The Tor Browser / file revision

 // SJS file for CSP mochitests

 function handleRequest(request, response)

 {

   var query = {};

   request.queryString.split('&').forEach(function (val) {

     var [name, value] = val.split('=');

     query[name] = unescape(value);

   });

   var isPreflight = request.method == "OPTIONS";

   //avoid confusing cache behaviors

   response.setHeader("Cache-Control", "no-cache", false);

   if ("type" in query) {

     response.setHeader("Content-Type", unescape(query['type']), false);

   } else {

     response.setHeader("Content-Type", "text/html", false);

   }

   if ("content" in query) {

     response.write(unescape(query['content']));

   }

 }