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doctrine2/lib/Doctrine/Validator/Email.php
2006-10-02 01:30:08 +00:00

49 lines
1.6 KiB
PHP

<?php
class Doctrine_Validator_Email {
/**
* @link http://iamcal.com/publish/articles/php/parsing_email/pdf/
* @param Doctrine_Record $record
* @param string $key
* @param mixed $value
* @param string $args
* @return boolean
*/
public function validate(Doctrine_Record $record, $key, $value, $args) {
if(empty($value))
return true;
if(isset($args[0])) {
$parts = explode("@", $value);
if(isset($parts[1]) && function_exists("checkdnsrr")) {
if( ! checkdnsrr($parts[1], "MX"))
return false;
}
}
$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$sub_domain)+";
/*
following psudocode to allow strict checking - ask pookey about this if you're puzzled
if ($this->getValidationOption('strict_checking') == true)
$domain = "$sub_domain(\\x2e$sub_domain)*";
*/
$local_part = "$word(\\x2e$word)*";
$addr_spec = "$local_part\\x40$domain";
return (bool)preg_match("!^$addr_spec$!", $value);
}
}