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<?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');
# About one year cookie expiry
define('OPENID_COOKIE_EXPIRY', round(365.25 * 24 * 60 * 60));
define('OPENID_COOKIE_KEY', 'lastusedopenid');
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 $consumer;
}
function oid_clear_last() {
if (oid_get_last()) {
oid_set_last('');
}
}
function oid_set_last($openid_url) {
global $config;
setcookie(OPENID_COOKIE_KEY, $openid_url,
time() + OPENID_COOKIE_EXPIRY,
'/' . $config['site']['path'] . '/',
$config['site']['server']);
}
function oid_get_last() {
return $_COOKIE[OPENID_COOKIE_KEY];
}
function oid_link_user($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 . ': ' . $err->message, __FILE__);
return false;
}
return true;
}
function oid_get_user($openid_url) {
$user = NULL;
$oid = User_openid::staticGet('canonical', $openid_url);
if ($oid) {
$user = User::staticGet('id', $oid->user_id);
}
return $user;
}
function oid_check_immediate($openid_url, $backto=NULL) {
if (!$backto) {
$backto = $_SERVER['PHP_SELF'];
}
common_ensure_session();
$_SESSION['openid_immediate_backto'] = $backto;
oid_authenticate($openid_url,
'finishimmediate',
true);
}
function oid_authenticate($openid_url, $returnto, $immediate=false) {
$consumer = oid_consumer();
if (!$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,
$immediate);
if (!$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,
$immediate, 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('/&/', '&', $form_html);
// Display an error if the form markup couldn't be generated;
// otherwise, render the HTML.
if (Auth_OpenID::isFailure($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();
}
}
}
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