From 24c4bd7c4356e22cbab264e5af3c5b84ff2bd22d Mon Sep 17 00:00:00 2001
From: alexayan <773655223@qq.com>
Date: Mon, 22 Aug 2016 16:48:55 +0800
Subject: [PATCH 1/2] middleware first argument support function

---
 lib/acl.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/acl.js b/lib/acl.js
index 9851717..32a5432 100644
--- a/lib/acl.js
+++ b/lib/acl.js
@@ -683,7 +683,11 @@ Acl.prototype.middleware = function(numPathComponents, userId, actions){
     if(!numPathComponents){
       resource = url;
     }else{
-      resource = url.split('/').slice(0,numPathComponents+1).join('/');
+      if(typeof numPathComponents === 'function'){
+        resource = numPathComponents.bind(req)(url);
+      }else{
+        resource = url.split('/').slice(0,numPathComponents+1).join('/');
+      }
     }
 
     if(!_actions){

From 1b2ae30c6b4ec59831e87c2683327e176c233402 Mon Sep 17 00:00:00 2001
From: alexayan <773655223@qq.com>
Date: Mon, 22 Aug 2016 16:58:57 +0800
Subject: [PATCH 2/2] modify middleware arguments assets

---
 lib/acl.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/acl.js b/lib/acl.js
index 32a5432..77f2981 100644
--- a/lib/acl.js
+++ b/lib/acl.js
@@ -636,9 +636,9 @@ Acl.prototype.clean = function(callback){
 Acl.prototype.middleware = function(numPathComponents, userId, actions){
   contract(arguments)
     .params()
-    .params('number')
-    .params('number','string|number|function')
-    .params('number','string|number|function', 'string|array')
+    .params('number|function')
+    .params('number|function','string|number|function')
+    .params('number|function','string|number|function', 'string|array')
     .end();
 
   var acl = this;