gnu-social/plugins/OpenID/openid.php

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<?php
/*
2009-08-26 07:14:12 +09:00
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/plugins/OpenID/User_openid.php');
require_once('Auth/OpenID.php');
require_once('Auth/OpenID/Consumer.php');
require_once('Auth/OpenID/Server.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_server()
{
$store = oid_store();
$server = new Auth_OpenID_Server($store, common_local_url('openidserver'));
return $server;
}
function oid_clear_last()
{
oid_set_last('');
}
function oid_set_last($openid_url)
{
common_set_cookie(OPENID_COOKIE_KEY,
$openid_url,
time() + OPENID_COOKIE_EXPIRY);
}
function oid_get_last()
{
if (empty($_COOKIE[OPENID_COOKIE_KEY])) {
return null;
}
$openid_url = $_COOKIE[OPENID_COOKIE_KEY];
if ($openid_url && strlen($openid_url) > 0) {
return $openid_url;
} else {
return null;
}
}
function oid_link_user($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()) {
$err = PEAR::getStaticProperty('DB_DataObject','lastError');
return false;
}
return true;
}
function oid_get_user($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) {
$action = $_REQUEST['action'];
$args = common_copy_args($_GET);
unset($args['action']);
$backto = common_local_url($action, $args);
}
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(_m('Cannot instantiate OpenID consumer object.'));
return false;
}
common_ensure_session();
$auth_request = $consumer->begin($openid_url);
// Handle failure status return values.
if (!$auth_request) {
return _m('Not a valid OpenID.');
} else if (Auth_OpenID::isFailure($auth_request)) {
return sprintf(_m('OpenID failure: %s'), $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_root_url(true);
$process_url = common_local_url($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 sprintf(_m('Could not redirect to server: %s'), $redirect_url->message);
} else {
common_redirect($redirect_url, 303);
}
} 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('/&/', '&amp;', $form_html);
// Display an error if the form markup couldn't be generated;
// otherwise, render the HTML.
if (Auth_OpenID::isFailure($form_html)) {
common_server_error(sprintf(_m('Could not create OpenID form: %s'), $form_html->message));
} else {
$action = new AutosubmitAction(); // see below
$action->form_html = $form_html;
$action->form_id = $form_id;
$action->prepare(array('action' => 'autosubmit'));
$action->handle(array('action' => 'autosubmit'));
}
}
}
# Half-assed attempt at a module-private function
function _oid_print_instructions()
{
common_element('div', 'instructions',
_m('This form should automatically submit itself. '.
'If not, click the submit button to go to your '.
'OpenID provider.'));
}
# update a user from sreg parameters
function oid_update_user(&$user, &$sreg)
{
$profile = $user->getProfile();
$orig_profile = clone($profile);
if (!empty($sreg['fullname']) && strlen($sreg['fullname']) <= 255) {
$profile->fullname = $sreg['fullname'];
}
if (!empty($sreg['country'])) {
if ($sreg['postcode']) {
# XXX: use postcode to get city and region
# XXX: also, store postcode somewhere -- it's valuable!
$profile->location = $sreg['postcode'] . ', ' . $sreg['country'];
} else {
$profile->location = $sreg['country'];
}
}
# XXX save language if it's passed
# XXX save timezone if it's passed
if (!$profile->update($orig_profile)) {
common_server_error(_m('Error saving the profile.'));
return false;
}
$orig_user = clone($user);
if (!empty($sreg['email']) && Validate::email($sreg['email'], common_config('email', 'check_domain'))) {
$user->email = $sreg['email'];
}
if (!$user->update($orig_user)) {
common_server_error(_m('Error saving the user.'));
return false;
}
return true;
}
class AutosubmitAction extends Action
{
var $form_html = null;
var $form_id = null;
function handle($args)
{
parent::handle($args);
$this->showPage();
}
function title()
{
return _m('OpenID Auto-Submit');
}
function showContent()
{
$this->raw($this->form_html);
}
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function showScripts()
{
parent::showScripts();
$this->element('script', null,
'$(document).ready(function() { ' .
' $(\'#'. $this->form_id .'\').submit(); '.
'});');
}
}