/
DigestMechanismFactory.java
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/
DigestMechanismFactory.java
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2015 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.http.digest;
import static org.wildfly.common.Assert.checkNotNullParam;
import static org.wildfly.security.http.HttpConstants.CONFIG_CONTEXT_PATH;
import static org.wildfly.security.http.HttpConstants.CONFIG_REALM;
import static org.wildfly.security.http.HttpConstants.CONFIG_SESSION_DIGEST;
import static org.wildfly.security.http.HttpConstants.DIGEST_NAME;
import static org.wildfly.security.http.HttpConstants.DIGEST_SHA256_NAME;
import static org.wildfly.security.http.HttpConstants.DIGEST_SHA512_256_NAME;
import static org.wildfly.security.http.HttpConstants.MD5;
import static org.wildfly.security.http.HttpConstants.SHA256;
import static org.wildfly.security.http.HttpConstants.SHA512_256;
import static org.wildfly.security.provider.util.ProviderUtil.INSTALLED_PROVIDERS;
import java.security.Provider;
import java.util.ArrayList;
import java.util.Map;
import java.util.function.Supplier;
import javax.security.auth.callback.CallbackHandler;
import org.kohsuke.MetaInfServices;
import org.wildfly.security.http.HttpAuthenticationException;
import org.wildfly.security.http.HttpConstants;
import org.wildfly.security.http.HttpServerAuthenticationMechanism;
import org.wildfly.security.http.HttpServerAuthenticationMechanismFactory;
import org.wildfly.security.mechanism._private.ElytronMessages;
/**
* The {@link HttpServerAuthenticationMechanismFactory} implementation for the HTTP Digest authentication mechanism.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
@MetaInfServices(value = HttpServerAuthenticationMechanismFactory.class)
public class DigestMechanismFactory implements HttpServerAuthenticationMechanismFactory {
private final Supplier<Provider[]> providers;
public DigestMechanismFactory() {
providers = INSTALLED_PROVIDERS;
}
public DigestMechanismFactory(final Provider provider) {
this(new Provider[]{provider});
}
public DigestMechanismFactory(final Provider... providers) {
this.providers = () -> providers;
}
/*
* 5 Minutes Initial Nonce Validity
* 15 Minutes Validity Since Last Use With Nonce Count
* Single Use
* 20 Byte Private Key (Gives us at least enough material for SHA-256 to digest))
* SHA256 Digest Algorithm
*/
private static NonceManager nonceManager = new NonceManager(300000, 900000, true, 20, SHA256, ElytronMessages.httpDigest);
/**
* @see org.wildfly.security.http.HttpServerAuthenticationMechanismFactory#getMechanismNames(java.util.Map)
*/
@Override
public String[] getMechanismNames(Map<String, ?> properties) {
// TODO We may cache this later but for now leave the option open for properties to influence selection.
ArrayList<String> mechanismNames = new ArrayList<>();
mechanismNames.add(DIGEST_NAME);
mechanismNames.add(DIGEST_SHA256_NAME);
mechanismNames.add(DIGEST_SHA512_256_NAME);
return mechanismNames.toArray(new String[mechanismNames.size()]);
}
/**
* @see org.wildfly.security.http.HttpServerAuthenticationMechanismFactory#createAuthenticationMechanism(java.lang.String, java.util.Map, javax.security.auth.callback.CallbackHandler)
*/
@Override
public HttpServerAuthenticationMechanism createAuthenticationMechanism(String mechanismName, Map<String, ?> properties, CallbackHandler callbackHandler) throws HttpAuthenticationException {
checkNotNullParam("mechanismName", mechanismName);
checkNotNullParam("properties", properties);
checkNotNullParam("callbackHandler", callbackHandler);
if (properties.containsKey("nonceManager")) {
nonceManager = (NonceManager) properties.get("nonceManager");
} else if (properties.get(CONFIG_SESSION_DIGEST) != null) {
nonceManager = new PersistentNonceManager(300000, 900000, true, 20, SHA256, ElytronMessages.httpDigest);
}
switch (mechanismName) {
case DIGEST_NAME:
return new DigestAuthenticationMechanism(callbackHandler, nonceManager, (String) properties.get(CONFIG_REALM), (String) properties.get(CONFIG_CONTEXT_PATH), DIGEST_NAME, MD5, providers, (String) properties.get(HttpConstants.CONFIG_VALIDATE_DIGEST_URI));
case DIGEST_SHA256_NAME:
return new DigestAuthenticationMechanism(callbackHandler, nonceManager, (String) properties.get(CONFIG_REALM), (String) properties.get(CONFIG_CONTEXT_PATH), DIGEST_SHA256_NAME, SHA256, providers, (String) properties.get(HttpConstants.CONFIG_VALIDATE_DIGEST_URI));
case DIGEST_SHA512_256_NAME:
return new DigestAuthenticationMechanism(callbackHandler, nonceManager, (String) properties.get(CONFIG_REALM), (String) properties.get(CONFIG_CONTEXT_PATH), DIGEST_SHA512_256_NAME, SHA512_256, providers, (String) properties.get(HttpConstants.CONFIG_VALIDATE_DIGEST_URI));
}
return null;
}
/*
* Shut down the NonceManager created by the DigestMechanismFactory
*/
@Override
public void shutdown() {
nonceManager.shutdown();
}
}