mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-22 09:53:39 +00:00
93 lines
2.2 KiB
PHP
93 lines
2.2 KiB
PHP
<?php
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class Sabre_DAV_Auth_Backend_Std extends Sabre_DAV_Auth_Backend_AbstractBasic {
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public function __construct() {
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}
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/**
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* @var Sabre_DAV_Auth_Backend_Std|null
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*/
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private static $intstance = null;
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/**
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* @static
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* @return Sabre_DAV_Auth_Backend_Std
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*/
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public static function &getInstance() {
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if (is_null(self::$intstance)) {
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self::$intstance = new Sabre_DAV_Auth_Backend_Std();
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}
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return self::$intstance;
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}
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/**
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* @return array
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*/
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public function getUsers() {
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return array($this->currentUser);
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}
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/**
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* @return null|string
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*/
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public function getCurrentUser() {
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return $this->currentUser;
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}
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/**
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* Authenticates the user based on the current request.
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*
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* If authentication is successful, true must be returned.
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* If authentication fails, an exception must be thrown.
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*
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* @param Sabre_DAV_Server $server
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* @param string $realm
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* @throws Sabre_DAV_Exception_NotAuthenticated
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* @return bool
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*/
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public function authenticate(Sabre_DAV_Server $server, $realm) {
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$a = get_app();
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if (isset($a->user["uid"])) {
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$this->currentUser = strtolower($a->user["nickname"]);
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return true;
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}
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$auth = new Sabre_HTTP_BasicAuth();
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$auth->setHTTPRequest($server->httpRequest);
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$auth->setHTTPResponse($server->httpResponse);
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$auth->setRealm($realm);
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$userpass = $auth->getUserPass();
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if (!$userpass) {
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$auth->requireLogin();
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throw new Sabre_DAV_Exception_NotAuthenticated('No basic authentication headers were found');
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}
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// Authenticates the user
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if (!$this->validateUserPass($userpass[0],$userpass[1])) {
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$auth->requireLogin();
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throw new Sabre_DAV_Exception_NotAuthenticated('Username or password does not match');
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}
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$this->currentUser = strtolower($userpass[0]);
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return true;
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}
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/**
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* @param string $username
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* @param string $password
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* @return bool
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*/
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protected function validateUserPass($username, $password) {
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$encrypted = hash('whirlpool',trim($password));
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$r = q("SELECT COUNT(*) anz FROM `user` WHERE `nickname` = '%s' AND `password` = '%s' AND `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
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dbesc(trim($username)),
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dbesc($encrypted)
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);
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return ($r[0]["anz"] == 1);
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}
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}
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