Script para descargar salvados

En principio vale para cualquier programa de la misma cadena, pero sólo está probado con salvados.

Tiene un retoque respecto del original de Pablo Castellanos, para descargar usando mplayer.


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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# lasexta_video_downloader.py - Download videos from lasexta.com
# Copyright (C) 2011 Pablo Castellano
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see .

# Example encoded string: 7077f50772d81456186cf91ab66e6b8ec99250629a403fed91a4101a7dae78a2eb3e18f9ee6e9912b4809d74ca39b992ec1c7a3e422e92643de8eb5f1ec3ebf30e01a412a99c209f31d9dfad606a85d8f7bb8c557d95ebd95f0080744a40bccd505996bd5058106ff400ee3cd2a20929beee4ae3da536d3867bdc25f4083b267fd3ed24656761be8313dac245ccf0c07125079535739368d41
# Example url: http://www.lasexta.com/sextatv/veranodirecto/macrobotellon_en_madrid_mientras_el_papa_duerme/260233/6563

# TODO: rtmpdump -A and -B parameters should be used to download the specific portion of video but it doesn't work for me
# TODO: Add suport for playlists like http://www.lasexta.com/sextatv/salvados/completos/salvados__domingo__25_de_septiembre/501473/1

__author__ = "Pablo Castellano "
__date__ = "22/08/2011"

from Crypto.Cipher import ARC4
import sys

import urllib
import re
import subprocess
import datetime
from string import hexdigits
lock=0


def parseUrl(url):
    f = urllib.urlopen(url)
    s = None
   
    for l in f.readlines():
    #    n = l.find("_urlVideo")
        n = l.find("_url_list")
        if n != -1:
            s = l[n:]
            break
   
    f.close()
   
    if s == None:
        print "Sorry, no video url could be found!"
        sys.exit(1)
   
    return re.compile("^_url_list=([a-f0-9]+)").match(s).group(1)


# From the Internets
def HexToByte(hexStr):
    bytes = []
    hexStr = ''.join( hexStr.split(" ") )
   
    for i in range(0, len(hexStr), 2):
        bytes.append( chr( int (hexStr[i:i+2], 16 ) ) )
   
    return ''.join( bytes )


def isHex(hexStr):
    for c in hexStr:
        if c not in hexdigits:
            return False
   
    return True


def decodeRTMP(Str):
    if Str.startswith("http://") or Str.startswith("www") or Str.startswith("lasexta"):
        Str = parseUrl(Str)
    elif not isHex(Str):
        print "Wrong parameter."
        print "Usage: %s [URL|encoded string]" %sys.argv[0]
        sys.exit(1)
   
    c = ARC4.new("sd4sdfkvm234")
    d = c.decrypt(HexToByte(Str))
        return d   

def getFlvUrls(url):
        f = urllib.urlopen(url)
        s = None
        print 'RAWURL: "%s"', url

        for l in f.readlines():
                n = l.find("")
                if n != -1:
                        actualDownloadVideo(l)


def actualDownloadVideo(url):
    url1 = re.match(".*([^<]*)<\/urlHD>.*" , url)
    print "Cipher URL: "+url1.group(1)
    url = decodeRTMP(url1.group(1))
    print "Uncipher URL:"+url
    now = datetime.datetime.now()
    result = re.match(".*(salvados.*mp4).*" , url)
    if(result is None):
        result = re.match(".*([^<]*)<\/urlHD>.*" , url)
        print decodeRTMP(result)
#        result = re.match(,decodeRTMP(result))   

        if result is not None:
            server = result.group(1)
            stream = result.group(2)
            strToExec="mplayer -dumpstream -dumpfile  /home/almacen/mogollon/emule/salvados-"+str(now.day)+"-"+str(now.hour)+str(now.minute)+str(now.second)+".mp4 rtmp://vod.lasexta.com/vod/"+stream
            print(strToExec)
        else:
           
            result = re.match(".*(.*.mp4)[^</]*<\/url>.*" , url)
    else:   
        stream = result.group(1)
        strToExec="mplayer -dumpstream -dumpfile  /home/almacen/mogollon/emule/salvados-"+str(now.day)+"-"+str(now.hour)+str(now.minute)+str(now.second)+".mp4 rtmp://vod.lasexta.com/vod/"+stream
        print(strToExec)
    subprocess.call(strToExec, shell=True)



if __name__ == "__main__":
   
    print "LaSexta video downloader"
    print
   
    if len(sys.argv) != 2:
        print "Usage: %s [URL|encoded string]" %sys.argv[0]
        sys.exit(0)


       # cryptVideoUrl= getList_url(sys.argv[1])    
    url= decodeRTMP(sys.argv[1])
        getFlvUrls(url);