share/media/guardian.lua

   1 -- libquvi-scripts
   2 -- Copyright (C) 2011,2013  Toni Gundogdu <legatvs@gmail.com>
   3 --
   4 -- This file is part of libquvi-scripts <http://quvi.sourceforge.net/>.
   5 --
   6 -- This program is free software: you can redistribute it and/or
   7 -- modify it under the terms of the GNU Affero General Public
   8 -- License as published by the Free Software Foundation, either
   9 -- version 3 of the License, or (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 Affero General Public License for more details.
  15 --
  16 -- You should have received a copy of the GNU Affero General
  17 -- Public License along with this program.  If not, see
  18 -- <http://www.gnu.org/licenses/>.
  19 --
  20
  21 local Guardian = {} -- Utility functions unique to this script
  22
  23 -- Identify the media script.
  24 function ident(qargs)
  25   return {
  26     can_parse_url = Guardian.can_parse_url(qargs),
  27     domains = table.concat({'guardian.co.uk'}, ',')
  28   }
  29 end
  30
  31 -- Query available formats.
  32 function query_formats(self)
  33     self.formats = 'default'
  34     return self
  35 end
  36
  37 -- Parse media URL.
  38 function parse(self)
  39     self.host_id = "guardian"
  40
  41     local p = quvi.fetch(self.page_url)
  42
  43     self.title = p:match('"og:title" content="(.-)"')
  44                     or error('no match: media title')
  45
  46     self.id = p:match('containerID%s+=%s+["\'](.-)["\']')
  47                   or p:match('audioID%s+=%s+["\'](.-)["\']')
  48                       or ''
  49
  50     self.id = self.id:match('(%d+)') or error('no match: media ID')
  51
  52     self.duration = tonumber(p:match('duration%:%s+"?(%d+)"?') or 0) * 1000
  53
  54     self.thumbnail_url = p:match('"thumbnail" content="(.-)"')
  55                             or p:match('"og:image" content="(.-)"') or ''
  56
  57     self.url = {p:match('file:%s+"(.-)"')
  58                   or error('no match: media stream URL')}
  59
  60     return self
  61 end
  62
  63 --
  64 -- Utility functions
  65 --
  66
  67 function Guardian.can_parse_url(qargs)
  68   local U = require 'socket.url'
  69   local t = U.parse(qargs.input_url)
  70   if t and t.scheme and t.scheme:lower():match('^https?$')
  71        and t.host   and t.host:lower():match('guardian%.co%.uk$')
  72        and t.path   and (t.path:lower():match('/video/')
  73                          or t.path:lower():match('/audio/'))
  74   then
  75     return true
  76   else
  77     return false
  78   end
  79 end
  80
  81 -- vim: set ts=4 sw=4 tw=72 expandtab: