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[quix0rs-gnu-social.git] / actions / finishaddopenid.php
1 <?php
2 /*
3  * Laconica - a distributed open-source microblogging tool
4  * Copyright (C) 2008, Controlez-Vous, Inc.
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU Affero General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU Affero General Public License for more details.
15  *
16  * You should have received a copy of the GNU Affero General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 if (!defined('LACONICA')) { exit(1); }
21
22 require_once(INSTALLDIR.'/lib/openid.php');
23
24 class FinishaddopenidAction extends Action {
25
26     function handle($args)
27     {
28         parent::handle($args);
29         if (!common_logged_in()) {
30             common_user_error(_('Not logged in.'));
31         } else {
32             $this->try_login();
33         }
34     }
35     
36     function try_login()
37     {
38
39         $consumer =& oid_consumer();
40
41         $response = $consumer->complete(common_local_url('finishaddopenid'));
42
43         if ($response->status == Auth_OpenID_CANCEL) {
44             $this->message(_('OpenID authentication cancelled.'));
45             return;
46         } else if ($response->status == Auth_OpenID_FAILURE) {
47             // Authentication failed; display the error message.
48             $this->message(sprintf(_('OpenID authentication failed: %s'), $response->message));
49         } else if ($response->status == Auth_OpenID_SUCCESS) {
50
51             $display = $response->getDisplayIdentifier();
52             $canonical = ($response->endpoint && $response->endpoint->canonicalID) ?
53               $response->endpoint->canonicalID : $display;
54
55             $sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse($response);
56
57             if ($sreg_resp) {
58                 $sreg = $sreg_resp->contents();
59             }
60
61             $cur =& common_current_user();
62             $other = oid_get_user($canonical);
63
64             if ($other) {
65                 if ($other->id == $cur->id) {
66                     $this->message(_('You already have this OpenID!'));
67                 } else {
68                     $this->message(_('Someone else already has this OpenID.'));
69                 }
70                 return;
71             }
72
73             # start a transaction
74
75             $cur->query('BEGIN');
76
77             $result = oid_link_user($cur->id, $canonical, $display);
78
79             if (!$result) {
80                 $this->message(_('Error connecting user.'));
81                 return;
82             }
83             if ($sreg) {
84                 if (!oid_update_user($cur, $sreg)) {
85                     $this->message(_('Error updating profile'));
86                     return;
87                 }
88             }
89
90             # success!
91
92             $cur->query('COMMIT');
93
94             oid_set_last($display);
95
96             common_redirect(common_local_url('openidsettings'));
97         }
98     }
99
100     function message($msg)
101     {
102         common_show_header(_('OpenID Login'));
103         common_element('p', null, $msg);
104         common_show_footer();
105     }
106 }