youtube_dl/extractor/letv.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import datetime
   5 import re
   6 import time
   7 import base64
   8
   9 from .common import InfoExtractor
  10 from ..compat import (
  11     compat_urllib_parse,
  12     compat_ord,
  13 )
  14 from ..utils import (
  15     determine_ext,
  16     ExtractorError,
  17     parse_iso8601,
  18     sanitized_Request,
  19     int_or_none,
  20     str_or_none,
  21     encode_data_uri,
  22 )
  23
  24
  25 class LetvIE(InfoExtractor):
  26     IE_DESC = '乐视网'
  27     _VALID_URL = r'http://www\.letv\.com/ptv/vplay/(?P<id>\d+).html'
  28
  29     _TESTS = [{
  30         'url': 'http://www.letv.com/ptv/vplay/22005890.html',
  31         'md5': 'edadcfe5406976f42f9f266057ee5e40',
  32         'info_dict': {
  33             'id': '22005890',
  34             'ext': 'mp4',
  35             'title': '第87届奥斯卡颁奖礼完美落幕 《鸟人》成最大赢家',
  36             'description': 'md5:a9cb175fd753e2962176b7beca21a47c',
  37         },
  38         'params': {
  39             'hls_prefer_native': True,
  40         },
  41     }, {
  42         'url': 'http://www.letv.com/ptv/vplay/1415246.html',
  43         'info_dict': {
  44             'id': '1415246',
  45             'ext': 'mp4',
  46             'title': '美人天下01',
  47             'description': 'md5:f88573d9d7225ada1359eaf0dbf8bcda',
  48         },
  49         'params': {
  50             'hls_prefer_native': True,
  51         },
  52     }, {
  53         'note': 'This video is available only in Mainland China, thus a proxy is needed',
  54         'url': 'http://www.letv.com/ptv/vplay/1118082.html',
  55         'md5': '2424c74948a62e5f31988438979c5ad1',
  56         'info_dict': {
  57             'id': '1118082',
  58             'ext': 'mp4',
  59             'title': '与龙共舞 完整版',
  60             'description': 'md5:7506a5eeb1722bb9d4068f85024e3986',
  61         },
  62         'params': {
  63             'hls_prefer_native': True,
  64         },
  65         'skip': 'Only available in China',
  66     }]
  67
  68     @staticmethod
  69     def urshift(val, n):
  70         return val >> n if val >= 0 else (val + 0x100000000) >> n
  71
  72     # ror() and calc_time_key() are reversed from a embedded swf file in KLetvPlayer.swf
  73     def ror(self, param1, param2):
  74         _loc3_ = 0
  75         while _loc3_ < param2:
  76             param1 = self.urshift(param1, 1) + ((param1 & 1) << 31)
  77             _loc3_ += 1
  78         return param1
  79
  80     def calc_time_key(self, param1):
  81         _loc2_ = 773625421
  82         _loc3_ = self.ror(param1, _loc2_ % 13)
  83         _loc3_ = _loc3_ ^ _loc2_
  84         _loc3_ = self.ror(_loc3_, _loc2_ % 17)
  85         return _loc3_
  86
  87     # see M3U8Encryption class in KLetvPlayer.swf
  88     @staticmethod
  89     def decrypt_m3u8(encrypted_data):
  90         if encrypted_data[:5].decode('utf-8').lower() != 'vc_01':
  91             return encrypted_data
  92         encrypted_data = encrypted_data[5:]
  93
  94         _loc4_ = bytearray()
  95         while encrypted_data:
  96             b = compat_ord(encrypted_data[0])
  97             _loc4_.extend([b // 16, b & 0x0f])
  98             encrypted_data = encrypted_data[1:]
  99         idx = len(_loc4_) - 11
 100         _loc4_ = _loc4_[idx:] + _loc4_[:idx]
 101         _loc7_ = bytearray()
 102         while _loc4_:
 103             _loc7_.append(_loc4_[0] * 16 + _loc4_[1])
 104             _loc4_ = _loc4_[2:]
 105
 106         return bytes(_loc7_)
 107
 108     def _real_extract(self, url):
 109         media_id = self._match_id(url)
 110         page = self._download_webpage(url, media_id)
 111         params = {
 112             'id': media_id,
 113             'platid': 1,
 114             'splatid': 101,
 115             'format': 1,
 116             'tkey': self.calc_time_key(int(time.time())),
 117             'domain': 'www.letv.com'
 118         }
 119         play_json_req = sanitized_Request(
 120             'http://api.letv.com/mms/out/video/playJson?' + compat_urllib_parse.urlencode(params)
