1 files changed, 21 insertions, 0 deletions
diff --git a/uriloader/exthandler/tests/mochitest/mime_type_download.sjs b/uriloader/exthandler/tests/mochitest/mime_type_download.sjs
new file mode 100644
index 0000000000..a33331d0cf
--- /dev/null
+++ b/uriloader/exthandler/tests/mochitest/mime_type_download.sjs
@@ -0,0 +1,21 @@
+function handleRequest(request, response) {
+  "use strict";
+  Cu.importGlobalProperties(["URLSearchParams"]);
+  let content = "";
+  let params = new URLSearchParams(request.queryString);
+  let extension = params.get("extension");
+  let contentType = params.get("contentType");
+  if (params.has("withHeader")) {
+    response.setHeader(
+      "Content-Disposition",
+      `attachment; filename="mime_type_download${
+        extension ? "." + extension : ""
+      }";`,
+      false
+    );
+  }
+  response.setHeader("Content-Type", contentType, false);
+  response.setHeader("Content-Length", "" + content.length, false);
+  response.setStatusLine(request.httpVersion, 200);
+  response.write(content);
+}