_ Git - youtube-dl/blob - youtube_dl/extractor/mixcloud.py

   1 from __future__ import unicode_literals
   2
   3 import base64
   4 import functools
   5 import itertools
   6 import re
   7
   8 from .common import InfoExtractor
   9 from ..compat import (
  10     compat_b64decode,
  11     compat_chr,
  12     compat_ord,
  13     compat_str,
  14     compat_urllib_parse_unquote,
  15     compat_urlparse,
  16     compat_zip
  17 )
  18 from ..utils import (
  19     clean_html,
  20     ExtractorError,
  21     int_or_none,
  22     OnDemandPagedList,
  23     str_to_int,
  24     try_get,
  25     urljoin,
  26 )
  27
  28
  29 class MixcloudIE(InfoExtractor):
  30     _VALID_URL = r'https?://(?:(?:www|beta|m)\.)?mixcloud\.com/([^/]+)/(?!stream|uploads|favorites|listens|playlists)([^/]+)'
  31     IE_NAME = 'mixcloud'
  32
  33     _TESTS = [{
  34         'url': 'http://www.mixcloud.com/dholbach/cryptkeeper/',
  35         'info_dict': {
  36             'id': 'dholbach-cryptkeeper',
  37             'ext': 'm4a',
  38             'title': 'Cryptkeeper',
  39             'description': 'After quite a long silence from myself, finally another Drum\'n\'Bass mix with my favourite current dance floor bangers.',
  40             'uploader': 'Daniel Holbach',
  41             'uploader_id': 'dholbach',
  42             'thumbnail': r're:https?://.*\.jpg',
  43             'view_count': int,
  44         },
  45     }, {
  46         'url': 'http://www.mixcloud.com/gillespeterson/caribou-7-inch-vinyl-mix-chat/',
  47         'info_dict': {
  48             'id': 'gillespeterson-caribou-7-inch-vinyl-mix-chat',
  49             'ext': 'mp3',
  50             'title': 'Caribou 7 inch Vinyl Mix & Chat',
  51             'description': 'md5:2b8aec6adce69f9d41724647c65875e8',
  52             'uploader': 'Gilles Peterson Worldwide',
  53             'uploader_id': 'gillespeterson',
  54             'thumbnail': 're:https?://.*',
  55             'view_count': int,
  56         },
  57     }, {
  58         'url': 'https://beta.mixcloud.com/RedLightRadio/nosedrip-15-red-light-radio-01-18-2016/',
  59         'only_matching': True,
  60     }]
  61
  62     @staticmethod
  63     def _decrypt_xor_cipher(key, ciphertext):
  64         """Encrypt/Decrypt XOR cipher. Both ways are possible because it's XOR."""
  65         return ''.join([
  66             compat_chr(compat_ord(ch) ^ compat_ord(k))
  67             for ch, k in compat_zip(ciphertext, itertools.cycle(key))])
  68
  69     def _real_extract(self, url):
  70         mobj = re.match(self._VALID_URL, url)
  71         uploader = mobj.group(1)
  72         cloudcast_name = mobj.group(2)
  73         track_id = compat_urllib_parse_unquote('-'.join((uploader, cloudcast_name)))
  74
  75         webpage = self._download_webpage(url, track_id)
  76
  77         # Legacy path
  78         encrypted_play_info = self._search_regex(
  79             r'm-play-info="([^"]+)"', webpage, 'play info', default=None)
  80
  81         if encrypted_play_info is not None:
  82             # Decode
  83             encrypted_play_info = compat_b64decode(encrypted_play_info)
  84         else:
  85             # New path
  86             full_info_json = self._parse_json(self._html_search_regex(
  87                 r'<script id="relay-data" type="text/x-mixcloud">([^<]+)</script>',
  88                 webpage, 'play info'), 'play info')
  89             for item in full_info_json:
  90                 item_data = try_get(
  91                     item, lambda x: x['cloudcast']['data']['cloudcastLookup'],
  92                     dict)
  93                 if try_get(item_data, lambda x: x['streamInfo']['url']):
  94                     info_json = item_data
  95                     break
  96             else:
  97                 raise ExtractorError('Failed to extract matching stream info')
  98
  99         message = self._html_search_regex(
 100             r'(?s)<div[^>]+class="global-message cloudcast-disabled-notice-light"[^>]*>(.+?)<(?:a|/div)',
 101             webpage, 'error message', default=None)
 102
 103         js_url = self._search_regex(
