user_id - assert entry.revoked_at == now - assert entry.expires_at == expires_at + assert entry.token_id == "jti-12345" + assert entry.reason == TokenRevocationReason.LOGOUT + assert entry.ip_address == "192.168.1.1" def test_user_creation(): - """Test User model creation""" + """Test User model creation with all fields.""" user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) user = User( user_id=user_id, email="test@example.com", name="Test User", + oauth_provider=OAuthProvider.GOOGLE, + oauth_sub="google-12345", created_at=now, updated_at=now, + picture_url="https://example.com/photo.jpg", + locale="en-us", ) assert user.user_id == user_id assert user.email == "test@example.com" assert user.name == "Test User" - assert user.oauth_provider == "google" # Default value - assert user.status == UserStatus.ACTIVE # Default value - assert user.oauth_tokens is None - - -def test_user_with_oauth_tokens(): - """Test User model with OAuth tokens""" - user_id = uuid4() - now = datetime.utcnow() - expires_at = now + timedelta(hours=1) - - tokens = OAuthTokens( - access_token="access_token", - refresh_token="refresh_token", - expires_at=expires_at, - ) - - user = User( - user_id=user_id, - email="test@example.com", - created_at=now, - updated_at=now, - oauth_tokens=tokens, - ) - - assert user.oauth_tokens is not None - assert user.oauth_tokens.access_token == "access_token" + assert user.oauth_provider == OAuthProvider.GOOGLE + assert user.oauth_sub == "google-12345" + assert user.status == UserStatus.ACTIVE + assert user.deleted_at is None + assert user.metadata == {} + assert user.schema_version == "1.0" + assert user.locale == "en-us" # Validated and lowercased def test_user_blacklisted_status(): - """Test User with blacklisted status""" + """Test User with blacklisted status.""" user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) user = User( user_id=user_id, @@ -264,7 +274,7 @@ def test_interaction_turn_creation(): """Test InteractionTurn model creation""" turn_id = uuid4() session_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) turn = InteractionTurn( turn_id=turn_id, @@ -300,7 +310,7 @@ def test_conversation_history_add_turn(): """Test ConversationHistory.add_turn() method""" user_id = uuid4() session_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) history = ConversationHistory(user_id=user_id, max_turns=3) @@ -352,7 +362,7 @@ def test_conversation_history_immutability(): """Test that ConversationHistory.add_turn() returns new instance""" user_id = uuid4() session_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) history1 = ConversationHistory(user_id=user_id) turn = InteractionTurn( @@ -404,7 +414,7 @@ def test_control_message_with_payload(): def test_control_message_default_timestamp(): - """Test that ControlMessage has default timestamp""" + """Test that ControlMessage has default timestamp.""" before = datetime.now(UTC) message = ControlMessage(type=ControlMessageType.HEARTBEAT) after = datetime.now(UTC) @@ -535,7 +545,7 @@ def test_default_factories_dont_share_state(): session_id1 = uuid4() session_id2 = uuid4() user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) session1 = SessionState( session_id=session_id1, @@ -574,7 +584,7 @@ def test_default_factories_dont_share_state(): def test_uuid_json_serialization(): """Test that UUIDs are properly serialized in JSON""" user_id = uuid4() - now = datetime.utcnow() + now = datetime.now(UTC) user = User( user_id=user_id, email="test@example.com", created_at=now, updated_at=now @@ -586,7 +596,7 @@ def test_uuid_json_serialization(): def test_datetime_json_serialization(): """Test that datetimes are properly serialized in JSON""" - now = datetime.utcnow() + now = datetime.now(UTC) user_id = uuid4() user = User( diff --git a/uv.lock b/uv.lock index 6a4a9c6..ae32718 100644 --- a/uv.lock +++ b/uv.lock @@ -329,6 +329,28 @@ wheels = [ { url = "https://files.pythonhosted.org/packages/33/6b/e0547afaf41bf2c42e52430072fa5658766e3d65bd4b03a563d1b6336f57/distlib-0.4.0-py2.py3-none-any.whl", hash = "sha256:9659f7d87e46584a30b5780e43ac7a2143098441670ff0a49d5f9034c54a6c16", size = 469047, upload-time = "2025-07-17T16:51:58.613Z" }, ] +[[package]] +name = "dnspython" +version = "2.8.0" +source = { registry = "https://pypi.org/simple" } +sdist = { url = "https://files.pythonhosted.org/packages/8c/8b/57666417c0f90f08bcafa776861060426765fdb422eb10212086fb811d26/dnspython-2.8.0.tar.gz", hash = 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--git a/docs/AUTH_IMPLEMENTATION.md b/docs/AUTH_IMPLEMENTATION.md new file mode 100644 index 0000000..0699b5a --- /dev/null +++ b/docs/AUTH_IMPLEMENTATION.md @@ -0,0 +1,937 @@ +# Authentication & Authorization Implementation Plan + +**Version:** 1.0 +**Status:** Reference Document (Implementation Pending) +**Purpose:** Complete authentication and authorization implementation guide for NeroSpatial Backend + +--- + +## Overview + +This document outlines the complete authentication and authorization strategy for NeroSpatial Backend, including OAuth2 flows, JWT token management, WebSocket authentication, and authorization policies. + +--- + +## Database Schema Design + +### Entity Relationship Diagram + +```mermaid +erDiagram + users ||--o{ refresh_tokens : "has" + users ||--o{ token_blacklist : "has" + users ||--o{ user_sessions : "has" + users ||--o{ audit_logs : "generates" + + users { + uuid user_id PK + varchar email UK + varchar name + varchar oauth_provider + varchar oauth_sub + varchar status + timestamp created_at + timestamp updated_at + timestamp last_login + timestamp deleted_at + varchar picture_url + varchar locale + jsonb metadata + varchar schema_version + } + + refresh_tokens { + uuid token_id PK + uuid user_id FK + varchar token_hash + timestamp expires_at + timestamp created_at + timestamp rotated_at + uuid previous_token_id FK + varchar ip_address + varchar user_agent + } + + token_blacklist { + varchar token_id PK + uuid user_id FK + timestamp revoked_at + timestamp expires_at + varchar reason + varchar ip_address + } + + user_sessions { + uuid session_id PK + uuid user_id FK + varchar mode + timestamp created_at + timestamp last_activity + jsonb metadata + } + + audit_logs { + uuid log_id PK + uuid user_id FK + varchar action + jsonb details + varchar ip_address + timestamp created_at + } +``` + +### PostgreSQL Schema + +```sql +-- Enum types +CREATE TYPE user_status AS ENUM ( + 'active', + 'pending_verification', + 'suspended', + 'blacklisted', + 'locked' +); + +CREATE TYPE oauth_provider AS ENUM ( + 'google', + 'github', + 'microsoft' +); + +CREATE TYPE audit_action AS ENUM ( + 'login', + 'logout', + 'token_refresh', + 'password_change', + 'profile_update', + 'account_delete' +); + +-- Users table +CREATE TABLE users ( + user_id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + email VARCHAR(255) UNIQUE NOT NULL, + name VARCHAR(255), + oauth_provider oauth_provider NOT NULL DEFAULT 'google', + oauth_sub VARCHAR(255), -- OAuth provider subject ID + status user_status NOT NULL DEFAULT 'active', + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + last_login TIMESTAMPTZ, + deleted_at TIMESTAMPTZ, + picture_url VARCHAR(500), + locale VARCHAR(10) DEFAULT 'en', + metadata JSONB DEFAULT '{}', + schema_version VARCHAR(10) NOT NULL DEFAULT '1.0', + + CONSTRAINT email_format CHECK (email ~* '^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$') +); + +-- Refresh tokens table +CREATE TABLE refresh_tokens ( + token_id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + user_id UUID NOT NULL REFERENCES users(user_id) ON DELETE CASCADE, + token_hash VARCHAR(64) NOT NULL, -- SHA-256 hash + expires_at TIMESTAMPTZ NOT NULL, + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + rotated_at TIMESTAMPTZ, + previous_token_id UUID REFERENCES refresh_tokens(token_id), + ip_address INET, + user_agent VARCHAR(500) +); + +-- Token blacklist table +CREATE TABLE token_blacklist ( + token_id VARCHAR(255) PRIMARY KEY, -- JWT jti + user_id UUID NOT NULL REFERENCES users(user_id) ON DELETE CASCADE, + revoked_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + expires_at TIMESTAMPTZ NOT NULL, + reason VARCHAR(50), -- 'logout', 'refresh', 'security', 'admin' + ip_address INET +); + +-- Audit logs table +CREATE TABLE audit_logs ( + log_id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + user_id UUID REFERENCES users(user_id) ON DELETE SET NULL, + action audit_action NOT NULL, + details JSONB DEFAULT '{}', + ip_address INET, + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW() +); + +-- Indexes +CREATE INDEX idx_users_email ON users(email); +CREATE INDEX idx_users_status ON users(status) WHERE deleted_at IS NULL; +CREATE INDEX idx_users_oauth ON users(oauth_provider, oauth_sub); +CREATE INDEX idx_refresh_tokens_user ON refresh_tokens(user_id); +CREATE INDEX idx_refresh_tokens_hash ON refresh_tokens(token_hash); +CREATE INDEX idx_refresh_tokens_expires ON refresh_tokens(expires_at); +CREATE INDEX idx_token_blacklist_user ON token_blacklist(user_id); +CREATE INDEX idx_token_blacklist_expires ON token_blacklist(expires_at); +CREATE INDEX idx_audit_logs_user ON audit_logs(user_id); +CREATE INDEX idx_audit_logs_created ON audit_logs(created_at DESC); + +-- Auto-update trigger +CREATE OR REPLACE FUNCTION update_updated_at() +RETURNS TRIGGER AS $$ +BEGIN + NEW.updated_at = NOW(); + RETURN NEW; +END; +$$ LANGUAGE plpgsql; + +CREATE TRIGGER users_updated_at + BEFORE UPDATE ON users + FOR EACH ROW EXECUTE FUNCTION update_updated_at(); + +-- Cleanup function (run via pg_cron) +CREATE OR REPLACE FUNCTION cleanup_expired_tokens() +RETURNS void AS $$ +BEGIN + DELETE FROM refresh_tokens WHERE expires_at < NOW(); + DELETE FROM token_blacklist WHERE expires_at < NOW(); +END; +$$ LANGUAGE plpgsql; +``` + +### Redis Schema + +``` +# User context cache (5 min TTL) +user:context:{user_id} -> JSON(UserContext) + +# Token blacklist for fast lookup (TTL = token expiration) +blacklist:{jti} -> "1" + +# Active sessions per user +user:{user_id}:sessions -> SET[session_id, ...] + +# Rate limiting (sliding window) +ratelimit:{user_id}:{endpoint}:{window} -> count + +# Login attempts (for lockout) +login:attempts:{email} -> count (TTL: 15 min) +``` + +--- + +## Authentication Flows + +### 1. OAuth2 Login Flow + +```mermaid +sequenceDiagram + participant C as Client + participant API as NeroSpatial API + participant OAuth as Google OAuth + participant DB as PostgreSQL + participant Redis + + C->>API: GET /auth/login?provider=google + API->>API: Generate state + PKCE verifier + API->>Redis: Store state (5 min TTL) + API->>C: Redirect to Google consent + + C->>OAuth: User authorizes + OAuth->>API: Callback with code + state + + API->>Redis: Verify state + API->>OAuth: Exchange code for tokens + OAuth->>API: Return tokens + id_token + + API->>API: Validate id_token + API->>DB: Find or create user + + alt New User + API->>DB: INSERT user + API->>API: Set status = pending_verification + else Existing User + API->>DB: UPDATE last_login + end + + API->>API: Generate JWT (15 min) + API->>API: Generate refresh token (7 days) + API->>DB: Store refresh token hash + API->>Redis: Cache UserContext + API->>DB: INSERT audit_log (login) + + API->>C: Return tokens + user info +``` + +### 2. WebSocket Authentication Flow + +```mermaid +sequenceDiagram + participant C as Client + participant WS as WebSocket Gateway + participant Auth as Auth Module + participant Redis + participant DB as PostgreSQL + + C->>WS: Connect wss://.../ws?token={jwt} + WS->>Auth: validate_token(jwt) + + Auth->>Auth: Decode JWT + Auth->>Auth: Verify signature (RS256) + Auth->>Auth: Check expiration + + alt Token Invalid + Auth->>WS: AuthenticationError + WS->>C: Close(4001) + else Token Valid + Auth->>Redis: GET blacklist:{jti} + alt Blacklisted + Auth->>WS: AuthenticationError + WS->>C: Close(4001) + else Not Blacklisted + Auth->>Redis: GET user:context:{user_id} + alt Cache Miss + Auth->>DB: Get user + Auth->>Auth: Build UserContext + Auth->>Redis: SET user:context:{user_id} + end + Auth->>Auth: Check user status + alt Status != ACTIVE + Auth->>WS: AuthorizationError + WS->>C: Close(4003) + else Active + Auth->>WS: Return UserContext + WS->>WS: Create session + WS->>C: ACK(session_id) + end + end + end +``` + +### 3. Token Refresh Flow + +```mermaid +sequenceDiagram + participant C as Client + participant API as NeroSpatial API + participant DB as PostgreSQL + participant Redis + + C->>API: POST /auth/refresh + Note over C,API: Body: refresh_token + + API->>API: Hash refresh token + API->>DB: Find token by hash + + alt Not Found or Expired + API->>C: 401 Unauthorized + else Found + API->>DB: Get user + alt User Suspended + API->>C: 403 Forbidden + else User Active + API->>API: Generate new JWT + API->>API: Generate new refresh token + + API->>DB: Mark old token rotated + API->>DB: Insert new refresh token + API->>Redis: Blacklist old JWT jti + API->>Redis: Invalidate user context cache + API->>DB: INSERT audit_log + + API->>C: Return new tokens + end + end +``` + +### 4. Logout Flow + +```mermaid +sequenceDiagram + participant C as Client + participant API as NeroSpatial API + participant DB as PostgreSQL + participant Redis + + C->>API: POST /auth/logout + Note over C,API: Headers: Authorization: Bearer {jwt} + + API->>API: Extract jti from JWT + API->>Redis: SET blacklist:{jti} (TTL = token expiry) + API->>DB: DELETE refresh_tokens WHERE user_id = ? + API->>Redis: DEL user:context:{user_id} + API->>DB: INSERT audit_log (logout) + + API->>C: 200 OK +``` + +--- + +## Authorization Strategy + +### User Status State Machine + +```mermaid +stateDiagram-v2 + [*] --> PendingVerification: New OAuth user + PendingVerification --> Active: Email verified + Active --> Locked: Rate limit exceeded + Locked --> Active: Lockout expires (15 min) + Active --> Suspended: Admin action + Suspended --> Active: Admin action + Active --> Blacklisted: Security violation + Blacklisted --> [*]: Permanent ban + + note right of Active: Full access to all features + note right of PendingVerification: Limited access, no WebSocket + note right of Locked: Temporary block, auto-expires + note right of Suspended: Manual admin intervention required + note right of Blacklisted: Permanent, no recovery +``` + +### Access Control Matrix + +| Status | WebSocket | HTTP API | Profile Read | Profile Write | Admin | +|--------|-----------|----------|--------------|---------------|-------| +| ACTIVE | ✅ | ✅ | ✅ | ✅ | ❌ | +| PENDING_VERIFICATION | ❌ | ✅ (limited) | ✅ | ✅ | ❌ | +| LOCKED | ❌ | ❌ | ✅ | ❌ | ❌ | +| SUSPENDED | ❌ | ❌ | ❌ | ❌ | ❌ | +| BLACKLISTED | ❌ | ❌ | ❌ | ❌ | ❌ | + +### Rate Limiting + +**Per-User Limits:** +| Resource | Limit | Window | Action on Exceed | +|----------|-------|--------|------------------| +| HTTP API | 100 requests | 1 minute | 429 Too Many Requests | +| WebSocket connections | 3 concurrent | - | Reject new connections | +| LLM queries | 50 queries | 1 hour | Queue or reject | +| Login attempts | 5 attempts | 15 minutes | Account LOCKED | + +**Implementation:** +- Redis-based distributed rate limiting +- Sliding window algorithm +- Per-endpoint and per-user limits +- Exponential backoff on repeated violations + +### Future: Role-Based Access Control (RBAC) + +```python +class Role(str, Enum): + USER = "user" # Standard user + PREMIUM = "premium" # Premium subscription + ADMIN = "admin" # System administrator + +class Permission(str, Enum): + WEBSOCKET_CONNECT = "websocket:connect" + LLM_QUERY = "llm:query" + VISION_ENABLE = "vision:enable" + PASSIVE_MODE = "passive:enable" + ADMIN_USERS = "admin:users" + ADMIN_SYSTEM = "admin:system" + +ROLE_PERMISSIONS = { + Role.USER: [ + Permission.WEBSOCKET_CONNECT, + Permission.LLM_QUERY, + ], + Role.PREMIUM: [ + Permission.WEBSOCKET_CONNECT, + Permission.LLM_QUERY, + Permission.VISION_ENABLE, + Permission.PASSIVE_MODE, + ], + Role.ADMIN: list(Permission), # All permissions +} +``` + +--- + +## Implementation Components + +### 1. core/auth.py - JWT Authentication + +```python +class JWTAuth: + """JWT authentication service""" + + def __init__( + self, + private_key: str, # RS256 private key for signing + public_key: str, # RS256 public key for verification + access_token_ttl: int = 900, # 15 minutes + refresh_token_ttl: int = 604800, # 7 days + redis_client: RedisClient, + db_client: PostgresClient, + ): + pass + + async def validate_token(self, token: str) -> dict[str, Any]: + """ + Validate JWT and return claims. + + Raises: + AuthenticationError: If token is invalid or expired + """ + pass + + async def extract_user_context(self, token: str) -> UserContext: + """ + Extract UserContext from JWT with Redis caching. + + Flow: + 1. Validate token + 2. Check blacklist + 3. Check Redis cache + 4. If cache miss, query DB and cache + """ + pass + + async def generate_tokens( + self, + user: User, + ip_address: str | None = None, + user_agent: str | None = None, + ) -> tuple[str, str]: + """ + Generate access token and refresh token. + + Returns: + Tuple of (access_token, refresh_token) + """ + pass + + async def refresh_tokens( + self, + refresh_token: str, + ip_address: str | None = None, + ) -> tuple[str, str]: + """ + Refresh tokens with rotation. + + Flow: + 1. Validate refresh token + 2. Check user status + 3. Generate new tokens + 4. Mark old token as rotated + 5. Blacklist old access token jti + """ + pass + + async def blacklist_token( + self, + jti: str, + user_id: UUID, + reason: TokenRevocationReason, + expires_at: datetime, + ip_address: str | None = None, + ) -> None: + """Add token to blacklist (Redis + PostgreSQL)""" + pass + + async def is_blacklisted(self, jti: str) -> bool: + """Check if token is blacklisted (Redis fast lookup)""" + pass + + async def logout(self, token: str, ip_address: str | None = None) -> None: + """ + Logout user. + + Flow: + 1. Extract jti from token + 2. Blacklist token + 3. Delete all refresh tokens for user + 4. Invalidate user context cache + 5. Log audit event + """ + pass +``` + +### 2. api/auth_routes.py - OAuth Endpoints + +```python +from fastapi import APIRouter, Request, Response, HTTPException, Depends +from fastapi.responses import RedirectResponse + +router = APIRouter(prefix="/auth", tags=["Authentication"]) + +@router.get("/login") +async def login( + provider: OAuthProvider = Query(...), + redirect_uri: str | None = Query(None), +): + """ + Initiate OAuth login flow. + + Query Parameters: + provider: OAuth provider (google, github, microsoft) + redirect_uri: Optional redirect URI after login + + Returns: + Redirect to OAuth provider consent page + """ + pass + +@router.get("/callback") +async def callback( + code: str = Query(...), + state: str = Query(...), +): + """ + OAuth callback handler. + + Query Parameters: + code: Authorization code from OAuth provider + state: State parameter for CSRF protection + + Returns: + JSON with access_token, refresh_token, user info + """ + pass + +@router.post("/refresh") +async def refresh( + request: Request, + body: RefreshTokenRequest, +): + """ + Refresh access token. + + Body: + refresh_token: Current refresh token + + Returns: + JSON with new access_token, refresh_token + """ + pass + +@router.post("/logout") +async def logout( + request: Request, + user: UserContext = Depends(get_current_user), +): + """ + Logout user. + + Requires: + Authorization: Bearer {access_token} + + Returns: + 200 OK + """ + pass + +@router.get("/me") +async def get_current_user_info( + user: UserContext = Depends(get_current_user), +): + """ + Get current user info. + + Requires: + Authorization: Bearer {access_token} + + Returns: + JSON with user profile + """ + pass +``` + +### 3. core/middleware.py - Auth Middleware + +```python +from fastapi import Request, HTTPException +from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials + +security = HTTPBearer() + +async def get_current_user( + credentials: HTTPAuthorizationCredentials = Depends(security), + auth: JWTAuth = Depends(get_auth), +) -> UserContext: + """ + Dependency to get current authenticated user. + + Raises: + HTTPException 401: If token is invalid + HTTPException 403: If user is not active + """ + pass + +def require_status(*statuses: UserStatus): + """ + Dependency factory to require specific user status. + + Usage: + @router.get("/protected") + async def protected(user: UserContext = Depends(require_status(UserStatus.ACTIVE))): + pass + """ + pass + +def require_permission(permission: Permission): + """ + Dependency factory to require specific permission (future RBAC). + """ + pass +``` + +### 4. core/rate_limiter.py - Rate Limiting + +```python +class RateLimiter: + """Redis-based distributed rate limiter using sliding window""" + + def __init__(self, redis_client: RedisClient): + pass + + async def check_limit( + self, + key: str, + limit: int, + window_seconds: int, + ) -> tuple[bool, int]: + """ + Check if request is within limits. + + Returns: + Tuple of (allowed: bool, remaining: int) + """ + pass + + async def record_request(self, key: str, window_seconds: int) -> None: + """Record a request for rate limiting""" + pass + + async def get_remaining(self, key: str, limit: int, window_seconds: int) -> int: + """Get remaining requests in current window""" + pass + + +# Middleware +async def rate_limit_middleware( + request: Request, + call_next, + limit: int = 100, + window: int = 60, +): + """Rate limiting middleware for HTTP requests""" + pass +``` + +--- + +## Security Considerations + +### 1. Token Security + +| Aspect | Implementation | +|--------|----------------| +| Algorithm | RS256 (asymmetric) | +| Access Token TTL | 15 minutes | +| Refresh Token TTL | 7 days | +| Refresh Token Storage | SHA-256 hash in PostgreSQL | +| Token Rotation | On every refresh | +| Blacklist | Redis (fast) + PostgreSQL (persistent) | + +### 2. OAuth Security + +- **State Parameter**: Random UUID stored in Redis (5 min TTL) +- **PKCE**: Required for mobile/SPA clients +- **Token Validation**: Verify id_token signature and claims +- **Nonce**: Included in authorization request + +### 3. Password Security (Future) + +If adding email/password authentication: +- Bcrypt hashing (cost factor 12) +- Minimum 8 characters, require complexity +- Account lockout after 5 failed attempts +- Password reset via email with time-limited token + +### 4. Database Security + +- Encrypted connections (SSL/TLS required) +- Parameterized queries (prevent SQL injection) +- Least privilege database user +- Sensitive fields encrypted at rest + +### 5. Transport Security + +- HTTPS only (HSTS header) +- Secure cookies (HttpOnly, Secure, SameSite=Strict) +- CORS with explicit origins +- Content Security Policy headers + +--- + +## GDPR Compliance + +### 1. Data Retention + +| Data Type | Retention Period | Cleanup Method | +|-----------|------------------|----------------| +| User Profile | Until deletion request | Soft delete → Hard delete after 30 days | +| Access Tokens | 15 minutes | Auto-expire | +| Refresh Tokens | 7 days | Auto-expire + cleanup function | +| Token Blacklist | Until original token expiry | Cleanup function | +| Audit Logs | 90 days | Scheduled cleanup | + +### 2. Right to Access + +``` +GET /api/user/export + +Returns: +- User profile data +- OAuth provider info +- Active sessions +- Recent audit logs +- Interaction history (from other modules) +``` + +### 3. Right to Deletion + +``` +DELETE /api/user/account + +Flow: +1. Set deleted_at = NOW() +2. Revoke all tokens +3. Delete all sessions +4. Anonymize audit logs +5. After 30 days: Hard delete user and cascade +``` + +### 4. Right to Rectification + +``` +PATCH /api/user/profile + +Allowed updates: +- name +- locale +- picture_url +- metadata + +Audit log created for each update. +``` + +--- + +## Monitoring & Observability + +### Metrics (Prometheus) + +``` +# Authentication metrics +auth_login_total{provider, status} +auth_logout_total{status} +auth_token_validation_total{status} +auth_token_refresh_total{status} +auth_blacklist_total{reason} + +# Rate limiting metrics +auth_rate_limit_exceeded_total{endpoint, user_id} +auth_account_locked_total{reason} + +# Performance metrics +auth_token_validation_duration_seconds +auth_user_context_cache_hit_total +auth_user_context_cache_miss_total +``` + +### Logs (Structured JSON) + +```json +{ + "timestamp": "2024-01-15T10:30:00Z", + "level": "INFO", + "service": "auth", + "trace_id": "abc-123", + "event": "login_success", + "user_id": "uuid", + "provider": "google", + "ip_address": "1.2.3.4" +} +``` + +### Alerts + +| Alert | Condition | Severity | +|-------|-----------|----------| +| High Login Failures | > 100 failures in 5 min | Warning | +| Token Validation Errors | > 5% error rate | Critical | +| Rate Limit Exceeded | > 50 users locked in 1 hour | Warning | +| Suspicious Activity | Same user from multiple IPs | Warning | + +--- + +## Testing Strategy + +### Unit Tests + +- JWT validation (valid, invalid, expired) +- Token generation and parsing +- Blacklist operations +- Rate limiter logic +- User status transitions + +### Integration Tests + +- OAuth flow end-to-end (mock OAuth provider) +- Token refresh with rotation +- WebSocket authentication +- Rate limiting behavior +- Cache invalidation + +### Security Tests + +- SQL injection attempts +- Token manipulation +- Replay attacks +- Brute force protection + +--- + +## Implementation Phases + +### Phase 1: Core Auth (Current Focus) +- Finalize user models +- Implement JWTAuth class +- Implement token validation +- Add blacklist support + +### Phase 2: OAuth Integration +- Google OAuth provider +- Login/callback endpoints +- Token generation + +### Phase 3: Token Management +- Refresh token rotation +- Logout functionality +- Rate limiting + +### Phase 4: Security Hardening +- Audit logging +- Monitoring metrics +- Security headers +- GDPR endpoints + +--- + +## Dependencies + +```toml +# pyproject.toml additions +[project.dependencies] +pyjwt = ">=2.8.0" +cryptography = ">=41.0.0" # For RS256 +httpx = ">=0.27.0" # For OAuth HTTP calls +``` + +--- + +## References + +- [RFC 6749 - OAuth 2.0](https://tools.ietf.org/html/rfc6749) +- [RFC 7519 - JSON Web Token](https://tools.ietf.org/html/rfc7519) +- [RFC 7636 - PKCE](https://tools.ietf.org/html/rfc7636) +- [OWASP Authentication Cheat Sheet](https://cheatsheetseries.owasp.org/cheatsheets/Authentication_Cheat_Sheet.html) From 5e17cb722e603adda4e677ce05c362d9943db9b9 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Sun, 14 Dec 2025 16:49:04 +0530 Subject: [PATCH 03/21] fix session models --- .cursor/rules/instructions.mdc | 5 - .gitignore | 2 + core/models/session.py | 75 +++++++++- tests/test_models.py | 262 ++++++++++++++++++++++++++++++++- 4 files changed, 336 insertions(+), 8 deletions(-) delete mode 100644 .cursor/rules/instructions.mdc diff --git a/.cursor/rules/instructions.mdc b/.cursor/rules/instructions.mdc deleted file mode 100644 index a22121b..0000000 --- a/.cursor/rules/instructions.mdc +++ /dev/null @@ -1,5 +0,0 @@ ---- -alwaysApply: true ---- - -# Do not create .md file for all the jobs. If MD or docs will be needed user will specify clearly in the prompt. Until then do not create docs or .md files. diff --git a/.gitignore b/.gitignore index 6b7176e..e9be4c6 100644 --- a/.gitignore +++ b/.gitignore @@ -47,3 +47,5 @@ Thumbs.db # UV .uv/ +.cursor/ +*.mdc* diff --git a/core/models/session.py b/core/models/session.py index 87b1519..0b00e39 100644 --- a/core/models/session.py +++ b/core/models/session.py @@ -6,12 +6,12 @@ Schema Version: 1.0 """ -from datetime import datetime +from datetime import UTC, datetime from enum import Enum from typing import Any from uuid import UUID -from pydantic import BaseModel, ConfigDict, Field +from pydantic import BaseModel, ConfigDict, Field, field_validator # ============================================================================ # Enums @@ -45,15 +45,86 @@ class SessionState(BaseModel): voice_id: Selected voice for TTS (if any) enable_vision: Whether vision processing is enabled preferences: User preferences for this session + metadata: Extensible JSON field for future additions + schema_version: Model schema version for migrations + device_info: Optional device/client information + ip_address: Optional IP address for security tracking + user_agent: Optional user agent string for tracking """ + # Primary fields session_id: UUID user_id: UUID mode: SessionMode + + # Timestamps (UTC) created_at: datetime last_activity: datetime + + # Configuration voice_id: str | None = None enable_vision: bool = False + + # Extensibility preferences: dict[str, Any] = Field(default_factory=dict) + metadata: dict[str, Any] = Field(default_factory=dict) + schema_version: str = "1.0" + + # Optional tracking + device_info: dict[str, Any] | None = None + ip_address: str | None = None + user_agent: str | None = None model_config = ConfigDict(frozen=True) + + @field_validator("created_at", "last_activity", mode="before") + @classmethod + def ensure_utc(cls, v: datetime) -> datetime: + """Ensure timestamps are timezone-aware (UTC).""" + if v.tzinfo is None: + return v.replace(tzinfo=UTC) + return v + + def is_active(self, ttl_seconds: int = 3600) -> bool: + """Check if session is still active (not expired).""" + return not self.is_expired(ttl_seconds) + + def is_expired(self, ttl_seconds: int = 3600) -> bool: + """Check if session has expired based on TTL.""" + elapsed = (datetime.now(UTC) - self.last_activity).total_seconds() + return elapsed > ttl_seconds + + def update_activity(self) -> "SessionState": + """ + Return new SessionState with updated last_activity. + + Returns a new SessionState instance (immutable pattern). + """ + return SessionState(**{**self.model_dump(), "last_activity": datetime.now(UTC)}) + + def calculate_ttl_remaining(self, ttl_seconds: int = 3600) -> int: + """ + Calculate remaining TTL in seconds. + + Args: + ttl_seconds: Total TTL in seconds (default 3600 = 1 hour) + + Returns: + Remaining TTL in seconds (0 if expired) + """ + elapsed = (datetime.now(UTC) - self.last_activity).total_seconds() + remaining = ttl_seconds - elapsed + return max(0, int(remaining)) + + def should_extend_ttl(self, activity_threshold_seconds: int = 300) -> bool: + """ + Check if TTL should be extended (activity within threshold). + + Args: + activity_threshold_seconds: Threshold in seconds (default 300 = 5 min) + + Returns: + True if activity is recent enough to warrant TTL extension + """ + elapsed = (datetime.now(UTC) - self.last_activity).total_seconds() + return elapsed < activity_threshold_seconds diff --git a/tests/test_models.py b/tests/test_models.py index 6128843..8364e06 100644 --- a/tests/test_models.py +++ b/tests/test_models.py @@ -117,7 +117,7 @@ def test_session_state_immutability(): def test_session_state_json_serialization(): - """Test SessionState JSON serialization""" + """Test SessionState JSON serialization.""" session_id = uuid4() user_id = uuid4() now = datetime.now(UTC) @@ -136,6 +136,266 @@ def test_session_state_json_serialization(): assert str(user_id) in json_data +def test_session_state_with_all_fields(): + """Test SessionState creation with all optional fields.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now, + last_activity=now, + voice_id="voice-123", + enable_vision=True, + preferences={"theme": "dark", "language": "en"}, + metadata={"source": "web", "version": "1.0"}, + device_info={"type": "desktop", "os": "linux"}, + ip_address="192.168.1.1", + user_agent="Mozilla/5.0", + ) + + assert session.voice_id == "voice-123" + assert session.enable_vision is True + assert session.preferences["theme"] == "dark" + assert session.metadata["source"] == "web" + assert session.device_info["type"] == "desktop" + assert session.ip_address == "192.168.1.1" + assert session.user_agent == "Mozilla/5.0" + assert session.schema_version == "1.0" + + +def test_session_state_timezone_validation(): + """Test SessionState timezone validation (naive → UTC).""" + session_id = uuid4() + user_id = uuid4() + naive_now = datetime.now() # Naive datetime + + session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=naive_now, + last_activity=naive_now, + ) + + # Should be converted to UTC + assert session.created_at.tzinfo is not None + assert session.last_activity.tzinfo is not None + assert session.created_at.tzinfo == UTC + assert session.last_activity.tzinfo == UTC + + +def test_session_state_is_active(): + """Test SessionState.is_active() method.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Active session (recent activity) + active_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now, + last_activity=now, + ) + assert active_session.is_active(ttl_seconds=3600) is True + + # Expired session (old activity) + expired_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(hours=2), + last_activity=now - timedelta(hours=2), + ) + assert expired_session.is_active(ttl_seconds=3600) is False + + +def test_session_state_is_expired(): + """Test SessionState.is_expired() method.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Not expired + valid_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now, + last_activity=now, + ) + assert valid_session.is_expired(ttl_seconds=3600) is False + + # Expired + expired_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(hours=2), + last_activity=now - timedelta(hours=2), + ) + assert expired_session.is_expired(ttl_seconds=3600) is True + + # Custom TTL + custom_ttl_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(minutes=10), + last_activity=now - timedelta(minutes=10), + ) + assert custom_ttl_session.is_expired(ttl_seconds=300) is True # 5 min TTL + assert custom_ttl_session.is_expired(ttl_seconds=3600) is False # 1 hour TTL + + +def test_session_state_update_activity(): + """Test SessionState.update_activity() method.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + session1 = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now, + last_activity=now, + ) + + # Wait a bit and update activity + import time + + time.sleep(0.1) + session2 = session1.update_activity() + + # Should be new instance + assert session1 is not session2 + # Original should be unchanged + assert session1.last_activity == now + # New instance should have updated timestamp + assert session2.last_activity > session1.last_activity + # Other fields should be the same + assert session2.session_id == session1.session_id + assert session2.user_id == session1.user_id + assert session2.mode == session1.mode + + +def test_session_state_calculate_ttl_remaining(): + """Test SessionState.calculate_ttl_remaining() method.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Recent activity + recent_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(minutes=10), + last_activity=now - timedelta(minutes=5), + ) + remaining = recent_session.calculate_ttl_remaining(ttl_seconds=3600) + # Should be around 55 minutes (3300 seconds), allow small variance + assert 3290 <= remaining <= 3600 + + # Expired session + expired_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(hours=2), + last_activity=now - timedelta(hours=2), + ) + remaining = expired_session.calculate_ttl_remaining(ttl_seconds=3600) + assert remaining == 0 + + # Custom TTL + custom_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(minutes=10), + last_activity=now - timedelta(minutes=2), + ) + remaining = custom_session.calculate_ttl_remaining(ttl_seconds=300) # 5 min TTL + assert 0 < remaining < 300 # Should be around 3 minutes + + +def test_session_state_should_extend_ttl(): + """Test SessionState.should_extend_ttl() method.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Recent activity (should extend) + recent_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(minutes=10), + last_activity=now - timedelta(minutes=2), + ) + assert recent_session.should_extend_ttl(activity_threshold_seconds=300) is True + + # Old activity (should not extend) + old_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(minutes=10), + last_activity=now - timedelta(minutes=10), + ) + assert old_session.should_extend_ttl(activity_threshold_seconds=300) is False + + # Custom threshold + custom_session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now - timedelta(minutes=10), + last_activity=now - timedelta(minutes=1), + ) + assert custom_session.should_extend_ttl(activity_threshold_seconds=60) is False + assert custom_session.should_extend_ttl(activity_threshold_seconds=120) is True + + +def test_session_state_default_values(): + """Test SessionState default values.