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org.wildfly.security.auth.realm.ldap.DelegatingLdapContext Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed 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.wildfly.security.auth.realm.ldap;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Hashtable;
import javax.naming.Binding;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NameClassPair;
import javax.naming.NameParser;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.ReferralException;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.ModificationItem;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.Control;
import javax.naming.ldap.ExtendedRequest;
import javax.naming.ldap.ExtendedResponse;
import javax.naming.ldap.InitialLdapContext;
import javax.naming.ldap.LdapContext;
import javax.net.SocketFactory;
import org.wildfly.common.Assert;
import org.wildfly.security.manager.action.SetContextClassLoaderAction;
/**
* Delegating {@link LdapContext} allowing redefine close and reconnect operations.
* Used by {@link SimpleDirContextFactoryBuilder} to ensure context returning instead of close.
*
* If the context is copied using {@link #newInstance(Control[])}, close handler will not used by the copy.
* On the other hand, reconnect handler will used by both of them.
*
* If non-Ldap context is obtained, LdapContext specific methods throws {@link UnsupportedOperationException}.
*
* @author Jan Kalina
*/
class DelegatingLdapContext implements LdapContext {
private final DirContext delegating;
private final CloseHandler closeHandler;
private final SocketFactory socketFactory;
interface CloseHandler {
void handle(DirContext context) throws NamingException;
}
DelegatingLdapContext(DirContext delegating, CloseHandler closeHandler, SocketFactory socketFactory) throws NamingException {
this.delegating = delegating;
this.closeHandler = closeHandler;
this.socketFactory = socketFactory;
}
// for needs of newInstance()
private DelegatingLdapContext(DirContext delegating, SocketFactory socketFactory) throws NamingException {
this.delegating = delegating;
this.closeHandler = null; // close handler should not be applied to copy
this.socketFactory = socketFactory;
}
public LdapContext newInitialLdapContext(Hashtable environment, Control[] connCtls) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return new InitialLdapContext(environment, null);
} finally {
unsetSocketFactory(previous);
}
}
@Override
public void close() throws NamingException {
if (closeHandler == null) {
delegating.close();
} else {
closeHandler.handle(delegating);
}
}
// for needs of search()
private NamingEnumeration wrap(NamingEnumeration delegating) {
return new NamingEnumeration () {
@Override
public boolean hasMoreElements() {
ClassLoader previous = setSocketFactory();
try {
return delegating.hasMoreElements();
} finally {
unsetSocketFactory(previous);
}
}
@Override
public SearchResult nextElement() {
ClassLoader previous = setSocketFactory();
try {
return delegating.nextElement();
} finally {
unsetSocketFactory(previous);
}
}
@Override
public SearchResult next() throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return delegating.next();
} finally {
unsetSocketFactory(previous);
}
}
@Override
public boolean hasMore() throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return delegating.hasMore();
} finally {
unsetSocketFactory(previous);
}
}
@Override
public void close() throws NamingException {
delegating.close();
}
};
}
public DelegatingLdapContext wrapReferralContextObtaining(ReferralException e) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return new DelegatingLdapContext((DirContext) e.getReferralContext(), socketFactory);
} finally {
unsetSocketFactory(previous);
}
}
@Override
public String toString() {
return super.toString() + "->" + delegating.toString();
}
// LdapContext specific
@Override
public ExtendedResponse extendedOperation(ExtendedRequest request) throws NamingException {
if ( ! (delegating instanceof LdapContext)) throw Assert.unsupported();
return ((LdapContext) delegating).extendedOperation(request);
}
@Override
public LdapContext newInstance(Control[] requestControls) throws NamingException {
if ( ! (delegating instanceof LdapContext)) throw Assert.unsupported();
LdapContext newContext = ((LdapContext) delegating).newInstance(requestControls);
return new DelegatingLdapContext(newContext, socketFactory);
}
@Override
public void reconnect(Control[] controls) throws NamingException {
if ( ! (delegating instanceof LdapContext)) throw Assert.unsupported();
ClassLoader previous = setSocketFactory();
try {
((LdapContext) delegating).reconnect(controls);
} finally {
unsetSocketFactory(previous);
}
}
@Override
