[ie/weverse] Support extraction without auth (yt-dlp#7924)

Authored by: seproDev

yt_dlp/extractor/weverse.py

@@ -70,10 +70,8 @@ def _real_initialize(self):
             return
 
         token = try_call(lambda: self._get_cookies('https://weverse.io/')['we2_access_token'].value)
-        if not token:
-            self.raise_login_required()
-
-        WeverseBaseIE._API_HEADERS['Authorization'] = f'Bearer {token}'
+        if token:
+            WeverseBaseIE._API_HEADERS['Authorization'] = f'Bearer {token}'
 
     def _call_api(self, ep, video_id, data=None, note='Downloading API JSON'):
         # Ref: https://ssl.pstatic.net/static/wevweb/2_3_2_11101725/public/static/js/2488.a09b41ff.chunk.js
@@ -101,11 +99,14 @@ def _call_api(self, ep, video_id, data=None, note='Downloading API JSON'):
                 self.raise_login_required(
                     'Session token has expired. Log in again or refresh cookies in browser')
             elif isinstance(e.cause, HTTPError) and e.cause.status == 403:
-                raise ExtractorError('Your account does not have access to this content', expected=True)
+                if 'Authorization' in self._API_HEADERS:
+                    raise ExtractorError('Your account does not have access to this content', expected=True)
+                self.raise_login_required()
             raise
 
     def _call_post_api(self, video_id):
-        return self._call_api(f'/post/v1.0/post-{video_id}?fieldSet=postV1', video_id)
+        path = '' if 'Authorization' in self._API_HEADERS else '/preview'
+        return self._call_api(f'/post/v1.0/post-{video_id}{path}?fieldSet=postV1', video_id)
 
     def _get_community_id(self, channel):
         return str(self._call_api(