I have the Let's encrypt certificate bundle. It includes the private key and certificate.crt
Using node.js and node-forge (not openssl), how can I get the expiry date of the certificate.crt?
3 Answers
You can use x509 module
var crt_pem = "<certificate in pem format which is content of your certificate.crt>";
const x509 = require('x509');
var crt_obj = x509.parseCert(crt_pem);
console.log(crt_obj.notBefore);
console.log(crt_obj.notAfter);
You can use Node SSL Checker
$ npm install ssl-checker --save # npm i -s ssh-checker
In your code:
var sslChecker = require("ssl-checker")
sslChecker('example.com', 'GET', 443).then(result => console.info(result));
the response will look like this:
{
"valid": true,
"days_remaining" : 90,
"valid_from" : "issue date",
"valid_to" : "expiry date"
}
You can use built-in crypto module:
const { X509Certificate } = require('crypto');
const { validTo } = new X509Certificate(certificate);
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