friendica/src/Network/Entity/MimeType.php

70 lines
1.9 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Network\Entity;
use Friendica\BaseEntity;
/**
* Implementation of the Content-Type header value from the MIME type RFC
*
* @see https://www.rfc-editor.org/rfc/rfc2045#section-5
*
* @property-read string $type
* @property-read string $subtype
* @property-read array $parameters
*/
class MimeType extends BaseEntity
{
/** @var string */
protected $type;
/** @var string */
protected $subtype;
/** @var array */
protected $parameters;
public function __construct(string $type, string $subtype, array $parameters = [])
{
$this->type = $type;
$this->subtype = $subtype;
$this->parameters = $parameters;
}
public function __toString(): string
{
$parameters = array_map(function (string $attribute, string $value) {
if (
strpos($value, '"') !== false ||
strpos($value, '\\') !== false ||
strpos($value, "\r") !== false
) {
$value = '"' . str_replace(['\\', '"', "\r"], ['\\\\', '\\"', "\\\r"], $value) . '"';
}
return '; ' . $attribute . '=' . $value;
}, array_keys($this->parameters), array_values($this->parameters));
return $this->type . '/' .
$this->subtype .
implode('', $parameters);
}
}