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1   /**
2    * This file Copyright (c) 2012-2017 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.rest.service.property.v1;
35  
36  import info.magnolia.cms.util.ExclusiveWrite;
37  import info.magnolia.cms.util.PathUtil;
38  import info.magnolia.context.MgnlContext;
39  import info.magnolia.rest.AbstractEndpoint;
40  import info.magnolia.rest.service.node.v1.RepositoryMarshaller;
41  import info.magnolia.rest.service.node.v1.RepositoryProperty;
42  import info.magnolia.rest.service.property.definition.PropertyEndpointDefinition;
43  
44  import java.util.List;
45  
46  import javax.inject.Inject;
47  import javax.jcr.Node;
48  import javax.jcr.Property;
49  import javax.jcr.PropertyType;
50  import javax.jcr.RepositoryException;
51  import javax.jcr.Session;
52  import javax.ws.rs.DELETE;
53  import javax.ws.rs.DefaultValue;
54  import javax.ws.rs.GET;
55  import javax.ws.rs.POST;
56  import javax.ws.rs.PUT;
57  import javax.ws.rs.Path;
58  import javax.ws.rs.PathParam;
59  import javax.ws.rs.Produces;
60  import javax.ws.rs.QueryParam;
61  import javax.ws.rs.core.MediaType;
62  import javax.ws.rs.core.Response;
63  
64  import org.apache.commons.lang3.StringUtils;
65  import org.slf4j.Logger;
66  import org.slf4j.LoggerFactory;
67  
68  import io.swagger.annotations.Api;
69  import io.swagger.annotations.ApiOperation;
70  import io.swagger.annotations.ApiResponse;
71  import io.swagger.annotations.ApiResponses;
72  
73  
74  /**
75   * Endpoint for accessing and manipulating properties.
76   *
77   * @param <D> The endpoint definition
78   */
79  @Api(value = "/properties/v1", description = "The properties API")
80  @Path("/properties/v1")
81  public class PropertyEndpoint<D extends PropertyEndpointDefinition> extends AbstractEndpoint<D> {
82  
83      private static final String STATUS_MESSAGE_OK = "OK";
84      private static final String STATUS_MESSAGE_PROPERTY_ALREADY_EXISTS = "Property already exists";
85      private static final String STATUS_MESSAGE_UNAUTHORIZED = "Unauthorized";
86      private static final String STATUS_MESSAGE_ACCESS_DENIED = "Access denied";
87      private static final String STATUS_MESSAGE_NODE_NOT_FOUND = "Node not found";
88      private static final String STATUS_MESSAGE_PROPERTY_NOT_FOUND = "Property not found";
89      private static final String STATUS_MESSAGE_ERROR_OCCURRED = "Error occurred";
90  
91      private final Logger log = LoggerFactory.getLogger(getClass());
92  
93      private RepositoryMarshaller marshaller = new RepositoryMarshaller();
94  
95      @Inject
96      public PropertyEndpoint(final D endpointDefinition) {
97          super(endpointDefinition);
98      }
99  
100     /**
101      * Returns the string representation of a property's value.
102      */
103     @GET
104     @Path("/{workspace}{path:(/.+)?}")
105     @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
106     @ApiOperation(value = "Get a property from a node", notes = "Reads a property from a node")
107     @ApiResponses(value = {
108             @ApiResponse(code = 200, message = STATUS_MESSAGE_OK, response = RepositoryProperty.class),
109             @ApiResponse(code = 401, message = STATUS_MESSAGE_UNAUTHORIZED),
110             @ApiResponse(code = 404, message = STATUS_MESSAGE_PROPERTY_NOT_FOUND),
111             @ApiResponse(code = 500, message = STATUS_MESSAGE_ERROR_OCCURRED)
112     })
113     public Response readProperty(
114             @PathParam("workspace") String workspaceName,
115             @PathParam("path") @DefaultValue("/") String path) throws RepositoryException {
116 
117         final String absPath = StringUtils.defaultIfEmpty(path, "/");
118 
119         final Session session = MgnlContext.getJCRSession(workspaceName);
120 
121         if (!session.propertyExists(absPath)) {
122             return Response.status(Response.Status.NOT_FOUND).build();
123         }
124 
125         final Property property = session.getProperty(absPath);
126 
127         RepositoryProperty response = marshaller.marshallProperty(property);
128 
129         log.debug("Returned property [{}]", property.getParent().getPath());
130 
131         return Response.ok().entity(response).build();
132     }
133 
134     /**
135      * Adds a property to a node.
