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1<?php
2/**
3 *
4 * This file is part of the phpBB Forum Software package.
5 *
6 * @copyright (c) phpBB Limited <https://www.phpbb.com>
7 * @license GNU General Public License, version 2 (GPL-2.0)
8 *
9 * For full copyright and license information, please see
10 * the docs/CREDITS.txt file.
11 *
12 */
13
14namespace phpbb\ucp\controller;
15
16use phpbb\config\config;
17use phpbb\event\dispatcher_interface;
18use phpbb\language\language;
19use phpbb\request\request_interface;
20use phpbb\user;
21
22class delete_cookies
23{
24    /** @var config */
25    private $config;
26
27    /** @var dispatcher_interface */
28    private $dispatcher;
29
30    /** @var language */
31    private $language;
32
33    /** @var request_interface */
34    private $request;
35
36    /** @var user */
37    private $user;
38
39    /** @var string phpBB root path */
40    private $phpbb_root_path;
41
42    /** @var string PHP extension */
43    private $php_ext;
44
45    /**
46     * Constructor for delete_cookies controller
47     *
48     * @param config $config
49     * @param dispatcher_interface $dispatcher
50     * @param language $language
51     * @param request_interface $request
52     * @param user $user
53     */
54    public function __construct(config $config, dispatcher_interface $dispatcher, language $language, request_interface $request, user $user, string $phpbb_root_path, string $php_ext)
55    {
56        $this->config = $config;
57        $this->dispatcher = $dispatcher;
58        $this->language = $language;
59        $this->request = $request;
60        $this->user = $user;
61        $this->phpbb_root_path = $phpbb_root_path;
62        $this->php_ext = $php_ext;
63    }
64
65    /**
66     * Handle delete cookies requests
67     *
68     * @return void
69     */
70    public function handle()
71    {
72        $this->language->add_lang(['ucp']);
73
74        // Delete Cookies with dynamic names (do NOT delete poll cookies)
75        if (confirm_box(true))
76        {
77            $set_time = time() - 31536000;
78
79            foreach ($this->request->variable_names(request_interface::COOKIE) as $cookie_name)
80            {
81                // Only delete board cookies
82                if (strpos($cookie_name, $this->config['cookie_name'] . '_') !== 0)
83                {
84                    continue;
85                }
86
87                $cookie_name = str_replace($this->config['cookie_name'] . '_', '', $cookie_name);
88
89                /**
90                 * Event to save custom cookies from deletion
91                 *
92                 * @event core.ucp_delete_cookies
93                 * @var    string    cookie_name        Cookie name to checking
94                 * @var    bool    retain_cookie    Do we retain our cookie or not, true if retain
95                 * @since 3.1.3-RC1
96                 * @changed 3.3.13-RC1 Moved to new delete_cookies controller
97                 */
98                $retain_cookie = false;
99                $vars = ['cookie_name', 'retain_cookie'];
100                extract($this->dispatcher->trigger_event('core.ucp_delete_cookies', compact($vars)));
101                if ($retain_cookie)
102                {
103                    continue;
104                }
105
106                // Polls are stored as {cookie_name}_poll_{topic_id}, cookie_name_ got removed, therefore checking for poll_
107                if (strpos($cookie_name, 'poll_') !== 0)
108                {
109                    $this->user->set_cookie($cookie_name, '', $set_time);
110                }
111            }
112
113            $this->user->set_cookie('track', '', $set_time);
114            $this->user->set_cookie('u', '', $set_time);
115            $this->user->set_cookie('k', '', $set_time);
116            $this->user->set_cookie('sid', '', $set_time);
117
118            // We destroy the session here, the user will be logged out nevertheless
119            $this->user->session_kill();
120            $this->user->session_begin();
121
122            meta_refresh(3, append_sid("{$this->phpbb_root_path}index.$this->php_ext"));
123
124            $message = $this->language->lang('COOKIES_DELETED') . '<br><br>' . $this->language->lang('RETURN_INDEX', '<a href="' . append_sid("{$this->phpbb_root_path}index.$this->php_ext") . '">', '</a>');
125            trigger_error($message);
126        }
127        else
128        {
129            confirm_box(false, 'DELETE_COOKIES', '');
130        }
131
132        redirect(append_sid("{$this->phpbb_root_path}index.$this->php_ext"));
133    }
134}