Uploading pdf and certificate using multer and sign pdf but there is error Could not find ByteRange placeholder: /ByteRange [0 /********** /********** /**********]

[juttameerhamza]

Help please i have to complete this task
Here is my code

const fs = require('fs');

const express = require('express');
const multer = require('multer');
const signer = require('node-signpdf').default;

const app = express();

const fileStorage = multer.diskStorage({
  destination: (req, file, cb) => {
    cb(null, `./uploads`);
  },
  filename: (req, file, cb) => {
    let fileName = file.originalname.split(' ').join('-');
    cb(null, Date.now().toString() + '-' + fileName);
  }
});

const upload = multer({ storage: fileStorage });

app.post('/pdf/sign', upload.fields([{ name: 'pdf' }, { name: 'certificate' }]), (req, res) => {
  const pdf = req.files.pdf[0].path;
  const certificate = req.files.certificate[0].path;

  const signedPdf = signer.sign(
    fs.readFileSync(pdf),
    fs.readFileSync(certificate)
  );

  fs.writeFileSync(`${__dirname}/upload/${req.files.pdf[0].filename}-signed`, signedPdf);

  res.status(200).json({
    message: 'success',
  });
});

const port = 3000;
app.listen(port, () => console.log(`Appliction is listening on ${port}`));

[vbuch]

Could you maybe attach an example PDF file that fails?

[juttameerhamza]

I resolve it thanks @vbuch vbuch

[lucasmassi]

Hey @juttameerhamza how did you solve this problem?

[erickximenes]

Hey @juttameerhamza how did you solve this problem?