parse domains from cert info

lib/cert-info.js

@@ -35,6 +35,25 @@ certInfo.getCertInfo = function (pem) {
   return certSimpl;
 };
 
+certInfo.getBasicInfo = function (pem) {
+  var c = certInfo.getCertInfo(pem);
+  var domains = [];
+
+  c.extensions.forEach(function (ext) {
+    if (ext.parsedValue && ext.parsedValue.altNames) {
+      ext.parsedValue.altNames.forEach(function (alt) {
+        domains.push(alt.Name);
+      });
+    }
+  });
+
+  return {
+    issuedAt: c.notBefore.value
+  , expiresAt: c.notAfter.value
+  , domains: domains
+  };
+};
+
 certInfo.getCertInfoFromFile = function (pemFile) {
   return require('fs').readFileSync(pemFile, 'ascii');
 };
@@ -45,6 +64,12 @@ certInfo.testGetCertInfo = function () {
   return certInfo.getCertInfo(certInfo.getCertInfoFromFile(pemFile));
 };
 
+certInfo.testBasicCertInfo = function () {
+  var path = require('path');
+  var pemFile = path.join(__dirname, '..', 'tests', 'example.cert.pem');
+  return certInfo.getBasicInfo(certInfo.getCertInfoFromFile(pemFile));
+};
+
 if (require.main === module) {
   var c = certInfo.testGetCertInfo();
 

tests/cert-info.js

@@ -16,6 +16,12 @@ console.info(new Date(c.notAfter.value).valueOf());
 
 console.info('');
 
+var json = certInfo.testBasicCertInfo();
+
+console.log('');
+console.log(JSON.stringify(json, null, '  '));
+console.log('');
+
 console.info('');
 console.info('If we got values at all, it must have passed.');
 console.info('');