561 Zeilen
17 KiB
PHP
561 Zeilen
17 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Validate_Abstract
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*/
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require_once 'Zend/Validate/Abstract.php';
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/**
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* @see Zend_Validate_Hostname
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*/
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require_once 'Zend/Validate/Hostname.php';
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/**
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Validate_EmailAddress extends Zend_Validate_Abstract
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{
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const INVALID = 'emailAddressInvalid';
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const INVALID_FORMAT = 'emailAddressInvalidFormat';
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const INVALID_HOSTNAME = 'emailAddressInvalidHostname';
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const INVALID_MX_RECORD = 'emailAddressInvalidMxRecord';
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const INVALID_SEGMENT = 'emailAddressInvalidSegment';
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const DOT_ATOM = 'emailAddressDotAtom';
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const QUOTED_STRING = 'emailAddressQuotedString';
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const INVALID_LOCAL_PART = 'emailAddressInvalidLocalPart';
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const LENGTH_EXCEEDED = 'emailAddressLengthExceeded';
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/**
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* @var array
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*/
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protected $_messageTemplates = array(
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self::INVALID => "Invalid type given. String expected",
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self::INVALID_FORMAT => "'%value%' is no valid email address in the basic format local-part@hostname",
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self::INVALID_HOSTNAME => "'%hostname%' is no valid hostname for email address '%value%'",
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self::INVALID_MX_RECORD => "'%hostname%' does not appear to have a valid MX record for the email address '%value%'",
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self::INVALID_SEGMENT => "'%hostname%' is not in a routable network segment. The email address '%value%' should not be resolved from public network",
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self::DOT_ATOM => "'%localPart%' can not be matched against dot-atom format",
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self::QUOTED_STRING => "'%localPart%' can not be matched against quoted-string format",
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self::INVALID_LOCAL_PART => "'%localPart%' is no valid local part for email address '%value%'",
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self::LENGTH_EXCEEDED => "'%value%' exceeds the allowed length",
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);
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/**
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* @see http://en.wikipedia.org/wiki/IPv4
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* @var array
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*/
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protected $_invalidIp = array(
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'0' => '0.0.0.0/8',
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'10' => '10.0.0.0/8',
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'127' => '127.0.0.0/8',
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'128' => '128.0.0.0/16',
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'169' => '169.254.0.0/16',
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'172' => '172.16.0.0/12',
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'191' => '191.255.0.0/16',
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'192' => array(
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'192.0.0.0/24',
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'192.0.2.0/24',
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'192.88.99.0/24',
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'192.168.0.0/16'
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),
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'198' => '198.18.0.0/15',
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'223' => '223.255.255.0/24',
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'224' => '224.0.0.0/4',
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'240' => '240.0.0.0/4'
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);
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/**
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* @var array
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*/
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protected $_messageVariables = array(
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'hostname' => '_hostname',
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'localPart' => '_localPart'
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);
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/**
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* @var string
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*/
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protected $_hostname;
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/**
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* @var string
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*/
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protected $_localPart;
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/**
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* Internal options array
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*/
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protected $_options = array(
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'mx' => false,
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'deep' => false,
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'domain' => true,
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'allow' => Zend_Validate_Hostname::ALLOW_DNS,
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'hostname' => null
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);
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/**
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* Instantiates hostname validator for local use
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*
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* The following option keys are supported:
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* 'hostname' => A hostname validator, see Zend_Validate_Hostname
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* 'allow' => Options for the hostname validator, see Zend_Validate_Hostname::ALLOW_*
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* 'mx' => If MX check should be enabled, boolean
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* 'deep' => If a deep MX check should be done, boolean
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*
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* @param array|Zend_Config $options OPTIONAL
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* @return void