 121         )
 122         cn_verification_proxy = self._downloader.params.get('cn_verification_proxy')
 123         if cn_verification_proxy:
 124             play_json_req.add_header('Ytdl-request-proxy', cn_verification_proxy)
 125
 126         play_json = self._download_json(
 127             play_json_req,
 128             media_id, 'Downloading playJson data')
 129
 130         # Check for errors
 131         playstatus = play_json['playstatus']
 132         if playstatus['status'] == 0:
 133             flag = playstatus['flag']
 134             if flag == 1:
 135                 msg = 'Country %s auth error' % playstatus['country']
 136             else:
 137                 msg = 'Generic error. flag = %d' % flag
 138             raise ExtractorError(msg, expected=True)
 139
 140         playurl = play_json['playurl']
 141
 142         formats = ['350', '1000', '1300', '720p', '1080p']
 143         dispatch = playurl['dispatch']
 144
 145         urls = []
 146         for format_id in formats:
 147             if format_id in dispatch:
 148                 media_url = playurl['domain'][0] + dispatch[format_id][0]
 149                 media_url += '&' + compat_urllib_parse.urlencode({
 150                     'm3v': 1,
 151                     'format': 1,
 152                     'expect': 3,
 153                     'rateid': format_id,
 154                 })
 155
 156                 nodes_data = self._download_json(
 157                     media_url, media_id,
 158                     'Download JSON metadata for format %s' % format_id)
 159
 160                 req = self._request_webpage(
 161                     nodes_data['nodelist'][0]['location'], media_id,
 162                     note='Downloading m3u8 information for format %s' % format_id)
 163
 164                 m3u8_data = self.decrypt_m3u8(req.read())
 165
 166                 url_info_dict = {
 167                     'url': encode_data_uri(m3u8_data, 'application/vnd.apple.mpegurl'),
 168                     'ext': determine_ext(dispatch[format_id][1]),
 169                     'format_id': format_id,
 170                     'protocol': 'm3u8',
 171                 }
 172
 173                 if format_id[-1:] == 'p':
 174                     url_info_dict['height'] = int_or_none(format_id[:-1])
 175
 176                 urls.append(url_info_dict)
 177
 178         publish_time = parse_iso8601(self._html_search_regex(
 179             r'发布时间&nbsp;([^<>]+) ', page, 'publish time', default=None),
 180             delimiter=' ', timezone=datetime.timedelta(hours=8))
 181         description = self._html_search_meta('description', page, fatal=False)
 182
 183         return {
 184             'id': media_id,
 185             'formats': urls,
 186             'title': playurl['title'],
 187             'thumbnail': playurl['pic'],
 188             'description': description,
 189             'timestamp': publish_time,
 190         }
 191
 192
 193 class LetvTvIE(InfoExtractor):
 194     _VALID_URL = r'http://www.letv.com/tv/(?P<id>\d+).html'
 195     _TESTS = [{
 196         'url': 'http://www.letv.com/tv/46177.html',
 197         'info_dict': {
 198             'id': '46177',
 199             'title': '美人天下',
 200             'description': 'md5:395666ff41b44080396e59570dbac01c'
 201         },
 202         'playlist_count': 35
 203     }]
 204
 205     def _real_extract(self, url):
 206         playlist_id = self._match_id(url)
 207         page = self._download_webpage(url, playlist_id)
 208
 209         media_urls = list(set(re.findall(
 210             r'http://www.letv.com/ptv/vplay/\d+.html', page)))
 211         entries = [self.url_result(media_url, ie='Letv')
 212                    for media_url in media_urls]
 213
 214         title = self._html_search_meta('keywords', page,
 215                                        fatal=False).split('，')[0]
 216         description = self._html_search_meta('description', page, fatal=False)
 217
 218         return self.playlist_result(entries, playlist_id, playlist_title=title,
