Files
espocrm/application/Espo/EntryPoints/Download.php
Yuri Kuznetsov e7b914ff4b ref
2023-02-18 11:37:41 +02:00

110 lines
3.7 KiB
PHP

<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM - Open Source CRM application.
* Copyright (C) 2014-2023 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
* Website: https://www.espocrm.com
*
* EspoCRM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EspoCRM 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
namespace Espo\EntryPoints;
use Espo\Entities\Attachment as AttachmentEntity;
use Espo\Core\Acl;
use Espo\Core\Api\Request;
use Espo\Core\Api\Response;
use Espo\Core\EntryPoint\EntryPoint;
use Espo\Core\Exceptions\BadRequest;
use Espo\Core\Exceptions\Forbidden;
use Espo\Core\Exceptions\NotFoundSilent;
use Espo\Core\FileStorage\Manager as FileStorageManager;
use Espo\Core\ORM\EntityManager;
use Espo\Core\Utils\Metadata;
class Download implements EntryPoint
{
public function __construct(
protected FileStorageManager $fileStorageManager,
protected Acl $acl,
protected EntityManager $entityManager,
private Metadata $metadata
) {}
public function run(Request $request, Response $response): void
{
$id = $request->getQueryParam('id');
if (!$id) {
throw new BadRequest();
}
/** @var ?AttachmentEntity $attachment */
$attachment = $this->entityManager->getEntityById(AttachmentEntity::ENTITY_TYPE, $id);
if (!$attachment) {
throw new NotFoundSilent();
}
if (!$this->acl->checkEntity($attachment)) {
throw new Forbidden();
}
if ($attachment->isBeingUploaded()) {
throw new Forbidden();
}
$stream = $this->fileStorageManager->getStream($attachment);
$outputFileName = str_replace("\"", "\\\"", $attachment->getName() ?? '');
$type = $attachment->getType();
$disposition = 'attachment';
/** @var string[] $inlineMimeTypeList */
$inlineMimeTypeList = $this->metadata->get(['app', 'file', 'inlineMimeTypeList']) ?? [];
if (in_array($type, $inlineMimeTypeList)) {
$disposition = 'inline';
$response->setHeader('Content-Security-Policy', "default-src 'self'");
}
$response->setHeader('Content-Description', 'File Transfer');
if ($type) {
$response->setHeader('Content-Type', $type);
}
$size = $stream->getSize() ?? $this->fileStorageManager->getSize($attachment);
$response
->setHeader('Content-Disposition', $disposition . ";filename=\"" . $outputFileName . "\"")
->setHeader('Expires', '0')
->setHeader('Cache-Control', 'must-revalidate')
->setHeader('Pragma', 'public')
->setHeader('Content-Length', (string) $size)
->setBody($stream);
}
}