openrat-cms

commit 9e3c2fa53d4ec4c72580f1896c434009364e1972
parent 63fec300ce3a9aae82a3b87a087cc804c49cb4aa
Author: dankert <devnull@localhost>
Date:   Mon, 26 Feb 2007 23:05:57 +0100

Lesender Zugriff ?ber WebDAV-Protokoll (ALPHA, do not use)

Diffstat:
actionClasses/WebdavAction.class.php
 | 
458
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
actionClasses/WebdavAction.ini.php
 | 
21
+++++++++++++++++++++
webdav.php
 | 
9
+++++++++

3 files changed, 488 insertions(+), 0 deletions(-)
diff --git a/actionClasses/WebdavAction.class.php b/actionClasses/WebdavAction.class.php
@@ -0,0 +1,457 @@
+<?php
+
+
+/**
+ * Action-Klasse fuer WEBDAV.
+ * 
+ * WebDAV ist spezifiziert in der RFC 2518.
+ * Geplant wird: DAV-Level 1 (wenn fertig).
+ * Aktuell wird eine Nur-Lese-Modus implementiert, Schreiben folgt später.
+ * 
+ * @author $Author$
+ * @version $Revision$
+ * @package openrat.actions
+ */
+
+class WebdavAction extends Action
+{
+	var $defaultSubAction = 'show';
+	var $database;
+	var $depth;
+	var $project;
+	var $folder;
+	var $filename;
+	var $pathnames = array();
+	var $uri;
+	var $isFolder;
+	var $isFile;
+	var $headers;
+	var $requestType;
+	var $fullSkriptName;
+
+	function WebdavAction()
+	{
+		// Nicht notwendig, da wir den Error-Handler umbiegen:
+		// error_reporting(0); // PHP-Fehlermeldungen zerstören XML-Dokument, daher ausschalten.
+//				phpinfo();
+		
+		// PHP-Fehler ins Log schreiben, damit die Ausgabe nicht zerstört wird.
+		set_error_handler('webdavErrorHandler');
+		
+		header('MS-Author-Via: DAV'           ); // Extrawurst fuer MS-Clients.
+		header('X-Dav-powered-by: OpenRat CMS'); // Bandbreite verschwenden :)
+		Logger::debug( 'WEBDAV: Method '.$this->subActionName);
+		
+		$this->headers = getallheaders();
+
+		$user = $this->getUserFromSession();
+		if	( !is_object($user))
+		{
+			if	( !is_object(Session::getDatabase()) )
+				$this->setDefaultDb();
+				
+			$ok = false;
+			if	( isset($_SERVER['PHP_AUTH_USER']) )
+			{
+				$user = new User();
+				$user->name = $_SERVER['PHP_AUTH_USER'];
+				
+				$ok = $user->checkPassword( $_SERVER['PHP_AUTH_PW'] );
+				
+				if	( $ok )
+					$user->setCurrent();
+			}
+			
+			if	( !$ok )
+			{
+				header('WWW-Authenticate: Basic realm="OpenRat"');
+				$this->httpStatus('401 Unauthorized');
+				exit;
+			}
+		}
+		
+		
+		$this->fullSkriptName = 'http://'.$_SERVER['HTTP_HOST'].'/'.$_SERVER['SCRIPT_NAME'].'/';	
+
+		$uri = '/1/2'.substr($_SERVER['REQUEST_URI'],strlen($_SERVER['SCRIPT_NAME']));
+		
+		Logger::debug( 'WEBDAV: URI '.$uri);
+		$uriParts = explode('/',dirname($uri).'/'.basename($uri) );
+		$this->filename = basename($uri);
+		$i=0;
+//		Html::debug($uriParts,'Parts');
+		foreach( $uriParts as $nr=>$uriPart )
+		{
+			switch( $nr )
+			{
+				case 0:
+				case 1:
+					break;
+
+				case 2:
+					// URI='/'
+					// Keine weiteren URL-Bestandteile, also Projektliste laden.
+					$this->requestType = 'projectlist';
+					break;
+				case 3:
+					// URI='/project/'
+					// Name des Projektes in der URL, es wird das Projekt geladen.
