1 files changed, 60 insertions, 0 deletions
diff --git a/dom/security/test/general/file_nosniff_testserver.sjs b/dom/security/test/general/file_nosniff_testserver.sjs
new file mode 100644
index 0000000000..d3e52979a4
--- /dev/null
+++ b/dom/security/test/general/file_nosniff_testserver.sjs
@@ -0,0 +1,60 @@
+"use strict";
+
+const SCRIPT = "var foo = 24;";
+const CSS = "body { background-color: green; }";
+
+// small red image
+const IMG = atob(
+  "iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12" +
+    "P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="
+);
+
+function handleRequest(request, response) {
+  const query = new URLSearchParams(request.queryString);
+
+  // avoid confusing cache behaviors
+  response.setHeader("Cache-Control", "no-cache", false);
+
+  // set the nosniff header
+  response.setHeader("X-Content-Type-Options", "  NoSniFF  , foo  ", false);
+
+  if (query.has("cssCorrectType")) {
+    response.setHeader("Content-Type", "teXt/cSs", false);
+    response.write(CSS);
+    return;
+  }
+
+  if (query.has("cssWrongType")) {
+    response.setHeader("Content-Type", "text/html", false);
+    response.write(CSS);
+    return;
+  }
+
+  if (query.has("scriptCorrectType")) {
+    response.setHeader("Content-Type", "appLIcation/jAvaScriPt;blah", false);
+    response.write(SCRIPT);
+    return;
+  }
+
+  if (query.has("scriptWrongType")) {
+    response.setHeader("Content-Type", "text/html", false);
+    response.write(SCRIPT);
+    return;
+  }
+
+  if (query.has("imgCorrectType")) {
+    response.setHeader("Content-Type", "iMaGe/pnG;blah", false);
+    response.write(IMG);
+    return;
+  }
+
+  if (query.has("imgWrongType")) {
+    response.setHeader("Content-Type", "text/html", false);
+    response.write(IMG);
+    return;
+  }
+
+  // we should never get here, but just in case
+  response.setHeader("Content-Type", "text/html", false);
+  response.write("do'h");
+}