 104             r'<script[^>]+\bsrc=["\"](https://(?:www\.)?mixcloud\.com/media/(?:js2/www_js_4|js/www)\.[^>]+\.js)',
 105             webpage, 'js url')
 106         js = self._download_webpage(js_url, track_id, 'Downloading JS')
 107         # Known plaintext attack
 108         if encrypted_play_info:
 109             kps = ['{"stream_url":']
 110             kpa_target = encrypted_play_info
 111         else:
 112             kps = ['https://', 'http://']
 113             kpa_target = compat_b64decode(info_json['streamInfo']['url'])
 114         for kp in kps:
 115             partial_key = self._decrypt_xor_cipher(kpa_target, kp)
 116             for quote in ["'", '"']:
 117                 key = self._search_regex(
 118                     r'{0}({1}[^{0}]*){0}'.format(quote, re.escape(partial_key)),
 119                     js, 'encryption key', default=None)
 120                 if key is not None:
 121                     break
 122             else:
 123                 continue
 124             break
 125         else:
 126             raise ExtractorError('Failed to extract encryption key')
 127
 128         if encrypted_play_info is not None:
 129             play_info = self._parse_json(self._decrypt_xor_cipher(key, encrypted_play_info), 'play info')
 130             if message and 'stream_url' not in play_info:
 131                 raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
 132             song_url = play_info['stream_url']
 133             formats = [{
 134                 'format_id': 'normal',
 135                 'url': song_url
 136             }]
 137
 138             title = self._html_search_regex(r'm-title="([^"]+)"', webpage, 'title')
 139             thumbnail = self._proto_relative_url(self._html_search_regex(
 140                 r'm-thumbnail-url="([^"]+)"', webpage, 'thumbnail', fatal=False))
 141             uploader = self._html_search_regex(
 142                 r'm-owner-name="([^"]+)"', webpage, 'uploader', fatal=False)
 143             uploader_id = self._search_regex(
 144                 r'\s+"profile": "([^"]+)",', webpage, 'uploader id', fatal=False)
 145             description = self._og_search_description(webpage)
 146             view_count = str_to_int(self._search_regex(
 147                 [r'<meta itemprop="interactionCount" content="UserPlays:([0-9]+)"',
 148                  r'/listeners/?">([0-9,.]+)</a>',
 149                  r'(?:m|data)-tooltip=["\']([\d,.]+) plays'],
 150                 webpage, 'play count', default=None))
 151
 152         else:
 153             title = info_json['name']
 154             thumbnail = urljoin(
 155                 'https://thumbnailer.mixcloud.com/unsafe/600x600/',
 156                 try_get(info_json, lambda x: x['picture']['urlRoot'], compat_str))
 157             uploader = try_get(info_json, lambda x: x['owner']['displayName'])
 158             uploader_id = try_get(info_json, lambda x: x['owner']['username'])
 159             description = try_get(info_json, lambda x: x['description'])
 160             view_count = int_or_none(try_get(info_json, lambda x: x['plays']))
 161
 162             stream_info = info_json['streamInfo']
 163             formats = []
 164
 165             for url_key in ('url', 'hlsUrl', 'dashUrl'):
 166                 format_url = stream_info.get(url_key)
 167                 if not format_url:
 168                     continue
 169                 decrypted = self._decrypt_xor_cipher(key, compat_b64decode(format_url))
 170                 if not decrypted:
 171                     continue
 172                 if url_key == 'hlsUrl':
 173                     formats.extend(self._extract_m3u8_formats(
 174                         decrypted, track_id, 'mp4', entry_protocol='m3u8_native',
 175                         m3u8_id='hls', fatal=False))
 176                 elif url_key == 'dashUrl':
 177                     formats.extend(self._extract_mpd_formats(
 178                         decrypted, track_id, mpd_id='dash', fatal=False))
 179                 else:
 180                     formats.append({
 181                         'format_id': 'http',
 182                         'url': decrypted,
