Add back get_url_for_login in security manager (#33660)

* Add back `get_url_for_login` in security manager

* Rename FAB_SECURITY_MANAGER_CLASS to SECURITY_MANAGER_CLASS

(cherry picked from commit b1cdab3)

airflow/www/extensions/init_appbuilder.py

@@ -586,6 +586,10 @@ def security_converge(self, dry=False) -> dict:
     def get_url_for_login_with(self, next_url: str | None = None) -> str:
         return get_auth_manager().get_url_login(next_url=next_url)
 
+    @property
+    def get_url_for_login(self):
+        return get_auth_manager().get_url_login()
+
     @property
     def get_url_for_index(self):
         return url_for(f"{self.indexview.endpoint}.{self.indexview.default_view}")

docs/apache-airflow/security/webserver.rst

@@ -176,7 +176,7 @@ Here is an example of what you might have in your webserver_config.py:
     AUTH_ROLES_SYNC_AT_LOGIN = True  # Checks roles on every login
     AUTH_USER_REGISTRATION = True  # allow users who are not already in the FAB DB to register
     # Make sure to replace this with the path to your security manager class
-    FAB_SECURITY_MANAGER_CLASS = "your_module.your_security_manager_class"
+    SECURITY_MANAGER_CLASS = "your_module.your_security_manager_class"
     AUTH_ROLES_MAPPING = {
         "Viewer": ["Viewer"],
         "Admin": ["Admin"],