]> git.mxchange.org Git - friendica.git/blob - include/auth.php
set utf-8 on all emails
[friendica.git] / include / auth.php
1 <?php
2
3
4 function nuke_session() {
5         unset($_SESSION['authenticated']);
6         unset($_SESSION['uid']);
7         unset($_SESSION['visitor_id']);
8         unset($_SESSION['administrator']);
9         unset($_SESSION['cid']);
10         unset($_SESSION['theme']);
11         unset($_SESSION['page_flags']);
12 }
13
14
15 // login/logout 
16
17
18
19
20 if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
21
22         if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
23         
24                 // process logout request
25
26                 nuke_session();
27                 notice( t('Logged out.') . EOL);
28                 goaway($a->get_baseurl());
29         }
30
31         if(x($_SESSION,'uid')) {
32
33                 // already logged in user returning
34
35                 $check = get_config('system','paranoia');
36                 // extra paranoia - if the IP changed, log them out
37                 if($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
38                         nuke_session();
39                         goaway($a->get_baseurl());
40                 }
41
42                 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
43                         intval($_SESSION['uid'])
44                 );
45
46                 if(! count($r)) {
47                         nuke_session();
48                         goaway($a->get_baseurl());
49                 }
50
51                 // initialise user environment
52
53                 $a->user = $r[0];
54                 $_SESSION['theme'] = $a->user['theme'];
55                 $_SESSION['page_flags'] = $a->user['page-flags'];
56
57                 if(strlen($a->user['timezone'])) {
58                         date_default_timezone_set($a->user['timezone']);
59                         $a->timezone = $a->user['timezone'];
60                 }
61
62                 $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
63
64                 $r = q("SELECT `uid`,`username` FROM `user` WHERE `password` = '%s' AND `email` = '%s'",
65                         dbesc($a->user['password']),
66                         dbesc($a->user['email'])
67                 );
68                 if(count($r))
69                         $a->identities = $r;
70
71                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
72                         intval($_SESSION['uid']));
73                 if(count($r)) {
74                         $a->contact = $r[0];
75                         $a->cid = $r[0]['id'];
76                         $_SESSION['cid'] = $a->cid;
77
78                 }
79                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
80         }
81 }
82 else {
83
84         if(isset($_SESSION)) {
85                 nuke_session();
86         }
87
88         if((x($_POST,'password')) && strlen($_POST['password']))
89                 $encrypted = hash('whirlpool',trim($_POST['password']));
90         else {
91                 if((x($_POST,'openid_url')) && strlen($_POST['openid_url'])) {
92
93                         $noid = get_config('system','no_openid');
94
95                         $openid_url = trim($_POST['openid_url']);
96
97                         // validate_url alters the calling parameter
98
99                         $temp_string = $openid_url;
100
101                         // if it's an email address or doesn't resolve to a URL, fail.
102
103                         if(($noid) || (strpos($temp_string,'@')) || (! validate_url($temp_string))) {
104                                 $a = get_app();
105                                 notice( t('Login failed.') . EOL);
106                                 goaway($a->get_baseurl());
107                                 // NOTREACHED
108                         }
109
110                         // Otherwise it's probably an openid.
