yt_dlp/extractor/vvvvid.py

@@ -1,4 +1,3 @@
-import functools
 import re
 
 from .common import InfoExtractor
@@ -114,15 +113,21 @@ class VVVVIDIE(InfoExtractor):
         'only_matching': True
     }]
     _conn_id = None
+    _default_user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.50 Safari/537.37'
+    _blocked_user_agents_regex = r'^Mozilla/5\.0 \(Windows NT 10\.0; Win64; x64\) AppleWebKit/537\.36 \(KHTML, like Gecko\) Chrome/[\d.]+ Safari/537\.36$'
+    _headers = {}
 
-    @functools.cached_property
-    def _headers(self):
-        return {
-            **self.geo_verification_headers(),
-            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.50 Safari/537.37',
-        }
+    def _get_headers(self):
+        geo_verification_headers = self.geo_verification_headers()
+        http_headers = self.get_param('http_headers', {})
+        headers = {**http_headers, **geo_verification_headers}
+        user_agent = headers.get('User-Agent', None)
+        if not user_agent or re.match(self._blocked_user_agents_regex, user_agent):
+            headers['User-Agent'] = self._default_user_agent
+        return headers
 
-    def _real_initialize(self):
+    def _real_initialize(self, *args, **kwargs):
+        self._headers = self._get_headers()
         self._conn_id = self._download_json(
             'https://www.vvvvid.it/user/login',
             None, headers=self._headers)['data']['conn_id']