|
|
- # coding: utf-8
- from __future__ import unicode_literals
-
- import base64
-
- from .common import InfoExtractor
- from ..utils import ExtractorError
-
- from ..compat import (
- compat_urllib_parse,
- compat_ord,
- compat_urllib_request,
- )
-
-
- class YoukuIE(InfoExtractor):
- IE_NAME = 'youku'
- IE_DESC = '优酷'
- _VALID_URL = r'''(?x)
- (?:
- http://(?:v|player)\.youku\.com/(?:v_show/id_|player\.php/sid/)|
- youku:)
- (?P<id>[A-Za-z0-9]+)(?:\.html|/v\.swf|)
- '''
-
- _TESTS = [{
- 'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html',
- 'md5': '5f3af4192eabacc4501508d54a8cabd7',
- 'info_dict': {
- 'id': 'XMTc1ODE5Njcy_part1',
- 'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.',
- 'ext': 'flv'
- }
- }, {
- 'url': 'http://player.youku.com/player.php/sid/XNDgyMDQ2NTQw/v.swf',
- 'only_matching': True,
- }, {
- 'url': 'http://v.youku.com/v_show/id_XODgxNjg1Mzk2_ev_1.html',
- 'info_dict': {
- 'id': 'XODgxNjg1Mzk2',
- 'title': '武媚娘传奇 85',
- },
- 'playlist_count': 11,
- }, {
- 'url': 'http://v.youku.com/v_show/id_XMTI1OTczNDM5Mg==.html',
- 'info_dict': {
- 'id': 'XMTI1OTczNDM5Mg',
- 'title': '花千骨 04',
- },
- 'playlist_count': 13,
- 'skip': 'Available in China only',
- }]
-
- def construct_video_urls(self, data1, data2):
- # get sid, token
- def yk_t(s1, s2):
- ls = list(range(256))
- t = 0
- for i in range(256):
- t = (t + ls[i] + compat_ord(s1[i % len(s1)])) % 256
- ls[i], ls[t] = ls[t], ls[i]
- s = bytearray()
- x, y = 0, 0
- for i in range(len(s2)):
- y = (y + 1) % 256
- x = (x + ls[y]) % 256
- ls[x], ls[y] = ls[y], ls[x]
- s.append(compat_ord(s2[i]) ^ ls[(ls[x] + ls[y]) % 256])
- return bytes(s)
-
- sid, token = yk_t(
- b'becaf9be', base64.b64decode(data2['ep'].encode('ascii'))
- ).decode('ascii').split('_')
-
- # get oip
- oip = data2['ip']
-
- # get fileid
- string_ls = list(
- 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890')
- shuffled_string_ls = []
- seed = data1['seed']
- N = len(string_ls)
- for ii in range(N):
- seed = (seed * 0xd3 + 0x754f) % 0x10000
- idx = seed * len(string_ls) // 0x10000
- shuffled_string_ls.append(string_ls[idx])
- del string_ls[idx]
-
- fileid_dict = {}
- for format in data1['streamtypes']:
- streamfileid = [
- int(i) for i in data1['streamfileids'][format].strip('*').split('*')]
- fileid = ''.join(
- [shuffled_string_ls[i] for i in streamfileid])
- fileid_dict[format] = fileid[:8] + '%s' + fileid[10:]
-
- def get_fileid(format, n):
- fileid = fileid_dict[format] % hex(int(n))[2:].upper().zfill(2)
- return fileid
-
- # get ep
- def generate_ep(format, n):
- fileid = get_fileid(format, n)
- ep_t = yk_t(
- b'bf7e5f01',
- ('%s_%s_%s' % (sid, fileid, token)).encode('ascii')
- )
- ep = base64.b64encode(ep_t).decode('ascii')
- return ep
-
- # generate video_urls
- video_urls_dict = {}
- for format in data1['streamtypes']:
- video_urls = []
- for dt in data1['segs'][format]:
- n = str(int(dt['no']))
- param = {
- 'K': dt['k'],
- 'hd': self.get_hd(format),
- 'myp': 0,
- 'ts': dt['seconds'],
- 'ypp': 0,
- 'ctype': 12,
- 'ev': 1,
- 'token': token,
- 'oip': oip,
- 'ep': generate_ep(format, n)
- }
- video_url = \
- 'http://k.youku.com/player/getFlvPath/' + \
- 'sid/' + sid + \
- '_' + str(int(n) + 1).zfill(2) + \
- '/st/' + self.parse_ext_l(format) + \
- '/fileid/' + get_fileid(format, n) + '?' + \
- compat_urllib_parse.urlencode(param)
- video_urls.append(video_url)
- video_urls_dict[format] = video_urls
-
- return video_urls_dict
-
- def get_hd(self, fm):
- hd_id_dict = {
- 'flv': '0',
- 'mp4': '1',
- 'hd2': '2',
- 'hd3': '3',
- '3gp': '0',
- '3gphd': '1'
- }
- return hd_id_dict[fm]
-
- def parse_ext_l(self, fm):
- ext_dict = {
- 'flv': 'flv',
- 'mp4': 'mp4',
- 'hd2': 'flv',
- 'hd3': 'flv',
- '3gp': 'flv',
- '3gphd': 'mp4'
- }
- return ext_dict[fm]
-
- def get_format_name(self, fm):
- _dict = {
- '3gp': 'h6',
- '3gphd': 'h5',
- 'flv': 'h4',
- 'mp4': 'h3',
- 'hd2': 'h2',
- 'hd3': 'h1'
- }
- return _dict[fm]
-
- def _real_extract(self, url):
- video_id = self._match_id(url)
-
- def retrieve_data(req_url, note):
- req = compat_urllib_request.Request(req_url)
-
- cn_verification_proxy = self._downloader.params.get('cn_verification_proxy')
- if cn_verification_proxy:
- req.add_header('Ytdl-request-proxy', cn_verification_proxy)
-
- raw_data = self._download_json(req, video_id, note=note)
- return raw_data['data'][0]
-
- # request basic data
- data1 = retrieve_data(
- 'http://v.youku.com/player/getPlayList/VideoIDS/%s' % video_id,
- 'Downloading JSON metadata 1')
- data2 = retrieve_data(
- 'http://v.youku.com/player/getPlayList/VideoIDS/%s/Pf/4/ctype/12/ev/1' % video_id,
- 'Downloading JSON metadata 2')
-
- error_code = data1.get('error_code')
- if error_code:
- error = data1.get('error')
- if error is not None and '因版权原因无法观看此视频' in error:
- raise ExtractorError(
- 'Youku said: Sorry, this video is available in China only', expected=True)
- else:
- msg = 'Youku server reported error %i' % error_code
- if error is not None:
- msg += ': ' + error
- raise ExtractorError(msg)
-
- title = data1['title']
-
- # generate video_urls_dict
- video_urls_dict = self.construct_video_urls(data1, data2)
-
- # construct info
- entries = [{
- 'id': '%s_part%d' % (video_id, i + 1),
- 'title': title,
- 'formats': [],
- # some formats are not available for all parts, we have to detect
- # which one has all
- } for i in range(max(len(v) for v in data1['segs'].values()))]
- for fm in data1['streamtypes']:
- video_urls = video_urls_dict[fm]
- for video_url, seg, entry in zip(video_urls, data1['segs'][fm], entries):
- entry['formats'].append({
- 'url': video_url,
- 'format_id': self.get_format_name(fm),
- 'ext': self.parse_ext_l(fm),
- 'filesize': int(seg['size']),
- })
-
- return {
- '_type': 'multi_video',
- 'id': video_id,
- 'title': title,
- 'entries': entries,
- }
|
