mirror of
https://github.com/aljazceru/cyphernode.git
synced 2025-12-28 18:15:15 +01:00
117 lines
2.5 KiB
JavaScript
117 lines
2.5 KiB
JavaScript
const fs = require('fs');
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const spawn = require('child_process').spawn;
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const defaultArgs = ['req', '-x509', '-newkey', 'rsa:4096', '-nodes'];
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const path = require('path');
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const tmp = require('tmp');
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const validator = require('validator');
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const confTmpl = `
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[req]
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distinguished_name = req_distinguished_name
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x509_extensions = v3_ca
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prompt = no
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[req_distinguished_name]
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CN = %PRIMARY_CN%
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[v3_ca]
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subjectAltName = @alt_names
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[alt_names]
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%ALT_DOMAINS%
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%ALT_IPS%
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`;
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const domainTmpl = 'DNS.%#% = %DOMAIN%';
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const ipTmpl = 'IP.%#% = %IP%'
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module.exports = class Cert {
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constructor( options ) {
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options = options || {};
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this.args = options.args || { days: 3650 };
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}
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buildConfig( cns ) {
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let ips = [];
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let domains = [];
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for( let cn of cns ) {
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if( validator.isIP(cn) ) {
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ips.push( cn );
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} else {
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domains.push( cn );
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}
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}
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let conf = confTmpl;
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if( !domains.length ) {
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domains.push('localhost');
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}
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conf = conf.replace( '%PRIMARY_CN%', domains[0] )
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let domainCount = 0;
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domains = domains.map( d => domainTmpl.replace( '%#%', ++domainCount ).replace('%DOMAIN%', d) );
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conf = conf.replace( '%ALT_DOMAINS%', domains.join('\n') || '' )
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let ipCount = 0;
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ips = ips.map( ip => ipTmpl.replace( '%#%', ++ipCount ).replace('%IP%', ip) );
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conf = conf.replace( '%ALT_IPS%', ips.join('\n') || '' )
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return conf;
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}
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async create( cns ) {
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cns = cns || [];
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cns = cns.concat(['127.0.0.1','localhost','gatekeeper']);
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let args = defaultArgs.slice();
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const certFileTmp = tmp.fileSync();
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const keyFileTmp = tmp.fileSync();
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const confFileTmp = tmp.fileSync();
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args.push( '-out' );
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args.push( certFileTmp.name );
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args.push( '-keyout' );
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args.push( keyFileTmp.name );
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args.push( '-config' );
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args.push( confFileTmp.name );
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for( let k in this.args ) {
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args.push( '-'+k);
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args.push( this.args[k] );
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}
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const conf = this.buildConfig( cns );
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fs.writeFileSync( confFileTmp.name, conf );
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const openssl = spawn('openssl', args, { stdio: ['ignore', 'ignore', 'ignore'] } );
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let code = await new Promise( function(resolve, reject) {
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openssl.on('exit', (code) => {
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resolve(code);
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});
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});
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const cert = fs.readFileSync( certFileTmp.name );
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const key = fs.readFileSync( keyFileTmp.name );
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certFileTmp.removeCallback();
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keyFileTmp.removeCallback();
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confFileTmp.removeCallback();
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return {
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code: code,
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key: key,
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cert: cert
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}
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}
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getFullPath() {
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return path.join( this.folder, this.filename );
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}
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}
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