001/* 002 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.webdav.resource; 023 024import java.io.IOException; 025import java.io.UnsupportedEncodingException; 026 027import javax.servlet.http.HttpServletRequest; 028import javax.ws.rs.GET; 029import javax.ws.rs.HeaderParam; 030import javax.ws.rs.OPTIONS; 031import javax.ws.rs.Path; 032import javax.ws.rs.PathParam; 033import javax.ws.rs.Produces; 034import javax.ws.rs.WebApplicationException; 035import javax.ws.rs.core.Context; 036import javax.ws.rs.core.Response; 037import javax.ws.rs.core.UriInfo; 038import javax.xml.bind.JAXBException; 039 040import net.java.dev.webdav.jaxrs.methods.PROPFIND; 041 042import org.apache.commons.logging.Log; 043import org.apache.commons.logging.LogFactory; 044import org.nuxeo.ecm.core.api.Blob; 045import org.nuxeo.ecm.core.api.DocumentModel; 046import org.nuxeo.ecm.core.api.DocumentNotFoundException; 047import org.nuxeo.ecm.core.api.NuxeoException; 048import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 049import org.nuxeo.ecm.core.api.security.SecurityConstants; 050import org.nuxeo.ecm.webdav.backend.Backend; 051import org.nuxeo.ecm.webdav.backend.BackendHelper; 052 053//path is set at the servlet level, see the deployment-fragment file 054@Path("") 055public class RootResource { 056 057 private static final Log log = LogFactory.getLog(RootResource.class); 058 059 private HttpServletRequest request; 060 061 public RootResource(@Context HttpServletRequest request) { 062 log.debug(request.getMethod() + " " + request.getRequestURI()); 063 this.request = request; 064 } 065 066 @GET 067 @Produces("text/html") 068 public Object getRoot() { 069 Object resource = findResource(""); 070 if (resource instanceof FolderResource) { 071 return ((FolderResource) resource).get(); 072 } else { 073 return ((VirtualFolderResource) findResource("")).get(); 074 } 075 } 076 077 @OPTIONS 078 public Object getRootOptions() { 079 Object resource = findResource(""); 080 if (resource instanceof FolderResource) { 081 return ((FolderResource) resource).options(); 082 } else { 083 return ((VirtualFolderResource) findResource("")).options(); 084 } 085 } 086 087 @PROPFIND 088 public Object getRootPropfind(@Context UriInfo uriInfo, @HeaderParam("depth") String depth) throws IOException, 089 JAXBException { 090 Object resource = findResource(""); 091 if (resource instanceof FolderResource) { 092 return ((FolderResource) resource).propfind(uriInfo, depth); 093 } else { 094 return ((VirtualFolderResource) findResource("")).propfind(uriInfo, depth); 095 } 096 } 097 098 @Path("{path:.+}") 099 public Object findResource(@PathParam("path") String path) { 100 try { 101 path = new String(path.getBytes(), "UTF-8"); 102 } catch (UnsupportedEncodingException e) { 103 throw new NuxeoException(e); 104 } 105 106 Backend backend = BackendHelper.getBackend(path, request); 107 108 if (backend == null) { 109 throw new WebApplicationException(Response.Status.NOT_FOUND); 110 } 111 112 if (backend.isVirtual()) { 113 return new VirtualFolderResource(path, request, backend.getVirtualFolderNames()); 114 } 115 116 DocumentModel doc = null; 117 try { 118 doc = backend.getDocument(path); 119 } catch (DocumentNotFoundException e) { 120 log.error("Error during resolving path: " + path, e); 121 throw new WebApplicationException(Response.Status.CONFLICT); 122 } 123 124 if (doc == null) { 125 return new UnknownResource(path, request, backend); 126 } 127 128 // Send 401 error if not authorised to read. 129 if (!backend.hasPermission(doc.getRef(), SecurityConstants.READ)) { 130 throw new WebApplicationException(Response.Status.UNAUTHORIZED); 131 } 132 133 if (doc.isFolder()) { 134 return new FolderResource(getDocumentPath(doc), doc, request, backend); 135 } else { 136 return new FileResource(getDocumentPath(doc), doc, request, backend); 137 } 138 } 139 140 private String getDocumentPath(DocumentModel source) { 141 if (source.isFolder()) { 142 return source.getPathAsString(); 143 } else { 144 BlobHolder bh = source.getAdapter(BlobHolder.class); 145 if (bh != null) { 146 Blob blob = bh.getBlob(); 147 if (blob != null) { 148 return blob.getFilename(); 149 } 150 } 151 return String.valueOf(source.getPropertyValue("dc:title")); 152 } 153 } 154 155}