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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2018 Bitrix
*/
namespace Bitrix\Main\Mail;
use Bitrix\Main\Text\Emoji;
/**
* Class Address
* @package Bitrix\Main\Mail
*/
class Address
{
/** @var string|null $name Name. */
protected $name = null;
/** @var string|null $email Email. */
protected $email = null;
private $checkingPunycode;
/**
* Return true if is valid.
*
* @param string $address Address.
* @return bool
*/
public static function isValid($address)
{
return (new static($address))->validate();
}
/**
* Address constructor.
* @param null $address
* @param array $options - possible keys are:
* checkingPunycode - converting domain with non-latin symbols into punycode before validation
*/
public function __construct($address = null, $options = [])
{
if (array_key_exists('checkingPunycode', $options))
{
$this->setCheckingPunycode($options['checkingPunycode']);
}
if ($address)
{
$this->set($address);
}
}
public function setCheckingPunycode($checkingPunycode)
{
$this->checkingPunycode = (bool)$checkingPunycode;
}
/**
* Get encoded address.
*
* @return null|string
*/
public function getEncoded()
{
if (!$this->email)
{
return null;
}
if ($this->name)
{
$address = sprintf(
'%s <%s>',
sprintf('=?%s?B?%s?=', SITE_CHARSET, base64_encode($this->name)),
$this->email
);
}
else
{
$address = "<{$this->email}>";
}
return $address;
}
/**
* Get address.
*
* @return null|string
*/
public function get()
{
if (!$this->email)
{
return null;
}
$address = '';
if ($this->name)
{
$address = $this->name . ' ';
}
$address .= "<{$this->email}>";
return $address;
}
/**
* Set address.
*
* @param null|string $address
* @return $this
*/
public function set($address)
{
$this->parse($address);
return $this;
}
/**
* Get name.
*
* @return null|string
*/
public function getName()
{
return Emoji::decode($this->name);
}
/**
* Set name.
*
* @param null|string $name
* @return $this
*/
public function setName($name)
{
$name = trim($name, "\x20\t\n\r\0\x0b");
if ($name != '')
{
$name = str_replace(
array('\\', '"', '<', '>'),
array('/', '\'', '(', ')'),
$name
);
}
$this->name = $name;
return $this;
}
/**
* Get email.
*
* @return null|string
*/
public function getEmail()
{
return $this->email;
}
/**
* Set email.
*
* @param null|string $email
* @return $this
*/
public function setEmail($email)
{
$email = mb_strtolower(trim($email));
if (!$this->checkMail($email))
{
$email = null;
}
$this->email = $email;
return $this;
}
/**
* Validate address.
*
* @return bool.
*/
public function validate()
{
return !empty($this->email);
}
/**
* Parse address.
*
* @param string $address Address.
* @return void
*/
protected function parse($address)
{
$this->setName('');
$this->setEmail('');
if (!$address)
{
return;
}
if (preg_match('/(.*)<(.+?)>\s*$/is', $address, $matches))
{
$this->setName($matches[1]);
$this->setEmail($matches[2]);
}
else
{
$this->setEmail($address);
}
}
private function checkMail($email)
{
if (check_email($email, true))
{
return true;
}
if ($this->checkingPunycode)
{
$addressWithPunycodeDomain = $this->convertAddressToPunycode($email);
if ($addressWithPunycodeDomain)
{
return check_email($addressWithPunycodeDomain, true);
}
}
return false;
}
/** Converts domain part to punycode
* @param $email
* @return bool|string
*/
private function convertAddressToPunycode($email)
{
if (count(explode('@', $email)) === 2)
{
$domainPart = array_pop(explode('@', $email));
if ($domainPart)
{
$emailAddressName = array_shift(explode('@', $email));
$encoder = new \CBXPunycode();
if ($encodedDomain = $encoder->encode($domainPart))
{
return $emailAddressName . '@' . $encodedDomain;
}
}
}
return false;
}
}