mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2025-11-01 09:26:45 -07:00
269 lines
8.3 KiB
Python
269 lines
8.3 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import base64
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import random
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import string
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import time
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from .common import InfoExtractor
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from ..compat import (
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compat_urllib_parse,
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compat_ord,
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)
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from ..utils import (
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ExtractorError,
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sanitized_Request,
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)
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class YoukuIE(InfoExtractor):
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IE_NAME = 'youku'
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IE_DESC = '优酷'
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_VALID_URL = r'''(?x)
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(?:
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http://(?:v|player)\.youku\.com/(?:v_show/id_|player\.php/sid/)|
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youku:)
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(?P<id>[A-Za-z0-9]+)(?:\.html|/v\.swf|)
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'''
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_TESTS = [{
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# MD5 is unstable
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'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html',
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'info_dict': {
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'id': 'XMTc1ODE5Njcy_part1',
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'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.',
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'ext': 'flv'
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}
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}, {
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'url': 'http://player.youku.com/player.php/sid/XNDgyMDQ2NTQw/v.swf',
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'only_matching': True,
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}, {
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'url': 'http://v.youku.com/v_show/id_XODgxNjg1Mzk2_ev_1.html',
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'info_dict': {
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'id': 'XODgxNjg1Mzk2',
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'title': '武媚娘传奇 85',
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},
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'playlist_count': 11,
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'skip': 'Available in China only',
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}, {
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'url': 'http://v.youku.com/v_show/id_XMTI1OTczNDM5Mg==.html',
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'info_dict': {
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'id': 'XMTI1OTczNDM5Mg',
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'title': '花千骨 04',
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},
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'playlist_count': 13,
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}, {
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'url': 'http://v.youku.com/v_show/id_XNjA1NzA2Njgw.html',
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'note': 'Video protected with password',
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'info_dict': {
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'id': 'XNjA1NzA2Njgw',
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'title': '邢義田复旦讲座之想象中的胡人—从“左衽孔子”说起',
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},
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'playlist_count': 19,
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'params': {
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'videopassword': '100600',
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},
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}]
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def construct_video_urls(self, data):
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# get sid, token
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def yk_t(s1, s2):
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ls = list(range(256))
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t = 0
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for i in range(256):
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t = (t + ls[i] + compat_ord(s1[i % len(s1)])) % 256
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ls[i], ls[t] = ls[t], ls[i]
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s = bytearray()
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x, y = 0, 0
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for i in range(len(s2)):
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y = (y + 1) % 256
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x = (x + ls[y]) % 256
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ls[x], ls[y] = ls[y], ls[x]
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s.append(compat_ord(s2[i]) ^ ls[(ls[x] + ls[y]) % 256])
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return bytes(s)
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sid, token = yk_t(
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b'becaf9be', base64.b64decode(data['security']['encrypt_string'].encode('ascii'))
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).decode('ascii').split('_')
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# get oip
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oip = data['security']['ip']
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fileid_dict = {}
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for stream in data['stream']:
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format = stream.get('stream_type')
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fileid = stream['stream_fileid']
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fileid_dict[format] = fileid
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def get_fileid(format, n):
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number = hex(int(str(n), 10))[2:].upper()
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if len(number) == 1:
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number = '0' + number
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streamfileids = fileid_dict[format]
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fileid = streamfileids[0:8] + number + streamfileids[10:]
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return fileid
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# get ep
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def generate_ep(format, n):
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fileid = get_fileid(format, n)
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ep_t = yk_t(
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b'bf7e5f01',
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('%s_%s_%s' % (sid, fileid, token)).encode('ascii')
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)
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ep = base64.b64encode(ep_t).decode('ascii')
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return ep
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# generate video_urls
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video_urls_dict = {}
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for stream in data['stream']:
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format = stream.get('stream_type')
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video_urls = []
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for dt in stream['segs']:
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n = str(stream['segs'].index(dt))
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param = {
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'K': dt['key'],
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'hd': self.get_hd(format),
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'myp': 0,
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'ypp': 0,
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'ctype': 12,
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'ev': 1,
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'token': token,
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'oip': oip,
