1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.shiro.web.filter.authz;
20
21 import java.io.IOException;
22 import javax.servlet.ServletRequest;
23 import javax.servlet.ServletResponse;
24
25 import org.apache.shiro.subject.Subject;
26
27 /**
28 * Filter that allows access if the current user has the permissions specified by the mapped value, or denies access
29 * if the user does not have all of the permissions specified.
30 *
31 * @since 0.9
32 */
33 public class PermissionsAuthorizationFilter extends AuthorizationFilter {
34
35 //TODO - complete JavaDoc
36
37 public boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws IOException {
38
39 Subject subject = getSubject(request, response);
40 String[] perms = (String[]) mappedValue;
41
42 boolean isPermitted = true;
43 if (perms != null && perms.length > 0) {
44 if (perms.length == 1) {
45 if (!subject.isPermitted(perms[0])) {
46 isPermitted = false;
47 }
48 } else {
49 if (!subject.isPermittedAll(perms)) {
50 isPermitted = false;
51 }
52 }
53 }
54
55 return isPermitted;
56 }
57 }