7643f3cf7b
Additionally, added etag and last modified HTTP headers to attachments, to more effectively take advantage of caching
95 lines
3.5 KiB
PHP
95 lines
3.5 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* Show notice attachments
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENCE: This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* @category Personal
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2008-2009 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
if (!defined('GNUSOCIAL')) { exit(1); }
|
|
|
|
/**
|
|
* Show notice attachments
|
|
*
|
|
* @category Personal
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
class Attachment_thumbnailAction extends AttachmentAction
|
|
{
|
|
protected $thumb_w = null; // max width
|
|
protected $thumb_h = null; // max height
|
|
protected $thumb_c = null; // crop?
|
|
|
|
protected function doPreparation()
|
|
{
|
|
parent::doPreparation();
|
|
|
|
$this->thumb_w = $this->int('w');
|
|
$this->thumb_h = $this->int('h');
|
|
$this->thumb_c = $this->boolean('c');
|
|
}
|
|
|
|
public function showPage()
|
|
{
|
|
// Returns a File_thumbnail object or throws exception if not available
|
|
try {
|
|
$file = $this->attachment->getThumbnail($this->thumb_w, $this->thumb_h, $this->thumb_c)->getFile();
|
|
} catch (UseFileAsThumbnailException $e) {
|
|
// With this exception, the file exists locally
|
|
$file = $e->file;
|
|
}
|
|
|
|
$filepath = $this->attachment->getPath();
|
|
$filename = MediaFile::getDisplayName($file);
|
|
|
|
// Disable errors, to not mess with the file contents (suppress errors in case access to this
|
|
// function is blocked, like in some shared hosts). Automatically reset at the end of the
|
|
// script execution, and we don't want to have any more errors until then, so don't reset it
|
|
@ini_set('display_errors', 0);
|
|
|
|
header("Content-Description: File Transfer");
|
|
header("Content-Type: {$file->mimetype}");
|
|
header("Content-Disposition: inline; filename=\"{$filename}\"");
|
|
header('Expires: 0');
|
|
header('Content-Transfer-Encoding: binary');
|
|
$filesize = $this->file->size;
|
|
// 'if available', it says, so ensure we have it
|
|
if (empty($filesize)) {
|
|
$filesize = filesize($this->attachment->filename);
|
|
}
|
|
header("Content-Length: {$filesize}");
|
|
// header('Cache-Control: private, no-transform, no-store, must-revalidate');
|
|
|
|
$ret = @readfile($filepath);
|
|
|
|
if ($ret === false || $ret !== $filesize) {
|
|
common_log(LOG_ERR, "The lengths of the file as recorded on the DB (or on disk) for the file " .
|
|
"{$filepath}, with id={$this->attachment->id} differ from what was sent to the user.");
|
|
}
|
|
}
|
|
}
|