add refresh extractor arg

yt_dlp/extractor/niconicochannelplus.py

@@ -69,9 +69,13 @@ class NicoChannelCommonBaseIE(InfoExtractor):
 
 
 class NicoChannelAuthBaseIE(NicoChannelCommonBaseIE):
+    _NETRC_MACHINE = False
+
     _AUTH_SETTINGS = {}
     _AUTH_TOKENS = {}
-    _NETRC_MACHINE = False
+    _ARG_REFRESH_USED = False
+    _REFRESH_TIMEOUT_THRES = 15
+    _netrc_domain: str
 
     def _get_auth(self, url) -> dict:
         return self._AUTH_TOKENS.get(urljoin(url, '/'), {})
@@ -79,12 +83,10 @@ class NicoChannelAuthBaseIE(NicoChannelCommonBaseIE):
     def _set_auth(self, url, auth):
         self._AUTH_TOKENS[urljoin(url, '/')] = auth
 
-    @property
-    def has_attempted_login(self):
-        return getattr(self, '_netrc_domain', None) is not None
-
     def _login_hint(self, *args, **kwargs):
-        return super()._login_hint('password', netrc=getattr(self, '_netrc_domain', None))
+        return (super()._login_hint('password', netrc=getattr(self, '_netrc_domain', None))
+                + ', or --extractor-args "niconicochannelplus:jwt_token=xxx" or --extractor-args '
+                '"niconicochannelplus:refresh_token=xxx" to directly providing auth token')
 
     def _get_auth_settings(self, url):
         fanclub_site_id = self._get_settings(url)['fanclub_site_id']
@@ -98,20 +100,27 @@ class NicoChannelAuthBaseIE(NicoChannelCommonBaseIE):
         return self._AUTH_SETTINGS[fanclub_site_id]
 
     def _get_jwt_token(self, url):
-        if not self.has_attempted_login:
+        def _load_access_token():
-            try:
-                self._perform_sheeta_login(url)
-            except Exception as e:
-                self.report_warning(f'Failed to login, continuing without login: {e}')
-
             if access_token := self._get_auth(url).get('access_token'):
-            if jwt_decode_hs256(access_token)['exp'] < time.time() + 15:
+                if time.time() < jwt_decode_hs256(access_token)['exp'] - self._REFRESH_TIMEOUT_THRES:
+                    return access_token
+
+        def _try_then_load(func, error_msg, *args, **kwargs):
             try:
-                    self._refresh_sheeta_token(url)
+                func(*args, **kwargs)
+                return _load_access_token()
             except Exception as e:
-                    self.report_warning(f'Failed to refresh token: {e}')
+                self.report_warning(f'{error_msg}: {e}')
-                    self._perform_sheeta_login(url)
+
-            return self._get_auth(url)['access_token']
+        if access_token := _load_access_token():
+            return access_token
+
+        if access_token := _try_then_load(self._refresh_sheeta_token, 'Failed to refresh token', url):
+            return access_token
+
+        if not self._has_attempted_login:
+            if access_token := _try_then_load(self._perform_sheeta_login, 'Failed to login', url):
+                return access_token
 
         if jwt_args := self._configuration_arg('jwt_token', ie_key='niconicochannelplus', casesense=True):
             jwt_token = jwt_args[0]
@@ -130,6 +139,10 @@ class NicoChannelAuthBaseIE(NicoChannelCommonBaseIE):
             'version': '2.0.6',
         }, separators=(',', ':')).encode()).decode()
 
+    @property
+    def _has_attempted_login(self):
+        return getattr(self, '_netrc_domain', None) is not None
+
     def _perform_sheeta_login(self, url):
         def _random_string():
             return ''.join(random.choices('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_~.', k=43))
@@ -196,9 +209,15 @@ class NicoChannelAuthBaseIE(NicoChannelCommonBaseIE):
             'refresh_token': data['refresh_token'],
         })
 
+    def _load_args_refresh_token(self):
+        if self._ARG_REFRESH_USED:
+            return
+        if refresh_token_args := self._configuration_arg('refresh_token', ie_key='niconicochannelplus', casesense=True):
+            self._ARG_REFRESH_USED = True
+            return refresh_token_args[0]
+
     def _refresh_sheeta_token(self, url):
-        auth = self._get_auth(url)
+        if not (refresh_token := self._get_auth(url).get('refresh_token') or self._load_args_refresh_token()):
-        if not auth or not auth.get('refresh_token'):
             return
 
         auth_settings = self._get_auth_settings(url)
@@ -208,7 +227,7 @@ class NicoChannelAuthBaseIE(NicoChannelCommonBaseIE):
                 'client_id': auth_settings['auth0_web_client'],
                 'redirect_uri': urljoin(url, '/login/login-redirect'),
                 'grant_type': 'refresh_token',
-                'refresh_token': auth['refresh_token'],
+                'refresh_token': refresh_token,
             }), headers={
                 'Content-Type': 'application/x-www-form-urlencoded',
                 'Auth0-Client': self._auth0_client,