55 lines
1.6 KiB
PHP
55 lines
1.6 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Mime\Encoder;
|
|
|
|
use Symfony\Component\Mime\Exception\AddressEncoderException;
|
|
|
|
/**
|
|
* An IDN email address encoder.
|
|
*
|
|
* Encodes the domain part of an address using IDN. This is compatible will all
|
|
* SMTP servers.
|
|
*
|
|
* This encoder does not support email addresses with non-ASCII characters in
|
|
* local-part (the substring before @). To send to such addresses, use
|
|
* Utf8AddressEncoder together with SmtpUtf8Handler. Your outbound SMTP server must support
|
|
* the SMTPUTF8 extension.
|
|
*
|
|
* @author Christian Schmidt
|
|
*/
|
|
final class IdnAddressEncoder implements AddressEncoderInterface
|
|
{
|
|
/**
|
|
* Encodes the domain part of an address using IDN.
|
|
*
|
|
* @throws AddressEncoderException If local-part contains non-ASCII characters
|
|
*/
|
|
public function encodeString(string $address): string
|
|
{
|
|
$i = strrpos($address, '@');
|
|
if (false !== $i) {
|
|
$local = substr($address, 0, $i);
|
|
$domain = substr($address, $i + 1);
|
|
|
|
if (preg_match('/[^\x00-\x7F]/', $local)) {
|
|
throw new AddressEncoderException(sprintf('Non-ASCII characters not supported in local-part os "%s".', $address));
|
|
}
|
|
|
|
if (preg_match('/[^\x00-\x7F]/', $domain)) {
|
|
$address = sprintf('%s@%s', $local, idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46));
|
|
}
|
|
}
|
|
|
|
return $address;
|
|
}
|
|
}
|