[elemental_tv] Add extractor

yt_dlp/extractor/_extractors.py

@@ -584,6 +584,7 @@ from .egghead import (
 from .eighttracks import EightTracksIE
 from .eitb import EitbIE
 from .elementorembed import ElementorEmbedIE
+from .elemental_tv import ElementalTVIE
 from .elonet import ElonetIE
 from .elpais import ElPaisIE
 from .eltrecetv import ElTreceTVIE

yt_dlp/extractor/elemental_tv.py

@@ -0,0 +1,114 @@
+import json
+import re
+import time
+
+from yt_dlp.extractor.common import InfoExtractor
+from yt_dlp.utils import ExtractorError
+
+
+class ElementalTVIE(InfoExtractor):
+    _LOGIN_REQUIRED = True
+    _NETRC_MACHINE = 'elemental_tv'
+    _VALID_URL = r'https?://play\.elemental\.tv/channel/[0-9a-f]{24}'
+    _TESTS = [{
+        'url': 'https://play.elemental.tv/channel/573f5a14761973ec1d502507',
+        'info_dict': {
+            'id': '573f5a14761973ec1d502507',
+            'ext': 'mp4',
+            'title': 'БНТ 1 HD',
+            'thumbnail': 'https://play.elemental.tv/v1/tumblrs/573f5a14761973ec1d502507',
+            'age_limit': 0,
+        },
+    }]
+
+    API_URL_CHANNELS = 'https://play.elemental.tv/v1/channels'
+    API_URL_LOGIN = 'https://play.elemental.tv/v1/users/login'
+    API_URL_STREAM_URL = 'https://play.elemental.tv/v1/playlists/%s/playlist.m3u8?begin=%d&access_token=%s'
+
+    access_token = ''
+    channel_id = ''
+
+    def get_channel_id(self, url):
+        url_parts = re.search('(?<=channel/)[0-9a-f]{24}', url)
+
+        if not url_parts or not url_parts.group(0):
+            return None
+
+        return url_parts.group(0)
+
+    def get_stream_metadata(self):
+        try:
+            headers = {
+                'Authorization': 'Bearer ' + self.access_token,
+            }
+
+            res_api = self._download_json(
+                self.API_URL_CHANNELS, self.channel_id, headers=headers)
+
+            data = res_api.get('data').get(self.channel_id)
+
+            if not data:
+                return {}
+
+            return {
+                'title': data.get('name'),
+                'age_limit': data.get('age'),
+                'thumbnail': data.get('tumblrurl'),
+            }
+        except Exception:
+            self.write_debug('Getting metadata failed')
+            return {}
+
+    def get_stream_url(self):
+        # Stream URL needs current epoch time rounded to 10000s
+        begin = int((time.time() - 60) / 10000) * 10000
+
+        return self.API_URL_STREAM_URL % (self.channel_id, begin, self.access_token)
+
+    def _perform_login(self, username, password):
+        url = self.API_URL_LOGIN
+
+        post_data = {
+            'email': str(username),
+            'grant_type': 'client_credentials',
+            'password': str(password),
+            'rememberme': 'true',
+        }
+
+        post_data = json.dumps(post_data).encode()
+
+        res_api = self._download_json(url, self.channel_id, data=post_data).get('data')
+
+        if not res_api or not res_api.get('access_token'):
+            raise ExtractorError('Accessing login token failed')
+
+        self.access_token = res_api.get('access_token')
+        token_type = res_api.get('token_type')
+
+        if token_type != 'Bearer':
+            raise ExtractorError('Unknown login token type')
+
+    def _real_extract(self, url):
+        if not self.access_token:
+            raise ExtractorError('Logging in failed')
+
+        self.channel_id = self.get_channel_id(url)
+
+        if not self.channel_id:
+            raise ExtractorError('Channel ID not found')
+
+        self.write_debug(f'Channel ID: {self.channel_id}')
+
+        stream_url = self.get_stream_url()
+
+        if not stream_url or '.m3u8' not in stream_url:
+            raise ExtractorError('Unable to get stream URL')
+
+        formats, subtitles = self._extract_m3u8_formats_and_subtitles(stream_url, self.channel_id, ext='mp4')
+
+        return {
+            'id': self.channel_id,
+            'formats': formats,
+            'subtitles': subtitles,
+            **self.get_stream_metadata(),
+        }