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Set name extension to task processing file outputs #450
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| /** | ||
| * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors | ||
| * SPDX-License-Identifier: AGPL-3.0-or-later | ||
| */ | ||
|
|
||
| namespace OCA\OpenAi\Service; | ||
|
|
||
| class FileFormatDetector { | ||
| /** | ||
| * Detects the file extension of binary image data from its magic bytes | ||
| * | ||
| * @param string $data | ||
| * @return string The detected file extension, or '' if the format is unknown | ||
| */ | ||
| public static function getImageExtension(string $data): string { | ||
| if (str_starts_with($data, "\xFF\xD8\xFF")) { | ||
| return 'jpeg'; | ||
| } | ||
| if (str_starts_with($data, "\x89PNG\r\n\x1A\n")) { | ||
| return 'png'; | ||
| } | ||
| if (str_starts_with($data, 'GIF8')) { | ||
| return 'gif'; | ||
| } | ||
| if (str_starts_with($data, 'RIFF') && substr($data, 8, 4) === 'WEBP') { | ||
| return 'webp'; | ||
| } | ||
| return ''; | ||
| } | ||
|
|
||
| /** | ||
| * Detects the file extension of binary audio data from its magic bytes | ||
| * | ||
| * @param string $data | ||
| * @return string The detected file extension, or '' if the format is unknown | ||
| */ | ||
| public static function getAudioExtension(string $data): string { | ||
| if (str_starts_with($data, 'ID3')) { | ||
| return 'mp3'; | ||
| } | ||
| if (str_starts_with($data, 'RIFF') && substr($data, 8, 4) === 'WAVE') { | ||
| return 'wav'; | ||
| } | ||
| if (str_starts_with($data, 'OggS')) { | ||
| return 'ogg'; | ||
| } | ||
| if (str_starts_with($data, 'fLaC')) { | ||
| return 'flac'; | ||
| } | ||
| if (strlen($data) >= 8 && substr($data, 4, 4) === 'ftyp') { | ||
| // MP4 container, brand distinguishes Apple audio files | ||
| return substr($data, 8, 4) === 'M4A ' ? 'm4a' : 'mp4'; | ||
| } | ||
| if (strlen($data) >= 2 && ord($data[0]) === 0xFF && (ord($data[1]) & 0xE0) === 0xE0) { | ||
| $b2 = ord($data[1]); | ||
| // MPEG version 0b01 is reserved, neither valid MPEG audio nor ADTS | ||
| if (($b2 & 0x18) === 0x08) { | ||
| return ''; | ||
| } | ||
| // zero layer bits identify ADTS AAC, never valid MPEG audio | ||
| if (($b2 & 0x06) === 0) { | ||
| return 'aac'; | ||
| } | ||
| return 'mp3'; | ||
| } | ||
| return ''; | ||
| } | ||
| } |
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20 changes: 20 additions & 0 deletions
20
tests/stubs/ocp_task_processing_isynchronous_watermarking_provider.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| /** | ||
| * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors | ||
| * SPDX-License-Identifier: AGPL-3.0-or-later | ||
| */ | ||
|
|
||
| namespace OCP\TaskProcessing; | ||
|
|
||
| /** | ||
| * The vendored nextcloud/ocp snapshot misses the FileShaped return type | ||
| * in the @psalm-return annotation of this deprecated interface | ||
| * | ||
| * @since 33.0.0 | ||
| */ | ||
| interface ISynchronousWatermarkingProvider extends ISynchronousProvider { | ||
| public function process(?string $userId, array $input, callable $reportProgress, bool $includeWatermark = true): array; | ||
| } |
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nit:
image_type_to_extension(getimagesizefromstring($data)[2], false)can return the extension as well, instead of doing it manually