From 5b3ddadcc3012c4ef390a7cf70dbcb8b83f07428 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sergey=20M=E2=80=A4?= Date: Wed, 9 Aug 2017 22:55:13 +0700 Subject: [PATCH] [mixcloud] Fix play info decryption (closes #13867) --- youtube_dl/extractor/mixcloud.py | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/youtube_dl/extractor/mixcloud.py b/youtube_dl/extractor/mixcloud.py index 0efbe660a5..40cd2e389e 100644 --- a/youtube_dl/extractor/mixcloud.py +++ b/youtube_dl/extractor/mixcloud.py @@ -54,15 +54,22 @@ class MixcloudIE(InfoExtractor): }] # See https://www.mixcloud.com/media/js2/www_js_2.9e23256562c080482435196ca3975ab5.js - @staticmethod - def _decrypt_play_info(play_info): - KEY = 'pleasedontdownloadourmusictheartistswontgetpaid' - + def _decrypt_play_info(self, play_info, video_id): + KEYS = ( + 'pleasedontdownloadourmusictheartistswontgetpaid', + '(function() { return new Date().toLocaleDateString(); })()' + ) 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)]) + for num, key in enumerate(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(KEYS): + raise def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) @@ -78,8 +85,8 @@ class MixcloudIE(InfoExtractor): 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) + + 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)