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

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import hashlib
   5 import random
   6 import re
   7 import time
   8
   9 from .common import InfoExtractor
  10 from ..compat import compat_str
  11 from ..utils import (
  12     ExtractorError,
  13     int_or_none,
  14     parse_duration,
  15     try_get,
  16     urlencode_postdata,
  17 )
  18
  19
  20 class NexxIE(InfoExtractor):
  21     _VALID_URL = r'''(?x)
  22                         (?:
  23                             https?://api\.nexx(?:\.cloud|cdn\.com)/v3/(?P<domain_id>\d+)/videos/byid/|
  24                             nexx:(?:(?P<domain_id_s>\d+):)?|
  25                             https?://arc\.nexx\.cloud/api/video/
  26                         )
  27                         (?P<id>\d+)
  28                     '''
  29     _TESTS = [{
  30         # movie
  31         'url': 'https://api.nexx.cloud/v3/748/videos/byid/128907',
  32         'md5': '31899fd683de49ad46f4ee67e53e83fe',
  33         'info_dict': {
  34             'id': '128907',
  35             'ext': 'mp4',
  36             'title': 'Stiftung Warentest',
  37             'alt_title': 'Wie ein Test abläuft',
  38             'description': 'md5:d1ddb1ef63de721132abd38639cc2fd2',
  39             'creator': 'SPIEGEL TV',
  40             'thumbnail': r're:^https?://.*\.jpg$',
  41             'duration': 2509,
  42             'timestamp': 1384264416,
  43             'upload_date': '20131112',
  44         },
  45     }, {
  46         # episode
  47         'url': 'https://api.nexx.cloud/v3/741/videos/byid/247858',
  48         'info_dict': {
  49             'id': '247858',
  50             'ext': 'mp4',
  51             'title': 'Return of the Golden Child (OV)',
  52             'description': 'md5:5d969537509a92b733de21bae249dc63',
  53             'release_year': 2017,
  54             'thumbnail': r're:^https?://.*\.jpg$',
  55             'duration': 1397,
  56             'timestamp': 1495033267,
  57             'upload_date': '20170517',
  58             'episode_number': 2,
  59             'season_number': 2,
  60         },
  61         'params': {
  62             'skip_download': True,
  63         },
  64         'skip': 'HTTP Error 404: Not Found',
  65     }, {
  66         # does not work via arc
  67         'url': 'nexx:741:1269984',
  68         'md5': 'c714b5b238b2958dc8d5642addba6886',
  69         'info_dict': {
  70             'id': '1269984',
  71             'ext': 'mp4',
  72             'title': '1 TAG ohne KLO... wortwörtlich! 😑',
  73             'alt_title': '1 TAG ohne KLO... wortwörtlich! 😑',
  74             'thumbnail': r're:^https?://.*\.jpg$',
  75             'duration': 607,
  76             'timestamp': 1518614955,
  77             'upload_date': '20180214',
  78         },
  79     }, {
  80         # free cdn from http://www.spiegel.de/video/eifel-zoo-aufregung-um-ausgebrochene-raubtiere-video-99018031.html
  81         'url': 'nexx:747:1533779',
  82         'md5': '6bf6883912b82b7069fb86c2297e9893',
  83         'info_dict': {
  84             'id': '1533779',
  85             'ext': 'mp4',
  86             'title': 'Aufregung um ausgebrochene Raubtiere',
  87             'alt_title': 'Eifel-Zoo',
  88             'description': 'md5:f21375c91c74ad741dcb164c427999d2',
  89             'thumbnail': r're:^https?://.*\.jpg$',
  90             'duration': 111,
  91             'timestamp': 1527874460,
  92             'upload_date': '20180601',
  93         },
  94     }, {
  95         'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907',
  96         'only_matching': True,
  97     }, {
  98         'url': 'nexx:748:128907',
  99         'only_matching': True,
 100     }, {
 101         'url': 'nexx:128907',
 102         'only_matching': True,
 103     }, {
 104         'url': 'https://arc.nexx.cloud/api/video/128907.json',
 105         'only_matching': True,
 106     }]
 107
 108     @staticmethod
 109     def _extract_domain_id(webpage):
 110         mobj = re.search(
 111             r'<script\b[^>]+\bsrc=["\'](?:https?:)?//(?:require|arc)\.nexx(?:\.cloud|cdn\.com)/(?:sdk/)?(?P<id>\d+)',
 112             webpage)
 113         return mobj.group('id') if mobj else None
 114
 115     @staticmethod
 116     def _extract_urls(webpage):
 117         # Reference:
 118         # 1. https://nx-s.akamaized.net/files/201510/44.pdf
 119
 120         entries = []
 121
 122         # JavaScript Integration
 123         domain_id = NexxIE._extract_domain_id(webpage)
 124         if domain_id:
 125             for video_id in re.findall(
 126                     r'(?is)onPLAYReady.+?_play\.(?:init|(?:control\.)?addPlayer)\s*\(.+?\s*,\s*["\']?(\d+)',
 127                     webpage):
 128                 entries.append(
 129                     'https://api.nexx.cloud/v3/%s/videos/byid/%s'
 130                     % (domain_id, video_id))
