Inspecting boto3 HTTP traffic

inspect.py

import boto3
import botocore

def log_request(request, **kwargs):
    """Logs all HTTP requests made by boto3 before they are sent."""
    print(f"🔍 Intercepted HTTP request:")
    print(f"  - Method: {request.method}")
    print(f"  - URL: {request.url}")
    print(f"  - Headers: {request.headers}")
    print(f"  - Body: {request.body}\n")

# Create a boto3 client (this ensures we are using the correct session)
s3 = boto3.client("s3")

# Get the botocore session used by boto3
botocore_session = s3._endpoint._event_emitter

# Register a listener for ALL outgoing requests
botocore_session.register("before-send", log_request)

# Call any boto3 function to see intercepted requests
s3.list_buckets()