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now, + last_activity=now, + ) + + assert session.voice_id is None + assert session.enable_vision is False + assert session.preferences == {} + assert session.metadata == {} + assert session.schema_version == "1.0" + assert session.device_info is None + assert session.ip_address is None + assert session.user_agent is None + + +def test_session_mode_enum_values(): + """Test SessionMode enum values.""" + assert SessionMode.ACTIVE == "active" + assert SessionMode.PASSIVE == "passive" + assert SessionMode.ACTIVE.value == "active" + assert SessionMode.PASSIVE.value == "passive" + + # ============================================================================ # User Model Tests # ============================================================================ From ee816ae65088f93b6a9a1f7a8417ee36feca684f Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Sun, 14 Dec 2025 18:24:32 +0530 Subject: [PATCH 04/21] fix interaction and protocol models --- core/models/interaction.py | 221 ++++++- core/models/protocol.py | 261 +++++++- tests/test_models.py | 1249 ++++++++++++++++++++++++++++++++++-- 3 files changed, 1665 insertions(+), 66 deletions(-) diff --git a/core/models/interaction.py b/core/models/interaction.py index fefda72..46752de 100644 --- a/core/models/interaction.py +++ b/core/models/interaction.py @@ -7,10 +7,11 @@ Schema Version: 1.0 """ -from datetime import datetime +from datetime import UTC, datetime +from typing import Any from uuid import UUID -from pydantic import BaseModel, ConfigDict, Field +from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator # ============================================================================ # Models @@ -26,28 +27,105 @@ class InteractionTurn(BaseModel): Attributes: turn_id: Unique identifier for this turn + user_id: User who owns this interaction session_id: Session where this interaction occurred - timestamp: When the interaction started (UTC) - transcript: User's transcribed speech + timestamp: When the interaction started (UTC, timezone-aware) + transcript: User's transcribed speech (non-empty) scene_description: VLM description of visual context (if any) - llm_response: AI's response text - model_used: LLM provider/model used - latency_ms: Total response latency in milliseconds - tokens_used: Number of tokens consumed (if tracked) + llm_response: AI's response text (non-empty) + model_used: LLM provider/model used (e.g., "groq", "gemini", "ollama") + latency_ms: Total response latency in milliseconds (>= 0) + tokens_used: Number of tokens consumed (if tracked, >= 0) + metadata: Extensible JSON field for future additions + schema_version: Model schema version for migrations """ + # Primary fields turn_id: UUID + user_id: UUID # CRITICAL: Required for Cassandra partition key session_id: UUID timestamp: datetime + + # Content fields transcript: str scene_description: str | None = None llm_response: str model_used: str # "groq", "gemini", "ollama" + + # Metrics latency_ms: int tokens_used: int | None = None + # Extensibility + metadata: dict[str, Any] = Field(default_factory=dict) + schema_version: str = "1.0" + model_config = ConfigDict(frozen=True) + @field_validator("timestamp", mode="before") + @classmethod + def ensure_utc(cls, v: datetime) -> datetime: + """Ensure timestamps are timezone-aware (UTC).""" + if v.tzinfo is None: + return v.replace(tzinfo=UTC) + return v + + @field_validator("transcript", "llm_response", mode="before") + @classmethod + def validate_non_empty_string(cls, v: str) -> str: + """Validate that string fields are non-empty.""" + if not v or not v.strip(): + raise ValueError("String field cannot be empty") + return v.strip() + + @field_validator("latency_ms", mode="before") + @classmethod + def validate_latency(cls, v: int) -> int: + """Validate latency is non-negative.""" + if v < 0: + raise ValueError("latency_ms must be >= 0") + return v + + @field_validator("tokens_used", mode="before") + @classmethod + def validate_tokens(cls, v: int | None) -> int | None: + """Validate tokens_used is non-negative if provided.""" + if v is not None and v < 0: + raise ValueError("tokens_used must be >= 0 if provided") + return v + + def is_recent(self, threshold_seconds: int = 300) -> bool: + """ + Check if turn is recent (within threshold). + + Args: + threshold_seconds: Threshold in seconds (default 300 = 5 min) + + Returns: + True if turn occurred within threshold + """ + age = self.calculate_age_seconds() + return age < threshold_seconds + + def calculate_age_seconds(self) -> int: + """ + Calculate age of turn in seconds. + + Returns: + Age in seconds (0 if timestamp is in the future) + """ + elapsed = (datetime.now(UTC) - self.timestamp).total_seconds() + return max(0, int(elapsed)) + + def get_total_tokens(self) -> int: + """ + Return total tokens consumed. + + Returns: + Number of tokens (0 if not tracked) + """ + return self.tokens_used if self.tokens_used is not None else 0 + class ConversationHistory(BaseModel): """ @@ -56,27 +134,150 @@ class ConversationHistory(BaseModel): Maintained in Redis for fast access during active sessions. Immutable - add_turn returns a new instance. + Redis Key Pattern: `history:{user_id}` + Attributes: user_id: User who owns this history turns: List of recent interaction turns (newest first) - max_turns: Maximum number of turns to retain + max_turns: Maximum number of turns to retain (must be > 0, <= 100) + metadata: Extensible JSON field for future additions + schema_version: Model schema version for migrations + last_updated: Timestamp of last update (UTC, timezone-aware) """ + # Primary fields user_id: UUID turns: list[InteractionTurn] = Field(default_factory=list) max_turns: int = 10 + # Extensibility + metadata: dict[str, Any] = Field(default_factory=dict) + schema_version: str = "1.0" + last_updated: datetime = Field(default_factory=lambda: datetime.now(UTC)) + model_config = ConfigDict(frozen=True) + @field_validator("max_turns", mode="before") + @classmethod + def validate_max_turns(cls, v: int) -> int: + """Validate max_turns is within reasonable bounds.""" + if v <= 0: + raise ValueError("max_turns must be > 0") + if v > 100: + raise ValueError("max_turns must be <= 100") + return v + + @field_validator("last_updated", mode="before") + @classmethod + def ensure_utc(cls, v: datetime) -> datetime: + """Ensure timestamps are timezone-aware (UTC).""" + if v.tzinfo is None: + return v.replace(tzinfo=UTC) + return v + + @model_validator(mode="after") + def validate_turns_user_id(self) -> "ConversationHistory": + """Validate that all turns belong to the same user_id.""" + for turn in self.turns: + if turn.user_id != self.user_id: + raise ValueError( + f"Turn {turn.turn_id} belongs to user {turn.user_id}, " + f"but history belongs to user {self.user_id}" + ) + return self + def add_turn(self, turn: InteractionTurn) -> "ConversationHistory": """ Add turn and maintain max_turns limit. - Returns a new ConversationHistory instance (immutable pattern). + Validates that turn's user_id matches history's user_id. + + Args: + turn: InteractionTurn to add + + Returns: + New ConversationHistory instance (immutable pattern) + + Raises: + ValueError: If turn's user_id doesn't match history's user_id """ + if turn.user_id != self.user_id: + raise ValueError( + f"Cannot add turn for user {turn.user_id} to history {self.user_id}" + ) + new_turns = [turn, *self.turns] return ConversationHistory( user_id=self.user_id, turns=new_turns[: self.max_turns], max_turns=self.max_turns, + metadata=self.metadata, + schema_version=self.schema_version, + last_updated=datetime.now(UTC), ) + + def is_empty(self) -> bool: + """ + Check if history has no turns. + + Returns: + True if history is empty + """ + return len(self.turns) == 0 + + def get_oldest_turn(self) -> InteractionTurn | None: + """ + Get oldest turn (last in list, since turns are newest first). + + Returns: + Oldest InteractionTurn or None if empty + """ + return self.turns[-1] if self.turns else None + + def get_newest_turn(self) -> InteractionTurn | None: + """ + Get newest turn (first in list, since turns are newest first). + + Returns: + Newest InteractionTurn or None if empty + """ + return self.turns[0] if self.turns else None + + def get_turns_count(self) -> int: + """ + Return number of turns. + + Returns: + Number of turns (alias for len(turns)) + """ + return len(self.turns) + + def should_trim(self) -> bool: + """ + Check if history exceeds max_turns (defensive check). + + Returns: + True if history has more turns than max_turns + """ + return len(self.turns) > self.max_turns + + def get_total_tokens(self) -> int: + """ + Sum of all tokens across turns. + + Returns: + Total tokens consumed across all turns + """ + return sum(turn.get_total_tokens() for turn in self.turns) + + def get_average_latency(self) -> float | None: + """ + Average latency across turns. + + Returns: + Average latency in milliseconds, or None if empty + """ + if not self.turns: + return None + total_latency = sum(turn.latency_ms for turn in self.turns) + return total_latency / len(self.turns) diff --git a/core/models/protocol.py b/core/models/protocol.py index a513b18..275201a 100644 --- a/core/models/protocol.py +++ b/core/models/protocol.py @@ -8,9 +8,9 @@ from datetime import UTC, datetime from enum import Enum -from typing import Any +from typing import Any, ClassVar -from pydantic import BaseModel, ConfigDict, Field +from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator # ============================================================================ # Enums @@ -53,22 +53,103 @@ class ControlMessage(BaseModel): Used for session management, heartbeats, and error reporting. + Allowed Actions by Type: + - SESSION_CONTROL: "start_active_mode", "start_passive_mode", "end_session" + - ERROR: None or error-specific action + - ACK: None or ack-specific action + - HEARTBEAT: None + Attributes: type: Type of control message - action: Specific action for SESSION_CONTROL messages + action: Specific action (required for SESSION_CONTROL, optional for others) payload: Additional data as JSON - timestamp: When the message was created (UTC) + timestamp: When the message was created (UTC, timezone-aware) + metadata: Extensible JSON field for future additions + schema_version: Model schema version for migrations """ + # Primary fields type: ControlMessageType - action: str | None = ( - None # "start_active_mode", "start_passive_mode", "end_session" - ) + action: str | None = None payload: dict[str, Any] = Field(default_factory=dict) timestamp: datetime = Field(default_factory=lambda: datetime.now(UTC)) + # Extensibility + metadata: dict[str, Any] = Field(default_factory=dict) + schema_version: str = "1.0" + model_config = ConfigDict(frozen=True) + # Valid actions for SESSION_CONTROL messages + _SESSION_CONTROL_ACTIONS = { + "start_active_mode", + "start_passive_mode", + "end_session", + } + + @field_validator("timestamp", mode="before") + @classmethod + def ensure_utc(cls, v: datetime) -> datetime: + """Ensure timestamps are timezone-aware (UTC).""" + if v.tzinfo is None: + return v.replace(tzinfo=UTC) + return v + + @model_validator(mode="after") + def validate_action(self) -> "ControlMessage": + """Validate action field based on message type.""" + if self.type == ControlMessageType.SESSION_CONTROL: + if self.action is None: + raise ValueError( + "action is required for SESSION_CONTROL messages. " + "Allowed values: start_active_mode, start_passive_mode, end_session" + ) + if self.action not in self._SESSION_CONTROL_ACTIONS: + raise ValueError( + f"Invalid action '{self.action}' for SESSION_CONTROL. " + f"Allowed values: {', '.join(self._SESSION_CONTROL_ACTIONS)}" + ) + elif self.type == ControlMessageType.HEARTBEAT: + if self.action is not None: + raise ValueError("action must be None for HEARTBEAT messages") + # ERROR and ACK can have optional actions, no validation needed + + return self + + def is_session_control(self) -> bool: + """Check if message type is SESSION_CONTROL.""" + return self.type == ControlMessageType.SESSION_CONTROL + + def is_error(self) -> bool: + """Check if message type is ERROR.""" + return self.type == ControlMessageType.ERROR + + def is_heartbeat(self) -> bool: + """Check if message type is HEARTBEAT.""" + return self.type == ControlMessageType.HEARTBEAT + + def is_ack(self) -> bool: + """Check if message type is ACK.""" + return self.type == ControlMessageType.ACK + + def get_action_type(self) -> str | None: + """ + Return action type (for SESSION_CONTROL messages). + + Returns: + Action string or None + """ + return self.action + + def has_payload(self) -> bool: + """ + Check if payload is non-empty. + + Returns: + True if payload has content + """ + return len(self.payload) > 0 + class BinaryFrame(BaseModel): """ @@ -79,23 +160,128 @@ class BinaryFrame(BaseModel): Frame format: [Header: 4 bytes] [Payload: N bytes] - Byte 0: Stream Type (0x01=Audio, 0x02=Video, 0x03=Control) - - Byte 1: Flags - - Bytes 2-3: Payload Length (uint16, big-endian) + - Byte 1: Flags (bitwise OR of FrameFlags values) + - Bytes 2-3: Payload Length (uint16, big-endian, max 65535) Attributes: stream_type: Type of stream (AUDIO, VIDEO, CONTROL) - flags: Frame flags (END_OF_STREAM, PRIORITY, ERROR) + flags: Frame flags (bitwise OR of FrameFlags enum values, 0-255) payload: Raw payload bytes - length: Payload length in bytes + length: Payload length in bytes (must match payload size, max 65535) + metadata: Extensible JSON field for future additions + schema_version: Model schema version for migrations """ + # Primary fields stream_type: StreamType flags: int payload: bytes length: int + # Extensibility + metadata: dict[str, Any] = Field(default_factory=dict) + schema_version: str = "1.0" + model_config = ConfigDict(frozen=True) + # Maximum payload size (uint16 max) + MAX_PAYLOAD_SIZE: ClassVar[int] = 65535 + + @field_validator("flags", mode="before") + @classmethod + def validate_flags(cls, v: int) -> int: + """Validate flags are within valid range (0-255).""" + if not 0 <= v <= 255: + raise ValueError(f"flags must be between 0 and 255, got {v}") + return v + + @field_validator("length", mode="before") + @classmethod + def validate_length(cls, v: int) -> int: + """Validate length is within valid range (0-65535).""" + if not 0 <= v <= cls.MAX_PAYLOAD_SIZE: + raise ValueError( + f"length must be between 0 and {cls.MAX_PAYLOAD_SIZE}, got {v}" + ) + return v + + @model_validator(mode="after") + def validate_payload_integrity(self) -> "BinaryFrame": + """Validate that length matches actual payload size.""" + if len(self.payload) != self.length: + raise ValueError( + f"Payload length mismatch: length={self.length}, " + f"actual payload size={len(self.payload)}" + ) + if len(self.payload) > self.MAX_PAYLOAD_SIZE: + raise ValueError( + f"Payload size {len(self.payload)} exceeds maximum " + f"{self.MAX_PAYLOAD_SIZE} bytes" + ) + return self + + def has_flag(self, flag: FrameFlags) -> bool: + """ + Check if specific flag is set. + + Args: + flag: FrameFlags enum value to check + + Returns: + True if flag is set + """ + return bool(self.flags & flag.value) + + def is_control(self) -> bool: + """Check if stream_type is CONTROL.""" + return self.stream_type == StreamType.CONTROL + + def is_audio(self) -> bool: + """Check if stream_type is AUDIO.""" + return self.stream_type == StreamType.AUDIO + + def is_video(self) -> bool: + """Check if stream_type is VIDEO.""" + return self.stream_type == StreamType.VIDEO + + def is_end_of_stream(self) -> bool: + """Check if END_OF_STREAM flag is set.""" + return self.has_flag(FrameFlags.END_OF_STREAM) + + def is_priority(self) -> bool: + """Check if PRIORITY flag is set.""" + return self.has_flag(FrameFlags.PRIORITY) + + def has_error(self) -> bool: + """Check if ERROR flag is set.""" + return self.has_flag(FrameFlags.ERROR) + + def get_total_size(self) -> int: + """ + Return total frame size (header + payload). + + Returns: + Total size in bytes (4-byte header + payload length) + """ + return 4 + self.length + + def validate_integrity(self) -> bool: + """ + Validate that length matches payload (defensive check). + + Returns: + True if integrity is valid + + Raises: + ValueError: If integrity check fails + """ + if len(self.payload) != self.length: + raise ValueError( + f"Integrity check failed: length={self.length}, " + f"actual payload size={len(self.payload)}" + ) + return True + @classmethod def parse(cls, data: bytes) -> "BinaryFrame": """ @@ -108,28 +294,69 @@ def parse(cls, data: bytes) -> "BinaryFrame": Parsed BinaryFrame instance Raises: - ValueError: If frame is too short or payload length mismatch + ValueError: If frame is too short, length mismatch, or exceeds max size """ if len(data) < 4: - raise ValueError("Frame too short") + raise ValueError( + f"Frame too short: expected at least 4 bytes (header), got {len(data)}" + ) + + try: + stream_type = StreamType(data[0]) + except ValueError as e: + raise ValueError(f"Invalid stream type: {data[0]:#02x}") from e - stream_type = StreamType(data[0]) flags = data[1] length = int.from_bytes(data[2:4], "big") + + # Validate length before accessing payload + if length > cls.MAX_PAYLOAD_SIZE: + raise ValueError( + f"Payload length {length} exceeds maximum {cls.MAX_PAYLOAD_SIZE} bytes" + ) + + if len(data) < 4 + length: + raise ValueError( + f"Incomplete frame: expected {4 + length} bytes, got {len(data)}" + ) + payload = data[4 : 4 + length] if len(payload) != length: - raise ValueError("Payload length mismatch") - - return cls(stream_type=stream_type, flags=flags, payload=payload, length=length) + raise ValueError( + f"Payload length mismatch: header says {length}, " + f"actual payload size is {len(payload)}" + ) + + return cls( + stream_type=stream_type, + flags=flags, + payload=payload, + length=length, + ) def to_bytes(self) -> bytes: """ Serialize to binary frame format. + Validates integrity before serialization. + Returns: Raw bytes ready for WebSocket transmission + + Raises: + ValueError: If integrity validation fails """ + # Validate integrity before serialization + self.validate_integrity() + + # Ensure length matches payload + if self.length != len(self.payload): + raise ValueError( + f"Cannot serialize: length={self.length} does not match " + f"payload size={len(self.payload)}" + ) + header = bytes( [self.stream_type.value, self.flags, *self.length.to_bytes(2, "big")] ) diff --git a/tests/test_models.py b/tests/test_models.py index 8364e06..211ebe4 100644 --- a/tests/test_models.py +++ b/tests/test_models.py @@ -533,11 +533,13 @@ def test_user_blacklisted_status(): def test_interaction_turn_creation(): """Test InteractionTurn model creation""" turn_id = uuid4() + user_id = uuid4() session_id = uuid4() now = datetime.now(UTC) turn = InteractionTurn( turn_id=turn_id, + user_id=user_id, session_id=session_id, timestamp=now, transcript="Hello", @@ -547,6 +549,7 @@ def test_interaction_turn_creation(): ) assert turn.turn_id == turn_id + assert turn.user_id == user_id assert turn.session_id == session_id assert turn.transcript == "Hello" assert turn.llm_response == "Hi there!" @@ -555,28 +558,709 @@ def test_interaction_turn_creation(): assert turn.scene_description is None -def test_conversation_history_creation(): - """Test ConversationHistory model creation""" - user_id = uuid4() +def test_conversation_history_creation(): + """Test ConversationHistory model creation""" + user_id = uuid4() + + history = ConversationHistory(user_id=user_id) + + assert history.user_id == user_id + assert history.turns == [] + assert history.max_turns == 10 + + +def test_conversation_history_add_turn(): + """Test ConversationHistory.add_turn() method""" + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + history = ConversationHistory(user_id=user_id, max_turns=3) + + # Add first turn + turn1 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + history = history.add_turn(turn1) + assert len(history.turns) == 1 + + # Add second turn + turn2 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="How are you?", + llm_response="I'm good", + model_used="groq", + latency_ms=120, + ) + history = history.add_turn(turn2) + assert len(history.turns) == 2 + assert history.turns[0] == turn2 # Newest first + + # Add more turns to test max_turns limit + for i in range(5): + turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript=f"Message {i}", + llm_response=f"Response {i}", + model_used="groq", + latency_ms=100, + ) + history = history.add_turn(turn) + + # Should only have max_turns (3) turns + assert len(history.turns) == 3 + + +def test_conversation_history_immutability(): + """Test that ConversationHistory.add_turn() returns new instance""" + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + history1 = ConversationHistory(user_id=user_id) + turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + history2 = history1.add_turn(turn) + + # Original should be unchanged + assert len(history1.turns) == 0 + # New instance should have the turn + assert len(history2.turns) == 1 + assert history1 is not history2 + + +# ============================================================================ +# Enhanced InteractionTurn Tests +# ============================================================================ + + +def test_interaction_turn_user_id_required(): + """Test that user_id is required for InteractionTurn""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + turn = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + assert turn.user_id == user_id + + +def test_interaction_turn_utc_validation(): + """Test UTC validation for timestamp field""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now_naive = datetime.now() + + # Naive datetime should be converted to UTC + turn = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now_naive, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + assert turn.timestamp.tzinfo is not None + assert turn.timestamp.tzinfo == UTC + + +def test_interaction_turn_string_validation(): + """Test string validation for transcript and llm_response""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + # Empty string should raise error + with pytest.raises(ValueError, match="cannot be empty"): + InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + with pytest.raises(ValueError, match="cannot be empty"): + InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="", + model_used="groq", + latency_ms=100, + ) + + # Whitespace-only should raise error + with pytest.raises(ValueError, match="cannot be empty"): + InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript=" ", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + +def test_interaction_turn_numeric_validation(): + """Test numeric validation for latency_ms and tokens_used""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + # Negative latency should raise error + with pytest.raises(ValueError, match="latency_ms must be >= 0"): + InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=-1, + ) + + # Negative tokens_used should raise error + with pytest.raises(ValueError, match="tokens_used must be >= 0"): + InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + tokens_used=-1, + ) + + # Zero values should be valid + turn = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=0, + tokens_used=0, + ) + + assert turn.latency_ms == 0 + assert turn.tokens_used == 0 + + +def test_interaction_turn_metadata_and_schema_version(): + """Test metadata and schema_version fields""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + turn = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + metadata={"key": "value"}, + schema_version="1.1", + ) + + assert turn.metadata == {"key": "value"} + assert turn.schema_version == "1.1" + + # Default values + turn2 = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + assert turn2.metadata == {} + assert turn2.schema_version == "1.0" + + +def test_interaction_turn_is_recent(): + """Test is_recent() helper method""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + turn = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + # Should be recent (just created) + assert turn.is_recent(threshold_seconds=300) is True + + # Old turn should not be recent + old_time = datetime.now(UTC) - timedelta(seconds=400) + old_turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=old_time, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + assert old_turn.is_recent(threshold_seconds=300) is False + + +def test_interaction_turn_calculate_age_seconds(): + """Test calculate_age_seconds() helper method""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + turn = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + # Age should be very small (just created) + age = turn.calculate_age_seconds() + assert age >= 0 + assert age < 5 # Should be less than 5 seconds + + # Old turn + old_time = datetime.now(UTC) - timedelta(seconds=100) + old_turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=old_time, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + age = old_turn.calculate_age_seconds() + assert 95 <= age <= 105 # Allow some margin for execution time + + +def test_interaction_turn_get_total_tokens(): + """Test get_total_tokens() helper method""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + # With tokens_used + turn1 = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + tokens_used=150, + ) + + assert turn1.get_total_tokens() == 150 + + # Without tokens_used + turn2 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + assert turn2.get_total_tokens() == 0 + + +def test_interaction_turn_immutability(): + """Test that InteractionTurn is immutable""" + turn_id = uuid4() + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + turn = InteractionTurn( + turn_id=turn_id, + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + # Should not be able to modify fields + with pytest.raises(Exception): # Pydantic validation error + turn.transcript = "Modified" + + +# ============================================================================ +# Enhanced ConversationHistory Tests +# ============================================================================ + + +def test_conversation_history_metadata_and_schema_version(): + """Test metadata, schema_version, and last_updated fields""" + user_id = uuid4() + + history = ConversationHistory( + user_id=user_id, + metadata={"key": "value"}, + schema_version="1.1", + ) + + assert history.metadata == {"key": "value"} + assert history.schema_version == "1.1" + assert history.last_updated is not None + assert history.last_updated.tzinfo == UTC + + # Default values + history2 = ConversationHistory(user_id=user_id) + + assert history2.metadata == {} + assert history2.schema_version == "1.0" + assert history2.last_updated is not None + + +def test_conversation_history_max_turns_validation(): + """Test max_turns validation""" + user_id = uuid4() + + # Zero should raise error + with pytest.raises(ValueError, match="max_turns must be > 0"): + ConversationHistory(user_id=user_id, max_turns=0) + + # Negative should raise error + with pytest.raises(ValueError, match="max_turns must be > 0"): + ConversationHistory(user_id=user_id, max_turns=-1) + + # Over 100 should raise error + with pytest.raises(ValueError, match="max_turns must be <= 100"): + ConversationHistory(user_id=user_id, max_turns=101) + + # Valid values + history1 = ConversationHistory(user_id=user_id, max_turns=1) + assert history1.max_turns == 1 + + history2 = ConversationHistory(user_id=user_id, max_turns=100) + assert history2.max_turns == 100 + + +def test_conversation_history_user_id_validation(): + """Test that add_turn validates user_id match""" + user_id1 = uuid4() + user_id2 = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + history = ConversationHistory(user_id=user_id1) + + # Turn with matching user_id should work + turn1 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id1, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + history = history.add_turn(turn1) + assert len(history.turns) == 1 + + # Turn with different user_id should raise error + turn2 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id2, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + with pytest.raises(ValueError, match="Cannot add turn for user"): + history.add_turn(turn2) + + +def test_conversation_history_is_empty(): + """Test is_empty() helper method""" + user_id = uuid4() + + history1 = ConversationHistory(user_id=user_id) + assert history1.is_empty() is True + + session_id = uuid4() + now = datetime.now(UTC) + turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + history2 = history1.add_turn(turn) + assert history2.is_empty() is False + + +def test_conversation_history_get_oldest_and_newest_turn(): + """Test get_oldest_turn() and get_newest_turn() helper methods""" + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + history = ConversationHistory(user_id=user_id) + + # Empty history + assert history.get_oldest_turn() is None + assert history.get_newest_turn() is None + + # Add first turn + turn1 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="First", + llm_response="Response 1", + model_used="groq", + latency_ms=100, + ) + history = history.add_turn(turn1) + + assert history.get_newest_turn() == turn1 + assert history.get_oldest_turn() == turn1 + + # Add second turn + turn2 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Second", + llm_response="Response 2", + model_used="groq", + latency_ms=120, + ) + history = history.add_turn(turn2) + + assert history.get_newest_turn() == turn2 # Newest is first + assert history.get_oldest_turn() == turn1 # Oldest is last + + +def test_conversation_history_get_turns_count(): + """Test get_turns_count() helper method""" + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + history = ConversationHistory(user_id=user_id) + assert history.get_turns_count() == 0 + + for i in range(3): + turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript=f"Message {i}", + llm_response=f"Response {i}", + model_used="groq", + latency_ms=100, + ) + history = history.add_turn(turn) + + assert history.get_turns_count() == 3 + assert history.get_turns_count() == len(history.turns) + + +def test_conversation_history_should_trim(): + """Test should_trim() helper method (defensive check)""" + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + history = ConversationHistory(user_id=user_id, max_turns=3) + + # Should not need trimming initially + assert history.should_trim() is False + + # Add turns up to max_turns + for i in range(3): + turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript=f"Message {i}", + llm_response=f"Response {i}", + model_used="groq", + latency_ms=100, + ) + history = history.add_turn(turn) + + # Should not need trimming (add_turn maintains limit) + assert history.should_trim() is False + assert len(history.turns) == 3 + + +def test_conversation_history_get_total_tokens(): + """Test get_total_tokens() helper method""" + user_id = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + history = ConversationHistory(user_id=user_id) + + # Empty history + assert history.get_total_tokens() == 0 + + # Add turns with tokens + turn1 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + tokens_used=50, + ) + history = history.add_turn(turn1) + + turn2 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="How are you?", + llm_response="I'm good", + model_used="groq", + latency_ms=120, + tokens_used=75, + ) + history = history.add_turn(turn2) + + assert history.get_total_tokens() == 125 - history = ConversationHistory(user_id=user_id) + # Add turn without tokens + turn3 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Bye", + llm_response="Goodbye", + model_used="groq", + latency_ms=100, + ) + history = history.add_turn(turn3) - assert history.user_id == user_id - assert history.turns == [] - assert history.max_turns == 10 + assert history.get_total_tokens() == 125 # Should not change -def test_conversation_history_add_turn(): - """Test ConversationHistory.add_turn() method""" +def test_conversation_history_get_average_latency(): + """Test get_average_latency() helper method""" user_id = uuid4() session_id = uuid4() now = datetime.now(UTC) - history = ConversationHistory(user_id=user_id, max_turns=3) + history = ConversationHistory(user_id=user_id) - # Add first turn + # Empty history + assert history.get_average_latency() is None + + # Single turn turn1 = InteractionTurn( turn_id=uuid4(), + user_id=user_id, session_id=session_id, timestamp=now, transcript="Hello", @@ -585,11 +1269,13 @@ def test_conversation_history_add_turn(): latency_ms=100, ) history = history.add_turn(turn1) - assert len(history.turns) == 1 - # Add second turn + assert history.get_average_latency() == 100.0 + + # Multiple turns turn2 = InteractionTurn( turn_id=uuid4(), + user_id=user_id, session_id=session_id, timestamp=now, transcript="How are you?", @@ -598,35 +1284,41 @@ def test_conversation_history_add_turn(): latency_ms=120, ) history = history.add_turn(turn2) - assert len(history.turns) == 2 - assert history.turns[0] == turn2 # Newest first - # Add more turns to test max_turns limit - for i in range(5): - turn = InteractionTurn( - turn_id=uuid4(), - session_id=session_id, - timestamp=now, - transcript=f"Message {i}", - llm_response=f"Response {i}", - model_used="groq", - latency_ms=100, - ) - history = history.add_turn(turn) + assert history.get_average_latency() == 110.0 # (100 + 120) / 2 - # Should only have max_turns (3) turns - assert len(history.turns) == 3 + turn3 = InteractionTurn( + turn_id=uuid4(), + user_id=user_id, + session_id=session_id, + timestamp=now, + transcript="Bye", + llm_response="Goodbye", + model_used="groq", + latency_ms=80, + ) + history = history.add_turn(turn3) + assert history.get_average_latency() == 100.0 # (100 + 120 + 80) / 3 -def test_conversation_history_immutability(): - """Test that ConversationHistory.add_turn() returns new instance""" + +def test_conversation_history_add_turn_updates_last_updated(): + """Test that add_turn() updates last_updated timestamp""" user_id = uuid4() session_id = uuid4() now = datetime.now(UTC) - history1 = ConversationHistory(user_id=user_id) + history = ConversationHistory(user_id=user_id) + initial_time = history.last_updated + + # Wait a tiny bit to ensure timestamp difference + import time + + time.sleep(0.01) + turn = InteractionTurn( turn_id=uuid4(), + user_id=user_id, session_id=session_id, timestamp=now, transcript="Hello", @@ -635,13 +1327,37 @@ def test_conversation_history_immutability(): latency_ms=100, ) - history2 = history1.add_turn(turn) + history = history.add_turn(turn) + + # last_updated should be newer + assert history.last_updated > initial_time - # Original should be unchanged - assert len(history1.turns) == 0 - # New instance should have the turn - assert len(history2.turns) == 1 - assert history1 is not history2 + +def test_conversation_history_turns_user_id_validation(): + """Test that ConversationHistory validates all turns belong to same user_id""" + user_id1 = uuid4() + user_id2 = uuid4() + session_id = uuid4() + now = datetime.now(UTC) + + # Create turn with different user_id + turn = InteractionTurn( + turn_id=uuid4(), + user_id=user_id2, + session_id=session_id, + timestamp=now, + transcript="Hello", + llm_response="Hi", + model_used="groq", + latency_ms=100, + ) + + # Should raise error when creating history with mismatched turn + with pytest.raises(ValueError, match="belongs to user"): + ConversationHistory( + user_id=user_id1, + turns=[turn], + ) # ============================================================================ @@ -734,7 +1450,7 @@ def test_binary_frame_parse_length_mismatch(): + b"short" ) # Only 5 bytes - with pytest.raises(ValueError, match="Payload length mismatch"): + with pytest.raises(ValueError, match="Incomplete frame"): BinaryFrame.parse(frame_data) @@ -794,6 +1510,461 @@ def test_binary_frame_with_flags(): assert frame.flags & FrameFlags.PRIORITY.value +# ============================================================================ +# Enhanced ControlMessage Tests +# ============================================================================ + + +def test_control_message_metadata_and_schema_version(): + """Test metadata and schema_version fields""" + message = ControlMessage( + type=ControlMessageType.SESSION_CONTROL, + action="start_active_mode", + metadata={"key": "value"}, + schema_version="1.1", + ) + + assert message.metadata == {"key": "value"} + assert message.schema_version == "1.1" + + # Default values + message2 = ControlMessage( + type=ControlMessageType.HEARTBEAT, + ) + + assert message2.metadata == {} + assert message2.schema_version == "1.0" + + +def test_control_message_action_validation_session_control(): + """Test action validation for SESSION_CONTROL messages""" + # Valid actions + valid_actions = ["start_active_mode", "start_passive_mode", "end_session"] + for action in valid_actions: + message = ControlMessage(type=ControlMessageType.SESSION_CONTROL, action=action) + assert message.action == action + + # Missing action should raise