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
|
<?php
require_once('include/security.php');
function nuke_session() {
unset($_SESSION['authenticated']);
unset($_SESSION['uid']);
unset($_SESSION['visitor_id']);
unset($_SESSION['administrator']);
unset($_SESSION['cid']);
unset($_SESSION['theme']);
unset($_SESSION['page_flags']);
}
// login/logout
if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
// process logout request
call_hooks("logging_out");
nuke_session();
info( t('Logged out.') . EOL);
goaway(z_root());
}
if(x($_SESSION,'visitor_id') && (! x($_SESSION,'uid'))) {
$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
intval($_SESSION['visitor_id'])
);
if(count($r)) {
$a->contact = $r[0];
}
}
if(x($_SESSION,'uid')) {
// already logged in user returning
$check = get_config('system','paranoia');
// extra paranoia - if the IP changed, log them out
if($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
nuke_session();
goaway(z_root());
}
$r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
FROM `user` WHERE `uid` = %d AND `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
intval($_SESSION['uid'])
);
if(! count($r)) {
nuke_session();
goaway(z_root());
}
authenticate_success($r[0]);
}
}
else {
if(isset($_SESSION)) {
nuke_session();
}
if((x($_POST,'password')) && strlen($_POST['password']))
$encrypted = hash('whirlpool',trim($_POST['password']));
else {
if((x($_POST,'openid_url')) && strlen($_POST['openid_url']) ||
(x($_POST,'username')) && strlen($_POST['username'])) {
$noid = get_config('system','no_openid');
$openid_url = trim((strlen($_POST['openid_url'])?$_POST['openid_url']:$_POST['username']) );
// validate_url alters the calling parameter
$temp_string = $openid_url;
// if it's an email address or doesn't resolve to a URL, fail.
if(($noid) || (strpos($temp_string,'@')) || (! validate_url($temp_string))) {
$a = get_app();
notice( t('Login failed.') . EOL);
goaway(z_root());
// NOTREACHED
}
// Otherwise it's probably an openid.
require_once('library/openid.php');
$openid = new LightOpenID;
$openid->identity = $openid_url;
$_SESSION['openid'] = $openid_url;
$a = get_app();
$openid->returnUrl = $a->get_baseurl(true) . '/openid';
goaway($openid->authUrl());
// NOTREACHED
}
}
if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
$record = null;
$addon_auth = array(
'username' => trim($_POST['username']),
'password' => trim($_POST['password']),
'authenticated' => 0,
'user_record' => null
);
/**
*
* A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record
* Plugins should never set 'authenticated' except to indicate success - as hooks may be chained
* and later plugins should not interfere with an earlier one that succeeded.
*
*/
call_hooks('authenticate', $addon_auth);
if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
$record = $addon_auth['user_record'];
}
else {
// process normal login request
$r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' )
AND `password` = '%s' AND `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
dbesc(trim($_POST['username'])),
dbesc(trim($_POST['username'])),
dbesc($encrypted)
);
if(count($r))
$record = $r[0];
}
if((! $record) || (! count($record))) {
logger('authenticate: failed login attempt: ' . notags(trim($_POST['username'])));
notice( t('Login failed.') . EOL );
goaway(z_root());
}
// if we haven't failed up this point, log them in.
authenticate_success($record, true, true);
}
}
// Returns an array of group id's this contact is a member of.
// This array will only contain group id's related to the uid of this
// DFRN contact. They are *not* neccessarily unique across the entire site.
if(! function_exists('init_groups_visitor')) {
function init_groups_visitor($contact_id) {
$groups = array();
$r = q("SELECT `gid` FROM `group_member`
WHERE `contact-id` = %d ",
intval($contact_id)
);
if(count($r)) {
foreach($r as $rr)
$groups[] = $rr['gid'];
}
return $groups;
}}
|
