+
+
+class FourTubeIE(FourTubeBaseIE):
+    IE_NAME = '4tube'
+    _VALID_URL = r'https?://(?:(?P<kind>www|m)\.)?4tube\.com/(?:videos|embed)/(?P<id>\d+)(?:/(?P<display_id>[^/?#&]+))?'
+    _URL_TEMPLATE = 'https://www.4tube.com/videos/%s/video'
+    _TKN_HOST = 'token.4tube.com'
+    _TESTS = [{
+        'url': 'http://www.4tube.com/videos/209733/hot-babe-holly-michaels-gets-her-ass-stuffed-by-black',
+        'md5': '6516c8ac63b03de06bc8eac14362db4f',
+        'info_dict': {
+            'id': '209733',
+            'ext': 'mp4',
+            'title': 'Hot Babe Holly Michaels gets her ass stuffed by black',
+            'uploader': 'WCP Club',
+            'uploader_id': 'wcp-club',
+            'upload_date': '20131031',
+            'timestamp': 1383263892,
+            'duration': 583,
+            'view_count': int,
+            'like_count': int,
+            'categories': list,
+            'age_limit': 18,
+        },
+    }, {
+        'url': 'http://www.4tube.com/embed/209733',
+        'only_matching': True,
+    }, {
+        'url': 'http://m.4tube.com/videos/209733/hot-babe-holly-michaels-gets-her-ass-stuffed-by-black',
+        'only_matching': True,
+    }]
+
+
+class FuxIE(FourTubeBaseIE):
+    _VALID_URL = r'https?://(?:(?P<kind>www|m)\.)?fux\.com/(?:video|embed)/(?P<id>\d+)(?:/(?P<display_id>[^/?#&]+))?'
+    _URL_TEMPLATE = 'https://www.fux.com/video/%s/video'
+    _TKN_HOST = 'token.fux.com'
+    _TESTS = [{
+        'url': 'https://www.fux.com/video/195359/awesome-fucking-kitchen-ends-cum-swallow',
+        'info_dict': {
+            'id': '195359',
+            'ext': 'mp4',
+            'title': 'Awesome fucking in the kitchen ends with cum swallow',
+            'uploader': 'alenci2342',
+            'uploader_id': 'alenci2342',
+            'upload_date': '20131230',
+            'timestamp': 1388361660,
+            'duration': 289,
+            'view_count': int,
+            'like_count': int,
+            'categories': list,
+            'age_limit': 18,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.fux.com/embed/195359',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.fux.com/video/195359/awesome-fucking-kitchen-ends-cum-swallow',
+        'only_matching': True,
+    }]
+
+
+class PornTubeIE(FourTubeBaseIE):
+    _VALID_URL = r'https?://(?:(?P<kind>www|m)\.)?porntube\.com/(?:videos/(?P<display_id>[^/]+)_|embed/)(?P<id>\d+)'
+    _URL_TEMPLATE = 'https://www.porntube.com/videos/video_%s'
+    _TKN_HOST = 'tkn.porntube.com'
+    _TESTS = [{
+        'url': 'https://www.porntube.com/videos/teen-couple-doing-anal_7089759',
+        'info_dict': {
+            'id': '7089759',
+            'ext': 'mp4',
+            'title': 'Teen couple doing anal',
+            'uploader': 'Alexy',
+            'uploader_id': '91488',
+            'upload_date': '20150606',
+            'timestamp': 1433595647,
+            'duration': 5052,
+            'view_count': int,
+            'like_count': int,
+            'age_limit': 18,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.porntube.com/videos/squirting-teen-ballerina-ecg_1331406',
+        'info_dict': {
+            'id': '1331406',
+            'ext': 'mp4',
+            'title': 'Squirting Teen Ballerina on ECG',
+            'uploader': 'Exploited College Girls',
+            'uploader_id': '665',
+            'channel': 'Exploited College Girls',
+            'channel_id': '665',
+            'upload_date': '20130920',
+            'timestamp': 1379685485,
+            'duration': 851,
+            'view_count': int,
+            'like_count': int,
+            'age_limit': 18,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.porntube.com/embed/7089759',
+        'only_matching': True,
+    }, {
+        'url': 'https://m.porntube.com/videos/teen-couple-doing-anal_7089759',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        video_id, display_id = mobj.group('id', 'display_id')
+
+        webpage = self._download_webpage(url, display_id)
+
+        video = self._parse_json(
+            self._search_regex(
+                r'INITIALSTATE\s*=\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
+                webpage, 'data', group='value'), video_id,
+            transform_source=lambda x: compat_urllib_parse_unquote(
+                compat_b64decode(x).decode('utf-8')))['page']['video']
+
+        title = video['title']
+        media_id = video['mediaId']
+        sources = [compat_str(e['height'])
+                   for e in video['encodings'] if e.get('height')]
+        formats = self._extract_formats(url, video_id, media_id, sources)
+
+        thumbnail = url_or_none(video.get('masterThumb'))
+        uploader = try_get(video, lambda x: x['user']['username'], compat_str)
+        uploader_id = str_or_none(try_get(
+            video, lambda x: x['user']['id'], int))
+        channel = try_get(video, lambda x: x['channel']['name'], compat_str)
+        channel_id = str_or_none(try_get(
+            video, lambda x: x['channel']['id'], int))
+        like_count = int_or_none(video.get('likes'))
+        dislike_count = int_or_none(video.get('dislikes'))
+        view_count = int_or_none(video.get('playsQty'))
+        duration = int_or_none(video.get('durationInSeconds'))
+        timestamp = unified_timestamp(video.get('publishedAt'))
+
+        return {
+            'id': video_id,
+            'title': title,
+            'formats': formats,
+            'thumbnail': thumbnail,
+            'uploader': uploader or channel,
+            'uploader_id': uploader_id or channel_id,
+            'channel': channel,
+            'channel_id': channel_id,
+            'timestamp': timestamp,
+            'like_count': like_count,
+            'dislike_count': dislike_count,
+            'view_count': view_count,
+            'duration': duration,
+            'age_limit': 18,
+        }
+
+
+class PornerBrosIE(FourTubeBaseIE):
+    _VALID_URL = r'https?://(?:(?P<kind>www|m)\.)?pornerbros\.com/(?:videos/(?P<display_id>[^/]+)_|embed/)(?P<id>\d+)'
+    _URL_TEMPLATE = 'https://www.pornerbros.com/videos/video_%s'
+    _TKN_HOST = 'token.pornerbros.com'
+    _TESTS = [{
+        'url': 'https://www.pornerbros.com/videos/skinny-brunette-takes-big-cock-down-her-anal-hole_181369',
+        'md5': '6516c8ac63b03de06bc8eac14362db4f',
+        'info_dict': {
+            'id': '181369',
+            'ext': 'mp4',
+            'title': 'Skinny brunette takes big cock down her anal hole',
+            'uploader': 'PornerBros HD',
+            'uploader_id': 'pornerbros-hd',
+            'upload_date': '20130130',
+            'timestamp': 1359527401,
+            'duration': 1224,
+            'view_count': int,
+            'categories': list,
+            'age_limit': 18,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.pornerbros.com/embed/181369',
+        'only_matching': True,
+    }, {
+        'url': 'https://m.pornerbros.com/videos/skinny-brunette-takes-big-cock-down-her-anal-hole_181369',
+        'only_matching': True,
+    }]