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-rw-r--r--plugins/Facebook/FBConnectPlugin.php367
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diff --git a/plugins/Facebook/FBConnectPlugin.php b/plugins/Facebook/FBConnectPlugin.php
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+<?php
+/**
+ * StatusNet, 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 StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @copyright 2009 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET') && !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 StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+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 ($this->reqFbScripts($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');
+
+ $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' => $language));
+
+ return false;
+
+ } else {
+
+ return true;
+ }
+ }
+
+ // Note: this script needs to appear in the <body>
+
+ function onEndShowScripts($action)
+ {
+ if ($this->reqFbScripts($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.
+
+ $js = '<script type="text/javascript">';
+ $js .= ' $(document).ready(function () {';
+ $js .= ' FB_RequireFeatures(';
+ $js .= ' ["XFBML"], function() {';
+ $js .= ' FB.init("%1$s", "../xd_receiver.html");';
+ $js .= ' }';
+ $js .= ' );';
+ $js .= ' });';
+
+ $js .= ' function goto_login() {';
+ $js .= ' window.location = "%2$s";';
+ $js .= ' }';
+
+ // The below function alters the logout link so that it logs the user out
+ // of Facebook Connect as well as the site. However, for some pages
+ // (FB Connect Settings) we need to output the FB Connect scripts (to
+ // show an existing FB connection even if the user isn't authenticated
+ // with Facebook connect) but NOT alter the logout link. And the only
+ // way to reliably do that is with the FB Connect .js libs. Crazy.
+
+ $js .= ' FB.ensureInit(function() {';
+ $js .= ' FB.Connect.ifUserConnected(';
+ $js .= ' function() { ';
+ $js .= ' $(\'#nav_logout a\').attr(\'href\', \'#\');';
+ $js .= ' $(\'#nav_logout a\').click(function() {';
+ $js .= ' FB.Connect.logoutAndRedirect(\'%3$s\');';
+ $js .= ' return false;';
+ $js .= ' })';
+ $js .= ' },';
+ $js .= ' function() {';
+ $js .= ' return false;';
+ $js .= ' }';
+ $js .= ' );';
+ $js .= ' });';
+ $js .= '</script>';
+
+ $js = sprintf($js, $apikey, $login_url, $logout_url);
+
+ // Compress the bugger down a bit
+ $js = str_replace(' ', '', $js);
+
+ $action->raw(" $js"); // leading two spaces to make it line up
+ }
+
+ }
+
+ // Note: this script needs to appear as close as possible to </body>
+
+ function onEndShowFooter($action)
+ {
+ if ($this->reqFbScripts($action)) {
+ $action->script('http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php');
+ }
+ }
+
+ function onEndShowStatusNetStyles($action)
+ {
+ if ($this->reqFbScripts($action)) {
+ $action->cssLink('plugins/FBConnect/FBConnectPlugin.css');
+ }
+ }
+
+ /**
+ * Does the Action we're plugged into require the FB Scripts? We only
+ * want to output FB namespace, scripts, CSS, etc. on the pages that
+ * really need them.
+ *
+ * @param Action the action in question
+ *
+ * @return boolean true
+ */
+
+ function reqFbScripts($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 = $facebook->get_loggedin_user();
+
+ } catch (Exception $e) {
+ common_log(LOG_WARNING, 'Facebook Connect Plugin - ' .
+ 'Problem getting Facebook user: ' .
+ $e->getMessage());
+ }
+
+ if ($fbuid > 0) {
+ return $fbuid;
+ }
+ }
+ }
+
+ return null;
+ }
+
+ function onStartPrimaryNav($action)
+ {
+
+ $user = common_current_user();
+ $connect = 'FBConnectSettings';
+ if (common_config('xmpp', 'enabled')) {
+ $connect = 'imsettings';
+ } else if (common_config('sms', 'enabled')) {
+ $connect = 'smssettings';
+ } else if (common_config('twitter', 'enabled')) {
+ $connect = 'twittersettings';
+ }
+
+ if (!empty($user)) {
+
+ $fbuid = $this->loggedIn();
+
+ if (!empty($fbuid)) {
+
+ /* Default FB silhouette pic for FB users who haven't
+ uploaded a profile pic yet. */
+
+ $silhouetteUrl =
+ 'http://static.ak.fbcdn.net/pics/q_silhouette.gif';
+
+ $url = $this->getProfilePicURL($fbuid);
+
+ $action->elementStart('li', array('id' => 'nav_fb'));
+
+ $action->element('img', array('id' => 'fbc_profile-pic',
+ 'src' => (!empty($url)) ? $url : $silhouetteUrl,
+ 'alt' => 'Facebook Connect User',
+ 'width' => '16'), '');
+
+ $iconurl = common_path('plugins/FBConnect/fbfavicon.ico');
+ $action->element('img', array('id' => 'fb_favicon',
+ 'src' => $iconurl));
+
+ $action->elementEnd('li');
+
+ }
+ }
+
+ return true;
+ }
+
+ function onStartShowLocalNavBlock($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, 'Facebook Connect Plugin - ' .
+ 'Could\'t logout of Facebook: ' .
+ $e->getMessage());
+ }
+ }
+
+ return true;
+ }
+
+ function getProfilePicURL($fbuid)
+ {
+
+ $facebook = getFacebook();
+ $url = null;
+
+ try {
+
+ $fqry = 'SELECT pic_square FROM user WHERE uid = %s';
+
+ $result = $facebook->api_client->fql_query(sprintf($fqry, $fbuid));
+
+ if (!empty($result)) {
+ $url = $result[0]['pic_square'];
+ }
+
+ } catch (Exception $e) {
+ common_log(LOG_WARNING, 'Facebook Connect Plugin - ' .
+ "Facebook client failure requesting profile pic!");
+ }
+
+ return $url;
+
+ }
+
+}
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