forked from GNUsocial/gnu-social
76 lines
2.7 KiB
PHP
76 lines
2.7 KiB
PHP
<?php
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social 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 published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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namespace Plugin\ImageThumbnail;
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use App\Core\Event;
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use function App\Core\I18n\_m;
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use App\Core\Modules\Module;
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use App\Core\Router\RouteLoader;
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use App\Entity\Attachment;
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use App\Entity\AttachmentThumbnail;
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use App\Util\Common;
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use Jcupitt\Vips;
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class ImageThumbnail extends Module
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{
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public function onAddRoute(RouteLoader $r)
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{
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$r->connect('thumbnail', '/thumbnail/{id<\d+>}', [Controller\ImageThumbnail::class, 'thumbnail']);
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return Event::next;
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}
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/**
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* Resizes an image. It will reencode the image in the
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* `self::prefferedType()` format. This only applies henceforward,
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* not retroactively
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*
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* Increases the 'memory_limit' to the one in the 'attachments' section in the config, to
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* enable the handling of bigger images, which can cause a peak of memory consumption, while
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* encoding
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*
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* @throws Exception
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*/
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public function onResizeImage(Attachment $attachment, AttachmentThumbnail $thumbnail, int $width, int $height, bool $crop)
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{
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$old_limit = ini_set('memory_limit', Common::config('attachments', 'memory_limit'));
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try {
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// -1 means load all pages, 'sequential' access means decode pixels on demand
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// $image = Vips\Image::newFromFile(self::getPath($attachment), ['n' => -1, 'access' => 'sequential']);
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$image = Vips\Image::thumbnail($attachment->getPath(), $width, ['height' => $height]);
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} catch (Exception $e) {
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Log::error(__METHOD__ . ' encountered exception: ' . print_r($e, true));
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// TRANS: Exception thrown when trying to resize an unknown file type.
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throw new Exception(_m('Unknown file type'));
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}
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if ($attachment->getPath() === $thumbnail->getPath()) {
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@unlink($thumbnail->getPath());
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}
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$image->writeToFile($thumbnail->getPath());
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unset($image);
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ini_set('memory_limit', $old_limit); // Restore the old memory limit
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return Event::next;
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}
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}
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