279 lines
9.0 KiB
PHP
279 lines
9.0 KiB
PHP
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<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Plugin to enable Facebook Connect
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package Laconica
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* @author Zach Copley <zach@controlyourself.ca>
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* @copyright 2009 Control Yourself, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR . '/plugins/FBConnect/FBConnectLogin.php';
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require_once INSTALLDIR . '/lib/facebookutil.php';
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/**
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* Plugin to enable Facebook Connect
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*
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* @category Plugin
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* @package Laconica
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* @author Zach Copley <zach@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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class FBConnectPlugin extends Plugin
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{
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function __construct()
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{
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parent::__construct();
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}
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// Hook in new actions
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function onRouterInitialized(&$m) {
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$m->connect('main/facebookconnect', array('action' => 'fbconnectlogin'));
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}
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// Add in xmlns:fb
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function onStartShowHTML($action)
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{
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// XXX: This is probably a bad place to do general processing
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// so maybe I need to make some new events? Maybe in
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// Action::prepare?
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$name = get_class($action);
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common_debug("action: $name");
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// Avoid a redirect loop
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if ($name != 'FBConnectloginAction') {
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$this->checkFacebookUser($action);
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}
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$httpaccept = isset($_SERVER['HTTP_ACCEPT']) ?
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$_SERVER['HTTP_ACCEPT'] : null;
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// XXX: allow content negotiation for RDF, RSS, or XRDS
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$cp = common_accept_to_prefs($httpaccept);
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$sp = common_accept_to_prefs(PAGE_TYPE_PREFS);
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$type = common_negotiate_type($cp, $sp);
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if (!$type) {
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throw new ClientException(_('This page is not available in a '.
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'media type you accept'), 406);
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}
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header('Content-Type: '.$type);
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$action->extraHeaders();
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$action->startXML('html',
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'-//W3C//DTD XHTML 1.0 Strict//EN',
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'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
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$language = $action->getLanguage();
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$action->elementStart('html', array('xmlns' => 'http://www.w3.org/1999/xhtml',
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'xmlns:fb' => 'http://www.facebook.com/2008/fbml',
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'xml:lang' => $language,
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'lang' => $language));
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return false;
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}
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function onEndShowLaconicaScripts($action)
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{
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$action->element('script',
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array('type' => 'text/javascript',
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'src' => 'http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php'),
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' ');
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$apikey = common_config('facebook', 'apikey');
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$plugin_path = common_path('plugins/FBConnect');
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$login_url = common_get_returnto() || common_local_url('public');
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$html = sprintf('<script type="text/javascript">FB.init("%s", "%s/xd_receiver.htm");
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function refresh_page() {
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window.location = "%s";
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}
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</script>', $apikey, $plugin_path, $login_url);
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$action->raw($html);
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}
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function onStartPrimaryNav($action)
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{
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$user = common_current_user();
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if ($user) {
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$action->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
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_('Home'), _('Personal profile and friends timeline'), false, 'nav_home');
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$action->menuItem(common_local_url('profilesettings'),
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_('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account');
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if (common_config('xmpp', 'enabled')) {
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$action->menuItem(common_local_url('imsettings'),
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_('Connect'), _('Connect to IM, SMS, Twitter'), false, 'nav_connect');
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} else {
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$action->menuItem(common_local_url('smssettings'),
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_('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect');
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}
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$action->menuItem(common_local_url('invite'),
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_('Invite'),
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sprintf(_('Invite friends and colleagues to join you on %s'),
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common_config('site', 'name')),
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false, 'nav_invitecontact');
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// Need to override the Logout link to make it do FB stuff
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$logout_url = common_local_url('logout');
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$title = _('Logout from the site');
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$text = _('Logout');
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$html = sprintf('<li id="nav_logout"><a href="%s" title="%s" ' .
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'onclick="FB.Connect.logoutAndRedirect(\'%s\')">%s</a></li>',
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$logout_url, $title, $logout_url, $text);
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$action->raw($html);
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}
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else {
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if (!common_config('site', 'closed')) {
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$action->menuItem(common_local_url('register'),
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_('Register'), _('Create an account'), false, 'nav_register');
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}
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$action->menuItem(common_local_url('openidlogin'),
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_('OpenID'), _('Login with OpenID'), false, 'nav_openid');
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$action->menuItem(common_local_url('login'),
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_('Login'), _('Login to the site'), false, 'nav_login');
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}
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$action->menuItem(common_local_url('doc', array('title' => 'help')),
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_('Help'), _('Help me!'), false, 'nav_help');
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$action->menuItem(common_local_url('peoplesearch'),
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_('Search'), _('Search for people or text'), false, 'nav_search');
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// Tack on "Connect with Facebook" button
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// XXX: Maybe this looks bad and should not go here. Where should it go?
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if (!$user) {
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$action->elementStart('li');
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$action->element('fb:login-button', array('onlogin' => 'refresh_page()',
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'length' => 'long'));
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$action->elementEnd('li');
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}
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return false;
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}
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function checkFacebookUser() {
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try {
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$facebook = getFacebook();
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$fbuid = $facebook->get_loggedin_user();
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$user = common_current_user();
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// If you're a Facebook user and you're logged in do nothing
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// If you're a Facebook user and you're not logged in
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// redirect to Facebook connect login page because that means you have clicked
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// the 'connect with Facebook' button and have cookies
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if ($fbuid > 0) {
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if ($facebook->api_client->users_isAppUser($fbuid) ||
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$facebook->api_client->added) {
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// user should be connected...
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common_debug("Facebook user found: $fbuid");
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if ($user) {
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common_debug("Facebook user is logged in.");
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return;
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} else {
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common_debug("Facebook user is NOT logged in.");
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common_redirect(common_local_url('fbconnectlogin'), 303);
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}
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} else {
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common_debug("No Facebook connect user found.");
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}
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}
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} catch (Exception $e) {
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common_debug('Expired FB session.');
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}
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}
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function onStartLogout($action)
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{
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common_debug("onEndLogout()");
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common_set_user(null);
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common_real_login(false); // not logged in
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common_forgetme(); // don't log back in!
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try {
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$facebook = getFacebook();
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$fbuid = $facebook->get_loggedin_user();
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// XXX: ARGGGH this doesn't work right!
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if ($fbuid) {
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$facebook->expire_session();
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$facebook->logout(common_local_url('public'));
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}
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} catch (Exception $e) {
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common_debug('Problem expiring FB session');
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}
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common_debug("logged out.");
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return false;
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}
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}
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