From 15800c6108960c1865a766876db465496b85bd28 Mon Sep 17 00:00:00 2001
From: croatialu <wuli.croatia@foxmail.com>
Date: Wed, 18 Jun 2025 14:27:02 +0800
Subject: [PATCH] feat: Embedded chat window supports userVariables
 configuration. (#20983)

---
 .../components/app/overview/embedded/index.tsx  |  4 ++++
 .../base/chat/embedded-chatbot/chat-wrapper.tsx | 10 ++++++++++
 .../base/chat/embedded-chatbot/context.tsx      |  5 +++++
 .../base/chat/embedded-chatbot/hooks.tsx        |  6 +++++-
 .../base/chat/embedded-chatbot/index.tsx        |  2 ++
 web/app/components/base/chat/utils.ts           | 17 ++++++++++++++++-
 web/public/embed.js                             | 14 +++++++++++++-
 web/public/embed.min.js                         |  6 +++---
 8 files changed, 58 insertions(+), 6 deletions(-)

diff --git a/web/app/components/app/overview/embedded/index.tsx b/web/app/components/app/overview/embedded/index.tsx
index 691b727b8..b48eac545 100644
--- a/web/app/components/app/overview/embedded/index.tsx
+++ b/web/app/components/app/overview/embedded/index.tsx
@@ -50,6 +50,10 @@ const OPTION_MAP = {
     // user_id: 'YOU CAN DEFINE USER ID HERE',
     // conversation_id: 'YOU CAN DEFINE CONVERSATION ID HERE, IT MUST BE A VALID UUID',
   },
+  userVariables: {
+    // avatar_url: 'YOU CAN DEFINE USER AVATAR URL HERE',
+    // name: 'YOU CAN DEFINE USER NAME HERE',
+  },
  }
 </script>
 <script
diff --git a/web/app/components/base/chat/embedded-chatbot/chat-wrapper.tsx b/web/app/components/base/chat/embedded-chatbot/chat-wrapper.tsx
index d81d8af2f..8429c82e0 100644
--- a/web/app/components/base/chat/embedded-chatbot/chat-wrapper.tsx
+++ b/web/app/components/base/chat/embedded-chatbot/chat-wrapper.tsx
@@ -25,6 +25,7 @@ import SuggestedQuestions from '@/app/components/base/chat/chat/answer/suggested
 import { Markdown } from '@/app/components/base/markdown'
 import cn from '@/utils/classnames'
 import type { FileEntity } from '../../file-uploader/types'
+import Avatar from '../../avatar'
 
 const ChatWrapper = () => {
   const {
@@ -49,6 +50,7 @@ const ChatWrapper = () => {
     setClearChatList,
     setIsResponding,
     allInputsHidden,
+    initUserVariables,
   } = useEmbeddedChatbotContext()
   const appConfig = useMemo(() => {
     const config = appParams || {}
@@ -261,6 +263,14 @@ const ChatWrapper = () => {
       switchSibling={siblingMessageId => setTargetMessageId(siblingMessageId)}
       inputDisabled={inputDisabled}
       isMobile={isMobile}
+      questionIcon={
+        initUserVariables?.avatar_url
+          ? <Avatar
+            avatar={initUserVariables.avatar_url}
+            name={initUserVariables.name || 'user'}
+            size={40}
+          /> : undefined
+      }
     />
   )
 }
diff --git a/web/app/components/base/chat/embedded-chatbot/context.tsx b/web/app/components/base/chat/embedded-chatbot/context.tsx
index d24265ed9..544da253a 100644
--- a/web/app/components/base/chat/embedded-chatbot/context.tsx
+++ b/web/app/components/base/chat/embedded-chatbot/context.tsx
@@ -52,6 +52,10 @@ export type EmbeddedChatbotContextValue = {
   currentConversationInputs: Record<string, any> | null,
   setCurrentConversationInputs: (v: Record<string, any>) => void,
   allInputsHidden: boolean
+  initUserVariables?: {
+    name?: string
+    avatar_url?: string
+  }
 }
 
