[skysport] add support ooyala embed_token protected videos(fixes #14641)

youtube_dl/extractor/skysports.py

@@ -2,7 +2,12 @@
 from __future__ import unicode_literals
 
 from .common import InfoExtractor
-from ..utils import strip_or_none
+from ..utils import (
+    extract_attributes,
+    smuggle_url,
+    strip_or_none,
+    urljoin,
+)
 
 
 class SkySportsIE(InfoExtractor):
@@ -22,12 +27,22 @@ class SkySportsIE(InfoExtractor):
     def _real_extract(self, url):
         video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
+        video_data = extract_attributes(self._search_regex(
+            r'(<div.+?class="sdc-article-video__media-ooyala"[^>]+>)', webpage, 'video data'))
+
+        video_url = 'ooyala:%s' % video_data['data-video-id']
+        if video_data.get('data-token-required') == 'true':
+            token_fetch_options = self._parse_json(video_data.get('data-token-fetch-options', '{}'), video_id, fatal=False) or {}
+            token_fetch_url = token_fetch_options.get('url')
+            if token_fetch_url:
+                embed_token = self._download_webpage(urljoin(url, token_fetch_url), video_id, fatal=False)
+                if embed_token:
+                    video_url = smuggle_url(video_url, {'embed_token': embed_token.strip('"')})
 
         return {
             '_type': 'url_transparent',
             'id': video_id,
-            'url': 'ooyala:%s' % self._search_regex(
-                r'data-video-id="([^"]+)"', webpage, 'ooyala id'),
+            'url': video_url,
             'title': self._og_search_title(webpage),
             'description': strip_or_none(self._og_search_description(webpage)),
             'ie_key': 'Ooyala',