# coding: utf-8 from __future__ import unicode_literals import math import random import re import time from .common import InfoExtractor from ..utils import ( ExtractorError, ) class YoukuIE(InfoExtractor): _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|) ''' _TEST = { 'url': 'http://v.youku.com/v_show/id_XNDgyMDQ2NTQw.html', 'md5': 'ffe3f2e435663dc2d1eea34faeff5b5b', 'params': { 'test': False }, 'info_dict': { 'id': 'XNDgyMDQ2NTQw_part00', 'ext': 'flv', 'title': 'youtube-dl test video "\'/\\ä↭𝕐' } } def _gen_sid(self): nowTime = int(time.time() * 1000) random1 = random.randint(1000, 1998) random2 = random.randint(1000, 9999) return "%d%d%d" % (nowTime, random1, random2) def _get_file_ID_mix_string(self, seed): mixed = [] source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890") seed = float(seed) for i in range(len(source)): seed = (seed * 211 + 30031) % 65536 index = math.floor(seed / 65536 * len(source)) mixed.append(source[int(index)]) source.remove(source[int(index)]) # return ''.join(mixed) return mixed def _get_file_id(self, fileId, seed): mixed = self._get_file_ID_mix_string(seed) ids = fileId.split('*') realId = [] for ch in ids: if ch: realId.append(mixed[int(ch)]) return ''.join(realId) def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) video_id = mobj.group('id') info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id config = self._download_json(info_url, video_id) error_code = config['data'][0].get('error_code') if error_code: # -8 means blocked outside China. error = config['data'][0].get('error') # Chinese and English, separated by newline. raise ExtractorError(error or 'Server reported error %i' % error_code, expected=True) video_title = config['data'][0]['title'] seed = config['data'][0]['seed'] format = self._downloader.params.get('format', None) supported_format = list(config['data'][0]['streamfileids'].keys()) # TODO proper format selection if format is None or format == 'best': if 'hd2' in supported_format: format = 'hd2' else: format = 'flv' ext = 'flv' elif format == 'worst': format = 'mp4' ext = 'mp4' else: format = 'flv' ext = 'flv' fileid = config['data'][0]['streamfileids'][format] keys = [s['k'] for s in config['data'][0]['segs'][format]] # segs is usually a dictionary, but an empty *list* if an error occured. files_info = [] sid = self._gen_sid() fileid = self._get_file_id(fileid, seed) # column 8,9 of fileid represent the segment number # fileid[7:9] should be changed for index, key in enumerate(keys): temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:]) download_url = 'http://k.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key) info = { 'id': '%s_part%02d' % (video_id, index), 'url': download_url, 'uploader': None, 'upload_date': None, 'title': video_title, 'ext': ext, } files_info.append(info) return files_info