 219                                     playlist_description=description)
 220
 221
 222 class LetvPlaylistIE(LetvTvIE):
 223     _VALID_URL = r'http://tv.letv.com/[a-z]+/(?P<id>[a-z]+)/index.s?html'
 224     _TESTS = [{
 225         'url': 'http://tv.letv.com/izt/wuzetian/index.html',
 226         'info_dict': {
 227             'id': 'wuzetian',
 228             'title': '武媚娘传奇',
 229             'description': 'md5:e12499475ab3d50219e5bba00b3cb248'
 230         },
 231         # This playlist contains some extra videos other than the drama itself
 232         'playlist_mincount': 96
 233     }, {
 234         'url': 'http://tv.letv.com/pzt/lswjzzjc/index.shtml',
 235         'info_dict': {
 236             'id': 'lswjzzjc',
 237             # The title should be "劲舞青春", but I can't find a simple way to
 238             # determine the playlist title
 239             'title': '乐视午间自制剧场',
 240             'description': 'md5:b1eef244f45589a7b5b1af9ff25a4489'
 241         },
 242         'playlist_mincount': 7
 243     }]
 244
 245
 246 class LetvCloudIE(InfoExtractor):
 247     IE_DESC = '乐视云'
 248     _VALID_URL = r'https?://yuntv\.letv\.com/bcloud.html\?.+'
 249
 250     _TESTS = [{
 251         'url': 'http://yuntv.letv.com/bcloud.html?uu=p7jnfw5hw9&vu=467623dedf',
 252         'md5': '26450599afd64c513bc77030ad15db44',
 253         'info_dict': {
 254             'id': 'p7jnfw5hw9_467623dedf',
 255             'ext': 'mp4',
 256             'title': 'Video p7jnfw5hw9_467623dedf',
 257         },
 258     }, {
 259         'url': 'http://yuntv.letv.com/bcloud.html?uu=p7jnfw5hw9&vu=ec93197892&pu=2c7cd40209&auto_play=1&gpcflag=1&width=640&height=360',
 260         'info_dict': {
 261             'id': 'p7jnfw5hw9_ec93197892',
 262             'ext': 'mp4',
 263             'title': 'Video p7jnfw5hw9_ec93197892',
 264         },
 265     }, {
 266         'url': 'http://yuntv.letv.com/bcloud.html?uu=p7jnfw5hw9&vu=187060b6fd',
 267         'info_dict': {
 268             'id': 'p7jnfw5hw9_187060b6fd',
 269             'ext': 'mp4',
 270             'title': 'Video p7jnfw5hw9_187060b6fd',
 271         },
 272     }]
 273
 274     def _real_extract(self, url):
 275         uu_mobj = re.search('uu=([\w]+)', url)
 276         vu_mobj = re.search('vu=([\w]+)', url)
 277
 278         if not uu_mobj or not vu_mobj:
 279             raise ExtractorError('Invalid URL: %s' % url, expected=True)
 280
 281         uu = uu_mobj.group(1)
 282         vu = vu_mobj.group(1)
 283         media_id = uu + '_' + vu
 284
 285         play_json_req = sanitized_Request(
 286             'http://api.letvcloud.com/gpc.php?cf=html5&sign=signxxxxx&ver=2.2&format=json&' +
 287             'uu=' + uu + '&vu=' + vu)
 288         play_json = self._download_json(play_json_req, media_id, 'Downloading playJson data')
 289
 290         if not play_json.get('data'):
 291             if play_json.get('message'):
 292                 raise ExtractorError('Letv cloud said: %s' % play_json['message'], expected=True)
 293             elif play_json.get('code'):
 294                 raise ExtractorError('Letv cloud returned error %d' % play_json['code'], expected=True)
 295             else:
 296                 raise ExtractorError('Letv cloud returned an unknwon error')
 297
 298         formats = []
 299         for media in play_json['data']['video_info']['media'].values():
 300             play_url = media['play_url']
 301             formats.append({
 302                 'url': base64.b64decode(play_url['main_url'].encode('utf-8')).decode('utf-8'),
 303                 'ext': 'mp4',
 304                 'format_id': int_or_none(play_url.get('vtype')),
 305                 'format_note': str_or_none(play_url.get('definition')),
 306                 'width': int_or_none(play_url.get('vwidth')),
 307                 'height': int_or_none(play_url.get('vheight')),
 308             })
 309         self._sort_formats(formats)
 310
 311         return {
 312             'id': media_id,
 313             'title': 'Video %s' % media_id,
 314             'formats': formats,
 315         }