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*/
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public function __construct($options = array())
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{
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if ($options instanceof Zend_Config) {
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$options = $options->toArray();
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} else if (!is_array($options)) {
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$options = func_get_args();
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$temp['allow'] = array_shift($options);
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if (!empty($options)) {
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$temp['mx'] = array_shift($options);
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}
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if (!empty($options)) {
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$temp['hostname'] = array_shift($options);
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}
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$options = $temp;
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}
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$options += $this->_options;
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$this->setOptions($options);
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}
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/**
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* Returns all set Options
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*
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* @return array
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*/
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public function getOptions()
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{
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return $this->_options;
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}
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/**
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* Set options for the email validator
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*
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* @param array $options
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* @return Zend_Validate_EmailAddress fluid interface
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*/
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public function setOptions(array $options = array())
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{
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if (array_key_exists('messages', $options)) {
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$this->setMessages($options['messages']);
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}
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if (array_key_exists('hostname', $options)) {
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if (array_key_exists('allow', $options)) {
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$this->setHostnameValidator($options['hostname'], $options['allow']);
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} else {
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$this->setHostnameValidator($options['hostname']);
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}
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}
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if (array_key_exists('mx', $options)) {
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$this->setValidateMx($options['mx']);
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}
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if (array_key_exists('deep', $options)) {
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$this->setDeepMxCheck($options['deep']);
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}
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if (array_key_exists('domain', $options)) {
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$this->setDomainCheck($options['domain']);
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}
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return $this;
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}
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/**
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* Sets the validation failure message template for a particular key
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* Adds the ability to set messages to the attached hostname validator
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*
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* @param string $messageString
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* @param string $messageKey OPTIONAL
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* @return Zend_Validate_Abstract Provides a fluent interface
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* @throws Zend_Validate_Exception
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*/
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public function setMessage($messageString, $messageKey = null)
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{
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$messageKeys = $messageKey;
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if ($messageKey === null) {
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$keys = array_keys($this->_messageTemplates);
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$messageKeys = current($keys);
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}
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if (!isset($this->_messageTemplates[$messageKeys])) {
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$this->_options['hostname']->setMessage($messageString, $messageKey);
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}
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$this->_messageTemplates[$messageKeys] = $messageString;
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return $this;
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}
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/**
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* Returns the set hostname validator
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*
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* @return Zend_Validate_Hostname
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*/
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public function getHostnameValidator()
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{
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return $this->_options['hostname'];
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}
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/**
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* @param Zend_Validate_Hostname $hostnameValidator OPTIONAL
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* @param int $allow OPTIONAL
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* @return void
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*/
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public function setHostnameValidator(Zend_Validate_Hostname $hostnameValidator = null, $allow = Zend_Validate_Hostname::ALLOW_DNS)
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{
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if (!$hostnameValidator) {
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$hostnameValidator = new Zend_Validate_Hostname($allow);
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}
