3 * Laconica, the distributed open-source microblogging tool
5 * Plugin to enable Facebook Connect
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Zach Copley <zach@controlyourself.ca>
25 * @copyright 2009 Control Yourself, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://laconi.ca/
30 if (!defined('LACONICA')) {
34 require_once INSTALLDIR . '/plugins/FBConnect/FBConnectLogin.php';
35 require_once INSTALLDIR . '/lib/facebookutil.php';
38 * Plugin to enable Facebook Connect
42 * @author Zach Copley <zach@controlyourself.ca>
43 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
44 * @link http://laconi.ca/
47 class FBConnectPlugin extends Plugin
50 function __construct()
52 parent::__construct();
55 // Hook in new actions
56 function onRouterInitialized(&$m) {
57 $m->connect('main/facebookconnect', array('action' => 'fbconnectlogin'));
61 function onStartShowHTML($action)
64 // XXX: This is probably a bad place to do general processing
65 // so maybe I need to make some new events? Maybe in
68 $name = get_class($action);
70 common_debug("action: $name");
72 // Avoid a redirect loop
73 if ($name != 'FBConnectloginAction') {
75 $this->checkFacebookUser($action);
79 $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ?
80 $_SERVER['HTTP_ACCEPT'] : null;
82 // XXX: allow content negotiation for RDF, RSS, or XRDS
84 $cp = common_accept_to_prefs($httpaccept);
85 $sp = common_accept_to_prefs(PAGE_TYPE_PREFS);
87 $type = common_negotiate_type($cp, $sp);
90 throw new ClientException(_('This page is not available in a '.
91 'media type you accept'), 406);
95 header('Content-Type: '.$type);
97 $action->extraHeaders();
99 $action->startXML('html',
100 '-//W3C//DTD XHTML 1.0 Strict//EN',
101 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
103 $language = $action->getLanguage();
105 $action->elementStart('html', array('xmlns' => 'http://www.w3.org/1999/xhtml',
106 'xmlns:fb' => 'http://www.facebook.com/2008/fbml',
107 'xml:lang' => $language,
108 'lang' => $language));
114 function onEndShowLaconicaScripts($action)
117 $action->element('script',
118 array('type' => 'text/javascript',
119 'src' => 'http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php'),
122 $apikey = common_config('facebook', 'apikey');
123 $plugin_path = common_path('plugins/FBConnect');
125 $login_url = common_get_returnto() || common_local_url('public');
127 $html = sprintf('<script type="text/javascript">FB.init("%s", "%s/xd_receiver.htm");
129 function refresh_page() {
130 window.location = "%s";
133 </script>', $apikey, $plugin_path, $login_url);
139 function onStartPrimaryNav($action)
141 $user = common_current_user();
144 $action->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
145 _('Home'), _('Personal profile and friends timeline'), false, 'nav_home');
146 $action->menuItem(common_local_url('profilesettings'),
147 _('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account');
148 if (common_config('xmpp', 'enabled')) {
149 $action->menuItem(common_local_url('imsettings'),
150 _('Connect'), _('Connect to IM, SMS, Twitter'), false, 'nav_connect');
152 $action->menuItem(common_local_url('smssettings'),
153 _('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect');
155 $action->menuItem(common_local_url('invite'),
157 sprintf(_('Invite friends and colleagues to join you on %s'),
158 common_config('site', 'name')),
159 false, 'nav_invitecontact');
161 // Need to override the Logout link to make it do FB stuff
163 $logout_url = common_local_url('logout');
164 $title = _('Logout from the site');
167 $html = sprintf('<li id="nav_logout"><a href="%s" title="%s" ' .
168 'onclick="FB.Connect.logoutAndRedirect(\'%s\')">%s</a></li>',
169 $logout_url, $title, $logout_url, $text);
175 if (!common_config('site', 'closed')) {
176 $action->menuItem(common_local_url('register'),
177 _('Register'), _('Create an account'), false, 'nav_register');
179 $action->menuItem(common_local_url('openidlogin'),
180 _('OpenID'), _('Login with OpenID'), false, 'nav_openid');
181 $action->menuItem(common_local_url('login'),
182 _('Login'), _('Login to the site'), false, 'nav_login');
185 $action->menuItem(common_local_url('doc', array('title' => 'help')),
186 _('Help'), _('Help me!'), false, 'nav_help');
187 $action->menuItem(common_local_url('peoplesearch'),
188 _('Search'), _('Search for people or text'), false, 'nav_search');
190 // Tack on "Connect with Facebook" button
192 // XXX: Maybe this looks bad and should not go here. Where should it go?
195 $action->elementStart('li');
196 $action->element('fb:login-button', array('onlogin' => 'refresh_page()',
197 'length' => 'long'));
198 $action->elementEnd('li');
204 function checkFacebookUser() {
208 $facebook = getFacebook();
209 $fbuid = $facebook->get_loggedin_user();
210 $user = common_current_user();
212 // If you're a Facebook user and you're logged in do nothing
214 // If you're a Facebook user and you're not logged in
215 // redirect to Facebook connect login page because that means you have clicked
216 // the 'connect with Facebook' button and have cookies
220 if ($facebook->api_client->users_isAppUser($fbuid) ||
221 $facebook->api_client->added) {
223 // user should be connected...
225 common_debug("Facebook user found: $fbuid");
228 common_debug("Facebook user is logged in.");
232 common_debug("Facebook user is NOT logged in.");
233 common_redirect(common_local_url('fbconnectlogin'), 303);
237 common_debug("No Facebook connect user found.");
241 } catch (Exception $e) {
242 common_debug('Expired FB session.');
247 function onStartLogout($action)
249 common_debug("onEndLogout()");
251 common_set_user(null);
252 common_real_login(false); // not logged in
253 common_forgetme(); // don't log back in!
257 $facebook = getFacebook();
258 $fbuid = $facebook->get_loggedin_user();
260 // XXX: ARGGGH this doesn't work right!
263 $facebook->expire_session();
264 $facebook->logout(common_local_url('public'));
267 } catch (Exception $e) {
268 common_debug('Problem expiring FB session');
271 common_debug("logged out.");