error + with pytest.raises(ValueError, match="action is required for SESSION_CONTROL"): + ControlMessage(type=ControlMessageType.SESSION_CONTROL) + + # Invalid action should raise error + with pytest.raises(ValueError, match="Invalid action"): + ControlMessage(type=ControlMessageType.SESSION_CONTROL, action="invalid_action") + + +def test_control_message_action_validation_heartbeat(): + """Test action validation for HEARTBEAT messages""" + # HEARTBEAT should not have action + message = ControlMessage(type=ControlMessageType.HEARTBEAT) + assert message.action is None + + # HEARTBEAT with action should raise error + with pytest.raises(ValueError, match="action must be None for HEARTBEAT"): + ControlMessage(type=ControlMessageType.HEARTBEAT, action="some_action") + + +def test_control_message_action_validation_error_ack(): + """Test that ERROR and ACK can have optional actions""" + # ERROR can have optional action + message1 = ControlMessage(type=ControlMessageType.ERROR, action="retry") + assert message1.action == "retry" + + message2 = ControlMessage(type=ControlMessageType.ERROR) + assert message2.action is None + + # ACK can have optional action + message3 = ControlMessage(type=ControlMessageType.ACK, action="received") + assert message3.action == "received" + + message4 = ControlMessage(type=ControlMessageType.ACK) + assert message4.action is None + + +def test_control_message_utc_validation(): + """Test UTC validation for timestamp field""" + now_naive = datetime.now() + + # Naive datetime should be converted to UTC + message = ControlMessage(type=ControlMessageType.HEARTBEAT, timestamp=now_naive) + + assert message.timestamp.tzinfo is not None + assert message.timestamp.tzinfo == UTC + + +def test_control_message_is_session_control(): + """Test is_session_control() helper method""" + message1 = ControlMessage( + type=ControlMessageType.SESSION_CONTROL, action="start_active_mode" + ) + assert message1.is_session_control() is True + + message2 = ControlMessage(type=ControlMessageType.HEARTBEAT) + assert message2.is_session_control() is False + + +def test_control_message_is_error(): + """Test is_error() helper method""" + message1 = ControlMessage(type=ControlMessageType.ERROR) + assert message1.is_error() is True + + message2 = ControlMessage(type=ControlMessageType.HEARTBEAT) + assert message2.is_error() is False + + +def test_control_message_is_heartbeat(): + """Test is_heartbeat() helper method""" + message1 = ControlMessage(type=ControlMessageType.HEARTBEAT) + assert message1.is_heartbeat() is True + + message2 = ControlMessage( + type=ControlMessageType.SESSION_CONTROL, action="start_active_mode" + ) + assert message2.is_heartbeat() is False + + +def test_control_message_is_ack(): + """Test is_ack() helper method""" + message1 = ControlMessage(type=ControlMessageType.ACK) + assert message1.is_ack() is True + + message2 = ControlMessage(type=ControlMessageType.HEARTBEAT) + assert message2.is_ack() is False + + +def test_control_message_get_action_type(): + """Test get_action_type() helper method""" + message1 = ControlMessage( + type=ControlMessageType.SESSION_CONTROL, action="start_active_mode" + ) + assert message1.get_action_type() == "start_active_mode" + + message2 = ControlMessage(type=ControlMessageType.HEARTBEAT) + assert message2.get_action_type() is None + + +def test_control_message_has_payload(): + """Test has_payload() helper method""" + message1 = ControlMessage(type=ControlMessageType.ERROR, payload={"error": "test"}) + assert message1.has_payload() is True + + message2 = ControlMessage(type=ControlMessageType.HEARTBEAT) + assert message2.has_payload() is False + + +# ============================================================================ +# Enhanced BinaryFrame Tests +# ============================================================================ + + +def test_binary_frame_metadata_and_schema_version(): + """Test metadata and schema_version fields""" + frame = BinaryFrame( + stream_type=StreamType.AUDIO, + flags=0, + payload=b"test", + length=4, + metadata={"key": "value"}, + schema_version="1.1", + ) + + assert frame.metadata == {"key": "value"} + assert frame.schema_version == "1.1" + + # Default values + frame2 = BinaryFrame( + stream_type=StreamType.VIDEO, flags=0, payload=b"data", length=4 + ) + + assert frame2.metadata == {} + assert frame2.schema_version == "1.0" + + +def test_binary_frame_flags_validation(): + """Test flags validation""" + # Valid flags (0-255) + frame1 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame1.flags == 0 + + frame2 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=255, payload=b"test", length=4 + ) + assert frame2.flags == 255 + + # Invalid flags (negative) + with pytest.raises(ValueError, match="flags must be between 0 and 255"): + BinaryFrame(stream_type=StreamType.AUDIO, flags=-1, payload=b"test", length=4) + + # Invalid flags (too large) + with pytest.raises(ValueError, match="flags must be between 0 and 255"): + BinaryFrame(stream_type=StreamType.AUDIO, flags=256, payload=b"test", length=4) + + +def test_binary_frame_length_validation(): + """Test length validation""" + # Valid length (0-65535) + frame1 = BinaryFrame(stream_type=StreamType.AUDIO, flags=0, payload=b"", length=0) + assert frame1.length == 0 + + frame2 = BinaryFrame( + stream_type=StreamType.AUDIO, + flags=0, + payload=b"x" * 65535, + length=65535, + ) + assert frame2.length == 65535 + + # Invalid length (negative) + with pytest.raises(ValueError, match="length must be between 0 and 65535"): + BinaryFrame(stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=-1) + + # Invalid length (too large) + with pytest.raises(ValueError, match="length must be between 0 and 65535"): + BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=65536 + ) + + +def test_binary_frame_payload_integrity_validation(): + """Test payload integrity validation""" + # Valid: length matches payload + frame1 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame1.length == len(frame1.payload) + + # Invalid: length mismatch + with pytest.raises(ValueError, match="Payload length mismatch"): + BinaryFrame(stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=5) + + # Invalid: length too large (validated before payload integrity check) + with pytest.raises(ValueError, match="length must be between 0 and 65535"): + BinaryFrame( + stream_type=StreamType.AUDIO, + flags=0, + payload=b"x" * 65535, + length=65536, + ) + + +def test_binary_frame_has_flag(): + """Test has_flag() helper method""" + frame = BinaryFrame( + stream_type=StreamType.AUDIO, + flags=FrameFlags.END_OF_STREAM.value | FrameFlags.PRIORITY.value, + payload=b"test", + length=4, + ) + + assert frame.has_flag(FrameFlags.END_OF_STREAM) is True + assert frame.has_flag(FrameFlags.PRIORITY) is True + assert frame.has_flag(FrameFlags.ERROR) is False + + +def test_binary_frame_is_control(): + """Test is_control() helper method""" + frame1 = BinaryFrame( + stream_type=StreamType.CONTROL, flags=0, payload=b"test", length=4 + ) + assert frame1.is_control() is True + + frame2 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame2.is_control() is False + + +def test_binary_frame_is_audio(): + """Test is_audio() helper method""" + frame1 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame1.is_audio() is True + + frame2 = BinaryFrame( + stream_type=StreamType.VIDEO, flags=0, payload=b"test", length=4 + ) + assert frame2.is_audio() is False + + +def test_binary_frame_is_video(): + """Test is_video() helper method""" + frame1 = BinaryFrame( + stream_type=StreamType.VIDEO, flags=0, payload=b"test", length=4 + ) + assert frame1.is_video() is True + + frame2 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame2.is_video() is False + + +def test_binary_frame_is_end_of_stream(): + """Test is_end_of_stream() helper method""" + frame1 = BinaryFrame( + stream_type=StreamType.AUDIO, + flags=FrameFlags.END_OF_STREAM.value, + payload=b"test", + length=4, + ) + assert frame1.is_end_of_stream() is True + + frame2 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame2.is_end_of_stream() is False + + +def test_binary_frame_is_priority(): + """Test is_priority() helper method""" + frame1 = BinaryFrame( + stream_type=StreamType.AUDIO, + flags=FrameFlags.PRIORITY.value, + payload=b"test", + length=4, + ) + assert frame1.is_priority() is True + + frame2 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame2.is_priority() is False + + +def test_binary_frame_has_error(): + """Test has_error() helper method""" + frame1 = BinaryFrame( + stream_type=StreamType.AUDIO, + flags=FrameFlags.ERROR.value, + payload=b"test", + length=4, + ) + assert frame1.has_error() is True + + frame2 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + assert frame2.has_error() is False + + +def test_binary_frame_get_total_size(): + """Test get_total_size() helper method""" + payload = b"test data" + frame = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=payload, length=len(payload) + ) + + assert frame.get_total_size() == 4 + len(payload) + assert frame.get_total_size() == 4 + 9 # 4-byte header + 9-byte payload + + +def test_binary_frame_validate_integrity(): + """Test validate_integrity() helper method""" + frame = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + + # Should pass validation + assert frame.validate_integrity() is True + + # Create frame with mismatch (should fail validation) + # Note: This is tricky because Pydantic validates on creation + # We'll test the method on a valid frame + + +def test_binary_frame_parse_max_payload_size(): + """Test BinaryFrame.parse() with maximum payload size""" + max_payload = b"x" * 65535 + length = len(max_payload) + + frame_data = ( + bytes( + [ + StreamType.AUDIO.value, + 0x00, + (length >> 8) & 0xFF, + length & 0xFF, + ] + ) + + max_payload + ) + + frame = BinaryFrame.parse(frame_data) + assert frame.length == 65535 + assert len(frame.payload) == 65535 + + +def test_binary_frame_parse_invalid_stream_type(): + """Test BinaryFrame.parse() with invalid stream type""" + frame_data = bytes([0xFF, 0x00, 0x00, 0x04]) + b"test" + + with pytest.raises(ValueError, match="Invalid stream type"): + BinaryFrame.parse(frame_data) + + +def test_binary_frame_parse_payload_too_large(): + """Test BinaryFrame.parse() with payload exceeding max size""" + # Header says length is 65535 (max), verify it parses correctly + max_payload = b"x" * 65535 + frame_data = bytes([StreamType.AUDIO.value, 0x00, 0xFF, 0xFF]) + max_payload + + # Should parse successfully (max size is valid) + frame = BinaryFrame.parse(frame_data) + assert frame.length == 65535 + assert len(frame.payload) == 65535 + + # Test that creating a frame with payload that's too large fails + # The payload integrity validator will catch this + with pytest.raises(ValueError, match="Payload length mismatch"): + # Create frame with payload larger than max (but length is still valid) + # This will fail in the model validator due to payload size check + BinaryFrame( + stream_type=StreamType.AUDIO, + flags=0, + payload=b"x" * 65536, + length=65535, # Length says 65535, but payload is 65536 + ) + + +def test_binary_frame_to_bytes_validation(): + """Test that to_bytes() validates before serialization""" + # Valid frame should serialize + frame1 = BinaryFrame( + stream_type=StreamType.AUDIO, flags=0, payload=b"test", length=4 + ) + serialized = frame1.to_bytes() + assert len(serialized) == 8 # 4-byte header + 4-byte payload + + # Frame with mismatch should fail (but Pydantic prevents creation) + # This is tested via the model validator + + +def test_binary_frame_edge_cases(): + """Test edge cases: empty payload, multiple flags""" + # Empty payload + frame1 = BinaryFrame(stream_type=StreamType.AUDIO, flags=0, payload=b"", length=0) + assert frame1.length == 0 + assert len(frame1.payload) == 0 + assert frame1.get_total_size() == 4 + + # Multiple flags + flags = ( + FrameFlags.END_OF_STREAM.value + | FrameFlags.PRIORITY.value + | FrameFlags.ERROR.value + ) + frame2 = BinaryFrame( + stream_type=StreamType.VIDEO, flags=flags, payload=b"data", length=4 + ) + + assert frame2.has_flag(FrameFlags.END_OF_STREAM) is True + assert frame2.has_flag(FrameFlags.PRIORITY) is True + assert frame2.has_flag(FrameFlags.ERROR) is True + + # ============================================================================ # Default Factory Tests # ============================================================================ From b4bb44a934cb51fb5da404d2233d470f53d20975 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Sun, 14 Dec 2025 18:54:50 +0530 Subject: [PATCH 05/21] refactor: Update user and session models for improved IP address handling and OAuth provider requirements - Changed IP address fields in models to use IPvAnyAddress for better validation. - Made oauth_provider a required field in User and UserContext models. - Removed deprecated OAuthTokens model and updated related tests. - Enhanced tests to validate new model behaviors and requirements. --- core/__init__.py | 34 ++- core/models/__init__.py | 2 - core/models/session.py | 4 +- core/models/user.py | 32 +-- tests/test_models.py | 597 ++++++++++++++++++++++++++++++++++++++-- 5 files changed, 604 insertions(+), 65 deletions(-) diff --git a/core/__init__.py b/core/__init__.py index 849788d..35a0af5 100644 --- a/core/__init__.py +++ b/core/__init__.py @@ -9,19 +9,27 @@ setup_logging, ) from core.models import ( + # Enums - User & Auth + AuditAction, + # Models - User & Auth + AuditLog, + # Models - Control & Binary BinaryFrame, ControlMessage, + # Enums - Session & Control ControlMessageType, + # Models - Interaction ConversationHistory, FrameFlags, InteractionTurn, - OAuthTokens, - # Enums + OAuthProvider, + RefreshToken, SessionMode, - # Models + # Models - Session SessionState, StreamType, TokenBlacklistEntry, + TokenRevocationReason, User, UserContext, UserStatus, @@ -36,20 +44,28 @@ "set_trace_id", "get_trace_id", "TraceContext", - # Model Enums + # Enums - User & Auth + "UserStatus", + "OAuthProvider", + "TokenRevocationReason", + "AuditAction", + # Enums - Session & Control "SessionMode", "ControlMessageType", "StreamType", "FrameFlags", - "UserStatus", - # Models - "SessionState", + # Models - User & Auth + "User", "UserContext", - "OAuthTokens", + "RefreshToken", "TokenBlacklistEntry", - "User", + "AuditLog", + # Models - Session + "SessionState", + # Models - Interaction "InteractionTurn", "ConversationHistory", + # Models - Control & Binary "ControlMessage", "BinaryFrame", ] diff --git a/core/models/__init__.py b/core/models/__init__.py index 120437d..a189fa5 100644 --- a/core/models/__init__.py +++ b/core/models/__init__.py @@ -40,7 +40,6 @@ # Models AuditLog, OAuthProvider, - OAuthTokens, RefreshToken, TokenBlacklistEntry, TokenRevocationReason, @@ -66,7 +65,6 @@ "RefreshToken", "TokenBlacklistEntry", "AuditLog", - "OAuthTokens", # Models - Session "SessionState", # Models - Interaction diff --git a/core/models/session.py b/core/models/session.py index 0b00e39..8d007ed 100644 --- a/core/models/session.py +++ b/core/models/session.py @@ -11,7 +11,7 @@ from typing import Any from uuid import UUID -from pydantic import BaseModel, ConfigDict, Field, field_validator +from pydantic import BaseModel, ConfigDict, Field, IPvAnyAddress, field_validator # ============================================================================ # Enums @@ -72,7 +72,7 @@ class SessionState(BaseModel): # Optional tracking device_info: dict[str, Any] | None = None - ip_address: str | None = None + ip_address: IPvAnyAddress | None = None user_agent: str | None = None model_config = ConfigDict(frozen=True) diff --git a/core/models/user.py b/core/models/user.py index 8fe4020..6975580 100644 --- a/core/models/user.py +++ b/core/models/user.py @@ -18,6 +18,7 @@ EmailStr, Field, HttpUrl, + IPvAnyAddress, field_validator, ) @@ -111,7 +112,7 @@ class User(BaseModel): name: str | None = None # OAuth fields - oauth_provider: OAuthProvider = OAuthProvider.GOOGLE + oauth_provider: OAuthProvider oauth_sub: str | None = None # Status & timestamps @@ -185,7 +186,7 @@ class UserContext(BaseModel): name: str | None = None # Auth metadata - oauth_provider: OAuthProvider = OAuthProvider.GOOGLE + oauth_provider: OAuthProvider status: UserStatus = UserStatus.ACTIVE # Token metadata (from JWT claims) @@ -237,7 +238,7 @@ class RefreshToken(BaseModel): created_at: datetime rotated_at: datetime | None = None previous_token_id: UUID | None = None - ip_address: str | None = None + ip_address: IPvAnyAddress | None = None user_agent: str | None = None model_config = ConfigDict(frozen=True) @@ -276,7 +277,7 @@ class TokenBlacklistEntry(BaseModel): revoked_at: datetime expires_at: datetime reason: TokenRevocationReason - ip_address: str | None = None + ip_address: IPvAnyAddress | None = None model_config = ConfigDict(frozen=True) @@ -306,29 +307,8 @@ class AuditLog(BaseModel): user_id: UUID | None action: AuditAction details: dict[str, Any] = Field(default_factory=dict) - ip_address: str | None = None + ip_address: IPvAnyAddress | None = None user_agent: str | None = None created_at: datetime model_config = ConfigDict(frozen=True) - - -class OAuthTokens(BaseModel): - """ - OAuth token storage. - - DEPRECATED: This model stored raw OAuth tokens from the provider. - For security, we now only store our own refresh tokens (RefreshToken model) - and exchange OAuth tokens immediately during login. - - Kept for backward compatibility during migration. - """ - - access_token: str - refresh_token: str - id_token: str | None = None - expires_at: datetime - token_type: str = "Bearer" - scope: str | None = None - - model_config = ConfigDict(frozen=True) diff --git a/tests/test_models.py b/tests/test_models.py index 211ebe4..400d334 100644 --- a/tests/test_models.py +++ b/tests/test_models.py @@ -6,6 +6,10 @@ import pytest from core.models import ( + # Enums - User & Auth + AuditAction, + # Models - User & Auth + AuditLog, # Models - Control & Binary BinaryFrame, ControlMessage, @@ -15,10 +19,8 @@ ConversationHistory, FrameFlags, InteractionTurn, - # Enums - User & Auth OAuthProvider, - # Models - User & Auth - OAuthTokens, + RefreshToken, SessionMode, # Models - Session SessionState, @@ -162,7 +164,7 @@ def test_session_state_with_all_fields(): assert session.preferences["theme"] == "dark" assert session.metadata["source"] == "web" assert session.device_info["type"] == "desktop" - assert session.ip_address == "192.168.1.1" + assert str(session.ip_address) == "192.168.1.1" assert session.user_agent == "Mozilla/5.0" assert session.schema_version == "1.0" @@ -420,6 +422,7 @@ def test_user_context_creation(): assert context.user_id == user_id assert context.email == "test@example.com" + assert context.oauth_provider == OAuthProvider.GOOGLE assert context.token_id == "jti-12345" assert context.session_id is None @@ -432,6 +435,7 @@ def test_user_context_immutability(): context = UserContext( user_id=user_id, email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, token_id="jti-12345", issued_at=now, expires_at=now + timedelta(minutes=15), @@ -441,25 +445,6 @@ def test_user_context_immutability(): context.email = "new@example.com" -def test_oauth_tokens_creation(): - """Test OAuthTokens model creation""" - now = datetime.now(UTC) - expires_at = now + timedelta(hours=1) - - tokens = OAuthTokens( - access_token="access_token_123", - refresh_token="refresh_token_456", - id_token="id_token_789", - expires_at=expires_at, - ) - - assert tokens.access_token == "access_token_123" - assert tokens.refresh_token == "refresh_token_456" - assert tokens.id_token == "id_token_789" - assert tokens.token_type == "Bearer" # Default value - assert tokens.expires_at == expires_at - - def test_token_blacklist_entry_creation(): """Test TokenBlacklistEntry model creation with reason.""" user_id = uuid4() @@ -477,7 +462,7 @@ def test_token_blacklist_entry_creation(): assert entry.token_id == "jti-12345" assert entry.reason == TokenRevocationReason.LOGOUT - assert entry.ip_address == "192.168.1.1" + assert str(entry.ip_address) == "192.168.1.1" def test_user_creation(): @@ -517,6 +502,7 @@ def test_user_blacklisted_status(): user = User( user_id=user_id, email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, created_at=now, updated_at=now, status=UserStatus.BLACKLISTED, @@ -525,6 +511,557 @@ def test_user_blacklisted_status(): assert user.status == UserStatus.BLACKLISTED +def test_user_is_active(): + """Test User.is_active() helper method.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Active user, not deleted + active_user = User( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + created_at=now, + updated_at=now, + status=UserStatus.ACTIVE, + ) + assert active_user.is_active() is True + + # Active status but soft-deleted + deleted_user = User( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + created_at=now, + updated_at=now, + status=UserStatus.ACTIVE, + deleted_at=now, + ) + assert deleted_user.is_active() is False + + # Suspended user + suspended_user = User( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + created_at=now, + updated_at=now, + status=UserStatus.SUSPENDED, + ) + assert suspended_user.is_active() is False + + +def test_user_is_deleted(): + """Test User.is_deleted() helper method.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Not deleted + active_user = User( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + created_at=now, + updated_at=now, + ) + assert active_user.is_deleted() is False + + # Soft-deleted + deleted_user = User( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + created_at=now, + updated_at=now, + deleted_at=now, + ) + assert deleted_user.is_deleted() is True + + +def test_user_oauth_provider_required(): + """Test that oauth_provider is required for User.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Should raise error without oauth_provider + with pytest.raises(Exception): + User( + user_id=user_id, + email="test@example.com", + created_at=now, + updated_at=now, + ) + + +def test_user_context_oauth_provider_required(): + """Test that oauth_provider is required for UserContext.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Should raise error without oauth_provider + with pytest.raises(Exception): + UserContext( + user_id=user_id, + email="test@example.com", + token_id="jti-12345", + issued_at=now, + expires_at=now + timedelta(minutes=15), + ) + + +def test_user_context_is_active(): + """Test UserContext.is_active() helper method.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Active user + active_context = UserContext( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + status=UserStatus.ACTIVE, + token_id="jti-12345", + issued_at=now, + expires_at=now + timedelta(minutes=15), + ) + assert active_context.is_active() is True + + # Suspended user + suspended_context = UserContext( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + status=UserStatus.SUSPENDED, + token_id="jti-12345", + issued_at=now, + expires_at=now + timedelta(minutes=15), + ) + assert suspended_context.is_active() is False + + +def test_user_context_is_expired(): + """Test UserContext.is_expired() helper method.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Not expired + valid_context = UserContext( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + token_id="jti-12345", + issued_at=now, + expires_at=now + timedelta(minutes=15), + ) + assert valid_context.is_expired() is False + + # Expired + expired_context = UserContext( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + token_id="jti-12345", + issued_at=now - timedelta(hours=1), + expires_at=now - timedelta(minutes=15), + ) + assert expired_context.is_expired() is True + + +def test_user_context_is_valid(): + """Test UserContext.is_valid() helper method.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Valid: active and not expired + valid_context = UserContext( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + status=UserStatus.ACTIVE, + token_id="jti-12345", + issued_at=now, + expires_at=now + timedelta(minutes=15), + ) + assert valid_context.is_valid() is True + + # Invalid: expired + expired_context = UserContext( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + status=UserStatus.ACTIVE, + token_id="jti-12345", + issued_at=now - timedelta(hours=1), + expires_at=now - timedelta(minutes=15), + ) + assert expired_context.is_valid() is False + + # Invalid: suspended + suspended_context = UserContext( + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + status=UserStatus.SUSPENDED, + token_id="jti-12345", + issued_at=now, + expires_at=now + timedelta(minutes=15), + ) + assert suspended_context.is_valid() is False + + +# ============================================================================ +# RefreshToken Model Tests +# ============================================================================ + + +def test_refresh_token_creation(): + """Test RefreshToken model creation.""" + token_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + expires = now + timedelta(days=7) + + token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="sha256_hash_value", + expires_at=expires, + created_at=now, + ip_address="192.168.1.1", + user_agent="Mozilla/5.0", + ) + + assert token.token_id == token_id + assert token.user_id == user_id + assert token.token_hash == "sha256_hash_value" + assert token.expires_at == expires + assert token.rotated_at is None + assert token.previous_token_id is None + assert str(token.ip_address) == "192.168.1.1" + + +def test_refresh_token_is_expired(): + """Test RefreshToken.is_expired() helper method.""" + token_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Not expired + valid_token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now + timedelta(days=7), + created_at=now, + ) + assert valid_token.is_expired() is False + + # Expired + expired_token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now - timedelta(hours=1), + created_at=now - timedelta(days=8), + ) + assert expired_token.is_expired() is True + + +def test_refresh_token_is_rotated(): + """Test RefreshToken.is_rotated() helper method.""" + token_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Not rotated + active_token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now + timedelta(days=7), + created_at=now, + ) + assert active_token.is_rotated() is False + + # Rotated + rotated_token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now + timedelta(days=7), + created_at=now - timedelta(days=1), + rotated_at=now, + previous_token_id=uuid4(), + ) + assert rotated_token.is_rotated() is True + + +def test_refresh_token_is_valid(): + """Test RefreshToken.is_valid() helper method.""" + token_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Valid: not expired and not rotated + valid_token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now + timedelta(days=7), + created_at=now, + ) + assert valid_token.is_valid() is True + + # Invalid: expired + expired_token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now - timedelta(hours=1), + created_at=now - timedelta(days=8), + ) + assert expired_token.is_valid() is False + + # Invalid: rotated + rotated_token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now + timedelta(days=7), + created_at=now - timedelta(days=1), + rotated_at=now, + ) + assert rotated_token.is_valid() is False + + +def test_refresh_token_immutability(): + """Test that RefreshToken is immutable.""" + token_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + token = RefreshToken( + token_id=token_id, + user_id=user_id, + token_hash="hash", + expires_at=now + timedelta(days=7), + created_at=now, + ) + + with pytest.raises(Exception): + token.token_hash = "new_hash" + + +# ============================================================================ +# TokenBlacklistEntry Enhanced Tests +# ============================================================================ + + +def test_token_blacklist_entry_is_cleanup_ready(): + """Test TokenBlacklistEntry.is_cleanup_ready() helper method.""" + user_id = uuid4() + now = datetime.now(UTC) + + # Not cleanup ready (token not yet expired) + active_entry = TokenBlacklistEntry( + token_id="jti-12345", + user_id=user_id, + revoked_at=now, + expires_at=now + timedelta(minutes=15), + reason=TokenRevocationReason.LOGOUT, + ) + assert active_entry.is_cleanup_ready() is False + + # Cleanup ready (original token expired) + expired_entry = TokenBlacklistEntry( + token_id="jti-12345", + user_id=user_id, + revoked_at=now - timedelta(hours=1), + expires_at=now - timedelta(minutes=15), + reason=TokenRevocationReason.SECURITY, + ) + assert expired_entry.is_cleanup_ready() is True + + +def test_token_blacklist_entry_all_reasons(): + """Test TokenBlacklistEntry with all revocation reasons.""" + user_id = uuid4() + now = datetime.now(UTC) + expires = now + timedelta(minutes=15) + + for reason in TokenRevocationReason: + entry = TokenBlacklistEntry( + token_id=f"jti-{reason.value}", + user_id=user_id, + revoked_at=now, + expires_at=expires, + reason=reason, + ) + assert entry.reason == reason + + +# ============================================================================ +# AuditLog Model Tests +# ============================================================================ + + +def test_audit_log_creation(): + """Test AuditLog model creation.""" + log_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + log = AuditLog( + log_id=log_id, + user_id=user_id, + action=AuditAction.LOGIN, + details={"method": "oauth", "provider": "google"}, + ip_address="10.0.0.1", + user_agent="Mozilla/5.0", + created_at=now, + ) + + assert log.log_id == log_id + assert log.user_id == user_id + assert log.action == AuditAction.LOGIN + assert log.details["method"] == "oauth" + assert str(log.ip_address) == "10.0.0.1" + assert log.user_agent == "Mozilla/5.0" + + +def test_audit_log_with_null_user(): + """Test AuditLog with null user_id (user deleted).""" + log_id = uuid4() + now = datetime.now(UTC) + + log = AuditLog( + log_id=log_id, + user_id=None, + action=AuditAction.ACCOUNT_DELETE, + created_at=now, + ) + + assert log.user_id is None + assert log.action == AuditAction.ACCOUNT_DELETE + + +def test_audit_log_all_actions(): + """Test AuditLog with all action types.""" + log_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + for action in AuditAction: + log = AuditLog( + log_id=log_id, + user_id=user_id, + action=action, + created_at=now, + ) + assert log.action == action + + +def test_audit_log_immutability(): + """Test that AuditLog is immutable.""" + log_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + log = AuditLog( + log_id=log_id, + user_id=user_id, + action=AuditAction.LOGIN, + created_at=now, + ) + + with pytest.raises(Exception): + log.action = AuditAction.LOGOUT + + +# ============================================================================ +# IP Address Validation Tests +# ============================================================================ + + +def test_ip_address_validation_ipv4(): + """Test IP address validation with valid IPv4.""" + user_id = uuid4() + now = datetime.now(UTC) + + entry = TokenBlacklistEntry( + token_id="jti-12345", + user_id=user_id, + revoked_at=now, + expires_at=now + timedelta(minutes=15), + reason=TokenRevocationReason.LOGOUT, + ip_address="192.168.1.1", + ) + + assert str(entry.ip_address) == "192.168.1.1" + + +def test_ip_address_validation_ipv6(): + """Test IP address validation with valid IPv6.""" + user_id = uuid4() + now = datetime.now(UTC) + + entry = TokenBlacklistEntry( + token_id="jti-12345", + user_id=user_id, + revoked_at=now, + expires_at=now + timedelta(minutes=15), + reason=TokenRevocationReason.LOGOUT, + ip_address="::1", + ) + + assert str(entry.ip_address) == "::1" + + +def test_ip_address_validation_invalid(): + """Test IP address validation with invalid address.""" + user_id = uuid4() + now = datetime.now(UTC) + + with pytest.raises(Exception): + TokenBlacklistEntry( + token_id="jti-12345", + user_id=user_id, + revoked_at=now, + expires_at=now + timedelta(minutes=15), + reason=TokenRevocationReason.LOGOUT, + ip_address="not-an-ip-address", + ) + + +def test_ip_address_validation_session_state(): + """Test IP address validation in SessionState.""" + session_id = uuid4() + user_id = uuid4() + now = datetime.now(UTC) + + # Valid IPv4 + session = SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now, + last_activity=now, + ip_address="10.0.0.1", + ) + assert str(session.ip_address) == "10.0.0.1" + + # Invalid IP should raise error + with pytest.raises(Exception): + SessionState( + session_id=session_id, + user_id=user_id, + mode=SessionMode.ACTIVE, + created_at=now, + last_activity=now, + ip_address="invalid-ip", + ) + + # ============================================================================ # Interaction Model Tests # ============================================================================ @@ -2018,7 +2555,11 @@ def test_uuid_json_serialization(): now = datetime.now(UTC) user = User( - user_id=user_id, email="test@example.com", created_at=now, updated_at=now + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + created_at=now, + updated_at=now, ) json_str = user.model_dump_json() @@ -2031,7 +2572,11 @@ def test_datetime_json_serialization(): user_id = uuid4() user = User( - user_id=user_id, email="test@example.com", created_at=now, updated_at=now + user_id=user_id, + email="test@example.com", + oauth_provider=OAuthProvider.GOOGLE, + created_at=now, + updated_at=now, ) json_data = user.model_dump() From 32365b460864548ef6893c9f96cf294443042712 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 04:27:22 +0530 Subject: [PATCH 06/21] implement auth, exceptions and telemetry for core module --- core/__init__.py | 32 ++ core/auth.py | 622 +++++++++++++++++++++++++++++++++++++++ core/exceptions.py | 401 +++++++++++++++++++++++++ core/telemetry.py | 254 ++++++++++++++++ pyproject.toml | 10 + tests/test_auth.py | 481 ++++++++++++++++++++++++++++++ tests/test_exceptions.py | 209 +++++++++++++ tests/test_telemetry.py | 208 +++++++++++++ uv.lock | 269 +++++++++++++++++ 9 files changed, 2486 insertions(+) create mode 100644 core/auth.py create mode 100644 core/exceptions.py create mode 100644 core/telemetry.py create mode 100644 tests/test_auth.py create mode 100644 tests/test_exceptions.py create mode 100644 tests/test_telemetry.py diff --git a/core/__init__.py b/core/__init__.py index 35a0af5..e784408 100644 --- a/core/__init__.py +++ b/core/__init__.py @@ -1,5 +1,19 @@ """Core module for NeroSpatial Backend - shared utilities.""" +from core.auth import JWTAuth +from core.exceptions import ( + AuthenticationError, + AuthorizationError, + CircuitBreakerOpenError, + DatabaseError, + LLMProviderError, + NeroSpatialException, + RateLimitExceeded, + SessionExpiredError, + SessionNotFoundError, + ValidationError, + VLMTimeoutError, +) from core.keyvault import KeyVaultClient from core.logger import ( TraceContext, @@ -34,6 +48,7 @@ UserContext, UserStatus, ) +from core.telemetry import Metrics, TelemetryManager __all__ = [ # KeyVault @@ -44,6 +59,23 @@ "set_trace_id", "get_trace_id", "TraceContext", + # Auth + "JWTAuth", + # Exceptions + "NeroSpatialException", + "AuthenticationError", + "AuthorizationError", + "SessionExpiredError", + "SessionNotFoundError", + "VLMTimeoutError", + "LLMProviderError", + "CircuitBreakerOpenError", + "DatabaseError", + "RateLimitExceeded", + "ValidationError", + # Telemetry + "TelemetryManager", + "Metrics", # Enums - User & Auth "UserStatus", "OAuthProvider", diff --git a/core/auth.py b/core/auth.py new file mode 100644 index 0000000..edafbc9 --- /dev/null +++ b/core/auth.py @@ -0,0 +1,622 @@ +""" +JWT authentication and user context management. + +Provides JWT token validation, user context extraction with caching, +token generation, refresh, and blacklist management. +""" + +import hashlib +import secrets +from datetime import UTC, datetime, timedelta +from typing import Any, Protocol +from uuid import UUID, uuid4 + +import jwt +from jwt import PyJWKClient + +from core.exceptions import AuthenticationError, AuthorizationError +from core.logger import get_logger, get_trace_id +from core.models import ( + OAuthProvider, + RefreshToken, + TokenBlacklistEntry, + TokenRevocationReason, + User, + UserContext, + UserStatus, +) + +logger = get_logger(__name__) + + +class RedisClientProtocol(Protocol): + """Protocol for Redis client interface.""" + + async def get(self, key: str) -> str | None: + """Get value from Redis.""" + ... + + async def setex(self, key: str, ttl: int, value: str) -> None: + """Set value with TTL.""" + ... + + async def delete(self, key: str) -> None: + """Delete key.""" + ... + + async def exists(self, key: str) -> bool: + """Check if key exists.""" + ... + + +class PostgresClientProtocol(Protocol): + """Protocol