+					$this->requestType = 'object';
+					
+					$this->project = new Project();
+					$this->project->name = $uriPart;
+					Logger::warn($this->project->name);
+					$this->project->loadByName();
+					
+					$oid = $this->project->getRootObjectId();
+					$this->folder = new Folder($oid);
+				
+					$this->fullSkriptName .= $uriPart.'/';	
+
+					break;
+
+				default:
+					// URI='/project/a'
+					// URI='/project/a/'
+					
+					$oid = $this->folder->getObjectIdByFileName($uriPart);
+					$this->folder = new Folder($oid);
+
+					$this->fullSkriptName .= $uriPart.'/';	
+					
+					break;
+			}
+		}
+		
+		$this->fullSkriptName .= $this->filename;	
+		
+//		Html::debug($this);
+		
+		foreach(getallheaders() as $k=>$v)
+			Logger::debug( 'WEBDAV: REQ_HEADER_'.$k.'='.$v);
+
+		$this->request  = implode('',file('php://input')); 
+		Logger::debug( 'WEBDAV: REQ_BODY='.$this->request);
+		
+		Logger::debug('E super');
+	}
+	
+	
+	
+	function setDefaultDb()
+	{
+		global $conf;
+
+		if	( !isset($conf['database']['default']) )
+			die('default-database not set');
+
+		$dbid = $conf['database']['default'];
+
+		$db = new DB( $conf['database'][$dbid] );
+		$db->id = $dbid;
+		Session::setDatabase( $db );
+	}
+	
+	
+	
+	function options()
+	{
+		header('DAV: 1');
+		header('Allow: GET,PUT,PROPFIND');
+
+		$this->httpStatus( '200 OK' );
+		exit();
+	}
+	
+	
+	
+	function httpStatus( $status = true )
+	{
+		if	( $status === true )
+			$status = '200 OK';
+			
+		header('HTTP/1.1 '.$status);
+		header('X-WebDAV-Status: '.$status,true);
+	}
+	
+	
+	
+	function get()
+	{
+		if	( $this->isFolder )
+			$this->getDirectory();
+			
+		$this->httpStatus( '200 OK' );
+		
+		// Verzeichnis ausgeben
+		header('Content-Type: text/html');
+		echo '<html><head><title>OpenRat WEBDAV Access</title></head>';
+		echo '<body>';
+		echo '<h1>OpenRat WEBDAV Access</h1>';
+		echo '<pre>';
+//		echo 'Testseite: '.$this->uri;
+//		echo 'Pathname: '.$this->pathname;
+//		echo 'Filename: '.$this->filename;
+		echo '</pre>';
+		echo '</body>';
+		echo '</html>';
+		
+		exit;
+	}
+	
+	
+	
+	function getDirectory()
+	{
+		$this->httpStatus( '200 OK' );
+		
+		// Verzeichnis ausgeben
+		header('Content-Type: text/html');
+		echo '<html><head><title>OpenRat directory content</title></head>';
+		echo '<body>';
+		echo '<pre>';
+		echo '<a href="../">..</a>';
+		echo '</pre>';
+		echo '</body>';
+		echo '</html>';
+		
+		exit;
+		
+		
+		
+		/*
+		die('GET not implemented');
+		global $conf;
+		global $PHP_AUTH_USER;
+		global $PHP_AUTH_PW;
+
+		$user = Session::getUser();
+
+		// Seite ändert sich nur 1x pro Session
+		$this->lastModified( $user->loginDate );
+
+		$this->setTemplateVar( 'stylesheet',$user->style );
+		$this->setTemplateVar( 'css_body_class','background' );
+
+		$this->maxAge( 4*60*60 ); // 1 Stunde Browsercache
+     		
+		$this->forward( 'border' );
+		*/
+	}
+	
+	
+	
+	function lock()
+	{
+//		$this->httpStatus('405 Not Allowed, LOCK not implemented');
+		$this->httpStatus('412 Precondition failed');
+		$this->options();
+		exit;
+	}
+
+
+		
+	function unlock()
+	{
+//		$this->httpStatus('405 Not Allowed, UNLOCK not implemented');
+		$this->httpStatus('412 Precondition failed');
+		$this->options();
+		exit;
+	}
+
+
+		
+	function mkcol()
+	{
+		$this->httpStatus('405 Not Allowed, Not implemented');
+		exit;
+	}
+
+
+		
+	function delete()
+	{
+		$this->httpStatus('405 Not Allowed, Not implemented');
+		exit;
+	}
+
+
+		
+	function copy()
+	{
+		$this->httpStatus('405 Not Allowed, Not implemented');
+		exit;
+	}
+
+
+		
+	function move()
+	{
+		$this->httpStatus('405 Not Allowed, Not implemented');
+		exit;
+	}
+
+
+		
+	function put()
+	{
+		$this->httpStatus('405 Not Allowed, PUT not implemented');
+		exit;
+		
+		global $conf;
+		global $PHP_AUTH_USER;
+		global $PHP_AUTH_PW;
+
+		$user = Session::getUser();
+
+		// Seite ändert sich nur 1x pro Session
+		$this->lastModified( $user->loginDate );
+
+		$this->setTemplateVar( 'stylesheet',$user->style );
+		$this->setTemplateVar( 'css_body_class','background' );