 183                     })
 184             self._sort_formats(formats)
 185
 186         return {
 187             'id': track_id,
 188             'title': title,
 189             'formats': formats,
 190             'description': description,
 191             'thumbnail': thumbnail,
 192             'uploader': uploader,
 193             'uploader_id': uploader_id,
 194             'view_count': view_count,
 195         }
 196
 197
 198 class MixcloudPlaylistBaseIE(InfoExtractor):
 199     _PAGE_SIZE = 24
 200
 201     def _find_urls_in_page(self, page):
 202         for url in re.findall(r'm-play-button m-url="(?P<url>[^"]+)"', page):
 203             yield self.url_result(
 204                 compat_urlparse.urljoin('https://www.mixcloud.com', clean_html(url)),
 205                 MixcloudIE.ie_key())
 206
 207     def _fetch_tracks_page(self, path, video_id, page_name, current_page, real_page_number=None):
 208         real_page_number = real_page_number or current_page + 1
 209         return self._download_webpage(
 210             'https://www.mixcloud.com/%s/' % path, video_id,
 211             note='Download %s (page %d)' % (page_name, current_page + 1),
 212             errnote='Unable to download %s' % page_name,
 213             query={'page': real_page_number, 'list': 'main', '_ajax': '1'},
 214             headers={'X-Requested-With': 'XMLHttpRequest'})
 215
 216     def _tracks_page_func(self, page, video_id, page_name, current_page):
 217         resp = self._fetch_tracks_page(page, video_id, page_name, current_page)
 218
 219         for item in self._find_urls_in_page(resp):
 220             yield item
 221
 222     def _get_user_description(self, page_content):
 223         return self._html_search_regex(
 224             r'<div[^>]+class="profile-bio"[^>]*>(.+?)</div>',
 225             page_content, 'user description', fatal=False)
 226
 227
 228 class MixcloudUserIE(MixcloudPlaylistBaseIE):
 229     _VALID_URL = r'https?://(?:www\.)?mixcloud\.com/(?P<user>[^/]+)/(?P<type>uploads|favorites|listens)?/?$'
 230     IE_NAME = 'mixcloud:user'
 231
 232     _TESTS = [{
 233         'url': 'http://www.mixcloud.com/dholbach/',
 234         'info_dict': {
 235             'id': 'dholbach_uploads',
 236             'title': 'Daniel Holbach (uploads)',
 237             'description': 'md5:def36060ac8747b3aabca54924897e47',
 238         },
 239         'playlist_mincount': 11,
 240     }, {
 241         'url': 'http://www.mixcloud.com/dholbach/uploads/',
 242         'info_dict': {
 243             'id': 'dholbach_uploads',
 244             'title': 'Daniel Holbach (uploads)',
 245             'description': 'md5:def36060ac8747b3aabca54924897e47',
 246         },
 247         'playlist_mincount': 11,
 248     }, {
 249         'url': 'http://www.mixcloud.com/dholbach/favorites/',
 250         'info_dict': {
 251             'id': 'dholbach_favorites',
 252             'title': 'Daniel Holbach (favorites)',
 253             'description': 'md5:def36060ac8747b3aabca54924897e47',
 254         },
 255         'params': {
 256             'playlist_items': '1-100',
 257         },
 258         'playlist_mincount': 100,
 259     }, {
 260         'url': 'http://www.mixcloud.com/dholbach/listens/',
 261         'info_dict': {
 262             'id': 'dholbach_listens',
 263             'title': 'Daniel Holbach (listens)',
 264             'description': 'md5:def36060ac8747b3aabca54924897e47',
 265         },
 266         'params': {
 267             'playlist_items': '1-100',
 268         },
 269         'playlist_mincount': 100,
 270     }]
 271
 272     def _real_extract(self, url):
 273         mobj = re.match(self._VALID_URL, url)
 274         user_id = mobj.group('user')
 275         list_type = mobj.group('type')
 276
 277         # if only a profile URL was supplied, default to download all uploads
 278         if list_type is None:
 279             list_type = 'uploads'
 280
 281         video_id = '%s_%s' % (user_id, list_type)
 282
 283         profile = self._download_webpage(
 284             'https://www.mixcloud.com/%s/' % user_id, video_id,
 285             note='Downloading user profile',
