AbstractBasic.php

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<?php
 
namespace Sabre\DAV\Auth\Backend;
 
use Sabre\DAV;
use Sabre\HTTP;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
 
abstract class AbstractBasic implements BackendInterface {
 
    protected $realm = 'sabre/dav';
 
    protected $principalPrefix = 'principals/';
 
    abstract protected function validateUserPass($username, $password);
 
    function setRealm($realm) {
 
        $this->realm = $realm;
 
    }
 
    function check(RequestInterface $request, ResponseInterface $response) {
 
        $auth = new HTTP\Auth\Basic(
            $this->realm,
            $request,
            $response
        );
 
        $userpass = $auth->getCredentials();
        if (!$userpass) {
            return [false, "No 'Authorization: Basic' header found. Either the client didn't send one, or the server is misconfigured"];
        }
        if (!$this->validateUserPass($userpass[0], $userpass[1])) {
            return [false, "Username or password was incorrect"];
        }
        return [true, $this->principalPrefix . $userpass[0]];
 
    }
 
    function challenge(RequestInterface $request, ResponseInterface $response) {
 
        $auth = new HTTP\Auth\Basic(
            $this->realm,
            $request,
            $response
        );
        $auth->requireLogin();
 
    }
 
}