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                         )
  26                         (?P<id>\d+)
  27                     '''
  28     _TESTS = [{
  29         # movie
  30         'url': 'https://api.nexx.cloud/v3/748/videos/byid/128907',
  31         'md5': '16746bfc28c42049492385c989b26c4a',
  32         'info_dict': {
  33             'id': '128907',
  34             'ext': 'mp4',
  35             'title': 'Stiftung Warentest',
  36             'alt_title': 'Wie ein Test abläuft',
  37             'description': 'md5:d1ddb1ef63de721132abd38639cc2fd2',
  38             'release_year': 2013,
  39             'creator': 'SPIEGEL TV',
  40             'thumbnail': r're:^https?://.*\.jpg$',
  41             'duration': 2509,
  42             'timestamp': 1384264416,
  43             'upload_date': '20131112',
  44         },
  45         'params': {
  46             'format': 'bestvideo',
  47         },
  48     }, {
  49         # episode
  50         'url': 'https://api.nexx.cloud/v3/741/videos/byid/247858',
  51         'info_dict': {
  52             'id': '247858',
  53             'ext': 'mp4',
  54             'title': 'Return of the Golden Child (OV)',
  55             'description': 'md5:5d969537509a92b733de21bae249dc63',
  56             'release_year': 2017,
  57             'thumbnail': r're:^https?://.*\.jpg$',
  58             'duration': 1397,
  59             'timestamp': 1495033267,
  60             'upload_date': '20170517',
  61             'episode_number': 2,
  62             'season_number': 2,
  63         },
  64         'params': {
  65             'format': 'bestvideo',
  66             'skip_download': True,
  67         },
  68     }, {
  69         'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907',
  70         'only_matching': True,
  71     }, {
  72         'url': 'nexx:748:128907',
  73         'only_matching': True,
  74     }]
  75
  76     @staticmethod
  77     def _extract_domain_id(webpage):
  78         mobj = re.search(
  79             r'<script\b[^>]+\bsrc=["\'](?:https?:)?//require\.nexx(?:\.cloud|cdn\.com)/(?P<id>\d+)',
  80             webpage)
  81         return mobj.group('id') if mobj else None
  82
  83     @staticmethod
  84     def _extract_urls(webpage):
  85         # Reference:
  86         # 1. https://nx-s.akamaized.net/files/201510/44.pdf
  87
  88         entries = []
  89
  90         # JavaScript Integration
  91         domain_id = NexxIE._extract_domain_id(webpage)
  92         if domain_id:
  93             for video_id in re.findall(
  94                     r'(?is)onPLAYReady.+?_play\.init\s*\(.+?\s*,\s*["\']?(\d+)',
  95                     webpage):
  96                 entries.append(
  97                     'https://api.nexx.cloud/v3/%s/videos/byid/%s'
  98                     % (domain_id, video_id))
  99
 100         # TODO: support more embed formats
 101
 102         return entries
 103
 104     @staticmethod
 105     def _extract_url(webpage):
 106         return NexxIE._extract_urls(webpage)[0]
 107
 108     def _handle_error(self, response):
 109         status = int_or_none(try_get(
 110             response, lambda x: x['metadata']['status']) or 200)
 111         if 200 <= status < 300:
 112             return
 113         raise ExtractorError(
 114             '%s said: %s' % (self.IE_NAME, response['metadata']['errorhint']),
 115             expected=True)
 116
 117     def _call_api(self, domain_id, path, video_id, data=None, headers={}):
 118         headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
 119         result = self._download_json(
 120             'https://api.nexx.cloud/v3/%s/%s' % (domain_id, path), video_id,
 121             'Downloading %s JSON' % path, data=urlencode_postdata(data),
 122             headers=headers)
 123         self._handle_error(result)
 124         return result['result']
 125
 126     def _real_extract(self, url):
 127         mobj = re.match(self._VALID_URL, url)
 128         domain_id = mobj.group('domain_id') or mobj.group('domain_id_s')
 129         video_id = mobj.group('id')
 130
 131         # Reverse engineered from JS code (see getDeviceID function)
 132         device_id = '%d:%d:%d%d' % (
 133             random.randint(1, 4), int(time.time()),
 134             random.randint(1e4, 99999), random.randint(1, 9))
 135
 136         result = self._call_api(domain_id, 'session/init', video_id, data={
 137             'nxp_devh': device_id,
 138             'nxp_userh': '',
 139             'precid': '0',
 140             'playlicense': '0',
 141             'screenx': '1920',
 142             'screeny': '1080',
 143             'playerversion': '6.0.00',
 144             'gateway': 'html5',
 145             'adGateway': '',
 146             'explicitlanguage': 'en-US',
 147             'addTextTemplates': '1',
 148             'addDomainData': '1',
 149             'addAdModel': '1',
 150         }, headers={
 151             'X-Request-Enable-Auth-Fallback': '1',
 152         })
 153
 154         cid = result['general']['cid']
 155
 156         # As described in [1] X-Request-Token generation algorithm is
 157         # as follows:
 158         #   md5( operation + domain_id + domain_secret )
 159         # where domain_secret is a static value that will be given by nexx.tv
 160         # as per [1]. Here is how this "secret" is generated (reversed
 161         # from _play.api.init function, search for clienttoken). So it's
 162         # actually not static and not that much of a secret.
