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
230
231
|
<?php
/**
* Apache auth plug-in for phpBB3
*
* Authentication plug-ins is largely down to Sergey Kanareykin, our thanks to him.
*
* @package login
* @version $Id: auth_apache.php,v 1.18 2007/10/05 12:42:06 acydburn Exp $
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Checks whether the user is identified to apache
* Only allow changing authentication to apache if the user is identified
* Called in acp_board while setting authentication plugins
*
* @return boolean|string false if the user is identified and else an error message
*/
function init_apache()
{
global $user;
if (!isset($_SERVER['PHP_AUTH_USER']) || $user->data['username'] !== $_SERVER['PHP_AUTH_USER'])
{
return $user->lang['APACHE_SETUP_BEFORE_USE'];
}
return false;
}
/**
* Login function
*/
function login_apache(&$username, &$password)
{
global $db;
// do not allow empty password
if (!$password)
{
return array(
'status' => LOGIN_BREAK,
'error_msg' => 'NO_PASSWORD_SUPPLIED',
);
}
if (!isset($_SERVER['PHP_AUTH_USER']))
{
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$php_auth_user = $_SERVER['PHP_AUTH_USER'];
$php_auth_pw = $_SERVER['PHP_AUTH_PW'];
if (!empty($php_auth_user) && !empty($php_auth_pw))
{
if ($php_auth_user !== $username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type
FROM ' . USERS_TABLE . "
WHERE username = '" . $db->sql_escape($php_auth_user) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
// User inactive...
if ($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...
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
}
// this is the user's first login so create an empty profile
return array(
'status' => LOGIN_SUCCESS_CREATE_PROFILE,
'error_msg' => false,
'user_row' => user_row_apache($php_auth_user, $php_auth_pw),
);
}
// Not logged into apache
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
'user_row' => array('user_id' => ANONYMOUS),
);
}
/**
* Autologin function
*
* @return array containing the user row or empty if no auto login should take place
*/
function autologin_apache()
{
global $db;
if (!isset($_SERVER['PHP_AUTH_USER']))
{
return array();
}
$php_auth_user = $_SERVER['PHP_AUTH_USER'];
$php_auth_pw = $_SERVER['PHP_AUTH_PW'];
if (!empty($php_auth_user) && !empty($php_auth_pw))
{
set_var($php_auth_user, $php_auth_user, 'string');
set_var($php_auth_pw, $php_auth_pw, 'string');
$sql = 'SELECT *
FROM ' . USERS_TABLE . "
WHERE username = '" . $db->sql_escape($php_auth_user) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
return ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE) ? array() : $row;
}
if (!function_exists('user_add'))
{
global $phpbb_root_path, $phpEx;
include($phpbb_root_path . 'includes/functions_user.' . $phpEx);
}
// create the user if he does not exist yet
user_add(user_row_apache($php_auth_user, $php_auth_pw));
$sql = 'SELECT *
FROM ' . USERS_TABLE . "
WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($php_auth_user)) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
return $row;
}
}
return array();
}
/**
* This function generates an array which can be passed to the user_add function in order to create a user
*/
function user_row_apache($username, $password)
{
global $db, $config, $user;
// first retrieve default group id
$sql = 'SELECT group_id
FROM ' . GROUPS_TABLE . "
WHERE group_name = '" . $db->sql_escape('REGISTERED') . "'
AND group_type = " . GROUP_SPECIAL;
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
trigger_error('NO_GROUP');
}
// generate user account data
return array(
'username' => $username,
'user_password' => phpbb_hash($password),
'user_email' => '',
'group_id' => (int) $row['group_id'],
'user_type' => USER_NORMAL,
'user_ip' => $user->ip,
);
}
/**
* The session validation function checks whether the user is still logged in
*
* @return boolean true if the given user is authenticated or false if the session should be closed
*/
function validate_session_apache(&$user)
{
if (!isset($_SERVER['PHP_AUTH_USER']))
{
return false;
}
$php_auth_user = '';
set_var($php_auth_user, $_SERVER['PHP_AUTH_USER'], 'string');
return ($php_auth_user === $user['username']) ? true : false;
}
?>
|