friendica/src/Module/Attach.php

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<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\Logger;
use Friendica\DI;
use Friendica\Model\Attach as MAttach;
/**
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* Attach Module
*/
class Attach extends BaseModule
{
/**
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* Return to user an attached file given the id
*/
public static function rawContent(array $parameters = [])
{
$a = DI::app();
if ($a->argc != 2) {
throw new \Friendica\Network\HTTPException\BadRequestException();
}
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// @TODO: Replace with parameter from router
$item_id = intval($a->argv[1]);
// Check for existence
$item = MAttach::exists(['id' => $item_id]);
if ($item === false) {
throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('Item was not found.'));
}
// Now we'll fetch the item, if we have enough permisson
$item = MAttach::getByIdWithPermission($item_id);
if ($item === false) {
throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
}
$data = MAttach::getData($item);
if (is_null($data)) {
Logger::log('NULL data for attachment with id ' . $item['id']);
throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('Item was not found.'));
}
// Use quotes around the filename to prevent a "multiple Content-Disposition"
// error in Chrome for filenames with commas in them
header('Content-type: ' . $item['filetype']);
header('Content-length: ' . $item['filesize']);
if (isset($_GET['attachment']) && $_GET['attachment'] === '0') {
header('Content-disposition: filename="' . $item['filename'] . '"');
} else {
header('Content-disposition: attachment; filename="' . $item['filename'] . '"');
}
echo $data;
exit();
// NOTREACHED
}
}