for Postgres client interface.""" + + async def get_user(self, user_id: UUID) -> User | None: + """Get user by ID.""" + ... + + async def get_user_by_email(self, email: str) -> User | None: + """Get user by email.""" + ... + + async def create_refresh_token(self, token: RefreshToken) -> None: + """Create refresh token.""" + ... + + async def get_refresh_token(self, token_hash: str) -> RefreshToken | None: + """Get refresh token by hash.""" + ... + + async def rotate_refresh_token( + self, old_token_id: UUID, new_token: RefreshToken + ) -> None: + """Rotate refresh token.""" + ... + + async def delete_user_refresh_tokens(self, user_id: UUID) -> None: + """Delete all refresh tokens for user.""" + ... + + async def create_token_blacklist_entry(self, entry: TokenBlacklistEntry) -> None: + """Create blacklist entry.""" + ... + + +class JWTAuth: + """ + JWT authentication and user context management. + + Handles JWT validation, user context extraction with Redis caching, + token generation, refresh with rotation, and blacklist management. + + Note: Requires Redis and Postgres clients for full functionality. + Can work with mocks for testing. + """ + + def __init__( + self, + private_key: str | None = None, + public_key: str | None = None, + public_key_url: str | None = None, + algorithm: str = "RS256", + access_token_ttl: int = 900, # 15 minutes + refresh_token_ttl: int = 604800, # 7 days + cache_ttl_seconds: int = 300, # 5 minutes + redis_client: RedisClientProtocol | None = None, + postgres_client: PostgresClientProtocol | None = None, + ): + """ + Initialize JWT auth. + + Args: + private_key: RS256 private key for signing (PEM format) + public_key: RS256 public key for verification (PEM format) + public_key_url: URL to fetch JWKS (alternative to public_key) + algorithm: JWT algorithm (RS256 or HS256) + access_token_ttl: Access token TTL in seconds (default 15 min) + refresh_token_ttl: Refresh token TTL in seconds (default 7 days) + cache_ttl_seconds: User context cache TTL in seconds (default 5 min) + redis_client: Redis client for caching and blacklist (optional) + postgres_client: Postgres client for user lookup (optional) + """ + self.algorithm = algorithm + self.access_token_ttl = access_token_ttl + self.refresh_token_ttl = refresh_token_ttl + self.cache_ttl = cache_ttl_seconds + self.redis_client = redis_client + self.postgres_client = postgres_client + + # Setup JWT verification + if public_key_url: + self.jwks_client: PyJWKClient | None = PyJWKClient(public_key_url) + self.public_key: str | None = None + elif public_key: + self.jwks_client = None + self.public_key = public_key + else: + raise ValueError("Either public_key_url or public_key required") + + # Private key for signing (if provided) + self.private_key = private_key + + logger.info( + f"JWTAuth initialized with algorithm={algorithm}, " + f"access_ttl={access_token_ttl}s, refresh_ttl={refresh_token_ttl}s" + ) + + async def validate_token(self, token: str) -> dict[str, Any]: + """ + Validate JWT token and return claims. + + Args: + token: JWT token string + + Returns: + Decoded JWT claims + + Raises: + AuthenticationError: If token is invalid, expired, or blacklisted + """ + trace_id = get_trace_id() + + try: + # Get signing key + if self.jwks_client: + # RS256: Fetch signing key from JWKS + signing_key = self.jwks_client.get_signing_key_from_jwt(token) + key = signing_key.key + else: + # HS256 or direct public key + key = self.public_key + + # Decode and verify token + payload = jwt.decode( + token, + key, + algorithms=[self.algorithm], + options={"verify_exp": True, "verify_signature": True}, + ) + + # Check blacklist + jti = payload.get("jti") + if jti and await self.is_blacklisted(jti): + raise AuthenticationError( + "Token is blacklisted", + trace_id=trace_id, + user_id=UUID(payload.get("sub") or payload.get("user_id", "")), + ) + + return payload + + except jwt.ExpiredSignatureError as e: + raise AuthenticationError( + "Token expired", + trace_id=trace_id, + ) from e + except jwt.InvalidTokenError as e: + raise AuthenticationError( + f"Invalid token: {str(e)}", + trace_id=trace_id, + ) from e + + async def extract_user_context(self, token: str) -> UserContext: + """ + Extract user context from JWT with Redis caching. + + Flow: + 1. Validate token + 2. Check blacklist + 3. Check Redis cache + 4. If cache miss, build from claims (or query DB if needed) + 5. Cache result + + Args: + token: JWT token string + + Returns: + UserContext instance + + Raises: + AuthenticationError: If token is invalid + AuthorizationError: If user status is not ACTIVE + """ + trace_id = get_trace_id() + + # Validate token + claims = await self.validate_token(token) + + user_id = UUID(claims.get("sub") or claims.get("user_id", "")) + if not user_id: + raise AuthenticationError( + "Token missing user_id claim", + trace_id=trace_id, + ) + + # Check Redis cache + if self.redis_client: + cache_key = f"user:context:{user_id}" + cached = await self.redis_client.get(cache_key) + if cached: + try: + import json + + cached_data = json.loads(cached) + context = UserContext(**cached_data) + # Check if still valid (not expired) + if not context.is_expired(): + logger.debug(f"User context cache hit for user {user_id}") + return context + except Exception as e: + logger.warning(f"Failed to parse cached user context: {e}") + + # Build user context from claims + # If postgres_client is available, we could fetch full user data + # For now, build from JWT claims + context = UserContext( + user_id=user_id, + email=claims.get("email", ""), + name=claims.get("name"), + oauth_provider=OAuthProvider(claims.get("oauth_provider", "google")), + status=UserStatus(claims.get("status", "active")), + token_id=claims.get("jti", ""), + issued_at=datetime.fromtimestamp(claims.get("iat", 0), tz=UTC), + expires_at=datetime.fromtimestamp(claims.get("exp", 0), tz=UTC), + session_id=UUID(claims["session_id"]) if claims.get("session_id") else None, + ) + + # Check user status + if not context.is_active(): + raise AuthorizationError( + f"User status is {context.status.value}, not ACTIVE", + trace_id=trace_id, + user_id=user_id, + ) + + # Cache with TTL + if self.redis_client: + cache_key = f"user:context:{user_id}" + try: + import json + + await self.redis_client.setex( + cache_key, + self.cache_ttl, + json.dumps(context.model_dump(), default=str), + ) + except Exception as e: + logger.warning(f"Failed to cache user context: {e}") + + return context + + async def generate_tokens( + self, + user: User, + ip_address: str | None = None, + user_agent: str | None = None, + ) -> tuple[str, str]: + """ + Generate access token and refresh token. + + Args: + user: User model instance + ip_address: Client IP address (optional) + user_agent: Client user agent (optional) + + Returns: + Tuple of (access_token, refresh_token) + + Raises: + ValueError: If private_key not provided + """ + if not self.private_key: + raise ValueError("private_key required for token generation") + + trace_id = get_trace_id() + now = datetime.now(UTC) + + # Generate JWT ID for access token + access_jti = str(uuid4()) + + # Access token claims + access_token_claims = { + "sub": str(user.user_id), + "user_id": str(user.user_id), + "email": user.email, + "name": user.name, + "oauth_provider": user.oauth_provider.value, + "status": user.status.value, + "jti": access_jti, + "iat": int(now.timestamp()), + "exp": int((now + timedelta(seconds=self.access_token_ttl)).timestamp()), + "type": "access", + } + + # Sign access token + access_token = jwt.encode( + access_token_claims, + self.private_key, + algorithm=self.algorithm, + ) + + # Generate refresh token + refresh_token_value = secrets.token_urlsafe(32) + refresh_token_id = uuid4() + refresh_token_hash = hashlib.sha256(refresh_token_value.encode()).hexdigest() + + expires_at = now + timedelta(seconds=self.refresh_token_ttl) + + # Create refresh token model + refresh_token = RefreshToken( + token_id=refresh_token_id, + user_id=user.user_id, + token_hash=refresh_token_hash, + expires_at=expires_at, + created_at=now, + ip_address=ip_address, + user_agent=user_agent, + ) + + # Store refresh token in database + if self.postgres_client: + try: + await self.postgres_client.create_refresh_token(refresh_token) + except Exception as e: + logger.error(f"Failed to store refresh token: {e}") + raise + + logger.info( + f"Generated tokens for user {user.user_id}", + extra={"trace_id": trace_id, "user_id": str(user.user_id)}, + ) + + return access_token, refresh_token_value + + async def refresh_tokens( + self, + refresh_token: str, + ip_address: str | None = None, + ) -> tuple[str, str]: + """ + Refresh tokens with rotation. + + Flow: + 1. Hash refresh token and find in database + 2. Check if expired or rotated + 3. Get user and check status + 4. Generate new tokens + 5. Mark old token as rotated + 6. Blacklist old access token jti (if available) + + Args: + refresh_token: Current refresh token string + ip_address: Client IP address (optional) + + Returns: + Tuple of (new_access_token, new_refresh_token) + + Raises: + AuthenticationError: If refresh token is invalid or expired + AuthorizationError: If user is not active + ValueError: If postgres_client not available + """ + if not self.postgres_client: + raise ValueError("postgres_client required for token refresh") + + trace_id = get_trace_id() + + # Hash refresh token + token_hash = hashlib.sha256(refresh_token.encode()).hexdigest() + + # Find refresh token in database + stored_token = await self.postgres_client.get_refresh_token(token_hash) + if not stored_token: + raise AuthenticationError( + "Refresh token not found", + trace_id=trace_id, + ) + + # Check if expired or rotated + if not stored_token.is_valid(): + raise AuthenticationError( + "Refresh token expired or rotated", + trace_id=trace_id, + user_id=stored_token.user_id, + ) + + # Get user + user = await self.postgres_client.get_user(stored_token.user_id) + if not user: + raise AuthenticationError( + "User not found", + trace_id=trace_id, + user_id=stored_token.user_id, + ) + + # Check user status + if not user.is_active(): + raise AuthorizationError( + f"User status is {user.status.value}, not ACTIVE", + trace_id=trace_id, + user_id=user.user_id, + ) + + # Generate new tokens + new_access_token, new_refresh_token = await self.generate_tokens( + user, ip_address=ip_address + ) + + # Mark old token as rotated + new_refresh_token_hash = hashlib.sha256(new_refresh_token.encode()).hexdigest() + new_refresh_token_model = RefreshToken( + token_id=uuid4(), + user_id=user.user_id, + token_hash=new_refresh_token_hash, + expires_at=datetime.now(UTC) + timedelta(seconds=self.refresh_token_ttl), + created_at=datetime.now(UTC), + previous_token_id=stored_token.token_id, + rotated_at=datetime.now(UTC), + ) + + await self.postgres_client.rotate_refresh_token( + stored_token.token_id, new_refresh_token_model + ) + + logger.info( + f"Refreshed tokens for user {user.user_id}", + extra={"trace_id": trace_id, "user_id": str(user.user_id)}, + ) + + return new_access_token, new_refresh_token + + async def blacklist_token( + self, + jti: str, + user_id: UUID, + reason: TokenRevocationReason, + expires_at: datetime, + ip_address: str | None = None, + ) -> None: + """ + Add token to blacklist (Redis + PostgreSQL). + + Args: + jti: JWT ID (jti claim) + user_id: User ID who owns the token + reason: Revocation reason + expires_at: Original token expiration time + ip_address: IP address where revocation occurred (optional) + """ + trace_id = get_trace_id() + + # Create blacklist entry + entry = TokenBlacklistEntry( + token_id=jti, + user_id=user_id, + revoked_at=datetime.now(UTC), + expires_at=expires_at, + reason=reason, + ip_address=ip_address, + ) + + # Store in Redis (fast lookup) + if self.redis_client: + redis_key = f"blacklist:{jti}" + ttl = int((expires_at - datetime.now(UTC)).total_seconds()) + if ttl > 0: + try: + await self.redis_client.setex(redis_key, ttl, "1") + except Exception as e: + logger.warning(f"Failed to blacklist token in Redis: {e}") + + # Store in PostgreSQL (persistence) + if self.postgres_client: + try: + await self.postgres_client.create_token_blacklist_entry(entry) + except Exception as e: + logger.warning(f"Failed to blacklist token in Postgres: {e}") + + logger.info( + f"Token blacklisted: {jti}", + extra={ + "trace_id": trace_id, + "user_id": str(user_id), + "reason": reason.value, + }, + ) + + async def is_blacklisted(self, jti: str) -> bool: + """ + Check if token is blacklisted (Redis fast lookup). + + Args: + jti: JWT ID (jti claim) + + Returns: + True if token is blacklisted + """ + if not self.redis_client: + # If Redis not available, check Postgres + # This is slower but works as fallback + if self.postgres_client: + # For now, return False if Redis unavailable + # Full implementation would query Postgres + return False + return False + + redis_key = f"blacklist:{jti}" + exists = await self.redis_client.exists(redis_key) + return exists + + async def logout( + self, + token: str, + ip_address: str | None = None, + ) -> None: + """ + Logout user. + + Flow: + 1. Extract jti from token + 2. Blacklist token + 3. Delete all refresh tokens for user + 4. Invalidate user context cache + + Args: + token: JWT access token + ip_address: IP address where logout occurred (optional) + """ + trace_id = get_trace_id() + + try: + # Validate token to extract claims + claims = await self.validate_token(token) + jti = claims.get("jti") + user_id = UUID(claims.get("sub") or claims.get("user_id", "")) + expires_at = datetime.fromtimestamp(claims.get("exp", 0), tz=UTC) + + if jti: + # Blacklist token + await self.blacklist_token( + jti, + user_id, + TokenRevocationReason.LOGOUT, + expires_at, + ip_address, + ) + + # Delete all refresh tokens for user + if self.postgres_client: + try: + await self.postgres_client.delete_user_refresh_tokens(user_id) + except Exception as e: + logger.warning(f"Failed to delete refresh tokens: {e}") + + # Invalidate user context cache + if self.redis_client: + cache_key = f"user:context:{user_id}" + try: + await self.redis_client.delete(cache_key) + except Exception as e: + logger.warning(f"Failed to invalidate cache: {e}") + + logger.info( + f"User logged out: {user_id}", + extra={"trace_id": trace_id, "user_id": str(user_id)}, + ) + + except AuthenticationError: + # If token is invalid, still try to clean up if we have user_id + # This handles edge cases where token is expired but logout is called + logger.warning( + "Logout called with invalid token, cleanup may be incomplete" + ) + + def generate_trace_id(self) -> str: + """ + Generate unique trace ID for request. + + Returns: + UUID string as trace ID + """ + return str(uuid4()) diff --git a/core/exceptions.py b/core/exceptions.py new file mode 100644 index 0000000..0c6d926 --- /dev/null +++ b/core/exceptions.py @@ -0,0 +1,401 @@ +""" +Custom exception hierarchy for NeroSpatial Backend. + +All exceptions inherit from NeroSpatialException and include +trace_id and user_id context for distributed tracing. +""" + +from typing import Any +from uuid import UUID + + +class NeroSpatialException(Exception): + """ + Base exception for all NeroSpatial errors. + + Includes trace_id and user_id context for distributed tracing. + + Attributes: + message: Human-readable error message + trace_id: Distributed trace ID for request tracking + user_id: User ID associated with the error (if applicable) + context: Additional context as key-value pairs + """ + + def __init__( + self, + message: str, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize exception. + + Args: + message: Error message + trace_id: Distributed trace ID + user_id: User ID (if applicable) + **kwargs: Additional context fields + """ + self.message = message + self.trace_id = trace_id + self.user_id = user_id + self.context = kwargs + super().__init__(self.message) + + def __str__(self) -> str: + """Format exception as string with context.""" + parts = [self.message] + if self.trace_id: + parts.append(f"trace_id={self.trace_id}") + if self.user_id: + parts.append(f"user_id={self.user_id}") + if self.context: + context_str = ", ".join(f"{k}={v}" for k, v in self.context.items()) + parts.append(f"context=({context_str})") + return " | ".join(parts) + + def __repr__(self) -> str: + """Return detailed representation.""" + return ( + f"{self.__class__.__name__}(" + f"message={self.message!r}, " + f"trace_id={self.trace_id!r}, " + f"user_id={self.user_id!r}, " + f"context={self.context!r})" + ) + + +class AuthenticationError(NeroSpatialException): + """ + JWT validation failed or token expired. + + Raised when: + - Token signature is invalid + - Token is expired + - Token is malformed + - Token is blacklisted + """ + + pass + + +class AuthorizationError(NeroSpatialException): + """ + User lacks required permissions or status. + + Raised when: + - User status is not ACTIVE + - User lacks required permission (future RBAC) + - Account is suspended/blacklisted + """ + + pass + + +class SessionExpiredError(NeroSpatialException): + """ + Session TTL expired in Redis. + + Raised when: + - Session last_activity exceeds TTL + - Session not found in Redis (may also raise SessionNotFoundError) + """ + + def __init__( + self, + session_id: UUID, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize session expired error. + + Args: + session_id: Expired session ID + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.session_id = session_id + super().__init__( + f"Session {session_id} has expired", + trace_id=trace_id, + user_id=user_id, + session_id=str(session_id), + **kwargs, + ) + + +class SessionNotFoundError(NeroSpatialException): + """ + Session not found in Redis. + + Raised when: + - Session ID doesn't exist in Redis + - Session was deleted + """ + + def __init__( + self, + session_id: UUID, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize session not found error. + + Args: + session_id: Missing session ID + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.session_id = session_id + super().__init__( + f"Session {session_id} not found", + trace_id=trace_id, + user_id=user_id, + session_id=str(session_id), + **kwargs, + ) + + +class VLMTimeoutError(NeroSpatialException): + """ + VLM inference exceeded timeout threshold. + + Raised when: + - VLM processing takes longer than configured timeout + - VLM service is unresponsive + """ + + def __init__( + self, + timeout_ms: int, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize VLM timeout error. + + Args: + timeout_ms: Timeout threshold in milliseconds + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.timeout_ms = timeout_ms + super().__init__( + f"VLM inference timeout after {timeout_ms}ms", + trace_id=trace_id, + user_id=user_id, + timeout_ms=timeout_ms, + **kwargs, + ) + + +class LLMProviderError(NeroSpatialException): + """ + LLM API call failed (network, rate limit, etc.). + + Raised when: + - LLM API returns error status + - Network timeout + - Rate limit exceeded + - Provider service unavailable + """ + + def __init__( + self, + message: str, + provider: str, + status_code: int | None = None, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize LLM provider error. + + Args: + message: Error message + provider: LLM provider name (e.g., "groq", "gemini") + status_code: HTTP status code (if applicable) + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.provider = provider + self.status_code = status_code + super().__init__( + f"{provider}: {message}", + trace_id=trace_id, + user_id=user_id, + provider=provider, + status_code=status_code, + **kwargs, + ) + + +class CircuitBreakerOpenError(NeroSpatialException): + """ + Circuit breaker is open, provider unavailable. + + Raised when: + - Circuit breaker state is OPEN + - Too many failures detected + - Provider marked as unhealthy + """ + + def __init__( + self, + provider: str, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize circuit breaker error. + + Args: + provider: Provider name (e.g., "groq", "gemini") + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.provider = provider + super().__init__( + f"Circuit breaker open for {provider}", + trace_id=trace_id, + user_id=user_id, + provider=provider, + **kwargs, + ) + + +class DatabaseError(NeroSpatialException): + """ + Database operation failed. + + Raised when: + - Connection failure + - Query execution error + - Transaction rollback + - Constraint violation + """ + + def __init__( + self, + message: str, + db_type: str, + operation: str, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize database error. + + Args: + message: Error message + db_type: Database type (e.g., "postgres", "redis", "cassandra") + operation: Operation that failed (e.g., "get_user", "create_session") + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.db_type = db_type + self.operation = operation + super().__init__( + f"{db_type} {operation} failed: {message}", + trace_id=trace_id, + user_id=user_id, + db_type=db_type, + operation=operation, + **kwargs, + ) + + +class RateLimitExceeded(NeroSpatialException): + """ + User exceeded rate limit. + + Raised when: + - Request count exceeds limit in time window + - User account locked due to rate limit violations + """ + + def __init__( + self, + message: str, + limit: int, + window_seconds: int, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize rate limit error. + + Args: + message: Error message + limit: Rate limit value + window_seconds: Time window in seconds + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.limit = limit + self.window_seconds = window_seconds + super().__init__( + f"Rate limit exceeded: {limit} per {window_seconds}s - {message}", + trace_id=trace_id, + user_id=user_id, + limit=limit, + window_seconds=window_seconds, + **kwargs, + ) + + +class ValidationError(NeroSpatialException): + """ + Input validation failed. + + Raised when: + - Invalid input format + - Missing required fields + - Value out of range + - Type mismatch + """ + + def __init__( + self, + message: str, + field: str | None = None, + trace_id: str | None = None, + user_id: UUID | None = None, + **kwargs: Any, + ): + """ + Initialize validation error. + + Args: + message: Error message + field: Field name that failed validation (if applicable) + trace_id: Distributed trace ID + user_id: User ID + **kwargs: Additional context + """ + self.field = field + super().__init__( + message, + trace_id=trace_id, + user_id=user_id, + field=field, + **kwargs, + ) diff --git a/core/telemetry.py b/core/telemetry.py new file mode 100644 index 0000000..808acea --- /dev/null +++ b/core/telemetry.py @@ -0,0 +1,254 @@ +""" +OpenTelemetry instrumentation for distributed tracing and metrics. + +Provides telemetry setup, span creation, and metric recording helpers. +""" + +from typing import Any + +from opentelemetry import metrics, trace +from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import OTLPMetricExporter +from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import OTLPSpanExporter +from opentelemetry.sdk.metrics import MeterProvider +from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader +from opentelemetry.sdk.resources import Resource +from opentelemetry.sdk.trace import TracerProvider +from opentelemetry.sdk.trace.export import BatchSpanProcessor + +from core.logger import get_logger + +logger = get_logger(__name__) + + +class TelemetryManager: + """ + OpenTelemetry instrumentation manager. + + Handles distributed tracing, metrics, and logging integration. + """ + + def __init__( + self, + service_name: str, + otlp_endpoint: str, + environment: str = "production", + enable_tracing: bool = True, + enable_metrics: bool = True, + ): + """ + Initialize telemetry. + + Args: + service_name: Service name (e.g., "nerospatial-gateway") + otlp_endpoint: OTLP gRPC endpoint (e.g., "http://jaeger:4317") + environment: Deployment environment (e.g., "production", "development") + enable_tracing: Enable distributed tracing + enable_metrics: Enable metrics collection + """ + self.service_name = service_name + self.otlp_endpoint = otlp_endpoint + self.environment = environment + self.enable_tracing = enable_tracing + self.enable_metrics = enable_metrics + + # Create resource with service metadata + self.resource = Resource.create( + { + "service.name": service_name, + "service.environment": environment, + } + ) + + # Initialize tracing + if enable_tracing: + self._setup_tracing() + + # Initialize metrics + if enable_metrics: + self._setup_metrics() + + logger.info( + f"TelemetryManager initialized: service={service_name}, " + f"endpoint={otlp_endpoint}, env={environment}" + ) + + def _setup_tracing(self) -> None: + """Setup OpenTelemetry tracing.""" + try: + # Create tracer provider + self.tracer_provider = TracerProvider(resource=self.resource) + + # Create OTLP exporter + otlp_exporter = OTLPSpanExporter(endpoint=self.otlp_endpoint, insecure=True) + + # Create batch span processor + span_processor = BatchSpanProcessor(otlp_exporter) + self.tracer_provider.add_span_processor(span_processor) + + # Set global tracer provider + trace.set_tracer_provider(self.tracer_provider) + + logger.info("Tracing initialized") + except Exception as e: + logger.warning(f"Failed to initialize tracing: {e}") + self.enable_tracing = False + + def _setup_metrics(self) -> None: + """Setup OpenTelemetry metrics.""" + try: + # Create metric reader with periodic export + metric_reader = PeriodicExportingMetricReader( + OTLPMetricExporter(endpoint=self.otlp_endpoint, insecure=True), + export_interval_millis=5000, # Export every 5 seconds + ) + + # Create meter provider + self.meter_provider = MeterProvider( + resource=self.resource, + metric_readers=[metric_reader], + ) + + # Set global meter provider + metrics.set_meter_provider(self.meter_provider) + + logger.info("Metrics initialized") + except Exception as e: + logger.warning(f"Failed to initialize metrics: {e}") + self.enable_metrics = False + + def get_tracer(self, name: str | None = None) -> trace.Tracer: + """ + Get tracer for specific module. + + Args: + name: Tracer name (defaults to service_name) + + Returns: + Tracer instance + """ + if not self.enable_tracing: + # Return no-op tracer if tracing disabled + return trace.NoOpTracer() + + tracer_name = name or self.service_name + return trace.get_tracer(tracer_name) + + def get_meter(self, name: str | None = None) -> metrics.Meter: + """ + Get meter for metrics. + + Args: + name: Meter name (defaults to service_name) + + Returns: + Meter instance + """ + meter_name = name or self.service_name + # Always return a meter (it will be no-op if metrics disabled) + # OpenTelemetry doesn't have NoOpMeter, but meters are safe to use when disabled + return metrics.get_meter(meter_name) + + def create_span( + self, + name: str, + tracer_name: str | None = None, + attributes: dict[str, Any] | None = None, + ) -> trace.Span: + """ + Create span with optional attributes. + + Args: + name: Span name + tracer_name: Tracer name (defaults to service_name) + attributes: Span attributes (key-value pairs) + + Returns: + Span instance + """ + tracer = self.get_tracer(tracer_name) + span = tracer.start_span(name) + + if attributes: + for key, value in attributes.items(): + span.set_attribute(key, str(value)) + + return span + + def record_metric( + self, + name: str, + value: float, + tags: dict[str, str] | None = None, + metric_type: str = "histogram", + ) -> None: + """ + Record custom metric. + + Args: + name: Metric name + value: Metric value + tags: Metric tags/labels (key-value pairs) + metric_type: Metric type ("histogram", "counter", "gauge") + """ + if not self.enable_metrics: + return + + meter = self.get_meter() + tags = tags or {} + + try: + if metric_type == "histogram": + histogram = meter.create_histogram(name) + histogram.record(value, tags) + elif metric_type == "counter": + counter = meter.create_counter(name) + counter.add(int(value), tags) + elif metric_type == "gauge": + gauge = meter.create_up_down_counter(name) + gauge.add(int(value), tags) + else: + logger.warning(f"Unknown metric type: {metric_type}") + except Exception as e: + logger.warning(f"Failed to record metric {name}: {e}") + + def shutdown(self) -> None: + """Shutdown telemetry (flush and close exporters).""" + try: + if self.enable_tracing and hasattr(self, "tracer_provider"): + self.tracer_provider.shutdown() + + if self.enable_metrics and hasattr(self, "meter_provider"): + self.meter_provider.shutdown() + + logger.info("TelemetryManager shut down") + except Exception as e: + logger.warning(f"Error during telemetry shutdown: {e}") + + +# Predefined metric names +class Metrics: + """Predefined metric names for consistency.""" + + # Request metrics + REQUEST_DURATION = "nerospatial_request_duration_seconds" + REQUESTS_TOTAL = "nerospatial_requests_total" + + # WebSocket metrics + WEBSOCKET_CONNECTIONS = "nerospatial_websocket_connections" + + # LLM metrics + LLM_TTFT = "nerospatial_llm_ttft_seconds" # Time to first token + LLM_ERRORS = "nerospatial_llm_errors_total" + LLM_TOKENS = "nerospatial_llm_tokens_total" + + # VLM metrics + VLM_INFERENCE = "nerospatial_vlm_inference_seconds" + VLM_QUEUE_DEPTH = "nerospatial_vlm_queue_depth" + + # Database metrics + DB_QUERY_DURATION = "nerospatial_db_query_duration_seconds" + DB_CONNECTIONS = "nerospatial_db_connections" + + # Auth metrics + AUTH_LOGIN_TOTAL = "nerospatial_auth_login_total" + AUTH_TOKEN_VALIDATION = "nerospatial_auth_token_validation_total" diff --git a/pyproject.toml b/pyproject.toml index 194d75d..a8b348b 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -12,6 +12,16 @@ dependencies = [ "azure-core>=1.36.0", "azure-identity>=1.25.0", "azure-keyvault-secrets>=4.10.0", + # JWT authentication + "pyjwt>=2.8.0", + "cryptography>=41.0.0", + # OpenTelemetry + "opentelemetry-api>=1.20.0", + "opentelemetry-sdk>=1.20.0", + "opentelemetry-exporter-otlp-proto-grpc>=1.20.0", + # Database clients (for auth and future memory module) + "aioredis>=2.0.0", + "asyncpg>=0.29.0", ] [project.optional-dependencies] diff --git a/tests/test_auth.py b/tests/test_auth.py new file mode 100644 index 0000000..388f5db --- /dev/null +++ b/tests/test_auth.py @@ -0,0 +1,481 @@ +"""Unit tests for core auth module.""" + +import hashlib +from datetime import UTC, datetime, timedelta +from uuid import uuid4 + +import jwt +import pytest +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric import rsa + +from core.auth import JWTAuth +from core.exceptions import AuthenticationError, AuthorizationError +from core.models import ( + OAuthProvider, + RefreshToken, + TokenRevocationReason, + User, + UserStatus, +) + + +# Generate test RSA keys (module-level for reuse) +def _generate_test_keys(): + """Generate RSA key pair for testing.""" + private_key = rsa.generate_private_key(public_exponent=65537, key_size=2048) + public_key = private_key.public_key() + + private_pem = private_key.private_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PrivateFormat.PKCS8, + encryption_algorithm=serialization.NoEncryption(), + ).decode() + + public_pem = public_key.public_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PublicFormat.SubjectPublicKeyInfo, + ).decode() + + return private_pem, public_pem + + +PRIVATE_KEY, PUBLIC_KEY = _generate_test_keys() + + +class MockRedisClient: + """Mock Redis client for testing.""" + + def __init__(self): + self.data: dict[str, str] = {} + self.ttls: dict[str, int] = {} + + async def get(self, key: str) -> str | None: + """Get value from mock Redis.""" + return self.data.get(key) + + async def setex(self, key: str, ttl: int, value: str) -> None: + """Set value with TTL.""" + self.data[key] = value + self.ttls[key] = ttl + + async def delete(self, key: str) -> None: + """Delete key.""" + self.data.pop(key, None) + self.ttls.pop(key, None) + + async def exists(self, key: str) -> bool: + """Check if key exists.""" + return key in self.data + + +class MockPostgresClient: + """Mock Postgres client for testing.""" + + def __init__(self): + self.users: dict[str, User] = {} + self.refresh_tokens: dict[str, RefreshToken] = {} + self.blacklist_entries: list = [] + + async def get_user(self, user_id: uuid4) -> User | None: + """Get user by ID.""" + return self.users.get(str(user_id)) + + async def get_user_by_email(self, email: str) -> User | None: + """Get user by email.""" + for user in self.users.values(): + if user.email == email: + return user + return None + + async def create_refresh_token(self, token: RefreshToken) -> None: + """Create refresh token.""" + self.refresh_tokens[token.token_hash] = token + + async def get_refresh_token(self, token_hash: str) -> RefreshToken | None: + """Get refresh token by hash.""" + return self.refresh_tokens.get(token_hash) + + async def rotate_refresh_token( + self, old_token_id: uuid4, new_token: RefreshToken + ) -> None: + """Rotate refresh token.""" + # Mark old token as rotated + for hash_key, token in list(self.refresh_tokens.items()): + if token.token_id == old_token_id: + # Create new token with rotated_at set + rotated_token = RefreshToken( + **{**token.model_dump(), "rotated_at": datetime.now(UTC)} + ) + # Update in dict + self.refresh_tokens[hash_key] = rotated_token + # Add new token + self.refresh_tokens[new_token.token_hash] = new_token + + async def delete_user_refresh_tokens(self, user_id: uuid4) -> None: + """Delete all refresh tokens for user.""" + to_delete = [ + hash + for hash, token in self.refresh_tokens.items() + if token.user_id == user_id + ] + for hash in to_delete: + del self.refresh_tokens[hash] + + async def create_token_blacklist_entry(self, entry) -> None: + """Create blacklist entry.""" + self.blacklist_entries.append(entry) + + +@pytest.fixture +def mock_redis(): + """Create mock Redis client.""" + return MockRedisClient() + + +@pytest.fixture +def mock_postgres(): + """Create mock Postgres client.""" + return MockPostgresClient() + + +@pytest.fixture +def auth_with_clients(mock_redis, mock_postgres): + """Create JWTAuth with mock clients.""" + return JWTAuth( + private_key=PRIVATE_KEY, + public_key=PUBLIC_KEY, + redis_client=mock_redis, + postgres_client=mock_postgres, + ) + + +@pytest.fixture +def auth_no_clients(): + """Create JWTAuth without clients.""" + return JWTAuth(public_key=PUBLIC_KEY) + + +@pytest.fixture +def test_user(): + """Create test user.""" + now = datetime.now(UTC) + return User( + user_id=uuid4(), + email="test@example.com", + name="Test User", + oauth_provider=OAuthProvider.GOOGLE, + status=UserStatus.ACTIVE, + created_at=now, + updated_at=now, + ) + + +@pytest.mark.asyncio +async def test_validate_token_valid(auth_no_clients, test_user): + """Test validating a valid token.""" + # Generate token + now = datetime.now(UTC) + claims = { + "sub": str(test_user.user_id), + "user_id": str(test_user.user_id), + "email": test_user.email, + "iat": int(now.timestamp()), + "exp": int((now + timedelta(seconds=900)).timestamp()), + "jti": str(uuid4()), + } + token = jwt.encode(claims, PRIVATE_KEY, algorithm="RS256") + + # Validate + decoded = await auth_no_clients.validate_token(token) + assert decoded["sub"] == str(test_user.user_id) + assert decoded["email"] == test_user.email + + +@pytest.mark.asyncio +async def test_validate_token_expired(auth_no_clients, test_user): + """Test validating an expired token.""" + # Generate expired token + now = datetime.now(UTC) + claims = { + "sub": str(test_user.user_id), + "iat": int((now - timedelta(hours=1)).timestamp()), + "exp": int((now - timedelta(minutes=1)).timestamp()), + "jti": str(uuid4()), + } + token = jwt.encode(claims, PRIVATE_KEY, algorithm="RS256") + + # Should raise AuthenticationError + with pytest.raises(AuthenticationError, match="expired"): + await auth_no_clients.validate_token(token) + + +@pytest.mark.asyncio +async def test_validate_token_invalid_signature(auth_no_clients): + """Test validating token with invalid signature.""" + # Generate token with different key + other_private, _ = _generate_test_keys() + claims = {"sub": str(uuid4()), "iat": int(datetime.now(UTC).timestamp())} + token = jwt.encode(claims, other_private, algorithm="RS256") + + # Should raise AuthenticationError + with pytest.raises(AuthenticationError, match="Invalid token"): + await auth_no_clients.validate_token(token) + + +@pytest.mark.asyncio +async def test_validate_token_blacklisted(auth_with_clients, test_user): + """Test validating a blacklisted token.""" + # Generate token + now = datetime.now(UTC) + jti = str(uuid4()) + claims = { + "sub": str(test_user.user_id), + "iat": int(now.timestamp()), + "exp": int((now + timedelta(seconds=900)).timestamp()), + "jti": jti, + } + token = jwt.encode(claims, PRIVATE_KEY, algorithm="RS256") + + # Blacklist token + expires_at = now + timedelta(seconds=900) + await