E-300 (#19726)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: Hash Brown <hi@xzd.me>
Co-authored-by: crazywoola <427733928@qq.com>
Co-authored-by: GareArc <chen4851@purdue.edu>
Co-authored-by: Byron.wang <byron@dify.ai>
Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: Garfield Dai <dai.hai@foxmail.com>
Co-authored-by: KVOJJJin <jzongcode@gmail.com>
Co-authored-by: Alexi.F <654973939@qq.com>
Co-authored-by: Xiyuan Chen <52963600+GareArc@users.noreply.github.com>
Co-authored-by: kautsar_masuara <61046989+izon-masuara@users.noreply.github.com>
Co-authored-by: achmad-kautsar <achmad.kautsar@insignia.co.id>
Co-authored-by: Xin Zhang <sjhpzx@gmail.com>
Co-authored-by: kelvintsim <83445753+kelvintsim@users.noreply.github.com>
Co-authored-by: zxhlyh <jasonapring2015@outlook.com>
Co-authored-by: Zixuan Cheng <61724187+Theysua@users.noreply.github.com>

web/app/components/base/chat/embedded-chatbot/index.tsx

@@ -21,9 +21,11 @@ import Header from '@/app/components/base/chat/embedded-chatbot/header'
 import ChatWrapper from '@/app/components/base/chat/embedded-chatbot/chat-wrapper'
 import DifyLogo from '@/app/components/base/logo/dify-logo'
 import cn from '@/utils/classnames'
+import useDocumentTitle from '@/hooks/use-document-title'
 
 const Chatbot = () => {
   const {
+    userCanAccess,
     isMobile,
     allowResetChat,
     appInfoError,
@@ -43,14 +45,10 @@ const Chatbot = () => {
 
   useEffect(() => {
     themeBuilder?.buildTheme(site?.chat_color_theme, site?.chat_color_theme_inverted)
-    if (site) {
-      if (customConfig)
-        document.title = `${site.title}`
-      else
-        document.title = `${site.title} - Powered by Dify`
-    }
   }, [site, customConfig, themeBuilder])
 
+  useDocumentTitle(site?.title || 'Chat')
+
   if (appInfoLoading) {
     return (
       <>
@@ -66,6 +64,9 @@ const Chatbot = () => {
     )
   }
 
+  if (!userCanAccess)
+    return <AppUnavailable code={403} unknownReason='no permission.' />
+
   if (appInfoError) {
     return (
       <>
@@ -137,6 +138,8 @@ const EmbeddedChatbotWrapper = () => {
     appInfoError,
     appInfoLoading,
     appData,
+    accessMode,
+    userCanAccess,
     appParams,
     appMeta,
     appChatListDataLoading,
@@ -168,6 +171,8 @@ const EmbeddedChatbotWrapper = () => {
   } = useEmbeddedChatbot()
 
   return <EmbeddedChatbotContext.Provider value={{
+    userCanAccess,
+    accessMode,
     appInfoError,
     appInfoLoading,
     appData,