diff options
Diffstat (limited to 'plugins/FBConnect/FBConnectPlugin.php')
| -rw-r--r-- | plugins/FBConnect/FBConnectPlugin.php | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/plugins/FBConnect/FBConnectPlugin.php b/plugins/FBConnect/FBConnectPlugin.php new file mode 100644 index 000000000..30532e5ec --- /dev/null +++ b/plugins/FBConnect/FBConnectPlugin.php @@ -0,0 +1,278 @@ +<?php +/** + * Laconica, the distributed open-source microblogging tool + * + * Plugin to enable Facebook Connect + * + * 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 Zach Copley <zach@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); +} + +require_once INSTALLDIR . '/plugins/FBConnect/FBConnectLogin.php'; +require_once INSTALLDIR . '/lib/facebookutil.php'; + +/** + * Plugin to enable Facebook Connect + * + * @category Plugin + * @package Laconica + * @author Zach Copley <zach@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/ + */ + +class FBConnectPlugin extends Plugin +{ + + function __construct() + { + parent::__construct(); + } + + // Hook in new actions + function onRouterInitialized(&$m) { + $m->connect('main/facebookconnect', array('action' => 'fbconnectlogin')); + } + + // Add in xmlns:fb + function onStartShowHTML($action) + { + + // XXX: This is probably a bad place to do general processing + // so maybe I need to make some new events? Maybe in + // Action::prepare? + + $name = get_class($action); + + common_debug("action: $name"); + + // Avoid a redirect loop + if ($name != 'FBConnectloginAction') { + + $this->checkFacebookUser($action); + + } + + $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? + $_SERVER['HTTP_ACCEPT'] : null; + + // XXX: allow content negotiation for RDF, RSS, or XRDS + + $cp = common_accept_to_prefs($httpaccept); + $sp = common_accept_to_prefs(PAGE_TYPE_PREFS); + + $type = common_negotiate_type($cp, $sp); + + if (!$type) { + throw new ClientException(_('This page is not available in a '. + 'media type you accept'), 406); + } + + + header('Content-Type: '.$type); + + $action->extraHeaders(); + + $action->startXML('html', + '-//W3C//DTD XHTML 1.0 Strict//EN', + 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'); + + $language = $action->getLanguage(); + + $action->elementStart('html', array('xmlns' => 'http://www.w3.org/1999/xhtml', + 'xmlns:fb' => 'http://www.facebook.com/2008/fbml', + 'xml:lang' => $language, + 'lang' => $language)); + + return false; + + } + + function onEndShowLaconicaScripts($action) + { + + $action->element('script', + array('type' => 'text/javascript', + 'src' => 'http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php'), + ' '); + + $apikey = common_config('facebook', 'apikey'); + $plugin_path = common_path('plugins/FBConnect'); + + $login_url = common_get_returnto() || common_local_url('public'); + + $html = sprintf('<script type="text/javascript">FB.init("%s", "%s/xd_receiver.htm"); + + function refresh_page() { + window.location = "%s"; + } + + </script>', $apikey, $plugin_path, $login_url); + + + $action->raw($html); + } + + function onStartPrimaryNav($action) + { + $user = common_current_user(); + + if ($user) { + $action->menuItem(common_local_url('all', array('nickname' => $user->nickname)), + _('Home'), _('Personal profile and friends timeline'), false, 'nav_home'); + $action->menuItem(common_local_url('profilesettings'), + _('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account'); + if (common_config('xmpp', 'enabled')) { + $action->menuItem(common_local_url('imsettings'), + _('Connect'), _('Connect to IM, SMS, Twitter'), false, 'nav_connect'); + } else { + $action->menuItem(common_local_url('smssettings'), + _('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect'); + } + $action->menuItem(common_local_url('invite'), + _('Invite'), + sprintf(_('Invite friends and colleagues to join you on %s'), + common_config('site', 'name')), + false, 'nav_invitecontact'); + + // Need to override the Logout link to make it do FB stuff + + $logout_url = common_local_url('logout'); + $title = _('Logout from the site'); + $text = _('Logout'); + + $html = sprintf('<li id="nav_logout"><a href="%s" title="%s" ' . + 'onclick="FB.Connect.logoutAndRedirect(\'%s\')">%s</a></li>', + $logout_url, $title, $logout_url, $text); + + $action->raw($html); + + } + else { + if (!common_config('site', 'closed')) { + $action->menuItem(common_local_url('register'), + _('Register'), _('Create an account'), false, 'nav_register'); + } + $action->menuItem(common_local_url('openidlogin'), + _('OpenID'), _('Login with OpenID'), false, 'nav_openid'); + $action->menuItem(common_local_url('login'), + _('Login'), _('Login to the site'), false, 'nav_login'); + } + + $action->menuItem(common_local_url('doc', array('title' => 'help')), + _('Help'), _('Help me!'), false, 'nav_help'); + $action->menuItem(common_local_url('peoplesearch'), + _('Search'), _('Search for people or text'), false, 'nav_search'); + + // Tack on "Connect with Facebook" button + + // XXX: Maybe this looks bad and should not go here. Where should it go? + + if (!$user) { + $action->elementStart('li'); + $action->element('fb:login-button', array('onlogin' => 'refresh_page()', + 'length' => 'long')); + $action->elementEnd('li'); + } + + return false; + } + + function checkFacebookUser() { + + try { + + $facebook = getFacebook(); + $fbuid = $facebook->get_loggedin_user(); + $user = common_current_user(); + + // If you're a Facebook user and you're logged in do nothing + + // If you're a Facebook user and you're not logged in + // redirect to Facebook connect login page because that means you have clicked + // the 'connect with Facebook' button and have cookies + + if ($fbuid > 0) { + + if ($facebook->api_client->users_isAppUser($fbuid) || + $facebook->api_client->added) { + + // user should be connected... + + common_debug("Facebook user found: $fbuid"); + + if ($user) { + common_debug("Facebook user is logged in."); + return; + + } else { + common_debug("Facebook user is NOT logged in."); + common_redirect(common_local_url('fbconnectlogin'), 303); + } + + } else { + common_debug("No Facebook connect user found."); + } + } + + } catch (Exception $e) { + common_debug('Expired FB session.'); + } + + } + + function onStartLogout($action) + { + common_debug("onEndLogout()"); + + common_set_user(null); + common_real_login(false); // not logged in + common_forgetme(); // don't log back in! + + try { + + $facebook = getFacebook(); + $fbuid = $facebook->get_loggedin_user(); + + // XXX: ARGGGH this doesn't work right! + + if ($fbuid) { + $facebook->expire_session(); + $facebook->logout(common_local_url('public')); + } + + } catch (Exception $e) { + common_debug('Problem expiring FB session'); + } + + common_debug("logged out."); + + return false; + } + +} + + |