add check page

+'use strict';
 const _ = require('lodash');
+const cache = global.yoho.cache.master;
 
 exports.index = (req, res) => {
     res.render('check', {
@@ -9,9 +11,29 @@ exports.index = (req, res) => {
 
 exports.submit = (req, res) => {
     let captchaCode = _.get(req.session, 'captcha');
+    let remoteIp = req.get('X-Forwarded-For') || req.ip;
+
+    if (remoteIp.indexOf(',') > 0) {
+        let arr = remoteIp.split(',');
+
+        remoteIp = arr[0];
+    }
 
     if (req.body.captcha === captchaCode) {
-        return res.send('ok');
+        let key = `pc:limiter:${remoteIp}`;
+        cache.delAsync(key).then(() => {
+            return res.json({
+                code: 200
+            });
+        }).catch(() => {
+            return res.json({
+                code: 400
+            });
+        });
+    } else {
+        return res.json({
+            code: 400
+        });
     }
-    return res.send('fail');
+
 };

 <div class="check-page">
+    <div class="title">请输入正确的验证码，继续访问</div>
     <div id="js-img-check"></div>
     <div class="submit">
         确认

@@ -72,7 +72,6 @@ module.exports = {
         udp: { // send by udp
             measurement: 'yohobuy_wap_node_log',
             level: 'error', // logger level
-            host: 'influxdblog.web.yohoops.org', // influxdb host
             port: '4444' // influxdb port
         },
         console: {

@@ -14,9 +14,6 @@ module.exports = (req, res, next) => {
     let limitAPI = helpers.urlFormat('/3party/check', {refer: refer});
     let limitPage = helpers.urlFormat('/3party/check', {refer: req.protocol + '://' + req.get('host') + req.originalUrl});
 
-    limitAPI = limitAPI.replace('//m.yohobuy.com', 'http://www.yohobuy.com');
-    limitPage = limitPage.replace('//m.yohobuy.com', 'http://www.yohobuy.com');
-
     if (_.indexOf(WHITE_LIST, req.path) >= 0) {
         return next();
     }

 require('3party/check.page.css');
-
+require('../common');
 // 图片验证码
 let ImgCheck = require('plugin/img-check');
 
@@ -19,6 +19,13 @@ $(function() {
             url: '/3party/check/submit',
             data: {
                 captcha: $.trim(imgCheck.getResults())
+            },
+            success: function(ret) {
+                if (ret.code === 200) {
+                    window.location.href = window.queryString.refer || '//m.yohobuy.com';
+                } else {
+                    imgCheck.refresh();
+                }
             }
         });
     });