1008 #14 後端完成，再來是說明

app/Helpers/RefererPathFilter.js

@@ -1,7 +1,25 @@
-/* 
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
+'use strict'
 
+const Config = use('Config')
+let directoryIndexMapping = Config.get('referer.directoryIndexMapping')
 
+let RefererPathFilter = function (referer) {
+
+  if (typeof(referer) !== 'string') {
+    return '/'
+  }
+
+  let refererPath = '/' + referer.split('/').slice(3).join('/')
+
+  for (let i = 0; i < directoryIndexMapping.length; i++) {
+    let needle = directoryIndexMapping[i]
+    if (refererPath.startsWith(needle) === true) {
+      refererPath = '/' + refererPath.slice(needle.length)
+      break
+    }
+  }
+
+  return refererPath
+}
+
+module.exports = RefererPathFilter

app/Middleware/OriginParser.js

@@ -1,8 +1,5 @@
 'use strict'
 
-const Config = use('Config')
-let mapping = Config.get('origin.originMapping')
-
 const OriginFilter = use('App/Helpers/OriginFilter')
 
 class OriginParser {

app/Middleware/RefererPathParser.js

@@ -1,7 +1,6 @@
 'use strict'
 
-const Config = use('Config')
-let directoryIndexMapping = Config.get('referer.directoryIndexMapping')
+const RefererPathFilter = use('App/Helpers/RefererPathFilter')
 
 class RefererPathParser {
   async handle (data, next) {
@@ -12,23 +11,7 @@ class RefererPathParser {
       referer = headers.origin
     }
 
-    if (typeof(referer) !== 'string') {
-      data.refererPath = '/'
-      await next()
-      return
-    }
-
-    let refererPath = '/' + referer.split('/').slice(3).join('/')
-
-    for (let i = 0; i < directoryIndexMapping.length; i++) {
-      let needle = directoryIndexMapping[i]
-      if (refererPath.startsWith(needle) === true) {
-        refererPath = '/' + refererPath.slice(needle.length)
-        break
-      }
-    }
-
-    data.refererPath = refererPath
+    data.refererPath = RefererPathFilter(referer)
     await next()
   }
 }