Add an action to handle deauthorization callbacks from Facebook

This commit is contained in:
Zach Copley 2010-11-10 01:18:06 +00:00
parent 5b94d9e86b
commit 3c921f38de
3 changed files with 235 additions and 13 deletions

View File

@ -94,6 +94,7 @@ class FacebookSSOPlugin extends Plugin
case 'FacebookfinishloginAction': case 'FacebookfinishloginAction':
case 'FacebookadminpanelAction': case 'FacebookadminpanelAction':
case 'FacebooksettingsAction': case 'FacebooksettingsAction':
case 'FacebookdeauthorizeAction':
include_once $dir . '/actions/' . strtolower(mb_substr($cls, 0, -6)) . '.php'; include_once $dir . '/actions/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false; return false;
case 'Facebookclient': case 'Facebookclient':
@ -149,11 +150,14 @@ class FacebookSSOPlugin extends Plugin
'main/facebookfinishlogin', 'main/facebookfinishlogin',
array('action' => 'facebookfinishlogin') array('action' => 'facebookfinishlogin')
); );
$m->connect( $m->connect(
'settings/facebook', 'settings/facebook',
array('action' => 'facebooksettings') array('action' => 'facebooksettings')
); );
$m->connect(
'facebook/deauthorize',
array('action' => 'facebookdeauthorize')
);
} }

View File

@ -0,0 +1,214 @@
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* An action that handles deauthorize callbacks from Facebook
*
* 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 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/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/*
* Action class for handling deauthorize callbacks from Facebook. If the user
* doesn't have a password let her know she'll need to contact the site
* admin to get back into her account (if possible).
*/
class FacebookdeauthorizeAction extends Action
{
private $facebook;
/**
* For initializing members of the class.
*
* @param array $args misc. arguments
*
* @return boolean true
*/
function prepare($args)
{
$this->facebook = Facebookclient::getFacebook();
return true;
}
/**
* Handler method
*
* @param array $args is ignored since it's now passed in in prepare()
*/
function handle($args)
{
parent::handle($args);
$data = $this->facebook->getSignedRequest();
if (isset($data['user_id'])) {
$fbuid = $data['user_id'];
$flink = Foreign_link::getByForeignID($fbuid, FACEBOOK_SERVICE);
$user = $flink->getUser();
// Remove the link to Facebook
$result = $flink->delete();
if (!$result) {
common_log_db_error($flink, 'DELETE', __FILE__);
common_log(
LOG_WARNING,
sprintf(
'Unable to delete Facebook foreign link '
. 'for %s (%d), fbuid %s',
$user->nickname,
$user->id,
$fbuid
),
__FILE__
);
return;
}
common_log(
LOG_INFO,
sprintf(
'Facebook callback: %s (%d), fbuid %s has deauthorized '
. 'the Facebook application.',
$user->nickname,
$user->id,
$fbuid
),
__FILE__
);
// Warn the user about being locked out of their account
// if we can.
if (empty($user->password) && !empty($user->email)) {
$this->emailWarn($user);
} else {
common_log(
LOG_WARNING,
sprintf(
'%s (%d), fbuid $s has deauthorized his/her Facebook '
. 'connection but hasn\'t set a password so s/he '
. 'is locked out.',
$user->nickname,
$user->id,
$fbuid
),
__FILE__
);
}
} else {
if (!empty($data)) {
common_log(
LOG_WARNING,
sprintf(
'Facebook called the deauthorize callback '
. ' but didn\'t provide a user ID.'
),
__FILE__
);
} else {
// It probably wasn't Facebook that hit this action,
// so redirect to the login page
common_redirect(common_local_url('login'), 303);
}
}
}
/*
* Send the user an email warning that their account has been
* disconnected and he/she has no way to login and must contact
* the site administrator for help.
*
* @param User $user the deauthorizing user
*
*/
function emailWarn($user)
{
$profile = $user->getProfile();
$siteName = common_config('site', 'name');
$siteEmail = common_config('site', 'email');
if (empty($siteEmail)) {
common_log(
LOG_WARNING,
"No site email address configured. Please set one."
);
}
common_switch_locale($user->language);
$subject = _m('Contact the %s administrator to retrieve your account');
$msg = <<<BODY
Hi %1$s,
We've noticed you have deauthorized the Facebook connection for your
%2$s account. You have not set a password for your %2$s account yet, so
you will not be able to login. If you wish to continue using your %2$s
account, please contact the site administrator (%3$s) to set a password.
Sincerely,
%2$s
BODY;
$body = sprintf(
_m($msg),
$user->nickname,
$siteName,
$siteEmail
);
common_switch_locale();
if (mail_to_user($user, $subject, $body)) {
common_log(
LOG_INFO,
sprintf(
'Sent account lockout warning to %s (%d)',
$user->nickname,
$user->id
),
__FILE__
);
} else {
common_log(
LOG_WARNING,
sprintf(
'Unable to send account lockout warning to %s (%d)',
$user->nickname,
$user->id
),
__FILE__
);
}
}
}

View File

@ -673,25 +673,29 @@ class Facebookclient
*/ */
function mailFacebookDisconnect() function mailFacebookDisconnect()
{ {
$profile = $user->getProfile(); $profile = $this->user->getProfile();
$siteName = common_config('site', 'name'); $siteName = common_config('site', 'name');
common_switch_locale($user->language); common_switch_locale($this->user->language);
$subject = sprintf( $subject = _m('Your Facebook connection has been removed');
_m('Your Facebook connection has been removed'),
$siteName
);
$msg = <<<BODY $msg = <<<BODY
Hi, %1$s. We're sorry to inform you we are unable to publish your notice to Hi %1$s,
Facebook, and have removed the connection between your %2$s account and Facebook.
This may have happened because you have removed permission for %2$s to post on We're sorry to inform you we are unable to publish your notice to
your behalf, or perhaps you have deactivated your Facebook account. You can Facebook, and have removed the connection between your %2$s account and
reconnect your %s account to Facebook at any time by logging in with Facebook Facebook.
again.
This may have happened because you have removed permission for %2$s
to post on your behalf, or perhaps you have deactivated your Facebook
account. You can reconnect your %s account to Facebook at any time by
logging in with Facebook again.
Sincerely,
%2$s
BODY; BODY;
$body = sprintf( $body = sprintf(
_m($msg), _m($msg),