class.ilWebDAVRequestHandler.php

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<?php
 
use function Sabre\HTTP\decodePath;
use Sabre\DAV\Exception\BadRequest;
 
require_once 'libs/composer/vendor/autoload.php';
 
// Include all needed classes for a webdav-request
include_once "Services/WebDAV/classes/auth/class.ilWebDAVAuthentication.php";
include_once "Services/WebDAV/classes/db/class.ilWebDAVDBManager.php";
include_once "Services/WebDAV/classes/class.ilWebDAVObjDAVHelper.php";
include_once "Services/WebDAV/classes/class.ilWebDAVRepositoryHelper.php";
include_once "Services/WebDAV/classes/browser/class.ilWebDAVSabreBrowserPlugin.php";
include_once "Services/WebDAV/classes/dav/class.ilObjectDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilObjContainerDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilObjFileDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilObjCategoryDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilObjCourseDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilObjGroupDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilObjFolderDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilMountPointDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilClientNodeDAV.php";
include_once "Services/WebDAV/classes/dav/class.ilObjRepositoryRootDAV.php";
 
class ilWebDAVRequestHandler
{
    private static $instance;
    
    public static function getInstance()
    {
        return self::$instance ? self::$instance : self::$instance = new ilWebDAVRequestHandler();
    }
 
    public function handleRequest()
    {
        $this->runWebDAVServer();
    }
 
    protected function runWebDAVServer()
    {
        $server = new Sabre\DAV\Server($this->getRootDir());
        $this->setPlugins($server);
        $server->exec();
    }
    
    
    protected function setPlugins($server)
    {
        global $DIC;
 
        // Set authentication plugin
        $webdav_auth = new ilWebDAVAuthentication();
        $cal = new Sabre\DAV\Auth\Backend\BasicCallBack(array($webdav_auth, 'authenticate'));
        $plugin = new Sabre\DAV\Auth\Plugin($cal);
        $server->addPlugin($plugin);
 
        // Set Lock Plugin
        $db_manager = new ilWebDAVDBManager($DIC->database());
        $lock_backend = new ilWebDAVLockBackend($db_manager);
        $lock_plugin = new Sabre\DAV\Locks\Plugin($lock_backend);
        $server->addPlugin($lock_plugin);
 
        /* Set Browser Plugin
         * This plugin is used to redirect GET-Requests from browsers on collections to the mount instruction page */
        $browser_plugin = new ilWebDAVSabreBrowserPlugin($DIC->ctrl());
        $server->addPlugin($browser_plugin);
    }
    
    protected function getRootDir()
    {
        global $DIC;
 
        $repo_helper = new ilWebDAVRepositoryHelper($DIC->access(), $DIC->repositoryTree());
        $dav_helper = new ilWebDAVObjDAVHelper($repo_helper);
        return new ilMountPointDAV($repo_helper, $dav_helper);
    }
}