Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/iqiyi.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import hashlib
   5 import itertools
   6 import re
   7 import time
   8
   9 from .common import InfoExtractor
  10 from ..compat import (
  11     compat_str,
  12     compat_urllib_parse_urlencode,
  13 )
  14 from ..utils import (
  15     clean_html,
  16     decode_packed_codes,
  17     get_element_by_id,
  18     get_element_by_attribute,
  19     ExtractorError,
  20     ohdave_rsa_encrypt,
  21     remove_start,
  22 )
  23
  24
  25 def md5_text(text):
  26     return hashlib.md5(text.encode('utf-8')).hexdigest()
  27
  28
  29 class IqiyiSDK(object):
  30     def __init__(self, target, ip, timestamp):
  31         self.target = target
  32         self.ip = ip
  33         self.timestamp = timestamp
  34
  35     @staticmethod
  36     def split_sum(data):
  37         return compat_str(sum(map(lambda p: int(p, 16), list(data))))
  38
  39     @staticmethod
  40     def digit_sum(num):
  41         if isinstance(num, int):
  42             num = compat_str(num)
  43         return compat_str(sum(map(int, num)))
  44
  45     def even_odd(self):
  46         even = self.digit_sum(compat_str(self.timestamp)[::2])
  47         odd = self.digit_sum(compat_str(self.timestamp)[1::2])
  48         return even, odd
  49
  50     def preprocess(self, chunksize):
  51         self.target = md5_text(self.target)
  52         chunks = []
  53         for i in range(32 // chunksize):
  54             chunks.append(self.target[chunksize * i:chunksize * (i + 1)])
  55         if 32 % chunksize:
  56             chunks.append(self.target[32 - 32 % chunksize:])
  57         return chunks, list(map(int, self.ip.split('.')))
  58
  59     def mod(self, modulus):
  60         chunks, ip = self.preprocess(32)
  61         self.target = chunks[0] + ''.join(map(lambda p: compat_str(p % modulus), ip))
  62
  63     def split(self, chunksize):
  64         modulus_map = {
  65             4: 256,
  66             5: 10,
  67             8: 100,
  68         }
  69
  70         chunks, ip = self.preprocess(chunksize)
  71         ret = ''
  72         for i in range(len(chunks)):
  73             ip_part = compat_str(ip[i] % modulus_map[chunksize]) if i < 4 else ''
  74             if chunksize == 8:
  75                 ret += ip_part + chunks[i]
  76             else:
  77                 ret += chunks[i] + ip_part
  78         self.target = ret
  79
  80     def handle_input16(self):
  81         self.target = md5_text(self.target)
  82         self.target = self.split_sum(self.target[:16]) + self.target + self.split_sum(self.target[16:])
  83
  84     def handle_input8(self):
  85         self.target = md5_text(self.target)
  86         ret = ''
  87         for i in range(4):
  88             part = self.target[8 * i:8 * (i + 1)]
  89             ret += self.split_sum(part) + part
  90         self.target = ret
  91
  92     def handleSum(self):
  93         self.target = md5_text(self.target)
  94         self.target = self.split_sum(self.target) + self.target
  95
  96     def date(self, scheme):
  97         self.target = md5_text(self.target)
  98         d = time.localtime(self.timestamp)
  99         strings = {
 100             'y': compat_str(d.tm_year),
 101             'm': '%02d' % d.tm_mon,
 102             'd': '%02d' % d.tm_mday,
 103         }
 104         self.target += ''.join(map(lambda c: strings[c], list(scheme)))
 105
 106     def split_time_even_odd(self):
 107         even, odd = self.even_odd()
 108         self.target = odd + md5_text(self.target) + even
 109
 110     def split_time_odd_even(self):
 111         even, odd = self.even_odd()
 112         self.target = even + md5_text(self.target) + odd
 113
 114     def split_ip_time_sum(self):
 115         chunks, ip = self.preprocess(32)
 116         self.target = compat_str(sum(ip)) + chunks[0] + self.digit_sum(self.timestamp)
 117
 118     def split_time_ip_sum(self):
 119         chunks, ip = self.preprocess(32)
 120         self.target = self.digit_sum(self.timestamp) + chunks[0] + compat_str(sum(ip))
 121
 122
 123 class IqiyiSDKInterpreter(object):
 124     def __init__(self, sdk_code):
 125         self.sdk_code = sdk_code
 126
 127     def run(self, target, ip, timestamp):
 128         self.sdk_code = decode_packed_codes(self.sdk_code)
 129
 130         functions = re.findall(r'input=([a-zA-Z0-9]+)\(input', self.sdk_code)
 131
 132         sdk = IqiyiSDK(target, ip, timestamp)
 133
 134         other_functions = {
 135             'handleSum': sdk.handleSum,
 136             'handleInput8': sdk.handle_input8,
 137             'handleInput16': sdk.handle_input16,
 138             'splitTimeEvenOdd': sdk.split_time_even_odd,
 139             'splitTimeOddEven': sdk.split_time_odd_even,
 140             'splitIpTimeSum': sdk.split_ip_time_sum,
