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; 026import java.net.URISyntaxException; 027 028import javax.servlet.http.HttpServletRequest; 029import javax.ws.rs.GET; 030import javax.ws.rs.HeaderParam; 031import javax.ws.rs.OPTIONS; 032import javax.ws.rs.Path; 033import javax.ws.rs.PathParam; 034import javax.ws.rs.Produces; 035import javax.ws.rs.WebApplicationException; 036import javax.ws.rs.core.Context; 037import javax.ws.rs.core.Response; 038import javax.ws.rs.core.UriInfo; 039import javax.xml.bind.JAXBException; 040 041import net.java.dev.webdav.jaxrs.methods.PROPFIND; 042 043import org.apache.commons.logging.Log; 044import org.apache.commons.logging.LogFactory; 045import org.nuxeo.ecm.core.api.Blob; 046import org.nuxeo.ecm.core.api.DocumentModel; 047import org.nuxeo.ecm.core.api.DocumentNotFoundException; 048import org.nuxeo.ecm.core.api.NuxeoException; 049import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 050import org.nuxeo.ecm.core.api.security.SecurityConstants; 051import org.nuxeo.ecm.webdav.backend.Backend; 052import org.nuxeo.ecm.webdav.backend.BackendHelper; 053 054//path is set at the servlet level, see the deployment-fragment file 055@Path("") 056public class RootResource { 057 058 private static final Log log = LogFactory.getLog(RootResource.class); 059 060 private HttpServletRequest request; 061 062 public RootResource(@Context HttpServletRequest request) { 063 log.debug(request.getMethod() + " " + request.getRequestURI()); 064 this.request = request; 065 } 066 067 @GET 068 @Produces("text/html") 069 public Object getRoot() { 070 Object resource = findResource(""); 071 if (resource instanceof FolderResource) { 072 return ((FolderResource) resource).get(); 073 } else { 074 return ((VirtualFolderResource) findResource("")).get(); 075 } 076 } 077 078 @OPTIONS 079 public Object getRootOptions() { 080 Object resource = findResource(""); 081 if (resource instanceof FolderResource) { 082 return ((FolderResource) resource).options(); 083 } else { 084 return ((VirtualFolderResource) findResource("")).options(); 085 } 086 } 087 088 @PROPFIND 089 public Object getRootPropfind(@Context UriInfo uriInfo, @HeaderParam("depth") String depth) 090 throws IOException, JAXBException, URISyntaxException { 091 Object resource = findResource(""); 092 if (resource instanceof FolderResource) { 093 return ((FolderResource) resource).propfind(uriInfo, depth); 094 } else { 095 return ((VirtualFolderResource) findResource("")).propfind(uriInfo, depth); 096 } 097 } 098 099 @Path("{path:.+}") 100 public Object findResource(@PathParam("path") String path) { 101 try { 102 path = new String(path.getBytes(), "UTF-8"); 103 } catch (UnsupportedEncodingException e) { 104 throw new NuxeoException(e); 105 } 106 107 Backend backend = BackendHelper.getBackend(path, request); 108 109 if (backend == null) { 110 throw new WebApplicationException(Response.Status.NOT_FOUND); 111 } 112 113 if (backend.isVirtual()) { 114 return new VirtualFolderResource(path, request, backend.getVirtualFolderNames()); 115 } 116 117 DocumentModel doc = null; 118 try { 119 doc = backend.getDocument(path); 120 } catch (DocumentNotFoundException e) { 121 log.error("Error during resolving path: " + path, e); 122 throw new WebApplicationException(Response.Status.CONFLICT); 123 } 124 125 if (doc == null) { 126 return new UnknownResource(path, request, backend); 127 } 128 129 // Send 401 error if not authorised to read. 130 if (!backend.hasPermission(doc.getRef(), SecurityConstants.READ)) { 131 throw new WebApplicationException(Response.Status.UNAUTHORIZED); 132 } 133 134 if (doc.isFolder()) { 135 return new FolderResource(getDocumentPath(doc), doc, request, backend); 136 } else { 137 return new FileResource(getDocumentPath(doc), doc, request, backend); 138 } 139 } 140 141 private String getDocumentPath(DocumentModel source) { 142 if (source.isFolder()) { 143 return source.getPathAsString(); 144 } else { 145 BlobHolder bh = source.getAdapter(BlobHolder.class); 146 if (bh != null) { 147 Blob blob = bh.getBlob(); 148 if (blob != null) { 149 return blob.getFilename(); 150 } 151 } 152 return String.valueOf(source.getPropertyValue("dc:title")); 153 } 154 } 155 156}