public Control[] getConnectControls() throws NamingException {
if ( ! (delegating instanceof LdapContext)) throw Assert.unsupported();
return ((LdapContext) delegating).getConnectControls();
}
@Override
public void setRequestControls(Control[] requestControls) throws NamingException {
if ( ! (delegating instanceof LdapContext)) throw Assert.unsupported();
((LdapContext) delegating).setRequestControls(requestControls);
}
@Override
public Control[] getRequestControls() throws NamingException {
if ( ! (delegating instanceof LdapContext)) throw Assert.unsupported();
return ((LdapContext) delegating).getRequestControls();
}
@Override
public Control[] getResponseControls() throws NamingException {
if ( ! (delegating instanceof LdapContext)) throw Assert.unsupported();
return ((LdapContext) delegating).getResponseControls();
}
// DirContext methods delegates only
@Override
public void bind(String name, Object obj, Attributes attrs) throws NamingException {
delegating.bind(name, obj, attrs);
}
@Override
public Attributes getAttributes(Name name) throws NamingException {
return delegating.getAttributes(name);
}
@Override
public Attributes getAttributes(String name) throws NamingException {
return delegating.getAttributes(name);
}
@Override
public Attributes getAttributes(Name name, String[] attrIds) throws NamingException {
return delegating.getAttributes(name, attrIds);
}
@Override
public Attributes getAttributes(String name, String[] attrIds) throws NamingException {
return delegating.getAttributes(name, attrIds);
}
@Override
public void modifyAttributes(Name name, int mod_op, Attributes attrs) throws NamingException {
delegating.modifyAttributes(name, mod_op, attrs);
}
@Override
public void modifyAttributes(String name, int mod_op, Attributes attrs) throws NamingException {
delegating.modifyAttributes(name, mod_op, attrs);
}
@Override
public void modifyAttributes(Name name, ModificationItem[] mods) throws NamingException {
delegating.modifyAttributes(name, mods);
}
@Override
public void modifyAttributes(String name, ModificationItem[] mods) throws NamingException {
delegating.modifyAttributes(name, mods);
}
@Override
public void bind(Name name, Object obj, Attributes attrs) throws NamingException {
delegating.bind(name, obj, attrs);
}
@Override
public void rebind(Name name, Object obj, Attributes attrs) throws NamingException {
delegating.rebind(name, obj, attrs);
}
@Override
public void rebind(String name, Object obj, Attributes attrs) throws NamingException {
delegating.rebind(name, obj, attrs);
}
@Override
public DirContext createSubcontext(Name name, Attributes attrs) throws NamingException {
return delegating.createSubcontext(name, attrs);
}
@Override
public DirContext createSubcontext(String name, Attributes attrs) throws NamingException {
return delegating.createSubcontext(name, attrs);
}
@Override
public DirContext getSchema(Name name) throws NamingException {
return delegating.getSchema(name);
}
@Override
public DirContext getSchema(String name) throws NamingException {
return delegating.getSchema(name);
}
@Override
public DirContext getSchemaClassDefinition(Name name) throws NamingException {
return delegating.getSchemaClassDefinition(name);
}
@Override
public DirContext getSchemaClassDefinition(String name) throws NamingException {
return delegating.getSchemaClassDefinition(name);
}
@Override
public NamingEnumeration search(Name name, Attributes matchingAttributes, String[] attributesToReturn) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return wrap(delegating.search(name, matchingAttributes, attributesToReturn));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public NamingEnumeration search(String name, Attributes matchingAttributes, String[] attributesToReturn) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return wrap(delegating.search(name, matchingAttributes, attributesToReturn));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public NamingEnumeration search(Name name, Attributes matchingAttributes) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return wrap(delegating.search(name, matchingAttributes));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public NamingEnumeration search(String name, Attributes matchingAttributes) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return wrap(delegating.search(name, matchingAttributes));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public NamingEnumeration search(Name name, String filter, SearchControls cons) throws NamingException {
ClassLoader previous = setSocketFactory();
try{
