friendica-addons/dav/SabreDAV/lib/Sabre/HTTP/BasicAuth.php

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2012-06-03 18:19:28 +00:00
<?php
/**
* HTTP Basic Authentication handler
*
* Use this class for easy http authentication setup
*
* @package Sabre
* @subpackage HTTP
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Sabre_HTTP_BasicAuth extends Sabre_HTTP_AbstractAuth {
/**
* Returns the supplied username and password.
*
* The returned array has two values:
* * 0 - username
* * 1 - password
*
* If nothing was supplied, 'false' will be returned
*
* @return mixed
*/
public function getUserPass() {
// Apache and mod_php
if (($user = $this->httpRequest->getRawServerValue('PHP_AUTH_USER')) && ($pass = $this->httpRequest->getRawServerValue('PHP_AUTH_PW'))) {
return array($user,$pass);
}
// Most other webservers
$auth = $this->httpRequest->getHeader('Authorization');
// Apache could prefix environment variables with REDIRECT_ when urls
// are passed through mod_rewrite
if (!$auth) {
$auth = $this->httpRequest->getRawServerValue('REDIRECT_HTTP_AUTHORIZATION');
}
if (!$auth) return false;
if (strpos(strtolower($auth),'basic')!==0) return false;
return explode(':', base64_decode(substr($auth, 6)));
}
/**
* Returns an HTTP 401 header, forcing login
*
* This should be called when username and password are incorrect, or not supplied at all
*
* @return void
*/
public function requireLogin() {
$this->httpResponse->setHeader('WWW-Authenticate','Basic realm="' . $this->realm . '"');
$this->httpResponse->sendStatus(401);
}
}