 export const EmbeddedChatbotContext = createContext<EmbeddedChatbotContextValue>({
@@ -81,5 +85,6 @@ export const EmbeddedChatbotContext = createContext<EmbeddedChatbotContextValue>
   currentConversationInputs: {},
   setCurrentConversationInputs: noop,
   allInputsHidden: false,
+  initUserVariables: {},
 })
 export const useEmbeddedChatbotContext = () => useContext(EmbeddedChatbotContext)
diff --git a/web/app/components/base/chat/embedded-chatbot/hooks.tsx b/web/app/components/base/chat/embedded-chatbot/hooks.tsx
index 0158e8d04..7dd665efd 100644
--- a/web/app/components/base/chat/embedded-chatbot/hooks.tsx
+++ b/web/app/components/base/chat/embedded-chatbot/hooks.tsx
@@ -15,7 +15,7 @@ import type {
   Feedback,
 } from '../types'
 import { CONVERSATION_ID_INFO } from '../constants'
-import { buildChatItemTree, getProcessedInputsFromUrlParams, getProcessedSystemVariablesFromUrlParams } from '../utils'
+import { buildChatItemTree, getProcessedInputsFromUrlParams, getProcessedSystemVariablesFromUrlParams, getProcessedUserVariablesFromUrlParams } from '../utils'
 import { getProcessedFilesFromResponse } from '../../file-uploader/utils'
 import {
   fetchAppInfo,
@@ -169,6 +169,7 @@ export const useEmbeddedChatbot = () => {
   const newConversationInputsRef = useRef<Record<string, any>>({})
   const [newConversationInputs, setNewConversationInputs] = useState<Record<string, any>>({})
   const [initInputs, setInitInputs] = useState<Record<string, any>>({})
+  const [initUserVariables, setInitUserVariables] = useState<Record<string, any>>({})
   const handleNewConversationInputsChange = useCallback((newInputs: Record<string, any>) => {
     newConversationInputsRef.current = newInputs
     setNewConversationInputs(newInputs)
@@ -237,7 +238,9 @@ export const useEmbeddedChatbot = () => {
     // init inputs from url params
     (async () => {
       const inputs = await getProcessedInputsFromUrlParams()
+      const userVariables = await getProcessedUserVariablesFromUrlParams()
       setInitInputs(inputs)
+      setInitUserVariables(userVariables)
     })()
   }, [])
   useEffect(() => {
@@ -418,5 +421,6 @@ export const useEmbeddedChatbot = () => {
     currentConversationInputs,
     setCurrentConversationInputs,
     allInputsHidden,
+    initUserVariables,
   }
 }
diff --git a/web/app/components/base/chat/embedded-chatbot/index.tsx b/web/app/components/base/chat/embedded-chatbot/index.tsx
index c54afd78e..69cf7f163 100644
--- a/web/app/components/base/chat/embedded-chatbot/index.tsx
+++ b/web/app/components/base/chat/embedded-chatbot/index.tsx
@@ -195,6 +195,7 @@ const EmbeddedChatbotWrapper = () => {
     currentConversationInputs,
     setCurrentConversationInputs,
     allInputsHidden,
+    initUserVariables,
   } = useEmbeddedChatbot()
 
   return <EmbeddedChatbotContext.Provider value={{
@@ -233,6 +234,7 @@ const EmbeddedChatbotWrapper = () => {
     currentConversationInputs,
     setCurrentConversationInputs,
     allInputsHidden,
+    initUserVariables,
   }}>
     <Chatbot />
   </EmbeddedChatbotContext.Provider>
diff --git a/web/app/components/base/chat/utils.ts b/web/app/components/base/chat/utils.ts
index 8e044375d..fb7ac93a4 100644
--- a/web/app/components/base/chat/utils.ts
+++ b/web/app/components/base/chat/utils.ts
@@ -32,7 +32,8 @@ async function getProcessedInputsFromUrlParams(): Promise<Record<string, any>> {
   const entriesArray = Array.from(urlParams.entries())
   await Promise.all(
     entriesArray.map(async ([key, value]) => {
-      if (!key.startsWith('sys.'))
+      const prefixArray = ['sys.', 'user.']
+      if (!prefixArray.some(prefix => key.startsWith(prefix)))
         inputs[key] = await decodeBase64AndDecompress(decodeURIComponent(value))
     }),
   )
@@ -52,6 +53,19 @@ async function getProcessedSystemVariablesFromUrlParams(): Promise<Record<string
   return systemVariables
 }
 
