ssl-verifier is a package that verifies SSL information from a URL.
Node.js v14.16.1 or newer is recommended.
Install: npm install ssl-verifier
| Option | Default | Description |
|---|---|---|
| method | GET | Can be HEAD too |
| port | 443 | Your SSL/TLS entry point |
| agent | default | Default HTTPS agent with { maxCachedSessions: 0 } |
| rejectUnauthorized | false | Skips authorization by default |
const SSL = require("ssl-verifier");
SSL.Info("https://github.com"/*, {port: 443, method: "GET"}*/).then(data => {
console.log(data);
}).catch(error => {
console.log(error);
});{
subject: {
commonName: "github.com",
organization: "GitHub, Inc.",
location: "San Francisco, California, US"
},
issuer: {
commonName: "DigiCert High Assurance TLS Hybrid ECC SHA256 2020 CA1",
organization: "DigiCert, Inc.",
location: "US"
},
subjectAlternativeName: [ "github.com", "www.github.com" ],
valid: true,
validFrom: "Mar 25 00:00:00 2021 GMT",
validTo: "Mar 30 23:59:59 2022 GMT",
daysRemaining: 281,
certificate: {
OCSP: {
url: [ "http://ocsp.digicert.com" ]
},
CA: {
issuers: {
url: [ "http://cacerts.digicert.com/DigiCertHighAssuranceTLSHybridECCSHA2562020CA1.crt" ]
}
}
},
bits: 256,
modulus: undefined,
exponent: undefined,
publicKey: "<Buffer... 15 more bytes>",
asn1Curve: "prime256v1",
nistCurve: "P-256",
fingerPrint: "84:63:B3:A9:29:12:CC:FD:1D:31:47:05:98:9B:EC:13:99:37:D0:D7",
fingerPrint256: "0A:E3:84:BF:D4:DD:E9:D1:3E:50:C5:85:7C:05:A4:42:C9:3F:8E:01:44:5E:E4:B3:45:40:D2:2B:D1:E3:7F:1B",
ExtendedKeyUsage: [ "1.3.6.1.5.5.7.3.1", "1.3.6.1.5.5.7.3.2" ],
serialNumber: "0E8BF3770D92D196F0BB61F93C4166BE",
raw: "<Buffer... 1240 more bytes>"
}If a problem occurs in the process, one of these errors might be triggered.
Invalid url - Invalid protocol - Invalid options - Invalid method - Invalid port - No certificate
ENOTFOUND - EPROTO - ERR_INVALID_URL - ERR_SOCKET_BAD_PORT - ERR_INVALID_ARG_TYPE
If you are experiencing problems, or you just need a nudge in the right direction, please do not hesitate to create a New Issue on Github repository.