 141             'splitTimeIpSum': sdk.split_time_ip_sum,
 142         }
 143         for function in functions:
 144             if re.match(r'mod\d+', function):
 145                 sdk.mod(int(function[3:]))
 146             elif re.match(r'date[ymd]{3}', function):
 147                 sdk.date(function[4:])
 148             elif re.match(r'split\d+', function):
 149                 sdk.split(int(function[5:]))
 150             elif function in other_functions:
 151                 other_functions[function]()
 152             else:
 153                 raise ExtractorError('Unknown funcion %s' % function)
 154
 155         return sdk.target
 156
 157
 158 class IqiyiIE(InfoExtractor):
 159     IE_NAME = 'iqiyi'
 160     IE_DESC = '爱奇艺'
 161
 162     _VALID_URL = r'https?://(?:(?:[^.]+\.)?iqiyi\.com|www\.pps\.tv)/.+\.html'
 163
 164     _NETRC_MACHINE = 'iqiyi'
 165
 166     _TESTS = [{
 167         'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
 168         # MD5 checksum differs on my machine and Travis CI
 169         'info_dict': {
 170             'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
 171             'ext': 'mp4',
 172             'title': '美国德州空中惊现奇异云团 酷似UFO',
 173         }
 174     }, {
 175         'url': 'http://www.iqiyi.com/v_19rrhnnclk.html',
 176         'md5': '667171934041350c5de3f5015f7f1152',
 177         'info_dict': {
 178             'id': 'e3f585b550a280af23c98b6cb2be19fb',
 179             'ext': 'mp4',
 180             'title': '名侦探柯南 国语版：第752集 迫近灰原秘密的黑影 下篇',
 181         },
 182         'skip': 'Geo-restricted to China',
 183     }, {
 184         'url': 'http://www.iqiyi.com/w_19rt6o8t9p.html',
 185         'only_matching': True,
 186     }, {
 187         'url': 'http://www.iqiyi.com/a_19rrhbc6kt.html',
 188         'only_matching': True,
 189     }, {
 190         'url': 'http://yule.iqiyi.com/pcb.html',
 191         'only_matching': True,
 192     }, {
 193         # VIP-only video. The first 2 parts (6 minutes) are available without login
 194         # MD5 sums omitted as values are different on Travis CI and my machine
 195         'url': 'http://www.iqiyi.com/v_19rrny4w8w.html',
 196         'info_dict': {
 197             'id': 'f3cf468b39dddb30d676f89a91200dc1',
 198             'ext': 'mp4',
 199             'title': '泰坦尼克号',
 200         },
 201         'skip': 'Geo-restricted to China',
 202     }, {
 203         'url': 'http://www.iqiyi.com/a_19rrhb8ce1.html',
 204         'info_dict': {
 205             'id': '202918101',
 206             'title': '灌篮高手 国语版',
 207         },
 208         'playlist_count': 101,
 209     }, {
 210         'url': 'http://www.pps.tv/w_19rrbav0ph.html',
 211         'only_matching': True,
 212     }]
 213
 214     _FORMATS_MAP = {
 215         '96': 1,    # 216p, 240p
 216         '1': 2,     # 336p, 360p
 217         '2': 3,     # 480p, 504p
 218         '21': 4,    # 504p
 219         '4': 5,     # 720p
 220         '17': 5,    # 720p
 221         '5': 6,     # 1072p, 1080p
 222         '18': 7,    # 1080p
 223     }
 224
 225     def _real_initialize(self):
 226         self._login()
 227
 228     @staticmethod
 229     def _rsa_fun(data):
 230         # public key extracted from http://static.iqiyi.com/js/qiyiV2/20160129180840/jobs/i18n/i18nIndex.js
 231         N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
 232         e = 65537
 233
 234         return ohdave_rsa_encrypt(data, e, N)
 235
 236     def _login(self):
 237         (username, password) = self._get_login_info()
 238
 239         # No authentication to be performed
 240         if not username:
 241             return True
 242
 243         data = self._download_json(
 244             'http://kylin.iqiyi.com/get_token', None,
 245             note='Get token for logging', errnote='Unable to get token for logging')
 246         sdk = data['sdk']
 247         timestamp = int(time.time())
 248         target = '/apis/reglogin/login.action?lang=zh_TW&area_code=null&email=%s&passwd=%s&agenttype=1&from=undefined&keeplogin=0&piccode=&fromurl=&_pos=1' % (
 249             username, self._rsa_fun(password.encode('utf-8')))
 250
 251         interp = IqiyiSDKInterpreter(sdk)
 252         sign = interp.run(target, data['ip'], timestamp)
 253
 254         validation_params = {
 255             'target': target,
 256             'server': 'BEA3AA1908656AABCCFF76582C4C6660',
 257             'token': data['token'],
 258             'bird_src': 'f8d91d57af224da7893dd397d52d811a',
 259             'sign': sign,
 260             'bird_t': timestamp,
 261         }
 262         validation_result = self._download_json(
 263             'http://kylin.iqiyi.com/validate?' + compat_urllib_parse_urlencode(validation_params), None,
 264             note='Validate credentials', errnote='Unable to validate credentials')
 265
 266         MSG_MAP = {
