Redirect to last page after login, logout and sign_up

modules/user.js

@@ -78,7 +78,7 @@ app.get('/sign_up', async (req, res) => {
 // Logout
 app.get('/logout', async (req, res) => {
   req.session.user_id = null;
-  res.redirect(syzoj.utils.makeUrl());
+  res.redirect(req.query.url || '/');
 });
 
 // User page

views/footer.ejs

@@ -9,7 +9,7 @@
 <script src="//cdn.bootcss.com/Chart.js/2.4.0/Chart.bundle.min.js"></script>
 <script type="text/javascript">
 $("#logout").click(function () {
-    window.location.href = "/logout";
+    window.location.href = <%- JSON.stringify(syzoj.utils.makeUrl(['logout'], { url: req.originalUrl })) %>;
 });
 </script>
 </body>

views/header.ejs

@@ -38,12 +38,12 @@
               </a>
                 <% } else { %>
                 <div class="item">
-                    <div class="ui button" style="margin-right: 0.5em" onclick="window.location.href='/login'">
+                    <a class="ui button" style="margin-right: 0.5em; " href="<%= syzoj.utils.makeUrl(['login'], { url: req.originalUrl }) %>">
                         登录
-                    </div>
+                    </a>
-                    <div class="ui primary button" onclick="window.location.href='/sign_up'">
+                    <a class="ui primary button" href="<%= syzoj.utils.makeUrl(['sign_up'], { url: req.originalUrl }) %>">
                         注册
-                    </div>
+                    </a>
                 </div>
                 <% } %>
             </div>

views/login.ejs

@@ -48,7 +48,7 @@ function show_error(error) {
     $("#error").show();
 }
 function success(session_id) {
-    window.location.href = "/";
+    window.location.href = <%- JSON.stringify(req.query.url || '/') %>;
 }
 function login() {
     password = md5($("#password").val() + "syzoj2_xxx");

views/sign_up.ejs

@@ -39,7 +39,7 @@ function show_error(error) {
 }
 function success() {
     alert("注册成功!");
-    window.location.href = "/";
+    window.location.href = <%- JSON.stringify(req.query.url || '/') %>;
 }
 function submit() {
     if ($("#password1").val() != $("#password2").val()) {