1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\auth\provider;
/**
* Database authentication provider for phpBB3
* This is for authentication via the integrated user table
*/
class db extends \phpbb\auth\provider\base
{
/**
* phpBB passwords manager
*
* @var \phpbb\passwords\manager
*/
protected $passwords_manager;
/**
* Database Authentication Constructor
*
* @param \phpbb\db\driver\driver_interface $db
* @param \phpbb\config\config $config
* @param \phpbb\passwords\manager $passwords_manager
* @param \phpbb\request\request $request
* @param \phpbb\user $user
* @param string $phpbb_root_path
* @param string $php_ext
*/
public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request $request, \phpbb\user $user, $phpbb_root_path, $php_ext)
{
$this->db = $db;
$this->config = $config;
$this->passwords_manager = $passwords_manager;
$this->request = $request;
$this->user = $user;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
}
/**
* {@inheritdoc}
*/
public function login($username, $password)
{
// Auth plugins get the password untrimmed.
// For compatibility we trim() here.
$password = trim($password);
// do not allow empty password
if (!$password)
{
return array(
'status' => LOGIN_ERROR_PASSWORD,
'error_msg' => 'NO_PASSWORD_SUPPLIED',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!$username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$username_clean = utf8_clean_string($username);
$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type, user_login_attempts
FROM ' . USERS_TABLE . "
WHERE username_clean = '" . $this->db->sql_escape($username_clean) . "'";
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if (($this->user->ip && !$this->config['ip_login_limit_use_forwarded']) ||
($this->user->forwarded_for && $this->config['ip_login_limit_use_forwarded']))
{
$sql = 'SELECT COUNT(*) AS attempts
FROM ' . LOGIN_ATTEMPT_TABLE . '
WHERE attempt_time > ' . (time() - (int) $this->config['ip_login_limit_time']);
if ($this->config['ip_login_limit_use_forwarded'])
{
$sql .= " AND attempt_forwarded_for = '" . $this->db->sql_escape($this->user->forwarded_for) . "'";
}
else
{
$sql .= " AND attempt_ip = '" . $this->db->sql_escape($this->user->ip) . "' ";
}
$result = $this->db->sql_query($sql);
$attempts = (int) $this->db->sql_fetchfield('attempts');
$this->db->sql_freeresult($result);
$attempt_data = array(
'attempt_ip' => $this->user->ip,
'attempt_browser' => trim(substr($this->user->browser, 0, 149)),
'attempt_forwarded_for' => $this->user->forwarded_for,
'attempt_time' => time(),
'user_id' => ($row) ? (int) $row['user_id'] : 0,
'username' => $username,
'username_clean' => $username_clean,
);
$sql = 'INSERT INTO ' . LOGIN_ATTEMPT_TABLE . $this->db->sql_build_array('INSERT', $attempt_data);
$result = $this->db->sql_query($sql);
}
else
{
$attempts = 0;
}
if (!$row)
{
if ($this->config['ip_login_limit_max'] && $attempts >= $this->config['ip_login_limit_max'])
{
return array(
'status' => LOGIN_ERROR_ATTEMPTS,
'error_msg' => 'LOGIN_ERROR_ATTEMPTS',
'user_row' => array('user_id' => ANONYMOUS),
);
}
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$show_captcha = ($this->config['max_login_attempts'] && $row['user_login_attempts'] >= $this->config['max_login_attempts']) ||
($this->config['ip_login_limit_max'] && $attempts >= $this->config['ip_login_limit_max']);
// If there are too many login attempts, we need to check for a confirm image
// Every auth module is able to define what to do by itself...
if ($show_captcha)
{
$captcha = $this->captchas_manager->get_instance($this->config['captcha_plugin']);
$captcha->init(CONFIRM_LOGIN);
$vc_response = $captcha->validate($row);
if ($vc_response)
{
return array(
'status' => LOGIN_ERROR_ATTEMPTS,
'error_msg' => 'LOGIN_ERROR_ATTEMPTS',
'user_row' => $row,
);
}
else
{
$captcha->reset();
}
}
// Check password ...
if ($this->passwords_manager->check($password, $row['user_password']))
{
// Check for old password hash...
if ($this->passwords_manager->convert_flag || strlen($row['user_password']) == 32)
{
$hash = $this->passwords_manager->hash($password);
// Update the password in the users table to the new format
$sql = 'UPDATE ' . USERS_TABLE . "
SET user_password = '" . $this->db->sql_escape($hash) . "'
WHERE user_id = {$row['user_id']}";
$this->db->sql_query($sql);
$row['user_password'] = $hash;
}
$sql = 'DELETE FROM ' . LOGIN_ATTEMPT_TABLE . '
WHERE user_id = ' . $row['user_id'];
$this->db->sql_query($sql);
if ($row['user_login_attempts'] != 0)
{
// Successful, reset login attempts (the user passed all stages)
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_login_attempts = 0
WHERE user_id = ' . $row['user_id'];
$this->db->sql_query($sql);
}
// User inactive...
if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
{
return array(
'status' => LOGIN_ERROR_ACTIVE,
'error_msg' => 'ACTIVE_ERROR',
'user_row' => $row,
);
}
// Successful login... set user_login_attempts to zero...
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
}
// Password incorrect - increase login attempts
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_login_attempts = user_login_attempts + 1
WHERE user_id = ' . (int) $row['user_id'] . '
AND user_login_attempts < ' . LOGIN_ATTEMPTS_MAX;
$this->db->sql_query($sql);
// Give status about wrong password...
return array(
'status' => ($show_captcha) ? LOGIN_ERROR_ATTEMPTS : LOGIN_ERROR_PASSWORD,
'error_msg' => ($show_captcha) ? 'LOGIN_ERROR_ATTEMPTS' : 'LOGIN_ERROR_PASSWORD',
'user_row' => $row,
);
}
}
|
