3b28f226c7
Might be better to rewrite the login mechanism to use server side flow now that Facebook provides it.
144 lines
4.3 KiB
PHP
144 lines
4.3 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010-2011, StatusNet, Inc.
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*
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* An action that handles deauthorize callbacks from Facebook
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2010-2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/*
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* Action class for handling deauthorize callbacks from Facebook. If the user
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* doesn't have a password let her know she'll need to contact the site
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* admin to get back into her account (if possible).
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*/
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class FacebookdeauthorizeAction extends Action
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{
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private $facebook;
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/**
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* For initializing members of the class.
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*
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* @param array $args misc. arguments
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*
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* @return boolean true
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*/
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function prepare($args)
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{
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$this->facebook = Facebookclient::getFacebook();
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return true;
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}
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/**
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* Handler method
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*
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* @param array $args is ignored since it's now passed in in prepare()
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*/
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function handle($args)
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{
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parent::handle($args);
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$data = $this->facebook->getSignedRequest();
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if (isset($data['user_id'])) {
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$fbuid = $data['user_id'];
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$flink = Foreign_link::getByForeignID($fbuid, FACEBOOK_SERVICE);
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$user = $flink->getUser();
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// Remove the link to Facebook
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$result = $flink->delete();
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if (!$result) {
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common_log_db_error($flink, 'DELETE', __FILE__);
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common_log(
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LOG_WARNING,
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sprintf(
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'Unable to delete Facebook foreign link '
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. 'for %s (%d), fbuid %d',
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$user->nickname,
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$user->id,
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$fbuid
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),
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__FILE__
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);
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return;
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}
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common_log(
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LOG_INFO,
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sprintf(
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'Facebook callback: %s (%d), fbuid %d has deauthorized '
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. 'the Facebook application.',
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$user->nickname,
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$user->id,
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$fbuid
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),
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__FILE__
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);
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// Warn the user about being locked out of their account
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// if we can.
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if (empty($user->password) && !empty($user->email)) {
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Facebookclient::emailWarn($user);
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} else {
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common_log(
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LOG_WARNING,
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sprintf(
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'%s (%d), fbuid %d has deauthorized his/her Facebook '
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. 'connection but hasn\'t set a password so s/he '
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. 'is locked out.',
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$user->nickname,
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$user->id,
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$fbuid
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),
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__FILE__
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);
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}
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} else {
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if (!empty($data)) {
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common_log(
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LOG_WARNING,
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sprintf(
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'Facebook called the deauthorize callback '
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. ' but didn\'t provide a user ID.'
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),
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__FILE__
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);
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} else {
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// It probably wasn't Facebook that hit this action,
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// so redirect to the public timeline
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common_redirect(common_local_url('public'), 303);
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}
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}
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}
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}
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