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.github/workflows/codeql.yml

@@ -32,6 +32,12 @@ jobs:
             - name: Checkout repository
               uses: actions/checkout@v5
 
+            - name: Setup Python
+              if: matrix.language == 'python'
+              uses: actions/setup-python@v6
+              with:
+                  python-version: '3.13'
+
             - name: Initialize CodeQL
               uses: github/codeql-action/init@v4
               with:

.gitignore

@@ -0,0 +1,58 @@
+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+.Python
+*.egg
+*.egg-info/
+dist/
+build/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.whl
+.installed.cfg
+
+# Virtual environments
+.venv/
+venv/
+env/
+ENV/
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# IDEs
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+
+# Environment variables
+.env
+.env.*
+!.env.example
+
+# Node
+node_modules/
+npm-debug.log*
+
+# Distribution
+*.tar.gz
+*.zip

backend/auth.py

@@ -2,37 +2,84 @@
 import os
 import bcrypt
 import secrets
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from pathlib import Path
 from typing import Optional
 
 from jose import JWTError, jwt
 from fastapi import Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordBearer
 
+logger = logging.getLogger(__name__)
+
 
 def _resolve_secret_key() -> tuple[str, bool]:
     configured = str(os.getenv("SECRET_KEY") or "").strip()
     if configured:
         return configured, False
 
-    fallback_path = Path(
-        os.getenv(
-            "SECRET_KEY_FILE",
-            str(Path(os.getenv("TEMP") or "/tmp") / "codeai_jwt_secret.key"),
-        )
-    )
-    try:
-        fallback_path.parent.mkdir(parents=True, exist_ok=True)
-        if fallback_path.exists():
-            cached_secret = fallback_path.read_text(encoding="utf-8").strip()
-            if cached_secret:
+    configured_file = str(os.getenv("SECRET_KEY_FILE") or "").strip()
+    if configured_file:
+        fallback_path = Path(configured_file).expanduser()
+        try:
+            if fallback_path.exists():
+                if not fallback_path.is_file():
+                    raise RuntimeError(
+                        f"SECRET_KEY_FILE is configured but is not a file: {fallback_path}"
+                    )
+                cached_secret = fallback_path.read_text(encoding="utf-8").strip()
+                if not cached_secret:
+                    raise RuntimeError(
+                        f"SECRET_KEY_FILE is configured but empty: {fallback_path}"
+                    )
                 return cached_secret, True
-        generated_secret = secrets.token_urlsafe(48)
-        fallback_path.write_text(generated_secret, encoding="utf-8")
-        return generated_secret, True
-    except Exception:
-        return secrets.token_urlsafe(48), True
+
+            fallback_path.parent.mkdir(parents=True, exist_ok=True)
+            generated_secret = secrets.token_urlsafe(48)
+            fd = os.open(str(fallback_path), os.O_WRONLY | os.O_CREAT | os.O_EXCL, 0o600)
+            try:
+                with os.fdopen(fd, "w", encoding="utf-8") as secret_file:
+                    secret_file.write(generated_secret)
+                    secret_file.write("\n")
+            except Exception:
+                try:
+                    fallback_path.unlink()
+                except OSError:
+                    logger.exception(
+                        "Failed to clean up partially written SECRET_KEY_FILE at %s.",
+                        str(fallback_path),
+                    )
+                raise
+
+            try:
+                os.chmod(fallback_path, 0o600)
+            except OSError:
+                logger.exception(
+                    "Failed to set permissions on SECRET_KEY_FILE at %s.",
+                    str(fallback_path),
+                )
+                raise RuntimeError(
+                    f"Failed to set secure permissions on SECRET_KEY_FILE: {fallback_path}"
+                )
+
+            logger.warning(
+                "SECRET_KEY_FILE did not exist; generated and stored a new persistent secret at %s with mode 0600.",
+                str(fallback_path),
+            )
+            return generated_secret, True
+        except Exception as exc:
+            logger.exception(
+                "Failed to initialize SECRET_KEY_FILE at %s. Refusing to start with an ephemeral runtime secret.",
+                str(fallback_path),
+            )
+            raise RuntimeError(
+                f"Failed to initialize SECRET_KEY from SECRET_KEY_FILE: {fallback_path}"
+            ) from exc
+    else:
+        logger.error(
+            "SECRET_KEY/SECRET_KEY_FILE is not configured; generating ephemeral runtime secret that invalidates tokens on restart."
+        )
+    return secrets.token_urlsafe(48), True
 
 
 SECRET_KEY, SECRET_KEY_IS_RUNTIME_FALLBACK = _resolve_secret_key()
@@ -42,7 +89,6 @@ def _resolve_secret_key() -> tuple[str, bool]:
 )
 
