1 files changed, 70 insertions, 0 deletions
diff --git a/dom/security/test/https-first/file_downgrade_500_responses.sjs b/dom/security/test/https-first/file_downgrade_500_responses.sjs
new file mode 100644
index 0000000000..b3cfbd79dd
--- /dev/null
+++ b/dom/security/test/https-first/file_downgrade_500_responses.sjs
@@ -0,0 +1,70 @@
+// Custom *.sjs file specifically for the needs of Bug 1709552
+"use strict";
+
+const RESPONSE_SUCCESS = `
+  <html>
+    <body>
+      send message, downgraded
+    <script type="application/javascript">
+      let scheme = document.location.protocol;
+      window.opener.postMessage({result: 'downgraded', scheme: scheme}, '*');
+    </script>
+    </body>
+  </html>`;
+
+const RESPONSE_UNEXPECTED = `
+  <html>
+    <body>
+      send message, error
+    <script type="application/javascript">
+      let scheme = document.location.protocol;
+      window.opener.postMessage({result: 'Error', scheme: scheme}, '*');
+    </script>
+    </body>
+  </html>`;
+
+function handleRequest(request, response) {
+  // avoid confusing cache behaviour
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+
+  let query = request.queryString;
+  // if the scheme is not https and it is the initial request
+  // then we rather fall through and display unexpected content
+  if (request.scheme === "https") {
+    if (query === "test1a") {
+      response.setStatusLine("1.1", 501, "Not Implemented");
+      response.write("Not Implemented\n");
+      return;
+    }
+
+    if (query === "test2a") {
+      response.setStatusLine("1.1", 504, "Gateway Timeout");
+      response.write("Gateway Timeout\n");
+      return;
+    }
+
+    if (query === "test3a") {
+      response.setStatusLine("1.1", 521, "Web Server Is Down");
+      response.write("Web Server Is Down\n");
+      return;
+    }
+    if (query === "test4a") {
+      response.setStatusLine("1.1", 530, "Railgun Error");
+      response.write("Railgun Error\n");
+      return;
+    }
+    if (query === "test5a") {
+      response.setStatusLine("1.1", 560, "Unauthorized");
+      response.write("Unauthorized\n");
+      return;
+    }
+
+    // We should never arrive here, just in case send something unexpected
+    response.write(RESPONSE_UNEXPECTED);
+    return;
+  }
+
+  // We should arrive here when the redirection was downraded successful
+  response.write(RESPONSE_SUCCESS);
+}