[ie/gotowebinar] Add extractor

yt_dlp/extractor/_extractors.py

@@ -784,6 +784,7 @@
 from .gopro import GoProIE
 from .goshgay import GoshgayIE
 from .gotostage import GoToStageIE
+from .gotowebinar import GoTo_WebinarIE
 from .gputechconf import GPUTechConfIE
 from .graspop import GraspopIE
 from .gronkh import (

yt_dlp/extractor/gotowebinar.py

@@ -0,0 +1,55 @@
+from .common import InfoExtractor
+from ..utils import ExtractorError
+
+
+class GoTo_WebinarIE(InfoExtractor):
+    _VALID_URL = r'https?://(register|attendee)\.gotowebinar\.com/recording/viewRecording/(?P<webinar_key>[0-9]+)/(?P<recording_key>[0-9]+)/(?P<email>[^?]+)(?:\?registrantKey=(?P<registrant_key>[0-9]+))?'
+    _TESTS = [
+        {
+            # Source: https://community.intel.com/t5/Processors/Deriving-core-numbering-on-sockets-without-disabled-tiles/m-p/1263389
+            'url': 'https://register.gotowebinar.com/recording/viewRecording/8573274081823101697/1166504161772360449/mfratkin@tacc.utexas.edu?registrantKey=6636963737074316811&type=ATTENDEEEMAILRECORDINGLINK',
+            'info_dict': {
+                'id': '8573274081823101697-1166504161772360449',
+                'title': 'Topology and Cache Coherence in Knights Landing and Skylake Xeon Processors',
+                'description': 'md5:2d673910d31bfb4918a0605ea60561dd',
+                'creators': 'IXPUG Committee',
+                'ext': 'mp4',
+            },
+        },
+    ]
+
+    def _real_extract(self, url):
+        webinar_key, recording_key, email, registrant_key = self._match_valid_url(url).group('webinar_key', 'recording_key', 'email', 'registrant_key')
+        video_id = f'{webinar_key}-{recording_key}'
+
+        if not registrant_key:
+            registrant_metadata = self._download_json(
+                f'https://globalattspa.gotowebinar.com/api/webinars/{webinar_key}/registrants?email={email}',
+                video_id,
+                note='Downloading registrant metadata',
+                errnote='Unable to download registrant metadata')
+            if not (registrant_key := registrant_metadata.get('registrantKey')):
+                raise ExtractorError('Unable to retrieve registrant key')
+
+        important_metadata = self._download_json(
+            f'https://api.services.gotomeeting.com/registrationservice/api/v1/webinars/{webinar_key}/registrants/{registrant_key}/recordingAssets?type=FOLLOWUPEMAILRECORDINGLINK&client=spa',
+            video_id,
+            note='Downloading important recording metadata',
+            errnote='Unable to important download recording metadata')
+
+        non_important_metadata = self._download_json(
+            f'https://global.gotowebinar.com/api/webinars/{webinar_key}',
+            video_id,
+            note='Downloading non-important recording metadata',
+            errnote='Unable to non-important download recording metadata',
+            fatal=False)
+
+        return {
+            'id': video_id,
+            'url': important_metadata.get('cdnLocation'),
+            'ext': 'mp4',
+            'is_live': False,
+            'title': non_important_metadata.get('subject'),
+            'description': non_important_metadata.get('description'),
+            'creators': non_important_metadata.get('organizerName'),
+        }