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
-logger = logging.getLogger(__name__)
 
 
 def get_password_hash(password: str) -> str:
@@ -68,7 +114,7 @@ def create_access_token(
 ) -> str:
     to_encode = data.copy()
     if not no_expiry:
-        expire = datetime.utcnow() + (
+        expire = datetime.now(timezone.utc) + (
             expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
         )
         to_encode.update({"exp": expire})

backend/auth_router.py

@@ -1,4 +1,4 @@
-from datetime import datetime, timedelta
+
 from secrets import compare_digest, randbelow, token_urlsafe
 import base64
 import os
@@ -7,7 +7,7 @@
 from fastapi import APIRouter, Depends, HTTPException, Request, status
 from fastapi.security import OAuth2PasswordRequestForm
 from typing import Optional, cast
-from pydantic import BaseModel, EmailStr
+
 from sqlalchemy.orm import Session
 from webauthn import (
     generate_authentication_options,
@@ -82,8 +82,7 @@ class UserResponse(BaseModel):
     business_registration_number: Optional[str] = None
     representative_name: Optional[str] = None
 
-    class Config:
-        from_attributes = True
+    model_config = ConfigDict(from_attributes=True)
 
 
 class Token(BaseModel):
@@ -254,7 +253,7 @@ class PasswordRecoveryResetResponse(BaseModel):
 
 
 def _issue_recovery_token(prefix: str) -> tuple[str, datetime]:
-    expires_at = datetime.utcnow() + timedelta(minutes=10)
+
     return f"{prefix}_{token_urlsafe(24)}", expires_at
 
 
@@ -273,7 +272,7 @@ def _normalize_password_recovery_scope(scope: str) -> str:
 
 
 def _purge_expired_password_recovery_sessions() -> None:
-    now = datetime.utcnow()
+
     expired_tokens = [
         session_token
         for session_token, session_state in _password_recovery_store.items()
@@ -380,7 +379,7 @@ def start_passkey_registration(
         "user_id": int(user.id),
         "challenge": _to_base64url(options.challenge),
         "device_label": str(payload.device_label or "이 기기 패스키").strip() or "이 기기 패스키",
-        "expires_at": datetime.utcnow() + timedelta(minutes=5),
+        "expires_at": datetime.now(timezone.utc) + timedelta(minutes=5),
         "user_handle": user_handle,
         "rp_id": rp_id,
         "expected_origin": expected_origin,
@@ -403,7 +402,7 @@ def finish_passkey_registration(
         raise HTTPException(status_code=404, detail="패스키 등록 세션을 찾을 수 없습니다")
 
     expires_at = state.get("expires_at")
-    if not isinstance(expires_at, datetime) or expires_at <= datetime.utcnow():
+    if not isinstance(expires_at, datetime) or expires_at <= datetime.now(timezone.utc):
         _passkey_registration_store.pop(payload.registration_token, None)
         raise HTTPException(status_code=410, detail="패스키 등록 세션이 만료되었습니다")
 
@@ -430,7 +429,7 @@ def finish_passkey_registration(
     user.passkey_public_key = _to_base64url(verification.credential_public_key)
     user.passkey_device_label = str(state.get("device_label") or "이 기기 패스키")
     user.passkey_sign_count = int(verification.sign_count)
-    user.passkey_registered_at = datetime.utcnow()
+    user.passkey_registered_at = datetime.now(timezone.utc)
     db.add(user)
     db.commit()
     _passkey_registration_store.pop(payload.registration_token, None)
@@ -465,7 +464,7 @@ def start_passkey_login(
     )
     _passkey_login_store[str(user.email)] = {
         "challenge": _to_base64url(options.challenge),
-        "expires_at": datetime.utcnow() + timedelta(minutes=5),
+        "expires_at": datetime.now(timezone.utc) + timedelta(minutes=5),
         "credential_id": str(user.passkey_credential_id),
         "rp_id": rp_id,
         "expected_origin": expected_origin,
@@ -492,7 +491,7 @@ def finish_passkey_login(
         raise HTTPException(status_code=404, detail="패스키 로그인 세션을 찾을 수 없습니다")
 
     expires_at = state.get("expires_at")
-    if not isinstance(expires_at, datetime) or expires_at <= datetime.utcnow():
+    if not isinstance(expires_at, datetime) or expires_at <= datetime.now(timezone.utc):
         _passkey_login_store.pop(str(user.email), None)
         raise HTTPException(status_code=410, detail="패스키 로그인 세션이 만료되었습니다")
 
@@ -581,7 +580,7 @@ def verify_password_recovery_identity(payload: PasswordRecoveryVerifyIdentityReq
         raise HTTPException(status_code=404, detail="복구 세션을 찾을 수 없습니다")
 
     expires_at = session_state.get("expires_at")
-    if not isinstance(expires_at, datetime) or expires_at <= datetime.utcnow():
+    if not isinstance(expires_at, datetime) or expires_at <= datetime.now(timezone.utc):
         _password_recovery_store.pop(payload.recovery_session_token, None)
         raise HTTPException(status_code=410, detail="복구 세션이 만료되었습니다")
 
