Fix can't redirect to original page when logged in

views/forget.ejs

@@ -1,5 +1,4 @@
 <% this.title = '忘记密码' %>
-<% this.noPreserveUrl = true; %>
 <% include header %>
 <div class="ui message" id="msgBox" hidden>
     <p id="msgContent"></p>

views/forget_confirm.ejs

@@ -1,5 +1,4 @@
 <% this.title = '重设密码';  %>
-<% this.noPreserveUrl = true; %>
 <% include header %>
 <div class="ui message" id="msgBox" hidden>
     <p id="msgContent"></p>

views/header.ejs

@@ -80,10 +80,10 @@
               </a>
                 <% } else { %>
                 <div class="item">
-                    <a class="ui button" style="margin-right: 0.5em; " href="<%= syzoj.utils.makeUrl(['login'], { url: this.noPreserveUrl ? undefined : req.originalUrl }) %>">
+                    <a class="ui button" style="margin-right: 0.5em; " href="<%= syzoj.utils.makeUrl(['login'], { url: req.query['url'] || req.originalUrl }) %>">
                         登录
                     </a>
-                    <a class="ui primary button" href="<%= syzoj.utils.makeUrl(['sign_up'], { url: this.noPreserveUrl ? undefined : req.originalUrl }) %>">
+                    <a class="ui primary button" href="<%= syzoj.utils.makeUrl(['sign_up'], { url: req.query['url'] || req.originalUrl }) %>">
                         注册
                     </a>
                 </div>

views/login.ejs

@@ -1,5 +1,4 @@
 <% this.title = '登录' %>
-<% this.noPreserveUrl = true; %>
 <% include header %>
 <div class="ui error message" id="error" hidden></div>
 <div class="ui middle aligned center aligned grid">

views/sign_up.ejs

@@ -1,5 +1,4 @@
 <% this.title = '注册' %>
-<% this.noPreserveUrl = true; %>
 <% include header %>
 <div class="padding">
   <h1>注册</h1>