111
112                         require_once('library/openid.php');
113                         $openid = new LightOpenID;
114                         $openid->identity = $openid_url;
115                         $_SESSION['openid'] = $openid_url;
116                         $a = get_app();
117                         $openid->returnUrl = $a->get_baseurl() . '/openid'; 
118
119                         $r = q("SELECT `uid` FROM `user` WHERE `openid` = '%s' LIMIT 1",
120                                 dbesc($openid_url)
121                         );
122                         if(count($r)) { 
123                                 // existing account
124                                 goaway($openid->authUrl());
125                                 // NOTREACHED   
126                         }
127                         else {
128                                 if($a->config['register_policy'] == REGISTER_CLOSED) {
129                                         $a = get_app();
130                                         notice( t('Login failed.') . EOL);
131                                         goaway($a->get_baseurl());
132                                         // NOTREACHED
133                                 }
134                                 // new account
135                                 $_SESSION['register'] = 1;
136                                 $openid->required = array('namePerson/friendly', 'contact/email', 'namePerson');
137                                 $openid->optional = array('namePerson/first','media/image/aspect11','media/image/default');
138                                 goaway($openid->authUrl());
139                                 // NOTREACHED   
140                         }
141                 }
142         }
143         if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
144
145                 $record = null;
146
147                 $addon_auth = array(
148                         'username' => trim($_POST['openid_url']), 
149                         'password' => trim($_POST['password']),
150                         'authenticated' => 0,
151                         'user_record' => null
152                 );
153
154                 /**
155                  *
156                  * A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record
157                  * Plugins should never set 'authenticated' except to indicate success - as hooks may be chained
158                  * and later plugins should not interfere with an earlier one that succeeded.
159                  *
160                  */
161
162                 call_hooks('authenticate', $addon_auth);
163
164                 if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
165                         $record = $addon_auth['user_record'];
166                 }
167                 else {
168
169                         // process normal login request
170
171                         $r = q("SELECT * FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' ) 
172                                 AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
173                                 dbesc(trim($_POST['openid_url'])),
174                                 dbesc(trim($_POST['openid_url'])),
175                                 dbesc($encrypted)
176                         );
177                         if(count($r))
178                                 $record = $r[0];
179                 }
180
181                 if((! $record) || (! count($record))) {
182                         logger('authenticate: failed login attempt: ' . trim($_POST['openid_url'])); 
183                         notice( t('Login failed.') . EOL );
184                         goaway($a->get_baseurl());
185                 }
186
187                 $_SESSION['uid'] = $record['uid'];
188                 $_SESSION['theme'] = $record['theme'];
189                 $_SESSION['authenticated'] = 1;
190                 $_SESSION['page_flags'] = $record['page-flags'];
191                 $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $record['nickname'];
192                 $_SESSION['addr'] = $_SERVER['REMOTE_ADDR'];
193
194                 notice( t("Welcome back ") . $record['username'] . EOL);
195                 $a->user = $record;
196
197                 if(strlen($a->user['timezone'])) {
198                         date_default_timezone_set($a->user['timezone']);
199                         $a->timezone = $a->user['timezone'];
200                 }
201
202                 $r = q("SELECT `uid`,`username` FROM `user` WHERE `password` = '%s' AND `email` = '%s'",
203                         dbesc($a->user['password']),
204                         dbesc($a->user['email'])
205                 );
206                 if(count($r))
207                         $a->identities = $r;
208
209
210                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
211                         intval($_SESSION['uid']));
212                 if(count($r)) {
213                         $a->contact = $r[0];
214                         $a->cid = $r[0]['id'];
215                         $_SESSION['cid'] = $a->cid;
216                 }
217                 q("UPDATE `user` SET `login_date` = '%s' WHERE `uid` = %d LIMIT 1",
218                         dbesc(datetime_convert()),
219                         intval($_SESSION['uid'])
220                 );
221
222                 call_hooks('logged_in', $a->user);
223
224                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
225                 if(($a->module !== 'home') && isset($_SESSION['return_url']))
226                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
227         }
228 }
229
230 // Returns an array of group id's this contact is a member of.
231 // This array will only contain group id's related to the uid of this
232 // DFRN contact. They are *not* neccessarily unique across the entire site. 
233
234
235 if(! function_exists('init_groups_visitor')) {
236 function init_groups_visitor($contact_id) {
237         $groups = array();
238         $r = q("SELECT `gid` FROM `group_member` 
239                 WHERE `contact-id` = %d ",
240                 intval($contact_id)
241         );
242         if(count($r)) {
243                 foreach($r as $rr)
244                         $groups[] = $rr['gid'];
245         }
246         return $groups;
247 }}
248
249