[ie/weibo] Fix extraction (#8463)

Closes #8445
Authored by: c-basalt

yt_dlp/extractor/weibo.py

@@ -1,3 +1,4 @@
+import json
 import random
 import itertools
 import urllib.parse
@@ -18,24 +19,33 @@
 
 
 class WeiboBaseIE(InfoExtractor):
-    def _update_visitor_cookies(self, video_id):
+    def _update_visitor_cookies(self, visitor_url, video_id):
+        headers = {'Referer': visitor_url}
+        chrome_ver = self._search_regex(
+            r'Chrome/(\d+)', self.get_param('http_headers')['User-Agent'], 'user agent version', default='90')
         visitor_data = self._download_json(
             'https://passport.weibo.com/visitor/genvisitor', video_id,
             note='Generating first-visit guest request',
-            transform_source=strip_jsonp,
+            headers=headers, transform_source=strip_jsonp,
             data=urlencode_postdata({
                 'cb': 'gen_callback',
-                'fp': '{"os":"2","browser":"Gecko57,0,0,0","fonts":"undefined","screenInfo":"1440*900*24","plugins":""}',
-            }))
+                'fp': json.dumps({
+                    'os': '1',
+                    'browser': f'Chrome{chrome_ver},0,0,0',
+                    'fonts': 'undefined',
+                    'screenInfo': '1920*1080*24',
+                    'plugins': ''
+                }, separators=(',', ':'))}))['data']
 
         self._download_webpage(
             'https://passport.weibo.com/visitor/visitor', video_id,
             note='Running first-visit callback to get guest cookies',
-            query={
+            headers=headers, query={
                 'a': 'incarnate',
-                't': visitor_data['data']['tid'],
-                'w': 2,
-                'c': '%03d' % visitor_data['data']['confidence'],
+                't': visitor_data['tid'],
+                'w': 3 if visitor_data.get('new_tid') else 2,
+                'c': f'{visitor_data.get("confidence", 100):03d}',
+                'gc': '',
                 'cb': 'cross_domain',
                 'from': 'weibo',
                 '_rand': random.random(),
@@ -44,7 +54,7 @@ def _update_visitor_cookies(self, video_id):
     def _weibo_download_json(self, url, video_id, *args, fatal=True, note='Downloading JSON metadata', **kwargs):
         webpage, urlh = self._download_webpage_handle(url, video_id, *args, fatal=fatal, note=note, **kwargs)
         if urllib.parse.urlparse(urlh.url).netloc == 'passport.weibo.com':
-            self._update_visitor_cookies(video_id)
+            self._update_visitor_cookies(urlh.url, video_id)
             webpage = self._download_webpage(url, video_id, *args, fatal=fatal, note=note, **kwargs)
         return self._parse_json(webpage, video_id, fatal=fatal)