share/lua/website/metacafe.lua

   1
   2 -- libquvi-scripts
   3 -- Copyright (C) 2013  Toni Gundogdu <legatvs@gmail.com>
   4 -- Copyright (C) 2011  Lionel Elie Mamane <lionel@mamane.lu>
   5 --
   6 -- This file is part of libquvi-scripts <http://quvi.sourceforge.net/>.
   7 --
   8 -- This library is free software; you can redistribute it and/or
   9 -- modify it under the terms of the GNU Lesser General Public
  10 -- License as published by the Free Software Foundation; either
  11 -- version 2.1 of the License, or (at your option) any later version.
  12 --
  13 -- This library is distributed in the hope that it will be useful,
  14 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 -- Lesser General Public License for more details.
  17 --
  18 -- You should have received a copy of the GNU Lesser General Public
  19 -- License along with this library; if not, write to the Free Software
  20 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21 -- 02110-1301  USA
  22 --
  23
  24 local Metacafe = {} -- Utility functions unique to this script.
  25
  26 -- Identify the script.
  27 function ident(self)
  28     package.path = self.script_dir .. '/?.lua'
  29     local C      = require 'quvi/const'
  30     local r      = {}
  31     r.domain     = "metacafe%.com"
  32     r.formats    = "default"
  33     r.categories = C.proto_http
  34     local U      = require 'quvi/util'
  35     r.handles    = U.handles(self.page_url, {r.domain},
  36                      {"/watch/%d+/", "/watch/yt-[^/]+/"})
  37     return r
  38 end
  39
  40 -- Query available formats.
  41 function query_formats(self)
  42     if not Metacafe.redirectp(self) then
  43         self.formats = 'default'
  44     end
  45     return self
  46 end
  47
  48 -- Parse media URL.
  49 function parse(self)
  50     self.host_id = "metacafe"
  51
  52     if Metacafe.redirectp(self) then
  53         return self
  54     end
  55
  56     local U = require 'quvi/util'
  57     local p = Metacafe.fetch_page(self, U)
  58
  59     local v = p:match('name="flashvars" value="(.-)"')
  60                 or error('no match: flashvars')
  61
  62     v = U.slash_unescape(U.unescape(v))
  63
  64     self.thumbnail_url = p:match('rel="image_src" href="(.-)"') or ''
  65
  66     self.title = v:match('title=(.-)&') or error('no match: media title')
  67
  68     self.id = v:match('itemID=(%d+)') or error('no match: media ID')
  69
  70     local u = v:match('"mediaURL":"(.-)"')
  71                 or error('no match: media stream URL')
  72
  73     local k = v:match('"key":"__gda__","value":"(.-)"')
  74                 or error('no match: key')
  75
  76     self.url = {string.format("%s?__gda__=%s", u, k)}
  77
  78     return self
  79 end
  80
  81 --
  82 -- Utility functions
  83 --
  84
  85 function Metacafe.redirectp(self)
  86     local s = self.page_url:match('/watch/yt%-([^/]+)/')
  87     if s then -- Hand over to youtube.lua
  88         self.redirect_url = 'http://youtube.com/watch?v=' .. s
  89         return true
  90     end
  91     return false
  92 end
  93
  94 function Metacafe.fetch_page(self, U)
  95     self.page_url = Metacafe.normalize(self.page_url)
  96
  97     return quvi.fetch(self.page_url)
  98 end
  99
 100 function Metacafe.normalize(page_url) -- "Normalize" embedded URLs
 101     return page_url
 102 end
 103
 104 -- vim: set ts=4 sw=4 tw=72 expandtab: