[ie/blackboardcollaborate] Support subtitles and authwalled videos (#12473)

Authored by: flanter21

yt_dlp/extractor/_extractors.py

@@ -273,7 +273,10 @@ from .bitchute import (
     BitChuteChannelIE,
     BitChuteIE,
 )
-from .blackboardcollaborate import BlackboardCollaborateIE
+from .blackboardcollaborate import (
+    BlackboardCollaborateIE,
+    BlackboardCollaborateLaunchIE,
+)
 from .bleacherreport import (
     BleacherReportCMSIE,
     BleacherReportIE,

yt_dlp/extractor/blackboardcollaborate.py

@@ -1,16 +1,27 @@
 from .common import InfoExtractor
-from ..utils import parse_iso8601
+from ..utils import (
+    UnsupportedError,
+    float_or_none,
+    int_or_none,
+    join_nonempty,
+    jwt_decode_hs256,
+    mimetype2ext,
+    parse_iso8601,
+    parse_qs,
+    url_or_none,
+)
+from ..utils.traversal import traverse_obj
 
 
 class BlackboardCollaborateIE(InfoExtractor):
     _VALID_URL = r'''(?x)
                         https?://
-                        (?P<region>[a-z-]+)\.bbcollab\.com/
+                        (?P<region>[a-z]+)(?:-lti)?\.bbcollab\.com/
                         (?:
                             collab/ui/session/playback/load|
                             recording
                         )/
-                        (?P<id>[^/]+)'''
+                        (?P<id>[^/?#]+)'''
     _TESTS = [
         {
             'url': 'https://us-lti.bbcollab.com/collab/ui/session/playback/load/0a633b6a88824deb8c918f470b22b256',
@@ -19,9 +30,55 @@ class BlackboardCollaborateIE(InfoExtractor):
                 'id': '0a633b6a88824deb8c918f470b22b256',
                 'title': 'HESI A2 Information Session - Thursday, May 6, 2021 - recording_1',
                 'ext': 'mp4',
-                'duration': 1896000,
+                'duration': 1896,
-                'timestamp': 1620331399,
+                'timestamp': 1620333295,
                 'upload_date': '20210506',
+                'subtitles': {
+                    'live_chat': 'mincount:1',
+                },
+            },
+        },
+        {
+            'url': 'https://eu.bbcollab.com/collab/ui/session/playback/load/4bde2dee104f40289a10f8e554270600',
+            'md5': '108db6a8f83dcb0c2a07793649581865',
+            'info_dict': {
+                'id': '4bde2dee104f40289a10f8e554270600',
+                'title': 'Meeting - Azerbaycanca erize formasi',
+                'ext': 'mp4',
+                'duration': 880,
+                'timestamp': 1671176868,
+                'upload_date': '20221216',
+            },
+        },
+        {
+            'url': 'https://eu.bbcollab.com/recording/f83be390ecff46c0bf7dccb9dddcf5f6',
+            'md5': 'e3b0b88ddf7847eae4b4c0e2d40b83a5',
+            'info_dict': {
+                'id': 'f83be390ecff46c0bf7dccb9dddcf5f6',
+                'title': 'Keynote lecture by Laura Carvalho - recording_1',
+                'ext': 'mp4',
+                'duration': 5506,
+                'timestamp': 1662721705,
+                'upload_date': '20220909',
+                'subtitles': {
+                    'live_chat': 'mincount:1',
+                },
+            },
+        },
+        {
+            'url': 'https://eu.bbcollab.com/recording/c3e1e7c9e83d4cd9981c93c74888d496',
+            'md5': 'fdb2d8c43d66fbc0b0b74ef5e604eb1f',
+            'info_dict': {
+                'id': 'c3e1e7c9e83d4cd9981c93c74888d496',
+                'title': 'International Ally User Group - recording_18',
+                'ext': 'mp4',
+                'duration': 3479,
+                'timestamp': 1721919621,
+                'upload_date': '20240725',
+                'subtitles': {
+                    'en': 'mincount:1',
+                    'live_chat': 'mincount:1',
+                },
             },
         },
         {
@@ -42,22 +99,81 @@ class BlackboardCollaborateIE(InfoExtractor):
         },
     ]
 
