Import w3c tests for the service workers

third_party/WebKit/LayoutTests/imported/wpt/service-workers/service-worker/resources/redirect.py

+def main(request, response):
+    if 'Status' in request.GET:
+        status = int(request.GET["Status"])
+    else:
+        status = 302
+
+    headers = []
+
+    url = request.GET['Redirect']
+    headers.append(("Location", url))
+
+    if "ACAOrigin" in request.GET:
+        for item in request.GET["ACAOrigin"].split(","):
+            headers.append(("Access-Control-Allow-Origin", item))
+
+    for suffix in ["Headers", "Methods", "Credentials"]:
+        query = "ACA%s" % suffix
+        header = "Access-Control-Allow-%s" % suffix
+        if query in request.GET:
+            headers.append((header, request.GET[query]))
+
+    if "ACEHeaders" in request.GET:
+        headers.append(("Access-Control-Expose-Headers", request.GET["ACEHeaders"]))
+
+    return status, headers, ""