Enabled authtentication by email address

controllers/auth/templates/login.pug

@@ -9,7 +9,7 @@ block content
                     | Username or password incorrect. Please try again.
             form(method="POST", action=getUrl("loginTarget"))
                 .form-group
-                    input.form-control(type="text", name="username", placeholder="Username", autofocus)
+                    input.form-control(type="text", name="username", placeholder="Username or email", autofocus)
                 .form-group
                     input.form-control(type="password", name="password", placeholder="Password")
                 .form-group

controllers/auth/views.js

@@ -48,24 +48,36 @@ module.exports.logout = function(req, res, render) {
     res.redirect(getUrl("index"));
 }
 
+function logUser(user, password, req, res, render) {
+    if (testPassword(password, user.password)) {
+        req.session.user = user;
+
+        let redirection = req.session.redirectAfterLog || 'index';
+        req.session.redirectAfterLog = undefined;
+        req.session.save();
+
+        res.redirect(getUrl(redirection));
+    } else {
+        req.session.loginFailed = true;
+        req.session.save();
+        res.redirect(getUrl('login'));
+    }
+
+}
+
 module.exports.loginTarget = function(req, res, render) {
     User.getByUsername(req.body.username, (err, user) => {
         if (user === undefined || !user.active) {
-            res.redirect(getUrl('login'));
+            // Try with email address
+            User.getByEmail(req.body.username, (err, user) => {
+                if (user === undefined || !user.active) {
+                    res.redirect(getUrl('login'));
+                } else {
+                    return logUser(user, req.body.password, req, res, render);
+                }
+            });
         } else {
-            if (testPassword(req.body.password, user.password)) {
+            return logUser(user, req.body.password, req, res, render);
-                req.session.user = user;
-
-                let redirection = req.session.redirectAfterLog || 'index';
-                req.session.redirectAfterLog = undefined;
-                req.session.save();
-
-                res.redirect(getUrl(redirection));
-            } else {
-                req.session.loginFailed = true;
-                req.session.save();
-                res.redirect(getUrl('login'));
-            }
         }
     });
 }