+    def _call_api(self, region, video_id, path=None, token=None, note=None, fatal=False):
+        # Ref: https://github.com/blackboard/BBDN-Collab-Postman-REST
+        return self._download_json(
+            join_nonempty(f'https://{region}.bbcollab.com/collab/api/csa/recordings', video_id, path, delim='/'),
+            video_id, note or 'Downloading JSON metadata', fatal=fatal,
+            headers={'Authorization': f'Bearer {token}'} if token else None)
+
     def _real_extract(self, url):
         mobj = self._match_valid_url(url)
         region = mobj.group('region')
         video_id = mobj.group('id')
-        info = self._download_json(
+        token = parse_qs(url).get('authToken', [None])[-1]
-            f'https://{region}.bbcollab.com/collab/api/csa/recordings/{video_id}/data', video_id)
+
-        duration = info.get('duration')
+        video_info = self._call_api(region, video_id, path='data/secure', token=token, note='Trying auth token')
-        title = info['name']
+        if video_info:
-        upload_date = info.get('created')
+            video_extra = self._call_api(region, video_id, token=token, note='Retrieving extra attributes')
-        streams = info['streams']
+        else:
-        formats = [{'format_id': k, 'url': url} for k, url in streams.items()]
+            video_info = self._call_api(region, video_id, path='data', note='Trying fallback', fatal=True)
+            video_extra = {}
+
+        formats = traverse_obj(video_info, ('extStreams', lambda _, v: url_or_none(v['streamUrl']), {
+            'url': 'streamUrl',
+            'ext': ('contentType', {mimetype2ext}),
+            'aspect_ratio': ('aspectRatio', {float_or_none}),
+        }))
+
+        if filesize := traverse_obj(video_extra, ('storageSize', {int_or_none})):
+            for fmt in formats:
+                fmt['filesize'] = filesize
+
+        subtitles = {}
+        for subs in traverse_obj(video_info, ('subtitles', lambda _, v: url_or_none(v['url']))):
+            subtitles.setdefault(subs.get('lang') or 'und', []).append({
+                'name': traverse_obj(subs, ('label', {str})),
+                'url': subs['url'],
+            })
+
+        for live_chat_url in traverse_obj(video_info, ('chats', ..., 'url', {url_or_none})):
+            subtitles.setdefault('live_chat', []).append({'url': live_chat_url})
 
         return {
-            'duration': duration,
+            **traverse_obj(video_info, {
+                'title': ('name', {str}),
+                'timestamp': ('created', {parse_iso8601}),
+                'duration': ('duration', {int_or_none(scale=1000)}),
+            }),
             'formats': formats,
             'id': video_id,
-            'timestamp': parse_iso8601(upload_date),
+            'subtitles': subtitles,
-            'title': title,
         }
+
+
+class BlackboardCollaborateLaunchIE(InfoExtractor):
+    _VALID_URL = r'https?://[a-z]+\.bbcollab\.com/launch/(?P<id>[^/?#]+)'
+
+    _TESTS = [
+        {
+            'url': 'https://au.bbcollab.com/launch/eyJhbGciOiJIUzI1NiJ9.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.xuELw4EafEwUMoYcCHidGn4Tw9O1QCbYHzYGJUl0kKk',
+            'only_matching': True,
+        },
+        {
+            'url': 'https://us.bbcollab.com/launch/eyJhbGciOiJIUzI1NiJ9.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.yOhRZNaIjXYoMYMpcTzgjZJCnIFaYf2cAzbco8OAxlY',
+            'only_matching': True,
+        },
+        {
+            'url': 'https://eu.bbcollab.com/launch/eyJhbGciOiJIUzI1NiJ9.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.Xj4ymojYLwZ1vKPKZ-KxjpqQvFXoJekjRaG0npngwWs',
+            'only_matching': True,
+        },
+    ]
+
+    def _real_extract(self, url):
+        token = self._match_id(url)
+        video_id = jwt_decode_hs256(token)['resourceAccessTicket']['resourceId']
+
+        redirect_url = self._request_webpage(url, video_id).url
+        if self.suitable(redirect_url):
+            raise UnsupportedError(redirect_url)
+        return self.url_result(redirect_url, BlackboardCollaborateIE, video_id)