share/lua/website/metacafe.lua

   1
   2 -- libquvi-scripts
   3 -- Copyright (C) 2011  Lionel Elie Mamane <lionel@mamane.lu>
   4 --
   5 -- This file is part of libquvi-scripts <http://quvi.sourceforge.net/>.
   6 --
   7 -- This library is free software; you can redistribute it and/or
   8 -- modify it under the terms of the GNU Lesser General Public
   9 -- License as published by the Free Software Foundation; either
  10 -- version 2.1 of the License, or (at your option) any later version.
  11 --
  12 -- This library is distributed in the hope that it will be useful,
  13 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 -- Lesser General Public License for more details.
  16 --
  17 -- You should have received a copy of the GNU Lesser General Public
  18 -- License along with this library; if not, write to the Free Software
  19 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20 -- 02110-1301  USA
  21 --
  22
  23 local Metacafe = {} -- Utility functions unique to this script.
  24
  25 -- Identify the script.
  26 function ident(self)
  27     package.path = self.script_dir .. '/?.lua'
  28     local C      = require 'quvi/const'
  29     local r      = {}
  30     r.domain     = "metacafe%.com"
  31     r.formats    = "default"
  32     r.categories = C.proto_http
  33     local U      = require 'quvi/util'
  34     r.handles    = U.handles(self.page_url, {r.domain},
  35                      {"/watch/%d+/", "/watch/yt-[^/]+/"})
  36     return r
  37 end
  38
  39 -- Query available formats.
  40 function query_formats(self)
  41     if not Metacafe.redirectp(self) then
  42         self.formats = 'default'
  43     end
  44     return self
  45 end
  46
  47 -- Parse media URL.
  48 function parse(self)
  49     self.host_id = "metacafe"
  50
  51     if Metacafe.redirectp(self) then
  52         return self
  53     end
  54
  55     local U = require 'quvi/util'
  56     local p = Metacafe.fetch_page(self, U)
  57
  58     self.title = p:match('"title":"(.-)"')
  59                   or error("no match: media title")
  60
  61     self.title = U.unescape(self.title)
  62
  63     self.id = p:match('"itemID":"(.-)"')
  64                 or error('no match: media id')
  65
  66     self.thumbnail_url = p:match('rel="image_src" href="(.-)"') or ''
  67
  68     local d = p:match('"mediaData":"(.-)"')
  69                 or error('no match: media data')
  70     d = U.unescape(d)
  71
  72     local u = d:match('"mediaURL":"(.-)"')
  73                 or error('no match: media url')
  74     u = U.slash_unescape(u)
  75
  76     local k = d:match('"key":"(.-)"')
  77                 or error('no match: gda key')
  78
  79     self.url = {string.format("%s?__gda__=%s", u, k)}
  80
  81     return self
  82 end
  83
  84 --
  85 -- Utility functions
  86 --
  87
  88 function Metacafe.redirectp(self)
  89     local s = self.page_url:match('/watch/yt%-([^/]+)/')
  90     if s then -- Hand over to youtube.lua
  91         self.redirect_url = 'http://youtube.com/watch?v=' .. s
  92         return true
  93     end
  94     return false
  95 end
  96
  97 function Metacafe.fetch_page(self, U)
  98     self.page_url = Metacafe.normalize(self.page_url)
  99
 100     return quvi.fetch(self.page_url)
 101 end
 102
 103 function Metacafe.normalize(page_url) -- "Normalize" embedded URLs
 104     return page_url
 105 end
 106
 107 -- vim: set ts=4 sw=4 tw=72 expandtab: