46 lines
1.3 KiB
PHP
46 lines
1.3 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\RuntimeException;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
||
|
|
*/
|
||
|
|
final class Base64ContentEncoder extends Base64Encoder implements ContentEncoderInterface
|
||
|
|
{
|
||
|
|
public function encodeByteStream($stream, int $maxLineLength = 0): iterable
|
||
|
|
{
|
||
|
|
if (!\is_resource($stream)) {
|
||
|
|
throw new \TypeError(sprintf('Method "%s" takes a stream as a first argument.', __METHOD__));
|
||
|
|
}
|
||
|
|
|
||
|
|
$filter = stream_filter_append($stream, 'convert.base64-encode', \STREAM_FILTER_READ, [
|
||
|
|
'line-length' => 0 >= $maxLineLength || 76 < $maxLineLength ? 76 : $maxLineLength,
|
||
|
|
'line-break-chars' => "\r\n",
|
||
|
|
]);
|
||
|
|
if (!\is_resource($filter)) {
|
||
|
|
throw new RuntimeException('Unable to set the base64 content encoder to the filter.');
|
||
|
|
}
|
||
|
|
|
||
|
|
while (!feof($stream)) {
|
||
|
|
yield fread($stream, 16372);
|
||
|
|
}
|
||
|
|
stream_filter_remove($filter);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getName(): string
|
||
|
|
{
|
||
|
|
return 'base64';
|
||
|
|
}
|
||
|
|
}
|