diff options
Diffstat (limited to 'youtube_dl/extractor/youku.py')
| -rw-r--r-- | youtube_dl/extractor/youku.py | 264 |
1 files changed, 170 insertions, 94 deletions
diff --git a/youtube_dl/extractor/youku.py b/youtube_dl/extractor/youku.py index 97b98bbe8..8d86c3f45 100644 --- a/youtube_dl/extractor/youku.py +++ b/youtube_dl/extractor/youku.py @@ -1,123 +1,199 @@ # coding: utf-8 - from __future__ import unicode_literals -import math -import random import re -import time +import base64 from .common import InfoExtractor -from ..utils import ( - ExtractorError, -) - +from ..utils import ExtractorError class YoukuIE(InfoExtractor): + IE_NAME = 'youku' _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' - } + 'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html', + 'md5': '5f3af4192eabacc4501508d54a8cabd7', + 'info_dict': { + 'id': 'XMTc1ODE5Njcy', + 'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.', + 'ext': 'flv' + } } - 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 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] + ord(s1[i%len(s1)])) % 256 + ls[i], ls[t] = ls[t], ls[i] + s, 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 += chr((s2[i] ^ ls[(ls[x]+ls[y]) % 256])) + return s + + sid, token = yk_t( + 'becaf9be', base64.b64decode(bytes(data2['ep'], '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( + 'bf7e5f01', + bytes('%s_%s_%s' % (sid, fileid, token), 'ascii')) + ep = base64.b64encode(bytes(ep_t, 'latin')).decode() + ep = ep.replace('+', '%2B') + ep = ep.replace('/', '%2F') + ep = ep.replace('=', '%2D') + 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'])) + 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) + '?' + \ + 'K=' + str(dt['k']) + \ + '&hd=' + self.get_hd(format) + \ + '&myp=0' + \ + '&ts=' + str(dt['seconds']) + \ + '&ypp=0&ctype=12&ev=1' + \ + '&token=' + str(token) + \ + '&oip=' + str(oip) + \ + '&ep=' + generate_ep(format, n) + 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 _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 + # request basic data + data1_url = 'http://v.youku.com/player/getPlayList/VideoIDS/%s' % video_id + data2_url = 'http://v.youku.com/player/getPlayList/VideoIDS/%s/Pf/4/ctype/12/ev/1' % video_id - config = self._download_json(info_url, video_id) + raw_data1 = self._download_json(data1_url, video_id) + raw_data2 = self._download_json(data2_url, video_id) + data1 = raw_data1['data'][0] + data2 = raw_data2['data'][0] - error_code = config['data'][0].get('error_code') + error_code = data1.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) - + # Chinese and English, separated by newline. + error = data1.get('error') + raise ExtractorError( + error or 'Server reported error %i' % + error_code, + expected=True) + + title = data1['title'] + + # generate video_urls_dict + video_urls_dict = self.construct_video_urls(data1, data2) + + # construct info + entries = [] + for fm in data1['streamtypes']: + #formats = [] + video_urls = video_urls_dict[fm] + for i in range(len(video_urls)): + if len(entries) < i+1: + entries.append({'formats': []}) + entries[i]['formats'].append( + { + 'url': video_urls[i], + 'format_id': fm, + 'ext': self.parse_ext_l(fm), + 'filesize': int(data1['segs'][fm][i]['size']) + } + ) + + for i in range(len(entries)): + entries[i].update( + { + 'id': '_part%d' % (i+1), + 'title': title, + } + ) + + if len(entries) > 1: info = { - 'id': '%s_part%02d' % (video_id, index), - 'url': download_url, - 'uploader': None, - 'upload_date': None, - 'title': video_title, - 'ext': ext, + '_type': 'multi_video', + 'id': video_id, + 'title': title, + 'entries': entries, } - files_info.append(info) + else: + info = entries[0] + info['id'] = video_id - return files_info + return info |