1 files changed, 67 insertions, 0 deletions
diff --git a/dom/security/test/https-only/file_break_endless_upgrade_downgrade_loop.sjs b/dom/security/test/https-only/file_break_endless_upgrade_downgrade_loop.sjs
new file mode 100644
index 0000000000..a8a9083ef3
--- /dev/null
+++ b/dom/security/test/https-only/file_break_endless_upgrade_downgrade_loop.sjs
@@ -0,0 +1,67 @@
+// Custom *.sjs file specifically for the needs of Bug 1691888
+"use strict";
+
+const REDIRECT_META = `
+  <html>
+  <head>
+    <meta http-equiv="refresh" content="0; url='http://example.com/tests/dom/security/test/https-only/file_break_endless_upgrade_downgrade_loop.sjs?test1b'">
+  </head>
+  <body>
+    META REDIRECT
+  </body>
+  </html>`;
+
+const REDIRECT_JS = `
+  <html>
+   <body>
+     JS REDIRECT
+     <script>
+       let url= "http://example.com/tests/dom/security/test/https-only/file_break_endless_upgrade_downgrade_loop.sjs?test2b";
+       window.location = url;
+     </script>
+   </body>
+   </html>`;
+
+const REDIRECT_302 =
+  "http://example.com/tests/dom/security/test/https-only/file_break_endless_upgrade_downgrade_loop.sjs?test3b";
+
+const REDIRECT_302_DIFFERENT_PATH =
+  "http://example.com/tests/dom/security/test/https-only/file_user_gesture.html";
+
+function handleRequest(request, response) {
+  // avoid confusing cache behaviour
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+
+  // if the scheme is not https, meaning that the initial request did not
+  // get upgraded, then we rather fall through and display unexpected content.
+  if (request.scheme === "https") {
+    let query = request.queryString;
+
+    if (query === "test1a") {
+      response.write(REDIRECT_META);
+      return;
+    }
+
+    if (query === "test2a") {
+      response.write(REDIRECT_JS);
+      return;
+    }
+
+    if (query === "test3a") {
+      response.setStatusLine("1.1", 302, "Found");
+      response.setHeader("Location", REDIRECT_302, false);
+      return;
+    }
+
+    if (query === "test4a") {
+      response.setStatusLine("1.1", 302, "Found");
+      response.setHeader("Location", REDIRECT_302_DIFFERENT_PATH, false);
+      return;
+    }
+  }
+
+  // we should never get here, just in case,
+  // let's return something unexpected
+  response.write("<html><body>DO NOT DISPLAY THIS</body></html>");
+}