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Micro Distribution of the Payara Project for IBM JDK
/*
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*
* Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
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* and Distribution License("CDDL") (collectively, the "License"). You
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package com.sun.enterprise.security.jmac.config;
import java.util.Map;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.logging.Level;
import java.util.logging.Logger;
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.AuthConfig;
import javax.security.auth.message.config.AuthConfigFactory;
import javax.security.auth.message.config.AuthConfigProvider;
import javax.security.auth.message.config.ClientAuthConfig;
import javax.security.auth.message.config.ClientAuthContext;
import javax.security.auth.message.config.RegistrationListener;
import javax.security.auth.message.config.ServerAuthConfig;
import javax.security.auth.message.config.ServerAuthContext;
import javax.security.auth.message.config.AuthConfigFactory.RegistrationContext;
import com.sun.enterprise.security.jmac.AuthMessagePolicy;
import com.sun.enterprise.security.jmac.WebServicesDelegate;
import org.glassfish.internal.api.Globals;
/**
* This is based Helper class for 196 Configuration.
* This class implements RegistrationListener.
*/
public abstract class ConfigHelper /*implements RegistrationListener*/ {
private static final String DEFAULT_HANDLER_CLASS =
"com.sun.enterprise.security.jmac.callback.ContainerCallbackHandler";
// private static String handlerClassName = null;
protected static final AuthConfigFactory factory = AuthConfigFactory.getFactory();
private ReadWriteLock rwLock;
private Lock rLock;
private Lock wLock;
protected String layer;
protected String appCtxt;
protected Map map;
protected CallbackHandler cbh;
protected AuthConfigRegistrationWrapper listenerWrapper = null;
protected void init(String layer, String appContext,
Map map, CallbackHandler cbh) {
this.layer = layer;
this.appCtxt = appContext;
this.map = map;
this.cbh = cbh;
if (this.cbh == null) {
this.cbh = getCallbackHandler();
}
this.rwLock = new ReentrantReadWriteLock(true);
this.rLock = rwLock.readLock();
this.wLock = rwLock.writeLock();
listenerWrapper = new AuthConfigRegistrationWrapper(this.layer, this.appCtxt);
}
public void setJmacProviderRegisID(String jmacProviderRegisID) {
this.listenerWrapper.setJmacProviderRegisID(jmacProviderRegisID);
}
public AuthConfigRegistrationWrapper getRegistrationWrapper() {
return this.listenerWrapper;
}
public void setRegistrationWrapper(AuthConfigRegistrationWrapper wrapper) {
this.listenerWrapper = wrapper;
}
public AuthConfigRegistrationWrapper.AuthConfigRegistrationListener getRegistrationListener() {
return this.listenerWrapper.getListener();
}
public void disable() {
listenerWrapper.disable();
}
public Object getProperty(String key) {
return map == null ? null : map.get(key);
}
public String getAppContextID() {
return appCtxt;
}
public ClientAuthConfig getClientAuthConfig() throws AuthException {
return (ClientAuthConfig)getAuthConfig(false);
}
public ServerAuthConfig getServerAuthConfig() throws AuthException {
return (ServerAuthConfig)getAuthConfig(true);
}
public ClientAuthContext getClientAuthContext(MessageInfo info, Subject s)
throws AuthException {
ClientAuthConfig c = (ClientAuthConfig)getAuthConfig(false);
if (c != null) {
return c.getAuthContext(c.getAuthContextID(info),s,map);
}
return null;
}
public ServerAuthContext getServerAuthContext(MessageInfo info, Subject s)
throws AuthException {
ServerAuthConfig c = (ServerAuthConfig)getAuthConfig(true);
if (c != null) {
return c.getAuthContext(c.getAuthContextID(info),s,map);
}
return null;
}
protected AuthConfig getAuthConfig(AuthConfigProvider p, boolean isServer)
throws AuthException {
AuthConfig c = null;
if (p != null) {
if (isServer) {
c = p.getServerAuthConfig(layer, appCtxt, cbh);
} else {
c = p.getClientAuthConfig(layer, appCtxt, cbh);
}
}
return c;
}
protected AuthConfig getAuthConfig(boolean isServer) throws AuthException {
ConfigData d = null;
AuthConfig c = null;
boolean disabled = false;
AuthConfigProvider lastP = null;
try {
rLock.lock();
disabled = (!listenerWrapper.isEnabled());
if (!disabled) {
d = listenerWrapper.getConfigData();
if (d != null) {
c = (isServer ? d.sConfig : d.cConfig);
lastP = d.provider;
}
}
} finally {
rLock.unlock();
if (disabled || c != null || (d != null && lastP == null)) {
return c;
}
}
// d == null || (d != null && lastP != null && c == null)
if (d == null) {
try {
wLock.lock();
if (listenerWrapper.getConfigData()== null) {
AuthConfigProvider nextP =
factory.getConfigProvider(layer,appCtxt,this.getRegistrationListener());
if (nextP != null) {
listenerWrapper.setConfigData(new ConfigData(nextP,getAuthConfig(nextP,isServer)));
} else {
listenerWrapper.setConfigData(new ConfigData());
}
}
d = listenerWrapper.getConfigData();
} finally {
wLock.unlock();
}
}
return ((isServer)? d.sConfig : d.cConfig);
}
/**
* Check if there is a provider register for a given layer and appCtxt.
