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73 lines
2.3 KiB
PHP
73 lines
2.3 KiB
PHP
<?php
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/**
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* CCaptchaValidator class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008-2011 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CCaptchaValidator validates that the attribute value is the same as the verification code displayed in the CAPTCHA.
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*
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* CCaptchaValidator should be used together with {@link CCaptchaAction}.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id$
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* @package system.validators
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* @since 1.0
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*/
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class CCaptchaValidator extends CValidator
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{
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/**
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* @var boolean whether the comparison is case sensitive. Defaults to false.
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*/
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public $caseSensitive=false;
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/**
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* @var string ID of the action that renders the CAPTCHA image. Defaults to 'captcha',
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* meaning the 'captcha' action declared in the current controller.
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* This can also be a route consisting of controller ID and action ID.
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*/
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public $captchaAction='captcha';
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/**
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* @var boolean whether the attribute value can be null or empty.
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* Defaults to false, meaning the attribute is invalid if it is empty.
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*/
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public $allowEmpty=false;
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/**
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* Validates the attribute of the object.
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* If there is any error, the error message is added to the object.
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* @param CModel $object the object being validated
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* @param string $attribute the attribute being validated
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*/
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protected function validateAttribute($object,$attribute)
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{
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$value=$object->$attribute;
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if($this->allowEmpty && $this->isEmpty($value))
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return;
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if(($captcha=Yii::app()->getController()->createAction($this->captchaAction))===null)
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{
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if(strpos($this->captchaAction,'/')!==false) // contains controller or module
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{
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if(($ca=Yii::app()->createController($this->captchaAction))!==null)
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{
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list($controller,$actionID)=$ca;
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$captcha=$controller->createAction($actionID);
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}
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}
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if($captcha===null)
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throw new CException(Yii::t('yii','CCaptchaValidator.action "{id}" is invalid. Unable to find such an action in the current controller.',
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array('{id}'=>$this->captchaAction)));
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}
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if(!$captcha->validate($value,$this->caseSensitive))
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{
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$message=$this->message!==null?$this->message:Yii::t('yii','The verification code is incorrect.');
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$this->addError($object,$attribute,$message);
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}
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}
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}
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