<?php /** * HTTP Basic authentication backend class * * This class can be used by authentication objects wishing to use HTTP Basic * Most of the digest logic is handled, implementors just need to worry about * the validateUserPass method. * * @package Sabre * @subpackage DAV * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved. * @author James David Low (http://jameslow.com/) * @author Evert Pot (http://www.rooftopsolutions.nl/) * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License */ abstract class Sabre_DAV_Auth_Backend_AbstractBasic implements Sabre_DAV_Auth_IBackend { /** * This variable holds the currently logged in username. * * @var string|null */ protected $currentUser; /** * Validates a username and password * * This method should return true or false depending on if login * succeeded. * * @param string $username * @param string $password * @return bool */ abstract protected function validateUserPass($username, $password); /** * Returns information about the currently logged in username. * * If nobody is currently logged in, this method should return null. * * @return string|null */ public function getCurrentUser() { return $this->currentUser; } /** * Authenticates the user based on the current request. * * If authentication is successful, true must be returned. * If authentication fails, an exception must be thrown. * * @param Sabre_DAV_Server $server * @param string $realm * @throws Sabre_DAV_Exception_NotAuthenticated * @return bool */ public function authenticate(Sabre_DAV_Server $server, $realm) { $auth = new Sabre_HTTP_BasicAuth(); $auth->setHTTPRequest($server->httpRequest); $auth->setHTTPResponse($server->httpResponse); $auth->setRealm($realm); $userpass = $auth->getUserPass(); if (!$userpass) { $auth->requireLogin(); throw new Sabre_DAV_Exception_NotAuthenticated('No basic authentication headers were found'); } // Authenticates the user if (!$this->validateUserPass($userpass[0],$userpass[1])) { $auth->requireLogin(); throw new Sabre_DAV_Exception_NotAuthenticated('Username or password does not match'); } $this->currentUser = $userpass[0]; return true; } }