gnu-social/plugins/FacebookBridge/actions/facebooklogin.php

110 lines
3.1 KiB
PHP

<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* An action for logging in with Facebook
*
* PHP version 5
*
* 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 StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2010-2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
class FacebookloginAction extends Action
{
function handle()
{
parent::handle();
if (common_is_real_login()) {
// TRANS: Client error displayed when trying to login while already logged in.
$this->clientError(_m('Already logged in.'));
} else {
$this->showPage();
}
}
function getInstructions()
{
// TRANS: Form instructions.
return _m('Login with your Facebook Account');
}
function showPageNotice()
{
$instr = $this->getInstructions();
$output = common_markup_to_html($instr);
$this->elementStart('div', 'instructions');
$this->raw($output);
$this->elementEnd('div');
}
function title()
{
// TRANS: Page title.
return _m('Login with Facebook');
}
function showContent() {
$this->elementStart('fieldset');
$facebook = Facebookclient::getFacebook();
$params = array(
'scope' => 'read_stream,publish_stream,offline_access,user_status,user_location,user_website,email',
'redirect_uri' => common_local_url('facebookfinishlogin')
);
// Degrade to plain link if JavaScript is not available
$this->elementStart(
'a',
array(
'href' => $facebook->getLoginUrl($params),
'id' => 'facebook_button'
)
);
$attrs = array(
'src' => Plugin::staticPath('FacebookBridge', 'images/login-button.png'),
// TRANS: Alt text for "Login with Facebook" image.
'alt' => _m('Login with Facebook'),
// TRANS: Title for "Login with Facebook" image.
'title' => _m('Login with Facebook.')
);
$this->element('img', $attrs);
$this->elementEnd('a');
$this->elementEnd('fieldset');
}
function showLocalNav()
{
$nav = new LoginGroupNav($this);
$nav->show();
}
}