+ formats = []
+
+ def extract_format(format_id, format_url):
+ f_url = url_or_none(format_url)
+ if not f_url:
+ return
+ f = parse_resolution(format_id)
+ f.update({
+ 'url': f_url,
+ 'format_id': format_id,
+ })
+ formats.append(f)
+
+ STREAM_URL_PREFIX = 'stream_url_'
+
+ for mobj in re.finditer(
+ r'%s(?P<id>[^\s=]+)\s*=\s*(["\'])(?P<url>(?:(?!\2).)+)\2'
+ % STREAM_URL_PREFIX, webpage):
+ extract_format(mobj.group('id', 'url'))
+
+ if not formats:
+ stream_key = self._search_regex(
+ r'data-streamkey\s*=\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
+ webpage, 'stream key', group='value')
+
+ sb_csrf_session = self._get_cookies(
+ 'https://spankbang.com')['sb_csrf_session'].value
+
+ stream = self._download_json(
+ 'https://spankbang.com/api/videos/stream', video_id,
+ 'Downloading stream JSON', data=urlencode_postdata({
+ 'id': stream_key,
+ 'data': 0,
+ 'sb_csrf_session': sb_csrf_session,
+ }), headers={
+ 'Referer': url,
+ 'X-CSRFToken': sb_csrf_session,
+ })
+
+ for format_id, format_url in stream.items():
+ if format_id.startswith(STREAM_URL_PREFIX):
+ extract_format(
+ format_id[len(STREAM_URL_PREFIX):], format_url)