Only run person sync of enabled in config

aleksis/apps/ldap/apps.py

@@ -24,4 +24,5 @@ class LDAPConfig(AppConfig):
         update_dynamic_preferences()
 
         User = get_user_model()
-        post_save.connect(ldap_sync_user_on_login, sender=User)
+        if get_site_preferences()["ldap__person_sync_on_login"]:
+            post_save.connect(ldap_sync_user_on_login, sender=User)

aleksis/apps/ldap/preferences.py

@@ -134,3 +134,12 @@ class LDAPGroupSyncOwnerAttrType(ChoicePreference):
         ("dn", _("Distinguished Name")),
         ("uid", _("UID")),
     ]
+
+
+@site_preferences_registry.register
+class LDAPPersonSyncOnLogin(BooleanPreference):
+    section = ldap
+    name = "person_sync_on_login"
+    default = "true"
+    required = False
+    verbose_name = _("Sync LDAP user with person on login")