 163         # 1. https://nexxtvstorage.blob.core.windows.net/files/201610/27.pdf
 164         secret = result['device']['clienttoken'][int(device_id[0]):]
 165         secret = secret[0:len(secret) - int(device_id[-1])]
 166
 167         op = 'byid'
 168
 169         # Reversed from JS code for _play.api.call function (search for
 170         # X-Request-Token)
 171         request_token = hashlib.md5(
 172             ''.join((op, domain_id, secret)).encode('utf-8')).hexdigest()
 173
 174         video = self._call_api(
 175             domain_id, 'videos/%s/%s' % (op, video_id), video_id, data={
 176                 'additionalfields': 'language,channel,actors,studio,licenseby,slug,subtitle,teaser,description',
 177                 'addInteractionOptions': '1',
 178                 'addStatusDetails': '1',
 179                 'addStreamDetails': '1',
 180                 'addCaptions': '1',
 181                 'addScenes': '1',
 182                 'addHotSpots': '1',
 183                 'addBumpers': '1',
 184                 'captionFormat': 'data',
 185             }, headers={
 186                 'X-Request-CID': cid,
 187                 'X-Request-Token': request_token,
 188             })
 189
 190         general = video['general']
 191         title = general['title']
 192
 193         stream_data = video['streamdata']
 194         language = general.get('language_raw') or ''
 195
 196         # TODO: reverse more cdns and formats
 197
 198         cdn = stream_data['cdnType']
 199         assert cdn == 'azure'
 200
 201         azure_locator = stream_data['azureLocator']
 202
 203         AZURE_URL = 'http://nx-p%02d.akamaized.net/'
 204
 205         for secure in ('s', ''):
 206             cdn_shield = stream_data.get('cdnShieldHTTP%s' % secure.upper())
 207             if cdn_shield:
 208                 azure_base = 'http%s://%s' % (secure, cdn_shield)
 209                 break
 210         else:
 211             azure_base = AZURE_URL % int(stream_data['azureAccount'].replace('nexxplayplus', ''))
 212
 213         is_ml = ',' in language
 214         azure_m3u8_url = '%s%s/%s_src%s.ism/Manifest(format=m3u8-aapl)' % (
 215             azure_base, azure_locator, video_id, ('_manifest' if is_ml else ''))
 216
 217         protection_token = try_get(
 218             video, lambda x: x['protectiondata']['token'], compat_str)
 219         if protection_token:
 220             azure_m3u8_url += '?hdnts=%s' % protection_token
 221
 222         formats = self._extract_m3u8_formats(
 223             azure_m3u8_url, video_id, 'mp4', entry_protocol='m3u8_native',
 224             m3u8_id='%s-hls' % cdn)
 225         self._sort_formats(formats)
 226
 227         return {
 228             'id': video_id,
 229             'title': title,
 230             'alt_title': general.get('subtitle'),
 231             'description': general.get('description'),
 232             'release_year': int_or_none(general.get('year')),
 233             'creator': general.get('studio') or general.get('studio_adref'),
 234             'thumbnail': try_get(
 235                 video, lambda x: x['imagedata']['thumb'], compat_str),
 236             'duration': parse_duration(general.get('runtime')),
 237             'timestamp': int_or_none(general.get('uploaded')),
 238             'episode_number': int_or_none(try_get(
 239                 video, lambda x: x['episodedata']['episode'])),
 240             'season_number': int_or_none(try_get(
 241                 video, lambda x: x['episodedata']['season'])),
 242             'formats': formats,
 243         }
 244
 245
 246 class NexxEmbedIE(InfoExtractor):
 247     _VALID_URL = r'https?://embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?P<id>[^/?#&]+)'
 248     _TEST = {
 249         'url': 'http://embed.nexx.cloud/748/KC1614647Z27Y7T?autoplay=1',
 250         'md5': '16746bfc28c42049492385c989b26c4a',
 251         'info_dict': {
 252             'id': '161464',
 253             'ext': 'mp4',
 254             'title': 'Nervenkitzel Achterbahn',
 255             'alt_title': 'Karussellbauer in Deutschland',
 256             'description': 'md5:ffe7b1cc59a01f585e0569949aef73cc',
 257             'release_year': 2005,
 258             'creator': 'SPIEGEL TV',
 259             'thumbnail': r're:^https?://.*\.jpg$',
 260             'duration': 2761,
 261             'timestamp': 1394021479,
 262             'upload_date': '20140305',
 263         },
 264         'params': {
 265             'format': 'bestvideo',
 266             'skip_download': True,
 267         },
 268     }
 269
 270     @staticmethod
 271     def _extract_urls(webpage):
 272         # Reference:
 273         # 1. https://nx-s.akamaized.net/files/201510/44.pdf
 274
 275         # iFrame Embed Integration
 276         return [mobj.group('url') for mobj in re.finditer(
 277             r'<iframe[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?:(?!\1).)+)\1',
 278             webpage)]
 279
 280     def _real_extract(self, url):
 281         embed_id = self._match_id(url)
 282
 283         webpage = self._download_webpage(url, embed_id)
 284
 285         return self.url_result(NexxIE._extract_url(webpage), ie=NexxIE.ie_key())