87 lines
1.9 KiB
PHP
87 lines
1.9 KiB
PHP
<?php
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use Friendica\Model\User;
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class Sabre_DAV_Auth_Backend_Std extends Sabre_DAV_Auth_Backend_AbstractBasic
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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 $instance = null;
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/**
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* @static
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* @return Sabre_DAV_Auth_Backend_Std
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*/
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public static function getInstance()
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{
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if (is_null(self::$instance)) {
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self::$instance = new Sabre_DAV_Auth_Backend_Std();
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}
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return self::$instance;
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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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{
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return [$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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{
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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, $realm)
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{
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$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, $password)
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{
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return User::authenticate($username, $password);
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}
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}
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