fix(ui): allow empty LDAP Application DN value and password in General setting… (#21742)

* Allow empty LDAP Application DN value and password in General settings form

* fix(ui): use LDAP app_dn, app_dn_password with empty string instead of enforcing non-empty values

backend/open_webui/routers/auths.py

@@ -1157,8 +1157,6 @@ async def update_ldap_server(
         "host",
         "attribute_for_mail",
         "attribute_for_username",
-        "app_dn",
-        "app_dn_password",
         "search_base",
     ]
     for key in required_fields:
@@ -1173,8 +1171,8 @@ async def update_ldap_server(
     request.app.state.config.LDAP_ATTRIBUTE_FOR_USERNAME = (
         form_data.attribute_for_username
     )
-    request.app.state.config.LDAP_APP_DN = form_data.app_dn
-    request.app.state.config.LDAP_APP_PASSWORD = form_data.app_dn_password
+    request.app.state.config.LDAP_APP_DN = form_data.app_dn or ""
+    request.app.state.config.LDAP_APP_PASSWORD = form_data.app_dn_password or ""
     request.app.state.config.LDAP_SEARCH_BASE = form_data.search_base
     request.app.state.config.LDAP_SEARCH_FILTERS = form_data.search_filters
     request.app.state.config.LDAP_USE_TLS = form_data.use_tls

src/lib/components/admin/Settings/General.svelte

@@ -542,7 +542,6 @@
 											>
 												<input
 													class="w-full bg-transparent outline-hidden py-0.5"
-													required
 													placeholder={$i18n.t('Enter Application DN')}
 													bind:value={LDAP_SERVER.app_dn}
 												/>
@@ -554,6 +553,7 @@
 											</div>
 											<SensitiveInput
 												placeholder={$i18n.t('Enter Application DN Password')}
+												required={false}
 												bind:value={LDAP_SERVER.app_dn_password}
 											/>
 										</div>