001/* 002 * (C) Copyright 2006-2009 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Nuxeo - initial API and implementation 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.webdav.resource; 021 022import java.io.IOException; 023import java.io.UnsupportedEncodingException; 024 025import javax.servlet.http.HttpServletRequest; 026import javax.ws.rs.GET; 027import javax.ws.rs.HeaderParam; 028import javax.ws.rs.OPTIONS; 029import javax.ws.rs.Path; 030import javax.ws.rs.PathParam; 031import javax.ws.rs.Produces; 032import javax.ws.rs.WebApplicationException; 033import javax.ws.rs.core.Context; 034import javax.ws.rs.core.Response; 035import javax.ws.rs.core.UriInfo; 036import javax.xml.bind.JAXBException; 037 038import net.java.dev.webdav.jaxrs.methods.PROPFIND; 039 040import org.apache.commons.logging.Log; 041import org.apache.commons.logging.LogFactory; 042import org.nuxeo.ecm.core.api.Blob; 043import org.nuxeo.ecm.core.api.DocumentModel; 044import org.nuxeo.ecm.core.api.DocumentNotFoundException; 045import org.nuxeo.ecm.core.api.NuxeoException; 046import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 047import org.nuxeo.ecm.core.api.security.SecurityConstants; 048import org.nuxeo.ecm.webdav.backend.Backend; 049import org.nuxeo.ecm.webdav.backend.BackendHelper; 050 051//path is set at the servlet level, see the deployment-fragment file 052@Path("") 053public class RootResource { 054 055 private static final Log log = LogFactory.getLog(RootResource.class); 056 057 private HttpServletRequest request; 058 059 public RootResource(@Context HttpServletRequest request) { 060 log.debug(request.getMethod() + " " + request.getRequestURI()); 061 this.request = request; 062 } 063 064 @GET 065 @Produces("text/html") 066 public Object getRoot() { 067 Object resource = findResource(""); 068 if (resource instanceof FolderResource) { 069 return ((FolderResource) resource).get(); 070 } else { 071 return ((VirtualFolderResource) findResource("")).get(); 072 } 073 } 074 075 @OPTIONS 076 public Object getRootOptions() { 077 Object resource = findResource(""); 078 if (resource instanceof FolderResource) { 079 return ((FolderResource) resource).options(); 080 } else { 081 return ((VirtualFolderResource) findResource("")).options(); 082 } 083 } 084 085 @PROPFIND 086 public Object getRootPropfind(@Context UriInfo uriInfo, @HeaderParam("depth") String depth) throws IOException, 087 JAXBException { 088 Object resource = findResource(""); 089 if (resource instanceof FolderResource) { 090 return ((FolderResource) resource).propfind(uriInfo, depth); 091 } else { 092 return ((VirtualFolderResource) findResource("")).propfind(uriInfo, depth); 093 } 094 } 095 096 @Path("{path:.+}") 097 public Object findResource(@PathParam("path") String path) { 098 try { 099 path = new String(path.getBytes(), "UTF-8"); 100 } catch (UnsupportedEncodingException e) { 101 throw new NuxeoException(e); 102 } 103 104 Backend backend = BackendHelper.getBackend(path, request); 105 106 if (backend == null) { 107 throw new WebApplicationException(Response.Status.NOT_FOUND); 108 } 109 110 if (backend.isVirtual()) { 111 return new VirtualFolderResource(path, request, backend.getVirtualFolderNames()); 112 } 113 114 DocumentModel doc = null; 115 try { 116 doc = backend.getDocument(path); 117 } catch (DocumentNotFoundException e) { 118 log.error("Error during resolving path: " + path, e); 119 throw new WebApplicationException(Response.Status.CONFLICT); 120 } 121 122 if (doc == null) { 123 return new UnknownResource(path, request, backend); 124 } 125 126 // Send 401 error if not authorised to read. 127 if (!backend.hasPermission(doc.getRef(), SecurityConstants.READ)) { 128 throw new WebApplicationException(Response.Status.UNAUTHORIZED); 129 } 130 131 if (doc.isFolder()) { 132 return new FolderResource(getDocumentPath(doc), doc, request, backend); 133 } else { 134 return new FileResource(getDocumentPath(doc), doc, request, backend); 135 } 136 } 137 138 private String getDocumentPath(DocumentModel source) { 139 if (source.isFolder()) { 140 return source.getPathAsString(); 141 } else { 142 BlobHolder bh = source.getAdapter(BlobHolder.class); 143 if (bh != null) { 144 Blob blob = bh.getBlob(); 145 if (blob != null) { 146 return blob.getFilename(); 147 } 148 } 149 return String.valueOf(source.getPropertyValue("dc:title")); 150 } 151 } 152 153}