Feat/add multer s3 (#3854)

* add multer s3

* add types multer s3

* update multer s3 implementation

* Revert "update multer s3 implementation"

This reverts commit 9a25bf57a93f77074bdb084921f0591dbe0b44e1.

* update storage utils

* update multer storage type on routes

* revert getMulterStorage

* revert getMulterStorage

* update getmulterstorage

* update getmulterstorage

* update getmulterstorage

packages/server/src/utils/buildChatflow.ts

@@ -9,7 +9,9 @@ import {
     mapMimeTypeToInputField,
     mapExtToInputField,
     generateFollowUpPrompts,
-    IServerSideEventStreamer
+    IServerSideEventStreamer,
+    getFileFromUpload,
+    removeSpecificFileFromUpload
 } from 'flowise-components'
 import { StatusCodes } from 'http-status-codes'
 import {
@@ -49,7 +51,6 @@ import { validateChatflowAPIKey } from './validateKey'
 import { databaseEntities } from '.'
 import { v4 as uuidv4 } from 'uuid'
 import { omit } from 'lodash'
-import * as fs from 'fs'
 import logger from './logger'
 import { utilAddChatMessage } from './addChatMesage'
 import { buildAgentGraph } from './buildAgentGraph'
@@ -162,7 +163,7 @@ export const utilBuildChatflow = async (req: Request, isInternal: boolean = fals
             const overrideConfig: ICommonObject = { ...req.body }
             const fileNames: string[] = []
             for (const file of files) {
-                const fileBuffer = fs.readFileSync(file.path)
+                const fileBuffer = await getFileFromUpload(file.path ?? file.key)
                 // Address file name with special characters: https://github.com/expressjs/multer/issues/1104
                 file.originalname = Buffer.from(file.originalname, 'latin1').toString('utf8')
                 const storagePath = await addArrayFilesToStorage(file.mimetype, fileBuffer, file.originalname, fileNames, chatflowid)
@@ -195,7 +196,7 @@ export const utilBuildChatflow = async (req: Request, isInternal: boolean = fals
                     overrideConfig[fileInputField] = storagePath
                 }
 
-                fs.unlinkSync(file.path)
+                await removeSpecificFileFromUpload(file.path ?? file.key)
             }
             if (overrideConfig.vars && typeof overrideConfig.vars === 'string') {
                 overrideConfig.vars = JSON.parse(overrideConfig.vars)