1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/metadata/resources/post-to-owner.py b/testing/web-platform/tests/fetch/metadata/resources/post-to-owner.py
new file mode 100644
index 0000000000..256dd6e49d
--- /dev/null
+++ b/testing/web-platform/tests/fetch/metadata/resources/post-to-owner.py
@@ -0,0 +1,36 @@
+import json
+
+from wptserve.utils import isomorphic_decode
+
+def main(request, response):
+    headers = [
+        (b"Content-Type", b"text/html"),
+        (b"Cache-Control", b"no-cache, no-store, must-revalidate")
+    ]
+    key = request.GET.first(b"key", None)
+
+    # We serialize the key into JSON, so have to decode it first.
+    if key is not None:
+      key = key.decode('utf-8')
+
+    body = u"""
+        <!DOCTYPE html>
+        <script src="/portals/resources/stash-utils.sub.js"></script>
+        <script>
+            var data = %s;
+            if (window.opener)
+                window.opener.postMessage(data, "*");
+            if (window.top != window)
+                window.top.postMessage(data, "*");
+
+            const key = %s;
+            if (key)
+                StashUtils.putValue(key, data);
+        </script>
+    """ % (json.dumps({
+        u"dest": isomorphic_decode(request.headers.get(b"sec-fetch-dest", b"")),
+        u"mode": isomorphic_decode(request.headers.get(b"sec-fetch-mode", b"")),
+        u"site": isomorphic_decode(request.headers.get(b"sec-fetch-site", b"")),
+        u"user": isomorphic_decode(request.headers.get(b"sec-fetch-user", b"")),
+        }), json.dumps(key))
+    return headers, body