[ie/cda] Fix age-gated web extraction (#9939)

Closes #5980, Closes #6638
Authored by: Podiumnoche, Szpachlarz, dirkf, emqi

yt_dlp/extractor/cda.py

@@ -16,7 +16,6 @@ from ..utils import (
     merge_dicts,
     multipart_encode,
     parse_duration,
-    random_birthday,
     traverse_obj,
     try_call,
     try_get,
@@ -63,38 +62,57 @@ class CDAIE(InfoExtractor):
             'description': 'md5:60d76b71186dcce4e0ba6d4bbdb13e1a',
             'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'crash404',
-            'view_count': int,
             'average_rating': float,
             'duration': 137,
             'age_limit': 0,
+            'upload_date': '20160220',
+            'timestamp': 1455968218,
         }
     }, {
-        # Age-restricted
-        'url': 'http://www.cda.pl/video/1273454c4',
+        # Age-restricted with vfilm redirection
+        'url': 'https://www.cda.pl/video/8753244c4',
+        'md5': 'd8eeb83d63611289507010d3df3bb8b3',
         'info_dict': {
-            'id': '1273454c4',
+            'id': '8753244c4',
             'ext': 'mp4',
-            'title': 'Bronson (2008) napisy HD 1080p',
-            'description': 'md5:1b6cb18508daf2dc4e0fa4db77fec24c',
+            'title': '[18+] Bez Filtra: Rezerwowe Psy czyli...  najwulgarniejsza polska gra?',
+            'description': 'md5:ae80bac31bd6a9f077a6cce03c7c077e',
             'height': 1080,
-            'uploader': 'boniek61',
+            'uploader': 'arhn eu',
             'thumbnail': r're:^https?://.*\.jpg$',
-            'duration': 5554,
+            'duration': 991,
             'age_limit': 18,
-            'view_count': int,
             'average_rating': float,
-        },
+            'timestamp': 1633888264,
+            'upload_date': '20211010',
+        }
+    }, {
+        # Age-restricted without vfilm redirection
+        'url': 'https://www.cda.pl/video/17028157b8',
+        'md5': 'c1fe5ff4582bace95d4f0ce0fbd0f992',
+        'info_dict': {
+            'id': '17028157b8',
+            'ext': 'mp4',
+            'title': 'STENDUPY MICHAŁ OGIŃSKI',
+            'description': 'md5:5851f3272bfc31f762d616040a1d609a',
+            'height': 480,
+            'uploader': 'oginski',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 18855,
+            'age_limit': 18,
+            'average_rating': float,
+            'timestamp': 1699705901,
+            'upload_date': '20231111',
+        }
     }, {
         'url': 'http://ebd.cda.pl/0x0/5749950c',
         'only_matching': True,
     }]
 
     def _download_age_confirm_page(self, url, video_id, *args, **kwargs):
-        form_data = random_birthday('rok', 'miesiac', 'dzien')
-        form_data.update({'return': url, 'module': 'video', 'module_id': video_id})
-        data, content_type = multipart_encode(form_data)
+        data, content_type = multipart_encode({'age_confirm': ''})
         return self._download_webpage(
-            urljoin(url, '/a/validatebirth'), video_id, *args,
+            url, video_id, *args,
             data=data, headers={
                 'Referer': url,
                 'Content-Type': content_type,
@@ -164,7 +182,7 @@ class CDAIE(InfoExtractor):
         if 'Authorization' in self._API_HEADERS:
             return self._api_extract(video_id)
         else:
-            return self._web_extract(video_id, url)
+            return self._web_extract(video_id)
 
     def _api_extract(self, video_id):
         meta = self._download_json(
@@ -197,9 +215,9 @@ class CDAIE(InfoExtractor):
             'view_count': meta.get('views'),
         }
 
-    def _web_extract(self, video_id, url):
+    def _web_extract(self, video_id):
         self._set_cookie('cda.pl', 'cda.player', 'html5')
-        webpage = self._download_webpage(
+        webpage, urlh = self._download_webpage_handle(
             f'{self._BASE_URL}/video/{video_id}/vfilm', video_id)
 
         if 'Ten film jest dostępny dla użytkowników premium' in webpage:
@@ -209,10 +227,10 @@ class CDAIE(InfoExtractor):
             self.raise_geo_restricted()
 
         need_confirm_age = False
-        if self._html_search_regex(r'(<form[^>]+action="[^"]*/a/validatebirth[^"]*")',
+        if self._html_search_regex(r'(<button[^>]+name="[^"]*age_confirm[^"]*")',
                                    webpage, 'birthday validate form', default=None):
             webpage = self._download_age_confirm_page(
-                url, video_id, note='Confirming age')
+                urlh.url, video_id, note='Confirming age')
             need_confirm_age = True
 
         formats = []
@@ -222,9 +240,6 @@ class CDAIE(InfoExtractor):
             (?:<\1[^>]*>[^<]*</\1>|(?!</\1>)(?:.|\n))*?
             <(span|meta)[^>]+itemprop=(["\'])name\4[^>]*>(?P<uploader>[^<]+)</\3>
         ''', webpage, 'uploader', default=None, group='uploader')
-        view_count = self._search_regex(
-            r'Odsłony:(?:\s|&nbsp;)*([0-9]+)', webpage,
-            'view_count', default=None)
         average_rating = self._search_regex(
             (r'<(?:span|meta)[^>]+itemprop=(["\'])ratingValue\1[^>]*>(?P<rating_value>[0-9.]+)',
              r'<span[^>]+\bclass=["\']rating["\'][^>]*>(?P<rating_value>[0-9.]+)'), webpage, 'rating', fatal=False,
@@ -235,7 +250,6 @@ class CDAIE(InfoExtractor):
             'title': self._og_search_title(webpage),
             'description': self._og_search_description(webpage),
             'uploader': uploader,
-            'view_count': int_or_none(view_count),
             'average_rating': float_or_none(average_rating),
             'thumbnail': self._og_search_thumbnail(webpage),
             'formats': formats,