pdf-digital-signer

PDF signer Brazil

A JavaScript PDF signer with certificate CPF and CNPJ A1 ICP-Brasil for NodeJS.

PDF versions

Pdf-signer cant handle pdf stream in the moment. It only can works with pdf which built on XREF tables.

Installation

Installation uses the npm package manager. Just type the following command after installing npm.

npm install pdf-digital-signer

Usage

single signing example:

import { sign } from 'pdf-digital-signer'
const fs = require('fs')
const dateFormat = require("dateformat")

const p12Buffer = fs.readFileSync(`./assets/pdf-signer.p12`) // CPF/CNPJ A1 ICP-Brasil: Use original .pfx file 
const pdfBuffer = fs.readFileSync(`./assets/example.pdf`)

const signature = 'Your Name'
const password = 'pdfsigner'
const signedPdf = sign.sign(pdfBuffer, p12Buffer, password, {
  reason: 'Test',
  email: '[e-mail]',
  location: 'City, BR',
  signerName: signature,
  annotationAppearanceOptions: {
    signatureCoordinates: { left: 20, bottom: 120, right: 190, top: 20 },
    signatureDetails: [
      {
        value: signature,
        fontSize: 5,
        transformOptions: { rotate: 0, space: 2, tilt: 0, xPos: 0, yPos: 32 },
      },
      {
        value: 'Este arquivo foi assinado digitalmente',
        fontSize: 5,
        transformOptions: { rotate: 0, space: 2, tilt: 0, xPos: 0, yPos: 25.4 },
      },
      {
        value: 'Assinado em ' + dateFormat(new Date(), 'd/mm/yyyy HH:MM:ss'),
        fontSize: 5,
        transformOptions: { rotate: 0, space: 2, tilt: 0, xPos: 0, yPos: 18 },
      },
      {
        value: 'Verifique o arquivo em verificador.iti.gov.br',
        fontSize: 5,
        transformOptions: { rotate: 0, space: 2, tilt: 0, xPos: 0, yPos: 11 },
      },
    ]
  },
})
signedPdf.then(content => fs.writeFileSync('./assets/results/signed.pdf', content))

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT