# frozen_string_literal: true

##
# This file is part of WhatWeb and may be subject to
# redistribution and commercial restrictions. Please see the WhatWeb
# web site for more information on licensing and terms of use.
# http://www.morningstarsecurity.com/research/whatweb
##
# Version 0.5 # 2012-08-16 # Andrew Horton
# Updated MD5 syntax. In future someone should move the MD5 hash matches into the matches array
##
# Version 0.4 # 2011-04-09 # Brendan Coles <bcoles at gmail dot com>
# Added aggressive md5 matches
##
# Version 0.3 # 2011-03-05 #
# Updated version detection
##
# Version 0.2
# removed :certainty=>100
##
WhatWeb::Plugin.define "SMF" do
  @author = "Andrew Horton"
  @version = "0.5"
  @description = "SMF (Simple Machines Forum) is an opensource forum written in PHP"
  @website = "www.simplemachines.org"

  # Dorks #
  @dorks = [
    '"Powered by SMF"'
  ]

  # Matches #
  @matches = [

    # Copyright Link
    { name: "copyright link", text: '<a href="http://www.simplemachines.org/about/copyright.php" title="Free Forum Software" target="_blank"' },

    # Default JavaScript
    { name: "javascript", text: 'document.getElementById("upshrink").src = smf_images_url + ' },

    # smflogo
    { name: "smflogo gif", regexp: /<img class="floatright" id="smflogo" src="[^"]*\/images\/smflogo.gif" alt="Simple Machines Forum" \/>/ },

    # Version Detection # Powered by text
    { version: /<a href="http:\/\/www.simplemachines.org\/" title="Simple Machines Forum" target="_blank"( class="new_win")?>Powered by SMF ([^<]+)/, offset: 1 },

  ]

  # Aggressive #
  def aggressive(target)
    m = []

    # the paths are relative to the url path if they don't start with /
    # this path, with this md5 = this version
    files = [

      { md5: 'ede483ddc2d684d708aee1df7e9de681', version: '1.0', path: 'readme.html' },
      { md5: '3b120ada16b743ce27a810c8105fae40', version: '1.0 RC2', path: 'readme.html' },
      { md5: 'b73b15701372af001176948e62de00ac', version: '1.0.1 or 1.0.2', path: 'readme.html' },
      { md5: 'f60c721e72537b23c1afaf0633401cd5', version: '1.0.3 - 1.0.16', path: 'readme.html' },
      { md5: '3deb358d76a6994aa9983f5ed38836af', version: '1.1', path: 'readme.html' },
      { md5: '1393566c558c1d1d774f0a78f079538a', version: '1.1 beta3p', path: 'readme.html' },
      { md5: 'e93f0023701693407c2286d557c2c2d6', version: '1.1 RC1', path: 'readme.html' },
      { md5: '97689622417fbf14fa3b10ebedb9644f', version: '1.1 RC2', path: 'readme.html' },
      { md5: '3b607dd7ee4357702258bdd22ebdc1f8', version: '1.1 RC3', path: 'readme.html' },
      { md5: '3deb358d76a6994aa9983f5ed38836af', version: '1.1.1 - 1.1.11', path: 'readme.html' },
      { md5: '2f36557b360975451650eec1d48c79bf', version: '2.0 beta3.1p or 2.0 beta3p', path: 'readme.html' },
      { md5: '02da089eaee5a90bb36e37a4e95bc712', version: '2.0 beta4p', path: 'readme.html' },
      { md5: '3aeee6d20350784af068a70b1bfe04fb', version: '2.0 RC1-x', path: 'readme.html' },
      { md5: 'ff976e1647243eaa36a0fba78dae5bdb', version: '2.0 RC2', path: 'readme.html' },
      { md5: 'b7e4578b6d13bfe9a2393e04f8a9c6b5', version: '2.0 RC3', path: 'readme.html' },
      { md5: 'a5d38f19dc72114da004f35f4ab0b1e7', version: '2.0 RC4', path: 'readme.html' },

    ]

    # Fetch and hash files
    to_download = files.map { |x| x[:path] }.sort.uniq
    downloads = {}
    to_download.each do |d|
      url = URI.join(target.uri.to_s, d).to_s
      new_target = WhatWeb::Target.new(url)
      downloads[d] = { md5sum: new_target.md5sum }
    end

    # Compare file hashes to known hashes
    version = nil
    files.each do |thisfile|
      unless downloads[thisfile[:path]].nil?
        version = thisfile[:version] if downloads[thisfile[:path]][:md5sum] == thisfile[:md5]
      end
    end

    # Set version if present
    unless version.nil?
      m << { name: "md5 sums of files", version: version }
    end

    # Return aggressive matches
    m
  end
end