1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/cors/resources/preflight-partitioning.py b/testing/web-platform/tests/cors/resources/preflight-partitioning.py
new file mode 100644
index 0000000000..d0d9a4ebb6
--- /dev/null
+++ b/testing/web-platform/tests/cors/resources/preflight-partitioning.py
@@ -0,0 +1,35 @@
+def main(request, response):
+    headers = [(b"Content-Type", b"text/plain")]
+    headers.append((b"Access-Control-Allow-Origin", b"*"))
+
+    if request.method == u"GET":
+        token = request.GET.first(b"token")
+        value = request.server.stash.take(token)
+        if value == None:
+            body = u"0"
+        else:
+            if request.GET.first(b"check", None) == b"keep":
+                request.server.stash.put(token, value)
+            body = u"1"
+
+        return headers, body
+
+    if request.method == u"OPTIONS":
+        if not b"Access-Control-Request-Method" in request.headers:
+            response.set_error(400, u"No Access-Control-Request-Method header")
+            return u"ERROR: No access-control-request-method in preflight!"
+
+        headers.append((b"Access-Control-Allow-Methods",
+                        request.headers[b'Access-Control-Request-Method']))
+
+        if b"max_age" in request.GET:
+            headers.append((b"Access-Control-Max-Age", request.GET[b'max_age']))
+
+        if b"token" in request.GET:
+            request.server.stash.put(request.GET.first(b"token"), 1)
+
+    headers.append((b"Access-Control-Allow-Headers", b"x-print"))
+
+    body = request.headers.get(b"x-print", b"NO")
+
+    return headers, body