src/websites/liveleak.rb

   1 #
   2 # Copyright Michael Orlitzky
   3 #
   4 # http://michael.orlitzky.com/
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 # GNU General Public License for more details.
  15 #
  16 # http://www.fsf.org/licensing/licenses/gpl.html
  17 #
  18
  19 require 'src/website'
  20
  21 class Liveleak < Website
  22
  23   VALID_LIVELEAK_URL_REGEX = /^(http:\/\/)?(www\.)?liveleak\.com\/view\?i=.+$/
  24
  25   def self.owns_url?(url)
  26     return url =~ VALID_LIVELEAK_URL_REGEX
  27   end
  28
  29
  30   def get_video_url()
  31     page_data = self.get_page_data(@url)
  32     embed_tag = parse_embed_tag(page_data)
  33     playlist_data = self.get_page_data(playlist_url(embed_tag))
  34
  35     return parse_location_from_playlist(playlist_data)
  36   end
  37
  38
  39   protected;
  40
  41   def parse_embed_tag(page_data)
  42     embed_tag_regex = /file_embed_tag%3D([[:alnum:]]+)%/
  43     matches = embed_tag_regex.match(page_data)
  44
  45     if matches.nil? or matches.length < 2
  46       return StandardError.new("Couldn't parse the video's embed_tag.")
  47     end
  48
  49     return matches[1]
  50   end
  51
  52
  53   def playlist_url(embed_tag)
  54     return "http://www.liveleak.com/playlist_new.php?file_embed_tag=#{embed_tag}"
  55   end
  56
  57
  58   def parse_location_from_playlist(xml_data)
  59     file_path_regex = /<location>(.*?)<\/location>/
  60     matches = file_path_regex.match(xml_data)
  61
  62     if matches.nil?
  63       raise StandardError.new("Couldn't parse the <location> tag from the playlist XML file.")
  64     end
  65
  66     return matches[1]
  67   end
  68
  69 end