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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Modules\Mail\Domain\Contract; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | /** |
| 12 | * Universal MIME and Character Set Decoder Contract. |
| 13 | * |
| 14 | * Handles RFC 2047 encoded-word headers, transfer encodings, and conversions to standard UTF-8. |
| 15 | * |
| 16 | * @package App\Modules\Mail\Domain\Contract |
| 17 | */ |
| 18 | interface MimeDecoderInterface |
| 19 | { |
| 20 | /** |
| 21 | * Decodes RFC 2047 MIME encoded-word header (e.g. =?UTF-8?B?...?= or =?ISO-8859-2?Q?...?=). |
| 22 | * |
| 23 | * @param string $rawHeader Raw email header string. |
| 24 | * @return string Normalized UTF-8 string. |
| 25 | */ |
| 26 | public function decodeHeader(string $rawHeader): string; |
| 27 | |
| 28 | /** |
| 29 | * Converts content from source character encoding to standard UTF-8. |
| 30 | * |
| 31 | * @param string $content Raw text bytes. |
| 32 | * @param string $charset Source charset (e.g. Windows-1250, ISO-8859-2). |
| 33 | * @return string UTF-8 string. |
| 34 | */ |
| 35 | public function convertToUtf8(string $content, string $charset): string; |
| 36 | |
| 37 | /** |
| 38 | * Decodes content transfer encoding (base64, quoted-printable, 7bit, 8bit). |
| 39 | * |
| 40 | * @param string $content Payload. |
| 41 | * @param string $transferEncoding Transfer encoding header. |
| 42 | * @return string Decoded payload. |
| 43 | */ |
| 44 | public function decodeTransferEncoding(string $content, string $transferEncoding): string; |
| 45 | } |