cert-info.js/index.js

121 lines
3.3 KiB
JavaScript

'use strict';
var certInfo = module.exports;
module.exports.certpem = certInfo;
// ES5 version of mergeDeep
// https://stackoverflow.com/questions/27936772/how-to-deep-merge-instead-of-shallow-merge
/**
* Simple object check.
* @param item
* @returns {boolean}
*/
function isObject(item) {
return (item && typeof item === 'object' && !Array.isArray(item));
}
/**
* Deep merge two objects.
* @param target
* @param ...sources
*/
function merge(target) {
var sources = Array.prototype.slice.call(arguments);
sources.shift();
if (!sources.length) { return target; }
var source = sources.shift();
var obj;
if (isObject(target) && isObject(source)) {
Object.keys(source).forEach(function (key) {
if (isObject(source[key])) {
if (!target[key]) { obj = {}; obj[key] = {}; Object.assign(target, obj); }
merge(target[key], source[key]);
} else {
obj = {}; obj[key] = source[key];
Object.assign(target, obj);
}
});
}
sources.unshift(target);
return merge.apply(null, sources);
}
var common = require("asn1js/org/pkijs/common");
var _asn1js = require("asn1js");
var _pkijs = require("pkijs");
var _x509schema = require("pkijs/org/pkijs/x509_schema");
// #region Merging function/object declarations for ASN1js and PKIjs
var asn1js = merge(_asn1js, common);
var x509schema = merge(_x509schema, asn1js);
var pkijs_1 = merge(_pkijs, asn1js);
var pkijs = merge(pkijs_1, x509schema);
// this is really memory expensive to do
// (about half of a megabyte of loaded code)
certInfo._pemToBinAb = function (pem) {
var b64 = pem.replace(/(-----(BEGIN|END) CERTIFICATE-----|[\n\r])/g, '');
var buf = Buffer.from(b64, 'base64');
var ab = new Uint8Array(buf).buffer; // WORKS
//var ab = buf.buffer // Doesn't work
return ab;
};
certInfo.debug = certInfo.getCertInfo = function (pem) {
var ab = module.exports._pemToBinAb(pem);
var asn1 = pkijs.org.pkijs.fromBER(ab);
var certSimpl = new pkijs.org.pkijs.simpl.CERT({ schema: asn1.result });
return certSimpl;
};
certInfo.info = certInfo.getBasicInfo = function (pem) {
var c = certInfo.getCertInfo(pem);
var domains = [];
var sub;
c.extensions.forEach(function (ext) {
if (ext.parsedValue && ext.parsedValue.altNames) {
ext.parsedValue.altNames.forEach(function (alt) {
domains.push(alt.Name);
});
}
});
sub = c.subject.types_and_values[0].value.value_block.value || null;
return {
subject: sub
, altnames: domains
// for debugging during console.log
// do not expect these values to be here
, _issuedAt: c.notBefore.value
, _expiresAt: c.notAfter.value
, issuedAt: new Date(c.notBefore.value).valueOf()
, expiresAt: new Date(c.notAfter.value).valueOf()
};
};
certInfo.getCertInfoFromFile = function (pemFile) {
return require('fs').readFileSync(pemFile, 'ascii');
};
/*
certInfo.testGetCertInfo = function (pathname) {
var path = require('path');
var pemFile = pathname || path.join(__dirname, '..', 'tests', 'example.cert.pem');
return certInfo.getCertInfo(certInfo.getCertInfoFromFile(pemFile));
};
certInfo.testBasicCertInfo = function (pathname) {
var path = require('path');
var pemFile = pathname || path.join(__dirname, '..', 'tests', 'example.cert.pem');
return certInfo.getBasicInfo(certInfo.getCertInfoFromFile(pemFile));
};
*/