@@ -638,7 +637,7 @@ def reset_password_via_recovery(
         raise HTTPException(status_code=403, detail="본인확인 검증이 완료되지 않았습니다")
 
     reset_expires_at = session_state.get("reset_expires_at")
-    if not isinstance(reset_expires_at, datetime) or reset_expires_at <= datetime.utcnow():
+    if not isinstance(reset_expires_at, datetime) or reset_expires_at <= datetime.now(timezone.utc):
         _password_recovery_store.pop(session_token, None)
         raise HTTPException(status_code=410, detail="재설정 토큰이 만료되었습니다")
 

backend/llm/orchestrator.py

@@ -2684,6 +2684,7 @@ class OrchestrationAcceptedResponse(BaseModel):
 
 
 _ORCHESTRATION_PROGRESS_STORE: Dict[str, Dict[str, Any]] = {}
+_ORCHESTRATION_PROGRESS_FILE_LOCK = threading.Lock()
 
 
 def _runtime_progress_root() -> Path:
@@ -2694,9 +2695,13 @@ def _runtime_progress_root() -> Path:
     return progress_root
 
 
-def _orchestration_progress_path(run_id: str) -> Path:
-    safe_run_id = re.sub(r"[^a-zA-Z0-9_.-]+", "-", str(run_id or "unknown")).strip("-") or "unknown"
-    return _runtime_progress_root() / f"{safe_run_id}.json"
+def _orchestration_progress_file_path(run_id: str) -> Path:
+    normalized_run_id = str(run_id if run_id is not None else "unknown")
+    if normalized_run_id == "":
+        normalized_run_id = "unknown"
+    runtime_root = _runtime_progress_root().resolve()
+    file_name = f"{hashlib.sha256(normalized_run_id.encode('utf-8')).hexdigest()}.json"
+    return runtime_root / file_name
 
 
 def _build_progress_poll_url(run_id: str) -> str:
@@ -2712,23 +2717,61 @@ def _save_orchestration_progress(run_id: str, payload: Dict[str, Any]) -> Dict[s
     normalized["run_id"] = str(run_id or normalized.get("run_id") or "")
     normalized.setdefault("updated_at", datetime.utcnow().isoformat() + "Z")
     _ORCHESTRATION_PROGRESS_STORE[normalized["run_id"]] = normalized
-    progress_path = _orchestration_progress_path(normalized["run_id"])
-    progress_path.write_text(json.dumps(normalized, ensure_ascii=False, indent=2), encoding="utf-8")
+    progress_path = _orchestration_progress_file_path(normalized["run_id"])
+    trusted_temp_prefix = (
+        f"progress-{hashlib.sha256(normalized['run_id'].encode('utf-8')).hexdigest()}."
+        if normalized["run_id"]
+        else "progress-unknown."
+    )
+    with _ORCHESTRATION_PROGRESS_FILE_LOCK:
+        temp_path: Optional[Path] = None
+        try:
+            with tempfile.NamedTemporaryFile(
+                mode="w",
+                encoding="utf-8",
+                dir=str(progress_path.parent),
+                prefix=trusted_temp_prefix,
+                suffix=".tmp",
+                delete=False,
+            ) as temp_file:
+                temp_file.write(json.dumps(normalized, ensure_ascii=False, indent=2))
+                temp_file.flush()
+                os.fsync(temp_file.fileno())
+                temp_path = Path(temp_file.name)
+            os.replace(temp_path, progress_path)
+        except Exception:
+            if temp_path is not None:
+                try:
+                    temp_path.unlink(missing_ok=True)
+                except Exception:
+                    logger.warning(
+                        "Failed to remove temporary orchestration progress file %s",
+                        str(temp_path),
+                        exc_info=True,
+                    )
+            logger.warning(
+                "Failed to write orchestration progress file at %s",
+                str(progress_path),
+                exc_info=True,
+            )
+            return dict(_ORCHESTRATION_PROGRESS_STORE.get(normalized["run_id"], {}))
     return normalized
 
 
 def _load_orchestration_progress(run_id: str) -> Dict[str, Any]:
     cached = _ORCHESTRATION_PROGRESS_STORE.get(str(run_id or ""))
     if isinstance(cached, dict) and cached:
         return dict(cached)
-    progress_path = _orchestration_progress_path(run_id)
+    progress_path = _orchestration_progress_file_path(run_id)
     try:
-        if progress_path.exists() and progress_path.is_file():
-            payload = json.loads(progress_path.read_text(encoding="utf-8"))
-            if isinstance(payload, dict):
-                _ORCHESTRATION_PROGRESS_STORE[str(run_id or "")] = dict(payload)
-                return dict(payload)
+        with _ORCHESTRATION_PROGRESS_FILE_LOCK:
+            if progress_path.exists() and progress_path.is_file():
+                payload = json.loads(progress_path.read_text(encoding="utf-8"))
+                if isinstance(payload, dict):
+                    _ORCHESTRATION_PROGRESS_STORE[str(run_id or "")] = dict(payload)
+                    return dict(payload)
     except Exception:
+        logger.error("Failed to load orchestration progress for run_id=%s", str(run_id or ""), exc_info=True)
         return {}
     return {}