73 lines
2.7 KiB
PHP
73 lines
2.7 KiB
PHP
<?php
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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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defined('GNUSOCIAL') || die();
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/**
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* Show notice attachments
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*
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* @category Personal
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class Attachment_thumbnailAction extends AttachmentAction
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{
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protected $thumb_w = null; // max width
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protected $thumb_h = null; // max height
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protected $thumb_c = null; // crop?
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protected function doPreparation()
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{
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parent::doPreparation();
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$this->thumb_w = $this->int('w');
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$this->thumb_h = $this->int('h');
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$this->thumb_c = $this->boolean('c');
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}
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/**
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* Show an inline representation of an attachment of the size
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* requested in the GET variables (read in the constructor). Tries
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* to send the most appropriate file with the correct size and
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* headers or displays an error if it's not possible.
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* @throws ClientException
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* @throws ReflectionException
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* @throws ServerException
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*/
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public function showPage(): void
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{
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// Returns a File_thumbnail object or throws exception if not available
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try {
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$thumbnail = $this->attachment->getThumbnail($this->thumb_w, $this->thumb_h, $this->thumb_c);
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$file = $thumbnail->getFile();
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} catch (UseFileAsThumbnailException $e) {
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// With this exception, the file exists locally
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$file = $e->file;
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} catch (FileNotFoundException $e) {
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$this->clientError(_m('No such attachment'), 404);
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}
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// Disable errors, to not mess with the file contents (suppress errors in case access to this
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// function is blocked, like in some shared hosts). Automatically reset at the end of the
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// script execution, and we don't want to have any more errors until then, so don't reset it
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@ini_set('display_errors', 0);
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common_send_file($this->filepath, $this->mimetype, $this->filename, 'inline');
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}
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}
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