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50 lines
1.1 KiB
PHP
50 lines
1.1 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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namespace OC\Preview;
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use OCP\Files\File;
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use OCP\IImage;
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use OCP\Server;
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use Psr\Log\LoggerInterface;
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abstract class Image extends ProviderV2 {
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/**
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* {@inheritDoc}
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*/
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public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
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$maxSizeForImages = \OC::$server->getConfig()->getSystemValueInt('preview_max_filesize_image', 50);
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$size = $file->getSize();
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if ($maxSizeForImages !== -1 && $size > ($maxSizeForImages * 1024 * 1024)) {
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return null;
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}
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$image = new \OCP\Image();
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$fileName = $this->getLocalFile($file);
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if ($fileName === false) {
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Server::get(LoggerInterface::class)->error(
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'Failed to get local file to generate thumbnail for: ' . $file->getPath(),
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['app' => 'core']
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);
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return null;
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}
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$image->loadFromFile($fileName);
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$image->fixOrientation();
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$this->cleanTmpFiles();
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if ($image->valid()) {
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$image->scaleDownToFit($maxX, $maxY);
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return $image;
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}
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return null;
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}
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}
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