http request gist

  downloadReport: {
    'default': function(reportFile, requestData, callback) {
      var file = fs.createWriteStream(requestData.filename);
      var downloadUrl = url.parse(requestData.reportingDownloadUrl);
      var local = http.createClient(443, downloadUrl.host, secure=true);

      requestData.headers['host'] = downloadUrl.host;
      var request = local.request('GET', downloadUrl.pathname + downloadUrl.search, requestData.headers);

      request.on('response', function (response) {
        if (response.statusCode != 200 && response.statusCode != 404) {
          file.end();
          var msg = "Error: Got bad response: " + response.statusCode + " for file: " + requestData.filename;
          Utils.fs.logger(msg);
          callback(msg)
        }
        response.on('data', function(chunk){
          file.write(chunk);
        }).on('end', function(){
          file.end();
          callback(undefined, reportFile, requestData);
        });
      });
      request.end();
    }