3 * @copyright Copyright (C) 2010-2024, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Network\Entity;
24 use Friendica\BaseEntity;
27 * Implementation of the Content-Type header value from the MIME type RFC
29 * @see https://www.rfc-editor.org/rfc/rfc2045#section-5
31 * @property-read string $type
32 * @property-read string $subtype
33 * @property-read array $parameters
35 class MimeType extends BaseEntity
42 protected $parameters;
44 public function __construct(string $type, string $subtype, array $parameters = [])
47 $this->subtype = $subtype;
48 $this->parameters = $parameters;
51 public function __toString(): string
53 $parameters = array_map(function (string $attribute, string $value) {
55 strpos($value, '"') !== false ||
56 strpos($value, '\\') !== false ||
57 strpos($value, "\r") !== false
59 $value = '"' . str_replace(['\\', '"', "\r"], ['\\\\', '\\"', "\\\r"], $value) . '"';
62 return '; ' . $attribute . '=' . $value;
63 }, array_keys($this->parameters), array_values($this->parameters));
65 return $this->type . '/' .
67 implode('', $parameters);