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Add Websocket Traffic to HAR using Chrome's Approach under an entity in a _websocketMessages key #1

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ericbeland wants to merge 1 commit into from
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Add Websocket Traffic to HAR using Chrome's Approach under an entity in a _websocketMessages key #1

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30 changes: 29 additions & 1 deletion examples/contrib/har_dump.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import typing
import tempfile


from datetime import datetime
from datetime import timezone
import dateutil.parser
Expand Down Expand Up @@ -40,6 +41,7 @@ class HarCaptureTypes(Enum):
RESPONSE_COOKIES = auto()
RESPONSE_CONTENT = auto()
RESPONSE_BINARY_CONTENT = auto()
WEBSOCKET_MESSAGES = auto()

REQUEST_CAPTURE_TYPES = {
REQUEST_HEADERS,
Expand Down Expand Up @@ -543,7 +545,7 @@ def save_har(self, har):
def get_full_url(self, request):
host_port = request.host
if request.method == 'CONNECT':
if request.port is not 443:
if request.port != 443:
host_port = host_port + ':' + str(request.port)
host_port = 'https://' + host_port
else:
Expand Down Expand Up @@ -638,6 +640,32 @@ def capture_request_content(self, flow):
"params": params
}

def capture_websocket_message(self, flow):
har_entry = self.get_har_entry(flow.handshake_flow)
msg = flow.messages[-1]
har_entry.setdefault("_webSocketMessages", []).append({
"type": 'send' if msg.from_client else 'receive',
"opcode": msg.type.value,
"data": msg.content,
"time": msg.timestamp
})

# Capture errors as messages like Chrome har export does
def capture_websocket_error(self, flow):
har_entry = self.get_har_entry(flow.handshake_flow)
har_entry.setdefault("_webSocketMessages", []).append({
"type": 'error',
"time": flow.error.timestamp,
"opcode": -1,
"data": flow.error.msg
})

def websocket_message(self, flow):
self.capture_websocket_message(flow)

def websocket_error(self, flow):
self.capture_websocket_error(flow)

def response(self, flow):
har_entry = self.get_har_entry(flow)

Expand Down