Update web-app/src/lib/completion.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

web-app/package.json

@@ -51,6 +51,7 @@
     "@types/uuid": "10.0.0",
     "@uiw/react-textarea-code-editor": "3.1.1",
     "class-variance-authority": "0.7.1",
+    "crypto-js": "^4.2.0",
     "culori": "4.0.1",
     "emoji-picker-react": "4.12.2",
     "framer-motion": "12.23.12",
@@ -97,6 +98,7 @@
     "@testing-library/jest-dom": "6.8.0",
     "@testing-library/react": "16.3.0",
     "@testing-library/user-event": "14.6.1",
+    "@types/crypto-js": "^4.2.2",
     "@types/culori": "2.1.1",
     "@types/istanbul-lib-report": "3.0.3",
     "@types/istanbul-reports": "3.0.4",

web-app/src/lib/completion.ts

@@ -1,4 +1,5 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
+import CryptoJS from 'crypto-js'
 import {
   ContentType,
   ChatCompletionRole,
@@ -168,9 +169,31 @@ export const sendCompletion = async (
   if (!Object.keys(models).some((key) => key === providerName))
     providerName = 'openai-compatible'
 
+  // Decrypt API key if it exists and is encrypted
+  const secretKey = await getServiceHub().core().getAppToken()
+  const decryptApiKey = (encryptedKey: string, key: string): string => {
+    try {
+      const bytes = CryptoJS.AES.decrypt(encryptedKey, key)
+      const decryptedKey = bytes.toString(CryptoJS.enc.Utf8)
+      if (!decryptedKey) {
+        throw new Error('Failed to decrypt API key: result is empty')
+      }
+      return decryptedKey
+    } catch (error) {
+      console.warn('Failed to decrypt API key:', error)
+      throw new Error('Failed to decrypt API key')
+    }
+  }
+  if (!secretKey) {
+    throw new Error('Encryption key unavailable: cannot decrypt API key.')
+  }
+  if (!provider.api_key) {
+    throw new Error('API key is missing for the selected provider.');
+  }
+  const apiKey = decryptApiKey(provider.api_key, secretKey);
+
   const tokenJS = new TokenJS({
-    apiKey:
+    apiKey,
-      provider.api_key ?? (await getServiceHub().core().getAppToken()) ?? '',
     // TODO: Retrieve from extension settings
     baseURL: provider.base_url,
     // Use Tauri's fetch to avoid CORS issues only for openai-compatible provider

web-app/src/routes/settings/providers/$providerName.tsx

@@ -1,9 +1,11 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
+import CryptoJS from 'crypto-js'
 import { Card, CardItem } from '@/containers/Card'
 import HeaderPage from '@/containers/HeaderPage'
 import SettingsMenu from '@/containers/SettingsMenu'
 import { useModelProvider } from '@/hooks/useModelProvider'
-import { cn, getProviderTitle, getModelDisplayName } from '@/lib/utils'
+import { getServiceHub } from '@/hooks/useServiceHub'
+import { cn, getProviderTitle } from '@/lib/utils'
 import {
   createFileRoute,
   Link,
@@ -497,7 +499,7 @@ function ProviderDetail() {
                                 'third-step-setup-remote-provider',
                               setting.key === 'device' && 'hidden'
                             )}
-                            onChange={(newValue) => {
+                            onChange={async (newValue) => {
                               if (provider) {
                                 const newSettings = [...provider.settings]
                                 // Handle different value types by forcing the type
@@ -520,7 +522,14 @@ function ProviderDetail() {
                                   settingKey === 'api-key' &&
                                   typeof newValue === 'string'
                                 ) {
-                                  updateObj.api_key = newValue
+                                  const secretKey = await getServiceHub()
+                                    .core()
+                                    .getAppToken()
+                                  if (secretKey)
+                                    updateObj.api_key = CryptoJS.AES.encrypt(
+                                      newValue,
+                                      secretKey
+                                    ).toString()
                                 } else if (
                                   settingKey === 'base-url' &&
                                   typeof newValue === 'string'
@@ -536,7 +545,7 @@ function ProviderDetail() {
                                     )
 
                                   if (deviceSettingIndex !== -1) {
-                                    (
+                                    ;(
                                       newSettings[deviceSettingIndex]
                                         .controller_props as {
                                         value: string