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': 'b7dc800a4004b1b57749d9abae0472da',
 177         'info_dict': {
 178             'id': 'e3f585b550a280af23c98b6cb2be19fb',
 179             'ext': 'mp4',
 180             # This can be either Simplified Chinese or Traditional Chinese
 181             'title': r're:^(?:名侦探柯南 国语版：第752集 迫近灰原秘密的黑影 下篇|名偵探柯南 國語版：第752集 迫近灰原秘密的黑影 下篇)$',
 182         },
 183         'skip': 'Geo-restricted to China',
 184     }, {
 185         'url': 'http://www.iqiyi.com/w_19rt6o8t9p.html',
 186         'only_matching': True,
 187     }, {
 188         'url': 'http://www.iqiyi.com/a_19rrhbc6kt.html',
 189         'only_matching': True,
 190     }, {
 191         'url': 'http://yule.iqiyi.com/pcb.html',
 192         'info_dict': {
 193             'id': '4a0af228fddb55ec96398a364248ed7f',
 194             'ext': 'mp4',
 195             'title': '第2017-04-21期 女艺人频遭极端粉丝骚扰',
 196         },
 197     }, {
 198         # VIP-only video. The first 2 parts (6 minutes) are available without login
 199         # MD5 sums omitted as values are different on Travis CI and my machine
 200         'url': 'http://www.iqiyi.com/v_19rrny4w8w.html',
 201         'info_dict': {
 202             'id': 'f3cf468b39dddb30d676f89a91200dc1',
 203             'ext': 'mp4',
 204             'title': '泰坦尼克号',
 205         },
 206         'skip': 'Geo-restricted to China',
 207     }, {
 208         'url': 'http://www.iqiyi.com/a_19rrhb8ce1.html',
 209         'info_dict': {
 210             'id': '202918101',
 211             'title': '灌篮高手 国语版',
 212         },
 213         'playlist_count': 101,
 214     }, {
 215         'url': 'http://www.pps.tv/w_19rrbav0ph.html',
 216         'only_matching': True,
 217     }]
 218
 219     _FORMATS_MAP = {
 220         '96': 1,    # 216p, 240p
 221         '1': 2,     # 336p, 360p
 222         '2': 3,     # 480p, 504p
 223         '21': 4,    # 504p
 224         '4': 5,     # 720p
 225         '17': 5,    # 720p
 226         '5': 6,     # 1072p, 1080p
 227         '18': 7,    # 1080p
 228     }
 229
 230     def _real_initialize(self):
 231         self._login()
 232
 233     @staticmethod
 234     def _rsa_fun(data):
 235         # public key extracted from http://static.iqiyi.com/js/qiyiV2/20160129180840/jobs/i18n/i18nIndex.js
 236         N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
 237         e = 65537
 238
 239         return ohdave_rsa_encrypt(data, e, N)
 240
 241     def _login(self):
 242         (username, password) = self._get_login_info()
 243
 244         # No authentication to be performed
 245         if not username:
 246             return True
 247
 248         data = self._download_json(
 249             'http://kylin.iqiyi.com/get_token', None,
 250             note='Get token for logging', errnote='Unable to get token for logging')
 251         sdk = data['sdk']
 252         timestamp = int(time.time())
 253         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' % (
 254             username, self._rsa_fun(password.encode('utf-8')))
 255
 256         interp = IqiyiSDKInterpreter(sdk)
 257         sign = interp.run(target, data['ip'], timestamp)
 258
 259         validation_params = {
 260             'target': target,
 261             'server': 'BEA3AA1908656AABCCFF76582C4C6660',
 262             'token': data['token'],
 263             'bird_src': 'f8d91d57af224da7893dd397d52d811a',
 264             'sign': sign,
 265             'bird_t': timestamp,
 266         }
 267         validation_result = self._download_json(
 268             'http://kylin.iqiyi.com/validate?' + compat_urllib_parse_urlencode(validation_params), None,
 269             note='Validate credentials', errnote='Unable to validate credentials')
 270
 271         MSG_MAP = {
 272             'P00107': 'please login via the web interface and enter the CAPTCHA code',
 273             'P00117': 'bad username or password',
 274         }
 275
 276         code = validation_result['code']
 277         if code != 'A00000':
 278             msg = MSG_MAP.get(code)
 279             if not msg:
 280                 msg = 'error %s' % code
 281                 if validation_result.get('msg'):
 282                     msg += ': ' + validation_result['msg']
 283             self._downloader.report_warning('unable to log in: ' + msg)
 284             return False
 285
 286         return True
 287
 288     def get_raw_data(self, tvid, video_id):
 289         tm = int(time.time() * 1000)
 290
 291         key = 'd5fb4bd9d50c4be6948c97edd7254b0e'
