Version 3.2.3

upload/ips_kernel/sabre/Sabre/DAV/Auth/Backend/AbstractBasic.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * HTTP Basic authentication backend class
+ *
+ * This class can be used by authentication objects wishing to use HTTP Basic
+ * Most of the digest logic is handled, implementors just need to worry about
+ * the authenticateInternal and getUserInfo methods
+ *
+ * @package Sabre
+ * @subpackage DAV
+ * @copyright Copyright (C) 2007-2010 Rooftop Solutions. All rights reserved.
+ * @author James David Low (http://jameslow.com/)
+ * @author Evert Pot (http://www.rooftopsolutions.nl/) 
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+abstract class Sabre_DAV_Auth_Backend_AbstractBasic extends Sabre_DAV_Auth_Backend_Abstract {
+
+    /**
+     * This variable holds information about the currently
+     * logged in user.
+     *
+     * @var array|null
+     */
+    protected $currentUser;
+
+    /**
+     * Validates a username and password
+     *
+     * If the username and password were correct, this method must return
+     * an array with at least a 'uri' key.  
+     *
+     * If the credentials are incorrect, this method must return false.
+     *
+     * @return bool|array
+     */
+    abstract protected function validateUserPass($username, $password);
+
+    /**
+     * Returns information about the currently logged in user.
+     *
+     * If nobody is currently logged in, this method should return null.
+     *
+     * @return array|null
+     */
+    public function getCurrentUser() {
+        return $this->currentUser;
+    }
+
+
+    /**
+     * Authenticates the user based on the current request.
+     *
+     * If authentication is succesful, true must be returned.
+     * If authentication fails, an exception must be thrown.
+     *
+     * @throws Sabre_DAV_Exception_NotAuthenticated
+     * @return bool
+     */
+    public function authenticate(Sabre_DAV_Server $server,$realm) {
+
+        $auth = new Sabre_HTTP_BasicAuth();
+        $auth->setHTTPRequest($server->httpRequest);
+        $auth->setHTTPResponse($server->httpResponse);
+        $auth->setRealm($realm);
+        $userpass = $auth->getUserPass();
+        if (!$userpass) {
+            $auth->requireLogin();
+            throw new Sabre_DAV_Exception_NotAuthenticated('No basic authentication headers were found');
+        }
+
+        // Authenticates the user
+        if (!($userData = $this->validateUserPass($userpass[0],$userpass[1]))) {
+            $auth->requireLogin();
+            throw new Sabre_DAV_Exception_NotAuthenticated('Username or password does not match');
+        }
+        if (!isset($userData['uri'])) {
+            throw new Sabre_DAV_Exception('The returned array from validateUserPass must contain at a uri element');
+        }
+        $this->currentUser = $userData;
+        return true;
+    }
+
+
+} 
+