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app_vue/node_modules/selfsigned/index.js

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+var forge = require('node-forge');
+
+// a hexString is considered negative if it's most significant bit is 1
+// because serial numbers use ones' complement notation
+// this RFC in section 4.1.2.2 requires serial numbers to be positive
+// http://www.ietf.org/rfc/rfc5280.txt
+function toPositiveHex(hexString){
+  var mostSiginficativeHexAsInt = parseInt(hexString[0], 16);
+  if (mostSiginficativeHexAsInt < 8){
+    return hexString;
+  }
+
+  mostSiginficativeHexAsInt -= 8;
+  return mostSiginficativeHexAsInt.toString() + hexString.substring(1);
+}
+
+function getAlgorithm(key) {
+  switch (key) {
+    case 'sha256':
+      return forge.md.sha256.create();
+    default:
+      return forge.md.sha1.create();
+  }
+}
+
+/**
+ *
+ * @param {forge.pki.CertificateField[]} attrs Attributes used for subject and issuer.
+ * @param {object} options
+ * @param {number} [options.days=365] the number of days before expiration
+ * @param {number} [options.keySize=1024] the size for the private key in bits
+ * @param {object} [options.extensions] additional extensions for the certificate
+ * @param {string} [options.algorithm="sha1"] The signature algorithm sha256 or sha1
+ * @param {boolean} [options.pkcs7=false] include PKCS#7 as part of the output
+ * @param {boolean} [options.clientCertificate=false] generate client cert signed by the original key
+ * @param {string} [options.clientCertificateCN="John Doe jdoe123"] client certificate's common name
+ * @param {function} [done] Optional callback, if not provided the generation is synchronous
+ * @returns
+ */
+exports.generate = function generate(attrs, options, done) {
+  if (typeof attrs === 'function') {
+    done = attrs;
+    attrs = undefined;
+  } else if (typeof options === 'function') {
+    done = options;
+    options = {};
+  }
+
+  options = options || {};
+
+  var generatePem = function (keyPair) {
+    var cert = forge.pki.createCertificate();
+
+    cert.serialNumber = toPositiveHex(forge.util.bytesToHex(forge.random.getBytesSync(9))); // the serial number can be decimal or hex (if preceded by 0x)
+
+    cert.validity.notBefore = options.notBeforeDate || new Date();
+
+    var notAfter = new Date();
+    cert.validity.notAfter = notAfter;
+    cert.validity.notAfter.setDate(notAfter.getDate() + (options.days || 365));
+
+    attrs = attrs || [{
+      name: 'commonName',
+      value: 'example.org'
+    }, {
+      name: 'countryName',
+      value: 'US'
+    }, {
+      shortName: 'ST',
+      value: 'Virginia'
+    }, {
+      name: 'localityName',
+      value: 'Blacksburg'
+    }, {
+      name: 'organizationName',
+      value: 'Test'
+    }, {
+      shortName: 'OU',
+      value: 'Test'
+    }];
+
+    cert.setSubject(attrs);
+    cert.setIssuer(attrs);
+
+    cert.publicKey = keyPair.publicKey;
+
+    cert.setExtensions(options.extensions || [{
+      name: 'basicConstraints',
+      cA: true
+    }, {
+      name: 'keyUsage',
+      keyCertSign: true,
+      digitalSignature: true,
+      nonRepudiation: true,
+      keyEncipherment: true,
+      dataEncipherment: true
+    }, {
+      name: 'subjectAltName',
+      altNames: [{
+        type: 6, // URI
+        value: 'http://example.org/webid#me'
+      }]
+    }]);
+
+    cert.sign(keyPair.privateKey, getAlgorithm(options && options.algorithm));
+
+    const fingerprint = forge.md.sha1
+                          .create()
+                          .update(forge.asn1.toDer(forge.pki.certificateToAsn1(cert)).getBytes())
+                          .digest()
+                          .toHex()
+                          .match(/.{2}/g)
+                          .join(':');
+
+    var pem = {
+      private:     forge.pki.privateKeyToPem(keyPair.privateKey),
+      public:      forge.pki.publicKeyToPem(keyPair.publicKey),
+      cert:        forge.pki.certificateToPem(cert),
+      fingerprint: fingerprint,
+    };
+
+    if (options && options.pkcs7) {
+      var p7 = forge.pkcs7.createSignedData();
+      p7.addCertificate(cert);
+      pem.pkcs7 = forge.pkcs7.messageToPem(p7);
+    }
+
+    if (options && options.clientCertificate) {
+      var clientkeys = forge.pki.rsa.generateKeyPair(options.clientCertificateKeySize || 1024);
+      var clientcert = forge.pki.createCertificate();
+      clientcert.serialNumber = toPositiveHex(forge.util.bytesToHex(forge.random.getBytesSync(9)));
+      clientcert.validity.notBefore = new Date();
+      clientcert.validity.notAfter = new Date();
+      clientcert.validity.notAfter.setFullYear(clientcert.validity.notBefore.getFullYear() + 1);
+
+      var clientAttrs = JSON.parse(JSON.stringify(attrs));
+
+      for(var i = 0; i < clientAttrs.length; i++) {
+        if(clientAttrs[i].name === 'commonName') {
+          if( options.clientCertificateCN )
+            clientAttrs[i] = { name: 'commonName', value: options.clientCertificateCN };
+          else
+            clientAttrs[i] = { name: 'commonName', value: 'John Doe jdoe123' };
+        }
+      }
+
+      clientcert.setSubject(clientAttrs);
+
+      // Set the issuer to the parent key
+      clientcert.setIssuer(attrs);
+
+      clientcert.publicKey = clientkeys.publicKey;
+
+      // Sign client cert with root cert
+      clientcert.sign(keyPair.privateKey);
+
+      pem.clientprivate = forge.pki.privateKeyToPem(clientkeys.privateKey);
+      pem.clientpublic = forge.pki.publicKeyToPem(clientkeys.publicKey);
+      pem.clientcert = forge.pki.certificateToPem(clientcert);
+
+      if (options.pkcs7) {
+        var clientp7 = forge.pkcs7.createSignedData();
+        clientp7.addCertificate(clientcert);
+        pem.clientpkcs7 = forge.pkcs7.messageToPem(clientp7);
+      }
+    }
+
+    var caStore = forge.pki.createCaStore();
+    caStore.addCertificate(cert);
+
+    try {
+      forge.pki.verifyCertificateChain(caStore, [cert],
+        function (vfd, depth, chain) {
+          if (vfd !== true) {
+            throw new Error('Certificate could not be verified.');
+          }
+          return true;
+        });
+    }
+    catch(ex) {
+      throw new Error(ex);
+    }
+
+    return pem;
+  };
+
+  var keySize = options.keySize || 1024;
+
+  if (done) { // async scenario
+    return forge.pki.rsa.generateKeyPair({ bits: keySize }, function (err, keyPair) {
+      if (err) { return done(err); }
+
+      try {
+        return done(null, generatePem(keyPair));
+      } catch (ex) {
+        return done(ex);
+      }
+    });
+  }
+
+  var keyPair = options.keyPair ? {
+    privateKey: forge.pki.privateKeyFromPem(options.keyPair.privateKey),
+    publicKey: forge.pki.publicKeyFromPem(options.keyPair.publicKey)
+  } : forge.pki.rsa.generateKeyPair(keySize);
+
+  return generatePem(keyPair);
+};