diff -r 000000000000 -r 6474c204b198 dom/plugins/test/mochitest/post.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/plugins/test/mochitest/post.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+const CC = Components.Constructor;
+const BinaryInputStream = CC("@mozilla.org/binaryinputstream;1",
+                             "nsIBinaryInputStream",
+                             "setInputStream");
+
+function handleRequest(request, response)
+{
+  var body = "";
+  var bodyStream = new BinaryInputStream(request.bodyInputStream);
+  var bytes = [], avail = 0;
+  while ((avail = bodyStream.available()) > 0)
+   body += String.fromCharCode.apply(String, bodyStream.readByteArray(avail));
+
+  response.setHeader("Content-Type", "text/html", false);
+  response.write(body);
+}
+