Files
IPB/applications/core/modules/front/system/facebook.php
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2025-12-19 05:51:58 -08:00

114 lines
3.4 KiB
PHP

<?php
/**
* @brief Facebook Authentication
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @since 09 August 2018
*/
namespace IPS\core\modules\front\system;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !\defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Facebook auth for ACP
*/
class _facebook extends \IPS\Dispatcher\Controller
{
/**
* View Announcement
*
* @return void
*/
protected function manage()
{
if ( ! \IPS\Member::loggedIn()->member_id )
{
\IPS\Output::i()->redirect( \IPS\Http\Url::internal( "app=core&module=system&controller=login", 'front', 'login' )->addRef( \IPS\Http\Url::internal( 'app=core&module=system&controller=facebook' ) ) );
}
/* Check the member has permission to manage promote settings */
if ( ! \IPS\Member::loggedIn()->hasAcpRestriction( 'core', 'promotion', 'promote_manage' ) )
{
\IPS\Output::i()->error( 'no_module_permission', '3C396/1', 403, '' );
}
$promote = \IPS\core\Promote::getPromoter( 'Facebook' );
$facebook = $promote::getLoginHandler();
/* Required handler present and enabled? */
if( $facebook === NULL )
{
\IPS\Output::i()->error( 'promote_facebook_setup_app', '3C396/2', 403, '' );
}
$url = \IPS\Http\Url::internal( 'app=core&module=system&controller=facebook' );
try
{
/* Get a request token */
if ( !isset( \IPS\Request::i()->code ) )
{
$target = \IPS\Http\Url::external('https://www.facebook.com/dialog/oauth')->setQueryString( array(
'client_id' => $facebook->settings['client_id'],
'response_type' => 'code',
'redirect_uri' => (string) \IPS\Http\Url::internal( 'oauth/callback/', 'none' ),
'state' => $facebook->id . '-' . base64_encode( $url ) . '-' . \IPS\Session::i()->csrfKey . '-x',
'scope' => 'manage_pages publish_pages'
) );
\IPS\Output::i()->redirect( $target );
}
/* CSRF Check */
if ( \IPS\Request::i()->csrfKey !== \IPS\Session::i()->csrfKey )
{
throw new \IPS\Login\Exception( 'CSRF_FAIL', \IPS\Login\Exception::INTERNAL_ERROR );
}
/* Did we get an error? */
if ( isset( \IPS\Request::i()->error ) )
{
if ( \IPS\Request::i()->error === 'access_denied' )
{
return NULL;
}
else
{
\IPS\Log::log( print_r( $_GET, TRUE ), 'oauth' );
throw new \IPS\Login\Exception( 'generic_error', \IPS\Login\Exception::INTERNAL_ERROR );
}
}
/* If we have a code, swap it for an access token, otherwise, decode what we have */
if ( isset( \IPS\Request::i()->code ) )
{
$accessToken = $facebook->exchangeMemberToken( \IPS\Request::i()->code );
}
/* Store the settings */
$promote->saveSettings( array(
'member_token' => $accessToken
) );
/* Show a done page */
\IPS\Output::i()->title = \IPS\Member::loggedIn()->language()->addToStack('promote_facebook_sorted');
\IPS\Output::i()->output = \IPS\Theme::i()->getTemplate( 'promote' )->promoteFacebookComplete();
}
catch ( \Exception $e )
{
\IPS\Log::log( $e, 'facebook_promote' );
\IPS\Output::i()->error( 'generic_error', '4C375/1', 403, $e->getMessage() );
}
}
}