[extractor/yle_areena] Support restricted videos (#5735)

* and improve metadata

Closes #5734
Authored by: docbender

yt_dlp/extractor/yle_areena.py

@@ -1,11 +1,18 @@
 from .common import InfoExtractor
 from .kaltura import KalturaIE
-from ..utils import int_or_none, traverse_obj, url_or_none
+from ..utils import (
+    int_or_none,
+    smuggle_url,
+    traverse_obj,
+    unified_strdate,
+    url_or_none,
+)
 
 
 class YleAreenaIE(InfoExtractor):
     _VALID_URL = r'https?://areena\.yle\.fi/(?P<id>[\d-]+)'
-    _TESTS = [{
+    _TESTS = [
+        {
             'url': 'https://areena.yle.fi/1-4371942',
             'md5': '932edda0ecf5dfd6423804182d32f8ac',
             'info_dict': {
@@ -23,18 +30,50 @@ class YleAreenaIE(InfoExtractor):
                 'duration': 1435,
                 'view_count': int,
                 'upload_date': '20181204',
+                'release_date': '20190106',
                 'timestamp': 1543916210,
                 'subtitles': {'fin': [{'url': r're:^https?://', 'ext': 'srt'}]},
                 'age_limit': 7,
+                'webpage_url': 'https://areena.yle.fi/1-4371942'
             }
-    }]
+        },
+        {
+            'url': 'https://areena.yle.fi/1-2158940',
+            'md5': 'cecb603661004e36af8c5188b5212b12',
+            'info_dict': {
+                'id': '1_l38iz9ur',
+                'ext': 'mp4',
+                'title': 'Albi haluaa vessan',
+                'description': 'md5:15236d810c837bed861fae0e88663c33',
+                'series': 'Albi Lumiukko',
+                'season': None,
+                'season_number': None,
+                'episode': None,
+                'episode_number': None,
+                'thumbnail': 'http://cfvod.kaltura.com/p/1955031/sp/195503100/thumbnail/entry_id/1_l38iz9ur/version/100021',
+                'uploader_id': 'ovp@yle.fi',
+                'duration': 319,
+                'view_count': int,
+                'upload_date': '20211202',
+                'release_date': '20211215',
+                'timestamp': 1638448202,
+                'subtitles': {},
+                'age_limit': 0,
+                'webpage_url': 'https://areena.yle.fi/1-2158940'
+            }
+        }
+    ]
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
         info = self._search_json_ld(self._download_webpage(url, video_id), video_id, default={})
         video_data = self._download_json(
             f'https://player.api.yle.fi/v1/preview/{video_id}.json?app_id=player_static_prod&app_key=8930d72170e48303cf5f3867780d549b',
-            video_id)
+            video_id, headers={
+                'origin': 'https://areena.yle.fi',
+                'referer': 'https://areena.yle.fi/',
+                'content-type': 'application/json'
+            })
 
         # Example title: 'K1, J2: Pouchit | Modernit miehet'
         series, season_number, episode_number, episode = self._search_regex(
@@ -54,7 +93,9 @@ class YleAreenaIE(InfoExtractor):
 
         return {
             '_type': 'url_transparent',
-            'url': 'kaltura:1955031:%s' % traverse_obj(video_data, ('data', 'ongoing_ondemand', 'kaltura', 'id')),
+            'url': smuggle_url(
+                f'kaltura:1955031:{video_data["data"]["ongoing_ondemand"]["kaltura"]["id"]}',
+                {'source_url': url}),
             'ie_key': KalturaIE.ie_key(),
             'title': (traverse_obj(video_data, ('data', 'ongoing_ondemand', 'title', 'fin'), expected_type=str)
                       or episode or info.get('title')),
@@ -62,10 +103,11 @@ class YleAreenaIE(InfoExtractor):
             'series': (traverse_obj(video_data, ('data', 'ongoing_ondemand', 'series', 'title', 'fin'), expected_type=str)
                        or series),
             'season_number': (int_or_none(self._search_regex(r'Kausi (\d+)', description, 'season number', default=None))
-                              or int(season_number)),
+                              or int_or_none(season_number)),
             'episode_number': (traverse_obj(video_data, ('data', 'ongoing_ondemand', 'episode_number'), expected_type=int_or_none)
-                               or int(episode_number)),
+                               or int_or_none(episode_number)),
             'thumbnails': traverse_obj(info, ('thumbnails', ..., {'url': 'url'})),
             'age_limit': traverse_obj(video_data, ('data', 'ongoing_ondemand', 'content_rating', 'age_restriction'), expected_type=int_or_none),
             'subtitles': subtitles,
+            'release_date': unified_strdate(traverse_obj(video_data, ('data', 'ongoing_ondemand', 'start_time'), expected_type=str)),
         }