1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/resources/inspect-headers.py b/testing/web-platform/tests/xhr/resources/inspect-headers.py
new file mode 100644
index 0000000000..123d637134
--- /dev/null
+++ b/testing/web-platform/tests/xhr/resources/inspect-headers.py
@@ -0,0 +1,36 @@
+from wptserve.utils import isomorphic_encode
+
+def get_response(raw_headers, filter_value, filter_name):
+    result = b""
+    # raw_headers.raw_items() returns the (name, value) header pairs as
+    # tuples of strings. Convert them to bytes before comparing.
+    # TODO: Get access to the raw headers, so that whitespace between
+    # name, ":" and value can also be checked:
+    # https://github.com/web-platform-tests/wpt/issues/28756
+    for field in raw_headers.raw_items():
+        name = isomorphic_encode(field[0])
+        value = isomorphic_encode(field[1])
+        if filter_value:
+            if value == filter_value:
+                result += name + b","
+        elif name.lower() == filter_name:
+            result += name + b": " + value + b"\n"
+    return result
+
+def main(request, response):
+    headers = []
+    if b"cors" in request.GET:
+        headers.append((b"Access-Control-Allow-Origin", b"*"))
+        headers.append((b"Access-Control-Allow-Credentials", b"true"))
+        headers.append((b"Access-Control-Allow-Methods", b"GET, POST, PUT, FOO"))
+        headers.append((b"Access-Control-Allow-Headers", b"x-test, x-foo"))
+        headers.append((
+            b"Access-Control-Expose-Headers",
+            b"x-request-method, x-request-content-type, x-request-query, x-request-content-length"))
+    headers.append((b"content-type", b"text/plain"))
+
+    filter_value = request.GET.first(b"filter_value", b"")
+    filter_name = request.GET.first(b"filter_name", b"").lower()
+    result = get_response(request.raw_headers, filter_value, filter_name)
+
+    return headers, result