1 files changed, 58 insertions, 0 deletions
diff --git a/dom/security/test/https-first/file_redirect.sjs b/dom/security/test/https-first/file_redirect.sjs
new file mode 100644
index 0000000000..2042bcbc88
--- /dev/null
+++ b/dom/security/test/https-first/file_redirect.sjs
@@ -0,0 +1,58 @@
+//https://bugzilla.mozilla.org/show_bug.cgi?id=1706351
+
+// Step 1. Send request with redirect queryString (eg. file_redirect.sjs?302)
+// Step 2. Server responds with corresponding redirect code to http://example.com/../file_redirect.sjs?check
+// Step 3. Response from ?check indicates whether the redirected request was secure or not.
+
+const RESPONSE_ERROR = "unexpected-query";
+
+// An onload postmessage to window opener
+const RESPONSE_SECURE = `
+  <html>
+  <body>
+  send onload message...
+  <script type="application/javascript">
+    window.opener.postMessage({result: 'secure'}, '*');
+  </script>
+  </body>
+  </html>`;
+
+const RESPONSE_INSECURE = `
+  <html>
+  <body>
+  send onload message...
+  <script type="application/javascript">
+    window.opener.postMessage({result: 'insecure'}, '*');
+  </script>
+  </body>
+  </html>`;
+
+function handleRequest(request, response) {
+  response.setHeader("Cache-Control", "no-cache", false);
+
+  const query = request.queryString;
+
+  // Send redirect header
+  if ((query >= 301 && query <= 303) || query == 307) {
+    // needs to be a cross site redirect to http://example.com otherwise
+    // our upgrade downgrade endless loop break mechanism kicks in
+    const loc =
+      "http://test1.example.com/tests/dom/security/test/https-first/file_redirect.sjs?check";
+    response.setStatusLine(request.httpVersion, query, "Found");
+    response.setHeader("Location", loc, false);
+    return;
+  }
+
+  // Check if scheme is http:// or https://
+  if (query == "check") {
+    const secure =
+      request.scheme == "https" ? RESPONSE_SECURE : RESPONSE_INSECURE;
+    response.setStatusLine(request.httpVersion, 200, "OK");
+    response.write(secure);
+    return;
+  }
+
+  // This should not happen
+  response.setStatusLine(request.httpVersion, 500, "OK");
+  response.write(RESPONSE_ERROR);
+}