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
|
<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
class OpenidloginAction extends Action {
function handle($args) {
parent::handle($args);
if (common_logged_in()) {
common_user_error(_t('Already logged in.'));
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->start_openid_login();
} else {
$this->show_form();
}
}
function show_form($error=NULL) {
common_show_header(_t('OpenID Login'));
if ($error) {
common_element('div', array('class' => 'error'), $error);
} else {
common_element('div', 'instructions',
_t('Login with an OpenID account.'));
}
common_element_start('form', array('method' => 'POST',
'id' => 'openidlogin',
'action' => common_local_url('openidlogin')));
common_input('openid_url', _t('OpenID URL'));
common_submit('submit', _t('Login'));
common_element_end('form');
common_show_footer();
}
function start_openid_login() {
# XXX: form token in $_SESSION to prevent XSS
# XXX: login throttle
$openid_url = $this->trimmed('openid_url');
if (!common_valid_http_url($openid_url)) {
$this->show_form(_t('OpenID must be a valid URL.'));
return;
}
$consumer = oid_consumer();
if (!$consumer) {
common_server_error(_t('Cannot instantiate OpenID consumer object.'));
return;
}
common_ensure_session();
$auth_request = $consumer->begin($openid_url);
// Handle failure status return values.
if (!$auth_request) {
$this->show_form(_t('Not a valid OpenID.'));
return;
} else if (Auth_OpenID::isFailure($auth_request)) {
$this->show_form(_t('OpenID failure: ') . $auth_request->message);
return;
}
$sreg_request = Auth_OpenID_SRegRequest::build(// Required
array(),
// Optional
array('nickname',
'email',
'fullname',
'language',
'timezone',
'postcode',
'country'));
if ($sreg_request) {
$auth_request->addExtension($sreg_request);
}
$trust_root = common_root_url();
$process_url = common_local_url('finishopenidlogin');
if ($auth_request->shouldSendRedirect()) {
$redirect_url = $auth_request->redirectURL($trust_root,
$process_url);
if (!$redirect_url) {
} else if (Auth_OpenID::isFailure($redirect_url)) {
$this->show_form(_t('Could not redirect to server: ') . $redirect_url->message);
return;
} else {
common_redirect($redirect_url);
}
} else {
// Generate form markup and render it.
$form_id = 'openid_message';
$form_html = $auth_request->formMarkup($trust_root, $process_url,
false, array('id' => $form_id));
// Display an error if the form markup couldn't be generated;
// otherwise, render the HTML.
if (Auth_OpenID::isFailure($form_html)) {
$this->show_form(_t('Could not create OpenID form: ') . $form_html->message);
} else {
common_show_header(_t('OpenID Auto-Submit'));
common_element('p', 'instructions',
_t('This form should automatically submit itself. '.
'If not, click the submit button to go to your '.
'OpenID provider.'));
common_raw($form_html);
common_element('script', NULL,
'$(document).ready(function() { ' .
' $("#'. $form_id .'").submit(); '.
'}');
common_show_footer();
}
}
}
}
|
