1 files changed, 10 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/forms/form-submission-0/resources/file-submission.py b/testing/web-platform/tests/html/semantics/forms/form-submission-0/resources/file-submission.py
new file mode 100644
index 0000000000..89cd182add
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/forms/form-submission-0/resources/file-submission.py
@@ -0,0 +1,10 @@
+import json
+
+from wptserve.utils import isomorphic_decode
+
+def main(request, response):
+    headers = [(b"Content-Type", b"text/html")]
+    testinput = request.POST.first(b"testinput")
+    value = isomorphic_decode(testinput.value)
+    body = u"<script>parent.postMessage(" + json.dumps(value) + u", '*');</script>"
+    return headers, body