+
+		$this->maxAge( 4*60*60 ); // 1 Stunde Browsercache
+     		
+		$this->forward( 'border' );
+	}
+	
+	
+	
+	function propfind()
+	{
+		Logger::debug( 'WEBDAV: PROPFIND');
+		
+		switch( $this->requestType )
+		{
+			case 'projectlist':
+				$projects = array();
+				foreach( Project::getAll() as $projectName )
+					$projects[] = $this->fullSkriptName.'/'.$projectName;
+					
+				$this->multiStatus( $projects );
+				break;
+
+			case 'object':
+			
+//				$o = ObjectFactory::create($this->folder->objectid);
+//
+//				if	( $o->isFolder )
+//				{
+					$objects = $this->folder->getObjects();
+					$inhalte = array();
+					foreach( $objects as $object  )
+						$inhalte[] = $this->fullScriptName.'/'.$object->filename.'/';
+						
+					$this->multiStatus( $inhalte );
+//				}
+//				else
+//				{
+//					$this->multiStatus( array($o->filename) );
+//				}
+				break;
+				
+			default:
+				die('???:'.$this->requestType);
+		}
+	}
+	
+	
+	function proppatch()
+	{
+		
+		Logger::debug( 'WEBDAV: PROPPATCH');
+		
+		$this->httpStatus('405 Not Allowed, Not implemented');
+		exit;
+	}
+	
+	
+	function multiStatus( $files )
+	{
+		$this->httpStatus('207 Multi-Status');
+		header('Content-Type: text/xml; charset=utf-8');
+		
+		$response = '';
+		$response .= '<?xml version="1.0" encoding="utf-8" ?>';
+		$response .= '<d:multistatus xmlns:d="DAV:">';
+
+		foreach( $files as $file )
+			$response .= $this->getResponse( $file,array() );
+		
+		$response .= '</d:multistatus>';
+		Logger::debug('PROPFIND-Ausgabe: '.$response);
+
+		$response = utf8_encode($response);
+
+		header('Content-Length: '.strlen($response));
+		echo $response;
+	}
+	
+	
+	function getResponse( $file,$options )
+	{
+		$response = '';
+		$response .= '<d:response>';
+		$response .= '<d:href>'.$file.'</d:href>';
+		$response .= '<d:propstat>';
+		$response .= '<d:prop>';
+//		$response .= '<d:source></d:source>';
+		$response .= '<d:creationdate>1997-12-01T17:42:21-08:00</d:creationdate>';
+		$response .= '<d:getlastmodified>1997-12-01T17:42:21-08:00</d:getlastmodified>';
+		$response .= '<d:displayname>Dumpfbacke/</d:displayname>';
+		
+		$response .= '
+		<d:creationdate>2003-03-16T19:28:51Z</d:creationdate>
+		<d:displayname>Default</d:displayname><d:getcontentlength>9841152</d:getcontentlength>
+		<d:getlastmodified xmlns:b="urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/" b:dt="dateTime.rfc1123">Sun, 16 Mar 2003 19:28:51 GMT</d:getlastmodified>
+		<d:resourcetype><d:collection/></d:resourcetype><d:categories></d:categories><d:fields></d:fields>';
+		
+		
+		
+//		$response .= '<d:getcontenttype>text/html</d:getcontenttype>';
+//		$response .= '<d:getcontentlength />';
+//		$response .= '<d:getcontentlanguage />';
+//		$response .= '<d:executable />';
+//		$response .= '<d:resourcetype>';
+//		$response .= '<d:collection />';
+//		$response .= '</d:resourcetype>';
+//		$response .= '<d:getetag />';
+
+/*
+		$response .= '<d:supportedlock>
+ 
+<d:lockentry>
+ 
+<d:lockscope><d:exclusive/></d:lockscope>
+ 
+<d:locktype><d:write/></d:locktype>
+ 
+</d:lockentry>
+ 
+<d:lockentry>
+ 
+<d:lockscope><d:shared/></d:lockscope>
+ 
+<d:locktype><d:write/></d:locktype>
+ 
+</d:lockentry>
+ 
+</d:supportedlock>';
+*/
+		$response .= '</d:prop>';
+		$response .= '<d:status>HTTP/1.1 200 OK</d:status>';
+		$response .= '</d:propstat>';
+		$response .= '</d:response>';
+
+		return $response;		
+	}
+}
+
+
+
+function webdavErrorHandler($errno, $errstr, $errfile, $errline) 
+{
+	Logger::warn($errno.'/'.$errstr.'/file:'.$errfile.'/line:'.$errline);
+}
+
+?>+
\ No newline at end of file
diff --git a/actionClasses/WebdavAction.ini.php b/actionClasses/WebdavAction.ini.php
@@ -0,0 +1,21 @@
+
+[default]
+goto=get
+
+[get]
+
+[put]
+
+[mkcol]
+
+[delete]
+
+[copy]
+
+[move]
+
+[options]
+
+[propfind]
+
+[proppatch]
diff --git a/webdav.php b/webdav.php
@@ -0,0 +1,8 @@
+<?php
+
+$_GET['action']    = 'webdav';
+$_GET['subaction'] = strtolower($_SERVER['REQUEST_METHOD']);
+
+require( 'do.php' );
+
+?>+
\ No newline at end of file