# 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 0.2 # 2012-08-16 # Andrew Horton
# Updated MD5 syntax. In future someone should move the MD5 hash matches into the matches array
##
WhatWeb::Plugin.define "PunBB" do
  @author = "Brendan Coles <bcoles@gmail.com>" # 2011-04-06
  @version = "0.2"
  @description = "PunBB is a fast and lightweight PHP-powered discussion board. It is released under the GNU General Public License."
  @website = "http://punbb.informer.com/"

  # Google results as at 2011-04-06
  # 302 for "Powered by PunBB, supported by Informer Technologies"

  # Dorks #
  @dorks = [
    '"Powered by PunBB, supported by Informer Technologies"'
  ]

  # Matches #
  @matches = [

    # HTML Comment
    { certainty: 25, text: '<!-- forum_debug -->' },

    # brd-index div
    { text: '<div id="brd-index" class="brd-page basic-page">' },

    # Powered by link
    { text: '<p id="copyright">Powered by <strong><a href="http://punbb.informer.com/">PunBB</a></strong>, supported by <strong><a href="http://www.informer.com/">Informer Technologies, Inc</a></strong>.</p>' },

    # Module Detection
    { module: /<p style="clear: both; ">Currently installed <span id="extensions-used" title="([^"]+)\.">[\d]+ official extensions<\/span>\. Copyright &copy; 2003&ndash;/ },

  ]

  # 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 = [
      { version: '1.0', path: "docs/install.html", md5: 'd2748bb3397ec0de230ed0b6f460d307' },
      { version: '1.0.1',  path: "docs/install.html", md5: '578fa4261a4a8bb35389d07c112b924b' },
      { version: '1.2',    path: "docs/install.html", md5: 'd5eda4db7271483b563213747a7fcd65' },
      { version: '1.2.1',  path: "docs/install.html", md5: 'e39950020c0102948ceccdd30e01f8d3' },
      { version: '1.2.10', path: "docs/install.html", md5: 'a96ce1acc811fa2dc99368185f1550a6' },
      { version: '1.2.11', path: "docs/install.html", md5: '2f686cf8cb8d4f32aa4f921a7b3ae3e9' },
      { version: '1.2.12', path: "docs/install.html", md5: 'a88d9f44bdc1057ccdf488e9442944b2' },
      { version: '1.2.13', path: "docs/install.html", md5: '8b9553a0b9894e1488b97d6e8721ad3e' },
      { version: '1.2.14', path: "docs/install.html", md5: 'b9754e06ddb051f3d7e66710cab79f90' },
      { version: '1.2.15', path: "docs/install.html", md5: 'e47a0ae180d2428c20232cb641ca474f' },
      { version: '1.2.16', path: "docs/install.html", md5: 'd50e093e34251b0a7c03ac3d45f64616' },
      { version: '1.2.17', path: "docs/install.html", md5: 'ea5696cb9d85e692f0241565dd7cf007' },
      { version: '1.2.2',  path: "docs/install.html", md5: '8cf393c2a65c6d6865663f8335b49727' },
      { version: '1.2.3',  path: "docs/install.html", md5: '17c33dd4020226c34254956b71789991' },
      { version: '1.2.4',  path: "docs/install.html", md5: '1469f7c2d8647453d3a82294f9b000e5' },
      { version: '1.2.5',  path: "docs/install.html", md5: '2f683a8dc5c790364d9a1cdc337d460b' },
      { version: '1.2.6',  path: "docs/install.html", md5: '76b7473156af95d8df10f27510734f81' },
      { version: '1.2.7',  path: "docs/install.html", md5: '310e902cfb9f77a403fec67f03214cd8' },
      { version: '1.2.8',  path: "docs/install.html", md5: '7cb6e4e22b6795ea40f081ee846a2674' },
      { version: '1.2.9',  path: "docs/install.html", md5: '9159987d634a9d0cc678b9d51e84b466' },

      { version: '1.1.x', path: "img/smilies/sad.png", md5: '1be05e25934491d75e8f8af7609e56e2' },
      { version: '1.2.x', path: "img/smilies/sad.png", md5: 'bdf6c4d929f95b28f4e33623797aaeb0' },
      { version: '1.3.x', path: "img/smilies/sad.png", md5: '02526986b095d2d745397efe5db47076' },

    ]

    # 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