com.sun.xml.wss.provider.wsit.WSITServerAuthConfig Maven / Gradle / Ivy
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/*
* WSITServerAuthConfig.java
*
* Created on November 1, 2006, 11:41 AM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package com.sun.xml.wss.provider.wsit;
import com.sun.xml.ws.api.model.wsdl.WSDLPort;
import com.sun.xml.ws.policy.PolicyMap;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.message.AuthException;
import javax.security.auth.message.MessageInfo;
import javax.security.auth.message.config.ServerAuthConfig;
import javax.security.auth.message.config.ServerAuthContext;
import java.util.concurrent.locks.ReentrantReadWriteLock;
/**
*
* @author kumar jayanti
*/
public class WSITServerAuthConfig implements ServerAuthConfig {
private String layer = null;
private String appContext = null;
private CallbackHandler callbackHandler = null;
private WSITServerAuthContext serverAuthContext = null;
private PolicyMap policyMap = null;
private boolean secEnabled;
private ReentrantReadWriteLock rwLock;
private ReentrantReadWriteLock.ReadLock rLock;
private ReentrantReadWriteLock.WriteLock wLock;
/** Creates a new instance of WSITServerAuthConfig */
public WSITServerAuthConfig(String layer, String appContext, CallbackHandler callbackHandler) {
this.layer = layer;
this.appContext = appContext;
this.callbackHandler = callbackHandler;
this.rwLock = new ReentrantReadWriteLock(true);
this.rLock = rwLock.readLock();
this.wLock = rwLock.writeLock();
}
public ServerAuthContext getAuthContext(String operation, Subject subject, Map rawMap) throws AuthException {
@SuppressWarnings("unchecked") Map map = rawMap;
PolicyMap pMap = (PolicyMap) map.get("POLICY");
WSDLPort port = (WSDLPort) map.get("WSDL_MODEL");
if (pMap == null || pMap.isEmpty()) {
//TODO: log warning here if pMap == null
return null;
}
//check if security is enabled
//if policy has changed due to redeploy, check if security is enabled
try {
rLock.lock(); // acquire read lock
if (!secEnabled || policyMap != pMap) {
rLock.unlock(); // must unlock read, before acquiring write lock
wLock.lock(); // acquire write lock
try {
if (!secEnabled || policyMap != pMap) { //re-check
if (!WSITAuthConfigProvider.isSecurityEnabled(pMap, port)) {
return null;
}
secEnabled = true;
}
} finally {
rLock.lock(); // reacquire read before releasing write lock
wLock.unlock(); //release write lock
}
}
} finally {
rLock.unlock(); // release read lock
}
this.rLock.lock();
try {
if (serverAuthContext != null) {
//return the cached one only if the same policyMap was passed in
if (policyMap == pMap) {
return serverAuthContext;
}
}
} finally {
this.rLock.unlock();
}
// make sure you don't hold the rlock when you request the wlock
// or you will encounter dealock
this.wLock.lock();
try {
// recheck the precondition, since the rlock was released.
if ((serverAuthContext == null) || (policyMap != pMap)) {
serverAuthContext = new WSITServerAuthContext(operation, subject, map, callbackHandler);
policyMap = pMap;
}
return serverAuthContext;
} finally {
this.wLock.unlock();
}
}
public String getMessageLayer() {
return layer;
}
public String getAppContext() {
return appContext;
}
public String getOperation(MessageInfo messageInfo) {
return null;
}
public void refresh() {
}
public String getAuthContextID(MessageInfo messageInfo) {
return null;
}
public boolean isProtected() {
return true;
}
}