[mixcloud] Add handling for new frontend
This commit is contained in:
Tatsuyuki Ishi
parent
20dbcfc1cd
commit
d5a11b4948
@ -9,9 +9,9 @@ from .common import InfoExtractor
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from ..compat import (
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compat_chr,
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compat_ord,
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compat_str,
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compat_urllib_parse_unquote,
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compat_urlparse,
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compat_zip
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)
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from ..utils import (
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clean_html,
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@ -54,27 +54,12 @@ class MixcloudIE(InfoExtractor):
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'only_matching': True,
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}]
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_keys = [
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'return { requestAnimationFrame: function(callback) { callback(); }, innerHeight: 500 };',
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'pleasedontdownloadourmusictheartistswontgetpaid',
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'window.addEventListener = window.addEventListener || function() {};',
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'(function() { return new Date().toLocaleDateString(); })()'
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]
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_current_key = None
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# See https://www.mixcloud.com/media/js2/www_js_2.9e23256562c080482435196ca3975ab5.js
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def _decrypt_play_info(self, play_info, video_id):
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play_info = base64.b64decode(play_info.encode('ascii'))
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for num, key in enumerate(self._keys, start=1):
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try:
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return self._parse_json(
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''.join([
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compat_chr(compat_ord(ch) ^ compat_ord(key[idx % len(key)]))
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for idx, ch in enumerate(play_info)]),
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video_id)
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except ExtractorError:
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if num == len(self._keys):
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raise
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@staticmethod
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def _decrypt_xor_cipher(key, ciphertext):
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"""Encrypt/Decrypt XOR cipher. Both ways are possible because it's XOR."""
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return ''.join([
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compat_chr(compat_ord(ch) ^ compat_ord(k))
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for ch, k in compat_zip(ciphertext, itertools.cycle(key))])
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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@ -84,54 +69,103 @@ class MixcloudIE(InfoExtractor):
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webpage = self._download_webpage(url, track_id)
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if not self._current_key:
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js_url = self._search_regex(
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r'<script[^>]+\bsrc=["\"](https://(?:www\.)?mixcloud\.com/media/js2/www_js_4\.[^>]+\.js)',
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webpage, 'js url', default=None)
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if js_url:
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js = self._download_webpage(js_url, track_id, fatal=False)
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if js:
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KEY_RE_TEMPLATE = r'player\s*:\s*{.*?\b%s\s*:\s*(["\'])(?P<key>(?:(?!\1).)+)\1'
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for key_name in ('value', 'key_value', 'key_value.*?', '.*?value.*?'):
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key = self._search_regex(
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KEY_RE_TEMPLATE % key_name, js, 'key',
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default=None, group='key')
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if key and isinstance(key, compat_str):
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self._keys.insert(0, key)
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self._current_key = key
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# Legacy path
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encrypted_play_info = self._search_regex(
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r'm-play-info="([^"]+)"', webpage, 'play info', default=None)
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if encrypted_play_info is not None:
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# Decode
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encrypted_play_info = base64.b64decode(encrypted_play_info)
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else:
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# New path
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full_info_json = self._parse_json(self._html_search_regex(
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r'<script id="relay-data" type="text/x-mixcloud">([^<]+)</script>', webpage, 'play info'), 'play info')
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for item in full_info_json:
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item_data = item.get("cloudcast", {}) \
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.get("data", {}) \
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.get("cloudcastLookup", {})
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if item_data \
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.get("streamInfo", {}) \
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.get("url", "") != "":
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info_json = item_data
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break
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message = self._html_search_regex(
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r'(?s)<div[^>]+class="global-message cloudcast-disabled-notice-light"[^>]*>(.+?)<(?:a|/div)',
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webpage, 'error message', default=None)
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encrypted_play_info = self._search_regex(
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r'm-play-info="([^"]+)"', webpage, 'play info')
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js_url = self._search_regex(
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r'<script[^>]+\bsrc=["\"](https://(?:www\.)?mixcloud\.com/media/js2/www_js_4\.[^>]+\.js)',
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webpage, 'js url', default=None)
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if js_url is None:
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js_url = self._search_regex(
