deprecated-addons/dav/friendica/dav_friendica_auth.inc.php

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<?php
use Friendica\Model\User;
class Sabre_DAV_Auth_Backend_Std extends Sabre_DAV_Auth_Backend_AbstractBasic
{
/**
* @var Sabre_DAV_Auth_Backend_Std|null
*/
private static $instance = null;
/**
* @static
* @return Sabre_DAV_Auth_Backend_Std
*/
public static function getInstance()
{
if (is_null(self::$instance)) {
self::$instance = new Sabre_DAV_Auth_Backend_Std();
}
return self::$instance;
}
/**
* @return array
*/
public function getUsers()
{
return [$this->currentUser];
}
/**
* @return null|string
*/
public function getCurrentUser()
{
return $this->currentUser;
}
/**
* Authenticates the user based on the current request.
*
* If authentication is successful, true must be returned.
* If authentication fails, an exception must be thrown.
*
* @param Sabre_DAV_Server $server
* @param string $realm
* @throws Sabre_DAV_Exception_NotAuthenticated
* @return bool
*/
public function authenticate(Sabre_DAV_Server $server, $realm)
{
$a = get_app();
if (isset($a->user["uid"])) {
$this->currentUser = strtolower($a->user["nickname"]);
return true;
}
$auth = new Sabre_HTTP_BasicAuth();
$auth->setHTTPRequest($server->httpRequest);
$auth->setHTTPResponse($server->httpResponse);
$auth->setRealm($realm);
$userpass = $auth->getUserPass();
if (!$userpass) {
$auth->requireLogin();
throw new Sabre_DAV_Exception_NotAuthenticated('No basic authentication headers were found');
}
// Authenticates the user
if (!$this->validateUserPass($userpass[0], $userpass[1])) {
$auth->requireLogin();
throw new Sabre_DAV_Exception_NotAuthenticated('Username or password does not match');
}
$this->currentUser = strtolower($userpass[0]);
return true;
}
/**
* @param string $username
* @param string $password
* @return bool
*/
protected function validateUserPass($username, $password)
{
return User::authenticate($username, $password);
}
}