1<?php
2/*
3 * vim:set softtabstop=4 shiftwidth=4 expandtab:
4 *
5 *  LICENSE: GNU Affero General Public License, version 3 (AGPL-3.0-or-later)
6 * Copyright 2001 - 2020 Ampache.org
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU Affero General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU Affero General Public License for more details.
17 *
18 * You should have received a copy of the GNU Affero General Public License
19 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
20 *
21 */
22
23declare(strict_types=0);
24
25namespace Ampache\Module\Application\Rss;
26
27use Ampache\Config\ConfigContainerInterface;
28use Ampache\Config\ConfigurationKeyEnum;
29use Ampache\Module\Application\ApplicationActionInterface;
30use Ampache\Module\Authorization\GuiGatekeeperInterface;
31use Ampache\Module\System\Core;
32use Ampache\Module\Util\AmpacheRss;
33use Psr\Http\Message\ResponseFactoryInterface;
34use Psr\Http\Message\ResponseInterface;
35use Psr\Http\Message\ServerRequestInterface;
36use Psr\Http\Message\StreamFactoryInterface;
37
38final class ShowAction implements ApplicationActionInterface
39{
40    public const REQUEST_KEY = 'show';
41
42    private ConfigContainerInterface $configContainer;
43
44    private ResponseFactoryInterface $responseFactory;
45
46    private StreamFactoryInterface $streamFactory;
47
48    public function __construct(
49        ConfigContainerInterface $configContainer,
50        ResponseFactoryInterface $responseFactory,
51        StreamFactoryInterface $streamFactory
52    ) {
53        $this->configContainer = $configContainer;
54        $this->responseFactory = $responseFactory;
55        $this->streamFactory   = $streamFactory;
56    }
57
58    public function run(ServerRequestInterface $request, GuiGatekeeperInterface $gatekeeper): ?ResponseInterface
59    {
60        /* Check Perms */
61        if (
62            $this->configContainer->isFeatureEnabled(ConfigurationKeyEnum::USE_RSS) === false ||
63            $this->configContainer->isFeatureEnabled(ConfigurationKeyEnum::DEMO_MODE)
64        ) {
65            return null;
66        }
67
68        $type     = Core::get_request('type');
69        $rsstoken = Core::get_request('rsstoken');
70        $rss      = new AmpacheRss($type, $rsstoken);
71        $params   = null;
72
73        if ($type === 'podcast') {
74            $params                = [];
75            $params['object_type'] = Core::get_request('object_type');
76            $params['object_id']   = filter_input(INPUT_GET, 'object_id', FILTER_SANITIZE_NUMBER_INT);
77        }
78
79        return $this->responseFactory->createResponse()
80            ->withHeader(
81                'Content-Type',
82                sprintf(
83                    'application/xml; charset=%s',
84                    $this->configContainer->get(ConfigurationKeyEnum::SITE_CHARSET)
85                )
86            )
87            ->withBody(
88                $this->streamFactory->createStream($rss->get_xml($params))
89            );
90    }
91}
92