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