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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\db\migration\data\v310;
15
16class bot_update extends \phpbb\db\migration\migration
17{
18    public static function depends_on()
19    {
20        return array('\phpbb\db\migration\data\v310\rc6');
21    }
22
23    public function update_data()
24    {
25        return array(
26            array('custom', array(array(&$this, 'update_bing_bot'))),
27            array('custom', array(array(&$this, 'update_bots'))),
28        );
29    }
30
31    public function update_bing_bot()
32    {
33        $bot_name = 'Bing [Bot]';
34        $bot_name_clean = utf8_clean_string($bot_name);
35
36        $sql = 'SELECT user_id
37            FROM ' . USERS_TABLE . "
38            WHERE username_clean = '" . $this->db->sql_escape($bot_name_clean) . "'";
39        $result = $this->db->sql_query($sql);
40        $bing_already_added = (bool) $this->db->sql_fetchfield('user_id');
41        $this->db->sql_freeresult($result);
42
43        if (!$bing_already_added)
44        {
45            $bot_agent = 'bingbot/';
46            $bot_ip = '';
47            $sql = 'SELECT group_id, group_colour
48                FROM ' . GROUPS_TABLE . "
49                WHERE group_name = 'BOTS'";
50            $result = $this->db->sql_query($sql);
51            $group_row = $this->db->sql_fetchrow($result);
52            $this->db->sql_freeresult($result);
53
54            if (!$group_row)
55            {
56                // default fallback, should never get here
57                $group_row = [];
58                $group_row['group_id'] = 6;
59                $group_row['group_colour'] = '9E8DA7';
60            }
61
62            if (!function_exists('user_add'))
63            {
64                include($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
65            }
66
67            $user_row = array(
68                'user_type'                => USER_IGNORE,
69                'group_id'                => $group_row['group_id'],
70                'username'                => $bot_name,
71                'user_regdate'            => time(),
72                'user_password'            => '',
73                'user_colour'            => $group_row['group_colour'],
74                'user_email'            => '',
75                'user_lang'                => $this->config['default_lang'],
76                'user_style'            => $this->config['default_style'],
77                'user_timezone'            => 0,
78                'user_dateformat'        => $this->config['default_dateformat'],
79                'user_allow_massemail'    => 0,
80            );
81
82            $user_id = user_add($user_row);
83
84            $sql = 'INSERT INTO ' . BOTS_TABLE . ' ' . $this->db->sql_build_array('INSERT', array(
85                    'bot_active'    => 1,
86                    'bot_name'        => (string) $bot_name,
87                    'user_id'        => (int) $user_id,
88                    'bot_agent'        => (string) $bot_agent,
89                    'bot_ip'        => (string) $bot_ip,
90                ));
91
92            $this->sql_query($sql);
93        }
94    }
95
96    public function update_bots()
97    {
98        // Update bots
99        if (!function_exists('user_delete'))
100        {
101            include($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
102        }
103
104        $bots_updates = array(
105            // Bot Deletions
106            'NG-Search [Bot]'        => false,
107            'Nutch/CVS [Bot]'        => false,
108            'OmniExplorer [Bot]'    => false,
109            'Seekport [Bot]'        => false,
110            'Synoo [Bot]'            => false,
111            'WiseNut [Bot]'            => false,
112
113            // Bot Updates
114            // Bot name to bot user agent map
115            'Baidu [Spider]'    => 'Baiduspider',
116            'Exabot [Bot]'        => 'Exabot',
117            'Voyager [Bot]'        => 'voyager/',
118            'W3C [Validator]'    => 'W3C_Validator',
119        );
120
121        foreach ($bots_updates as $bot_name => $bot_agent)
122        {
123            $sql = 'SELECT user_id
124                FROM ' . USERS_TABLE . '
125                WHERE user_type = ' . USER_IGNORE . "
126                    AND username_clean = '" . $this->db->sql_escape(utf8_clean_string($bot_name)) . "'";
127            $result = $this->db->sql_query($sql);
128            $bot_user_id = (int) $this->db->sql_fetchfield('user_id');
129            $this->db->sql_freeresult($result);
130
131            if ($bot_user_id)
132            {
133                if ($bot_agent === false)
134                {
135                    $sql = 'DELETE FROM ' . BOTS_TABLE . "
136                        WHERE user_id = $bot_user_id";
137                    $this->sql_query($sql);
138
139                    user_delete('retain', $bot_user_id);
140                }
141                else
142                {
143                    $sql = 'UPDATE ' . BOTS_TABLE . "
144                        SET bot_agent = '" .  $this->db->sql_escape($bot_agent) . "'
145                        WHERE user_id = $bot_user_id";
146                    $this->sql_query($sql);
147                }
148            }
149        }
150    }
151}