3 * StatusNet, the distributed open-source microblogging tool
5 * Plugin to add a StatusNet Facebook application
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@status.net>
25 * @copyright 2009 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('STATUSNET')) {
34 define("FACEBOOK_CONNECT_SERVICE", 3);
35 define('FACEBOOKPLUGIN_VERSION', '0.9');
37 require_once INSTALLDIR . '/plugins/Facebook/facebookutil.php';
40 * Facebook plugin to add a StatusNet Facebook application
44 * @author Zach Copley <zach@status.net>
45 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
46 * @link http://status.net/
49 class FacebookPlugin extends Plugin
53 * Add Facebook app actions to the router table
55 * Hook for RouterInitialized event.
57 * @param Net_URL_Mapper &$m path-to-action mapper
59 * @return boolean hook return
62 function onStartInitializeRouter($m)
67 $m->connect('facebook/app', array('action' => 'facebookhome'));
68 $m->connect('facebook/app/index.php', array('action' => 'facebookhome'));
69 $m->connect('facebook/app/settings.php',
70 array('action' => 'facebooksettings'));
71 $m->connect('facebook/app/invite.php', array('action' => 'facebookinvite'));
72 $m->connect('facebook/app/remove', array('action' => 'facebookremove'));
74 // Facebook Connect stuff
76 $m->connect('main/facebookconnect', array('action' => 'FBConnectAuth'));
77 $m->connect('main/facebooklogin', array('action' => 'FBConnectLogin'));
78 $m->connect('settings/facebook', array('action' => 'FBConnectSettings'));
79 $m->connect('xd_receiver.html', array('action' => 'FBC_XDReceiver'));
85 * Automatically load the actions and libraries used by the Facebook app
87 * @param Class $cls the class
89 * @return boolean hook return
93 function onAutoload($cls)
96 case 'FacebookAction':
97 case 'FacebookhomeAction':
98 case 'FacebookinviteAction':
99 case 'FacebookremoveAction':
100 case 'FacebooksettingsAction':
101 include_once INSTALLDIR . '/plugins/Facebook/' .
102 strtolower(mb_substr($cls, 0, -6)) . '.php';
104 case 'FBConnectAuthAction':
105 case 'FBConnectLoginAction':
106 case 'FBConnectSettingsAction':
107 case 'FBC_XDReceiverAction':
108 include_once INSTALLDIR . '/plugins/Facebook/' .
109 mb_substr($cls, 0, -6) . '.php';
111 case 'FBCLoginGroupNav':
112 include_once INSTALLDIR . '/plugins/Facebook/FBCLoginGroupNav.php';
114 case 'FBCSettingsNav':
115 include_once INSTALLDIR . '/plugins/Facebook/FBCSettingsNav.php';
123 * Override normal HTML output to force the content type to
124 * text/html and add in xmlns:fb
126 * @param Action $action the current action
131 function onStartShowHTML($action)
134 if ($this->reqFbScripts($action)) {
136 // XXX: Horrible hack to make Safari, FF2, and Chrome work with
137 // Facebook Connect. These browser cannot use Facebook's
138 // DOM parsing routines unless the mime type of the page is
139 // text/html even though Facebook Connect uses XHTML. This is
140 // A bug in Facebook Connect, and this is a temporary solution
141 // until they fix their JavaScript libs.
143 header('Content-Type: text/html');
145 $action->extraHeaders();
147 $action->startXML('html');
149 $language = $action->getLanguage();
151 $action->elementStart('html',
152 array('xmlns' => 'http://www.w3.org/1999/xhtml',
153 'xmlns:fb' => 'http://www.facebook.com/2008/fbml',
154 'xml:lang' => $language,
155 'lang' => $language));
166 * Add in the Facebook Connect JavaScript stuff
168 * Note: this script needs to appear in the <body>
170 * @param Action $action the current action
176 function onEndShowScripts($action)
178 if ($this->reqFbScripts($action)) {
180 $apikey = common_config('facebook', 'apikey');
181 $plugin_path = common_path('plugins/Facebook');
183 $login_url = common_local_url('FBConnectAuth');
184 $logout_url = common_local_url('logout');
186 // XXX: Facebook says we don't need this FB_RequireFeatures(),
187 // but we actually do, for IE and Safari. Gar.
