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org.wildfly.security.sasl.scram.ScramSaslServerFactory Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.sasl.scram;
import static org.wildfly.security.mechanism._private.ElytronMessages.saslScram;
import static org.wildfly.security.provider.util.ProviderUtil.INSTALLED_PROVIDERS;
import java.io.IOException;
import java.security.Provider;
import java.util.Collections;
import java.util.Map;
import java.util.function.Supplier;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.sasl.SaslException;
import javax.security.sasl.SaslServer;
import javax.security.sasl.SaslServerFactory;
import org.kohsuke.MetaInfServices;
import org.wildfly.common.Assert;
import org.wildfly.security.auth.callback.ChannelBindingCallback;
import org.wildfly.security.mechanism.AuthenticationMechanismException;
import org.wildfly.security.mechanism.scram.ScramMechanism;
import org.wildfly.security.sasl.WildFlySasl;
import org.wildfly.security.sasl.util.SaslMechanismInformation;
/**
* @author David M. Lloyd
*/
@MetaInfServices(value = SaslServerFactory.class)
public final class ScramSaslServerFactory implements SaslServerFactory {
private final Supplier providers;
public ScramSaslServerFactory() {
providers = INSTALLED_PROVIDERS;
}
public ScramSaslServerFactory(final Provider provider) {
providers = () -> new Provider[] { provider };
}
public SaslServer createSaslServer(final String mechanism, final String protocol, final String serverName, Map props, final CallbackHandler cbh) throws SaslException {
Assert.checkNotNullParam("cbh", cbh);
if (props == null) props = Collections.emptyMap();
final ChannelBindingCallback callback = new ChannelBindingCallback();
try {
cbh.handle(new Callback[] { callback });
} catch (SaslException e) {
throw e;
} catch (IOException e) {
throw saslScram.mechFailedToDetermineChannelBindingStatus(e).toSaslException();
} catch (UnsupportedCallbackException e) {
// ignored
}
final String bindingType = callback.getBindingType();
final byte[] bindingData = callback.getBindingData();
boolean bindingOk = bindingType != null && bindingData != null;
boolean bindingRequired = "true".equals(props.get(WildFlySasl.CHANNEL_BINDING_REQUIRED));
int minimumIterationCount = ScramUtil.getIntProperty(props, WildFlySasl.SCRAM_MIN_ITERATION_COUNT, 4096);
int maximumIterationCount = ScramUtil.getIntProperty(props, WildFlySasl.SCRAM_MAX_ITERATION_COUNT, 32768);
try {
switch (mechanism) {
case SaslMechanismInformation.Names.SCRAM_SHA_1_PLUS:
if (! bindingOk) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_1_PLUS.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
case SaslMechanismInformation.Names.SCRAM_SHA_1:
if (bindingRequired) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_1.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
case SaslMechanismInformation.Names.SCRAM_SHA_256_PLUS:
if (! bindingOk) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_256_PLUS.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
case SaslMechanismInformation.Names.SCRAM_SHA_256:
if (bindingRequired) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_256.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
case SaslMechanismInformation.Names.SCRAM_SHA_384_PLUS:
if (! bindingOk) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_384_PLUS.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
case SaslMechanismInformation.Names.SCRAM_SHA_384:
if (bindingRequired) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_384.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
case SaslMechanismInformation.Names.SCRAM_SHA_512_PLUS:
if (! bindingOk) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_512_PLUS.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
case SaslMechanismInformation.Names.SCRAM_SHA_512:
if (bindingRequired) return null;
return new ScramSaslServer(mechanism, protocol, serverName, cbh, ScramMechanism.SCRAM_SHA_512.createServer(
cbh, ScramUtil.getSecureRandom(props), callback, minimumIterationCount, maximumIterationCount, providers
), callback);
default: {
return null;
}
}
} catch (AuthenticationMechanismException e) {
throw e.toSaslException();
}
}
public String[] getMechanismNames(final Map props) {
if (props != null && !"true".equals(props.get(WildFlySasl.MECHANISM_QUERY_ALL)) && "true".equals(props.get(WildFlySasl.CHANNEL_BINDING_REQUIRED))) {
return new String[] {
SaslMechanismInformation.Names.SCRAM_SHA_512_PLUS,
SaslMechanismInformation.Names.SCRAM_SHA_384_PLUS,
SaslMechanismInformation.Names.SCRAM_SHA_256_PLUS,
SaslMechanismInformation.Names.SCRAM_SHA_1_PLUS
};
} else {
return new String[] {
SaslMechanismInformation.Names.SCRAM_SHA_512_PLUS,
SaslMechanismInformation.Names.SCRAM_SHA_384_PLUS,
SaslMechanismInformation.Names.SCRAM_SHA_256_PLUS,
SaslMechanismInformation.Names.SCRAM_SHA_1_PLUS,
SaslMechanismInformation.Names.SCRAM_SHA_512,
SaslMechanismInformation.Names.SCRAM_SHA_384,
SaslMechanismInformation.Names.SCRAM_SHA_256,
SaslMechanismInformation.Names.SCRAM_SHA_1
};
}
}
}
