summaryrefslogtreecommitdiff
path: root/lib/openid.php
blob: 67f8edf7b3972385cb138d86d1c8565b38aa88ca (plain)
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
<?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); }

require_once(INSTALLDIR.'/classes/User_openid.php');

require_once('Auth/OpenID.php');
require_once('Auth/OpenID/Consumer.php');
require_once('Auth/OpenID/SReg.php');
require_once('Auth/OpenID/MySQLStore.php');

function oid_store() {
    static $store = NULL;
	if (!$store) {
		# Can't be called statically
		$user = new User();
		$conn = $user->getDatabaseConnection();
		$store = new Auth_OpenID_MySQLStore($conn);
	}
	return $store;
}

function oid_consumer() {
	$store = oid_store();
	$consumer = new Auth_OpenID_Consumer($store);
	return $consumer;
}

function oid_link_user($id, $canonical, $display) {
	
	$oid = new User_openid();
	$oid->user_id = $id;
	$oid->canonical = $canonical;
	$oid->display = $display;
	$oid->created = DB_DataObject_Cast::dateTime();

	if (!$oid->insert()) {
		$err = PEAR::getStaticProperty('DB_DataObject','lastError');
		common_debug('DB error ' . $err->code . ': ' . $err->message, __FILE__);
		return false;
	}
	
	return true;
}

function oid_authenticate($openid_url, $returnto) {
		
	$consumer = oid_consumer();
	
	if (!$consumer) {
		common_server_error(_t('Cannot instantiate OpenID consumer object.'));
		return false;
	}
	
	common_ensure_session();
	
	$auth_request = $consumer->begin($openid_url);
	
	// Handle failure status return values.
	if (!$auth_request) {
		return _t('Not a valid OpenID.');
	} else if (Auth_OpenID::isFailure($auth_request)) {
		return _t('OpenID failure: ') . $auth_request->message;
	}
	
	$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_local_url('public');
	$process_url = common_local_url($returnto);
	
	if ($auth_request->shouldSendRedirect()) {
		$redirect_url = $auth_request->redirectURL($trust_root,
												   $process_url);
		if (!$redirect_url) {
		} else if (Auth_OpenID::isFailure($redirect_url)) {
			return _t('Could not redirect to server: ') . $redirect_url->message;
		} else {
			common_redirect($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));
		
		# XXX: This is cheap, but things choke if we don't escape ampersands
		# in the HTML attributes
		
		$form_html = preg_replace('/&/', '&amp;', $form_html);
		
		// 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();
		}
	}
}