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r'<script[^>]+\bsrc=["\"](https://(?:www\.)?mixcloud\.com/media/js/www\.[^>]+\.js)',
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webpage, 'js url')
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js = self._download_webpage(js_url, track_id)
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# Known plaintext attack
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if encrypted_play_info:
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kp = '{"stream_url":'
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kpa_target = encrypted_play_info
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else:
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kp = 'https://'
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kpa_target = base64.b64decode(info_json["streamInfo"]["url"])
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partial_key = self._decrypt_xor_cipher(kpa_target, kp)
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for quote in ["'", '"']:
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key = self._search_regex(r'{0}({1}[^{0}]*){0}'.format(quote, re.escape(partial_key)), js,
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"encryption key", default=None)
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if key is not None:
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break
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play_info = self._decrypt_play_info(encrypted_play_info, track_id)
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if encrypted_play_info is not None:
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play_info = self._parse_json(self._decrypt_xor_cipher(key, encrypted_play_info), 'play info')
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if message and 'stream_url' not in play_info:
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raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
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song_url = play_info['stream_url']
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formats = [{
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'format_id': 'normal',
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'url': song_url
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}]
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if message and 'stream_url' not in play_info:
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raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
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title = self._html_search_regex(r'm-title="([^"]+)"', webpage, 'title')
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thumbnail = self._proto_relative_url(self._html_search_regex(
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r'm-thumbnail-url="([^"]+)"', webpage, 'thumbnail', fatal=False))
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uploader = self._html_search_regex(
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r'm-owner-name="([^"]+)"', webpage, 'uploader', fatal=False)
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uploader_id = self._search_regex(
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r'\s+"profile": "([^"]+)",', webpage, 'uploader id', fatal=False)
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description = self._og_search_description(webpage)
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view_count = str_to_int(self._search_regex(
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[r'<meta itemprop="interactionCount" content="UserPlays:([0-9]+)"',
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r'/listeners/?">([0-9,.]+)</a>',
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r'(?:m|data)-tooltip=["\']([\d,.]+) plays'],
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webpage, 'play count', default=None))
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song_url = play_info['stream_url']
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title = self._html_search_regex(r'm-title="([^"]+)"', webpage, 'title')
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thumbnail = self._proto_relative_url(self._html_search_regex(
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r'm-thumbnail-url="([^"]+)"', webpage, 'thumbnail', fatal=False))
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uploader = self._html_search_regex(
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r'm-owner-name="([^"]+)"', webpage, 'uploader', fatal=False)
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uploader_id = self._search_regex(
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r'\s+"profile": "([^"]+)",', webpage, 'uploader id', fatal=False)
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description = self._og_search_description(webpage)
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view_count = str_to_int(self._search_regex(
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[r'<meta itemprop="interactionCount" content="UserPlays:([0-9]+)"',
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r'/listeners/?">([0-9,.]+)</a>',
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r'(?:m|data)-tooltip=["\']([\d,.]+) plays'],
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webpage, 'play count', default=None))
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else:
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title = info_json['name']
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thumbnail = 'https://thumbnailer.mixcloud.com/unsafe/600x600/' + info_json['picture']['urlRoot']
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uploader = info_json['owner']['displayName']
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uploader_id = info_json['owner']['username']
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description = info_json['description']
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view_count = info_json['plays']
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formats = [
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{
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'format_id': 'normal',
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'url': self._decrypt_xor_cipher(key, base64.b64decode(info_json['streamInfo']['url']))
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},
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{
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'format_id': 'hls',
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'url': self._decrypt_xor_cipher(key, base64.b64decode(info_json['streamInfo']['hlsUrl']))
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},
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{
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'format_id': 'dash',
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'url': self._decrypt_xor_cipher(key, base64.b64decode(info_json['streamInfo']['dashUrl']))
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}
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]
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return {
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'id': track_id,
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'title': title,
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'url': song_url,
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'formats': formats,
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'description': description,
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'thumbnail': thumbnail,
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'uploader': uploader,
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