org.apache.cxf.interceptor.security.RolePrefixSecurityContextImpl Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.interceptor.security;
import java.security.Principal;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import javax.security.auth.Subject;
import org.apache.cxf.security.LoginSecurityContext;
public class RolePrefixSecurityContextImpl implements LoginSecurityContext {
private Principal p;
private Set roles;
private Subject theSubject;
public RolePrefixSecurityContextImpl(Subject subject, String rolePrefix) {
this(subject, rolePrefix, JAASLoginInterceptor.ROLE_CLASSIFIER_PREFIX);
}
public RolePrefixSecurityContextImpl(Subject subject, String roleClassifier,
String roleClassifierType) {
this.p = findPrincipal(subject, roleClassifier, roleClassifierType);
this.roles = findRoles(subject, roleClassifier, roleClassifierType);
this.theSubject = subject;
}
public Principal getUserPrincipal() {
return p;
}
public boolean isUserInRole(String role) {
// there is no guarantee the Principal instances retrieved
// from the Subject properly implement equalTo
for (Principal principal : roles) {
if (principal.getName().equals(role)) {
return true;
}
}
return false;
}
private static Principal findPrincipal(Subject subject,
String roleClassifier, String roleClassifierType) {
for (Principal p : subject.getPrincipals()) {
if (!isRole(p, roleClassifier, roleClassifierType)) {
return p;
}
}
return null;
}
private static Set findRoles(Subject subject,
String roleClassifier, String roleClassifierType) {
Set set = new HashSet();
for (Principal p : subject.getPrincipals()) {
if (isRole(p, roleClassifier, roleClassifierType)) {
set.add(p);
}
}
return Collections.unmodifiableSet(set);
}
private static boolean isRole(Principal p, String roleClassifier, String roleClassifierType) {
if (JAASLoginInterceptor.ROLE_CLASSIFIER_PREFIX.equals(roleClassifierType)) {
return p.getName().startsWith(roleClassifier);
} else {
return p.getClass().getName().endsWith(roleClassifier);
}
}
public Subject getSubject() {
return theSubject;
}
public Set getUserRoles() {
return roles;
}
}