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https://github.com/kamilwylegala/cakephp2-php8.git
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7cfa0116f4
This statement does not serve a purpose anymore. In a long forgotten world it indicated the main version number of PHP which the code in the file was compatible to. http://pear.php.net/manual/en/standards.sample.php But since PHP 5.1 and later this is only marginally true. Thus I propose to remove it from CakePHP.
104 lines
3.2 KiB
PHP
104 lines
3.2 KiB
PHP
<?php
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/**
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* Digest authentication
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Network.Http
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* @since CakePHP(tm) v 2.0.0
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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/**
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* Digest authentication
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*
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* @package Cake.Network.Http
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*/
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class DigestAuthentication {
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/**
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* Authentication
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*
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* @param HttpSocket $http
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* @param array $authInfo
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* @return void
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* @link http://www.ietf.org/rfc/rfc2617.txt
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*/
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public static function authentication(HttpSocket $http, &$authInfo) {
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if (isset($authInfo['user'], $authInfo['pass'])) {
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if (!isset($authInfo['realm']) && !self::_getServerInformation($http, $authInfo)) {
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return;
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}
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$http->request['header']['Authorization'] = self::_generateHeader($http, $authInfo);
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}
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}
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/**
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* Retrieve information about the authentication
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*
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* @param HttpSocket $http
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* @param array $authInfo
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* @return boolean
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*/
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protected static function _getServerInformation(HttpSocket $http, &$authInfo) {
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$originalRequest = $http->request;
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$http->configAuth(false);
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$http->request($http->request);
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$http->request = $originalRequest;
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$http->configAuth('Digest', $authInfo);
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if (empty($http->response['header']['WWW-Authenticate'])) {
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return false;
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}
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preg_match_all('@(\w+)=(?:(?:")([^"]+)"|([^\s,$]+))@', $http->response['header']['WWW-Authenticate'], $matches, PREG_SET_ORDER);
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foreach ($matches as $match) {
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$authInfo[$match[1]] = $match[2];
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}
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if (!empty($authInfo['qop']) && empty($authInfo['nc'])) {
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$authInfo['nc'] = 1;
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}
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return true;
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}
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/**
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* Generate the header Authorization
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*
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* @param HttpSocket $http
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* @param array $authInfo
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* @return string
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*/
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protected static function _generateHeader(HttpSocket $http, &$authInfo) {
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$a1 = md5($authInfo['user'] . ':' . $authInfo['realm'] . ':' . $authInfo['pass']);
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$a2 = md5($http->request['method'] . ':' . $http->request['uri']['path']);
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if (empty($authInfo['qop'])) {
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$response = md5($a1 . ':' . $authInfo['nonce'] . ':' . $a2);
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} else {
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$authInfo['cnonce'] = uniqid();
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$nc = sprintf('%08x', $authInfo['nc']++);
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$response = md5($a1 . ':' . $authInfo['nonce'] . ':' . $nc . ':' . $authInfo['cnonce'] . ':auth:' . $a2);
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}
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$authHeader = 'Digest ';
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$authHeader .= 'username="' . str_replace(array('\\', '"'), array('\\\\', '\\"'), $authInfo['user']) . '", ';
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$authHeader .= 'realm="' . $authInfo['realm'] . '", ';
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$authHeader .= 'nonce="' . $authInfo['nonce'] . '", ';
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$authHeader .= 'uri="' . $http->request['uri']['path'] . '", ';
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$authHeader .= 'response="' . $response . '"';
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if (!empty($authInfo['opaque'])) {
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$authHeader .= ', opaque="' . $authInfo['opaque'] . '"';
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}
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if (!empty($authInfo['qop'])) {
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$authHeader .= ', qop="auth", nc=' . $nc . ', cnonce="' . $authInfo['cnonce'] . '"';
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}
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return $authHeader;
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}
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}
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