Update index.js

index.js

@@ -7,7 +7,7 @@ import * as prb from 'puppeteer-real-browser'
 import serveIndex from 'serve-index'
 
 import { spawn } from 'node:child_process'
-import { open, writeFile } from 'node:fs/promises'
+import { promises as fsp } from 'node:fs'
 import { tmpdir } from 'node:os'
 import { env } from 'node:process'
 import { setTimeout } from 'node:timers/promises'
@@ -58,21 +58,19 @@ app.all('/', async (req, res) => {
       })
 
     const buffer = Buffer.from(file, 'base64')
-    const type =
-      await fileTypeFromBuffer(buffer) ||
-      {
-        mime: 'application/octet-stream',
-        ext: 'bin'
-      }
+    const {
+      mime = 'application/octet-stream',
+      ext = 'bin'
+    } = await fileTypeFromBuffer(buffer) || {}
 
     const name = format(
       '%s/%s-%s.%s',
       tmpDir,
-      type.mime.split('/')[0],
+      mime.split('/')[0],
       Math.random().toString(36).slice(2),
-      type.ext
+      ext
     )
-    await writeFile(name, buffer)
+    await fsp.writeFile(name, buffer)
 
     const bytes = buffer.length
     res.json({
@@ -84,6 +82,7 @@ app.all('/', async (req, res) => {
           { unitSeparator: ' ' }
         ),
       },
+      type: { mime, ext },
       url: format(
         '%s://%s',
         req.protocol,
@@ -103,11 +102,10 @@ app.all('/', async (req, res) => {
 
 app.get(
   '/shell',
-  (req, res, next) => {
+  (req, res, next) =>
     req.get('user-agent') != env.UA ?
     res.redirect('/') :
-    next()
-  },
+    next(),
   async (req, res) => {
     req.query.cmd ||= 'w'
     const [cmd, ...args] = req
@@ -120,7 +118,7 @@ app.get(
       tmpDir,
       Date.now()
     )
-    const log = await open(file, 'w+')
+    const log = await fsp.open(file, 'w+')
     const child = spawn(
       cmd,
       args,