From 1e31f4d1dd8cf22784421ca455b362bfe9c85314 Mon Sep 17 00:00:00 2001
From: iglocska <andras.iklody@gmail.com>
Date: Wed, 1 Dec 2021 14:25:34 +0100
Subject: [PATCH] new: [ACL Helper] check access for controller / action pair
 for given user

- accesible everywhere in the UI
---
 src/View/AppView.php          |  1 +
 src/View/Helper/ACLHelper.php | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 src/View/Helper/ACLHelper.php

diff --git a/src/View/AppView.php b/src/View/AppView.php
index 7636a87..9018168 100644
--- a/src/View/AppView.php
+++ b/src/View/AppView.php
@@ -44,5 +44,6 @@ class AppView extends View
         $this->loadHelper('FormFieldMassage');
         $this->loadHelper('Paginator', ['templates' => 'cerebrate-pagination-templates']);
         $this->loadHelper('Tags.Tag');
+        $this->loadHelper('ACL');
     }
 }
diff --git a/src/View/Helper/ACLHelper.php b/src/View/Helper/ACLHelper.php
new file mode 100644
index 0000000..e563e82
--- /dev/null
+++ b/src/View/Helper/ACLHelper.php
@@ -0,0 +1,25 @@
+<?php
+namespace App\View\Helper;
+
+use Cake\View\Helper;
+
+// This helper helps determining the brightness of a colour (initially only used for the tagging) in order to decide
+// what text colour to use against the background (black or white)
+class ACLHelper extends Helper {
+
+    private $roleAccess = [];
+
+    public function checkAccess($controller, $action) {
+        if (empty($this->roleAccess)) {
+            $this->roleAccess = $this->getView()->get('roleAccess');
+        }
+        if (
+            in_array($action, $this->roleAccess['*']) ||
+            (isset($this->roleAccess[$controller]) && in_array($action, $this->roleAccess[$controller]))
+        ) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}