auth_with_clients.blacklist_token( + jti, test_user.user_id, TokenRevocationReason.LOGOUT, expires_at + ) + + # Should raise AuthenticationError + with pytest.raises(AuthenticationError, match="blacklisted"): + await auth_with_clients.validate_token(token) + + +@pytest.mark.asyncio +async def test_extract_user_context(auth_with_clients, test_user): + """Test extracting user context from token.""" + # Generate token + now = datetime.now(UTC) + claims = { + "sub": str(test_user.user_id), + "user_id": str(test_user.user_id), + "email": test_user.email, + "name": test_user.name, + "oauth_provider": test_user.oauth_provider.value, + "status": test_user.status.value, + "jti": str(uuid4()), + "iat": int(now.timestamp()), + "exp": int((now + timedelta(seconds=900)).timestamp()), + } + token = jwt.encode(claims, PRIVATE_KEY, algorithm="RS256") + + # Extract context + context = await auth_with_clients.extract_user_context(token) + + assert context.user_id == test_user.user_id + assert context.email == test_user.email + assert context.name == test_user.name + assert context.oauth_provider == test_user.oauth_provider + assert context.status == test_user.status + + +@pytest.mark.asyncio +async def test_extract_user_context_cached(auth_with_clients, test_user): + """Test that user context is cached.""" + # Generate token + now = datetime.now(UTC) + claims = { + "sub": str(test_user.user_id), + "user_id": str(test_user.user_id), + "email": test_user.email, + "oauth_provider": test_user.oauth_provider.value, + "status": test_user.status.value, + "jti": str(uuid4()), + "iat": int(now.timestamp()), + "exp": int((now + timedelta(seconds=900)).timestamp()), + } + token = jwt.encode(claims, PRIVATE_KEY, algorithm="RS256") + + # First call - should cache + context1 = await auth_with_clients.extract_user_context(token) + assert context1.user_id == test_user.user_id + + # Second call - should use cache + context2 = await auth_with_clients.extract_user_context(token) + assert context2.user_id == test_user.user_id + + # Verify cache was used + cache_key = f"user:context:{test_user.user_id}" + cached = await auth_with_clients.redis_client.get(cache_key) + assert cached is not None + + +@pytest.mark.asyncio +async def test_extract_user_context_inactive_user(auth_with_clients, test_user): + """Test extracting context for inactive user.""" + # Generate token with suspended status + now = datetime.now(UTC) + claims = { + "sub": str(test_user.user_id), + "user_id": str(test_user.user_id), + "email": test_user.email, + "oauth_provider": test_user.oauth_provider.value, + "status": UserStatus.SUSPENDED.value, + "jti": str(uuid4()), + "iat": int(now.timestamp()), + "exp": int((now + timedelta(seconds=900)).timestamp()), + } + token = jwt.encode(claims, PRIVATE_KEY, algorithm="RS256") + + # Should raise AuthorizationError + with pytest.raises(AuthorizationError, match="not ACTIVE"): + await auth_with_clients.extract_user_context(token) + + +@pytest.mark.asyncio +async def test_generate_tokens(auth_with_clients, test_user): + """Test token generation.""" + access_token, refresh_token = await auth_with_clients.generate_tokens(test_user) + + # Verify access token + decoded = jwt.decode(access_token, PUBLIC_KEY, algorithms=["RS256"]) + assert decoded["sub"] == str(test_user.user_id) + assert decoded["email"] == test_user.email + assert decoded["type"] == "access" + + # Verify refresh token was stored + token_hash = hashlib.sha256(refresh_token.encode()).hexdigest() + stored = await auth_with_clients.postgres_client.get_refresh_token(token_hash) + assert stored is not None + assert stored.user_id == test_user.user_id + + +@pytest.mark.asyncio +async def test_generate_tokens_no_private_key(auth_no_clients, test_user): + """Test token generation without private key.""" + with pytest.raises(ValueError, match="private_key required"): + await auth_no_clients.generate_tokens(test_user) + + +@pytest.mark.asyncio +async def test_refresh_tokens(auth_with_clients, test_user, mock_postgres): + """Test token refresh with rotation.""" + # Store user in mock postgres (needed for refresh) + mock_postgres.users[str(test_user.user_id)] = test_user + + # Generate initial tokens + access_token, refresh_token = await auth_with_clients.generate_tokens(test_user) + + # Refresh tokens + new_access_token, new_refresh_token = await auth_with_clients.refresh_tokens( + refresh_token + ) + + # Verify new tokens are different + assert new_access_token != access_token + assert new_refresh_token != refresh_token + + # Verify old refresh token is marked as rotated + old_hash = hashlib.sha256(refresh_token.encode()).hexdigest() + old_token = await auth_with_clients.postgres_client.get_refresh_token(old_hash) + assert old_token is not None + assert old_token.is_rotated() + + +@pytest.mark.asyncio +async def test_refresh_tokens_invalid(auth_with_clients): + """Test refreshing with invalid token.""" + with pytest.raises(AuthenticationError, match="not found"): + await auth_with_clients.refresh_tokens("invalid_token") + + +@pytest.mark.asyncio +async def test_blacklist_token(auth_with_clients, test_user): + """Test token blacklisting.""" + jti = str(uuid4()) + expires_at = datetime.now(UTC) + timedelta(seconds=900) + + await auth_with_clients.blacklist_token( + jti, test_user.user_id, TokenRevocationReason.LOGOUT, expires_at + ) + + # Verify in Redis + is_blacklisted = await auth_with_clients.is_blacklisted(jti) + assert is_blacklisted is True + + +@pytest.mark.asyncio +async def test_is_blacklisted_false(auth_with_clients): + """Test checking non-blacklisted token.""" + jti = str(uuid4()) + is_blacklisted = await auth_with_clients.is_blacklisted(jti) + assert is_blacklisted is False + + +@pytest.mark.asyncio +async def test_logout(auth_with_clients, test_user): + """Test logout flow.""" + # Generate tokens + access_token, refresh_token = await auth_with_clients.generate_tokens(test_user) + + # Logout + await auth_with_clients.logout(access_token) + + # Verify token is blacklisted + decoded = jwt.decode( + access_token, PUBLIC_KEY, algorithms=["RS256"], options={"verify_exp": False} + ) + jti = decoded.get("jti") + if jti: + is_blacklisted = await auth_with_clients.is_blacklisted(jti) + assert is_blacklisted is True + + # Verify refresh tokens deleted + token_hash = hashlib.sha256(refresh_token.encode()).hexdigest() + stored = await auth_with_clients.postgres_client.get_refresh_token(token_hash) + assert stored is None + + # Verify cache invalidated + cache_key = f"user:context:{test_user.user_id}" + cached = await auth_with_clients.redis_client.get(cache_key) + assert cached is None + + +@pytest.mark.asyncio +async def test_generate_trace_id(auth_no_clients): + """Test trace ID generation.""" + trace_id = auth_no_clients.generate_trace_id() + assert isinstance(trace_id, str) + assert len(trace_id) > 0 + # Should be UUID format + uuid4() # This will validate the format if it's a valid UUID string + # Just check it's a string that can be converted + try: + uuid4() # If trace_id is valid UUID string, this works + except Exception: + pass # Not a strict UUID check, just format validation + + +def test_auth_init_with_public_key(): + """Test JWTAuth initialization with public key.""" + auth = JWTAuth(public_key=PUBLIC_KEY) + assert auth.public_key == PUBLIC_KEY + assert auth.jwks_client is None + + +def test_auth_init_with_public_key_url(): + """Test JWTAuth initialization with public key URL.""" + # This would normally connect to a real JWKS endpoint + # For testing, we'll just verify it doesn't crash + try: + auth = JWTAuth(public_key_url="https://example.com/.well-known/jwks.json") + assert auth.public_key is None + assert auth.jwks_client is not None + except Exception: + # JWKS client might fail to connect, that's okay for this test + pass + + +def test_auth_init_no_keys(): + """Test JWTAuth initialization without keys raises error.""" + with pytest.raises( + ValueError, match="Either public_key_url or public_key required" + ): + JWTAuth() diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py new file mode 100644 index 0000000..3b136b3 --- /dev/null +++ b/tests/test_exceptions.py @@ -0,0 +1,209 @@ +"""Unit tests for core exceptions.""" + +from uuid import uuid4 + +from core.exceptions import ( + AuthenticationError, + AuthorizationError, + CircuitBreakerOpenError, + DatabaseError, + LLMProviderError, + NeroSpatialException, + RateLimitExceeded, + SessionExpiredError, + SessionNotFoundError, + ValidationError, + VLMTimeoutError, +) + + +def test_base_exception_creation(): + """Test NeroSpatialException base class.""" + exc = NeroSpatialException("Test error") + assert exc.message == "Test error" + assert exc.trace_id is None + assert exc.user_id is None + assert exc.context == {} + + +def test_base_exception_with_context(): + """Test NeroSpatialException with trace_id and user_id.""" + trace_id = "trace-123" + user_id = uuid4() + exc = NeroSpatialException( + "Test error", trace_id=trace_id, user_id=user_id, extra="value" + ) + assert exc.message == "Test error" + assert exc.trace_id == trace_id + assert exc.user_id == user_id + assert exc.context == {"extra": "value"} + + +def test_base_exception_str(): + """Test exception string representation.""" + trace_id = "trace-123" + user_id = uuid4() + exc = NeroSpatialException( + "Test error", trace_id=trace_id, user_id=user_id, key="value" + ) + str_repr = str(exc) + assert "Test error" in str_repr + assert trace_id in str_repr + assert str(user_id) in str_repr + assert "key=value" in str_repr + + +def test_authentication_error(): + """Test AuthenticationError.""" + exc = AuthenticationError("Invalid token", trace_id="trace-123") + assert exc.message == "Invalid token" + assert exc.trace_id == "trace-123" + assert isinstance(exc, NeroSpatialException) + + +def test_authorization_error(): + """Test AuthorizationError.""" + user_id = uuid4() + exc = AuthorizationError("Access denied", user_id=user_id) + assert exc.message == "Access denied" + assert exc.user_id == user_id + assert isinstance(exc, NeroSpatialException) + + +def test_session_expired_error(): + """Test SessionExpiredError.""" + session_id = uuid4() + exc = SessionExpiredError(session_id, trace_id="trace-123") + assert exc.session_id == session_id + assert f"Session {session_id}" in exc.message + assert exc.trace_id == "trace-123" + assert isinstance(exc, NeroSpatialException) + + +def test_session_not_found_error(): + """Test SessionNotFoundError.""" + session_id = uuid4() + exc = SessionNotFoundError(session_id, trace_id="trace-123") + assert exc.session_id == session_id + assert f"Session {session_id}" in exc.message + assert exc.trace_id == "trace-123" + assert isinstance(exc, NeroSpatialException) + + +def test_vlm_timeout_error(): + """Test VLMTimeoutError.""" + timeout_ms = 5000 + exc = VLMTimeoutError(timeout_ms, trace_id="trace-123") + assert exc.timeout_ms == timeout_ms + assert f"{timeout_ms}ms" in exc.message + assert exc.trace_id == "trace-123" + assert isinstance(exc, NeroSpatialException) + + +def test_llm_provider_error(): + """Test LLMProviderError.""" + provider = "groq" + status_code = 500 + exc = LLMProviderError( + "API error", provider=provider, status_code=status_code, trace_id="trace-123" + ) + assert exc.provider == provider + assert exc.status_code == status_code + assert provider in exc.message + assert isinstance(exc, NeroSpatialException) + + +def test_circuit_breaker_open_error(): + """Test CircuitBreakerOpenError.""" + provider = "gemini" + exc = CircuitBreakerOpenError(provider, trace_id="trace-123") + assert exc.provider == provider + assert provider in exc.message + assert exc.trace_id == "trace-123" + assert isinstance(exc, NeroSpatialException) + + +def test_database_error(): + """Test DatabaseError.""" + db_type = "postgres" + operation = "get_user" + exc = DatabaseError( + "Connection failed", + db_type=db_type, + operation=operation, + trace_id="trace-123", + ) + assert exc.db_type == db_type + assert exc.operation == operation + assert db_type in exc.message + assert operation in exc.message + assert isinstance(exc, NeroSpatialException) + + +def test_rate_limit_exceeded(): + """Test RateLimitExceeded.""" + limit = 100 + window_seconds = 60 + exc = RateLimitExceeded( + "Too many requests", + limit=limit, + window_seconds=window_seconds, + trace_id="trace-123", + ) + assert exc.limit == limit + assert exc.window_seconds == window_seconds + assert str(limit) in exc.message + assert str(window_seconds) in exc.message + assert isinstance(exc, NeroSpatialException) + + +def test_validation_error(): + """Test ValidationError.""" + field = "email" + exc = ValidationError("Invalid format", field=field, trace_id="trace-123") + assert exc.field == field + assert exc.message == "Invalid format" + assert exc.trace_id == "trace-123" + assert isinstance(exc, NeroSpatialException) + + +def test_validation_error_without_field(): + """Test ValidationError without field.""" + exc = ValidationError("Invalid input", trace_id="trace-123") + assert exc.field is None + assert exc.message == "Invalid input" + assert isinstance(exc, NeroSpatialException) + + +def test_exception_repr(): + """Test exception __repr__ method.""" + trace_id = "trace-123" + user_id = uuid4() + exc = NeroSpatialException( + "Test error", trace_id=trace_id, user_id=user_id, key="value" + ) + repr_str = repr(exc) + assert "NeroSpatialException" in repr_str + assert "Test error" in repr_str + assert trace_id in repr_str + assert str(user_id) in repr_str + + +def test_exception_inheritance(): + """Test that all exceptions inherit from NeroSpatialException.""" + exceptions = [ + AuthenticationError("test"), + AuthorizationError("test"), + SessionExpiredError(uuid4()), + SessionNotFoundError(uuid4()), + VLMTimeoutError(1000), + LLMProviderError("test", "groq"), + CircuitBreakerOpenError("groq"), + DatabaseError("test", "postgres", "get_user"), + RateLimitExceeded("test", 100, 60), + ValidationError("test"), + ] + + for exc in exceptions: + assert isinstance(exc, NeroSpatialException) + assert isinstance(exc, Exception) diff --git a/tests/test_telemetry.py b/tests/test_telemetry.py new file mode 100644 index 0000000..824f8ea --- /dev/null +++ b/tests/test_telemetry.py @@ -0,0 +1,208 @@ +"""Unit tests for core telemetry module.""" + + +from core.telemetry import Metrics, TelemetryManager + + +def test_telemetry_manager_init(): + """Test TelemetryManager initialization.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + environment="test", + ) + + assert manager.service_name == "test-service" + assert manager.otlp_endpoint == "http://localhost:4317" + assert manager.environment == "test" + assert manager.enable_tracing is True + assert manager.enable_metrics is True + + +def test_telemetry_manager_init_disabled(): + """Test TelemetryManager with tracing/metrics disabled.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + enable_tracing=False, + enable_metrics=False, + ) + + assert manager.enable_tracing is False + assert manager.enable_metrics is False + + +def test_get_tracer(): + """Test getting tracer.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + tracer = manager.get_tracer() + assert tracer is not None + + # With custom name + custom_tracer = manager.get_tracer("custom-name") + assert custom_tracer is not None + + +def test_get_tracer_disabled(): + """Test getting tracer when tracing is disabled.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + enable_tracing=False, + ) + + tracer = manager.get_tracer() + # Should return no-op tracer + assert tracer is not None + + +def test_get_meter(): + """Test getting meter.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + meter = manager.get_meter() + assert meter is not None + + # With custom name + custom_meter = manager.get_meter("custom-name") + assert custom_meter is not None + + +def test_get_meter_disabled(): + """Test getting meter when metrics is disabled.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + enable_metrics=False, + ) + + meter = manager.get_meter() + # Should return no-op meter + assert meter is not None + + +def test_create_span(): + """Test creating span.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + span = manager.create_span("test-span") + assert span is not None + + # With attributes + span_with_attrs = manager.create_span( + "test-span", attributes={"key": "value", "number": 123} + ) + assert span_with_attrs is not None + + +def test_create_span_with_tracer_name(): + """Test creating span with custom tracer name.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + span = manager.create_span("test-span", tracer_name="custom-tracer") + assert span is not None + + +def test_record_metric_histogram(): + """Test recording histogram metric.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + # Should not raise + manager.record_metric("test_metric", 1.5, metric_type="histogram") + manager.record_metric( + "test_metric", 2.0, tags={"label": "value"}, metric_type="histogram" + ) + + +def test_record_metric_counter(): + """Test recording counter metric.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + # Should not raise + manager.record_metric("test_counter", 1, metric_type="counter") + manager.record_metric( + "test_counter", 2, tags={"label": "value"}, metric_type="counter" + ) + + +def test_record_metric_gauge(): + """Test recording gauge metric.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + # Should not raise + manager.record_metric("test_gauge", 10, metric_type="gauge") + manager.record_metric( + "test_gauge", 20, tags={"label": "value"}, metric_type="gauge" + ) + + +def test_record_metric_disabled(): + """Test recording metric when metrics is disabled.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + enable_metrics=False, + ) + + # Should not raise (no-op) + manager.record_metric("test_metric", 1.0) + + +def test_record_metric_invalid_type(): + """Test recording metric with invalid type.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + # Should not raise (logs warning) + manager.record_metric("test_metric", 1.0, metric_type="invalid_type") + + +def test_shutdown(): + """Test telemetry shutdown.""" + manager = TelemetryManager( + service_name="test-service", + otlp_endpoint="http://localhost:4317", + ) + + # Should not raise + manager.shutdown() + + +def test_metrics_constants(): + """Test Metrics constants.""" + assert Metrics.REQUEST_DURATION == "nerospatial_request_duration_seconds" + assert Metrics.REQUESTS_TOTAL == "nerospatial_requests_total" + assert Metrics.WEBSOCKET_CONNECTIONS == "nerospatial_websocket_connections" + assert Metrics.LLM_TTFT == "nerospatial_llm_ttft_seconds" + assert Metrics.LLM_ERRORS == "nerospatial_llm_errors_total" + assert Metrics.LLM_TOKENS == "nerospatial_llm_tokens_total" + assert Metrics.VLM_INFERENCE == "nerospatial_vlm_inference_seconds" + assert Metrics.VLM_QUEUE_DEPTH == "nerospatial_vlm_queue_depth" + assert Metrics.DB_QUERY_DURATION == "nerospatial_db_query_duration_seconds" + assert Metrics.DB_CONNECTIONS == "nerospatial_db_connections" + assert Metrics.AUTH_LOGIN_TOTAL == "nerospatial_auth_login_total" + assert Metrics.AUTH_TOKEN_VALIDATION == "nerospatial_auth_token_validation_total" diff --git a/uv.lock b/uv.lock index ae32718..2d990f9 100644 --- a/uv.lock +++ b/uv.lock @@ -1,6 +1,23 @@ version = 1 revision = 3 requires-python = ">=3.11" +resolution-markers = [ + "python_full_version >= '3.13'", + "python_full_version < '3.13'", +] + +[[package]] +name = "aioredis" +version = "2.0.1" +source = { registry = 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91c8930f52b74ee9437cf60aae5f478489348a4d Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:01:58 +0530 Subject: [PATCH 07/21] feat(infra): add Docker Compose infrastructure and database schema - Add docker-compose.infra.yml with PostgreSQL, Redis, Jaeger - Add scripts/init-db.sql with complete database schema - Add scripts/generate-keys.sh for JWT key generation - Add scripts/setup-keyvault.sh for Azure Key Vault setup --- docker-compose.infra.yml | 88 ++++++++++++++++++++++ scripts/generate-keys.sh | 42 +++++++++++ scripts/init-db.sql | 154 ++++++++++++++++++++++++++++++++++++++ scripts/setup-keyvault.sh | 141 ++++++++++++++++++++++++++++++++++ 4 files changed, 425 insertions(+) create mode 100644 docker-compose.infra.yml create mode 100755 scripts/generate-keys.sh create mode 100644 scripts/init-db.sql create mode 100755 scripts/setup-keyvault.sh diff --git a/docker-compose.infra.yml b/docker-compose.infra.yml new file mode 100644 index 0000000..491c5fd --- /dev/null +++ b/docker-compose.infra.yml @@ -0,0 +1,88 @@ +# Docker Compose Infrastructure Services +# Local development infrastructure for NeroSpatial Backend + +version: "3.8" + +services: + # ========================================================================== + # PostgreSQL - Primary Database + # ========================================================================== + postgres: + image: postgres:16-alpine + container_name: nerospatial-postgres + environment: + POSTGRES_DB: ${POSTGRES_DB:-nerospatial} + POSTGRES_USER: ${POSTGRES_USER:-nerospatial} + POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-dev-password-change-me} + ports: + - "5432:5432" + volumes: + - postgres_data:/var/lib/postgresql/data + - ./scripts/init-db.sql:/docker-entrypoint-initdb.d/init-db.sql:ro + healthcheck: + test: + [ + "CMD-SHELL", + "pg_isready -U ${POSTGRES_USER:-nerospatial} -d ${POSTGRES_DB:-nerospatial}", + ] + interval: 10s + timeout: 5s + retries: 5 + start_period: 5s + restart: unless-stopped + networks: + - nerospatial-network + + # ========================================================================== + # Redis - Cache, Sessions, Rate Limiting + # ========================================================================== + redis: + image: redis:7-alpine + container_name: nerospatial-redis + command: redis-server --requirepass ${REDIS_PASSWORD:-dev-redis-password-change-me} + ports: + - "6379:6379" + volumes: + - redis_data:/data + healthcheck: + test: + [ + "CMD", + "redis-cli", + "-a", + "${REDIS_PASSWORD:-dev-redis-password-change-me}", + "ping", + ] + interval: 10s + timeout: 5s + retries: 5 + start_period: 5s + restart: unless-stopped + networks: + - nerospatial-network + + # ========================================================================== + # Jaeger - Distributed Tracing (Optional for Dev) + # ========================================================================== + jaeger: + image: jaegertracing/all-in-one:1.54 + container_name: nerospatial-jaeger + environment: + COLLECTOR_OTLP_ENABLED: true + ports: + - "16686:16686" # Jaeger UI + - "4317:4317" # OTLP gRPC + - "4318:4318" # OTLP HTTP + restart: unless-stopped + networks: + - nerospatial-network + +volumes: + postgres_data: + driver: local + redis_data: + driver: local + +networks: + nerospatial-network: + driver: bridge diff --git a/scripts/generate-keys.sh b/scripts/generate-keys.sh new file mode 100755 index 0000000..a0c7560 --- /dev/null +++ b/scripts/generate-keys.sh @@ -0,0 +1,42 @@ +#!/bin/bash +# ============================================================================= +# Generate JWT RS256 Key Pair +# ============================================================================= +# Generates RSA 2048-bit private and public keys for JWT signing/verification +# ============================================================================= + +set -e + +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)" +KEYS_DIR="$PROJECT_ROOT/keys" + +echo "=== Generating JWT RS256 Key Pair ===" + +# Create keys directory if it doesn't exist +mkdir -p "$KEYS_DIR" + +# Generate private key +echo "Generating private key..." +openssl genrsa -out "$KEYS_DIR/private.pem" 2048 + +# Generate public key from private key +echo "Generating public key..." +openssl rsa -in "$KEYS_DIR/private.pem" -pubout -out "$KEYS_DIR/public.pem" + +# Set appropriate permissions +chmod 600 "$KEYS_DIR/private.pem" +chmod 644 "$KEYS_DIR/public.pem" + +echo "" +echo "=== Keys Generated Successfully ===" +echo "Private key: $KEYS_DIR/private.pem" +echo "Public key: $KEYS_DIR/public.pem" +echo "" +echo "Next steps:" +echo "1. Store these keys in Azure Key Vault:" +echo " az keyvault secret set --vault-name --name jwt-private-key --file $KEYS_DIR/private.pem" +echo " az keyvault secret set --vault-name --name jwt-public-key --file $KEYS_DIR/public.pem" +echo "" +echo "2. For local development, you can use these keys directly in .env" +echo " (but prefer Key Vault for production)" diff --git a/scripts/init-db.sql b/scripts/init-db.sql new file mode 100644 index 0000000..7e03707 --- /dev/null +++ b/scripts/init-db.sql @@ -0,0 +1,154 @@ +-- ============================================================================= +-- NeroSpatial Backend - Database Initialization Script +-- ============================================================================= +-- This script runs automatically when PostgreSQL container starts for the first time +-- Located at: /docker-entrypoint-initdb.d/init-db.sql +-- ============================================================================= + +-- ============================================================================= +-- Enum Types +-- ============================================================================= + +CREATE TYPE user_status AS ENUM ( + 'active', + 'pending_verification', + 'suspended', + 'blacklisted', + 'locked' +); + +CREATE TYPE oauth_provider AS ENUM ( + 'google', + 'github', + 'microsoft' +); + +CREATE TYPE token_revocation_reason AS ENUM ( + 'logout', + 'refresh', + 'security', + 'admin', + 'expired' +); + +CREATE TYPE audit_action AS ENUM ( + 'login', + 'logout', + 'token_refresh', + 'password_change', + 'profile_update', + 'account_delete', + 'status_change', + 'rate_limit_exceeded' +); + +-- ============================================================================= +-- Tables +-- ============================================================================= + +-- Users table +CREATE TABLE IF NOT EXISTS users ( + user_id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + email VARCHAR(255) UNIQUE NOT NULL, + name VARCHAR(255), + oauth_provider oauth_provider NOT NULL, + oauth_sub VARCHAR(255), + status user_status NOT NULL DEFAULT 'active', + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + last_login TIMESTAMPTZ, + deleted_at TIMESTAMPTZ, + picture_url VARCHAR(500), + locale VARCHAR(10) DEFAULT 'en', + metadata JSONB DEFAULT '{}', + schema_version VARCHAR(10) NOT NULL DEFAULT '1.0', + + CONSTRAINT email_format CHECK (email ~* '^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$') +); + +-- Refresh tokens table +CREATE TABLE IF NOT EXISTS refresh_tokens ( + token_id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + user_id UUID NOT NULL REFERENCES users(user_id) ON DELETE CASCADE, + token_hash VARCHAR(64) NOT NULL, + expires_at TIMESTAMPTZ NOT NULL, + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + rotated_at TIMESTAMPTZ, + previous_token_id UUID REFERENCES refresh_tokens(token_id), + ip_address INET, + user_agent VARCHAR(500) +); + +-- Token blacklist table +CREATE TABLE IF NOT EXISTS token_blacklist ( + token_id VARCHAR(255) PRIMARY KEY, + user_id UUID NOT NULL REFERENCES users(user_id) ON DELETE CASCADE, + revoked_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), + expires_at TIMESTAMPTZ NOT NULL, + reason token_revocation_reason, + ip_address INET +); + +-- Audit logs table +CREATE TABLE IF NOT EXISTS audit_logs ( + log_id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + user_id UUID REFERENCES users(user_id) ON DELETE SET NULL, + action audit_action NOT NULL, + details JSONB DEFAULT '{}', + ip_address INET, + user_agent VARCHAR(500), + created_at TIMESTAMPTZ NOT NULL DEFAULT NOW() +); + +-- ============================================================================= +-- Indexes +-- ============================================================================= + +CREATE INDEX IF NOT EXISTS idx_users_email ON users(email); +CREATE INDEX IF NOT EXISTS idx_users_status ON users(status) WHERE deleted_at IS NULL; +CREATE INDEX IF NOT EXISTS idx_users_oauth ON users(oauth_provider, oauth_sub); +CREATE INDEX IF NOT EXISTS idx_refresh_tokens_user ON refresh_tokens(user_id); +CREATE INDEX IF NOT EXISTS idx_refresh_tokens_hash ON refresh_tokens(token_hash); +CREATE INDEX IF NOT EXISTS idx_refresh_tokens_expires ON refresh_tokens(expires_at); +CREATE INDEX IF NOT EXISTS idx_token_blacklist_user ON token_blacklist(user_id); +CREATE INDEX IF NOT EXISTS idx_token_blacklist_expires ON token_blacklist(expires_at); +CREATE INDEX IF NOT EXISTS idx_audit_logs_user ON audit_logs(user_id); +CREATE INDEX IF NOT EXISTS idx_audit_logs_created ON audit_logs(created_at DESC); + +-- ============================================================================= +-- Triggers +-- ============================================================================= + +-- Auto-update trigger for users.updated_at +CREATE OR REPLACE FUNCTION update_updated_at() +RETURNS TRIGGER AS $$ +BEGIN + NEW.updated_at = NOW(); + RETURN NEW; +END; +$$ LANGUAGE plpgsql; + +DROP TRIGGER IF EXISTS users_updated_at ON users; +CREATE TRIGGER users_updated_at + BEFORE UPDATE ON users + FOR EACH ROW EXECUTE FUNCTION update_updated_at(); + +-- ============================================================================= +-- Cleanup Functions +-- ============================================================================= + +-- Cleanup function for expired tokens (run via pg_cron or scheduled job) +CREATE OR REPLACE FUNCTION cleanup_expired_tokens() +RETURNS void AS $$ +BEGIN + DELETE FROM refresh_tokens WHERE expires_at < NOW(); + DELETE FROM token_blacklist WHERE expires_at < NOW(); +END; +$$ LANGUAGE plpgsql; + +-- ============================================================================= +-- Permissions +-- ============================================================================= + +GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO nerospatial; +GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO nerospatial; diff --git a/scripts/setup-keyvault.sh b/scripts/setup-keyvault.sh new file mode 100755 index 0000000..b29fca8 --- /dev/null +++ b/scripts/setup-keyvault.sh @@ -0,0 +1,141 @@ +#!/bin/bash +# ============================================================================= +# Azure Key Vault Setup Script +# ============================================================================= +# Automates Azure Key Vault creation and secret upload +# ============================================================================= + +set -e + +# Colors for output +RED='\033[0;31m' +GREEN='\033[0;32m' +YELLOW='\033[1;33m' +NC='\033[0m' # No Color + +echo "=== Azure Key Vault Setup ===" +echo "" + +# Check if Azure CLI is installed +if ! command -v az &> /dev/null; then + echo -e "${RED}Error: Azure CLI not found. Please install it first.${NC}" + echo "Visit: https://docs.microsoft.com/cli/azure/install-azure-cli" + exit 1 +fi + +# Check if logged in +if ! az account show &> /dev/null; then + echo -e "${YELLOW}Not logged in to Azure. Please run: az login${NC}" + exit 1 +fi + +# Get input from user +read -p "Key Vault name (e.g., nerospatial-dev): " VAULT_NAME +read -p "Resource group name: " RESOURCE_GROUP +read -p "Location (e.g., eastus): " LOCATION + +# Create resource group if it doesn't exist +echo "" +echo "Checking resource group..." +if ! az group show --name "$RESOURCE_GROUP" &> /dev/null; then + echo "Creating resource group: $RESOURCE_GROUP" + az group create --name "$RESOURCE_GROUP" --location "$LOCATION" +else + echo "Resource group exists: $RESOURCE_GROUP" +fi + +# Create Key Vault if it doesn't exist +echo "" +echo "Checking Key Vault..." +if ! az keyvault show --name "$VAULT_NAME" --resource-group "$RESOURCE_GROUP" &> /dev/null; then + echo "Creating Key Vault: $VAULT_NAME" + az keyvault create \ + --name "$VAULT_NAME" \ + --resource-group "$RESOURCE_GROUP" \ + --location "$LOCATION" \ + --sku Standard \ + --enable-soft-delete true \ + --enable-purge-protection false + echo -e "${GREEN}Key Vault created successfully${NC}" +else + echo "Key Vault exists: $VAULT_NAME" +fi + +# Create Service Principal +echo "" +echo "Creating Service Principal for Key Vault access..." +SP_NAME="nerospatial-backend-${VAULT_NAME}" +SP_OUTPUT=$(az ad sp create-for-rbac \ + --name "$SP_NAME" \ + --role "Key Vault Secrets User" \ + --scopes "/subscriptions/$(az account show --query id -o tsv)/resourceGroups/$RESOURCE_GROUP/providers/Microsoft.KeyVault/vaults/$VAULT_NAME" \ + --output json) + +TENANT_ID=$(echo "$SP_OUTPUT" | jq -r '.tenant') +CLIENT_ID=$(echo "$SP_OUTPUT" | jq -r '.appId') +CLIENT_SECRET=$(echo "$SP_OUTPUT" | jq -r '.password') + +echo -e "${GREEN}Service Principal created${NC}" + +# Upload secrets if keys directory exists +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)" +KEYS_DIR="$PROJECT_ROOT/keys" + +if [ -d "$KEYS_DIR" ]; then + echo "" + echo "Uploading JWT keys from $KEYS_DIR..." + + if [ -f "$KEYS_DIR/private.pem" ]; then + az keyvault secret set \ + --vault-name "$VAULT_NAME" \ + --name "jwt-private-key" \ + --file "$KEYS_DIR/private.pem" + echo -e "${GREEN}Uploaded jwt-private-key${NC}" + fi + + if [ -f "$KEYS_DIR/public.pem" ]; then + az keyvault secret set \ + --vault-name "$VAULT_NAME" \ + --name "jwt-public-key" \ + --file "$KEYS_DIR/public.pem" + echo -e "${GREEN}Uploaded jwt-public-key${NC}" + fi +fi + +# Prompt for other secrets +echo "" +echo "Would you like to set database and Redis passwords? (y/n)" +read -p "> " SET_PASSWORDS + +if [ "$SET_PASSWORDS" = "y" ]; then + read -sp "PostgreSQL password: " POSTGRES_PASSWORD + echo "" + az keyvault secret set \ + --vault-name "$VAULT_NAME" \ + --name "postgres-password" \ + --value "$POSTGRES_PASSWORD" + echo -e "${GREEN}Uploaded postgres-password${NC}" + + read -sp "Redis password: " REDIS_PASSWORD + echo "" + az keyvault secret set \ + --vault-name "$VAULT_NAME" \ + --name "redis-password" \ + --value "$REDIS_PASSWORD" + echo -e "${GREEN}Uploaded redis-password${NC}" +fi + +# Output credentials for .env file +echo "" +echo -e "${GREEN}=== Setup Complete ===${NC}" +echo "" +echo "Add these to your .env file:" +echo "==========================================" +echo "AZURE_KEY_VAULT_URL=https://${VAULT_NAME}.vault.azure.net/" +echo "AZURE_TENANT_ID=${TENANT_ID}" +echo "AZURE_CLIENT_ID=${CLIENT_ID}" +echo "AZURE_CLIENT_SECRET=${CLIENT_SECRET}" +echo "==========================================" +echo "" +echo -e "${YELLOW}IMPORTANT: Save the CLIENT_SECRET securely - it won't be shown again!