from __future__ import unicode_literals
-import base64
import functools
import itertools
import re
from .common import InfoExtractor
from ..compat import (
+ compat_b64decode,
compat_chr,
compat_ord,
compat_str,
compat_urllib_parse_unquote,
compat_urlparse,
+ compat_zip
)
from ..utils import (
clean_html,
ExtractorError,
+ int_or_none,
OnDemandPagedList,
str_to_int,
+ try_get,
+ urljoin,
)
'only_matching': True,
}]
- _keys = [
- 'return { requestAnimationFrame: function(callback) { callback(); }, innerHeight: 500 };',
- 'pleasedontdownloadourmusictheartistswontgetpaid',
- 'window.addEventListener = window.addEventListener || function() {};',
- '(function() { return new Date().toLocaleDateString(); })()'
- ]
- _current_key = None
-
- # See https://www.mixcloud.com/media/js2/www_js_2.9e23256562c080482435196ca3975ab5.js
- def _decrypt_play_info(self, play_info, video_id):
- play_info = base64.b64decode(play_info.encode('ascii'))
- for num, key in enumerate(self._keys, start=1):
- try:
- return self._parse_json(
- ''.join([
- compat_chr(compat_ord(ch) ^ compat_ord(key[idx % len(key)]))
- for idx, ch in enumerate(play_info)]),
- video_id)
- except ExtractorError:
- if num == len(self._keys):
- raise
+ @staticmethod
+ def _decrypt_xor_cipher(key, ciphertext):
+ """Encrypt/Decrypt XOR cipher. Both ways are possible because it's XOR."""
+ return ''.join([
+ compat_chr(compat_ord(ch) ^ compat_ord(k))
+ for ch, k in compat_zip(ciphertext, itertools.cycle(key))])
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
webpage = self._download_webpage(url, track_id)
- if not self._current_key:
- js_url = self._search_regex(
- r'<script[^>]+\bsrc=["\"](https://(?:www\.)?mixcloud\.com/media/js2/www_js_4\.[^>]+\.js)',
- webpage, 'js url', default=None)
- if js_url:
- js = self._download_webpage(js_url, track_id, fatal=False)
- if js:
- key = self._search_regex(
- r'player\s*:\s*{.*?\bvalue\s*:\s*(["\'])(?P<key>(?:(?!\1).)+)\1',
- js, 'key', default=None, group='key')
- if key and isinstance(key, compat_str):
- self._keys.insert(0, key)
- self._current_key = key
+ # Legacy path
+ encrypted_play_info = self._search_regex(
+ r'm-play-info="([^"]+)"', webpage, 'play info', default=None)
+
+ if encrypted_play_info is not None:
+ # Decode
+ encrypted_play_info = compat_b64decode(encrypted_play_info)
+ else:
+ # New path
+ full_info_json = self._parse_json(self._html_search_regex(
+ r'<script id="relay-data" type="text/x-mixcloud">([^<]+)</script>',
+ webpage, 'play info'), 'play info')
+ for item in full_info_json:
+ item_data = try_get(
+ item, lambda x: x['cloudcast']['data']['cloudcastLookup'],
+ dict)
+ if try_get(item_data, lambda x: x['streamInfo']['url']):
+ info_json = item_data
+ break
+ else:
+ raise ExtractorError('Failed to extract matching stream info')
message = self._html_search_regex(
r'(?s)<div[^>]+class="global-message cloudcast-disabled-notice-light"[^>]*>(.+?)<(?:a|/div)',
webpage, 'error message', default=None)
- encrypted_play_info = self._search_regex(
- r'm-play-info="([^"]+)"', webpage, 'play info')
-
- play_info = self._decrypt_play_info(encrypted_play_info, track_id)
-
- if message and 'stream_url' not in play_info:
- raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
-
- song_url = play_info['stream_url']
-
- title = self._html_search_regex(r'm-title="([^"]+)"', webpage, 'title')
- thumbnail = self._proto_relative_url(self._html_search_regex(
- r'm-thumbnail-url="([^"]+)"', webpage, 'thumbnail', fatal=False))
- uploader = self._html_search_regex(
- r'm-owner-name="([^"]+)"', webpage, 'uploader', fatal=False)
- uploader_id = self._search_regex(
- r'\s+"profile": "([^"]+)",', webpage, 'uploader id', fatal=False)
- description = self._og_search_description(webpage)
