/plugins/FBConnect/FBConnectPlugin.php
PHP | 395 lines | 238 code | 90 blank | 67 comment | 24 complexity | ba59c6d907cf976b2e83da9e60b8ff4b MD5 | raw file
Possible License(s): AGPL-3.0
- <?php
- /**
- * Laconica, 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 Laconica
- * @author Zach Copley <zach@controlyourself.ca>
- * @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 <zach@controlyourself.ca>
- * @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 ($this->reqFbScripts($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',
- '-//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' => $language));
- return false;
- } else {
- return true;
- }
- }
- // Note: this script needs to appear in the <body>
- function onStartShowHeader($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.
- $html = sprintf('<script type="text/javascript">
- window.onload = function () {
- FB_RequireFeatures(
- ["XFBML"],
- function() {
- FB.Facebook.init("%s", "../xd_receiver.html");
- }
- ); }
- function goto_login() {
- window.location = "%s";
- }
- function goto_logout() {
- window.location = "%s";
- }
- </script>', $apikey,
- $login_url, $logout_url);
- $action->raw($html);
- }
- }
- // Note: this script needs to appear as close as possible to </body>
- function onEndShowFooter($action)
- {
- if ($this->reqFbScripts($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 ($this->reqFbScripts($action)) {
- $action->element('link', array('rel' => 'stylesheet',
- 'type' => 'text/css',
- 'href' => common_path('plugins/FBConnect/FBConnectPlugin.css')));
- }
- }
- /**
- * Does the Action we're plugged into require the FB Scripts? We only
- * want to output FB namespace, scripts, CSS, etc. on the pages that
- * really need them.
- *
- * @param Action the action in question
- *
- * @return boolean true
- */
- function reqFbScripts($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 = 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)) {
- /* 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');
- }
- $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('<li id="nav_logout"><a href="%s" title="%s" ' .
- 'onclick="FB.Connect.logout(function() { goto_logout() })">%s</a></li>',
- $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('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: ' .
- $e->getMessage());
- }
- }
- return true;
- }
- function getProfilePicURL($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 client failure requesting profile pic!");
- }
- return $url;
- }
- }