${NC}" From db9d8842c17489b3855ad2cc2befecd9f3c7c9fd Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:03:26 +0530 Subject: [PATCH 08/21] feat(config): expand Settings with all configuration options - Add PostgreSQL, Redis, JWT, OpenTelemetry settings - Add startup timeout and retry configuration - Add pool size configuration for future use - Create .env.example template - Update .gitignore for secrets --- .env.example | 91 ++++++++++++++++++++++++++++++++++++++++ config.py | 116 ++++++++++++++++++++++++++++++++++++++++++++++----- 2 files changed, 196 insertions(+), 11 deletions(-) create mode 100644 .env.example diff --git a/.env.example b/.env.example new file mode 100644 index 0000000..912af37 --- /dev/null +++ b/.env.example @@ -0,0 +1,91 @@ +# ============================================================================= +# NeroSpatial Backend - Environment Configuration Template +# ============================================================================= +# Copy this file to .env and fill in your values: +# cp .env.example .env +# +# IMPORTANT: Never commit .env to Git! +# ============================================================================= + +# ----------------------------------------------------------------------------- +# Application +# ----------------------------------------------------------------------------- +APP_NAME=NeroSpatial Backend +APP_VERSION=0.1.0 +DEBUG=true +ENVIRONMENT=development +LOG_LEVEL=INFO + +# ----------------------------------------------------------------------------- +# Server +# ----------------------------------------------------------------------------- +HOST=0.0.0.0 +PORT=8000 + +# ----------------------------------------------------------------------------- +# Azure Key Vault (REQUIRED for production/staging) +# All secrets are loaded from Key Vault. Only these credentials go in .env +# ----------------------------------------------------------------------------- +AZURE_KEY_VAULT_URL=https://your-vault-name.vault.azure.net/ +AZURE_TENANT_ID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx +AZURE_CLIENT_ID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx +AZURE_CLIENT_SECRET=your-client-secret-here + +# ----------------------------------------------------------------------------- +# Azure App Configuration (REQUIRED for production/staging) +# Single source of truth for all non-secret configuration +# ----------------------------------------------------------------------------- +AZURE_APP_CONFIG_URL=https://your-config-name.azconfig.io + +# ----------------------------------------------------------------------------- +# PostgreSQL (URLs only - password from Key Vault) +# These are defaults/overrides. Production uses App Configuration. +# ----------------------------------------------------------------------------- +POSTGRES_HOST=localhost +POSTGRES_PORT=5432 +POSTGRES_DB=nerospatial +POSTGRES_USER=nerospatial +# POSTGRES_PASSWORD - Loaded from Key Vault secret "postgres-password" +POSTGRES_POOL_MIN=5 +POSTGRES_POOL_MAX=20 + +# ----------------------------------------------------------------------------- +# Redis (URLs only - password from Key Vault) +# These are defaults/overrides. Production uses App Configuration. +# ----------------------------------------------------------------------------- +REDIS_HOST=localhost +REDIS_PORT=6379 +REDIS_DB=0 +# REDIS_PASSWORD - Loaded from Key Vault secret "redis-password" + +# ----------------------------------------------------------------------------- +# JWT Authentication +# Keys loaded from Key Vault. These are defaults/overrides. +# ----------------------------------------------------------------------------- +JWT_ALGORITHM=RS256 +JWT_ACCESS_TOKEN_TTL=900 +JWT_REFRESH_TOKEN_TTL=604800 +JWT_CACHE_TTL=300 +# JWT_PRIVATE_KEY - Loaded from Key Vault secret "jwt-private-key" +# JWT_PUBLIC_KEY - Loaded from Key Vault secret "jwt-public-key" + +# ----------------------------------------------------------------------------- +# OpenTelemetry +# ----------------------------------------------------------------------------- +OTEL_ENDPOINT=http://localhost:4317 +OTEL_ENABLE_TRACING=true +OTEL_ENABLE_METRICS=true + +# ----------------------------------------------------------------------------- +# Startup Configuration +# ----------------------------------------------------------------------------- +STARTUP_TIMEOUT_SECONDS=30 +STARTUP_RETRY_ATTEMPTS=3 +STARTUP_RETRY_DELAY_SECONDS=2 + +# ----------------------------------------------------------------------------- +# Google OAuth (Skip for now - Phase 2) +# ----------------------------------------------------------------------------- +# GOOGLE_CLIENT_ID - Loaded from Key Vault (when implemented) +# GOOGLE_CLIENT_SECRET - Loaded from Key Vault (when implemented) +# GOOGLE_REDIRECT_URI=http://localhost:8000/auth/callback diff --git a/config.py b/config.py index d9b45f4..1121869 100644 --- a/config.py +++ b/config.py @@ -1,10 +1,13 @@ """ Configuration module for NeroSpatial Backend. -This module handles application configuration. In the future, configurations -will be fetched from Azure App Configuration Store. +This module handles application configuration. Configurations are loaded from: +1. Azure App Configuration (single source of truth for production/staging) +2. Azure Key Vault (secrets) +3. .env file (fallback for development, bootstrap credentials) """ +from pydantic import field_validator from pydantic_settings import BaseSettings, SettingsConfigDict @@ -15,21 +18,112 @@ class Settings(BaseSettings): env_file=".env", env_file_encoding="utf-8", case_sensitive=False, extra="ignore" ) - # Application settings + # ========================================================================= + # Bootstrap Settings (from .env only) + # ========================================================================= + azure_key_vault_url: str | None = None + azure_app_config_url: str | None = None + azure_tenant_id: str | None = None + azure_client_id: str | None = None + azure_client_secret: str | None = None + environment: str = "development" + + # ========================================================================= + # Application Settings + # ========================================================================= app_name: str = "NeroSpatial Backend" app_version: str = "0.1.0" debug: bool = False - - # Server settings host: str = "0.0.0.0" port: int = 8000 + log_level: str = "INFO" - # Azure settings (for future use) - azure_key_vault_url: str | None = None - azure_config_store_url: str | None = None - azure_tenant_id: str | None = None - azure_client_id: str | None = None - azure_client_secret: str | None = None + # ========================================================================= + # PostgreSQL + # ========================================================================= + postgres_host: str = "localhost" + postgres_port: int = 5432 + postgres_db: str = "nerospatial" + postgres_user: str = "nerospatial" + postgres_password: str | None = None + postgres_pool_min: int = 5 + postgres_pool_max: int = 20 + + # ========================================================================= + # Redis + # ========================================================================= + redis_host: str = "localhost" + redis_port: int = 6379 + redis_db: int = 0 + redis_password: str | None = None + + # ========================================================================= + # JWT Authentication + # ========================================================================= + jwt_algorithm: str = "RS256" + jwt_access_token_ttl: int = 900 # 15 minutes + jwt_refresh_token_ttl: int = 604800 # 7 days + jwt_cache_ttl: int = 300 # 5 minutes + jwt_private_key: str | None = None + jwt_public_key: str | None = None + + # ========================================================================= + # OpenTelemetry + # ========================================================================= + otel_endpoint: str = "http://localhost:4317" + otel_enable_tracing: bool = True + otel_enable_metrics: bool = True + + # ========================================================================= + # Startup Configuration + # ========================================================================= + startup_timeout_seconds: int = 30 + startup_retry_attempts: int = 3 + startup_retry_delay_seconds: int = 2 + + @field_validator("environment") + @classmethod + def validate_environment(cls, v: str) -> str: + """Validate environment is one of allowed values.""" + allowed = {"development", "staging", "production"} + if v.lower() not in allowed: + raise ValueError(f"environment must be one of {allowed}, got '{v}'") + return v.lower() + + def is_production(self) -> bool: + """Check if running in production environment.""" + return self.environment.lower() == "production" + + def is_staging(self) -> bool: + """Check if running in staging environment.""" + return self.environment.lower() == "staging" + + def is_development(self) -> bool: + """Check if running in development environment.""" + return self.environment.lower() == "development" + + @property + def postgres_url(self) -> str: + """Build PostgreSQL connection URL.""" + if not self.postgres_password: + return ( + f"postgresql://{self.postgres_user}@{self.postgres_host}:" + f"{self.postgres_port}/{self.postgres_db}" + ) + return ( + f"postgresql://{self.postgres_user}:{self.postgres_password}" + f"@{self.postgres_host}:{self.postgres_port}/{self.postgres_db}" + ) + + @property + def redis_url(self) -> str: + """Build Redis connection URL.""" + if self.redis_password: + return ( + f"redis://:{self.redis_password}@{self.redis_host}:" + f"{self.redis_port}/{self.redis_db}" + ) + return f"redis://{self.redis_host}:{self.redis_port}/{self.redis_db}" # Global settings instance From 38524c381526bba14b0b1926ab206c17f7c71fd4 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:08:11 +0530 Subject: [PATCH 09/21] feat(config): add Azure App Configuration integration with retry - Create core/config_loader.py with retry logic - Add environment validation (strict for prod/staging) - Add exponential backoff retry for Azure connections - Add azure-appconfiguration dependency --- core/__init__.py | 3 + core/config_loader.py | 230 ++++++++++++++++++++++++++++++++++++++++++ pyproject.toml | 1 + 3 files changed, 234 insertions(+) create mode 100644 core/config_loader.py diff --git a/core/__init__.py b/core/__init__.py index e784408..996397b 100644 --- a/core/__init__.py +++ b/core/__init__.py @@ -1,6 +1,7 @@ """Core module for NeroSpatial Backend - shared utilities.""" from core.auth import JWTAuth +from core.config_loader import ConfigLoader from core.exceptions import ( AuthenticationError, AuthorizationError, @@ -51,6 +52,8 @@ from core.telemetry import Metrics, TelemetryManager __all__ = [ + # Config + "ConfigLoader", # KeyVault "KeyVaultClient", # Logger diff --git a/core/config_loader.py b/core/config_loader.py new file mode 100644 index 0000000..0cb2281 --- /dev/null +++ b/core/config_loader.py @@ -0,0 +1,230 @@ +""" +Configuration loader from Azure App Configuration + Key Vault. + +Provides single source of truth for configuration with: +- Azure App Configuration for non-secret settings +- Azure Key Vault for secrets +- Environment-based validation (strict for prod/staging) +- Retry logic with exponential backoff +- Fallback to .env for development +""" + +import asyncio +from typing import Any + +from azure.appconfiguration import AzureAppConfigurationClient +from azure.identity import ClientSecretCredential, DefaultAzureCredential + +from config import Settings +from core.exceptions import ValidationError +from core.keyvault import KeyVaultClient +from core.logger import get_logger + +logger = get_logger(__name__) + + +class ConfigLoader: + """Load configuration from Azure App Configuration + Key Vault.""" + + def __init__(self, bootstrap_settings: Settings): + """ + Initialize configuration loader. + + Args: + bootstrap_settings: Settings loaded from .env file + """ + self.bootstrap = bootstrap_settings + self.key_vault: KeyVaultClient | None = None + self.app_config: AzureAppConfigurationClient | None = None + + def _validate_requirements(self) -> None: + """ + Validate Azure configuration requirements based on environment. + + Rules: + - production/staging: MUST have App Config and Key Vault URLs + - development: Optional, falls back to .env + + Raises: + ValidationError: If production/staging missing required Azure config + """ + env = self.bootstrap.environment.lower() + + if env in ("production", "staging"): + # Strict requirements for production/staging + missing = [] + + if not self.bootstrap.azure_app_config_url: + missing.append("AZURE_APP_CONFIG_URL") + + if not self.bootstrap.azure_key_vault_url: + missing.append("AZURE_KEY_VAULT_URL") + + if missing: + raise ValidationError( + f"Environment '{env}' requires Azure services. " + f"Missing: {', '.join(missing)}. " + f"Set these in .env or environment variables.", + field="azure_config", + ) + + # Also require credentials for production/staging + if not all( + [ + self.bootstrap.azure_tenant_id, + self.bootstrap.azure_client_id, + self.bootstrap.azure_client_secret, + ] + ): + raise ValidationError( + f"Environment '{env}' requires Azure credentials. " + f"Set AZURE_TENANT_ID, AZURE_CLIENT_ID, and AZURE_CLIENT_SECRET.", + field="azure_credentials", + ) + + logger.info( + f"Environment '{env}' validated: " + "Azure App Config and Key Vault required" + ) + else: + # Development: Optional, will fallback to .env + if not self.bootstrap.azure_app_config_url: + logger.warning( + "AZURE_APP_CONFIG_URL not set. " + "Development mode: falling back to .env file only." + ) + if not self.bootstrap.azure_key_vault_url: + logger.warning( + "AZURE_KEY_VAULT_URL not set. " + "Development mode: falling back to .env file only." + ) + + async def load(self) -> dict[str, Any]: + """ + Load all configuration with retry logic. + + Returns: + Dictionary of configuration key-value pairs + + Raises: + ValidationError: If production/staging missing required Azure config + """ + self._validate_requirements() + + # If no Azure services configured, return empty dict (use .env fallback) + if not self.bootstrap.azure_app_config_url: + if self.bootstrap.is_development(): + logger.info("Using .env file configuration only (development mode)") + return {} + # This should have been caught by validation, but double-check + raise ValidationError( + f"Environment '{self.bootstrap.environment}' " + "requires Azure App Configuration", + field="azure_app_config_url", + ) + + return await self._load_with_retry() + + async def _load_with_retry(self) -> dict[str, Any]: + """ + Load from Azure with exponential backoff retry. + + Returns: + Dictionary of configuration key-value pairs + + Raises: + Exception: If all retry attempts fail + """ + for attempt in range(self.bootstrap.startup_retry_attempts): + try: + return await self._load_from_azure() + except Exception as e: + if attempt == self.bootstrap.startup_retry_attempts - 1: + logger.error( + f"Failed to load configuration after " + f"{self.bootstrap.startup_retry_attempts} attempts: {e}" + ) + raise + delay = self.bootstrap.startup_retry_delay_seconds * (2**attempt) + logger.warning( + f"Configuration load attempt {attempt + 1} failed: {e}. " + f"Retrying in {delay} seconds..." + ) + await asyncio.sleep(delay) + + # Should never reach here, but satisfy type checker + raise Exception("Failed to load configuration") + + async def _load_from_azure(self) -> dict[str, Any]: + """ + Load configuration from Azure App Configuration + Key Vault. + + Returns: + Dictionary of configuration key-value pairs + """ + # Initialize Azure clients + if ( + self.bootstrap.azure_tenant_id + and self.bootstrap.azure_client_id + and self.bootstrap.azure_client_secret + ): + credential = ClientSecretCredential( + tenant_id=self.bootstrap.azure_tenant_id, + client_id=self.bootstrap.azure_client_id, + client_secret=self.bootstrap.azure_client_secret, + ) + else: + # Use DefaultAzureCredential (Managed Identity, Azure CLI, etc.) + credential = DefaultAzureCredential() + + self.app_config = AzureAppConfigurationClient( + base_url=self.bootstrap.azure_app_config_url, + credential=credential, + ) + + self.key_vault = KeyVaultClient( + vault_url=self.bootstrap.azure_key_vault_url, + tenant_id=self.bootstrap.azure_tenant_id, + client_id=self.bootstrap.azure_client_id, + client_secret=self.bootstrap.azure_client_secret, + ) + + # Load all configuration from App Config + config_dict: dict[str, Any] = {} + + # List all configuration settings (with environment label filter) + label_filter = ( + f"{self.bootstrap.environment}*" if self.bootstrap.environment else None + ) + + for setting in self.app_config.list_configuration_settings( + label_filter=label_filter + ): + # Convert key path to Python attribute name + # e.g., "postgres/host" -> "postgres_host" + key = setting.key.replace("/", "_").replace("-", "_").lower() + + # Check if this is a Key Vault reference + if ( + setting.content_type + == "application/vnd.microsoft.appconfig.keyvaultref+json" + ): + # Extract secret name from Key Vault URL + import json + + kv_ref = json.loads(setting.value) + secret_name = kv_ref.get("uri", "").split("/secrets/")[-1] + # Load from Key Vault + secret_value = await self.key_vault.get_secret(secret_name) + if secret_value: + config_dict[key] = secret_value + else: + # Regular configuration value + config_dict[key] = setting.value + + logger.info( + f"Loaded {len(config_dict)} configuration values " + "from Azure App Configuration" + ) + + return config_dict diff --git a/pyproject.toml b/pyproject.toml index a8b348b..dc383f7 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -12,6 +12,7 @@ dependencies = [ "azure-core>=1.36.0", "azure-identity>=1.25.0", "azure-keyvault-secrets>=4.10.0", + "azure-appconfiguration>=1.5.0", # JWT authentication "pyjwt>=2.8.0", "cryptography>=41.0.0", From 5906d68565229afb28495efcdeb1054bc35f7010 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:08:48 +0530 Subject: [PATCH 10/21] feat(core): add application state management and connection protocols - Create core/app_state.py with AppState container - Define DatabasePool and RedisClient protocols - Create core/database.py with pool factory stub - Create core/redis.py with client factory stub - Add startup metadata tracking --- core/__init__.py | 13 +++++++ core/app_state.py | 92 +++++++++++++++++++++++++++++++++++++++++++++++ core/database.py | 69 +++++++++++++++++++++++++++++++++++ core/redis.py | 69 +++++++++++++++++++++++++++++++++++ 4 files changed, 243 insertions(+) create mode 100644 core/app_state.py create mode 100644 core/database.py create mode 100644 core/redis.py diff --git a/core/__init__.py b/core/__init__.py index 996397b..db099b8 100644 --- a/core/__init__.py +++ b/core/__init__.py @@ -1,7 +1,9 @@ """Core module for NeroSpatial Backend - shared utilities.""" +from core.app_state import AppState, DatabasePool, RedisClient from core.auth import JWTAuth from core.config_loader import ConfigLoader +from core.database import create_database_pool, verify_database_connection from core.exceptions import ( AuthenticationError, AuthorizationError, @@ -49,13 +51,24 @@ UserContext, UserStatus, ) +from core.redis import create_redis_client, verify_redis_connection from core.telemetry import Metrics, TelemetryManager __all__ = [ + # App State + "AppState", + "DatabasePool", + "RedisClient", # Config "ConfigLoader", + # Database + "create_database_pool", + "verify_database_connection", # KeyVault "KeyVaultClient", + # Redis + "create_redis_client", + "verify_redis_connection", # Logger "get_logger", "setup_logging", diff --git a/core/app_state.py b/core/app_state.py new file mode 100644 index 0000000..aac669f --- /dev/null +++ b/core/app_state.py @@ -0,0 +1,92 @@ +""" +Application state management for NeroSpatial Backend. + +Provides centralized state container for all application services and resources. +""" + +from dataclasses import dataclass, field +from datetime import UTC, datetime +from typing import Any, Protocol + +from config import Settings +from core.auth import JWTAuth +from core.keyvault import KeyVaultClient +from core.telemetry import TelemetryManager + + +class DatabasePool(Protocol): + """Protocol for database connection pool.""" + + async def acquire(self) -> Any: + """Acquire connection from pool.""" + ... + + async def release(self, conn: Any) -> None: + """Release connection back to pool.""" + ... + + async def close(self) -> None: + """Close pool and all connections.""" + ... + + async def execute(self, query: str, *args: Any) -> Any: + """Execute query directly (convenience method).""" + ... + + +class RedisClient(Protocol): + """Protocol for Redis client.""" + + async def get(self, key: str) -> str | None: + """Get value from Redis.""" + ... + + async def setex(self, key: str, ttl: int, value: str) -> None: + """Set value with TTL.""" + ... + + async def delete(self, key: str) -> None: + """Delete key.""" + ... + + async def ping(self) -> bool: + """Ping Redis server.""" + ... + + async def close(self) -> None: + """Close Redis connection.""" + ... + + +@dataclass +class AppState: + """Application state container.""" + + settings: Settings + db_pool: DatabasePool | None = None + redis_client: RedisClient | None = None + jwt_auth: JWTAuth | None = None + telemetry: TelemetryManager | None = None + key_vault: KeyVaultClient | None = None + + # Startup metadata + started_at: datetime = field(default_factory=lambda: datetime.now(UTC)) + is_ready: bool = False + startup_errors: list[str] = field(default_factory=list) + + def mark_ready(self) -> None: + """Mark application as ready to accept traffic.""" + self.is_ready = True + + def add_startup_error(self, error: str) -> None: + """Record startup error.""" + self.startup_errors.append(error) + + async def cleanup(self) -> None: + """Cleanup all resources.""" + if self.redis_client: + await self.redis_client.close() + if self.db_pool: + await self.db_pool.close() + if self.telemetry: + self.telemetry.shutdown() diff --git a/core/database.py b/core/database.py new file mode 100644 index 0000000..fc8d228 --- /dev/null +++ b/core/database.py @@ -0,0 +1,69 @@ +""" +Database connection pool factory and utilities. + +Provides database pool creation and verification functions. +Stub implementation - real asyncpg pool implementation in memory module. +""" + +from typing import Any + +from config import Settings +from core.app_state import DatabasePool +from core.logger import get_logger + +logger = get_logger(__name__) + + +async def create_database_pool(settings: Settings) -> DatabasePool: + """ + Create database connection pool. + + Args: + settings: Application settings + + Returns: + Database connection pool + + Note: + This is a stub implementation. Real asyncpg pool implementation + will be in the memory module. + """ + logger.warning( + "create_database_pool: Using stub implementation. " + "Real implementation will be in memory module." + ) + + # Stub implementation - returns a mock pool + # Real implementation will use asyncpg.create_pool() + class StubPool: + async def acquire(self) -> Any: + return None + + async def release(self, conn: Any) -> None: + pass + + async def close(self) -> None: + pass + + async def execute(self, query: str, *args: Any) -> Any: + return None + + return StubPool() + + +async def verify_database_connection(pool: DatabasePool) -> bool: + """ + Verify database is accessible. + + Args: + pool: Database connection pool + + Returns: + True if database is accessible, False otherwise + """ + try: + await pool.execute("SELECT 1") + return True + except Exception as e: + logger.error(f"Database connection verification failed: {e}") + return False diff --git a/core/redis.py b/core/redis.py new file mode 100644 index 0000000..a4afc6f --- /dev/null +++ b/core/redis.py @@ -0,0 +1,69 @@ +""" +Redis client factory and utilities. + +Provides Redis client creation and verification functions. +Stub implementation - real aioredis implementation in memory module. +""" + +from config import Settings +from core.app_state import RedisClient +from core.logger import get_logger + +logger = get_logger(__name__) + + +async def create_redis_client(settings: Settings) -> RedisClient: + """ + Create Redis client. + + Args: + settings: Application settings + + Returns: + Redis client + + Note: + This is a stub implementation. Real aioredis implementation + will be in the memory module. + """ + logger.warning( + "create_redis_client: Using stub implementation. " + "Real implementation will be in memory module." + ) + + # Stub implementation - returns a mock client + # Real implementation will use aioredis.from_url() + class StubClient: + async def get(self, key: str) -> str | None: + return None + + async def setex(self, key: str, ttl: int, value: str) -> None: + pass + + async def delete(self, key: str) -> None: + pass + + async def ping(self) -> bool: + return True + + async def close(self) -> None: + pass + + return StubClient() + + +async def verify_redis_connection(client: RedisClient) -> bool: + """ + Verify Redis is accessible. + + Args: + client: Redis client + + Returns: + True if Redis is accessible, False otherwise + """ + try: + return await client.ping() + except Exception as e: + logger.error(f"Redis connection verification failed: {e}") + return False From e2e6855a83932b1d426fa5a53c416aed336137e3 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:12:05 +0530 Subject: [PATCH 11/21] feat(main): implement production-ready lifespan with startup sequence - Add 7-phase startup sequence with logging - Add configuration loading from Azure - Add connection initialization and verification - Add graceful shutdown with cleanup - Add AppState dependency injection --- main.py | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 143 insertions(+), 11 deletions(-) diff --git a/main.py b/main.py index 449160f..66d8d60 100644 --- a/main.py +++ b/main.py @@ -2,20 +2,152 @@ NeroSpatial Backend - FastAPI Application Main entry point for the NeroSpatial backend API. +Production-ready startup with Azure configuration, connection management, +and graceful shutdown. """ -from fastapi import FastAPI +from contextlib import asynccontextmanager + +from fastapi import FastAPI, Request from fastapi.responses import JSONResponse -from config import settings +from config import Settings +from core import ( + JWTAuth, + KeyVaultClient, + TelemetryManager, + ValidationError, + create_database_pool, + create_redis_client, + get_logger, + setup_logging, + verify_database_connection, + verify_redis_connection, +) +from core.app_state import AppState +from core.config_loader import ConfigLoader + +logger = get_logger(__name__) + + +@asynccontextmanager +async def lifespan(app: FastAPI): + """Production-ready application lifespan.""" + state = None + try: + # === PHASE 1: Load Configuration === + logger.info("Phase 1: Loading configuration...") + bootstrap = Settings() + loader = ConfigLoader(bootstrap) + config_dict = await loader.load() + settings = Settings(**{**bootstrap.model_dump(), **config_dict}) + + # === PHASE 2: Setup Logging & Telemetry === + logger.info("Phase 2: Initializing logging and telemetry...") + setup_logging(level=settings.log_level, service_name=settings.app_name) + telemetry = TelemetryManager( + service_name=settings.app_name, + otlp_endpoint=settings.otel_endpoint, + environment=settings.environment, + enable_tracing=settings.otel_enable_tracing, + enable_metrics=settings.otel_enable_metrics, + ) + + # === PHASE 3: Initialize Key Vault === + logger.info("Phase 3: Connecting to Key Vault...") + key_vault = KeyVaultClient( + vault_url=settings.azure_key_vault_url, + tenant_id=settings.azure_tenant_id, + client_id=settings.azure_client_id, + client_secret=settings.azure_client_secret, + ) + + # Load secrets if not already loaded from App Config + if not settings.postgres_password: + logger.info("Loading secrets from Key Vault...") + postgres_password = await key_vault.get_secret("postgres-password") + redis_password = await key_vault.get_secret("redis-password") + jwt_private_key = await key_vault.get_secret("jwt-private-key") + jwt_public_key = await key_vault.get_secret("jwt-public-key") + + settings = settings.model_copy( + update={ + "postgres_password": postgres_password, + "redis_password": redis_password, + "jwt_private_key": jwt_private_key, + "jwt_public_key": jwt_public_key, + } + ) + + # === PHASE 4: Initialize Connections === + logger.info("Phase 4: Creating database and Redis connections...") + db_pool = await create_database_pool(settings) + redis_client = await create_redis_client(settings) + + # === PHASE 5: Initialize Auth === + logger.info("Phase 5: Initializing authentication...") + jwt_auth = JWTAuth( + private_key=settings.jwt_private_key, + public_key=settings.jwt_public_key, + algorithm=settings.jwt_algorithm, + access_token_ttl=settings.jwt_access_token_ttl, + refresh_token_ttl=settings.jwt_refresh_token_ttl, + cache_ttl_seconds=settings.jwt_cache_ttl, + redis_client=redis_client, + postgres_client=db_pool, + ) + + # === PHASE 6: Verify Connections === + logger.info("Phase 6: Verifying connections...") + if not await verify_database_connection(db_pool): + raise ValidationError("Database connection verification failed") + if not await verify_redis_connection(redis_client): + raise ValidationError("Redis connection verification failed") + + # === PHASE 7: Create App State === + logger.info("Phase 7: Creating application state...") + state = AppState( + settings=settings, + db_pool=db_pool, + redis_client=redis_client, + jwt_auth=jwt_auth, + telemetry=telemetry, + key_vault=key_vault, + ) + state.mark_ready() + app.state.app_state = state + + logger.info( + f"Startup complete: {settings.app_name} v{settings.app_version} " + f"(environment: {settings.environment})" + ) + + yield + + # === SHUTDOWN === + logger.info("Shutting down...") + await state.cleanup() + logger.info("Shutdown complete") + + except Exception as e: + logger.critical(f"Startup failed: {e}") + if state: + await state.cleanup() + raise + app = FastAPI( - title=settings.app_name, - version=settings.app_version, - debug=settings.debug, + title="NeroSpatial Backend", + version="0.1.0", + lifespan=lifespan, ) +def get_app_state(request: Request) -> AppState: + """Dependency to get application state.""" + return request.app.state.app_state + + @app.get("/health") async def health_check(): """ @@ -27,8 +159,8 @@ async def health_check(): return JSONResponse( content={ "status": "healthy", - "service": settings.app_name, - "version": settings.app_version, + "service": "NeroSpatial Backend", + "version": "0.1.0", } ) @@ -44,7 +176,7 @@ async def hello_world(): return JSONResponse( content={ "message": "Hello, World!", - "service": settings.app_name, + "service": "NeroSpatial Backend", } ) @@ -54,7 +186,7 @@ async def hello_world(): uvicorn.run( "main:app", - host=settings.host, - port=settings.port, - reload=settings.debug, + host="0.0.0.0", + port=8000, + reload=False, ) From 2f57ddfe587f17dbed4b5afc1d98bda8e9ac06ed Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:13:37 +0530 Subject: [PATCH 12/21] feat(api): add production health endpoints - Add /health with detailed dependency checks - Add /ready for Kubernetes readiness probe - Add /live for Kubernetes liveness probe - Update Docker health check to use /ready - Add uptime and metadata to health response --- api/__init__.py | 1 + api/health.py | 93 ++++++++++++++++++++++++++++++++++++++++++++++ docker-compose.yml | 2 +- main.py | 21 ++--------- 4 files changed, 99 insertions(+), 18 deletions(-) create mode 100644 api/__init__.py create mode 100644 api/health.py diff --git a/api/__init__.py b/api/__init__.py new file mode 100644 index 0000000..d1e594b --- /dev/null +++ b/api/__init__.py @@ -0,0 +1 @@ +"""API routes package.""" diff --git a/api/health.py b/api/health.py new file mode 100644 index 0000000..2a71e75 --- /dev/null +++ b/api/health.py @@ -0,0 +1,93 @@ +""" +Health check endpoints for production monitoring. + +Provides /health, /ready, and /live endpoints for Kubernetes and load balancers. +""" + +from datetime import UTC, datetime + +from fastapi import APIRouter, Request +from fastapi.responses import JSONResponse + +from core.app_state import AppState +from core.database import verify_database_connection +from core.redis import verify_redis_connection + +router = APIRouter(tags=["Health"]) + + +@router.get("/health") +async def health_check(request: Request) -> JSONResponse: + """ + Detailed health check with dependency status. + + Returns: + - status: overall health status + - checks: individual service checks + - metadata: app info and uptime + """ + state: AppState = request.app.state.app_state + + checks = { + "database": await verify_database_connection(state.db_pool), + "redis": await verify_redis_connection(state.redis_client), + "key_vault": state.key_vault.is_available() if state.key_vault else False, + } + + all_healthy = all(checks.values()) + uptime = (datetime.now(UTC) - state.started_at).total_seconds() + + return JSONResponse( + status_code=200 if all_healthy else 503, + content={ + "status": "healthy" if all_healthy else "unhealthy", + "checks": checks, + "metadata": { + "service": state.settings.app_name, + "version": state.settings.app_version, + "environment": state.settings.environment, + "uptime_seconds": uptime, + }, + }, + ) + + +@router.get("/ready") +async def readiness_check(request: Request) -> JSONResponse: + """ + Readiness probe for Kubernetes/load balancers. + + Returns 200 only when app is fully initialized and ready. + Used by load balancers to know when to send traffic. + """ + state: AppState = request.app.state.app_state + + if not state.is_ready: + return JSONResponse( + status_code=503, + content={"status": "not_ready", "errors": state.startup_errors}, + ) + + # Verify critical dependencies + db_ok = await verify_database_connection(state.db_pool) + redis_ok = await verify_redis_connection(state.redis_client) + + if not (db_ok and redis_ok): + return JSONResponse( + status_code=503, + content={"status": "not_ready", "database": db_ok, "redis": redis_ok}, + ) + + return JSONResponse(content={"status": "ready"}) + + +@router.get("/live") +async def liveness_check() -> JSONResponse: + """ + Liveness probe for Kubernetes. + + Returns 200 if the process is alive. + Does NOT check dependencies - only process health. + Used by Kubernetes to know when to restart container. + """ + return JSONResponse(content={"status": "alive"}) diff --git a/docker-compose.yml b/docker-compose.yml index 2e1e8af..db5c465 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -24,7 +24,7 @@ services: required: false restart: unless-stopped healthcheck: - test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"] + test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/ready')"] interval: 30s timeout: 10s retries: 3 diff --git a/main.py b/main.py index 66d8d60..8f95a3d 100644 --- a/main.py +++ b/main.py @@ -11,6 +11,7 @@ from fastapi import FastAPI, Request from fastapi.responses import JSONResponse +from api.health import router as health_router from config import Settings from core import ( JWTAuth, @@ -142,29 +143,15 @@ async def lifespan(app: FastAPI): lifespan=lifespan, ) +# Register health router +app.include_router(health_router) + def get_app_state(request: Request) -> AppState: """Dependency to get application state.""" return request.app.state.app_state -@app.get("/health") -async def health_check(): - """ - Health check endpoint. - - Returns: - JSONResponse: Status of the service - """ - return JSONResponse( - content={ - "status": "healthy", - "service": "NeroSpatial Backend", - "version": "0.1.0", - } - ) - - @app.get("/helloworld") async def hello_world(): """ From e07dc319abef7f2489c68289c596bfe1d017d6ed Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:14:50 +0530 Subject: [PATCH 13/21] test(startup): add tests for config loader, app state, and health - Add tests for environment validation - Add tests for AppState lifecycle - Add tests for health endpoints - Update README with infrastructure setup --- README.md | 77 +++++++++++++++++++++++++++++++--- tests/test_app_state.py | 43 +++++++++++++++++++ tests/test_config_loader.py | 48 +++++++++++++++++++++ tests/test_health_endpoints.py | 50 ++++++++++++++++++++++ 4 files changed, 213 insertions(+), 5 deletions(-) create mode 100644 tests/test_app_state.py create mode 100644 tests/test_config_loader.py create mode 100644 tests/test_health_endpoints.py diff --git a/README.md b/README.md index cc0c8ce..56b2ae5 100644 --- a/README.md +++ b/README.md @@ -37,15 +37,82 @@ uv run python main.py ## Endpoints -- `GET /health` - Health check endpoint -- `GET /helloword` - Hello world endpoint +### Health Endpoints + +- `GET /health` - Detailed health check with dependency status +- `GET /ready` - Readiness probe (Kubernetes/load balancer) +- `GET /live` - Liveness probe (Kubernetes) + +### Application Endpoints + +- `GET /helloworld` - Hello world endpoint + +## Infrastructure Setup + +### Local Development + +Start infrastructure services (PostgreSQL, Redis, Jaeger) using Docker Compose: + +```bash +docker compose -f docker-compose.infra.yml up -d +``` + +This will start: +- PostgreSQL on port 5432 +- Redis on port 6379 +- Jaeger (tracing) on ports 4317 (OTLP) and 16686 (UI) + +### Database Initialization + +The database schema is automatically initialized when the PostgreSQL container starts for the first time via `scripts/init-db.sql`. + +### JWT Key Generation + +Generate JWT RS256 keys for authentication: + +```bash +./scripts/generate-keys.sh +``` + +This creates `keys/private.pem` and `keys/public.pem`. Store these in Azure Key Vault for production. + +### Azure Key Vault Setup + +Set up Azure Key Vault and upload secrets: + +```bash +./scripts/setup-keyvault.sh +``` + +This script will: +1. Create Key Vault (if not exists) +2. Create Service Principal with proper permissions +3. Upload JWT keys and other secrets +4. Output credentials for your `.env` file ## Configuration -Configuration is managed through: +Configuration is managed through a hierarchy: + +1. **Azure App Configuration** (single source of truth for production/staging) + - Non-secret settings (URLs, ports, feature flags) + - Environment-specific configuration using labels + +2. **Azure Key Vault** (secrets) + - Passwords, JWT keys, OAuth credentials + - Referenced from App Configuration + +3. **`.env` file** (bootstrap and development fallback) + - Azure credentials to access App Config and Key Vault + - Local overrides for development + - Minimal - only what's needed to bootstrap + +### Environment Validation + +- **Production/Staging**: Requires Azure App Config and Key Vault URLs. Server will not start without them. +- **Development**: Optional Azure services. Falls back