
-- libquvi-scripts
-- Copyright (C) 2010-2012  quvi project
--
-- This file is part of libquvi-scripts <http://quvi.sourceforge.net/>.
--
-- This library is free software; you can redistribute it and/or
-- modify it under the terms of the GNU Lesser General Public
-- License as published by the Free Software Foundation; either
-- version 2.1 of the License, or (at your option) any later version.
--
-- This library is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-- Lesser General Public License for more details.
--
-- You should have received a copy of the GNU Lesser General Public
-- License along with this library; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-- 02110-1301  USA
--

-- Note: Video URL verification which is done after parsing the details
-- in this script *will* fail if you are using a proxy that omits the
-- user-agent.

-- Identify the script.
function ident(self)
    package.path = self.script_dir .. '/?.lua'
    local C      = require 'quvi/const'
    local r      = {}
    r.domain     = "video%.globo%.com"
    r.formats    = "default"
    r.categories = C.proto_http
    local U      = require 'quvi/util'
    r.handles    = U.handles(self.page_url, {r.domain}, {"/Videos/"})
    return r
end

-- Query available formats.
function query_formats(self)
    self.formats = 'default'
    return self
end

-- Parse media URL.
function parse(self)
    self.host_id = "globo"

    local p = quvi.fetch(self.page_url)

    self.id = p:match('midiaId: (.-),')
                or error("no match: media ID")

    self.title = p:match('<title>.*-.*- (.-)</title>')
                  or error("no match: media title")

    local c_url = "http://playervideo.globo.com/webmedia/GMCPlayListASX"
                    .. "?flash=true&midiaId="
                    .. self.id

    -- Unless user-agent is set here to 'iphone', URL verification
    -- *will* fail (HTTP/403) later. Fetching below itself does not
    -- need it, just the URL verification. We set it here to be safe.

    local o = {fetch_type='config', user_agent='iphone'}
    local c = quvi.fetch(config_url, o)
    local _,_,d,s = c:find('<video duration="(.-)" src="(.-)%?')
    self.duration = tonumber(d) or 0
    self.url      = {s or error('no match: media URL')}

    return self
end

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