3 * StatusNet, the distributed open-source microblogging tool
5 * Show notice attachments
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @copyright 2008-2009 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('GNUSOCIAL')) { exit(1); }
33 * Show notice attachments
37 * @author Evan Prodromou <evan@status.net>
38 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
39 * @link http://status.net/
41 class Attachment_thumbnailAction extends AttachmentAction
43 protected $thumb_w = null; // max width
44 protected $thumb_h = null; // max height
45 protected $thumb_c = null; // crop?
47 protected function doPreparation()
49 parent::doPreparation();
51 $this->thumb_w = $this->int('w');
52 $this->thumb_h = $this->int('h');
53 $this->thumb_c = $this->boolean('c');
57 * Show an inline representation of an attachment of the size
58 * requested in the GET variables (read in the constructor). Tries
59 * to send the most appropriate file with the correct size and
60 * headers or displays an error if it's not possible.
62 public function showPage()
65 // Returns a File_thumbnail object or throws exception if not available
67 $thumbnail = $this->attachment->getThumbnail($this->thumb_w, $this->thumb_h, $this->thumb_c);
68 $file = $thumbnail->getFile();
69 } catch (UseFileAsThumbnailException $e) {
70 // With this exception, the file exists locally
72 } catch(FileNotFoundException $e) {
73 $this->clientError(_('No such attachment'), 404);
76 // Checks file exists or throws FileNotFoundException
77 $filepath = $file->getFileOrThumbnailPath($thumbnail);
78 $filesize = $this->attachment->getFileOrThumbnailSize($thumbnail);
79 $mimetype = $file->getFileOrThumbnailMimetype($thumbnail);
80 $filename = MediaFile::getDisplayName($file);
82 // Disable errors, to not mess with the file contents (suppress errors in case access to this
83 // function is blocked, like in some shared hosts). Automatically reset at the end of the
84 // script execution, and we don't want to have any more errors until then, so don't reset it
85 @ini_set('display_errors', 0);
87 header("Content-Description: File Transfer");
88 header("Content-Type: {$mimetype}");
89 header("Content-Disposition: inline; filename=\"{$filename}\"");
91 header('Content-Transfer-Encoding: binary');
93 AttachmentAction::sendFile($filepath, $filesize);