136      */
137     @PUT
138     @Path("/{workspace}{path:(/.+)?}")
139     @ApiOperation(value = "Add property on a node", notes = "Adds a property on a node")
140     @ApiResponses(value = {
141             @ApiResponse(code = 200, message = STATUS_MESSAGE_OK),
142             @ApiResponse(code = 400, message = STATUS_MESSAGE_PROPERTY_ALREADY_EXISTS),
143             @ApiResponse(code = 401, message = STATUS_MESSAGE_UNAUTHORIZED),
144             @ApiResponse(code = 403, message = STATUS_MESSAGE_ACCESS_DENIED),
145             @ApiResponse(code = 404, message = STATUS_MESSAGE_NODE_NOT_FOUND),
146             @ApiResponse(code = 500, message = STATUS_MESSAGE_ERROR_OCCURRED)
147     })
148     public Response createProperty(
149             @PathParam("workspace") String workspaceName,
150             @PathParam("path") @DefaultValue("/") String parentPath,
151             @QueryParam("name") String name,
152             @QueryParam("value") List<String> valueStrings,
153             @QueryParam("type") @DefaultValue(PropertyType.TYPENAME_STRING) String typeString,
154             @QueryParam("multiple") @DefaultValue("false") boolean multiple) throws RepositoryException {
155 
156         if (!multiple && valueStrings.size() != 1) {
157             return Response.status(Response.Status.BAD_REQUEST).build();
158         }
159 
160         try {
161             PropertyType.valueFromName(typeString);
162         } catch (IllegalArgumentException e) {
163             return Response.status(Response.Status.BAD_REQUEST).build();
164         }
165 
166         final String parentAbsPath = StringUtils.defaultIfEmpty(parentPath, "/");
167 
168         final Session session = MgnlContext.getJCRSession(workspaceName);
169 
170         if (!session.nodeExists(parentAbsPath)) {
171             return Response.status(Response.Status.NOT_FOUND).build();
172         }
173 
174         final Node node = session.getNode(parentAbsPath);
175 
176         if (node.hasProperty(name)) {
177             return Response.status(Response.Status.BAD_REQUEST).build();
178         }
179 
180         RepositoryProperty property = new RepositoryProperty();
181         property.setName(name);
182         property.setMultiple(multiple);
183         property.setType(typeString);
184         property.getValues().addAll(valueStrings);
185 
186         marshaller.unmarshallProperty(node, property);
187 
188         synchronized (ExclusiveWrite.getInstance()) {
189             session.save();
190         }
191 
192         log.debug("Added property [{}]", PathUtil.createPath(parentAbsPath, name));
193 
194         return Response.ok().build();
195     }
196 
197     /**
198      * Sets the value of an existing property.
199      */
200     @POST
201     @Path("/{workspace}{path:(/.+)?}")
202     @ApiOperation(value = "Update property on a node", notes = "Updates a property on a node")
203     @ApiResponses(value = {
204             @ApiResponse(code = 200, message = STATUS_MESSAGE_OK),
205             @ApiResponse(code = 401, message = STATUS_MESSAGE_UNAUTHORIZED),
206             @ApiResponse(code = 403, message = STATUS_MESSAGE_ACCESS_DENIED),
207             @ApiResponse(code = 404, message = STATUS_MESSAGE_PROPERTY_NOT_FOUND),
208             @ApiResponse(code = 500, message = STATUS_MESSAGE_ERROR_OCCURRED)
209     })
210     public Response updateProperty(
211             @PathParam("workspace") String workspaceName,
212             @PathParam("path") @DefaultValue("/") String path,
213             @QueryParam("value") List<String> valueStrings,
214             @QueryParam("type") @DefaultValue(PropertyType.TYPENAME_STRING) String typeString,
215             @QueryParam("multiple") @DefaultValue("false") boolean multiple) throws RepositoryException {
216 
217         if (!multiple && valueStrings.size() != 1) {
218             return Response.status(Response.Status.BAD_REQUEST).build();
219         }
220 
221         try {
222             PropertyType.valueFromName(typeString);
223         } catch (IllegalArgumentException e) {
224             return Response.status(Response.Status.BAD_REQUEST).build();
225         }
226 
227         final String absPath = StringUtils.defaultIfEmpty(path, "/");
228         final String name = StringUtils.substringAfterLast(absPath, "/");
229         String parentPath = StringUtils.substringBeforeLast(absPath, "/");
230         if (parentPath.isEmpty()) {
231             parentPath = "/";
232         }
233 
234         final Session session = MgnlContext.getJCRSession(workspaceName);
235 
236         if (!session.propertyExists(absPath)) {
237             return Response.status(Response.Status.NOT_FOUND).build();
238         }
239 
240         final Node node = session.getNode(parentPath);
241 
242         RepositoryProperty property = new RepositoryProperty();
243         property.setName(name);
244         property.setMultiple(multiple);
245         property.setType(typeString);
246         property.getValues().addAll(valueStrings);
247 
248         marshaller.unmarshallProperty(node, property);
249 
250         synchronized (ExclusiveWrite.getInstance()) {
251             session.save();
252         }
253 
254         log.debug("Updated property [{}]", path);
255 
256         return Response.ok().build();
257     }
258 
259     /**
260      * Deletes a property.
261      */
262     @DELETE
263     @Path("/{workspace}{path:(/.+)?}")
264     @ApiOperation(value = "Delete a property", notes = "Deletes a property")
265     @ApiResponses(value = {
266             @ApiResponse(code = 200, message = STATUS_MESSAGE_OK),
267             @ApiResponse(code = 401, message = STATUS_MESSAGE_UNAUTHORIZED),
268             @ApiResponse(code = 403, message = STATUS_MESSAGE_ACCESS_DENIED),
269             @ApiResponse(code = 404, message = STATUS_MESSAGE_PROPERTY_NOT_FOUND),
270             @ApiResponse(code = 500, message = STATUS_MESSAGE_ERROR_OCCURRED)
271     })
272     public Response deleteProperty(
273             @PathParam("workspace") String workspaceName,
274             @PathParam("path") @DefaultValue("/") String path) throws RepositoryException {
275 
276         final String absPath = StringUtils.defaultIfEmpty(path, "/");
277 
278         final Session session = MgnlContext.getJCRSession(workspaceName);
279 
280         if (!session.propertyExists(absPath)) {
281             return Response.status(Response.Status.NOT_FOUND).build();
282         }
283 
284         final Property property = session.getProperty(absPath);
285 
286         property.remove();
287 
288         synchronized (ExclusiveWrite.getInstance()) {
289             session.save();
290         }
291 
292         log.debug("Deleted property [{}]", absPath);
293 
294         return Response.ok().build();
295     }
296 }