1 files changed, 24 insertions, 0 deletions
diff --git a/dom/tests/mochitest/fetch/reroute.js b/dom/tests/mochitest/fetch/reroute.js
new file mode 100644
index 000000000..2c9bcd35f
--- /dev/null
+++ b/dom/tests/mochitest/fetch/reroute.js
@@ -0,0 +1,24 @@
+onfetch = function(e) {
+  if (e.request.url.indexOf("Referer") >= 0) {
+    // Silently rewrite the referrer so the referrer test passes since the
+    // document/worker isn't aware of this service worker.
+    var url = e.request.url.substring(0, e.request.url.indexOf('?'));
+    url += '?headers=' + ({ 'Referer': self.location.href }).toSource();
+
+    e.respondWith(e.request.text().then(function(text) {
+      var body = text === '' ? undefined : text;
+      var mode = e.request.mode == 'navigate' ? 'same-origin' : e.request.mode;
+      return fetch(url, {
+        method: e.request.method,
+        headers: e.request.headers,
+        body: body,
+        mode: mode,
+        credentials: e.request.credentials,
+        redirect: e.request.redirect,
+        cache: e.request.cache,
+      });
+    }));
+    return;
+  }
+  e.respondWith(fetch(e.request));
+};