# coding: utf-8 from __future__ import unicode_literals import base64 import random import string import time from .common import InfoExtractor from ..compat import ( compat_urllib_parse, compat_ord, ) from ..utils import ( ExtractorError, sanitized_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 = [{ # MD5 is unstable 'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html', '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, 'skip': 'Available in China only', }, { 'url': 'http://v.youku.com/v_show/id_XMTI1OTczNDM5Mg==.html', 'info_dict': { 'id': 'XMTI1OTczNDM5Mg', 'title': '花千骨 04', }, 'playlist_count': 13, }, { 'url': 'http://v.youku.com/v_show/id_XNjA1NzA2Njgw.html', 'note': 'Video protected with password', 'info_dict': { 'id': 'XNjA1NzA2Njgw', 'title': '邢義田复旦讲座之想象中的胡人—从“左衽孔子”说起', }, 'playlist_count': 19, 'params': { 'videopassword': '100600', }, }] def construct_video_urls(self, data): # 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(data['security']['encrypt_string'].encode('ascii')) ).decode('ascii').split('_') # get oip oip = data['security']['ip'] fileid_dict = {} for stream in data['stream']: format = stream.get('stream_type') fileid = stream['stream_fileid'] fileid_dict[format] = fileid def get_fileid(format, n): number = hex(int(str(n), 10))[2:].upper() if len(number) == 1: number = '0' + number streamfileids = fileid_dict[format] fileid = streamfileids[0:8] + number + streamfileids[10:] 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 stream in data['stream']: format = stream.get('stream_type') video_urls = [] for dt in stream['segs']: n = str(stream['segs'].index(dt)) param = { 'K': dt['key'], 'hd': self.get_hd(format), 'myp': 0, '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 + \ '_00' + \ '/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 @staticmethod def get_ysuid(): return '%d%s' % (int(time.time()), ''.join([ random.choice(string.ascii_letters) for i in range(3)])) def get_hd(self, fm): hd_id_dict = { '3gp': '0', '3gphd': '1', 'flv': '0', 'flvhd': '0', 'mp4': '1', 'mp4hd': '1', 'mp4hd2': '1', 'mp4hd3': '1', 'hd2': '2', 'hd3': '3', } return hd_id_dict[fm] def parse_ext_l(self, fm): ext_dict = { '3gp': 'flv', '3gphd': 'mp4', 'flv': 'flv', 'flvhd': 'flv', 'mp4': 'mp4', 'mp4hd': 'mp4', 'mp4hd2': 'flv', 'mp4hd3': 'flv', 'hd2': 'flv', 'hd3': 'flv', } return ext_dict[fm] def get_format_name(self, fm): _dict = { '3gp': 'h6', '3gphd': 'h5', 'flv': 'h4', 'flvhd': 'h4', 'mp4': 'h3', 'mp4hd': 'h3', 'mp4hd2': 'h4', 'mp4hd3': 'h4', 'hd2': 'h2', 'hd3': 'h1', } return _dict[fm] def _real_extract(self, url): video_id = self._match_id(url) self._set_cookie('youku.com', '__ysuid', self.get_ysuid()) def retrieve_data(req_url, note): headers = { 'Referer': req_url, } self._set_cookie('youku.com', 'xreferrer', 'http://www.youku.com') req = sanitized_Request(req_url, headers=headers) 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'] video_password = self._downloader.params.get('videopassword', None) # request basic data basic_data_url = "http://play.youku.com/play/get.json?vid=%s&ct=12" % video_id if video_password: basic_data_url += '&pwd=%s' % video_password data = retrieve_data(basic_data_url, 'Downloading JSON metadata') error = data.get('error') if error: error_note = error.get('note') if error_note is not None and '因版权原因无法观看此视频' in error_note: raise ExtractorError( 'Youku said: Sorry, this video is available in China only', expected=True) else: msg = 'Youku server reported error %i' % error.get('code') if error_note is not None: msg += ': ' + error_note raise ExtractorError(msg) # get video title title = data['video']['title'] # generate video_urls_dict video_urls_dict = self.construct_video_urls(data) # 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.get('segs')) for v in data['stream']))] for stream in data['stream']: fm = stream.get('stream_type') video_urls = video_urls_dict[fm] for video_url, seg, entry in zip(video_urls, stream['segs'], 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, }