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100 lines
2.3 KiB
PHP
100 lines
2.3 KiB
PHP
<?php
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class UserController extends CController
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{
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/**
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* Declares class-based actions.
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*/
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public function actions()
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{
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return array(
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// captcha action renders the CAPTCHA image
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'captcha'=>array(
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'class'=>'CCaptchaAction',
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'backColor'=>0xEBF4FB,
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),
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);
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}
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/**
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* Displays a login form to login a user.
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*/
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public function actionLogin()
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{
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$user=new LoginForm;
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if(Yii::app()->request->isPostRequest)
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{
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// collects user input data
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if(isset($_POST['LoginForm']))
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$user->setAttributes($_POST['LoginForm']);
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// validates user input and redirect to homepage if validated
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if($user->validate())
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$this->redirect(Yii::app()->user->returnUrl);
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}
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// displays the login form
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$this->render('login',array('user'=>$user));
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}
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/**
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* Logout the current user and redirect to homepage.
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*/
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public function actionLogout()
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{
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Yii::app()->user->logout();
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$this->redirect(Yii::app()->homeUrl);
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}
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}
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/**
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* LoginForm class.
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* LoginForm is the data structure for keeping
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* user login form data. It is used by the 'login' action of 'UserController'.
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*/
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class LoginForm extends CFormModel
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{
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public $username;
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public $password;
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public $rememberMe;
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public $verifyCode;
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/**
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* Declares the validation rules.
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* The rules state that username and password are required,
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* and password needs to be authenticated.
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*/
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public function rules()
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{
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return array(
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array('username, password', 'required'),
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array('verifyCode', 'captcha', 'allowEmpty'=>!extension_loaded('gd')),
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array('password', 'authenticate'),
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);
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}
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/**
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* Declares attribute labels.
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* If not declared here, an attribute would have a label
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* the same as the attribute name with the first letter in upper case.
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*/
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public function attributeLabels()
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{
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return array(
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'verifyCode'=>'Verification Code',
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);
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}
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/**
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* Authenticates the password.
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* This is the 'authenticate' validator as declared in rules().
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*/
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public function authenticate($attribute,$params)
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{
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if(!$this->hasErrors()) // we only want to authenticate when no input errors
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{
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$duration=$this->rememberMe ? 3600*24*30 : 0; // 30 days
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if(!Yii::app()->user->login($this->username,$this->password,$duration))
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$this->addError('password','Incorrect password.');
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}
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}
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}
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