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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($args) {
27         parent::handle($args);
28         if (!common_logged_in()) {
29             common_user_error(_('Not logged in.'));
30         } else {
31             $this->try_login();
32         }
33     }
34     
35     function try_login() {
36
37         $consumer =& oid_consumer();
38
39         $response = $consumer->complete(common_local_url('finishaddopenid'));
40
41         if ($response->status == Auth_OpenID_CANCEL) {
42             $this->message(_('OpenID authentication cancelled.'));
43             return;
44         } else if ($response->status == Auth_OpenID_FAILURE) {
45             // Authentication failed; display the error message.
46             $this->message(sprintf(_('OpenID authentication failed: %s'), $response->message));
47         } else if ($response->status == Auth_OpenID_SUCCESS) {
48
49             $display = $response->getDisplayIdentifier();
50             $canonical = ($response->endpoint && $response->endpoint->canonicalID) ?
51               $response->endpoint->canonicalID : $display;
52
53             $sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse($response);
54
55             if ($sreg_resp) {
56                 $sreg = $sreg_resp->contents();
57             }
58
59             $cur =& common_current_user();
60             $other = oid_get_user($canonical);
61
62             if ($other) {
63                 if ($other->id == $cur->id) {
64                     $this->message(_('You already have this OpenID!'));
65                 } else {
66                     $this->message(_('Someone else already has this OpenID.'));
67                 }
68                 return;
69             }
70
71             # start a transaction
72
73             $cur->query('BEGIN');
74
75             $result = oid_link_user($cur->id, $canonical, $display);
76
77             if (!$result) {
78                 $this->message(_('Error connecting user.'));
79                 return;
80             }
81             if ($sreg) {
82                 if (!oid_update_user($cur, $sreg)) {
83                     $this->message(_('Error updating profile'));
84                     return;
85                 }
86             }
87
88             # success!
89
90             $cur->query('COMMIT');
91
92             oid_set_last($display);
93
94             common_redirect(common_local_url('openidsettings'));
95         }
96     }
97
98     function message($msg) {
99         common_show_header(_('OpenID Login'));
100         common_element('p', null, $msg);
101         common_show_footer();
102     }
103 }