return wrap(delegating.search(name, filter, cons));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public NamingEnumeration search(String name, String filter, SearchControls cons) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return wrap(delegating.search(name, filter, cons));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public NamingEnumeration search(Name name, String filterExpr, Object[] filterArgs, SearchControls cons) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return wrap(delegating.search(name, filterExpr, filterArgs, cons));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public NamingEnumeration search(String name, String filterExpr, Object[] filterArgs, SearchControls cons) throws NamingException {
ClassLoader previous = setSocketFactory();
try {
return wrap(delegating.search(name, filterExpr, filterArgs, cons));
} finally {
unsetSocketFactory(previous);
}
}
@Override
public Object lookup(Name name) throws NamingException {
return delegating.lookup(name);
}
@Override
public Object lookup(String name) throws NamingException {
return delegating.lookup(name);
}
@Override
public void bind(Name name, Object obj) throws NamingException {
delegating.bind(name, obj);
}
@Override
public void bind(String name, Object obj) throws NamingException {
delegating.bind(name, obj);
}
@Override
public void rebind(Name name, Object obj) throws NamingException {
delegating.rebind(name, obj);
}
@Override
public void rebind(String name, Object obj) throws NamingException {
delegating.rebind(name, obj);
}
@Override
public void unbind(Name name) throws NamingException {
delegating.unbind(name);
}
@Override
public void unbind(String name) throws NamingException {
delegating.unbind(name);
}
@Override
public void rename(Name oldName, Name newName) throws NamingException {
delegating.rename(oldName, newName);
}
@Override
public void rename(String oldName, String newName) throws NamingException {
delegating.rename(oldName, newName);
}
@Override
public NamingEnumeration list(Name name) throws NamingException {
return delegating.list(name);
}
@Override
public NamingEnumeration list(String name) throws NamingException {
return delegating.list(name);
}
@Override
public NamingEnumeration listBindings(Name name) throws NamingException {
return delegating.listBindings(name);
}
@Override
public NamingEnumeration listBindings(String name) throws NamingException {
return delegating.listBindings(name);
}
@Override
public void destroySubcontext(Name name) throws NamingException {
delegating.destroySubcontext(name);
}
@Override
public void destroySubcontext(String name) throws NamingException {
delegating.destroySubcontext(name);
}
@Override
public Context createSubcontext(Name name) throws NamingException {
return delegating.createSubcontext(name);
}
@Override
public Context createSubcontext(String name) throws NamingException {
return delegating.createSubcontext(name);
}
@Override
public Object lookupLink(Name name) throws NamingException {
return delegating.lookupLink(name);
}
@Override
public Object lookupLink(String name) throws NamingException {
return delegating.lookupLink(name);
}
@Override
public NameParser getNameParser(Name name) throws NamingException {
return delegating.getNameParser(name);
}
@Override
public NameParser getNameParser(String name) throws NamingException {
return delegating.getNameParser(name);
}
@Override
public Name composeName(Name name, Name prefix) throws NamingException {
return delegating.composeName(name, prefix);
}
@Override
public String composeName(String name, String prefix) throws NamingException {
return delegating.composeName(name, prefix);
}
@Override
public Object addToEnvironment(String propName, Object propVal) throws NamingException {
return delegating.addToEnvironment(propName, propVal);
}
@Override
public Object removeFromEnvironment(String propName) throws NamingException {
return delegating.removeFromEnvironment(propName);
}
@Override
public Hashtable getEnvironment() throws NamingException {
return delegating.getEnvironment();
}
@Override
public String getNameInNamespace() throws NamingException {
return delegating.getNameInNamespace();
}
private ClassLoader setSocketFactory() {
if (socketFactory != null) {
ThreadLocalSSLSocketFactory.set(socketFactory);
return setClassLoaderTo(getSocketFactoryClassLoader());
}
return null;
}
private void unsetSocketFactory(ClassLoader previous) {
if (socketFactory != null) {
ThreadLocalSSLSocketFactory.unset();
setClassLoaderTo(previous);
}
}
private ClassLoader getSocketFactoryClassLoader() {
return ThreadLocalSSLSocketFactory.class.getClassLoader();
}
private ClassLoader setClassLoaderTo(final ClassLoader targetClassLoader){
return doPrivileged(new SetContextClassLoaderAction(targetClassLoader));
}
private static T doPrivileged(final PrivilegedAction action) {
return System.getSecurityManager() != null ? AccessController.doPrivileged(action) : action.run();
}
}
