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95 lines
3.3 KiB
PHP
95 lines
3.3 KiB
PHP
<?php
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/**
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* CEmailValidator 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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* CEmailValidator validates that the attribute value is a valid email address.
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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 CEmailValidator extends CValidator
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{
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/**
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* @var string the regular expression used to validate the attribute value.
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* @see http://www.regular-expressions.info/email.html
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*/
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public $pattern='/^[a-zA-Z0-9!#$%&\'*+\\/=?^_`{|}~-]+(?:\.[a-zA-Z0-9!#$%&\'*+\\/=?^_`{|}~-]+)*@(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$/';
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/**
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* @var string the regular expression used to validate email addresses with the name part.
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* This property is used only when {@link allowName} is true.
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* @since 1.0.5
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* @see allowName
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*/
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public $fullPattern='/^[^@]*<[a-zA-Z0-9!#$%&\'*+\\/=?^_`{|}~-]+(?:\.[a-zA-Z0-9!#$%&\'*+\\/=?^_`{|}~-]+)*@(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?>$/';
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/**
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* @var boolean whether to allow name in the email address (e.g. "Qiang Xue <qiang.xue@gmail.com>"). Defaults to false.
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* @since 1.0.5
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* @see fullPattern
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*/
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public $allowName=false;
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/**
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* @var boolean whether to check the MX record for the email address.
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* Defaults to false. To enable it, you need to make sure the PHP function 'checkdnsrr'
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* exists in your PHP installation.
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*/
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public $checkMX=false;
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/**
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* @var boolean whether to check port 25 for the email address.
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* Defaults to false.
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* @since 1.0.4
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*/
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public $checkPort=false;
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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?$this->message:Yii::t('yii','{attribute} is not a valid email address.');
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$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 email.
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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 $value the value to be validated
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* @return boolean whether the value is a valid email
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* @since 1.1.1
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*/
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public function validateValue($value)
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{
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$valid=is_string($value) && (preg_match($this->pattern,$value) || $this->allowName && preg_match($this->fullPattern,$value));
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if($valid)
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$domain=rtrim(substr($value,strpos($value,'@')+1),'>');
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if($valid && $this->checkMX && function_exists('checkdnsrr'))
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$valid=checkdnsrr($domain,'MX');
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if($valid && $this->checkPort && function_exists('fsockopen'))
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$valid=fsockopen($domain,25)!==false;
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return $valid;
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}
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}
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