Ebbe BaßandClaude Sonnet 5.5
f8b0584687
Environment-variable configuration that fails fast, database-only health check, JSON request logs with a request id, security headers with a strict CSP, and a multi-stage non-root Docker image with compose file. Ticket 1.1. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Sk72AxLwQnYttF6VFSxQLt
71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
"""Request id, request logging and security headers (AD-16, AD-18)."""
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from __future__ import annotations
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import logging
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import re
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import time
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import uuid
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from .logging import request_id_var
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logger = logging.getLogger("portal.request")
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_VALID_REQUEST_ID = re.compile(r"^[A-Za-z0-9._-]{8,64}$")
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CSP = (
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"default-src 'self'; "
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"script-src 'self'; "
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"frame-ancestors 'none'; "
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"base-uri 'self'; "
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"form-action 'self'"
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)
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PERMISSIONS_POLICY = "camera=(), microphone=(), geolocation=(), payment=()"
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class RequestIdMiddleware:
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"""Assign a request id, set the response header and write one log line."""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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incoming = request.META.get("HTTP_X_REQUEST_ID", "")
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request_id = incoming if _VALID_REQUEST_ID.match(incoming) else uuid.uuid4().hex
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request.request_id = request_id
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token = request_id_var.set(request_id)
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started = time.monotonic()
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status = 500
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try:
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response = self.get_response(request)
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status = response.status_code
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response["X-Request-ID"] = request_id
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return response
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finally:
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# Path only: query strings and bodies are never logged.
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logger.info(
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"request",
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extra={
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"request_id": request_id,
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"method": request.method,
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"path": request.path,
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"status": status,
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"duration_ms": round((time.monotonic() - started) * 1000, 1),
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},
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)
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request_id_var.reset(token)
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class SecurityHeadersMiddleware:
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"""Add the Content-Security-Policy and related headers to every response."""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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response = self.get_response(request)
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response.headers.setdefault("Content-Security-Policy", CSP)
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response.headers.setdefault("Permissions-Policy", PERMISSIONS_POLICY)
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response.headers.setdefault("Cross-Origin-Opener-Policy", "same-origin")
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return response
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