1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/reporting/resources/generate-report-once.py b/testing/web-platform/tests/reporting/resources/generate-report-once.py
new file mode 100644
index 0000000000..163846a4b9
--- /dev/null
+++ b/testing/web-platform/tests/reporting/resources/generate-report-once.py
@@ -0,0 +1,34 @@
+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>
+"""