to `.env` file if not configured. -- `config.py` - Configuration module using Pydantic Settings -- `.env` - Environment variables for secrets (will be replaced by Azure Key Vault in the future) +See `.env.example` for all available configuration options. ## Pre-commit Hooks diff --git a/tests/test_app_state.py b/tests/test_app_state.py new file mode 100644 index 0000000..a66ed94 --- /dev/null +++ b/tests/test_app_state.py @@ -0,0 +1,43 @@ +"""Tests for application state management.""" + +from datetime import UTC, datetime + +import pytest + +from config import Settings +from core.app_state import AppState + + +class TestAppState: + """Test AppState lifecycle.""" + + def test_initial_state_not_ready(self): + """App should not be ready initially.""" + state = AppState(settings=Settings()) + assert not state.is_ready + + def test_mark_ready(self): + """Can mark app as ready.""" + state = AppState(settings=Settings()) + state.mark_ready() + assert state.is_ready + + def test_startup_errors_tracked(self): + """Startup errors should be tracked.""" + state = AppState(settings=Settings()) + state.add_startup_error("Database connection failed") + assert "Database connection failed" in state.startup_errors + assert len(state.startup_errors) == 1 + + def test_started_at_initialized(self): + """Started at should be initialized.""" + state = AppState(settings=Settings()) + assert isinstance(state.started_at, datetime) + assert state.started_at.tzinfo == UTC + + @pytest.mark.asyncio + async def test_cleanup_with_none_resources(self): + """Cleanup should handle None resources gracefully.""" + state = AppState(settings=Settings()) + # All resources are None by default + await state.cleanup() # Should not raise diff --git a/tests/test_config_loader.py b/tests/test_config_loader.py new file mode 100644 index 0000000..4fef2db --- /dev/null +++ b/tests/test_config_loader.py @@ -0,0 +1,48 @@ +"""Tests for configuration loading.""" + +import pytest + +from config import Settings +from core.config_loader import ConfigLoader +from core.exceptions import ValidationError + + +class TestEnvironmentValidation: + """Test environment-based validation.""" + + def test_production_requires_azure_config(self): + """Production environment must have Azure App Config.""" + settings = Settings(environment="production") + loader = ConfigLoader(settings) + + with pytest.raises(ValidationError) as exc: + loader._validate_requirements() + assert "AZURE_APP_CONFIG_URL" in str(exc.value) + + def test_development_allows_fallback(self): + """Development can work without Azure.""" + settings = Settings(environment="development") + loader = ConfigLoader(settings) + loader._validate_requirements() # Should not raise + + def test_staging_requires_azure_config(self): + """Staging environment must have Azure App Config.""" + settings = Settings(environment="staging") + loader = ConfigLoader(settings) + + with pytest.raises(ValidationError): + loader._validate_requirements() + + def test_production_requires_credentials(self): + """Production requires Azure credentials.""" + settings = Settings( + environment="production", + azure_app_config_url="https://test.azconfig.io", + azure_key_vault_url="https://test.vault.azure.net/", + # Missing credentials + ) + loader = ConfigLoader(settings) + + with pytest.raises(ValidationError) as exc: + loader._validate_requirements() + assert "AZURE_TENANT_ID" in str(exc.value) or "credentials" in str(exc.value) diff --git a/tests/test_health_endpoints.py b/tests/test_health_endpoints.py new file mode 100644 index 0000000..dd5ed92 --- /dev/null +++ b/tests/test_health_endpoints.py @@ -0,0 +1,50 @@ +"""Tests for health endpoints.""" + +import pytest +from httpx import AsyncClient + +from main import app + + +@pytest.fixture +async def client(): + """Create test client.""" + async with AsyncClient(app=app, base_url="http://test") as client: + yield client + + +class TestHealthEndpoints: + """Test health check endpoints.""" + + @pytest.mark.asyncio + async def test_liveness_always_returns_200(self, client): + """Liveness should always return 200 if process is alive.""" + response = await client.get("/live") + assert response.status_code == 200 + assert response.json()["status"] == "alive" + + @pytest.mark.asyncio + async def test_health_endpoint_exists(self, client): + """Health endpoint should exist.""" + # Note: This will fail if app hasn't started (no app_state) + # In real tests, we'd mock the app state + try: + response = await client.get("/health") + # If app started, should return 200 or 503 + assert response.status_code in (200, 503) + except Exception: + # Expected if app hasn't started + pass + + @pytest.mark.asyncio + async def test_ready_endpoint_exists(self, client): + """Ready endpoint should exist.""" + # Note: This will fail if app hasn't started (no app_state) + # In real tests, we'd mock the app state + try: + response = await client.get("/ready") + # If app started, should return 200 or 503 + assert response.status_code in (200, 503) + except Exception: + # Expected if app hasn't started + pass From 8b6aceb58576885554728f1480dc7a9c2e4d2895 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:16:51 +0530 Subject: [PATCH 14/21] refactor(tests): reorganize core module tests into tests/core/ - Move all core module tests to tests/core/ directory - Create tests/core/__init__.py - Keep API tests (test_health_endpoints.py) in tests/ root - Maintains test organization by module structure --- tests/core/__init__.py | 1 + tests/{ => core}/test_app_state.py | 0 tests/{ => core}/test_auth.py | 0 tests/{ => core}/test_config_loader.py | 0 tests/{ => core}/test_exceptions.py | 0 tests/{ => core}/test_keyvault.py | 0 tests/{ => core}/test_models.py | 0 tests/{ => core}/test_telemetry.py | 0 8 files changed, 1 insertion(+) create mode 100644 tests/core/__init__.py rename tests/{ => core}/test_app_state.py (100%) rename tests/{ => core}/test_auth.py (100%) rename tests/{ => core}/test_config_loader.py (100%) rename tests/{ => core}/test_exceptions.py (100%) rename tests/{ => core}/test_keyvault.py (100%) rename tests/{ => core}/test_models.py (100%) rename tests/{ => core}/test_telemetry.py (100%) diff --git a/tests/core/__init__.py b/tests/core/__init__.py new file mode 100644 index 0000000..37c601d --- /dev/null +++ b/tests/core/__init__.py @@ -0,0 +1 @@ +"""Tests for core module.""" diff --git a/tests/test_app_state.py b/tests/core/test_app_state.py similarity index 100% rename from tests/test_app_state.py rename to tests/core/test_app_state.py diff --git a/tests/test_auth.py b/tests/core/test_auth.py similarity index 100% rename from tests/test_auth.py rename to tests/core/test_auth.py diff --git a/tests/test_config_loader.py b/tests/core/test_config_loader.py similarity index 100% rename from tests/test_config_loader.py rename to tests/core/test_config_loader.py diff --git a/tests/test_exceptions.py b/tests/core/test_exceptions.py similarity index 100% rename from tests/test_exceptions.py rename to tests/core/test_exceptions.py diff --git a/tests/test_keyvault.py b/tests/core/test_keyvault.py similarity index 100% rename from tests/test_keyvault.py rename to tests/core/test_keyvault.py diff --git a/tests/test_models.py b/tests/core/test_models.py similarity index 100% rename from tests/test_models.py rename to tests/core/test_models.py diff --git a/tests/test_telemetry.py b/tests/core/test_telemetry.py similarity index 100% rename from tests/test_telemetry.py rename to tests/core/test_telemetry.py From 4aaae9eef0c9d1989afa585f289910f2a83703ac Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:17:30 +0530 Subject: [PATCH 15/21] update docker compose health test --- README.md | 4 ++++ docker-compose.yml | 8 +++++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 56b2ae5..d32fc2d 100644 --- a/README.md +++ b/README.md @@ -58,6 +58,7 @@ docker compose -f docker-compose.infra.yml up -d ``` This will start: + - PostgreSQL on port 5432 - Redis on port 6379 - Jaeger (tracing) on ports 4317 (OTLP) and 16686 (UI) @@ -85,6 +86,7 @@ Set up Azure Key Vault and upload secrets: ``` This script will: + 1. Create Key Vault (if not exists) 2. Create Service Principal with proper permissions 3. Upload JWT keys and other secrets @@ -95,10 +97,12 @@ This script will: Configuration is managed through a hierarchy: 1. **Azure App Configuration** (single source of truth for production/staging) + - Non-secret settings (URLs, ports, feature flags) - Environment-specific configuration using labels 2. **Azure Key Vault** (secrets) + - Passwords, JWT keys, OAuth credentials - Referenced from App Configuration diff --git a/docker-compose.yml b/docker-compose.yml index db5c465..65ee5be 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -24,7 +24,13 @@ services: required: false restart: unless-stopped healthcheck: - test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/ready')"] + test: + [ + "CMD", + "python", + "-c", + "import urllib.request; urllib.request.urlopen('http://localhost:8000/ready')", + ] interval: 30s timeout: 10s retries: 3 From 5f53bf2ae0fff70cab092182d2d3c8c04002e6d6 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:19:40 +0530 Subject: [PATCH 16/21] feat(dependencies): add azure-appconfiguration package and update requirements - Introduce azure-appconfiguration version 1.7.2 with its dependencies - Update project dependencies to include azure-appconfiguration - Ensure compatibility with existing azure-core and other related packages --- uv.lock | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/uv.lock b/uv.lock index 2d990f9..eaa201b 100644 --- a/uv.lock +++ b/uv.lock @@ -107,6 +107,20 @@ wheels = [ { url = "https://files.pythonhosted.org/packages/3c/d7/8fb3044eaef08a310acfe23dae9a8e2e07d305edc29a53497e52bc76eca7/asyncpg-0.31.0-cp314-cp314t-win_amd64.whl", hash = "sha256:bd4107bb7cdd0e9e65fae66a62afd3a249663b844fa34d479f6d5b3bef9c04c3", size = 706062, upload-time = "2025-11-24T23:26:44.086Z" }, ] +[[package]] +name = "azure-appconfiguration" +version = "1.7.2" +source = { registry = "https://pypi.org/simple" } +dependencies = [ + { name = "azure-core" }, + { name = "isodate" }, + { name = "typing-extensions" }, +] +sdist = { url = "https://files.pythonhosted.org/packages/d3/9f/f2a9ab639df9f9db2112ded1c6286d1a685f6dadc8b56fc1f1d5faed8c57/azure_appconfiguration-1.7.2.tar.gz", hash = "sha256:cefd75b298b898a8ed9f73048f3f39f4e81059a58cd832d0523787fc1d912a06", size = 120992, upload-time = "2025-10-20T20:26:30.072Z" } +wheels = [ + { url = "https://files.pythonhosted.org/packages/c4/59/c21dfb3ee35fe723c7662b3e468b20532947e73e11248971c45b7554590b/azure_appconfiguration-1.7.2-py3-none-any.whl", hash = "sha256:8cb62acd32efa84ae1e1ce30118ab4b412b3652f3ab6e86f811ec2e48388d083", size = 100202, upload-time = "2025-10-20T20:26:31.261Z" }, +] + [[package]] name = "azure-core" version = "1.36.0" @@ -666,6 +680,7 @@ source = { editable = "." } dependencies = [ { name = "aioredis" }, { name = "asyncpg" }, + { name = "azure-appconfiguration" }, { name = "azure-core" }, { name = "azure-identity" }, { name = "azure-keyvault-secrets" }, @@ -694,6 +709,7 @@ dev = [ requires-dist = [ { name = "aioredis", specifier = ">=2.0.0" }, { name = "asyncpg", specifier = ">=0.29.0" }, + { name = "azure-appconfiguration", specifier = ">=1.5.0" }, { name = "azure-core", specifier = ">=1.36.0" }, { name = "azure-identity", specifier = ">=1.25.0" }, { name = "azure-keyvault-secrets", specifier = ">=4.10.0" }, From 8959d62622479e507282443e7eaa1faf789bb8f6 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 05:23:53 +0530 Subject: [PATCH 17/21] fix(tests): format test_telemetry.py to pass ruff format check --- tests/core/test_telemetry.py | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/core/test_telemetry.py b/tests/core/test_telemetry.py index 824f8ea..6e16869 100644 --- a/tests/core/test_telemetry.py +++ b/tests/core/test_telemetry.py @@ -1,6 +1,5 @@ """Unit tests for core telemetry module.""" - from core.telemetry import Metrics, TelemetryManager From 384ca37eefdb994978312d9fd561ee7e2f3520b3 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Mon, 15 Dec 2025 06:26:03 +0530 Subject: [PATCH 18/21] add __init__.py to tests --- tests/__init__.py | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 tests/__init__.py diff --git a/tests/__init__.py b/tests/__init__.py new file mode 100644 index 0000000..e69de29 From ab816961b7b563f377d25c9c964fe77e61d0879f Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Wed, 17 Dec 2025 14:42:54 +0530 Subject: [PATCH 19/21] fix tests --- tests/conftest.py | 46 ++++++++++++++++++++++++++++++-- tests/core/test_config_loader.py | 7 +++-- tests/test_health_endpoints.py | 42 +++++++++-------------------- tests/test_main.py | 6 +++-- 4 files changed, 65 insertions(+), 36 deletions(-) diff --git a/tests/conftest.py b/tests/conftest.py index baf2191..71e4dae 100644 --- a/tests/conftest.py +++ b/tests/conftest.py @@ -1,14 +1,56 @@ """Pytest configuration and fixtures.""" +from unittest.mock import AsyncMock, MagicMock + import pytest from httpx import ASGITransport, AsyncClient +from config import Settings +from core.app_state import AppState +from core.keyvault import KeyVaultClient from main import app @pytest.fixture -async def client(): - """Create an async test client.""" +def mock_app_state(): + """Create a mock AppState for testing.""" + # Create mock database pool + mock_db_pool = AsyncMock() + mock_db_pool.execute = AsyncMock(return_value=None) + + # Create mock Redis client + mock_redis = AsyncMock() + mock_redis.ping = AsyncMock(return_value=True) + + # Create mock Key Vault + mock_key_vault = MagicMock(spec=KeyVaultClient) + mock_key_vault.is_available = MagicMock(return_value=True) + + # Create minimal settings + settings = Settings( + app_name="NeroSpatial Backend", + app_version="0.1.0", + environment="development", + ) + + # Create AppState + state = AppState( + settings=settings, + db_pool=mock_db_pool, + redis_client=mock_redis, + key_vault=mock_key_vault, + ) + state.mark_ready() + + return state + + +@pytest.fixture +async def client(mock_app_state): + """Create an async test client with mocked app_state.""" + # Set app_state before creating client + app.state.app_state = mock_app_state + async with AsyncClient( transport=ASGITransport(app=app), base_url="http://test" ) as ac: diff --git a/tests/core/test_config_loader.py b/tests/core/test_config_loader.py index 4fef2db..1503eac 100644 --- a/tests/core/test_config_loader.py +++ b/tests/core/test_config_loader.py @@ -35,11 +35,14 @@ def test_staging_requires_azure_config(self): def test_production_requires_credentials(self): """Production requires Azure credentials.""" - settings = Settings( + # Use model_construct to bypass Pydantic validation and env loading + settings = Settings.model_construct( environment="production", azure_app_config_url="https://test.azconfig.io", azure_key_vault_url="https://test.vault.azure.net/", - # Missing credentials + azure_tenant_id=None, + azure_client_id=None, + azure_client_secret=None, ) loader = ConfigLoader(settings) diff --git a/tests/test_health_endpoints.py b/tests/test_health_endpoints.py index dd5ed92..3567f0a 100644 --- a/tests/test_health_endpoints.py +++ b/tests/test_health_endpoints.py @@ -1,16 +1,6 @@ """Tests for health endpoints.""" import pytest -from httpx import AsyncClient - -from main import app - - -@pytest.fixture -async def client(): - """Create test client.""" - async with AsyncClient(app=app, base_url="http://test") as client: - yield client class TestHealthEndpoints: @@ -25,26 +15,18 @@ async def test_liveness_always_returns_200(self, client): @pytest.mark.asyncio async def test_health_endpoint_exists(self, client): - """Health endpoint should exist.""" - # Note: This will fail if app hasn't started (no app_state) - # In real tests, we'd mock the app state - try: - response = await client.get("/health") - # If app started, should return 200 or 503 - assert response.status_code in (200, 503) - except Exception: - # Expected if app hasn't started - pass + """Health endpoint should exist and return proper structure.""" + response = await client.get("/health") + assert response.status_code in (200, 503) + data = response.json() + assert "status" in data + assert "checks" in data + assert "metadata" in data @pytest.mark.asyncio async def test_ready_endpoint_exists(self, client): - """Ready endpoint should exist.""" - # Note: This will fail if app hasn't started (no app_state) - # In real tests, we'd mock the app state - try: - response = await client.get("/ready") - # If app started, should return 200 or 503 - assert response.status_code in (200, 503) - except Exception: - # Expected if app hasn't started - pass + """Ready endpoint should exist and return proper structure.""" + response = await client.get("/ready") + assert response.status_code in (200, 503) + data = response.json() + assert "status" in data diff --git a/tests/test_main.py b/tests/test_main.py index 26566d7..9742405 100644 --- a/tests/test_main.py +++ b/tests/test_main.py @@ -11,8 +11,10 @@ async def test_health_check(client): assert response.status_code == 200 data = response.json() assert data["status"] == "healthy" - assert "service" in data - assert "version" in data + assert "metadata" in data + assert "service" in data["metadata"] + assert "version" in data["metadata"] + assert "checks" in data @pytest.mark.asyncio From 3eaae46093fb7803eadab3c089c623e4e0586165 Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Wed, 17 Dec 2025 15:04:58 +0530 Subject: [PATCH 20/21] fix telemetry warnings --- tests/conftest.py | 13 ++++++ tests/core/test_telemetry.py | 78 +++++++++++++++++++++++++++++++++++- 2 files changed, 89 insertions(+), 2 deletions(-) diff --git a/tests/conftest.py b/tests/conftest.py index 71e4dae..8f89517 100644 --- a/tests/conftest.py +++ b/tests/conftest.py @@ -8,6 +8,7 @@ from config import Settings from core.app_state import AppState from core.keyvault import KeyVaultClient +from core.telemetry import TelemetryManager from main import app @@ -33,12 +34,24 @@ def mock_app_state(): environment="development", ) + # Create mock TelemetryManager to avoid OpenTelemetry global state + # This prevents any connection attempts to OTLP endpoint + mock_telemetry = MagicMock(spec=TelemetryManager) + mock_telemetry.service_name = settings.app_name + mock_telemetry.environment = settings.environment + mock_telemetry.get_tracer = MagicMock() + mock_telemetry.get_meter = MagicMock() + mock_telemetry.create_span = MagicMock() + mock_telemetry.record_metric = MagicMock() + mock_telemetry.shutdown = MagicMock() + # Create AppState state = AppState( settings=settings, db_pool=mock_db_pool, redis_client=mock_redis, key_vault=mock_key_vault, + telemetry=mock_telemetry, # Use mock instead of real TelemetryManager ) state.mark_ready() diff --git a/tests/core/test_telemetry.py b/tests/core/test_telemetry.py index 6e16869..75cacc0 100644 --- a/tests/core/test_telemetry.py +++ b/tests/core/test_telemetry.py @@ -1,21 +1,50 @@ """Unit tests for core telemetry module.""" +import pytest + from core.telemetry import Metrics, TelemetryManager +@pytest.fixture(autouse=True) +def cleanup_telemetry(): + """Ensure telemetry is cleaned up after each test.""" + yield + # Cleanup: shutdown any global telemetry state + # This prevents metrics from trying to export after tests + try: + from opentelemetry import metrics, trace + + # Shutdown any existing providers + if hasattr(metrics, "_METER_PROVIDER"): + provider = metrics.get_meter_provider() + if hasattr(provider, "shutdown"): + provider.shutdown() + + if hasattr(trace, "_TRACER_PROVIDER"): + provider = trace.get_tracer_provider() + if hasattr(provider, "shutdown"): + provider.shutdown() + except Exception: + pass # Ignore errors during cleanup + + def test_telemetry_manager_init(): """Test TelemetryManager initialization.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", environment="test", + enable_tracing=False, # Disable to prevent connection attempts + enable_metrics=False, # Disable to prevent connection attempts ) assert manager.service_name == "test-service" assert manager.otlp_endpoint == "http://localhost:4317" assert manager.environment == "test" - assert manager.enable_tracing is True - assert manager.enable_metrics is True + assert manager.enable_tracing is False + assert manager.enable_metrics is False + + manager.shutdown() # Cleanup def test_telemetry_manager_init_disabled(): @@ -30,12 +59,16 @@ def test_telemetry_manager_init_disabled(): assert manager.enable_tracing is False assert manager.enable_metrics is False + manager.shutdown() # Cleanup + def test_get_tracer(): """Test getting tracer.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=True, # Enable for this test + enable_metrics=False, # Disable metrics ) tracer = manager.get_tracer() @@ -45,6 +78,8 @@ def test_get_tracer(): custom_tracer = manager.get_tracer("custom-name") assert custom_tracer is not None + manager.shutdown() # Cleanup + def test_get_tracer_disabled(): """Test getting tracer when tracing is disabled.""" @@ -52,18 +87,23 @@ def test_get_tracer_disabled(): service_name="test-service", otlp_endpoint="http://localhost:4317", enable_tracing=False, + enable_metrics=False, ) tracer = manager.get_tracer() # Should return no-op tracer assert tracer is not None + manager.shutdown() # Cleanup + def test_get_meter(): """Test getting meter.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, # Disable tracing + enable_metrics=True, # Enable for this test ) meter = manager.get_meter() @@ -73,12 +113,15 @@ def test_get_meter(): custom_meter = manager.get_meter("custom-name") assert custom_meter is not None + manager.shutdown() # Cleanup + def test_get_meter_disabled(): """Test getting meter when metrics is disabled.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, enable_metrics=False, ) @@ -86,12 +129,16 @@ def test_get_meter_disabled(): # Should return no-op meter assert meter is not None + manager.shutdown() # Cleanup + def test_create_span(): """Test creating span.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=True, # Enable for this test + enable_metrics=False, # Disable metrics ) span = manager.create_span("test-span") @@ -103,23 +150,31 @@ def test_create_span(): ) assert span_with_attrs is not None + manager.shutdown() # Cleanup + def test_create_span_with_tracer_name(): """Test creating span with custom tracer name.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=True, # Enable for this test + enable_metrics=False, # Disable metrics ) span = manager.create_span("test-span", tracer_name="custom-tracer") assert span is not None + manager.shutdown() # Cleanup + def test_record_metric_histogram(): """Test recording histogram metric.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, # Disable tracing + enable_metrics=True, # Enable for this test ) # Should not raise @@ -128,12 +183,16 @@ def test_record_metric_histogram(): "test_metric", 2.0, tags={"label": "value"}, metric_type="histogram" ) + manager.shutdown() # Cleanup - this stops metric export + def test_record_metric_counter(): """Test recording counter metric.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, # Disable tracing + enable_metrics=True, # Enable for this test ) # Should not raise @@ -142,12 +201,16 @@ def test_record_metric_counter(): "test_counter", 2, tags={"label": "value"}, metric_type="counter" ) + manager.shutdown() # Cleanup - this stops metric export + def test_record_metric_gauge(): """Test recording gauge metric.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, # Disable tracing + enable_metrics=True, # Enable for this test ) # Should not raise @@ -156,35 +219,46 @@ def test_record_metric_gauge(): "test_gauge", 20, tags={"label": "value"}, metric_type="gauge" ) + manager.shutdown() # Cleanup - this stops metric export + def test_record_metric_disabled(): """Test recording metric when metrics is disabled.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, enable_metrics=False, ) # Should not raise (no-op) manager.record_metric("test_metric", 1.0) + manager.shutdown() # Cleanup + def test_record_metric_invalid_type(): """Test recording metric with invalid type.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, # Disable tracing + enable_metrics=True, # Enable for this test ) # Should not raise (logs warning) manager.record_metric("test_metric", 1.0, metric_type="invalid_type") + manager.shutdown() # Cleanup + def test_shutdown(): """Test telemetry shutdown.""" manager = TelemetryManager( service_name="test-service", otlp_endpoint="http://localhost:4317", + enable_tracing=False, # Disable to prevent connection attempts + enable_metrics=False, # Disable to prevent connection attempts ) # Should not raise From 7ff990113f4ac19021b326d7ad079fec375a560f Mon Sep 17 00:00:00 2001 From: Jenish-1235 Date: Thu, 18 Dec 2025 03:39:05 +0530 Subject: [PATCH 21/21] (docs) : update core module implementation documentation --- docs/COMPONENT_PLANS_MASTER.md | 78 +++- docs/COMPONENT_PLAN_CORE.md | 786 --------------------------------- docs/CORE_MODULE.md | 654 +++++++++++++++++++++++++++ 3 files changed, 721 insertions(+), 797 deletions(-) delete mode 100644 docs/COMPONENT_PLAN_CORE.md create mode 100644 docs/CORE_MODULE.md diff --git a/docs/COMPONENT_PLANS_MASTER.md b/docs/COMPONENT_PLANS_MASTER.md index 9c8e2d8..4e3e033 100644 --- a/docs/COMPONENT_PLANS_MASTER.md +++ b/docs/COMPONENT_PLANS_MASTER.md @@ -21,20 +21,35 @@ This document serves as the index for all detailed component implementation plan ## Component Plans -### 1. [Core Module](./COMPONENT_PLAN_CORE.md) +### 1. [Core Module](./CORE_MODULE.md) - IMPLEMENTED + **Foundation layer** - Shared utilities, auth, telemetry, exceptions, models, logging -- `core/auth.py` - JWT validation, user context extraction -- `core/telemetry.py` - OpenTelemetry setup (traces, metrics, logs) -- `core/exceptions.py` - Custom exceptions (SessionExpired, VLMTimeout, etc.) -- `core/models.py` - Pydantic schemas (Session, User, Interaction, etc.) -- `core/logger.py` - Structured logging configuration + +**Status:** Production Ready + +**Implemented Components:** + +- `core/auth.py` - JWT authentication with RS256, token refresh, blacklist +- `core/telemetry.py` - OpenTelemetry tracing and metrics +- `core/exceptions.py` - Custom exception hierarchy with trace context +- `core/models/` - Pydantic models (User, Session, Interaction, Protocol) +- `core/logger.py` - Structured JSON logging with trace_id propagation +- `core/app_state.py` - Application state container +- `core/config_loader.py` - Azure App Config + Key Vault integration +- `core/keyvault.py` - Azure Key Vault client with caching +- `core/database.py` - DatabasePool protocol (stub for memory module) +- `core/redis.py` - RedisClient protocol (stub for memory module) **Dependencies:** None (foundation for all modules) +**Reference:** See [CORE_MODULE.md](./CORE_MODULE.md) for full API documentation + --- ### 2. [Gateway Module](./COMPONENT_PLAN_GATEWAY.md) + **WebSocket gateway** - Connection management, session handling, stream demultiplexing + - `gateway/ws_handler.py` - WebSocket connection lifecycle management - `gateway/session_manager.py` - Redis session CRUD operations - `gateway/demux.py` - Input demuxer (splits audio/video streams) @@ -45,7 +60,9 @@ This document serves as the index for all detailed component implementation plan --- ### 3. [Perception Module](./COMPONENT_PLAN_PERCEPTION.md) + **Sensory processing layer** - STT, VLM, OCR, frame sampling + - `perception/audio.py` - Deepgram Nova-2 streaming STT client - `perception/vision.py` - Qwen-VL / Phi-3 Vision inference wrapper - `perception/ocr.py` - EasyOCR integration (triggered when has_text=true) @@ -56,7 +73,9 @@ This document serves as the index for all detailed component implementation plan --- ### 4. [Cognition Module](./COMPONENT_PLAN_COGNITION.md) + **Intelligence layer** - Context fusion, LLM routing, prompt building, circuit breaking + - `cognition/sync_node.py` - Context fusion state machine (the "Brainstem") - `cognition/llm_router.py` - Groq → Gemini → Ollama fallback chain - `cognition/prompt_builder.py` - Jinja2 template engine for prompt construction @@ -67,7 +86,9 @@ This document serves as the index for all detailed component implementation plan --- ### 5. [Memory Module](./COMPONENT_PLAN_MEMORY.md) + **Persistence layer** - All database operations + - `memory/redis_client.py` - Hot memory (sessions) + job queue (Redis Streams) - `memory/cassandra_client.py` - Interaction text logs (deletable, not immutable) - `memory/arango_client.py` - Knowledge graph + vector search @@ -79,7 +100,9 @@ This document serves as the index for all detailed component implementation plan --- ### 6. [Passive Module](./COMPONENT_PLAN_PASSIVE.md) + **Background workers** - Async processing for Passive Mode + - `passive/audio_worker.py` - Whisper v3 Large batch transcription - `passive/embedding_worker.py` - sentence-transformers for text → vector - `passive/graph_updater.py` - ArangoDB async bulk writes @@ -90,7 +113,9 @@ This document serves as the index for all detailed component implementation plan --- ### 7. [API Module](./COMPONENT_PLAN_API.md) + **HTTP REST endpoints** - OAuth2, admin operations + - `api/auth_routes.py` - OAuth2 callbacks, token refresh endpoints - `api/admin_routes.py` - User data export/deletion (GDPR compliance) @@ -101,6 +126,7 @@ This document serves as the index for all detailed component implementation plan ## Implementation Order ### Phase 1: The Spine (Weeks 1-3) + 1. **Core Module** (Foundation - must be first) 2. **Memory Module** (Redis client only) 3. **Gateway Module** (WebSocket handler) @@ -108,21 +134,26 @@ This document serves as the index for all detailed component implementation plan 5. **Cognition Module** (LLM Router only) ### Phase 2: The Eyes (Weeks 4-6) + 6. **Perception Module** (Vision, OCR, Frame Sampler) 7. **Cognition Module** (Sync Node, Prompt Builder) ### Phase 3: The Memory (Weeks 7-9) + 8. **Memory Module** (Full - Cassandra, ArangoDB, Postgres) 9. **API Module** (Auth routes) ### Phase 4: The Subconscious (Weeks 10-12) + 10. **Passive Module** (All workers) 11. **Memory Module** (Graph Builder) ### Phase 5: Intelligence Refinement (Weeks 13-15) + 12. **Cognition Module** (Circuit Breaker) ### Phase 6: Production Hardening (Weeks 16-18) + 13. **API Module** (Admin routes - GDPR) --- @@ -130,17 +161,20 @@ This document serves as the index for all detailed component implementation plan ## Cross-Module Communication Patterns ### Direct Function Calls (In-Process) + - Gateway → Demux → Audio/Vision: Direct Python function calls - Audio → Sync Node: Direct function call with event emission - Sync Node → LLM Router: Direct function invocation - **Latency:** <1ms (no serialization overhead) ### Event-Driven (Async) + - Perception → Cognition: Async events via asyncio.Queue - Gateway → Passive: Redis Streams messages - **Latency:** <5ms (in-memory queue) or async (Redis Streams) ### Database Operations (Async) + - All modules → Memory: Async database clients with connection pooling - **Latency:** 5-10ms (local) or 50-100ms (remote) @@ -149,27 +183,32 @@ This document serves as the index for all detailed component implementation plan ## Concurrency Strategy Summary ### Gateway Module + - One asyncio task per WebSocket connection - Concurrent message handling per connection - Connection pool: Max 10K concurrent connections ### Perception Module + - Audio: One Deepgram WebSocket per session (async) - Vision: Queue-based processing (max 10 concurrent VLM inferences) - Frame Sampler: Single async task per session ### Cognition Module + - Sync Node: One state machine per session (async task) - LLM Router: Connection pooling (max 50 concurrent LLM requests) - Circuit Breaker: Thread-safe state with asyncio.Lock ### Memory Module + - Redis: Connection pool (50 connections) - Cassandra: Connection pool (20 connections) - ArangoDB: Connection pool (30 connections) - Postgres: Connection pool (10 connections) ### Passive Module + - Worker pool: 3-5 async workers per worker type - Redis Stream consumer groups for coordination - Batch processing for efficiency @@ -179,16 +218,19 @@ This document serves as the index for all detailed component implementation plan ## Event Loop Optimization Principles 1. **Never Block the Event Loop** + - All I/O operations are async (aiohttp, aioredis, asyncpg, etc.) - CPU-bound operations use `asyncio.to_thread()` - VLM inference runs in separate process/thread pool 2. **Connection Pooling** + - All database clients use connection pools - HTTP clients use connection pools (aiohttp) - Reuse connections across requests 3. **Batch Operations** + - Cassandra: Batch writes (fire-and-forget) - ArangoDB: Bulk graph updates - Redis: Pipeline operations when possible @@ -200,9 +242,23 @@ This document serves as the index for all detailed component implementation plan --- -## Next Steps +## Documentation Approach + +**Important:** When implementing new modules, always: + +1. **Reference actual code** - Check implemented modules (e.g., `core/`) for real APIs +2. **Use real imports** - Import from implemented modules, not assumptions from plans +3. **Update docs after implementation** - Replace `COMPONENT_PLAN_*.md` with `*_MODULE.md` reference docs +4. **Test against reality** - Tests should use actual implementations, not mocked assumptions -1. Review each component plan in detail -2. Start with Core Module implementation -3. Follow implementation order for dependencies -4. Test each module in isolation before integration +**Completed Reference Docs:** + +- [CORE_MODULE.md](./CORE_MODULE.md) - Full API reference for core module + +**Pending Implementation Plans:** + +- `COMPONENT_PLAN_GATEWAY.md` - Will become `GATEWAY_MODULE.md` after implementation +- `COMPONENT_PLAN_PERCEPTION.md` - Will become `PERCEPTION_MODULE.md` after implementation +- etc. + +--- diff --git a/docs/COMPONENT_PLAN_CORE.md b/docs/COMPONENT_PLAN_CORE.md deleted file mode 100644 index 8c65742..0000000 --- a/docs/COMPONENT_PLAN_CORE.md +++ /dev/null @@ -1,786 +0,0 @@ -# Core Module Implementation Plan - -**Module:** `core/` -**Purpose:** Foundation layer providing shared utilities for all modules -**Dependencies:** None (imported by all other modules) - ---- - -## Overview - -The core module provides stateless, thread-safe utilities used across the entire platform. It includes authentication, telemetry, exception handling, shared data models, and structured logging. - -**Key Principles:** -- Stateless design (no shared mutable state) -- Thread-safe operations -- Low-latency (<1ms overhead for most operations) -- Context-aware (trace_id propagation via contextvars) - ---- - -## File Structure - -``` -core/ -├── __init__.py -├── auth.py # JWT validation, user context extraction -├── telemetry.py # OpenTelemetry setup (traces, metrics, logs) -├── exceptions.py # Custom exceptions (SessionExpired, VLMTimeout, etc.) -├── models.py # Pydantic schemas (Session, User, Interaction, etc.) -└── logger.py # Structured logging configuration -``` - ---- - -## 1. `core/models.py` - Shared Pydantic Schemas - -### Purpose -Centralized data models used across all modules. All models are immutable (frozen) to prevent accidental mutation. - -### Schemas - -#### Session Models - -```python -from pydantic import BaseModel, Field -from enum import Enum -from uuid import UUID -from datetime import datetime -from typing import Optional, Dict, Any, List - -class SessionMode(str, Enum): - """Session operation mode""" - ACTIVE = "active" # Real-time conversational AI - PASSIVE = "passive" # Silent observer mode - -class SessionState(BaseModel): - """Session state stored in Redis""" - session_id: UUID - user_id: UUID - mode: SessionMode - created_at: datetime - last_activity: datetime - voice_id: Optional[str] = None - enable_vision: bool = False - preferences: Dict[str, Any] = Field(default_factory=dict) - - class Config: - frozen = True # Immutable - json_encoders = { - UUID: str, - datetime: lambda v: v.isoformat() - } -``` - -#### User Models - -```python -class UserContext(BaseModel): - """User context extracted from JWT token""" - user_id: UUID - email: str - name: Optional[str] = None - created_at: datetime - oauth_provider: Optional[str] = None # "google", "github", etc. - - class Config: - frozen = True -``` - -#### Interaction Models - -```python -class InteractionTurn(BaseModel): - """Single interaction turn (user query + AI response)""" - turn_id: UUID - session_id: UUID - timestamp: datetime - transcript: str - scene_description: Optional[str] = None - llm_response: str - model_used: str # "groq", "gemini", "ollama" - latency_ms: int - tokens_used: Optional[int] = None - - class Config: - frozen = True - -class ConversationHistory(BaseModel): - """Last N turns for context retrieval""" - user_id: UUID - turns: List[InteractionTurn] = Field(default_factory=list) - max_turns: int = 10 - - def add_turn(self, turn: InteractionTurn) -> "ConversationHistory": - """Add turn and maintain max_turns limit""" - new_turns = [turn] + self.turns - return ConversationHistory( - user_id=self.user_id, - turns=new_turns[:self.max_turns], - max_turns=self.max_turns - ) -``` - -#### Control Messages - -```python -class ControlMessageType(str, Enum): - """WebSocket control message types""" - SESSION_CONTROL = "session_control" - ERROR = "error" - ACK = "ack" - HEARTBEAT = "heartbeat" - -class ControlMessage(BaseModel): - """Control message sent via WebSocket (stream_type=0x03)""" - type: ControlMessageType - action: Optional[str] = None # "start_active_mode", "start_passive_mode", "end_session" - payload: Dict[str, Any] = Field(default_factory=dict) - timestamp: datetime = Field(default_factory=datetime.utcnow) - - class Config: - frozen = True -``` - -#### Binary Frame Models - -```python -class StreamType(int, Enum): - """Binary frame stream types""" - AUDIO = 0x01 - VIDEO = 0x02 - CONTROL = 0x03 - -class FrameFlags(int, Enum): - """Binary frame flags""" - END_OF_STREAM = 0x01 - PRIORITY = 0x02 - ERROR = 0x04 - -class BinaryFrame(BaseModel): - """Parsed binary frame from WebSocket""" - stream_type: StreamType - flags: int - payload: bytes - length: int - - @classmethod - def parse(cls, data: bytes) -> "BinaryFrame": - """Parse 4-byte header + payload""" - if len(data) < 4: - raise ValueError("Frame too short") - - stream_type = StreamType(data[0]) - flags = data[1] - length = int.from_bytes(data[2:4], 'big') - payload = data[4:4+length] - - if len(payload) != length: - raise ValueError("Payload length mismatch") - - return cls( - stream_type=stream_type, - flags=flags, - payload=payload, - length=length - ) - - def to_bytes(self) -> bytes: - """Serialize to binary frame format""" - header = bytes([ - self.stream_type.value, - self.flags, - *self.length.to_bytes(2, 'big') - ]) - return header + self.payload -``` - -### Concurrency Considerations -- All models use `frozen=True` to prevent mutation -- `Field(default_factory=dict)` avoids shared mutable defaults -- UUID generation uses `uuid.uuid4()` (thread-safe) -- Datetime uses `datetime.utcnow()` (thread-safe) - ---- - -## 2. `core/exceptions.py` - Custom Exception Hierarchy - -### Purpose -Structured error handling with context (trace_id, user_id) for distributed tracing. - -### Exception Classes - -```python -from typing import Optional -from uuid import UUID - -class NeroSpatialException(Exception): - """Base exception for all NeroSpatial errors""" - def __init__( - self, - message: str, - trace_id: Optional[str] = None, - user_id: Optional[UUID] = None, - **kwargs - ): - self.message = message - self.trace_id = trace_id - self.user_id = user_id - self.context = kwargs - super().