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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* PHP version 5
*
* LICENCE: 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/>.
*
* @category Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
/**
* Plugin for OpenID authentication and identity
*
* This class enables consumer support for OpenID, the distributed authentication
* and identity system.
*
* @category Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
* @link http://openid.net/
*/
class OpenIDPlugin extends Plugin
{
/**
* Initializer for the plugin.
*/
function __construct()
{
parent::__construct();
}
/**
* Add OpenID-related paths to the router table
*
* Hook for RouterInitialized event.
*
* @return boolean hook return
*/
function onRouterInitialized(&$m)
{
$m->connect('main/openid', array('action' => 'openidlogin'));
$m->connect('settings/openid', array('action' => 'openidsettings'));
$m->connect('xrds', array('action' => 'publicxrds'));
$m->connect('index.php?action=finishopenidlogin', array('action' => 'finishopenidlogin'));
$m->connect('index.php?action=finishaddopenid', array('action' => 'finishaddopenid'));
return true;
}
function onEndLoginGroupNav(&$action)
{
$action_name = $action->trimmed('action');
$action->menuItem(common_local_url('openidlogin'),
_('OpenID'),
_('Login or register with OpenID'),
$action_name === 'openidlogin');
return true;
}
function onEndAccountSettingsNav(&$action)
{
$action_name = $action->trimmed('action');
$action->menuItem(common_local_url('openidsettings'),
_('OpenID'),
_('Add or remove OpenIDs'),
$action_name === 'openidsettings');
return true;
}
function onAutoload($cls)
{
switch ($cls)
{
case 'OpenidloginAction':
case 'FinishopenidloginAction':
case 'FinishaddopenidAction':
case 'XrdsAction':
case 'PublicxrdsAction':
case 'OpenidsettingsAction':
require_once(INSTALLDIR.'/plugins/OpenID/' . strtolower(mb_substr($cls, 0, -6)) . '.php');
return false;
case 'User_openid':
require_once(INSTALLDIR.'/plugins/OpenID/User_openid.php');
return false;
default:
return true;
}
}
function onSensitiveAction($action, &$ssl)
{
switch ($action)
{
case 'finishopenidlogin':
case 'finishaddopenid':
$ssl = true;
return false;
default:
return true;
}
}
function onLoginAction($action, &$login)
{
switch ($action)
{
case 'openidlogin':
case 'finishopenidlogin':
$login = true;
return false;
default:
return true;
}
}
/**
* We include a <meta> element linking to the publicxrds page, for OpenID
* client-side authentication.
*
* @return void
*/
function onEndHeadChildren($action)
{
// for client side of OpenID authentication
$action->element('meta', array('http-equiv' => 'X-XRDS-Location',
'content' => common_local_url('publicxrds')));
}
/**
* Redirect to OpenID login if they have an OpenID
*
* @return boolean whether to continue
*/
function onRedirectToLogin($action, $user)
{
if (!empty($user) && User_openid::hasOpenID($user->id)) {
common_redirect(common_local_url('openidlogin'), 303);
return false;
}
return true;
}
}
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