+async function getProcessedUserVariablesFromUrlParams(): Promise<Record<string, any>> {
+  const urlParams = new URLSearchParams(window.location.search)
+  const userVariables: Record<string, any> = {}
+  const entriesArray = Array.from(urlParams.entries())
+  await Promise.all(
+    entriesArray.map(async ([key, value]) => {
+      if (key.startsWith('user.'))
+        userVariables[key.slice(5)] = await decodeBase64AndDecompress(decodeURIComponent(value))
+    }),
+  )
+  return userVariables
+}
+
 function isValidGeneratedAnswer(item?: ChatItem | ChatItemInTree): boolean {
   return !!item && item.isAnswer && !item.id.startsWith('answer-placeholder-') && !item.isOpeningStatement
 }
@@ -198,6 +212,7 @@ export {
   getRawInputsFromUrlParams,
   getProcessedInputsFromUrlParams,
   getProcessedSystemVariablesFromUrlParams,
+  getProcessedUserVariablesFromUrlParams,
   isValidGeneratedAnswer,
   getLastAnswer,
   buildChatItemTree,
diff --git a/web/public/embed.js b/web/public/embed.js
index 1efa541a8..e41405dbf 100644
--- a/web/public/embed.js
+++ b/web/public/embed.js
@@ -112,9 +112,21 @@
       return compressedSystemVariables;
     }
 
+    async function getCompressedUserVariablesFromConfig() {
+      const userVariables = config?.userVariables || {};
+      const compressedUserVariables = {};
+      await Promise.all(
+        Object.entries(userVariables).map(async ([key, value]) => {
+          compressedUserVariables[`user.${key}`] = await compressAndEncodeBase64(value);
+        })
+      );
+      return compressedUserVariables;
+    }
+
     const params = new URLSearchParams({
       ...await getCompressedInputsFromConfig(),
-      ...await getCompressedSystemVariablesFromConfig()
+      ...await getCompressedSystemVariablesFromConfig(),
+      ...await getCompressedUserVariablesFromConfig()
     });
 