- view_count = str_to_int(self._search_regex(
- [r'<meta itemprop="interactionCount" content="UserPlays:([0-9]+)"',
- r'/listeners/?">([0-9,.]+)</a>',
- r'(?:m|data)-tooltip=["\']([\d,.]+) plays'],
- webpage, 'play count', default=None))
+ js_url = self._search_regex(
+ r'<script[^>]+\bsrc=["\"](https://(?:www\.)?mixcloud\.com/media/(?:js2/www_js_4|js/www)\.[^>]+\.js)',
+ webpage, 'js url')
+ js = self._download_webpage(js_url, track_id, 'Downloading JS')
+ # Known plaintext attack
+ if encrypted_play_info:
+ kps = ['{"stream_url":']
+ kpa_target = encrypted_play_info
+ else:
+ kps = ['https://', 'http://']
+ kpa_target = compat_b64decode(info_json['streamInfo']['url'])
+ for kp in kps:
+ partial_key = self._decrypt_xor_cipher(kpa_target, kp)
+ for quote in ["'", '"']:
+ key = self._search_regex(
+ r'{0}({1}[^{0}]*){0}'.format(quote, re.escape(partial_key)),
+ js, 'encryption key', default=None)
+ if key is not None:
+ break
+ else:
+ continue
+ break
+ else:
+ raise ExtractorError('Failed to extract encryption key')
+
+ if encrypted_play_info is not None:
+ play_info = self._parse_json(self._decrypt_xor_cipher(key, encrypted_play_info), 'play info')
+ if message and 'stream_url' not in play_info:
+ raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
+ song_url = play_info['stream_url']
+ formats = [{
+ 'format_id': 'normal',
+ 'url': song_url
+ }]
+
+ title = self._html_search_regex(r'm-title="([^"]+)"', webpage, 'title')
+ thumbnail = self._proto_relative_url(self._html_search_regex(
+ r'm-thumbnail-url="([^"]+)"', webpage, 'thumbnail', fatal=False))
+ uploader = self._html_search_regex(
+ r'm-owner-name="([^"]+)"', webpage, 'uploader', fatal=False)
+ uploader_id = self._search_regex(
+ r'\s+"profile": "([^"]+)",', webpage, 'uploader id', fatal=False)
+ description = self._og_search_description(webpage)
+ view_count = str_to_int(self._search_regex(
+ [r'<meta itemprop="interactionCount" content="UserPlays:([0-9]+)"',
+ r'/listeners/?">([0-9,.]+)</a>',
+ r'(?:m|data)-tooltip=["\']([\d,.]+) plays'],
+ webpage, 'play count', default=None))
+
+ else:
+ title = info_json['name']
+ thumbnail = urljoin(
+ 'https://thumbnailer.mixcloud.com/unsafe/600x600/',
+ try_get(info_json, lambda x: x['picture']['urlRoot'], compat_str))
+ uploader = try_get(info_json, lambda x: x['owner']['displayName'])
+ uploader_id = try_get(info_json, lambda x: x['owner']['username'])
+ description = try_get(info_json, lambda x: x['description'])
+ view_count = int_or_none(try_get(info_json, lambda x: x['plays']))
+
+ stream_info = info_json['streamInfo']
+ formats = []
+
+ for url_key in ('url', 'hlsUrl', 'dashUrl'):
+ format_url = stream_info.get(url_key)
+ if not format_url:
+ continue
+ decrypted = self._decrypt_xor_cipher(key, compat_b64decode(format_url))
+ if not decrypted:
+ continue
+ if url_key == 'hlsUrl':
+ formats.extend(self._extract_m3u8_formats(
+ decrypted, track_id, 'mp4', entry_protocol='m3u8_native',
+ m3u8_id='hls', fatal=False))
+ elif url_key == 'dashUrl':
+ formats.extend(self._extract_mpd_formats(
+ decrypted, track_id, mpd_id='dash', fatal=False))
+ else:
+ formats.append({
+ 'format_id': 'http',
+ 'url': decrypted,
+ 'downloader_options': {
+ # Mixcloud starts throttling at >~5M
+ 'http_chunk_size': 5242880,
+ },
+ })
+ self._sort_formats(formats)
return {
'id': track_id,
'title': title,
- 'url': song_url,
+ 'formats': formats,
'description': description,
'thumbnail': thumbnail,
'uploader': uploader,
functools.partial(
self._tracks_page_func,
'%s/%s' % (user_id, list_type), video_id, 'list of %s' % list_type),
- self._PAGE_SIZE, use_cache=True)
+ self._PAGE_SIZE)
return self.playlist_result(
entries, video_id, '%s (%s)' % (username, list_type), description)
projects / youtube-dl / blobdiff