*/
protected boolean hasExactMatchAuthProvider() {
boolean exactMatch = false;
// XXX this may need to be optimized
AuthConfigProvider p =
factory.getConfigProvider(layer, appCtxt, null);
if (p != null) {
String[] IDs = factory.getRegistrationIDs(p);
for (String i : IDs) {
RegistrationContext c = factory.getRegistrationContext(i);
if (layer.equals(c.getMessageLayer()) &&
appCtxt.equals(c.getAppContext())) {
exactMatch = true;
break;
}
}
}
return exactMatch;
}
/**
* Get the callback default handler
*/
private CallbackHandler getCallbackHandler() {
CallbackHandler rvalue = AuthMessagePolicy.getDefaultCallbackHandler();
if (rvalue instanceof CallbackHandlerConfig) {
((CallbackHandlerConfig)rvalue).setHandlerContext
(getHandlerContext(map));
}
return rvalue;
}
/**
* This method is invoked by the constructor and should be
* overrided by subclass.
*/
protected HandlerContext getHandlerContext(Map map) {
return null;
}
private static class ConfigData {
private AuthConfigProvider provider;
private AuthConfig sConfig;
private AuthConfig cConfig;
ConfigData() {
provider = null;
sConfig = null;
cConfig = null;
}
ConfigData(AuthConfigProvider p, AuthConfig a) {
provider = p;
if (a == null) {
sConfig = null;
cConfig = null;
} else if (a instanceof ServerAuthConfig) {
sConfig = a;
cConfig = null;
} else if (a instanceof ClientAuthConfig) {
sConfig = null;
cConfig = a;
} else {
throw new IllegalArgumentException();
}
}
}
//Adding extra inner class because specializing the Linstener Impl class would
//make the GF 196 implementation Non-Replaceable.
// This class would hold a RegistrationListener within.
public static class AuthConfigRegistrationWrapper {
private String layer;
private String appCtxt;
private String jmacProviderRegisID = null;
private boolean enabled;
private ConfigData data;
private Lock wLock;
private ReadWriteLock rwLock;
AuthConfigRegistrationListener listener;
int referenceCount = 1;
private WebServicesDelegate delegate = null;
public AuthConfigRegistrationWrapper(String layer, String appCtxt) {
this.layer = layer;
this.appCtxt = appCtxt;
this.rwLock = new ReentrantReadWriteLock(true);
this.wLock = rwLock.writeLock();
enabled = (factory != null);
listener = new AuthConfigRegistrationListener(layer, appCtxt);
if (Globals.getDefaultHabitat() != null) {
delegate = Globals.get(WebServicesDelegate.class);
} else {
try {
//for non HK2 environments
//try to get WebServicesDelegateImpl by reflection.
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class delegateClass = loader.loadClass("com.sun.enterprise.security.webservices.WebServicesDelegateImpl");
delegate = (WebServicesDelegate) delegateClass.newInstance();
} catch (InstantiationException ex) {
} catch (IllegalAccessException ex) {
} catch (ClassNotFoundException ex) {
}
}
}
public AuthConfigRegistrationListener getListener() {
return listener;
}
public void setListener(AuthConfigRegistrationListener listener) {
this.listener = listener;
}
public void disable() {
this.wLock.lock();
try {
setEnabled(false);
} finally {
this.wLock.unlock();
data = null;
}
if (factory != null) {
String[] ids = factory.detachListener(this.listener,layer,appCtxt);
// if (ids != null) {
// for (int i=0; i < ids.length; i++) {
// factory.removeRegistration(ids[i]);
// }
// }
if (getJmacProviderRegisID() != null) {
factory.removeRegistration(getJmacProviderRegisID());
}
}
}
//detach the listener, but dont remove-registration
public void disableWithRefCount() {
if (referenceCount <= 1) {
disable();
if (delegate != null) {
delegate.removeListener(this);
}
} else {
try {
this.wLock.lock();
referenceCount--;
} finally {
this.wLock.unlock();
}
}
}
public void incrementReference() {
try {
this.wLock.lock();
referenceCount++;
} finally {
this.wLock.unlock();
}
}
public boolean isEnabled() {
return enabled;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public String getJmacProviderRegisID() {
return this.jmacProviderRegisID;
}
public void setJmacProviderRegisID(String jmacProviderRegisID) {
this.jmacProviderRegisID = jmacProviderRegisID;
}
private ConfigData getConfigData() {
return data;
}
private void setConfigData(ConfigData data) {
this.data = data;
}
public class AuthConfigRegistrationListener implements RegistrationListener {
private String layer;
private String appCtxt;
public AuthConfigRegistrationListener(String layer, String appCtxt) {
this.layer = layer;
this.appCtxt = appCtxt;
}
public void notify(String layer, String appContext) {
if (this.layer.equals(layer) &&
((this.appCtxt == null && appContext == null) ||
(appContext != null && appContext.equals(this.appCtxt)))) {
try {
wLock.lock();
data = null;
} finally {
wLock.unlock();
}
}
}
}
}
}
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