Zend Framework Source Code Snippets

Zend Auth Action Helper

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<?php
require_once "Zend/Controller/Action/Helper/Abstract.php";
require_once "Zend/Auth.php";
 
class My_Controller_Action_Helper_AuthUsers extends Zend_Controller_Action_Helper_Abstract{
    /**
     * Constructor
     *     
     * @return void     */
    public function __construct()
    {
    }
     public function preDispatch()
    {
        if ($this->getRequest()->isPost() && $this->getRequest()->getParam("username"))
        {
            $username = $this->getRequest()->getParam("username");            $password = $this->getRequest()->getParam("password");
            
            if ($this->authenticateUser($username, $password)){
                ; 
            }else{                $this->getActionController()->view->loginformerror = true;
            }
        }                
        $this->getActionController()->view->isLoggedInUser = $this->isLoggedInUser();        
    } 
        /**
         * Returns true if user is authenticated as user
         * @return bool
         */    public function isLoggedInUser()
    {
        $session = new Zend_Session_Namespace("auth");
        return (isset($session->userLoggedIn) && $session->userLoggedIn);
    } 
    /**
         *
         * @param string $username - username or email
         * @param string $password - password         * @return bool
         */
        public function authenticateUser($username, $password)
        {
                $auth = Zend_Auth::getInstance();                
        $db = Zend_Db_Table::getDefaultAdapter();
 
                if (strpos($username, "@") === false){
                        $authAdapter = new Zend_Auth_Adapter_DbTable($db, "users", "username", "password");                }else{
                        $authAdapter = new Zend_Auth_Adapter_DbTable($db, "users", "email", "password");
                }
                
        $authAdapter->setIdentity($username)->setCredential(hash("sha256", "23ns" . $password . "cx89a"));        
                $authResult = $auth->authenticate($authAdapter);
                
                if ($authResult->isValid()){
                                                //valid username and password
                        $userInfo = $authAdapter->getResultRowObject();
            $user = new ZF_User();
            $user = $user->find($userInfo->id);
                         //save userinfo in session
            $session = new Zend_Session_Namespace("auth");
            $session->userLoggedIn = true;
            $session->userId = $userInfo->id;
            $session->user = $user;            
                        return true;
                }else{
                        return false;
                }        }
    
        public function logout()
        {
                $auth = Zend_Auth::getInstance();                $auth->clearIdentity();
        $session = new Zend_Session_Namespace("auth");
        $session->userLoggedIn = false;
        $session->userId = null;
        $session->user = null;                        Zend_Session::forgetMe();
        }
}

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Snippet description

This action helper authenticates user login. It expects either email address or username from the username field of login form and save the password using one way encryption "hash". It creates a namespace with the name of "auth" in session. Variable "isLoggedInUser()" method can be called (for example in preDispatch) to check whether user is logged in or not.

Snippet details

Created:
neeraj neeraj
2 months ago
Edited:
neeraj neeraj
2 months ago
Revision Id:
224
Edit Message:
Initial Release
ZF Version
1.8.0
Tags:
zend auth action helper
Comments:
0
Views:
854
Points:
0 (0 votes)

History

r224

Initial Release

neeraj neeraj
2 months ago
diff
r219

Initial Release

neeraj neeraj
2 months ago
diff
r218

Initial Release

neeraj neeraj
2 months ago
diff
r217

Initial Release

neeraj neeraj
2 months ago