[gotostage] Add extractor (#883)

Authored by: poschi3

yt_dlp/extractor/extractors.py

@@ -511,6 +511,7 @@
 )
 from .googlesearch import GoogleSearchIE
 from .goshgay import GoshgayIE
+from .gotostage import GoToStageIE
 from .gputechconf import GPUTechConfIE
 from .groupon import GrouponIE
 from .hbo import HBOIE

yt_dlp/extractor/gotostage.py

@@ -0,0 +1,73 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..compat import compat_str
+from ..utils import (
+    try_get,
+    url_or_none
+)
+
+import json
+
+
+class GoToStageIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?gotostage\.com/channel/[a-z0-9]+/recording/(?P<id>[a-z0-9]+)/watch'
+    _TESTS = [{
+        'url': 'https://www.gotostage.com/channel/8901680603948959494/recording/60bb55548d434f21b9ce4f0e225c4895/watch',
+        'md5': 'ca72ce990cdcd7a2bd152f7217e319a2',
+        'info_dict': {
+            'id': '60bb55548d434f21b9ce4f0e225c4895',
+            'ext': 'mp4',
+            'title': 'What is GoToStage?',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 93.924711
+        }
+    }, {
+        'url': 'https://www.gotostage.com/channel/bacc3d3535b34bafacc3f4ef8d4df78a/recording/831e74cd3e0042be96defba627b6f676/watch?source=HOMEPAGE',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        metadata = self._download_json(
+            'https://api.gotostage.com/contents?ids=%s' % video_id,
+            video_id,
+            note='Downloading video metadata',
+            errnote='Unable to download video metadata')[0]
+
+        registration_data = {
+            'product': metadata['product'],
+            'resourceType': metadata['contentType'],
+            'productReferenceKey': metadata['productRefKey'],
+            'firstName': 'foo',
+            'lastName': 'bar',
+            'email': 'foobar@example.com'
+        }
+
+        registration_response = self._download_json(
+            'https://api-registrations.logmeininc.com/registrations',
+            video_id,
+            data=json.dumps(registration_data).encode(),
+            expected_status=409,
+            headers={'Content-Type': 'application/json'},
+            note='Register user',
+            errnote='Unable to register user')
+
+        content_response = self._download_json(
+            'https://api.gotostage.com/contents/%s/asset' % video_id,
+            video_id,
+            headers={'x-registrantkey': registration_response['registrationKey']},
+            note='Get download url',
+            errnote='Unable to get download url')
+
+        return {
+            'id': video_id,
+            'title': try_get(metadata, lambda x: x['title'], compat_str),
+            'url': try_get(content_response, lambda x: x['cdnLocation'], compat_str),
+            'ext': 'mp4',
+            'thumbnail': url_or_none(try_get(metadata, lambda x: x['thumbnail']['location'])),
+            'duration': try_get(metadata, lambda x: x['duration'], float),
+            'categories': [try_get(metadata, lambda x: x['category'], compat_str)],
+            'is_live': False
+        }