 267             'P00107': 'please login via the web interface and enter the CAPTCHA code',
 268             'P00117': 'bad username or password',
 269         }
 270
 271         code = validation_result['code']
 272         if code != 'A00000':
 273             msg = MSG_MAP.get(code)
 274             if not msg:
 275                 msg = 'error %s' % code
 276                 if validation_result.get('msg'):
 277                     msg += ': ' + validation_result['msg']
 278             self._downloader.report_warning('unable to log in: ' + msg)
 279             return False
 280
 281         return True
 282
 283     def get_raw_data(self, tvid, video_id):
 284         tm = int(time.time() * 1000)
 285
 286         key = 'd5fb4bd9d50c4be6948c97edd7254b0e'
 287         sc = md5_text(compat_str(tm) + key + tvid)
 288         params = {
 289             'tvid': tvid,
 290             'vid': video_id,
 291             'src': '76f90cbd92f94a2e925d83e8ccd22cb7',
 292             'sc': sc,
 293             't': tm,
 294         }
 295
 296         return self._download_json(
 297             'http://cache.m.iqiyi.com/jp/tmts/%s/%s/' % (tvid, video_id),
 298             video_id, transform_source=lambda s: remove_start(s, 'var tvInfoJs='),
 299             query=params, headers=self.geo_verification_headers())
 300
 301     def _extract_playlist(self, webpage):
 302         PAGE_SIZE = 50
 303
 304         links = re.findall(
 305             r'<a[^>]+class="site-piclist_pic_link"[^>]+href="(http://www\.iqiyi\.com/.+\.html)"',
 306             webpage)
 307         if not links:
 308             return
 309
 310         album_id = self._search_regex(
 311             r'albumId\s*:\s*(\d+),', webpage, 'album ID')
 312         album_title = self._search_regex(
 313             r'data-share-title="([^"]+)"', webpage, 'album title', fatal=False)
 314
 315         entries = list(map(self.url_result, links))
 316
 317         # Start from 2 because links in the first page are already on webpage
 318         for page_num in itertools.count(2):
 319             pagelist_page = self._download_webpage(
 320                 'http://cache.video.qiyi.com/jp/avlist/%s/%d/%d/' % (album_id, page_num, PAGE_SIZE),
 321                 album_id,
 322                 note='Download playlist page %d' % page_num,
 323                 errnote='Failed to download playlist page %d' % page_num)
 324             pagelist = self._parse_json(
 325                 remove_start(pagelist_page, 'var tvInfoJs='), album_id)
 326             vlist = pagelist['data']['vlist']
 327             for item in vlist:
 328                 entries.append(self.url_result(item['vurl']))
 329             if len(vlist) < PAGE_SIZE:
 330                 break
 331
 332         return self.playlist_result(entries, album_id, album_title)
 333
 334     def _real_extract(self, url):
 335         webpage = self._download_webpage(
 336             url, 'temp_id', note='download video page')
 337
 338         # There's no simple way to determine whether an URL is a playlist or not
 339         # So detect it
 340         playlist_result = self._extract_playlist(webpage)
 341         if playlist_result:
 342             return playlist_result
 343
 344         tvid = self._search_regex(
 345             r'data-player-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid')
 346         video_id = self._search_regex(
 347             r'data-player-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
 348
 349         formats = []
 350         for _ in range(5):
 351             raw_data = self.get_raw_data(tvid, video_id)
 352
 353             if raw_data['code'] != 'A00000':
 354                 if raw_data['code'] == 'A00111':
 355                     self.raise_geo_restricted()
 356                 raise ExtractorError('Unable to load data. Error code: ' + raw_data['code'])
 357
 358             data = raw_data['data']
 359
 360             for stream in data['vidl']:
 361                 if 'm3utx' not in stream:
 362                     continue
 363                 vd = compat_str(stream['vd'])
 364                 formats.append({
 365                     'url': stream['m3utx'],
 366                     'format_id': vd,
 367                     'ext': 'mp4',
 368                     'preference': self._FORMATS_MAP.get(vd, -1),
 369                     'protocol': 'm3u8_native',
 370                 })
 371
 372             if formats:
 373                 break
 374
 375             self._sleep(5, video_id)
 376
 377         self._sort_formats(formats)
 378         title = (get_element_by_id('widget-videotitle', webpage) or
 379                  clean_html(get_element_by_attribute('class', 'mod-play-tit', webpage)))
 380
 381         return {
 382             'id': video_id,
 383             'title': title,
 384             'formats': formats,
 385         }