189 $js .= ' $(document).ready(function () {';
190 $js .= ' FB_RequireFeatures(';
191 $js .= ' ["XFBML"], function() {';
192 $js .= ' FB.init("%1$s", "../xd_receiver.html");';
197 $js .= ' function goto_login() {';
198 $js .= ' window.location = "%2$s";';
201 // The below function alters the logout link so that it logs the user out
202 // of Facebook Connect as well as the site. However, for some pages
203 // (FB Connect Settings) we need to output the FB Connect scripts (to
204 // show an existing FB connection even if the user isn't authenticated
205 // with Facebook connect) but NOT alter the logout link. And the only
206 // way to reliably do that is with the FB Connect .js libs. Crazy.
208 $js .= ' FB.ensureInit(function() {';
209 $js .= ' FB.Connect.ifUserConnected(';
210 $js .= ' function() { ';
211 $js .= ' $(\'#nav_logout a\').attr(\'href\', \'#\');';
212 $js .= ' $(\'#nav_logout a\').click(function() {';
213 $js .= ' FB.Connect.logoutAndRedirect(\'%3$s\');';
214 $js .= ' return false;';
217 $js .= ' function() {';
218 $js .= ' return false;';
223 $js = sprintf($js, $apikey, $login_url, $logout_url);
225 // Compress the bugger down a bit
227 $js = str_replace(' ', '', $js);
229 $action->inlineScript($js);
235 * Add in an additional Facebook Connect script that's supposed to
236 * appear as close as possible to </body>
238 * @param Action $action the current action
244 function onEndShowFooter($action)
246 if ($this->reqFbScripts($action)) {
247 $action->script('http://static.ak.connect.facebook.com' .
248 '/js/api_lib/v0.4/FeatureLoader.js.php');
253 * Output Facebook Connect specific CSS link
255 * @param Action $action the current action
261 function onEndShowStatusNetStyles($action)
263 if ($this->reqFbScripts($action)) {
264 $action->cssLink('plugins/Facebook/FBConnect.css');
269 * Does the Action we're plugged into require the FB Scripts? We only
270 * want to output FB namespace, scripts, CSS, etc. on the pages that
273 * @param Action $action the current action
275 * @return boolean true
278 function reqFbScripts($action)
281 // If you're logged in w/FB Connect, you always need the FB stuff
283 $fbuid = $this->loggedIn();
285 if (!empty($fbuid)) {
289 // List of actions that require FB stuff
291 $needy = array('FBConnectLoginAction',
292 'FBConnectauthAction',
293 'FBConnectSettingsAction');
295 if (in_array(get_class($action), $needy)) {
304 * Is the user currently logged in with FB Connect?
306 * @return mixed $fbuid the Facebook ID of the logged in user, or null
311 $user = common_current_user();
315 $flink = Foreign_link::getByUserId($user->id,
316 FACEBOOK_CONNECT_SERVICE);
319 if (!empty($flink)) {
323 $facebook = getFacebook();
324 $fbuid = $facebook->get_loggedin_user();
326 } catch (Exception $e) {
327 common_log(LOG_WARNING, 'Facebook Connect Plugin - ' .
328 'Problem getting Facebook user: ' .