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'ep': generate_ep(format, n)
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}
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video_url = \
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'http://k.youku.com/player/getFlvPath/' + \
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'sid/' + sid + \
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'_00' + \
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'/st/' + self.parse_ext_l(format) + \
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'/fileid/' + get_fileid(format, n) + '?' + \
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compat_urllib_parse.urlencode(param)
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video_urls.append(video_url)
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video_urls_dict[format] = video_urls
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return video_urls_dict
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@staticmethod
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def get_ysuid():
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return '%d%s' % (int(time.time()), ''.join([
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random.choice(string.ascii_letters) for i in range(3)]))
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def get_hd(self, fm):
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hd_id_dict = {
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'3gp': '0',
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'3gphd': '1',
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'flv': '0',
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'flvhd': '0',
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'mp4': '1',
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'mp4hd': '1',
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'mp4hd2': '1',
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'mp4hd3': '1',
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'hd2': '2',
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'hd3': '3',
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}
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return hd_id_dict[fm]
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def parse_ext_l(self, fm):
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ext_dict = {
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'3gp': 'flv',
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'3gphd': 'mp4',
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'flv': 'flv',
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'flvhd': 'flv',
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'mp4': 'mp4',
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'mp4hd': 'mp4',
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'mp4hd2': 'flv',
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'mp4hd3': 'flv',
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'hd2': 'flv',
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'hd3': 'flv',
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}
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return ext_dict[fm]
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def get_format_name(self, fm):
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_dict = {
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'3gp': 'h6',
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'3gphd': 'h5',
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'flv': 'h4',
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'flvhd': 'h4',
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'mp4': 'h3',
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'mp4hd': 'h3',
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'mp4hd2': 'h4',
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'mp4hd3': 'h4',
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'hd2': 'h2',
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'hd3': 'h1',
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}
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return _dict[fm]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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self._set_cookie('youku.com', '__ysuid', self.get_ysuid())
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def retrieve_data(req_url, note):
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headers = {
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'Referer': req_url,
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}
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self._set_cookie('youku.com', 'xreferrer', 'http://www.youku.com')
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req = sanitized_Request(req_url, headers=headers)
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cn_verification_proxy = self._downloader.params.get('cn_verification_proxy')
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if cn_verification_proxy:
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req.add_header('Ytdl-request-proxy', cn_verification_proxy)
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raw_data = self._download_json(req, video_id, note=note)
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return raw_data['data']
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video_password = self._downloader.params.get('videopassword', None)
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# request basic data
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basic_data_url = "http://play.youku.com/play/get.json?vid=%s&ct=12" % video_id
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if video_password:
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basic_data_url += '&pwd=%s' % video_password
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data = retrieve_data(basic_data_url, 'Downloading JSON metadata')
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error = data.get('error')
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if error:
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error_note = error.get('note')
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if error_note is not None and '因版权原因无法观看此视频' in error_note:
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raise ExtractorError(
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'Youku said: Sorry, this video is available in China only', expected=True)
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else:
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msg = 'Youku server reported error %i' % error.get('code')
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if error_note is not None:
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msg += ': ' + error_note
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raise ExtractorError(msg)
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# get video title
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title = data['video']['title']
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# generate video_urls_dict
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video_urls_dict = self.construct_video_urls(data)
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# construct info
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entries = [{
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'id': '%s_part%d' % (video_id, i + 1),
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'title': title,
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'formats': [],
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# some formats are not available for all parts, we have to detect
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# which one has all
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} for i in range(max(len(v.get('segs')) for v in data['stream']))]
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for stream in data['stream']:
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fm = stream.get('stream_type')
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video_urls = video_urls_dict[fm]
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for video_url, seg, entry in zip(video_urls, stream['segs'], entries):
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entry['formats'].append({
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'url': video_url,
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'format_id': self.get_format_name(fm),
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'ext': self.parse_ext_l(fm),
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'filesize': int(seg['size']),
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})
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return {
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'_type': 'multi_video',
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'id': video_id,
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'title': title,
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'entries': entries,
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}
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