96 lines
3.3 KiB
PHP
96 lines
3.3 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Show notice attachments
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*
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* PHP version 5
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*
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* LICENCE: 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 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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* 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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* @category Personal
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2008-2009 StatusNet, Inc.
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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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if (!defined('GNUSOCIAL')) { exit(1); }
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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 = $this->boolean('c');
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}
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public function showPage()
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{
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// Returns a File_thumbnail object or throws exception if not available
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try {
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$thumb = $this->attachment->getThumbnail($this->thumb_w, $this->thumb_h, $this->thumb_c);
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$file = $thumb->getFile();
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} catch (UseFileAsThumbnailException $e) {
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// With this exception, the file exists locally
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$file = $e->file;
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}
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try {
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if (!empty($thumb)) {
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$filepath = $thumb->getPath();
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$size = 0;
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} elseif ($file->isLocal()) {
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$filepath = $file->getPath();
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$size = $file->size;
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}
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} catch (InvalidFilenameException $e) {
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// We don't have a file to display
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return;
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}
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$filename = MediaFile::getDisplayName($file);
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// Disable errors, to not mess with the file contents (suppress errors in case access to this
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// function is blocked, like in some shared hosts). Automatically reset at the end of the
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// script execution, and we don't want to have any more errors until then, so don't reset it
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@ini_set('display_errors', 0);
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header("Content-Description: File Transfer");
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header("Content-Type: {$file->mimetype}");
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header("Content-Disposition: inline; filename=\"{$filename}\"");
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header('Expires: 0');
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header('Content-Transfer-Encoding: binary');
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AttachmentAction::sendFile($filepath, $size);
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}
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}
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