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$this->_options['hostname'] = $hostnameValidator;
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$this->_options['allow'] = $allow;
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return $this;
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}
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/**
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* Whether MX checking via getmxrr is supported or not
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*
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* This currently only works on UNIX systems
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*
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* @return boolean
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*/
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public function validateMxSupported()
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{
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return function_exists('getmxrr');
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}
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/**
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* Returns the set validateMx option
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*
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* @return boolean
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*/
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public function getValidateMx()
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{
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return $this->_options['mx'];
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}
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/**
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* Set whether we check for a valid MX record via DNS
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*
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* This only applies when DNS hostnames are validated
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*
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* @param boolean $mx Set allowed to true to validate for MX records, and false to not validate them
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* @return Zend_Validate_EmailAddress Fluid Interface
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*/
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public function setValidateMx($mx)
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{
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if ((bool) $mx && !$this->validateMxSupported()) {
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require_once 'Zend/Validate/Exception.php';
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throw new Zend_Validate_Exception('MX checking not available on this system');
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}
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$this->_options['mx'] = (bool) $mx;
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return $this;
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}
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/**
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* Returns the set deepMxCheck option
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*
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* @return boolean
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*/
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public function getDeepMxCheck()
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{
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return $this->_options['deep'];
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}
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/**
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* Set whether we check MX record should be a deep validation
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*
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* @param boolean $deep Set deep to true to perform a deep validation process for MX records
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* @return Zend_Validate_EmailAddress Fluid Interface
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*/
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public function setDeepMxCheck($deep)
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{
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$this->_options['deep'] = (bool) $deep;
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return $this;
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}
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/**
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* Returns the set domainCheck option
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*
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* @return unknown
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*/
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public function getDomainCheck()
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{
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return $this->_options['domain'];
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}
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/**
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* Sets if the domain should also be checked
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* or only the local part of the email address
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*
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* @param boolean $domain
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* @return Zend_Validate_EmailAddress Fluid Interface
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*/
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public function setDomainCheck($domain = true)
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{
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$this->_options['domain'] = (boolean) $domain;
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return $this;
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}
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/**
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* Returns if the given host is reserved
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*
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* @param string $host
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* @return boolean
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*/
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private function _isReserved($host){
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if (!preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $host)) {
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$host = gethostbyname($host);
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}
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$octet = explode('.',$host);
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if ((int)$octet[0] >= 224) {
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return true;
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} else if (array_key_exists($octet[0], $this->_invalidIp)) {
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foreach ((array)$this->_invalidIp[$octet[0]] as $subnetData) {
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// we skip the first loop as we already know that octet matches
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for ($i = 1; $i < 4; $i++) {
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if (strpos($subnetData, $octet[$i]) !== $i * 4) {
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break;
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}
