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: get_simple_cms_upload_exec.rb
    path of file: ./repos/metasploit-framework/modules/exploits/unix/webapp
    
    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::Tcp
  include Msf::Exploit::Remote::HttpClient
  include Msf::Exploit::FileDropper

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'GetSimpleCMS PHP File Upload Vulnerability',
      'Description'    => %q{
        This module exploits a file upload vulnerability in GetSimple CMS. By abusing the
        upload.php file, a malicious authenticated
    
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'GetSimpleCMS PHP File Upload Vulnerability',
      'Description'    => %q{
        This module exploits a file upload vulnerability in GetSimple CMS. By abusing the
        upload.php file, a malicious authenticated user can upload an arbitrary file,
        including PHP code, which results in arbitrary code execution.
      },
      'Author'         =>
        [
          'Ahmed Elhady Mohamed'
        ],
      'License'        => MSF_LICENSE,
      'References'     =>
        [
          ['EDB', '25405'],
          ['OSVDB', '93034']
        ],
      'Payload'        =>
        {
          'BadChars' => "\x00",
        },
      'Platform'       => 'php',
      'Arch'           => ARCH_PHP,
      'Targets'        =>
        [
          ['Generic (PHP Payload)', {}]
        ],
      'DefaultTarget'  => 0,
      'DisclosureDate' => '2014-01-04'
    ))

    register_options([
      OptString.new('TARGETURI', [true, 'The full URI path to GetSimplecms', '/GetSimpleCMS']),
      OptString.new('USERNAME', [true, 'The username that will be used for authentication process']),
      OptString.new('PASSWORD', [true, 'The right password for the provided username'])
    ])
  end