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64 lines
1.5 KiB
PHP
64 lines
1.5 KiB
PHP
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<?php
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namespace Sabre\HTTP\Auth;
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/**
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* HTTP Basic authentication utility.
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*
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* This class helps you setup basic auth. The process is fairly simple:
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*
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* 1. Instantiate the class.
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* 2. Call getCredentials (this will return null or a user/pass pair)
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* 3. If you didn't get valid credentials, call 'requireLogin'
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*
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* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class Basic extends AbstractAuth {
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/**
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* This method returns a numeric array with a username and password as the
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* only elements.
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*
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* If no credentials were found, this method returns null.
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*
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* @return null|array
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*/
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function getCredentials() {
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$auth = $this->request->getHeader('Authorization');
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if (!$auth) {
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return null;
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}
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if (strtolower(substr($auth, 0, 6)) !== 'basic ') {
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return null;
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}
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$credentials = explode(':', base64_decode(substr($auth, 6)), 2);
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if (2 !== count($credentials)) {
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return null;
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}
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return $credentials;
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}
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/**
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* This method sends the needed HTTP header and statuscode (401) to force
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* the user to login.
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*
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* @return void
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*/
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function requireLogin() {
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$this->response->addHeader('WWW-Authenticate', 'Basic realm="' . $this->realm . '", charset="UTF-8"');
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$this->response->setStatus(401);
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}
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}
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