 292         sc = md5_text(compat_str(tm) + key + tvid)
 293         params = {
 294             'tvid': tvid,
 295             'vid': video_id,
 296             'src': '76f90cbd92f94a2e925d83e8ccd22cb7',
 297             'sc': sc,
 298             't': tm,
 299         }
 300
 301         return self._download_json(
 302             'http://cache.m.iqiyi.com/jp/tmts/%s/%s/' % (tvid, video_id),
 303             video_id, transform_source=lambda s: remove_start(s, 'var tvInfoJs='),
 304             query=params, headers=self.geo_verification_headers())
 305
 306     def _extract_playlist(self, webpage):
 307         PAGE_SIZE = 50
 308
 309         links = re.findall(
 310             r'<a[^>]+class="site-piclist_pic_link"[^>]+href="(http://www\.iqiyi\.com/.+\.html)"',
 311             webpage)
 312         if not links:
 313             return
 314
 315         album_id = self._search_regex(
 316             r'albumId\s*:\s*(\d+),', webpage, 'album ID')
 317         album_title = self._search_regex(
 318             r'data-share-title="([^"]+)"', webpage, 'album title', fatal=False)
 319
 320         entries = list(map(self.url_result, links))
 321
 322         # Start from 2 because links in the first page are already on webpage
 323         for page_num in itertools.count(2):
 324             pagelist_page = self._download_webpage(
 325                 'http://cache.video.qiyi.com/jp/avlist/%s/%d/%d/' % (album_id, page_num, PAGE_SIZE),
 326                 album_id,
 327                 note='Download playlist page %d' % page_num,
 328                 errnote='Failed to download playlist page %d' % page_num)
 329             pagelist = self._parse_json(
 330                 remove_start(pagelist_page, 'var tvInfoJs='), album_id)
 331             vlist = pagelist['data']['vlist']
 332             for item in vlist:
 333                 entries.append(self.url_result(item['vurl']))
 334             if len(vlist) < PAGE_SIZE:
 335                 break
 336
 337         return self.playlist_result(entries, album_id, album_title)
 338
 339     def _real_extract(self, url):
 340         webpage = self._download_webpage(
 341             url, 'temp_id', note='download video page')
 342
 343         # There's no simple way to determine whether an URL is a playlist or not
 344         # Sometimes there are playlist links in individual videos, so treat it
 345         # as a single video first
 346         tvid = self._search_regex(
 347             r'data-(?:player|shareplattrigger)-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid', default=None)
 348         if tvid is None:
 349             playlist_result = self._extract_playlist(webpage)
 350             if playlist_result:
 351                 return playlist_result
 352             raise ExtractorError('Can\'t find any video')
 353
 354         video_id = self._search_regex(
 355             r'data-(?:player|shareplattrigger)-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
 356
 357         formats = []
 358         for _ in range(5):
 359             raw_data = self.get_raw_data(tvid, video_id)
 360
 361             if raw_data['code'] != 'A00000':
 362                 if raw_data['code'] == 'A00111':
 363                     self.raise_geo_restricted()
 364                 raise ExtractorError('Unable to load data. Error code: ' + raw_data['code'])
 365
 366             data = raw_data['data']
 367
 368             for stream in data['vidl']:
 369                 if 'm3utx' not in stream:
 370                     continue
 371                 vd = compat_str(stream['vd'])
 372                 formats.append({
 373                     'url': stream['m3utx'],
 374                     'format_id': vd,
 375                     'ext': 'mp4',
 376                     'preference': self._FORMATS_MAP.get(vd, -1),
 377                     'protocol': 'm3u8_native',
 378                 })
 379
 380             if formats:
 381                 break
 382
 383             self._sleep(5, video_id)
 384
 385         self._sort_formats(formats)
 386         title = (get_element_by_id('widget-videotitle', webpage) or
 387                  clean_html(get_element_by_attribute('class', 'mod-play-tit', webpage)) or
 388                  self._html_search_regex(r'<span[^>]+data-videochanged-title="word"[^>]*>([^<]+)</span>', webpage, 'title'))
 389
 390         return {
 391             'id': video_id,
 392             'title': title,
 393             'formats': formats,
 394         }