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authorYen Chi Hsuan <yan12125@gmail.com>2016-04-15 15:42:00 +0800
committerYen Chi Hsuan <yan12125@gmail.com>2016-04-15 15:48:22 +0800
commitdd91dfcd67a0d1db25836f734579742ff73b0c66 (patch)
treea0a5f18b3673b6ede199cc2cbc778cd73b9a198a /youtube_dl
parentc77308269287c8d745f2254181cf42dceac26fde (diff)
[mixcloud] Fix extraction by decrypting play info
Fixes #7521
Diffstat (limited to 'youtube_dl')
-rw-r--r--youtube_dl/extractor/mixcloud.py43
1 files changed, 20 insertions, 23 deletions
diff --git a/youtube_dl/extractor/mixcloud.py b/youtube_dl/extractor/mixcloud.py
index 5cf42198d..d4a4963ee 100644
--- a/youtube_dl/extractor/mixcloud.py
+++ b/youtube_dl/extractor/mixcloud.py
@@ -1,19 +1,20 @@
from __future__ import unicode_literals
+import base64
import functools
import re
from .common import InfoExtractor
from ..compat import (
+ compat_chr,
+ compat_ord,
compat_urllib_parse_unquote,
compat_urlparse,
)
from ..utils import (
clean_html,
ExtractorError,
- HEADRequest,
OnDemandPagedList,
- NO_DEFAULT,
parse_count,
str_to_int,
)
@@ -45,22 +46,22 @@ class MixcloudIE(InfoExtractor):
'description': 'md5:2b8aec6adce69f9d41724647c65875e8',
'uploader': 'Gilles Peterson Worldwide',
'uploader_id': 'gillespeterson',
- 'thumbnail': 're:https?://.*/images/',
+ 'thumbnail': 're:https?://.*',
'view_count': int,
'like_count': int,
},
}]
- def _check_url(self, url, track_id, ext):
- try:
- # We only want to know if the request succeed
- # don't download the whole file
- self._request_webpage(
- HEADRequest(url), track_id,
- 'Trying %s URL' % ext)
- return True
- except ExtractorError:
- return False
+ # See https://www.mixcloud.com/media/js2/www_js_2.9e23256562c080482435196ca3975ab5.js
+ @staticmethod
+ def _decrypt_play_info(play_info):
+ KEY = 'pleasedontdownloadourmusictheartistswontgetpaid'
+
+ play_info = base64.b64decode(play_info.encode('ascii'))
+
+ return ''.join([
+ compat_chr(compat_ord(ch) ^ compat_ord(KEY[idx % len(KEY)]))
+ for idx, ch in enumerate(play_info)])
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
@@ -74,19 +75,15 @@ class MixcloudIE(InfoExtractor):
r'(?s)<div[^>]+class="global-message cloudcast-disabled-notice-light"[^>]*>(.+?)<(?:a|/div)',
webpage, 'error message', default=None)
- preview_url = self._search_regex(
- r'\s(?:data-preview-url|m-preview)="([^"]+)"',
- webpage, 'preview url', default=None if message else NO_DEFAULT)
+ encrypted_play_info = self._search_regex(
+ r'm-play-info="([^"]+)"', webpage, 'play info')
+ play_info = self._parse_json(
+ self._decrypt_play_info(encrypted_play_info), track_id)
- if message:
+ if message and 'stream_url' not in play_info:
raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
- song_url = re.sub(r'audiocdn(\d+)', r'stream\1', preview_url)
- song_url = song_url.replace('/previews/', '/c/originals/')
- if not self._check_url(song_url, track_id, 'mp3'):
- song_url = song_url.replace('.mp3', '.m4a').replace('originals/', 'm4a/64/')
- if not self._check_url(song_url, track_id, 'm4a'):
- raise ExtractorError('Unable to extract track url')
+ song_url = play_info['stream_url']
PREFIX = (
r'm-play-on-spacebar[^>]+'