PDF signer

A JavaScript PDF signer for node.

This package is based on vbuch work: node-signpdf.

PDF versions

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

For more information look at the NoahCardoza's issue

Installation

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

npm install pdf-signer

Usage

single signing example:

import { sign } from 'pdf-signer'

const p12Buffer = fs.readFileSync(`./assets/pdf-signer.p12`)
const pdfBuffer = fs.readFileSync(`./assets/example.pdf`)

const signedPdf = sign(pdfBuffer, p12Buffer, 'pdfsigner', {
  reason: '2',
  email: 'test@email.com',
  location: 'Location, LO',
  signerName: 'Test User',
  annotationAppearanceOptions: {
    signatureCoordinates: { left: 0, bottom: 700, right: 190, top: 860 },
    signatureDetails: [
      {
        value: 'Signed by: Kiss Béla',
        fontSize: 7,
        transformOptions: { rotate: 0, space: 1, tilt: 0, xPos: 20, yPos: 20 },
      },
      {
        value: 'Date: 2019-10-11',
        fontSize: 7,
        transformOptions: { rotate: 0, space: 1, tilt: 0, xPos: 20, yPos: 30 },
      },
    ],
  },
})

fs.writeFileSync('./assets/results/signed.pdf', signedPdf)

More examples can be found in spec file spec.

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