fix: not allow user to choose sub directory as jan data folder

Signed-off-by: James <james@jan.ai>

core/src/api/index.ts

@@ -12,6 +12,7 @@ export enum AppRoute {
   updateAppConfiguration = 'updateAppConfiguration',
   relaunch = 'relaunch',
   joinPath = 'joinPath',
+  isSubdirectory = 'isSubdirectory',
   baseName = 'baseName',
   startServer = 'startServer',
   stopServer = 'stopServer',

core/src/core.ts

@@ -22,7 +22,11 @@ const executeOnMain: (extension: string, method: string, ...args: any[]) => Prom
  * @param {object} network - Optional object to specify proxy/whether to ignore SSL certificates.
  * @returns {Promise<any>} A promise that resolves when the file is downloaded.
  */
-const downloadFile: (url: string, fileName: string, network?: { proxy?: string, ignoreSSL?: boolean }) => Promise<any> = (url, fileName, network) => {
+const downloadFile: (
+  url: string,
+  fileName: string,
+  network?: { proxy?: string; ignoreSSL?: boolean }
+) => Promise<any> = (url, fileName, network) => {
   return global.core?.api?.downloadFile(url, fileName, network)
 }
 
@@ -87,6 +91,17 @@ const getResourcePath: () => Promise<string> = () => global.core.api?.getResourc
 const log: (message: string, fileName?: string) => void = (message, fileName) =>
   global.core.api?.log(message, fileName)
 
+/**
+ * Check whether the path is a subdirectory of another path.
+ *
+ * @param from - The path to check.
+ * @param to - The path to check against.
+ *
+ * @returns {Promise<boolean>} - A promise that resolves with a boolean indicating whether the path is a subdirectory.
+ */
+const isSubdirectory: (from: string, to: string) => Promise<boolean> = (from: string, to: string) =>
+  global.core.api?.isSubdirectory(from, to)
+
 /**
  * Register extension point function type definition
  */
@@ -94,7 +109,7 @@ export type RegisterExtensionPoint = (
   extensionName: string,
   extensionId: string,
   method: Function,
-  priority?: number,
+  priority?: number
 ) => void
 
 /**
@@ -111,5 +126,6 @@ export {
   openExternalUrl,
   baseName,
   log,
+  isSubdirectory,
   FileStat,
 }

electron/handlers/app.ts

@@ -1,5 +1,5 @@
 import { app, ipcMain, dialog, shell } from 'electron'
-import { join, basename } from 'path'
+import { join, basename, relative as getRelative, isAbsolute } from 'path'
 import { WindowManager } from './../managers/window'
 import { getResourcePath } from './../utils/path'
 import { AppRoute, AppConfiguration } from '@janhq/core'
@@ -50,6 +50,27 @@ export function handleAppIPCs() {
     join(...paths)
   )
 
+  /**
+   * Checks if the given path is a subdirectory of the given directory.
+   *
+   * @param _event - The IPC event object.
+   * @param from - The path to check.
+   * @param to - The directory to check against.
+   *
+   * @returns {Promise<boolean>} - A promise that resolves with the result.
+   */
+  ipcMain.handle(
+    AppRoute.isSubdirectory,
+    async (_event, from: string, to: string) => {
+      const relative = getRelative(from, to)
+      const isSubdir =
+        relative && !relative.startsWith('..') && !isAbsolute(relative)
+
+      if (isSubdir === '') return false
+      else return isSubdir
+    }
+  )
+
   /**
    * Retrieve basename from given path, respect to the current OS.
    */

web/screens/Settings/Advanced/DataFolder/ModalErrorSetDestGlobal.tsx

@@ -10,15 +10,12 @@ import {
   ModalClose,
   Button,
 } from '@janhq/uikit'
-import { atom, useAtom, useAtomValue } from 'jotai'
-
-import { errorAtom } from '.'
+import { atom, useAtom } from 'jotai'
 
 export const showChangeFolderErrorAtom = atom(false)
 
 const ModalErrorSetDestGlobal = () => {
   const [show, setShow] = useAtom(showChangeFolderErrorAtom)
-  const error = useAtomValue(errorAtom)
   return (
     <Modal open={show} onOpenChange={setShow}>
       <ModalPortal />
@@ -30,7 +27,6 @@ const ModalErrorSetDestGlobal = () => {
           Oops! Something went wrong. Jan data folder remains the same. Please
           try again.
         </p>
-        <p className="text-muted-foreground">{error}</p>
         <ModalFooter>
           <div className="flex gap-x-2">
             <ModalClose asChild onClick={() => setShow(false)}>

web/screens/Settings/Advanced/DataFolder/index.tsx

@@ -1,8 +1,8 @@
 import { Fragment, useCallback, useEffect, useState } from 'react'
 
-import { fs, AppConfiguration } from '@janhq/core'
+import { fs, AppConfiguration, isSubdirectory } from '@janhq/core'
 import { Button, Input } from '@janhq/uikit'
-import { atom, useSetAtom } from 'jotai'
+import { useSetAtom } from 'jotai'
 import { PencilIcon, FolderOpenIcon } from 'lucide-react'
 
 import Loader from '@/containers/Loader'
@@ -18,8 +18,6 @@ import ModalErrorSetDestGlobal, {
 
 import ModalSameDirectory, { showSamePathModalAtom } from './ModalSameDirectory'
 
-export const errorAtom = atom('')
-
 const DataFolder = () => {
   const [janDataFolderPath, setJanDataFolderPath] = useState('')
   const [showLoader, setShowLoader] = useState(false)
@@ -27,7 +25,6 @@ const DataFolder = () => {
   const setShowSameDirectory = useSetAtom(showSamePathModalAtom)
   const setShowChangeFolderError = useSetAtom(showChangeFolderErrorAtom)
   const [destinationPath, setDestinationPath] = useState(undefined)
-  const setError = useSetAtom(errorAtom)
 
   useEffect(() => {
     window.core?.api
@@ -46,6 +43,15 @@ const DataFolder = () => {
       return
     }
 
+    const appConfiguration: AppConfiguration =
+      await window.core?.api?.getAppConfigurations()
+    const currentJanDataFolder = appConfiguration.data_folder
+
+    if (await isSubdirectory(currentJanDataFolder, destFolder)) {
+      setShowSameDirectory(true)
+      return
+    }
+
     setDestinationPath(destFolder)
     setShowDirectoryConfirm(true)
   }, [janDataFolderPath, setShowSameDirectory, setShowDirectoryConfirm])
@@ -68,14 +74,12 @@ const DataFolder = () => {
         setShowLoader(false)
       }, 1200)
       await window.core?.api?.relaunch()
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    } catch (e: any) {
+    } catch (e) {
       console.error(`Error: ${e}`)
-      setError(e.message)
       setShowLoader(false)
       setShowChangeFolderError(true)
     }
-  }, [destinationPath, setError, setShowChangeFolderError])
+  }, [destinationPath, setShowChangeFolderError])
 
   return (
     <Fragment>