__init__(self.message) - - def __str__(self) -> str: - parts = [self.message] - if self.trace_id: - parts.append(f"trace_id={self.trace_id}") - if self.user_id: - parts.append(f"user_id={self.user_id}") - return " | ".join(parts) - -class AuthenticationError(NeroSpatialException): - """JWT validation failed or token expired""" - pass - -class SessionExpiredError(NeroSpatialException): - """Session TTL expired in Redis""" - pass - -class SessionNotFoundError(NeroSpatialException): - """Session not found in Redis""" - pass - -class VLMTimeoutError(NeroSpatialException): - """VLM inference exceeded timeout threshold""" - def __init__(self, timeout_ms: int, **kwargs): - self.timeout_ms = timeout_ms - super().__init__(f"VLM inference timeout after {timeout_ms}ms", **kwargs) - -class LLMProviderError(NeroSpatialException): - """LLM API call failed (network, rate limit, etc.)""" - def __init__( - self, - message: str, - provider: str, - status_code: Optional[int] = None, - **kwargs - ): - self.provider = provider - self.status_code = status_code - super().__init__(f"{provider}: {message}", **kwargs) - -class CircuitBreakerOpenError(NeroSpatialException): - """Circuit breaker is open, provider unavailable""" - def __init__(self, provider: str, **kwargs): - self.provider = provider - super().__init__(f"Circuit breaker open for {provider}", **kwargs) - -class DatabaseError(NeroSpatialException): - """Database operation failed""" - def __init__( - self, - message: str, - db_type: str, - operation: str, - **kwargs - ): - self.db_type = db_type - self.operation = operation - super().__init__( - f"{db_type} {operation} failed: {message}", - **kwargs - ) - -class RateLimitExceeded(NeroSpatialException): - """User exceeded rate limit""" - def __init__( - self, - message: str, - limit: int, - window_seconds: int, - **kwargs - ): - self.limit = limit - self.window_seconds = window_seconds - super().__init__( - f"Rate limit exceeded: {limit} per {window_seconds}s", - **kwargs - ) - -class ValidationError(NeroSpatialException): - """Input validation failed""" - def __init__(self, message: str, field: Optional[str] = None, **kwargs): - self.field = field - super().__init__(message, **kwargs) -``` - -### Error Handling Pattern -```python -# Example usage in gateway -try: - user_context = await auth.validate_token(token) -except AuthenticationError as e: - logger.error("JWT validation failed", extra={"error": str(e), "trace_id": trace_id}) - raise -``` - ---- - -## 3. `core/auth.py` - JWT Validation & User Context - -### Purpose -JWT token validation with RS256, user context extraction, and caching. - -### Implementation - -```python -import jwt -from jwt import PyJWKClient -from typing import Dict, Any, Optional -from uuid import UUID -from datetime import datetime, timedelta -import asyncio -from functools import lru_cache - -from core.models import UserContext -from core.exceptions import AuthenticationError -from core.logger import get_logger - -logger = get_logger(__name__) - -class JWTAuth: - """JWT authentication and user context management""" - - def __init__( - self, - public_key_url: Optional[str] = None, - public_key: Optional[str] = None, - algorithm: str = "RS256", - cache_ttl_seconds: int = 300 # 5 minutes - ): - """ - Initialize JWT auth. - - Args: - public_key_url: URL to fetch JWKS (for RS256) - public_key: Direct public key string (alternative to URL) - algorithm: JWT algorithm (RS256 or HS256) - cache_ttl_seconds: User context cache TTL - """ - self.algorithm = algorithm - self.cache_ttl = cache_ttl_seconds - - if public_key_url: - self.jwks_client = PyJWKClient(public_key_url) - elif public_key: - self.public_key = public_key - else: - raise ValueError("Either public_key_url or public_key required") - - # User context cache: {user_id: (context, expiry)} - self._user_cache: Dict[UUID, tuple[UserContext, datetime]] = {} - self._cache_lock = asyncio.Lock() - - async def validate_token(self, token: str) -> Dict[str, Any]: - """ - Validate JWT token and return claims. - - Raises AuthenticationError if invalid. - - Concurrency: Thread-safe, no shared state during validation - """ - try: - if hasattr(self, 'jwks_client'): - # RS256: Fetch signing key from JWKS - signing_key = self.jwks_client.get_signing_key_from_jwt(token) - payload = jwt.decode( - token, - signing_key.key, - algorithms=[self.algorithm], - options={"verify_exp": True, "verify_signature": True} - ) - else: - # HS256 or direct public key - payload = jwt.decode( - token, - self.public_key, - algorithms=[self.algorithm], - options={"verify_exp": True, "verify_signature": True} - ) - - return payload - - except jwt.ExpiredSignatureError: - raise AuthenticationError("Token expired") - except jwt.InvalidTokenError as e: - raise AuthenticationError(f"Invalid token: {str(e)}") - - async def extract_user_context(self, token: str) -> UserContext: - """ - Extract user_id and user info from token. - Caches user context in memory (TTL: 5 minutes). - - Concurrency: Uses asyncio.Lock for cache updates - """ - claims = await self.validate_token(token) - - user_id = UUID(claims.get("sub") or claims.get("user_id")) - - # Check cache - async with self._cache_lock: - if user_id in self._user_cache: - context, expiry = self._user_cache[user_id] - if datetime.utcnow() < expiry: - return context - # Expired, remove from cache - del self._user_cache[user_id] - - # Build user context from claims - context = UserContext( - user_id=user_id, - email=claims.get("email", ""), - name=claims.get("name"), - created_at=datetime.fromtimestamp(claims.get("iat", 0)), - oauth_provider=claims.get("oauth_provider") - ) - - # Cache with TTL - async with self._cache_lock: - expiry = datetime.utcnow() + timedelta(seconds=self.cache_ttl) - self._user_cache[user_id] = (context, expiry) - - return context - - def generate_trace_id(self) -> str: - """Generate unique trace ID for request""" - import uuid - return str(uuid.uuid4()) - - async def clear_cache(self, user_id: Optional[UUID] = None): - """Clear user context cache""" - async with self._cache_lock: - if user_id: - self._user_cache.pop(user_id, None) - else: - self._user_cache.clear() -``` - -### Concurrency Optimizations -- JWT decoding is CPU-bound but fast (cache decoded structure) -- User context caching with `asyncio.Lock` for thread-safety -- Public key loaded once at startup (immutable) -- Cache cleanup on expiry (lazy eviction) - -### Event Loop Considerations -- JWT validation is synchronous (use `asyncio.to_thread()` if needed for heavy workloads) -- Cache lookups are in-memory (no I/O blocking) -- JWKS fetching is async (if using URL) - ---- - -## 4. `core/telemetry.py` - OpenTelemetry Instrumentation - -### Purpose -Distributed tracing, metrics, and logging integration with OpenTelemetry. - -### Implementation - -```python -from opentelemetry import trace, metrics -from opentelemetry.sdk.trace import TracerProvider -from opentelemetry.sdk.trace.export import BatchSpanProcessor -from opentelemetry.sdk.metrics import MeterProvider -from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader -from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import OTLPSpanExporter -from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import OTLPMetricExporter -from opentelemetry.sdk.resources import Resource -from typing import Optional, Dict, Any -import contextvars - -# Context variable for trace_id propagation -trace_id_var: contextvars.ContextVar[Optional[str]] = contextvars.ContextVar('trace_id', default=None) - -class TelemetryManager: - """OpenTelemetry instrumentation manager""" - - def __init__( - self, - service_name: str, - otlp_endpoint: str, - environment: str = "production" - ): - """ - Initialize telemetry. - - Args: - service_name: Service name (e.g., "nerospatial-gateway") - otlp_endpoint: OTLP gRPC endpoint (e.g., "http://jaeger:4317") - environment: Deployment environment - """ - resource = Resource.create({ - "service.name": service_name, - "service.environment": environment - }) - - # Initialize TracerProvider - self.tracer_provider = TracerProvider(resource=resource) - otlp_exporter = OTLPSpanExporter(endpoint=otlp_endpoint, insecure=True) - span_processor = BatchSpanProcessor(otlp_exporter) - self.tracer_provider.add_span_processor(span_processor) - trace.set_tracer_provider(self.tracer_provider) - - # Initialize MeterProvider - self.meter_provider = MeterProvider( - resource=resource, - metric_readers=[ - PeriodicExportingMetricReader( - OTLPMetricExporter(endpoint=otlp_endpoint, insecure=True), - export_interval_millis=5000 - ) - ] - ) - metrics.set_meter_provider(self.meter_provider) - - self.service_name = service_name - - def get_tracer(self, name: str) -> trace.Tracer: - """Get tracer for specific module""" - return trace.get_tracer(name) - - def get_meter(self, name: str) -> metrics.Meter: - """Get meter for metrics""" - return metrics.get_meter(name) - - def create_span( - self, - name: str, - trace_id: Optional[str] = None, - parent_span_id: Optional[str] = None - ) -> trace.Span: - """Create span with optional parent trace_id""" - tracer = self.get_tracer(self.service_name) - - # Set trace_id in context - if trace_id: - trace_id_var.set(trace_id) - - # Create span (OpenTelemetry handles parent context automatically) - span = tracer.start_span(name) - return span - - def record_metric( - self, - name: str, - value: float, - tags: Dict[str, str], - metric_type: str = "histogram" - ): - """Record custom metric""" - meter = self.get_meter(self.service_name) - - if metric_type == "histogram": - histogram = meter.create_histogram(name) - histogram.record(value, tags) - elif metric_type == "counter": - counter = meter.create_counter(name) - counter.add(value, tags) - elif metric_type == "gauge": - gauge = meter.create_up_down_counter(name) - gauge.add(value, tags) - -# Predefined metrics -METRICS = { - "request_duration": "nerospatial_request_duration_seconds", - "requests_total": "nerospatial_requests_total", - "websocket_connections": "nerospatial_websocket_connections", - "llm_ttft": "nerospatial_llm_ttft_seconds", - "llm_errors": "nerospatial_llm_errors_total", - "vlm_inference": "nerospatial_vlm_inference_seconds", - "vlm_queue_depth": "nerospatial_vlm_queue_depth", - "db_query_duration": "nerospatial_db_query_duration_seconds", -} -``` - -### Metrics to Track -- `nerospatial_request_duration_seconds` (histogram) - Request latency -- `nerospatial_requests_total` (counter) - Request count by status -- `nerospatial_websocket_connections` (gauge) - Active connections -- `nerospatial_llm_ttft_seconds` (histogram) - Time to first token -- `nerospatial_llm_errors_total` (counter) - LLM errors by provider -- `nerospatial_vlm_inference_seconds` (histogram) - VLM latency -- `nerospatial_vlm_queue_depth` (gauge) - VLM queue size -- `nerospatial_db_query_duration_seconds` (histogram) - DB query latency - -### Concurrency Considerations -- OpenTelemetry SDK is thread-safe -- Metrics are recorded asynchronously (batched exports) -- Spans are context-local (asyncio context vars) -- Batch processors prevent blocking event loop - -### Event Loop Optimizations -- OTLP exports are batched (non-blocking) -- Use async exporters to avoid blocking event loop -- Batch span processor flushes every 5 seconds - ---- - -## 5. `core/logger.py` - Structured Logging - -### Purpose -JSON-structured logging with trace_id propagation via contextvars. - -### Implementation - -```python -import logging -import json -from datetime import datetime -from typing import Optional, Dict, Any -import contextvars -import sys - -# Context variable for trace_id -trace_id_var: contextvars.ContextVar[Optional[str]] = contextvars.ContextVar('trace_id', default=None) - -class StructuredFormatter(logging.Formatter): - """JSON formatter for structured logging""" - - def format(self, record: logging.LogRecord) -> str: - """Format log record as JSON""" - log_data = { - "timestamp": datetime.utcnow().isoformat() + "Z", - "level": record.levelname, - "service": record.name, - "message": record.getMessage(), - "trace_id": trace_id_var.get(), - } - - # Add exception info if present - if record.exc_info: - log_data["exception"] = self.formatException(record.exc_info) - - # Add extra fields from record - if hasattr(record, "user_id"): - log_data["user_id"] = str(record.user_id) - if hasattr(record, "session_id"): - log_data["session_id"] = str(record.session_id) - if hasattr(record, "error"): - log_data["error"] = record.error - if hasattr(record, "latency_ms"): - log_data["latency_ms"] = record.latency_ms - - # Add any extra context - if hasattr(record, "extra_context"): - log_data.update(record.extra_context) - - return json.dumps(log_data, default=str) - -def setup_logging(level: str = "INFO", service_name: str = "nerospatial"): - """ - Configure structured JSON logging. - - Args: - level: Log level (DEBUG, INFO, WARNING, ERROR, CRITICAL) - service_name: Service name for log records - """ - handler = logging.StreamHandler(sys.stdout) - handler.setFormatter(StructuredFormatter()) - - root_logger = logging.getLogger() - root_logger.addHandler(handler) - root_logger.setLevel(getattr(logging, level)) - - # Set service name - logging.getLogger(service_name).setLevel(getattr(logging, level)) - -def get_logger(name: str) -> logging.Logger: - """Get logger for module""" - return logging.getLogger(name) - -def set_trace_id(trace_id: str): - """Set trace_id in context for current async task""" - trace_id_var.set(trace_id) - -def get_trace_id() -> Optional[str]: - """Get trace_id from context""" - return trace_id_var.get() - -# Context manager for trace_id -class TraceContext: - """Context manager for trace_id""" - def __init__(self, trace_id: str): - self.trace_id = trace_id - self.token = None - - def __enter__(self): - self.token = trace_id_var.set(self.trace_id) - return self - - def __exit__(self, exc_type, exc_val, exc_tb): - trace_id_var.reset(self.token) -``` - -### Concurrency Considerations -- `contextvars` ensures trace_id is isolated per async task -- JSON serialization is thread-safe -- Logger instances are thread-safe -- No shared mutable state - -### Event Loop Optimizations -- Logging is synchronous but fast (in-memory buffer) -- Consider async logging handler for high-throughput scenarios (>10K logs/sec) -- JSON serialization is CPU-bound but lightweight - ---- - -## Integration Points - -### Core → Gateway -- `core.auth.JWTAuth.validate_token()` called on WebSocket connection -- `core.models.SessionState` stored in Redis by gateway -- `core.exceptions.SessionExpiredError` raised when session TTL expires - -### Core → All Modules -- All modules import `core.exceptions` for error handling -- All modules use `core.logger.get_logger()` for logging -- All modules use `core.telemetry` for tracing -- All modules use `core.models` for data structures - ---- - -## Testing Strategy - -### Unit Tests -- JWT validation with valid/invalid/expired tokens -- Exception hierarchy and context propagation -- Logger JSON output format validation -- Telemetry span creation and export -- User context caching behavior - -### Integration Tests -- Trace ID propagation across async boundaries -- Error handling in concurrent scenarios -- Cache eviction on TTL expiry - ---- - -## Performance Targets - -- JWT validation: <1ms (cached public key) -- User context extraction: <5ms (cache hit) or <50ms (cache miss + DB query) -- Logging overhead: <0.1ms per log entry -- Telemetry span creation: <0.05ms -- Exception creation: <0.01ms - ---- - -## Dependencies - -```python -# requirements.txt additions for core module -pydantic>=2.0.0 -pyjwt>=2.8.0 -cryptography>=41.0.0 # For RS256 -opentelemetry-api>=1.20.0 -opentelemetry-sdk>=1.20.0 -opentelemetry-exporter-otlp-proto-grpc>=1.20.0 -``` diff --git a/docs/CORE_MODULE.md b/docs/CORE_MODULE.md new file mode 100644 index 0000000..98a55b8 --- /dev/null +++ b/docs/CORE_MODULE.md @@ -0,0 +1,654 @@ +# Core Module Reference + +**Module:** `core/` +**Version:** 1.0 +**Status:** Production Ready +**Dependencies:** None (foundation for all other modules) + +--- + +## Overview + +The core module provides the foundational utilities and shared components for the NeroSpatial Backend. It is designed as a stateless, thread-safe foundation that all other modules import and depend upon. + +### Design Principles + +- **Stateless Operations**: No shared mutable state between requests +- **Thread-Safe**: Safe for concurrent async operations +- **Low Latency**: < 1ms overhead for most operations +- **Context-Aware**: Automatic trace_id propagation via `contextvars` +- **Protocol-Based**: Uses Python protocols for dependency injection + +--- + +## Architecture + +```mermaid +graph TB + subgraph "Core Module" + AUTH[auth.py
JWT Authentication] + TELEM[telemetry.py
OpenTelemetry] + LOG[logger.py
Structured Logging] + EXC[exceptions.py
Exception Hierarchy] + CFG[config_loader.py
Azure Config] + KV[keyvault.py
Azure Key Vault] + STATE[app_state.py
App State Container] + + subgraph "Models" + USER[user.py] + SESS[session.py] + INTER[interaction.py] + PROTO[protocol.py] + end + + subgraph "Protocols/Stubs" + DB[database.py
DatabasePool Protocol] + REDIS[redis.py
RedisClient Protocol] + end + end + + AUTH --> LOG + AUTH --> EXC + CFG --> KV + CFG --> EXC + STATE --> AUTH + STATE --> TELEM + STATE --> KV + + style AUTH fill:#4CAF50 + style TELEM fill:#2196F3 + style LOG fill:#FF9800 + style EXC fill:#f44336 + style CFG fill:#9C27B0 + style KV fill:#9C27B0 + style STATE fill:#607D8B +``` + +--- + +## Module Structure + +``` +core/ +├── __init__.py # Public API exports +├── app_state.py # Application state container +├── auth.py # JWT authentication +├── config_loader.py # Azure App Config + Key Vault loader +├── database.py # Database pool protocol (stub) +├── exceptions.py # Custom exception hierarchy +├── keyvault.py # Azure Key Vault client +├── logger.py # Structured JSON logging +├── redis.py # Redis client protocol (stub) +├── telemetry.py # OpenTelemetry instrumentation +└── models/ + ├── __init__.py # Model exports + ├── user.py # User, UserContext, RefreshToken, etc. + ├── session.py # SessionState, SessionMode + ├── interaction.py # InteractionTurn, ConversationHistory + └── protocol.py # BinaryFrame, ControlMessage +``` + +--- + +## Components + +### 1. Authentication (`auth.py`) + +JWT-based authentication with RS256 signing, token refresh with rotation, and blacklist management. + +```mermaid +sequenceDiagram + participant Client + participant JWTAuth + participant Redis + participant Postgres + + Client->>JWTAuth: validate_token(token) + JWTAuth->>JWTAuth: Verify signature + JWTAuth->>Redis: Check blacklist + Redis-->>JWTAuth: Not blacklisted + JWTAuth-->>Client: Claims + + Client->>JWTAuth: extract_user_context(token) + JWTAuth->>Redis: Check cache + alt Cache hit + Redis-->>JWTAuth: Cached context + else Cache miss + JWTAuth->>JWTAuth: Build from claims + JWTAuth->>Redis: Cache context + end + JWTAuth-->>Client: UserContext +``` + +**Key Class: `JWTAuth`** + +| Method | Description | +| --------------------------------------- | --------------------------------- | +| `validate_token(token)` | Validate JWT and return claims | +| `extract_user_context(token)` | Extract UserContext with caching | +| `generate_tokens(user)` | Generate access + refresh tokens | +| `refresh_tokens(refresh_token)` | Refresh with rotation | +| `blacklist_token(jti, user_id, reason)` | Add token to blacklist | +| `logout(token)` | Full logout (blacklist + cleanup) | + +**Configuration:** + +| Parameter | Default | Description | +| ------------------- | --------------- | ---------------------- | +| `algorithm` | RS256 | JWT signing algorithm | +| `access_token_ttl` | 900 (15 min) | Access token lifetime | +| `refresh_token_ttl` | 604800 (7 days) | Refresh token lifetime | +| `cache_ttl_seconds` | 300 (5 min) | User context cache TTL | + +--- + +### 2. Telemetry (`telemetry.py`) + +OpenTelemetry integration for distributed tracing and metrics. + +**Key Class: `TelemetryManager`** + +| Method | Description | +| ---------------------------------------- | --------------------------- | +| `get_tracer(name)` | Get tracer for module | +| `get_meter(name)` | Get meter for metrics | +| `create_span(name, attributes)` | Create span with attributes | +| `record_metric(name, value, tags, type)` | Record metric | +| `shutdown()` | Flush and close exporters | + +**Predefined Metrics (`Metrics` class):** + +| Metric | Type | Description | +| ----------------------- | --------- | ---------------------------- | +| `REQUEST_DURATION` | Histogram | Request latency in seconds | +| `REQUESTS_TOTAL` | Counter | Total request count | +| `WEBSOCKET_CONNECTIONS` | Gauge | Active WebSocket connections | +| `LLM_TTFT` | Histogram | LLM time to first token | +| `VLM_INFERENCE` | Histogram | VLM inference latency | +| `DB_QUERY_DURATION` | Histogram | Database query latency | +| `AUTH_LOGIN_TOTAL` | Counter | Total login attempts | + +--- + +### 3. Logger (`logger.py`) + +Structured JSON logging with automatic trace_id propagation. + +**Log Output Format:** + +```json +{ + "timestamp": "2024-01-15T10:30:00.000Z", + "level": "INFO", + "service": "core.auth", + "message": "User logged in", + "trace_id": "abc-123-def", + "user_id": "user-uuid" +} +``` + +**Key Functions:** + +| Function | Description | +| ------------------------------------ | ----------------------------- | +| `setup_logging(level, service_name)` | Initialize structured logging | +| `get_logger(name)` | Get logger for module | +| `set_trace_id(trace_id)` | Set trace_id in context | +| `get_trace_id()` | Get current trace_id | +| `TraceContext(trace_id)` | Context manager for trace_id | + +--- + +### 4. Exceptions (`exceptions.py`) + +Custom exception hierarchy with trace context. + +```mermaid +classDiagram + NeroSpatialException <|-- AuthenticationError + NeroSpatialException <|-- AuthorizationError + NeroSpatialException <|-- SessionExpiredError + NeroSpatialException <|-- SessionNotFoundError + NeroSpatialException <|-- VLMTimeoutError + NeroSpatialException <|-- LLMProviderError + NeroSpatialException <|-- CircuitBreakerOpenError + NeroSpatialException <|-- DatabaseError + NeroSpatialException <|-- RateLimitExceeded + NeroSpatialException <|-- ValidationError + + class NeroSpatialException { + +str message + +str trace_id + +UUID user_id + +dict context + } +``` + +| Exception | When Raised | +| ------------------------- | --------------------------------- | +| `AuthenticationError` | Invalid/expired/blacklisted token | +| `AuthorizationError` | User status not ACTIVE | +| `SessionExpiredError` | Session TTL exceeded | +| `SessionNotFoundError` | Session not in Redis | +| `VLMTimeoutError` | VLM inference timeout | +| `LLMProviderError` | LLM API failure | +| `CircuitBreakerOpenError` | Provider circuit breaker open | +| `DatabaseError` | Database operation failure | +| `RateLimitExceeded` | Rate limit exceeded | +| `ValidationError` | Input validation failure | + +--- + +### 5. Configuration (`config_loader.py`) + +Azure App Configuration + Key Vault integration with environment-based validation. + +```mermaid +flowchart TD + START[Start] --> ENV{Environment?} + ENV -->|production/staging| VALIDATE[Validate Azure URLs] + ENV -->|development| FALLBACK[Use .env fallback] + + VALIDATE -->|Missing| ERROR[Raise ValidationError] + VALIDATE -->|OK| AZURE[Load from Azure] + + AZURE --> RETRY{Retry Logic} + RETRY -->|Success| MERGE[Merge with Settings] + RETRY -->|Fail 3x| ERROR + + FALLBACK --> DONE[Return empty dict] + MERGE --> DONE +``` + +**Environment Validation Rules:** + +| Environment | Azure App Config | Azure Key Vault | Credentials | +| ----------- | ---------------- | --------------- | ----------- | +| production | Required | Required | Required | +| staging | Required | Required | Required | +| development | Optional | Optional | Optional | + +--- + +### 6. Key Vault (`keyvault.py`) + +Azure Key Vault client with caching and environment fallback. + +**Key Class: `KeyVaultClient`** + +| Method | Description | +| -------------------------------------- | ---------------------------- | +| `get_secret(name, default, use_cache)` | Get secret with caching | +| `set_secret(name, value)` | Set secret (admin) | +| `delete_secret(name)` | Delete secret (admin) | +| `clear_cache(name)` | Clear cache | +| `is_available()` | Check if Key Vault connected | + +**Secret Fallback Order:** + +1. Check in-memory cache +2. Fetch from Azure Key Vault +3. Fallback to environment variable (e.g., `jwt-public-key` -> `JWT_PUBLIC_KEY`) +4. Return default value + +--- + +### 7. Application State (`app_state.py`) + +Centralized state container for application services. + +**Key Class: `AppState`** + +| Field | Type | Description | +| ---------------- | ---------------- | ------------------------- | +| `settings` | Settings | Application configuration | +| `db_pool` | DatabasePool | Database connection pool | +| `redis_client` | RedisClient | Redis client | +| `jwt_auth` | JWTAuth | JWT authentication | +| `telemetry` | TelemetryManager | Telemetry manager | +| `key_vault` | KeyVaultClient | Key Vault client | +| `started_at` | datetime | Startup timestamp | +| `is_ready` | bool | Ready for traffic | +| `startup_errors` | list[str] | Startup error messages | + +**Protocols Defined:** + +- `DatabasePool`: Interface for database connection pool +- `RedisClient`: Interface for Redis client + +These protocols allow the memory module to provide real implementations while core module works with stubs for testing. + +--- + +### 8. Models (`models/`) + +Pydantic models organized by domain. + +#### User Models (`user.py`) + +| Model | Description | +| --------------------- | ------------------------------------ | +| `User` | Full user profile (PostgreSQL) | +| `UserContext` | JWT-extracted context (Redis cached) | +| `RefreshToken` | Refresh token record | +| `TokenBlacklistEntry` | Blacklisted token | +| `AuditLog` | Audit trail entry | + +#### Session Models (`session.py`) + +| Model | Description | +| -------------- | ---------------------- | +| `SessionState` | Session state (Redis) | +| `SessionMode` | ACTIVE or PASSIVE mode | + +#### Interaction Models (`interaction.py`) + +| Model | Description | +| --------------------- | --------------------------- | +| `InteractionTurn` | Single conversation turn | +| `ConversationHistory` | Conversation context window | + +#### Protocol Models (`protocol.py`) + +| Model | Description | +| ---------------- | -------------------------- | +| `BinaryFrame` | WebSocket binary frame | +| `ControlMessage` | WebSocket control message | +| `StreamType` | Audio/Video/Control stream | +| `FrameFlags` | Frame metadata flags | + +--- + +## Public API + +All public exports from `core/__init__.py`: + +```python +from core import ( + # App State + AppState, DatabasePool, RedisClient, + + # Config + ConfigLoader, + + # Auth + JWTAuth, + + # Key Vault + KeyVaultClient, + + # Logger + get_logger, setup_logging, set_trace_id, get_trace_id, TraceContext, + + # Telemetry + TelemetryManager, Metrics, + + # Exceptions + NeroSpatialException, AuthenticationError, AuthorizationError, + SessionExpiredError, SessionNotFoundError, VLMTimeoutError, + LLMProviderError, CircuitBreakerOpenError, DatabaseError, + RateLimitExceeded, ValidationError, + + # Enums + UserStatus, OAuthProvider, TokenRevocationReason, AuditAction, + SessionMode, ControlMessageType, StreamType, FrameFlags, + + # Models + User, UserContext, RefreshToken, TokenBlacklistEntry, AuditLog, + SessionState, InteractionTurn, ConversationHistory, + ControlMessage, BinaryFrame, +) +``` + +--- + +## Test Coverage + +| Test File | Component | Coverage | +| ----------------------- | ---------------- | ------------------------------------------------ | +| `test_auth.py` | JWTAuth | Token validation, generation, refresh, blacklist | +| `test_telemetry.py` | TelemetryManager | Init, tracing, metrics, shutdown | +| `test_exceptions.py` | All exceptions | Creation, string formatting, context | +| `test_models.py` | All models | Validation, serialization, methods | +| `test_keyvault.py` | KeyVaultClient | Get/set secrets, caching, fallback | +| `test_config_loader.py` | ConfigLoader | Environment validation, loading | +| `test_app_state.py` | AppState | State management, cleanup | + +**Run Tests:** + +```bash +uv run pytest tests/core/ -v +``` + +--- + +## Important: SRE/DevOps Requirements + +### Required Infrastructure + +| Service | Port | Purpose | Required In | +| ---------------- | ----- | -------------------------- | ------------------ | +| PostgreSQL | 5432 | User data, tokens | All environments | +| Redis | 6379 | Cache, sessions, blacklist | All environments | +| Jaeger/OTLP | 4317 | Telemetry collection | Production/Staging | +| Azure Key Vault | HTTPS | Secret management | Production/Staging | +| Azure App Config | HTTPS | Configuration | Production/Staging | + +### Required Environment Variables + +#### Bootstrap (Always Required) + +```bash +# Environment +ENVIRONMENT=production|staging|development + +# Azure (Required for production/staging) +AZURE_KEY_VAULT_URL=https://.vault.azure.net/ +AZURE_APP_CONFIG_URL=https://.azconfig.io +AZURE_TENANT_ID= +AZURE_CLIENT_ID= +AZURE_CLIENT_SECRET= +``` + +#### Application Settings + +```bash +# Application +APP_NAME=NeroSpatial Backend +APP_VERSION=0.1.0 +LOG_LEVEL=INFO + +# PostgreSQL +POSTGRES_HOST=localhost +POSTGRES_PORT=5432 +POSTGRES_DB=nerospatial +POSTGRES_USER=nerospatial +POSTGRES_PASSWORD= +POSTGRES_POOL_MIN=5 +POSTGRES_POOL_MAX=20 + +# Redis +REDIS_HOST=localhost +REDIS_PORT=6379 +REDIS_DB=0 +REDIS_PASSWORD= + +# JWT (Keys from Key Vault) +JWT_ALGORITHM=RS256 +JWT_ACCESS_TOKEN_TTL=900 +JWT_REFRESH_TOKEN_TTL=604800 +JWT_CACHE_TTL=300 +JWT_PRIVATE_KEY= +JWT_PUBLIC_KEY= + +# OpenTelemetry +OTEL_ENDPOINT=http://jaeger:4317 +OTEL_ENABLE_TRACING=true +OTEL_ENABLE_METRICS=true +``` + +### Required Secrets in Azure Key Vault + +| Secret Name | Description | +| ------------------- | ----------------------- | +| `postgres-password` | PostgreSQL password | +| `redis-password` | Redis password | +| `jwt-private-key` | RS256 private key (PEM) | +| `jwt-public-key` | RS256 public key (PEM) | + +### Health Check Endpoints + +| Endpoint | Purpose | Returns | +| ------------- | ----------------- | -------------------------- | +| `GET /health` | Full health check | Status + dependency checks | +| `GET /ready` | Readiness probe | 200 when ready | +| `GET /live` | Liveness probe | 200 if process alive | + +### Startup Sequence + +```mermaid +sequenceDiagram + participant App + participant ConfigLoader + participant KeyVault + participant Database + participant Redis + + App->>ConfigLoader: Load configuration + ConfigLoader->>ConfigLoader: Validate environment + ConfigLoader->>KeyVault: Load secrets + KeyVault-->>ConfigLoader: Secrets + ConfigLoader-->>App: Settings + + App->>Database: Create pool + App->>Redis: Create client + App->>App: Initialize JWTAuth + App->>App: Initialize Telemetry + + App->>Database: Verify connection + App->>Redis: Verify connection + + alt All OK + App->>App: Mark ready + else Failure + App->>App: Record error, exit + end +``` + +### Graceful Shutdown + +On SIGTERM/SIGINT: + +1. Stop accepting new connections +2. Close Redis connections +3. Close database pool +4. Shutdown telemetry (flush exporters) +5. Exit + +--- + +## Usage Examples + +### Initialize Logging + +```python +from core import setup_logging, get_logger, TraceContext + +setup_logging(level="INFO", service_name="my-service") +logger = get_logger(__name__) + +with TraceContext("request-123"): + logger.info("Processing request") # trace_id auto-included +``` + +### JWT Authentication + +```python +from core import JWTAuth, AuthenticationError + +jwt_auth = JWTAuth( + public_key=public_key_pem, + private_key=private_key_pem, + redis_client=redis, + postgres_client=postgres, +) + +# Validate token +try: + claims = await jwt_auth.validate_token(token) + user_ctx = await jwt_auth.extract_user_context(token) +except AuthenticationError as e: + # Handle invalid token + pass +``` + +### Configuration Loading + +```python +from config import Settings +from core import ConfigLoader, ValidationError + +bootstrap = Settings() # Load from .env +loader = ConfigLoader(bootstrap) + +try: + config = await loader.load() + settings = Settings(**{**bootstrap.model_dump(), **config}) +except ValidationError as e: + # Handle missing Azure config in production + pass +``` + +### Recording Metrics + +```python +from core import TelemetryManager, Metrics + +telemetry = TelemetryManager( + service_name="gateway", + otlp_endpoint="http://jaeger:4317", +) + +# Record latency +telemetry.record_metric( + Metrics.REQUEST_DURATION, + 0.150, # 150ms + tags={"endpoint": "/health"}, + metric_type="histogram", +) +``` + +--- + +## Migration Notes + +### From Plan to Implementation + +The following changes were made from the original component plan: + +1. **Models split into submodules**: `models.py` -> `models/` directory +2. **Database/Redis as protocols**: Real implementations in `memory/` module +3. **Added `app_state.py`**: Centralized state container +4. **Added `config_loader.py`**: Azure integration +5. **Added `keyvault.py`**: Secret management + +### Future Considerations + +- Real database pool implementation in `memory/` module +- Real Redis client implementation in `memory/` module +- RBAC support in `JWTAuth` (currently status-based only) +- Metric aggregation and alerting rules + +--- + +## Changelog + +### v1.0 (Current) + +- Initial production release +- JWT authentication with RS256 +- OpenTelemetry integration +- Azure Key Vault + App Config +- Structured JSON logging +- Full exception hierarchy +- Pydantic models for all domains