Initial Commit

library/App/Service/Auth.php

@@ -0,0 +1,74 @@
+<?php
+
+class App_Service_Auth
+{
+    protected $_auth;
+    protected $_configs;
+    protected $_acl;
+
+    public function __construct()
+    {
+        $this->_configs = new App_Service_ConfigManager();
+        $this->_acl = new App_Model_Acl_Acl();
+    }
+    
+    public function authenticate($credentials)
+    {
+        $adapter = $this->getAuthAdapter($credentials);
+        $auth    = $this->getAuth();
+        $result  = $auth->authenticate($adapter);
+
+        if (!$result->isValid()) {
+            return false;
+        }
+
+        $user = $adapter->getResultRowObject();
+        Zend_Registry::set("username",$user->username);
+        Zend_Registry::set("role",$user->role);
+
+        $auth->getStorage()->write($user);
+
+        return true;
+    }
+    
+    public function getAuth()
+    {
+        if (null === $this->_auth) {
+            $this->_auth = Zend_Auth::getInstance();
+        }
+        return $this->_auth;
+    }
+    
+    public function getIdentity()
+    {
+        $auth = $this->getAuth();
+        if ($auth->hasIdentity()) {
+            return $auth->getIdentity();
+        }
+        return false;
+    }
+
+    public function checkPermission($resourceName){
+        return $this->_acl->isAllowed($this->getIdentity()->role, $resourceName);
+    }
+    
+    public function clear()
+    {
+        $this->getAuth()->clearIdentity();
+    }
+    
+    public function getAuthAdapter($values)
+    {
+        $salt = Zend_Registry::get('ENVIROMENTS')->get('password_salt');
+		$authAdapter = new Zend_Auth_Adapter_DbTable(
+			Zend_Db_Table_Abstract::getDefaultAdapter(),
+			'users',
+			'username',
+			'password',
+            "MD5(CONCAT('$salt',?))"
+		);
+		$authAdapter->setIdentity($values['username']);
+		$authAdapter->setCredential($values['password']);
+        return $authAdapter;
+    }
+}