     const baseUrl =
diff --git a/web/public/embed.min.js b/web/public/embed.min.js
index b2781ee47..b1d6f5692 100644
--- a/web/public/embed.min.js
+++ b/web/public/embed.min.js
@@ -18,7 +18,7 @@
     transition-property: width, height;
     transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
     transition-duration: 150ms;
-  `;async function e(){let u=!1;if(y&&y.token){var e=new URLSearchParams({...await(async()=>{var e=y?.inputs||{};let n={};return await Promise.all(Object.entries(e).map(async([e,t])=>{n[e]=await i(t)})),n})(),...await(async()=>{var e=y?.systemVariables||{};let n={};return await Promise.all(Object.entries(e).map(async([e,t])=>{n["sys."+e]=await i(t)})),n})()}),n=y.baseUrl||`https://${y.isDev?"dev.":""}udify.app`;let o=new URL(n).origin,t=`${n}/chatbot/${y.token}?`+e;n=s();async function i(e){e=(new TextEncoder).encode(e),e=new Response(new Blob([e]).stream().pipeThrough(new CompressionStream("gzip"))).arrayBuffer(),e=new Uint8Array(await e);return btoa(String.fromCharCode(...e))}function s(){var e=document.createElement("iframe");return e.allow="fullscreen;microphone",e.title="dify chatbot bubble window",e.id=m,e.src=t,e.style.cssText=l,e}function d(){var e,t,n;window.innerWidth<=640||(e=document.getElementById(m),t=document.getElementById(h),e&&t&&(t=t.getBoundingClientRect(),n=window.innerHeight/2,t.top+t.height/2<n?(e.style.top=`var(--${h}-bottom, 1rem)`,e.style.bottom="unset"):(e.style.bottom=`var(--${h}-bottom, 1rem)`,e.style.top="unset"),t.left+t.width/2<window.innerWidth/2?(e.style.left=`var(--${h}-right, 1rem)`,e.style.right="unset"):(e.style.right=`var(--${h}-right, 1rem)`,e.style.left="unset")))}function r(){let n=document.createElement("div");Object.entries(y.containerProps||{}).forEach(([e,t])=>{"className"===e?n.classList.add(...t.split(" ")):"style"===e?"object"==typeof t?Object.assign(n.style,t):n.style.cssText=t:"function"==typeof t?n.addEventListener(e.replace(/^on/,"").toLowerCase(),t):n[e]=t}),n.id=h;var e=document.createElement("style"),e=(document.head.appendChild(e),e.sheet.insertRule(`
+  `;async function e(){let u=!1;if(y&&y.token){var e=new URLSearchParams({...await(async()=>{var e=y?.inputs||{};let n={};return await Promise.all(Object.entries(e).map(async([e,t])=>{n[e]=await i(t)})),n})(),...await(async()=>{var e=y?.systemVariables||{};let n={};return await Promise.all(Object.entries(e).map(async([e,t])=>{n["sys."+e]=await i(t)})),n})(),...await(async()=>{var e=y?.userVariables||{};let n={};return await Promise.all(Object.entries(e).map(async([e,t])=>{n["user."+e]=await i(t)})),n})()}),n=y.baseUrl||`https://${y.isDev?"dev.":""}udify.app`;let o=new URL(n).origin,t=`${n}/chatbot/${y.token}?`+e;n=s();async function i(e){e=(new TextEncoder).encode(e),e=new Response(new Blob([e]).stream().pipeThrough(new CompressionStream("gzip"))).arrayBuffer(),e=new Uint8Array(await e);return btoa(String.fromCharCode(...e))}function s(){var e=document.createElement("iframe");return e.allow="fullscreen;microphone",e.title="dify chatbot bubble window",e.id=m,e.src=t,e.style.cssText=l,e}function r(){var e,t,n;window.innerWidth<=640||(e=document.getElementById(m),t=document.getElementById(h),e&&t&&(t=t.getBoundingClientRect(),n=window.innerHeight/2,t.top+t.height/2<n?(e.style.top=`var(--${h}-bottom, 1rem)`,e.style.bottom="unset"):(e.style.bottom=`var(--${h}-bottom, 1rem)`,e.style.top="unset"),t.left+t.width/2<window.innerWidth/2?(e.style.left=`var(--${h}-right, 1rem)`,e.style.right="unset"):(e.style.right=`var(--${h}-right, 1rem)`,e.style.left="unset")))}function d(){let n=document.createElement("div");Object.entries(y.containerProps||{}).forEach(([e,t])=>{"className"===e?n.classList.add(...t.split(" ")):"style"===e?"object"==typeof t?Object.assign(n.style,t):n.style.cssText=t:"function"==typeof t?n.addEventListener(e.replace(/^on/,"").toLowerCase(),t):n[e]=t}),n.id=h;var e=document.createElement("style"),e=(document.head.appendChild(e),e.sheet.insertRule(`
         #${n.id} {
           position: fixed;
           bottom: var(--${n.id}-bottom, 1rem);
@@ -33,10 +33,10 @@
           cursor: pointer;
           z-index: 2147483647;
         }
-      `),document.createElement("div"));function t(){var e;u||((e=document.getElementById(m))?(e.style.display="none"===e.style.display?"block":"none","none"===e.style.display?p("open"):p("close"),"none"===e.style.display?document.removeEventListener("keydown",b):document.addEventListener("keydown",b),d()):(n.appendChild(s()),d(),this.title="Exit (ESC)",p("close"),document.addEventListener("keydown",b)))}if(e.style.cssText="position: relative; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; z-index: 2147483647;",e.innerHTML=`<svg id="openIcon" width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+      `),document.createElement("div"));function t(){var e;u||((e=document.getElementById(m))?(e.style.display="none"===e.style.display?"block":"none","none"===e.style.display?p("open"):p("close"),"none"===e.style.display?document.removeEventListener("keydown",b):document.addEventListener("keydown",b),r()):(n.appendChild(s()),r(),this.title="Exit (ESC)",p("close"),document.addEventListener("keydown",b)))}if(e.style.cssText="position: relative; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; z-index: 2147483647;",e.innerHTML=`<svg id="openIcon" width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
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\ No newline at end of file