share/media/dorkly.lua

   1 -- libquvi-scripts
   2 -- Copyright (C) 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 Dorkly = {} -- Utility functions unique to this script
  22
  23 -- Identify the media script.
  24 function ident(qargs)
  25   return {
  26     can_parse_url = Dorkly.can_parse_url(qargs),
  27     domains = table.concat({'dorkly.com'}, ',')
  28   }
  29 end
  30
  31 -- Parse the media properties.
  32 function parse(qargs)
  33
  34   if Dorkly.is_affiliate(qargs) then
  35     return qargs
  36   end
  37
  38   -- Make mandatory: the ID is required to fetch the stream data
  39   qargs.id = qargs.input_url:match('/video/(%d+)/')
  40                 or qargs.input_url:match('/embed/(%d+)/')
  41                   or error('no match: media ID')
  42
  43   local t = {'http://www.dorkly.com/moogaloop/video/', qargs.id}
  44   local d = quvi.http.fetch(table.concat(t)).data
  45
  46   local L = require 'quvi/lxph'
  47   local P = require 'lxp.lom'
  48
  49   local x = P.parse(d)
  50   local v = L.find_first_tag(x, 'video')
  51
  52   qargs.duration_ms = tonumber(L.find_first_tag(v, 'duration')[1])
  53
  54   qargs.thumb_url = L.find_first_tag(v, 'thumbnail')[1]
  55
  56   qargs.title = L.find_first_tag(v, 'caption')[1]
  57
  58   qargs.streams = Dorkly.iter_streams(L, v)
  59
  60   return qargs
  61 end
  62
  63 --
  64 -- Utility functions
  65 --
  66
  67 function Dorkly.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('^http$')
  71        and t.host   and t.host:lower():match('dorkly%.com$')
  72        and t.path   and (t.path:lower():match('^/video/%d+/')
  73                           or t.path:lower():match('^/embed/%d+/'))
  74   then
  75     return true
  76   else
  77     return false
  78   end
  79 end
  80
  81 function Dorkly.is_affiliate(qargs)
  82   if not qargs.input_url:match('/embed/') then
  83     return false
  84   end
  85
  86   local p = quvi.http.fetch(qargs.input_url).data
  87
  88   local u = p:match('iframe.-src="(.-)"')
  89               or error('no match: iframe: src')
  90
  91   if not u:match('^http:') then
  92     u = table.concat({'http:',u}) -- Fix URL if the scheme is missing.
  93   end
  94
  95   qargs.goto_url = u
  96   return true
  97 end
  98
  99 function Dorkly.iter_streams(L, v)
 100   local u = L.find_first_tag(v, 'file')[1]
 101   local S = require 'quvi/stream'
 102   return {S.stream_new(u)}
 103 end
 104
 105 -- vim: set ts=2 sw=2 tw=72 expandtab: