diff options
Diffstat (limited to 'branches/sca-java-2.0-M4/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java')
-rw-r--r-- | branches/sca-java-2.0-M4/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java b/branches/sca-java-2.0-M4/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java new file mode 100644 index 0000000000..1297b44b93 --- /dev/null +++ b/branches/sca-java-2.0-M4/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java @@ -0,0 +1,76 @@ +/* + * 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.tuscany.sca.policy.security; + +import java.security.Principal; + +import javax.security.auth.Subject; + +import org.apache.tuscany.sca.invocation.Message; + + +/** + * + * @version $Rev$ $Date$ + */ +public class SecurityUtil { + + public static Subject getSubject(Message msg){ + + Subject subject = null; + + for (Object header : msg.getHeaders()){ + if (header instanceof Subject){ + subject = (Subject)header; + break; + } + } + + if (subject == null){ + subject = new Subject(); + msg.getHeaders().add(subject); + } + + return subject; + } + + public static <T> T getPrincipal(Subject subject, Class<T> clazz){ + for (Principal msgPrincipal : subject.getPrincipals() ){ + if (clazz.isInstance(msgPrincipal)){ + return clazz.cast(msgPrincipal); + } + } + + return null; + } + + public static Principal getPrincipal(Message msg){ + + Principal principal = null; + + for (Object header : msg.getHeaders()){ + if (header instanceof Principal){ + principal = (Principal)header; + break; + } + } + + return principal; + } +} |