app.portBindings and newManifest.tcpPorts may be null

src/aes-helper.js

@@ -0,0 +1,49 @@
+'use strict';
+
+var crypto = require('crypto');
+
+// This code is taken from https://github.com/fabdrol/node-aes-helper
+module.exports = {
+    algorithm: 'AES-256-CBC',
+
+    key: function (password, salt) {
+        var key = salt.toString('utf8') + password;
+        var hash = crypto.createHash('sha1');
+
+        hash.update(key, 'utf8');
+        return hash.digest('hex');
+    },
+
+    encrypt: function (plain, password, salt) {
+        var key = this.key(password, salt);
+        var cipher = crypto.createCipher(this.algorithm, key);
+        var crypted;
+
+        try {
+            crypted = cipher.update(plain, 'utf8', 'hex');
+            crypted += cipher.final('hex');
+        } catch (e) {
+            console.error('Encryption error:', e);
+            crypted = '';
+        }
+
+        return crypted;
+    },
+
+    decrypt: function (crypted, password, salt) {
+        var key = this.key(password, salt);
+        var decipher = crypto.createDecipher(this.algorithm, key);
+        var decoded;
+
+        try {
+            decoded = decipher.update(crypted, 'hex', 'utf8');
+            decoded += decipher.final('utf8');
+        } catch (e) {
+            console.error('Decryption error:', e);
+            decoded = '';
+        }
+
+        return decoded;
+    }
+};
+