342 * Add in a Facebook Connect avatar to the primary nav menu
344 * @param Action $action the current action
350 function onStartPrimaryNav($action)
352 $user = common_current_user();
354 $connect = 'FBConnectSettings';
355 if (common_config('xmpp', 'enabled')) {
356 $connect = 'imsettings';
357 } else if (common_config('sms', 'enabled')) {
358 $connect = 'smssettings';
359 } else if (common_config('twitter', 'enabled')) {
360 $connect = 'twittersettings';
365 $fbuid = $this->loggedIn();
367 if (!empty($fbuid)) {
369 /* Default FB silhouette pic for FB users who haven't
370 uploaded a profile pic yet. */
373 'http://static.ak.fbcdn.net/pics/q_silhouette.gif';
375 $url = $this->getProfilePicURL($fbuid);
377 $action->elementStart('li', array('id' => 'nav_fb'));
379 $action->element('img', array('id' => 'fbc_profile-pic',
380 'src' => (!empty($url)) ? $url : $silhouetteUrl,
381 'alt' => 'Facebook Connect User',
382 'width' => '16'), '');
384 $iconurl = common_path('plugins/Facebook/fbfavicon.ico');
385 $action->element('img', array('id' => 'fb_favicon',
388 $action->elementEnd('li');
397 * Add a login tab for Facebook Connect
399 * @param Action &action the current action
404 function onEndLoginGroupNav(&$action)
407 $action_name = $action->trimmed('action');
409 $action->menuItem(common_local_url('FBConnectLogin'),
411 _m('Login or register using Facebook'),
412 'FBConnectLogin' === $action_name);
418 * Add a tab for managing Facebook Connect settings
420 * @param Action &action the current action
425 function onEndConnectSettingsNav(&$action)
427 $action_name = $action->trimmed('action');
429 $action->menuItem(common_local_url('FBConnectSettings'),
431 _m('Facebook Connect Settings'),
432 $action_name === 'FBConnectSettings');
438 * Have the logout process do some Facebook Connect cookie cleanup
440 * @param Action $action the current action
445 function onStartLogout($action)
448 $fbuid = $this->loggedIn();
450 if (!empty($fbuid)) {
452 $facebook = getFacebook();
453 $facebook->expire_session();
454 } catch (Exception $e) {
455 common_log(LOG_WARNING, 'Facebook Connect Plugin - ' .
456 'Could\'t logout of Facebook: ' .
465 * Get the URL of the user's Facebook avatar
467 * @param int $fbuid the Facebook user ID
469 * @return string $url the url for the user's Facebook avatar
472 function getProfilePicURL($fbuid)
474 $facebook = getFacebook();
479 $fqry = 'SELECT pic_square FROM user WHERE uid = %s';
481 $result = $facebook->api_client->fql_query(sprintf($fqry, $fbuid));
483 if (!empty($result)) {
484 $url = $result[0]['pic_square'];
487 } catch (Exception $e) {
488 common_log(LOG_WARNING, 'Facebook Connect Plugin - ' .
489 "Facebook client failure requesting profile pic!");
496 * Add a Facebook queue item for each notice
498 * @param Notice $notice the notice
499 * @param array &$transports the list of transports (queues)
501 * @return boolean hook return
504 function onStartEnqueueNotice($notice, &$transports)
506 array_push($transports, 'facebook');
511 * broadcast the message when not using queuehandler
513 * @param Notice &$notice the notice
514 * @param array $queue destination queue
516 * @return boolean hook return
519 function onUnqueueHandleNotice(&$notice, $queue)
521 if (($queue == 'facebook') && ($this->_isLocal($notice))) {
522 facebookBroadcastNotice($notice);
529 * Determine whether the notice was locally created
531 * @param Notice $notice the notice
533 * @return boolean locality
536 function _isLocal($notice)
538 return ($notice->is_local == Notice::LOCAL_PUBLIC ||
539 $notice->is_local == Notice::LOCAL_NONPUBLIC);
543 * Add Facebook queuehandler to the list of daemons to start
545 * @param array $daemons the list fo daemons to run
547 * @return boolean hook return
551 function onGetValidDaemons($daemons)
553 array_push($daemons, INSTALLDIR .
554 '/plugins/Facebook/facebookqueuehandler.php');
558 function onPluginVersion(&$versions)
560 $versions[] = array('name' => 'Facebook',
561 'version' => FACEBOOKPLUGIN_VERSION,
562 'author' => 'Zach Copley',
563 'homepage' => 'http://status.net/wiki/Plugin:Facebook',
565 _m('The Facebook plugin allows you to integrate ' .
566 'your StatusNet instance with ' .
567 '<a href="http://facebook.com/">Facebook</a> ' .
568 'and Facebook Connect.'));