. * * @category Plugin * @package Laconica * @author Zach Copley * @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); } define("FACEBOOK_CONNECT_SERVICE", 3); require_once INSTALLDIR . '/lib/facebookutil.php'; require_once INSTALLDIR . '/plugins/FBConnect/FBConnectAuth.php'; require_once INSTALLDIR . '/plugins/FBConnect/FBConnectLogin.php'; require_once INSTALLDIR . '/plugins/FBConnect/FBConnectSettings.php'; require_once INSTALLDIR . '/plugins/FBConnect/FBCLoginGroupNav.php'; require_once INSTALLDIR . '/plugins/FBConnect/FBCSettingsNav.php'; require_once INSTALLDIR . '/plugins/FBConnect/FBC_XDReceiver.php'; /** * Plugin to enable Facebook Connect * * @category Plugin * @package Laconica * @author Zach Copley * @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' => 'FBConnectAuth')); $m->connect('main/facebooklogin', array('action' => 'FBConnectLogin')); $m->connect('settings/facebook', array('action' => 'FBConnectSettings')); $m->connect('xd_receiver.html', array('action' => 'FBC_XDReceiver')); } // Add in xmlns:fb function onStartShowHTML($action) { if ($this->requiresFB($action)) { // XXX: Horrible hack to make Safari, FF2, and Chrome work with // Facebook Connect. These browser cannot use Facebook's // DOM parsing routines unless the mime type of the page is // text/html even though Facebook Connect uses XHTML. This is // A bug in Facebook Connect, and this is a temporary solution // until they fix their JavaScript libs. header('Content-Type: text/html'); $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' => $language)); return false; } else { return true; } } // Note: this script needs to appear in the function onStartShowHeader($action) { if ($this->requiresFB($action)) { $apikey = common_config('facebook', 'apikey'); $plugin_path = common_path('plugins/FBConnect'); $login_url = common_local_url('FBConnectAuth'); $logout_url = common_local_url('logout'); // XXX: Facebook says we don't need this FB_RequireFeatures(), // but we actually do, for IE and Safari. Gar. $html = sprintf('', $apikey, $login_url, $logout_url); $action->raw($html); } } // Note: this script needs to appear as close as possible to function onEndShowFooter($action) { if ($this->requiresFB($action)) { $action->element('script', array('type' => 'text/javascript', 'src' => 'http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php'), ''); } } function onEndShowLaconicaStyles($action) { if ($this->requiresFB($action)) { $action->element('link', array('rel' => 'stylesheet', 'type' => 'text/css', 'href' => common_path('plugins/FBConnect/FBConnectPlugin.css'))); } } /** * Does the Action we're plugged into require the FB Scripts? We only * want to output FB namespace, scripts, CSS, etc. on the pages that * really need them. * * @param Action the action in question * * @return boolean true */ function requiresFB($action) { // If you're logged in w/FB Connect, you always need the FB stuff $fbuid = $this->loggedIn(); if (!empty($fbuid)) { return true; } // List of actions that require FB stuff $needy = array('FBConnectLoginAction', 'FBConnectauthAction', 'FBConnectSettingsAction'); if (in_array(get_class($action), $needy)) { return true; } return false; } /** * Is the user currently logged in with FB Connect? * * @return mixed $fbuid the Facebook ID of the logged in user, or null */ function loggedIn() { $user = common_current_user(); if (!empty($user)) { $flink = Foreign_link::getByUserId($user->id, FACEBOOK_CONNECT_SERVICE); $fbuid = 0; if (!empty($flink)) { try { $facebook = getFacebook(); $fbuid = getFacebook()->get_loggedin_user(); } catch (Exception $e) { common_log(LOG_WARNING, 'Problem getting Facebook client: ' . $e->getMessage()); } if ($fbuid > 0) { return $fbuid; } } } return null; } function onStartPrimaryNav($action) { $user = common_current_user(); if (!empty($user)) { $fbuid = $this->loggedIn(); if (!empty($fbuid)) { $action->elementStart('li', array('id' => 'nav_fb')); $action->elementStart('fb:profile-pic', array('uid' => $fbuid, 'linked' => 'false', 'width' => 16, 'height' => 16)); $action->elementEnd('fb:profile-pic'); $iconurl = common_path('/plugins/FBConnect/fbfavicon.ico'); $action->element('img', array('src' => $iconurl)); $action->elementEnd('li'); } $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'); } if (common_config('invite', 'enabled')) { $action->menuItem(common_local_url('invite'), _('Invite'), sprintf(_('Invite friends and colleagues to join you on %s'), common_config('site', 'name')), false, 'nav_invitecontact'); } // Need to override the Logout link to make it do FB stuff if (!empty($fbuid)) { $logout_url = common_local_url('logout'); $title = _('Logout from the site'); $text = _('Logout'); $html = sprintf('

%s

', $logout_url, $title, $text); $action->raw($html); } else { $action->menuItem(common_local_url('logout'), _('Logout'), _('Logout from the site'), false, 'nav_logout'); } } 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'); $action->menuItem(common_local_url('peoplesearch'), _('Search'), _('Search for people or text'), false, 'nav_search'); return false; } function onStartShowLocalNavBlock($action) { $action_name = get_class($action); $login_actions = array('LoginAction', 'RegisterAction', 'OpenidloginAction', 'FBConnectLoginAction'); if (in_array($action_name, $login_actions)) { $nav = new FBCLoginGroupNav($action); $nav->show(); return false; } $connect_actions = array('SmssettingsAction', 'ImsettingsAction', 'TwittersettingsAction', 'FBConnectSettingsAction'); if (in_array($action_name, $connect_actions)) { $nav = new FBCSettingsNav($action); $nav->show(); return false; } return true; } function onStartLogout($action) { $action->logout(); $fbuid = $this->loggedIn(); if (!empty($fbuid)) { try { $facebook = getFacebook(); $facebook->expire_session(); } catch (Exception $e) { common_log(LOG_WARNING, 'Could\'t logout of Facebook: ' . $e->getMessage()); } } return true; } }