 131
 132         # TODO: support more embed formats
 133
 134         return entries
 135
 136     @staticmethod
 137     def _extract_url(webpage):
 138         return NexxIE._extract_urls(webpage)[0]
 139
 140     def _handle_error(self, response):
 141         status = int_or_none(try_get(
 142             response, lambda x: x['metadata']['status']) or 200)
 143         if 200 <= status < 300:
 144             return
 145         raise ExtractorError(
 146             '%s said: %s' % (self.IE_NAME, response['metadata']['errorhint']),
 147             expected=True)
 148
 149     def _call_api(self, domain_id, path, video_id, data=None, headers={}):
 150         headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
 151         result = self._download_json(
 152             'https://api.nexx.cloud/v3/%s/%s' % (domain_id, path), video_id,
 153             'Downloading %s JSON' % path, data=urlencode_postdata(data),
 154             headers=headers)
 155         self._handle_error(result)
 156         return result['result']
 157
 158     def _extract_free_formats(self, video, video_id):
 159         stream_data = video['streamdata']
 160         cdn = stream_data['cdnType']
 161         assert cdn == 'free'
 162
 163         hash = video['general']['hash']
 164
 165         ps = compat_str(stream_data['originalDomain'])
 166         if stream_data['applyFolderHierarchy'] == 1:
 167             s = ('%04d' % int(video_id))[::-1]
 168             ps += '/%s/%s' % (s[0:2], s[2:4])
 169         ps += '/%s/%s_' % (video_id, hash)
 170
 171         t = 'http://%s' + ps
 172         fd = stream_data['azureFileDistribution'].split(',')
 173         cdn_provider = stream_data['cdnProvider']
 174
 175         def p0(p):
 176             return '_%s' % p if stream_data['applyAzureStructure'] == 1 else ''
 177
 178         formats = []
 179         if cdn_provider == 'ak':
 180             t += ','
 181             for i in fd:
 182                 p = i.split(':')
 183                 t += p[1] + p0(int(p[0])) + ','
 184             t += '.mp4.csmil/master.%s'
 185         elif cdn_provider == 'ce':
 186             k = t.split('/')
 187             h = k.pop()
 188             http_base = t = '/'.join(k)
 189             http_base = http_base % stream_data['cdnPathHTTP']
 190             t += '/asset.ism/manifest.%s?dcp_ver=aos4&videostream='
 191             for i in fd:
 192                 p = i.split(':')
 193                 tbr = int(p[0])
 194                 filename = '%s%s%s.mp4' % (h, p[1], p0(tbr))
 195                 f = {
 196                     'url': http_base + '/' + filename,
 197                     'format_id': '%s-http-%d' % (cdn, tbr),
 198                     'tbr': tbr,
 199                 }
 200                 width_height = p[1].split('x')
 201                 if len(width_height) == 2:
 202                     f.update({
 203                         'width': int_or_none(width_height[0]),
 204                         'height': int_or_none(width_height[1]),
 205                     })
 206                 formats.append(f)
 207                 a = filename + ':%s' % (tbr * 1000)
 208                 t += a + ','
 209             t = t[:-1] + '&audiostream=' + a.split(':')[0]
 210         else:
 211             assert False
 212
 213         if cdn_provider == 'ce':
 214             formats.extend(self._extract_mpd_formats(
 215                 t % (stream_data['cdnPathDASH'], 'mpd'), video_id,
 216                 mpd_id='%s-dash' % cdn, fatal=False))
 217         formats.extend(self._extract_m3u8_formats(
 218             t % (stream_data['cdnPathHLS'], 'm3u8'), video_id, 'mp4',
 219             entry_protocol='m3u8_native', m3u8_id='%s-hls' % cdn, fatal=False))
 220
 221         return formats
 222
 223     def _extract_azure_formats(self, video, video_id):
 224         stream_data = video['streamdata']
 225         cdn = stream_data['cdnType']
 226         assert cdn == 'azure'
 227
 228         azure_locator = stream_data['azureLocator']
 229
 230         def get_cdn_shield_base(shield_type='', static=False):
 231             for secure in ('', 's'):
 232                 cdn_shield = stream_data.get('cdnShield%sHTTP%s' % (shield_type, secure.upper()))
 233                 if cdn_shield:
 234                     return 'http%s://%s' % (secure, cdn_shield)
 235             else:
 236                 if 'fb' in stream_data['azureAccount']:
 237                     prefix = 'df' if static else 'f'
 238                 else:
 239                     prefix = 'd' if static else 'p'
 240                 account = int(stream_data['azureAccount'].replace('nexxplayplus', '').replace('nexxplayfb', ''))
 241                 return 'http://nx-%s%02d.akamaized.net/' % (prefix, account)
 242
 243         language = video['general'].get('language_raw') or ''
 244
 245         azure_stream_base = get_cdn_shield_base()
