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63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
<?php
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/**
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* CUrlValidator 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 © 2008-2010 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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* CUrlValidator validates that the attribute value is a valid http or https URL.
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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 CUrlValidator extends CValidator
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{
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/**
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* @var string the regular expression used to validates the attribute value.
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*/
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public $pattern='/^(http|https):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)/i';
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/**
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* @var boolean whether the attribute value can be null or empty. Defaults to true,
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* meaning that if the attribute is empty, it is considered valid.
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*/
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public $allowEmpty=true;
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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(!$this->validateValue($value))
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{
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} is not a valid URL.');
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$this->addError($object,$attribute,$message);
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}
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}
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/**
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* Validates a static value to see if it is a valid URL.
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* Note that this method does not respect {@link allowEmpty} property.
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* This method is provided so that you can call it directly without going through the model validation rule mechanism.
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* @param mixed $value the value to be validated
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* @return boolean whether the value is a valid URL
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* @since 1.1.1
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*/
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public function validateValue($value)
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{
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return is_string($value) && preg_match($this->pattern,$value);
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}
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}
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