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