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 java.util.Set;
23 import javax.servlet.ServletRequest;
24 import javax.servlet.ServletResponse;
25
26 import org.apache.shiro.subject.Subject;
27 import org.apache.shiro.util.CollectionUtils;
28
29
30 /**
31 * Filter that allows access if the current user has the roles specified by the mapped value, or denies access
32 * if the user does not have all of the roles specified.
33 *
34 * @since 0.9
35 */
36 public class RolesAuthorizationFilter extends AuthorizationFilter {
37
38 //TODO - complete JavaDoc
39
40 @SuppressWarnings({"unchecked"})
41 public boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws IOException {
42
43 Subject subject = getSubject(request, response);
44 String[] rolesArray = (String[]) mappedValue;
45
46 if (rolesArray == null || rolesArray.length == 0) {
47 //no roles specified, so nothing to check - allow access.
48 return true;
49 }
50
51 Set<String> roles = CollectionUtils.asSet(rolesArray);
52 return subject.hasAllRoles(roles);
53 }
54
55 }