feat: response watermark

backend/open_webui/routers/auths.py

@@ -187,9 +187,7 @@ async def ldap_auth(request: Request, response: Response, form_data: LdapForm):
     LDAP_USE_TLS = request.app.state.config.LDAP_USE_TLS
     LDAP_CA_CERT_FILE = request.app.state.config.LDAP_CA_CERT_FILE
     LDAP_VALIDATE_CERT = (
-        CERT_REQUIRED
-        if request.app.state.config.LDAP_VALIDATE_CERT
-        else CERT_NONE
+        CERT_REQUIRED if request.app.state.config.LDAP_VALIDATE_CERT else CERT_NONE
     )
     LDAP_CIPHERS = (
         request.app.state.config.LDAP_CIPHERS
@@ -703,6 +701,7 @@ async def get_admin_config(request: Request, user=Depends(get_admin_user)):
         "ENABLE_USER_WEBHOOKS": request.app.state.config.ENABLE_USER_WEBHOOKS,
         "PENDING_USER_OVERLAY_TITLE": request.app.state.config.PENDING_USER_OVERLAY_TITLE,
         "PENDING_USER_OVERLAY_CONTENT": request.app.state.config.PENDING_USER_OVERLAY_CONTENT,
+        "RESPONSE_WATERMARK": request.app.state.config.RESPONSE_WATERMARK,
     }
 
 
@@ -722,6 +721,7 @@ class AdminConfig(BaseModel):
     ENABLE_USER_WEBHOOKS: bool
     PENDING_USER_OVERLAY_TITLE: Optional[str] = None
     PENDING_USER_OVERLAY_CONTENT: Optional[str] = None
+    RESPONSE_WATERMARK: Optional[str] = None
 
 
 @router.post("/admin/config")
@@ -766,6 +766,8 @@ async def update_admin_config(
         form_data.PENDING_USER_OVERLAY_CONTENT
     )
 
+    request.app.state.config.RESPONSE_WATERMARK = form_data.RESPONSE_WATERMARK
+
     return {
         "SHOW_ADMIN_DETAILS": request.app.state.config.SHOW_ADMIN_DETAILS,
         "WEBUI_URL": request.app.state.config.WEBUI_URL,
@@ -782,6 +784,7 @@ async def update_admin_config(
         "ENABLE_USER_WEBHOOKS": request.app.state.config.ENABLE_USER_WEBHOOKS,
         "PENDING_USER_OVERLAY_TITLE": request.app.state.config.PENDING_USER_OVERLAY_TITLE,
         "PENDING_USER_OVERLAY_CONTENT": request.app.state.config.PENDING_USER_OVERLAY_CONTENT,
+        "RESPONSE_WATERMARK": request.app.state.config.RESPONSE_WATERMARK,
     }