forked from GNUsocial/gnu-social
458 lines
12 KiB
PHP
458 lines
12 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2010, StatusNet, Inc.
|
|
*
|
|
* A plugin for integrating Facebook with StatusNet. Includes single-sign-on
|
|
* and publishing notices to Facebook using Facebook's Graph API.
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* 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 Pugin
|
|
* @package StatusNet
|
|
* @author Zach Copley <zach@status.net>
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
if (!defined('STATUSNET')) {
|
|
exit(1);
|
|
}
|
|
|
|
define("FACEBOOK_SERVICE", 2);
|
|
|
|
/**
|
|
* Main class for Facebook plugin
|
|
*
|
|
* @category Plugin
|
|
* @package StatusNet
|
|
* @author Zach Copley <zach@status.net>
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
class FacebookSSOPlugin extends Plugin
|
|
{
|
|
public $appId = null; // Facebook application ID
|
|
public $apikey = null; // Facebook API key (for deprecated "Old REST API")
|
|
public $secret = null; // Facebook application secret
|
|
public $facebook = null; // Facebook application instance
|
|
public $dir = null; // Facebook SSO plugin dir
|
|
|
|
/**
|
|
* Initializer for this plugin
|
|
*
|
|
* Gets an instance of the Facebook API client object
|
|
*
|
|
* @return boolean hook value; true means continue processing, false means stop.
|
|
*/
|
|
function initialize()
|
|
{
|
|
$this->facebook = Facebookclient::getFacebook(
|
|
$this->appId,
|
|
$this->apikey,
|
|
$this->secret
|
|
);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Load related modules when needed
|
|
*
|
|
* @param string $cls Name of the class to be loaded
|
|
*
|
|
* @return boolean hook value; true means continue processing, false means stop.
|
|
*/
|
|
function onAutoload($cls)
|
|
{
|
|
|
|
$dir = dirname(__FILE__);
|
|
|
|
//common_debug("class = " . $cls);
|
|
|
|
switch ($cls)
|
|
{
|
|
case 'Facebook': // Facebook PHP SDK
|
|
include_once $dir . '/extlib/facebook.php';
|
|
return false;
|
|
case 'FacebookloginAction':
|
|
case 'FacebookfinishloginAction':
|
|
case 'FacebookadminpanelAction':
|
|
case 'FacebooksettingsAction':
|
|
case 'FacebookdeauthorizeAction':
|
|
include_once $dir . '/actions/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
|
|
return false;
|
|
case 'Facebookclient':
|
|
case 'FacebookQueueHandler':
|
|
include_once $dir . '/lib/' . strtolower($cls) . '.php';
|
|
return false;
|
|
default:
|
|
return true;
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
* Does this $action need the Facebook JavaScripts?
|
|
*/
|
|
function needsScripts($action)
|
|
{
|
|
static $needy = array(
|
|
'FacebookloginAction',
|
|
'FacebookfinishloginAction',
|
|
'FacebookadminpanelAction',
|
|
'FacebooksettingsAction'
|
|
);
|
|
|
|
if (in_array(get_class($action), $needy)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Map URLs to actions
|
|
*
|
|
* @param Net_URL_Mapper $m path-to-action mapper
|
|
*
|
|
* @return boolean hook value; true means continue processing, false means stop.
|
|
*/
|
|
function onRouterInitialized($m)
|
|
{
|
|
// Always add the admin panel route
|
|
$m->connect('admin/facebook', array('action' => 'facebookadminpanel'));
|
|
|
|
// Only add these routes if an application has been setup on
|
|
// Facebook for the plugin to use.
|
|
if ($this->hasApplication()) {
|
|
|
|
$m->connect(
|
|
'main/facebooklogin',
|
|
array('action' => 'facebooklogin')
|
|
);
|
|
$m->connect(
|
|
'main/facebookfinishlogin',
|
|
array('action' => 'facebookfinishlogin')
|
|
);
|
|
$m->connect(
|
|
'settings/facebook',
|
|
array('action' => 'facebooksettings')
|
|
);
|
|
$m->connect(
|
|
'facebook/deauthorize',
|
|
array('action' => 'facebookdeauthorize')
|
|
);
|
|
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Add a login tab for Facebook, but only if there's a Facebook
|
|
* application defined for the plugin to use.
