login from index and ajax login

login my app with site/index with ajax request

when user insert true username and password first time , can login correct

if username or pass wrong first time , captcha show then if all input true

show error captcha wrong

this my codes

loginForm




<?php

 

 /**

 * LoginForm class.

 * LoginForm is the data structure for keeping

 * user login form data. It is used by the 'login' action of 'SiteController'.

 */

 class LoginForm extends CFormModel

 {

 public $username;

 public $password;

 public $rememberMe;

 public $verifyCode;

 private $_identity;

 

 /**

 * Declares the validation rules.

 * The rules state that username and password are required,

 * and password needs to be authenticated.

 */

 public function rules()

 {

 return array(

 // username and password are required

 array('username, password', 'required'),

 // rememberMe needs to be a boolean

 array('rememberMe', 'boolean'),

 // password needs to be authenticated

 array('password', 'authenticate'),

 //

 array('verifyCode', 'captcha', 'allowEmpty'=>!CCaptcha::checkRequirements(), 'on' => 'captchaNeed'),

 );

 }

 

 /**

 * Declares attribute labels.

 */

 public function attributeLabels()

 {

 return array(

 'rememberMe'=>'Remember me next time',

 );

 }

 

 /**

 * Authenticates the password.

 * This is the 'authenticate' validator as declared in rules().

 */

 public function authenticate($attribute,$params)

 {

 if(!$this->hasErrors())

 {

 $this->_identity=new UserIdentity($this->username,$this->password);

 if(!$this->_identity->authenticate())

 $this->addError('password','Incorrect username or password.');

 }

 }

 

 /**

 * Logs in the user using the given username and password in the model.

 * @return boolean whether login is successful

 */

 public function login()

 {

 if($this->_identity===null)

 {

 $this->_identity=new UserIdentity($this->username,$this->password);

 $this->_identity->authenticate();

 }

 if($this->_identity->errorCode===UserIdentity::ERROR_NONE)

 {

 $duration=$this->rememberMe ? 3600*24*30 : 0; // 30 days

 Yii::app()->user->login($this->_identity,$duration);

 return true;

 }

 else

 return false;

 }

 }

 

site/index

[PHP]

/**

  • This is the default ‘index’ action that is invoked

  • when ad action is not explicitly requested by users.

*/

public function actionIndex(){

// set default layout

$this->layout = ‘main’;

$loginModel = new LoginForm;

if(Yii::app()->request->isAjaxRequest)

{

if(isset(Yii::app()->session[‘captchaNeed’]))

LoginModel->scenario = ‘captchaNeed’;

if(isset($_POST[‘LoginForm’]))

{

$loginModel->attributes = $_POST[‘LoginForm’];

if($loginModel->validate() && $loginModel->login())

{

echo ‘<script>window.location= "’ . Yii::app()->createUrl(‘site/dashboard’) . ‘"</script>’;

unset(Yii::app()->session[‘captchaNeed’]);

Yii::app()->end();

}else{

Yii::app()->session[‘captchaNeed’] = true;

$loginModel->scenario = ‘captchaNeed’;

}

$this->renderPartial(’_login’, array(‘model’ => $loginModel));

}

}

if(!Yii::app()->request->isAjaxRequest)

$this->render(‘index’, array(‘loginModel’ => $loginModel));

}

[/PHP]

siteController — actions()

[PHP]

public function actions()

{

return array(

‘captcha’=>array(

‘class’=>‘CCaptchaAction’,

‘minLenght’=>4,

‘maxLenght’=>4,

‘testLimit’=>1,

‘backColor’=>0x7D287E,

‘foreColor’=>0xFFFFFF,

‘height’=>24,

‘width’=>100,

‘offset’=>1,

),

)

}

[/PHP]

view\site\index

[PHP]

<section class="col-xs-8" id="index-login">

<?php if(Yii::app()->user->isGuest) : ?>

<div id="login">

<?php $this->renderPartial(’_login’, array(‘model’ => $loginModel)) ; ?>

</div>

<?php echo CHtml::ajaxSubmitButton(‘Login’,

Yii::app()->createUrl(‘site/index’),

array(

‘type’ => ‘post’,

‘update’ => ‘#login’,

‘data’ => 'js:$("#login-form").serialize();

),

array(

‘id’=>uniqid(),

‘class’=>‘btn btn-danger’,

)

); ?>

<?php endif; ?>

</section>

</div>

</div>

[/PHP]

view\site\_login

[PHP]

<?php

/* @var $this SiteController */

/* @var $model LoginForm */

/* @var $form CActiveForm */

$this->pageTitle=Yii::app()->name . ’ - Login’;

$this->breadcrumbs=array(

‘Login’,

);

?>

<h1>Login</h1>

<p>Please fill out the following form with your login credentials:</p>

<div class="form">

<?php $form=$this->beginWidget(‘CActiveForm’, array(

‘id’=>‘login-form’,

)); ?>

<p class="note">Fields with <span class="required">*</span> are required.</p>

<div class="row">

<?php echo $form->labelEx($model,‘username’); ?>

<?php echo $form->textField($model,‘username’); ?>

<?php echo $form->error($model,‘username’); ?>

</div>

<div class="row">

<?php echo $form->labelEx($model,‘password’); ?>

<?php echo $form->passwordField($model,‘password’); ?>

<?php echo $form->error($model,‘password’); ?>

<p class="hint">

Hint: You may login with <kbd>demo</kbd>/<kbd>demo</kbd> or <kbd>admin</kbd>/<kbd>admin</kbd>.

</p>

</div>

<?php if(CCaptcha::checkRequirements() && $model->scenario == ‘captchaNeed’): ?>

<div class="row">

<?php echo $form->labelEx($model,‘verifyCode’); ?>

<div>

<?php $this->widget(‘CCaptcha’); ?>

<?php echo $form->textField($model,‘verifyCode’); ?>

</div>

<div class="hint">Please enter the letters as they are shown in the image above.

<br/>Letters are not case-sensitive.</div>

<?php echo $form->error($model,‘verifyCode’); ?>

</div>

<?php endif; ?>

<div class="row rememberMe">

<?php echo $form->checkBox($model,‘rememberMe’); ?>

<?php echo $form->label($model,‘rememberMe’); ?>

<?php echo $form->error($model,‘rememberMe’); ?>

</div>

<div class="row buttons">

<?php echo CHtml::submitButton(‘Login’); ?>

</div>

<?php $this->endWidget(); ?>

</div><!-- form -->

[/PHP]

help me ! ty all