get-ssl-certificate

A zero-dependency utility that returns a website's SSL certificate


$3

``
npm install --save get-ssl-certificate
`

$3

#### Import package:

`
const sslCertificate = require('get-ssl-certificate')
`

#### Pass a url / domain name:

`
sslCertificate.get('nodejs.org').then(function (certificate) {
console.log(certificate)
// certificate is a JavaScript object

console.log(certificate.issuer)
// { C: 'GB',
// ST: 'Greater Manchester',
// L: 'Salford',
// O: 'COMODO CA Limited',
// CN: 'COMODO RSA Domain Validation Secure Server CA' }

console.log(certificate.valid_from)
// 'Aug 14 00:00:00 2017 GMT'

console.log(certificate.valid_to)
// 'Nov 20 23:59:59 2019 GMT'

// If there was a certificate.raw attribute, then you can access certificate.pemEncoded
console.log(certificate.pemEncoded)
// -----BEGIN CERTIFICATE-----
// ...
// -----END CERTIFICATE-----
});
`

#### Optional parameters: Timeout (in ms), Protocol (Default is 'https:') and Port (Default is 443)

`
sslCertificate.get('nodejs.org', 250, 443, 'https:').then(function (certificate) {
console.log(certificate)
// certificate is a JavaScript object

console.log(certificate.issuer)
// { C: 'GB',
// ST: 'Greater Manchester',
// L: 'Salford',
// O: 'COMODO CA Limited',
// CN: 'COMODO RSA Domain Validation Secure Server CA' }

console.log(certificate.valid_from)
// 'Aug 14 00:00:00 2017 GMT'

console.log(certificate.valid_to)
// 'Nov 20 23:59:59 2019 GMT'

// If there was a certificate.raw attribute, then you can access certificate.pemEncoded
console.log(certificate.pemEncoded)
// -----BEGIN CERTIFICATE-----
// ...
// -----END CERTIFICATE-----
});
``

License

MIT