| def main(request, response): |
| # Handle CORS preflight requests |
| if request.method == u'OPTIONS': |
| # Always reject preflights for one subdomain |
| if b"www2" in request.headers[b"Origin"]: |
| return (400, [], u"CORS preflight rejected for www2") |
| return [ |
| (b"Content-Type", b"text/plain"), |
| (b"Access-Control-Allow-Origin", b"*"), |
| (b"Access-Control-Allow-Methods", b"get"), |
| (b"Access-Control-Allow-Headers", b"Content-Type"), |
| ], u"CORS allowed" |
| |
| if b"reportID" in request.GET: |
| key = request.GET.first(b"reportID") |
| else: |
| response.status = 400 |
| return "reportID parameter is required." |
| |
| with request.server.stash.lock: |
| visited = request.server.stash.take(key=key) |
| if visited is None: |
| response.headers.set("Reporting-Endpoints", |
| b"default=\"/reporting/resources/report.py?reportID=%s\"" % key) |
| request.server.stash.put(key=key, value=True) |
| |
| response.content = b""" |
| <!DOCTYPE HTML> |
| <meta charset=utf-8> |
| <title>Generate deprecation report</title> |
| <script> |
| webkitRequestAnimationFrame(() => {}); |
| </script> |
| """ |
