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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.tuscany.sca.policy.security.http;
import java.util.List;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.login.LoginContext;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.policy.authorization.AuthorizationPolicy;
import org.apache.tuscany.sca.policy.security.http.util.HttpSecurityUtil;
import org.osoa.sca.ServiceRuntimeException;
/**
* @version $Rev$ $Date$
*/
public class LDAPRealmAuthenticationInterceptor implements Interceptor {
private List<LDAPRealmAuthenticationPolicy> authenticationPolicies;
private List<AuthorizationPolicy> authorizationPolicies;
private Invoker next;
public LDAPRealmAuthenticationInterceptor(List<LDAPRealmAuthenticationPolicy> authenticationPolicies,
List<AuthorizationPolicy> authorizationPolicies) {
super();
this.authenticationPolicies = authenticationPolicies;
this.authorizationPolicies = authorizationPolicies;
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
public Message invoke(Message msg) {
Subject subject = null;
Subject authenticatedSubject = null;
try {
// Perform user authentication
LDAPRealmAuthenticationPolicy authenticationPolicy = authenticationPolicies.get(0);
if( authenticationPolicy != null) {
subject = HttpSecurityUtil.getSubject(msg);
CallbackHandler callbackHandler = new LDAPRealmAuthenticationCallbackHandler(subject);
/* This bypass Java EE */
LoginContext lc = new LoginContext(authenticationPolicy.getRealmConfigurationName(), callbackHandler);
lc.login();
/* Uses Geronimo to login */
/*
LoginContext geronimoLoginContext = ContextManager.login(authenticationPolicy.getRealmConfigurationName(), callbackHandler);
authenticatedSubject = geronimoLoginContext.getSubject();
if (authenticatedSubject != null) {
//TODO: add authenticated subject to the msg header ?
}
*/
}
AuthorizationPolicy authorizationPolicy = authorizationPolicies.get(0);
if(authorizationPolicy != null) {
if(authorizationPolicy.getAccessControl() == AuthorizationPolicy.AcessControl.allow) {
/* Geronimo Specific code */
/*
boolean isAllowed = false;
for (String requiredRole : authorizationPolicy.getRoleNames()) {
isAllowed = isUserInRole(authenticatedSubject, requiredRole);
}
if(! isAllowed ) {
throw new javax.security.auth.login.LoginException("Insufficient access rights !");
}
*/
}
}
} catch (Exception e) {
throw new ServiceRuntimeException(e);
}
return getNext().invoke(msg);
}
public boolean isUserInRole(Subject subject, String role) {
/* Geronimo Specific code */
/*
AccessControlContext acc = ContextManager.getCurrentContext();
try {
acc.checkPermission(new WebRoleRefPermission("", role));
} catch (Exception e) {
return false;
}
return true;
*/
return false;
}
}
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