 246         is_ml = ',' in language
 247         azure_manifest_url = '%s%s/%s_src%s.ism/Manifest' % (
 248             azure_stream_base, azure_locator, video_id, ('_manifest' if is_ml else '')) + '%s'
 249
 250         protection_token = try_get(
 251             video, lambda x: x['protectiondata']['token'], compat_str)
 252         if protection_token:
 253             azure_manifest_url += '?hdnts=%s' % protection_token
 254
 255         formats = self._extract_m3u8_formats(
 256             azure_manifest_url % '(format=m3u8-aapl)',
 257             video_id, 'mp4', 'm3u8_native',
 258             m3u8_id='%s-hls' % cdn, fatal=False)
 259         formats.extend(self._extract_mpd_formats(
 260             azure_manifest_url % '(format=mpd-time-csf)',
 261             video_id, mpd_id='%s-dash' % cdn, fatal=False))
 262         formats.extend(self._extract_ism_formats(
 263             azure_manifest_url % '', video_id, ism_id='%s-mss' % cdn, fatal=False))
 264
 265         azure_progressive_base = get_cdn_shield_base('Prog', True)
 266         azure_file_distribution = stream_data.get('azureFileDistribution')
 267         if azure_file_distribution:
 268             fds = azure_file_distribution.split(',')
 269             if fds:
 270                 for fd in fds:
 271                     ss = fd.split(':')
 272                     if len(ss) == 2:
 273                         tbr = int_or_none(ss[0])
 274                         if tbr:
 275                             f = {
 276                                 'url': '%s%s/%s_src_%s_%d.mp4' % (
 277                                     azure_progressive_base, azure_locator, video_id, ss[1], tbr),
 278                                 'format_id': '%s-http-%d' % (cdn, tbr),
 279                                 'tbr': tbr,
 280                             }
 281                             width_height = ss[1].split('x')
 282                             if len(width_height) == 2:
 283                                 f.update({
 284                                     'width': int_or_none(width_height[0]),
 285                                     'height': int_or_none(width_height[1]),
 286                                 })
 287                             formats.append(f)
 288
 289         return formats
 290
 291     def _real_extract(self, url):
 292         mobj = re.match(self._VALID_URL, url)
 293         domain_id = mobj.group('domain_id') or mobj.group('domain_id_s')
 294         video_id = mobj.group('id')
 295
 296         video = None
 297
 298         def find_video(result):
 299             if isinstance(result, dict):
 300                 return result
 301             elif isinstance(result, list):
 302                 vid = int(video_id)
 303                 for v in result:
 304                     if try_get(v, lambda x: x['general']['ID'], int) == vid:
 305                         return v
 306             return None
 307
 308         response = self._download_json(
 309             'https://arc.nexx.cloud/api/video/%s.json' % video_id,
 310             video_id, fatal=False)
 311         if response and isinstance(response, dict):
 312             result = response.get('result')
 313             if result:
 314                 video = find_video(result)
 315
 316         # not all videos work via arc, e.g. nexx:741:1269984
 317         if not video:
 318             # Reverse engineered from JS code (see getDeviceID function)
 319             device_id = '%d:%d:%d%d' % (
 320                 random.randint(1, 4), int(time.time()),
 321                 random.randint(1e4, 99999), random.randint(1, 9))
 322
 323             result = self._call_api(domain_id, 'session/init', video_id, data={
 324                 'nxp_devh': device_id,
 325                 'nxp_userh': '',
 326                 'precid': '0',
 327                 'playlicense': '0',
 328                 'screenx': '1920',
 329                 'screeny': '1080',
 330                 'playerversion': '6.0.00',
 331                 'gateway': 'html5',
 332                 'adGateway': '',
 333                 'explicitlanguage': 'en-US',
 334                 'addTextTemplates': '1',
 335                 'addDomainData': '1',
 336                 'addAdModel': '1',
 337             }, headers={
 338                 'X-Request-Enable-Auth-Fallback': '1',
 339             })
 340
 341             cid = result['general']['cid']
 342
 343             # As described in [1] X-Request-Token generation algorithm is
 344             # as follows:
 345             #   md5( operation + domain_id + domain_secret )
 346             # where domain_secret is a static value that will be given by nexx.tv
 347             # as per [1]. Here is how this "secret" is generated (reversed
 348             # from _play.api.init function, search for clienttoken). So it's
 349             # actually not static and not that much of a secret.