|
|
*
|
|
* @param Action &action the current action
|
|
*
|
|
* @return void
|
|
*/
|
|
function onEndLoginGroupNav(&$action)
|
|
{
|
|
$action_name = $action->trimmed('action');
|
|
|
|
if ($this->hasApplication()) {
|
|
|
|
$action->menuItem(
|
|
common_local_url('facebooklogin'),
|
|
_m('MENU', 'Facebook'),
|
|
// TRANS: Tooltip for menu item "Facebook".
|
|
_m('Login or register using Facebook'),
|
|
'facebooklogin' === $action_name
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Add a Facebook tab to the admin panels
|
|
*
|
|
* @param Widget $nav Admin panel nav
|
|
*
|
|
* @return boolean hook value
|
|
*/
|
|
function onEndAdminPanelNav($nav)
|
|
{
|
|
if (AdminPanelAction::canAdmin('facebook')) {
|
|
|
|
$action_name = $nav->action->trimmed('action');
|
|
|
|
$nav->out->menuItem(
|
|
common_local_url('facebookadminpanel'),
|
|
// TRANS: Menu item.
|
|
_m('MENU','Facebook'),
|
|
// TRANS: Tooltip for menu item "Facebook".
|
|
_m('Facebook integration configuration'),
|
|
$action_name == 'facebookadminpanel',
|
|
'nav_facebook_admin_panel'
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Add a tab for user-level Facebook settings
|
|
*
|
|
* @param Action &action the current action
|
|
*
|
|
* @return void
|
|
*/
|
|
function onEndConnectSettingsNav(&$action)
|
|
{
|
|
if ($this->hasApplication()) {
|
|
$action_name = $action->trimmed('action');
|
|
|
|
$action->menuItem(
|
|
common_local_url('facebooksettings'),
|
|
// TRANS: Menu item tab.
|
|
_m('MENU','Facebook'),
|
|
// TRANS: Tooltip for menu item "Facebook".
|
|
_m('Facebook settings'),
|
|
$action_name === 'facebooksettings'
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Is there a Facebook application for the plugin to use?
|
|
*
|
|
* Checks to see if a Facebook application ID and secret
|
|
* have been configured and a valid Facebook API client
|
|
* object exists.
|
|
*
|
|
*/
|
|
function hasApplication()
|
|
{
|
|
if (!empty($this->facebook)) {
|
|
|
|
$appId = $this->facebook->getAppId();
|
|
$secret = $this->facebook->getApiSecret();
|
|
|
|
if (!empty($appId) && !empty($secret)) {
|
|
return true;
|
|
}
|
|
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Output a Facebook div for the Facebook JavaSsript SDK to use
|
|
*
|
|
* @param Action $action the current action
|
|
*
|
|
*/
|
|
function onStartShowHeader($action)
|
|
{
|
|
// output <div id="fb-root"></div> as close to <body> as possible
|
|
$action->element('div', array('id' => 'fb-root'));
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Load the Facebook JavaScript SDK on pages that need them.
