[#1446] add password-reset (still need change password for this to be useful)

src/utils.js

@@ -0,0 +1,34 @@
+var nodemailer = require('nodemailer');
+var nconf = require('nconf');
+var crypto = require('crypto');
+
+module.exports.sendEmail = function(mailData) {
+  var smtpTransport = nodemailer.createTransport("SMTP",{
+    service: nconf.get('SMTP_SERVICE'),
+    auth: {
+      user: nconf.get('SMTP_USER'),
+      pass: nconf.get('SMTP_PASS')
+    }
+  });
+  smtpTransport.sendMail(mailData, function(error, response){
+    if(error){
+      console.log(error);
+    }else{
+      console.log("Message sent: " + response.message);
+    }
+    smtpTransport.close(); // shut down the connection pool, no more messages
+  });
+}
+
+// Encryption using http://dailyjs.com/2010/12/06/node-tutorial-5/
+// Note: would use [password-hash](https://github.com/davidwood/node-password-hash), but we need to run
+// model.query().equals(), so it's a PITA to work in their verify() function
+
+module.exports.encryptPassword = function(password, salt) {
+  return crypto.createHmac('sha1', salt).update(password).digest('hex');
+}
+
+module.exports.makeSalt = function() {
+  var len = 10;
+  return crypto.randomBytes(Math.ceil(len / 2)).toString('hex').substring(0, len);
+}