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""" Generate deprecation report """