[Stripchat] Add extractor (#1668)

Authored by: zulaport

yt_dlp/extractor/extractors.py

@@ -1407,6 +1407,7 @@
 from .streamcz import StreamCZIE
 from .streetvoice import StreetVoiceIE
 from .stretchinternet import StretchInternetIE
+from .stripchat import StripchatIE
 from .stv import STVPlayerIE
 from .sunporno import SunPornoIE
 from .sverigesradio import (

yt_dlp/extractor/stripchat.py

@@ -0,0 +1,66 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..compat import (
+    compat_str,
+)
+from ..utils import (
+    ExtractorError,
+    lowercase_escape,
+    try_get,
+)
+
+
+class StripchatIE(InfoExtractor):
+    _VALID_URL = r'https?://stripchat\.com/(?P<id>[0-9A-Za-z-_]+)'
+    _TESTS = [{
+        'url': 'https://stripchat.com/feel_me',
+        'info_dict': {
+            'id': 'feel_me',
+            'ext': 'mp4',
+            'title': 're:^feel_me [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
+            'description': str,
+            'is_live': True,
+            'age_limit': 18,
+        },
+        'skip': 'Room is offline',
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(
+            'https://stripchat.com/%s/' % video_id, video_id,
+            headers=self.geo_verification_headers())
+
+        data = self._parse_json(
+            self._search_regex(
+                r'<script\b[^>]*>\s*window\.__PRELOADED_STATE__\s*=(?P<value>.*?)<\/script>',
+                webpage, 'data', default='{}', group='value'),
+            video_id, transform_source=lowercase_escape, fatal=False)
+        if not data:
+            raise ExtractorError('Unable to find configuration for stream.')
+
+        if try_get(data, lambda x: x['viewCam']['show'], dict):
+            raise ExtractorError('Model is in private show', expected=True)
+        elif not try_get(data, lambda x: x['viewCam']['model']['isLive'], bool):
+            raise ExtractorError('Model is offline', expected=True)
+
+        server = try_get(data, lambda x: x['viewCam']['viewServers']['flashphoner-hls'], compat_str)
+        host = try_get(data, lambda x: x['config']['data']['hlsStreamHost'], compat_str)
+        model_id = try_get(data, lambda x: x['viewCam']['model']['id'], int)
+
+        formats = self._extract_m3u8_formats(
+            'https://b-%s.%s/hls/%d/%d.m3u8' % (server, host, model_id, model_id),
+            video_id, ext='mp4', m3u8_id='hls', fatal=False, live=True)
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'title': self._live_title(video_id),
+            'description': self._og_search_description(webpage),
+            'is_live': True,
+            'formats': formats,
+            # Stripchat declares the RTA meta-tag, but in an non-standard format so _rta_search() can't be used
+            'age_limit': 18,
+        }