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Chris Sewell
2012-11-28 03:55:08 -05:00
parent 7adb399b2e
commit cf140a2e97
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lib/symfony/validator/sfEmailValidator.class.php Executable file
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<?php
/*
* This file is part of the symfony package.
* (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
* (c) 2004-2006 Sean Kerr.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* sfEmailValidator verifies a parameter contains a value that qualifies as an
* email address.
*
* @package symfony
* @subpackage validator
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
* @author Sean Kerr <skerr@mojavi.org>
* @version SVN: $Id: sfEmailValidator.class.php 3233 2007-01-11 21:01:08Z fabien $
*/
class sfEmailValidator extends sfValidator
{
/**
* Executes this validator.
*
* @param mixed A file or parameter value/array
* @param error An error message reference
*
* @return bool true, if this validator executes successfully, otherwise false
*/
public function execute(&$value, &$error)
{
$strict = $this->getParameterHolder()->get('strict');
if ($strict == true)
{
$re = '/^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i';
}
else
{
/* Cal Henderson: http://iamcal.com/publish/articles/php/parsing_email/pdf/
* The long regular expression below is made by the following code
* fragment:
*
* $qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
* $dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
* $atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c'
* . '\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
* $quoted_pair = '\\x5c\\x00-\\x7f';
* $domain_literal = "\\x5b($dtext|$quoted_pair)*\\x5d";
* $quoted_string = "\\x22($qtext|$quoted_pair)*\\x22";
* $domain_ref = $atom;
* $sub_domain = "($domain_ref|$domain_literal)";
* $word = "($atom|$quoted_string)";
* $domain = "$sub_domain(\\x2e$sub_domain)*";
* $local_part = "$word(\\x2e$word)*";
* $addr_spec = "$local_part\\x40$domain";
*/
$re = '/^([^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-'
.'\\x5d\\x7f-\\xff]+|\\x22([^\\x0d\\x22\\x5c\\x80-\\xff]|\\x5c\\x00-'
.'\\x7f)*\\x22)(\\x2e([^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-'
.'\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+|\\x22([^\\x0d\\x22\\x5c\\x80'
.'-\\xff]|\\x5c\\x00-\\x7f)*\\x22))*\\x40([^\\x00-\\x20\\x22\\x28\\x29'
.'\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+|\\x5b([^'
.'\\x0d\\x5b-\\x5d\\x80-\\xff]|\\x5c\\x00-\\x7f)*\\x5d)(\\x2e([^\\x00-'
.'\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-'
.'\\xff]+|\\x5b([^\\x0d\\x5b-\\x5d\\x80-\\xff]|\\x5c\\x00-\\x7f)*'
.'\\x5d))*$/'
;
}
if (!preg_match($re, $value))
{
$error = $this->getParameterHolder()->get('email_error');
return false;
}
$checkDomain = $this->getParameterHolder()->get('check_domain');
if ($checkDomain && function_exists('checkdnsrr'))
{
$tokens = explode('@', $value);
if (!checkdnsrr($tokens[1], 'MX') && !checkdnsrr($tokens[1], 'A'))
{
$error = $this->getParameterHolder()->get('email_error');
return false;
}
}
return true;
}
/**
* Initializes this validator.
*
* @param sfContext The current application context
* @param array An associative array of initialization parameters
*
* @return bool true, if initialization completes successfully, otherwise false
*/
public function initialize($context, $parameters = null)
{
// initialize parent
parent::initialize($context);
// set defaults
$this->getParameterHolder()->set('strict', true);
$this->getParameterHolder()->set('check_domain', false);
$this->getParameterHolder()->set('email_error', 'Invalid input');
$this->getParameterHolder()->add($parameters);
return true;
}
}