 350             # 1. https://nexxtvstorage.blob.core.windows.net/files/201610/27.pdf
 351             secret = result['device']['clienttoken'][int(device_id[0]):]
 352             secret = secret[0:len(secret) - int(device_id[-1])]
 353
 354             op = 'byid'
 355
 356             # Reversed from JS code for _play.api.call function (search for
 357             # X-Request-Token)
 358             request_token = hashlib.md5(
 359                 ''.join((op, domain_id, secret)).encode('utf-8')).hexdigest()
 360
 361             result = self._call_api(
 362                 domain_id, 'videos/%s/%s' % (op, video_id), video_id, data={
 363                     'additionalfields': 'language,channel,actors,studio,licenseby,slug,subtitle,teaser,description',
 364                     'addInteractionOptions': '1',
 365                     'addStatusDetails': '1',
 366                     'addStreamDetails': '1',
 367                     'addCaptions': '1',
 368                     'addScenes': '1',
 369                     'addHotSpots': '1',
 370                     'addBumpers': '1',
 371                     'captionFormat': 'data',
 372                 }, headers={
 373                     'X-Request-CID': cid,
 374                     'X-Request-Token': request_token,
 375                 })
 376             video = find_video(result)
 377
 378         general = video['general']
 379         title = general['title']
 380
 381         cdn = video['streamdata']['cdnType']
 382
 383         if cdn == 'azure':
 384             formats = self._extract_azure_formats(video, video_id)
 385         elif cdn == 'free':
 386             formats = self._extract_free_formats(video, video_id)
 387         else:
 388             # TODO: reverse more cdns
 389             assert False
 390
 391         self._sort_formats(formats)
 392
 393         return {
 394             'id': video_id,
 395             'title': title,
 396             'alt_title': general.get('subtitle'),
 397             'description': general.get('description'),
 398             'release_year': int_or_none(general.get('year')),
 399             'creator': general.get('studio') or general.get('studio_adref'),
 400             'thumbnail': try_get(
 401                 video, lambda x: x['imagedata']['thumb'], compat_str),
 402             'duration': parse_duration(general.get('runtime')),
 403             'timestamp': int_or_none(general.get('uploaded')),
 404             'episode_number': int_or_none(try_get(
 405                 video, lambda x: x['episodedata']['episode'])),
 406             'season_number': int_or_none(try_get(
 407                 video, lambda x: x['episodedata']['season'])),
 408             'formats': formats,
 409         }
 410
 411
 412 class NexxEmbedIE(InfoExtractor):
 413     _VALID_URL = r'https?://embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?:video/)?(?P<id>[^/?#&]+)'
 414     _TESTS = [{
 415         'url': 'http://embed.nexx.cloud/748/KC1614647Z27Y7T?autoplay=1',
 416         'md5': '16746bfc28c42049492385c989b26c4a',
 417         'info_dict': {
 418             'id': '161464',
 419             'ext': 'mp4',
 420             'title': 'Nervenkitzel Achterbahn',
 421             'alt_title': 'Karussellbauer in Deutschland',
 422             'description': 'md5:ffe7b1cc59a01f585e0569949aef73cc',
 423             'creator': 'SPIEGEL TV',
 424             'thumbnail': r're:^https?://.*\.jpg$',
 425             'duration': 2761,
 426             'timestamp': 1394021479,
 427             'upload_date': '20140305',
 428         },
 429         'params': {
 430             'format': 'bestvideo',
 431             'skip_download': True,
 432         },
 433     }, {
 434         'url': 'https://embed.nexx.cloud/11888/video/DSRTO7UVOX06S7',
 435         'only_matching': True,
 436     }]
 437
 438     @staticmethod
 439     def _extract_urls(webpage):
 440         # Reference:
 441         # 1. https://nx-s.akamaized.net/files/201510/44.pdf
 442
 443         # iFrame Embed Integration
 444         return [mobj.group('url') for mobj in re.finditer(
 445             r'<iframe[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?:(?!\1).)+)\1',
 446             webpage)]
 447
 448     def _real_extract(self, url):
 449         embed_id = self._match_id(url)
 450
 451         webpage = self._download_webpage(url, embed_id)
 452
 453         return self.url_result(NexxIE._extract_url(webpage), ie=NexxIE.ie_key())