 286             errnote='Unable to download user profile')
 287
 288         username = self._og_search_title(profile)
 289         description = self._get_user_description(profile)
 290
 291         entries = OnDemandPagedList(
 292             functools.partial(
 293                 self._tracks_page_func,
 294                 '%s/%s' % (user_id, list_type), video_id, 'list of %s' % list_type),
 295             self._PAGE_SIZE)
 296
 297         return self.playlist_result(
 298             entries, video_id, '%s (%s)' % (username, list_type), description)
 299
 300
 301 class MixcloudPlaylistIE(MixcloudPlaylistBaseIE):
 302     _VALID_URL = r'https?://(?:www\.)?mixcloud\.com/(?P<user>[^/]+)/playlists/(?P<playlist>[^/]+)/?$'
 303     IE_NAME = 'mixcloud:playlist'
 304
 305     _TESTS = [{
 306         'url': 'https://www.mixcloud.com/RedBullThre3style/playlists/tokyo-finalists-2015/',
 307         'info_dict': {
 308             'id': 'RedBullThre3style_tokyo-finalists-2015',
 309             'title': 'National Champions 2015',
 310             'description': 'md5:6ff5fb01ac76a31abc9b3939c16243a3',
 311         },
 312         'playlist_mincount': 16,
 313     }, {
 314         'url': 'https://www.mixcloud.com/maxvibes/playlists/jazzcat-on-ness-radio/',
 315         'only_matching': True,
 316     }]
 317
 318     def _real_extract(self, url):
 319         mobj = re.match(self._VALID_URL, url)
 320         user_id = mobj.group('user')
 321         playlist_id = mobj.group('playlist')
 322         video_id = '%s_%s' % (user_id, playlist_id)
 323
 324         webpage = self._download_webpage(
 325             url, user_id,
 326             note='Downloading playlist page',
 327             errnote='Unable to download playlist page')
 328
 329         title = self._html_search_regex(
 330             r'<a[^>]+class="parent active"[^>]*><b>\d+</b><span[^>]*>([^<]+)',
 331             webpage, 'playlist title',
 332             default=None) or self._og_search_title(webpage, fatal=False)
 333         description = self._get_user_description(webpage)
 334
 335         entries = OnDemandPagedList(
 336             functools.partial(
 337                 self._tracks_page_func,
 338                 '%s/playlists/%s' % (user_id, playlist_id), video_id, 'tracklist'),
 339             self._PAGE_SIZE)
 340
 341         return self.playlist_result(entries, video_id, title, description)
 342
 343
 344 class MixcloudStreamIE(MixcloudPlaylistBaseIE):
 345     _VALID_URL = r'https?://(?:www\.)?mixcloud\.com/(?P<id>[^/]+)/stream/?$'
 346     IE_NAME = 'mixcloud:stream'
 347
 348     _TEST = {
 349         'url': 'https://www.mixcloud.com/FirstEar/stream/',
 350         'info_dict': {
 351             'id': 'FirstEar',
 352             'title': 'First Ear',
 353             'description': 'Curators of good music\nfirstearmusic.com',
 354         },
 355         'playlist_mincount': 192,
 356     }
 357
 358     def _real_extract(self, url):
 359         user_id = self._match_id(url)
 360
 361         webpage = self._download_webpage(url, user_id)
 362
 363         entries = []
 364         prev_page_url = None
 365
 366         def _handle_page(page):
 367             entries.extend(self._find_urls_in_page(page))
 368             return self._search_regex(
 369                 r'm-next-page-url="([^"]+)"', page,
 370                 'next page URL', default=None)
 371
 372         next_page_url = _handle_page(webpage)
 373
 374         for idx in itertools.count(0):
 375             if not next_page_url or prev_page_url == next_page_url:
 376                 break
 377
 378             prev_page_url = next_page_url
 379             current_page = int(self._search_regex(
 380                 r'\?page=(\d+)', next_page_url, 'next page number'))
 381
 382             next_page_url = _handle_page(self._fetch_tracks_page(
 383                 '%s/stream' % user_id, user_id, 'stream', idx,
 384                 real_page_number=current_page))
 385
 386         username = self._og_search_title(webpage)
 387         description = self._get_user_description(webpage)
 388
 389         return self.playlist_result(entries, user_id, username, description)