|
|
*
|
|
* @param Action $action the current action
|
|
*
|
|
*/
|
|
function onEndShowScripts($action)
|
|
{
|
|
if ($this->needsScripts($action)) {
|
|
|
|
$action->script('https://connect.facebook.net/en_US/all.js');
|
|
|
|
$script = <<<ENDOFSCRIPT
|
|
FB.init({appId: %1\$s, session: %2\$s, status: true, cookie: true, xfbml: true});
|
|
|
|
$('#facebook_button').bind('click', function(event) {
|
|
|
|
event.preventDefault();
|
|
|
|
FB.login(function(response) {
|
|
if (response.session && response.perms) {
|
|
window.location.href = '%3\$s';
|
|
} else {
|
|
// NOP (user cancelled login)
|
|
}
|
|
}, {perms:'read_stream,publish_stream,offline_access,user_status,user_location,user_website,email'});
|
|
});
|
|
ENDOFSCRIPT;
|
|
|
|
$action->inlineScript(
|
|
sprintf($script,
|
|
json_encode($this->facebook->getAppId()),
|
|
json_encode($this->facebook->getSession()),
|
|
common_local_url('facebookfinishlogin')
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Log the user out of Facebook, per the Facebook authentication guide
|
|
*
|
|
* @param Action action the current action
|
|
*/
|
|
function onEndLogout($action)
|
|
{
|
|
if ($this->hasApplication()) {
|
|
$session = $this->facebook->getSession();
|
|
$fbuser = null;
|
|
$fbuid = null;
|
|
|
|
if ($session) {
|
|
try {
|
|
$fbuid = $this->facebook->getUser();
|
|
$fbuser = $this->facebook->api('/me');
|
|
} catch (FacebookApiException $e) {
|
|
common_log(LOG_ERROR, $e, __FILE__);
|
|
}
|
|
}
|
|
|
|
if (!empty($fbuser)) {
|
|
|
|
$logoutUrl = $this->facebook->getLogoutUrl(
|
|
array('next' => common_local_url('public'))
|
|
);
|
|
|
|
common_log(
|
|
LOG_INFO,
|
|
sprintf(
|
|
"Logging user out of Facebook (fbuid = %s)",
|
|
$fbuid
|
|
),
|
|
__FILE__
|
|
);
|
|
common_debug("LOGOUT URL = $logoutUrl");
|
|
common_redirect($logoutUrl, 303);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add fbml namespace to our HTML, so Facebook's JavaScript SDK can parse
|
|
* and render XFBML tags
|
|
*
|
|
* @param Action $action the current action
|
|
* @param array $attrs array of attributes for the HTML tag
|
|
*
|
|
* @return nothing
|
|
*/
|
|
function onStartHtmlElement($action, $attrs) {
|
|
|
|
if ($this->needsScripts($action)) {
|
|
$attrs = array_merge(
|
|
$attrs,
|
|
array('xmlns:fb' => 'http://www.facebook.com/2008/fbml')
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Add a Facebook queue item for each notice
|
|
*
|
|
* @param Notice $notice the notice
|
|
* @param array &$transports the list of transports (queues)
|
|
*
|
|
* @return boolean hook return
|
|
*/
|
|
function onStartEnqueueNotice($notice, &$transports)
|
|
{
|
|
if (self::hasApplication() && $notice->isLocal()) {
|
|
array_push($transports, 'facebook');
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Register Facebook notice queue handler
|
|
*
|
|
* @param QueueManager $manager
|
|
*
|
|
* @return boolean hook return
|
|
*/
|
|
function onEndInitializeQueueManager($manager)
|
|
{
|
|
if (self::hasApplication()) {
|
|
$manager->connect('facebook', 'FacebookQueueHandler');
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Use SSL for Facebook stuff
|
|
*
|
|
* @param string $action name
|
|
* @param boolean $ssl outval to force SSL
|
|
* @return mixed hook return value
|
|
*/
|
|
function onSensitiveAction($action, &$ssl)
|
|
{
|
|
$sensitive = array(
|
|
'facebookadminpanel',
|
|
'facebooksettings',
|
|
'facebooklogin',
|
|
'facebookfinishlogin'
|
|
);
|
|
|
|
if (in_array($action, $sensitive)) {
|
|
$ssl = true;
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add version info for this plugin
|
|
*
|
|
* @param array &$versions plugin version descriptions
|
|
*/
|
|
function onPluginVersion(&$versions)
|
|
{
|
|
$versions[] = array(
|
|
'name' => 'Facebook Single-Sign-On',
|
|
'version' => STATUSNET_VERSION,
|
|
'author' => 'Craig Andrews, Zach Copley',
|
|
'homepage' => 'http://status.net/wiki/Plugin:FacebookSSO',
|
|
'rawdescription' =>
|
|
_m('A plugin for integrating StatusNet with Facebook.')
|
|
);
|
|
|
|
return true;
|
|
}
|
|
}
|