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}
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$host = explode("/", $subnetData);
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$binaryHost = "";
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$tmp = explode(".", $host[0]);
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for ($i = 0; $i < 4 ; $i++) {
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$binaryHost .= str_pad(decbin($tmp[$i]), 8, "0", STR_PAD_LEFT);
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}
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$segmentData = array(
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'network' => (int)$this->_toIp(str_pad(substr($binaryHost, 0, $host[1]), 32, 0)),
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'broadcast' => (int)$this->_toIp(str_pad(substr($binaryHost, 0, $host[1]), 32, 1))
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);
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for ($j = $i; $j < 4; $j++) {
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if ((int)$octet[$j] < $segmentData['network'][$j] ||
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(int)$octet[$j] > $segmentData['broadcast'][$j]) {
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return false;
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}
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}
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}
|
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return true;
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||
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} else {
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return false;
|
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}
|
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}
|
||
|
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|
||
|
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/**
|
||
|
|
* Converts a binary string to an IP address
|
||
|
|
*
|
||
|
|
* @param string $binary
|
||
|
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* @return mixed
|
||
|
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*/
|
||
|
|
private function _toIp($binary)
|
||
|
|
{
|
||
|
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$ip = array();
|
||
|
|
$tmp = explode(".", chunk_split($binary, 8, "."));
|
||
|
|
for ($i = 0; $i < 4 ; $i++) {
|
||
|
|
$ip[$i] = bindec($tmp[$i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $ip;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Internal method to validate the local part of the email address
|
||
|
|
*
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
private function _validateLocalPart()
|
||
|
|
{
|
||
|
|
// First try to match the local part on the common dot-atom format
|
||
|
|
$result = false;
|
||
|
|
|
||
|
|
// Dot-atom characters are: 1*atext *("." 1*atext)
|
||
|
|
// atext: ALPHA / DIGIT / and "!", "#", "$", "%", "&", "'", "*",
|
||
|
|
// "+", "-", "/", "=", "?", "^", "_", "`", "{", "|", "}", "~"
|
||
|
|
$atext = 'a-zA-Z0-9\x21\x23\x24\x25\x26\x27\x2a\x2b\x2d\x2f\x3d\x3f\x5e\x5f\x60\x7b\x7c\x7d\x7e';
|
||
|
|
if (preg_match('/^[' . $atext . ']+(\x2e+[' . $atext . ']+)*$/', $this->_localPart)) {
|
||
|
|
$result = true;
|
||
|
|
} else {
|
||
|
|
// Try quoted string format
|
||
|
|
|
||
|
|
// Quoted-string characters are: DQUOTE *([FWS] qtext/quoted-pair) [FWS] DQUOTE
|
||
|
|
// qtext: Non white space controls, and the rest of the US-ASCII characters not
|
||
|
|
// including "\" or the quote character
|
||
|
|
$noWsCtl = '\x01-\x08\x0b\x0c\x0e-\x1f\x7f';
|
||
|
|
$qtext = $noWsCtl . '\x21\x23-\x5b\x5d-\x7e';
|
||
|
|
$ws = '\x20\x09';
|
||
|
|
if (preg_match('/^\x22([' . $ws . $qtext . '])*[$ws]?\x22$/', $this->_localPart)) {
|
||
|
|
$result = true;
|
||
|
|
} else {
|
||
|
|
$this->_error(self::DOT_ATOM);
|
||
|
|
$this->_error(self::QUOTED_STRING);
|
||
|
|
$this->_error(self::INVALID_LOCAL_PART);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Internal method to validate the servers MX records
|
||
|
|
*
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
private function _validateMXRecords()
|
||
|
|
{
|
||
|
|
$mxHosts = array();
|
||
|
|
$result = getmxrr($this->_hostname, $mxHosts);
|
||
|
|
if (!$result) {
|
||
|
|
$this->_error(self::INVALID_MX_RECORD);
|
||
|
|
} else if ($this->_options['deep'] && function_exists('checkdnsrr')) {
|
||
|
|
$validAddress = false;
|
||
|
|
$reserved = true;
|
||
|
|
foreach ($mxHosts as $hostname) {
|
||
|
|
$res = $this->_isReserved($hostname);
|
||
|
|
if (!$res) {
|
||
|
|
$reserved = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$res
|
||
|
|
&& (checkdnsrr($hostname, "A")
|
||
|
|
|| checkdnsrr($hostname, "AAAA")
|
||
|
|
|| checkdnsrr($hostname, "A6"))) {
|
||
|
|
$validAddress = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$validAddress) {
|
||
|
|
$result = false;
|
||
|
|
if ($reserved) {
|
||
|
|
$this->_error(self::INVALID_SEGMENT);
|
||
|
|
} else {
|
||
|
|
$this->_error(self::INVALID_MX_RECORD);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Internal method to validate the hostname part of the email address
|
||
|
|
*
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
private function _validateHostnamePart()
|
||
|
|
{
|
||
|
|
$hostname = $this->_options['hostname']->setTranslator($this->getTranslator())
|
||
|
|
->isValid($this->_hostname);
|
||
|
|
if (!$hostname) {
|
||
|
|
$this->_error(self::INVALID_HOSTNAME);
|
||
|
|
|
||
|
|
// Get messages and errors from hostnameValidator
|
||
|
|
foreach ($this->_options['hostname']->getMessages() as $code => $message) {
|
||
|
|
$this->_messages[$code] = $message;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($this->_options['hostname']->getErrors() as $error) {
|
||
|
|
$this->_errors[] = $error;
|
||
|
|
}
|
||
|
|
} else if ($this->_options['mx']) {
|
||
|
|
// MX check on hostname
|
||
|
|
$hostname = $this->_validateMXRecords();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $hostname;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Defined by Zend_Validate_Interface
|
||
|
|
*
|
||
|
|
* Returns true if and only if $value is a valid email address
|
||
|
|
* according to RFC2822
|
||
|
|
*
|
||
|
|
* @link http://www.ietf.org/rfc/rfc2822.txt RFC2822
|
||
|
|
* @link http://www.columbia.edu/kermit/ascii.html US-ASCII characters
|
||
|
|
* @param string $value
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function isValid($value)
|
||
|
|
{
|
||
|
|
if (!is_string($value)) {
|
||
|
|
$this->_error(self::INVALID);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$matches = array();
|
||
|
|
$length = true;
|
||
|
|
$this->_setValue($value);
|
||
|
|
|
||
|
|
// Split email address up and disallow '..'
|
||
|
|
if ((strpos($value, '..') !== false) or
|
||
|
|
(!preg_match('/^(.+)@([^@]+)$/', $value, $matches))) {
|
||
|
|
$this->_error(self::INVALID_FORMAT);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_localPart = $matches[1];
|
||
|
|
$this->_hostname = $matches[2];
|
||
|
|
|
||
|
|
if ((strlen($this->_localPart) > 64) || (strlen($this->_hostname) > 255)) {
|
||
|
|
$length = false;
|
||
|
|
$this->_error(self::LENGTH_EXCEEDED);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Match hostname part
|
||
|
|
if ($this->_options['domain']) {
|
||
|
|
$hostname = $this->_validateHostnamePart();
|
||
|
|
}
|
||
|
|
|
||
|
|
$local = $this->_validateLocalPart();
|
||
|
|
|
||
|
|
// If both parts valid, return true
|
||
|
|
if ($local && $length) {
|
||
|
|
if (($this->_options['domain'] && $hostname) || !$this->_options['domain']) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|