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<?php |
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/** |
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* @copyright Copyright (c) 2020 Julius Härtl <[email protected]> |
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* |
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* @author Julius Härtl <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\Preview; |
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use OC\Archive\ZIP; |
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use OCP\Files\File; |
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use OCP\IImage; |
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/** |
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* Extracts a preview from files that embed them in an ZIP archive |
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*/ |
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abstract class Bundled extends ProviderV2 { |
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protected function extractThumbnail(File $file, $path): ?IImage { |
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$sourceTmp = \OC::$server->getTempManager()->getTemporaryFile(); |
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$targetTmp = \OC::$server->getTempManager()->getTemporaryFile(); |
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try { |
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$content = $file->fopen('r'); |
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file_put_contents($sourceTmp, $content); |
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$zip = new ZIP($sourceTmp); |
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$zip->extractFile($path, $targetTmp); |
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$image = new \OC_Image(); |
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$image->loadFromFile($targetTmp); |
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$image->fixOrientation(); |
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return $image; |
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} catch (\Exception $e) { |
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return null; |
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} |
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} |
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} |
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nextcloud /
server
