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org.wildfly.security.util.DefaultTransformationMapper 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.util;
import org.wildfly.common.Assert;
import static org.wildfly.security.util.ElytronMessages.log;
import static org.wildfly.security.util.TransformationSpec.HIGH_STRENGTH;
import static org.wildfly.security.util.TransformationSpec.MEDIUM_STRENGTH;
import static org.wildfly.security.util.TransformationSpec.LOW_STRENGTH;
import static org.wildfly.security.util.TransformationSpec.NO_KEY;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
/**
* Default implementation of TransformationMapper interface.
*
* @author Peter Skopek
*
*/
public class DefaultTransformationMapper implements TransformationMapper {
protected HashMap transformations = new HashMap();
public DefaultTransformationMapper() {
transformations.put("DIGEST-MD5", new TransformationSpec[] { // TODO: once digest-md5 PR will be merged change this to
// JBOSS_DIGEST_MD5
new TransformationSpec("3des", "DESede/CBC/NoPadding", NO_KEY, HIGH_STRENGTH + 1, "SunJCA"),
new TransformationSpec("rc4", "RC4", 128, HIGH_STRENGTH, "SunJCA"),
new TransformationSpec("des", "DES/CBC/NoPadding", NO_KEY, MEDIUM_STRENGTH + 1, "SunJCA"),
new TransformationSpec("rc4-56", "RC4", 56, MEDIUM_STRENGTH, "SunJCA"),
new TransformationSpec("rc4-40", "RC4", 40, LOW_STRENGTH, "SunJCA") });
// sort all transformation arrays descending by strength
for (String mech : transformations.keySet()) {
Arrays.sort(transformations.get(mech), (o1, o2) -> {
if (o1.getStrength() < o2.getStrength()) {
return 1;
} else if (o1.getStrength() > o2.getStrength()) {
return -1;
} else {
return 0;
}
});
}
}
/*
* (non-Javadoc)
*
* @see org.wildfly.security.util.TransformationMapper#getTransformationSpec(java.lang.String, java.lang.String)
*/
@Override
public TransformationSpec getTransformationSpec(String mechanism, String token) throws IllegalArgumentException {
return getTransformationSpec(null, mechanism, token);
}
/*
* (non-Javadoc)
*
* @see org.wildfly.security.util.TransformationMapper#getTransformationSpec(java.lang.String, java.lang.String,
* java.lang.String)
*/
@Override
public TransformationSpec getTransformationSpec(String provider, String mechanism, String token)
throws IllegalArgumentException {
Assert.checkNotNullParam("token", token);
TransformationSpec[] ts = transformations.get(mechanism);
if (ts == null) {
throw log.mechanismNotSupported(mechanism);
}
for (TransformationSpec t : ts) {
if (token.equals(t.getToken()) && (provider == null || provider.equals(t.getProvider()))) {
return t;
}
}
return null;
}
/*
* (non-Javadoc)
*
* @see org.wildfly.security.util.TransformationMapper#getTransformationSpecByStrength(java.lang.String, java.lang.String[])
*/
@Override
public TransformationSpec[] getTransformationSpecByStrength(String mechanism, String... tokens)
throws IllegalArgumentException {
return getTransformationSpecByStrength(null, mechanism, tokens);
}
/*
* (non-Javadoc)
*
* @see org.wildfly.security.util.TransformationMapper#getTransformationSpecByStrength(java.lang.String, java.lang.String,
* java.lang.String[])
*/
@Override
public TransformationSpec[] getTransformationSpecByStrength(String provider, String mechanism, String... tokens)
throws IllegalArgumentException {
Assert.checkNotNullParam("tokens", tokens);
TransformationSpec[] ts = transformations.get(mechanism);
if (ts == null) {
throw log.mechanismNotSupported(mechanism);
}
ArrayList tf = new ArrayList(ts.length);
for (TransformationSpec t : ts) {
for (String token : tokens) {
if (token.equals(t.getToken()) && (provider == null || provider.equals(t.getProvider()))) {
tf.add(t);
}
}
}
return tf.toArray(new TransformationSpec[tf.size()]);
}
/*
* (non-Javadoc)
*
* @see org.wildfly.security.util.TransformationMapper#getTransformationSpecWithStrength(java.lang.String, int,
* java.lang.String[])
*/
@Override
public TransformationSpec[] getTransformationSpecWithStrength(String mechanism, int strength, String... tokens)
throws IllegalArgumentException {
return getTransformationSpecWithStrength(null, mechanism, strength, tokens);
}
/*
* (non-Javadoc)
*
* @see org.wildfly.security.util.TransformationMapper#getTransformationSpecWithStrength(java.lang.String, java.lang.String,
* int, java.lang.String[])
*/
@Override
public TransformationSpec[] getTransformationSpecWithStrength(String provider, String mechanism, int strength,
String... tokens) throws IllegalArgumentException {
Assert.checkNotNullParam("tokens", tokens);
TransformationSpec[] ts = transformations.get(mechanism);
if (ts == null) {
throw log.mechanismNotSupported(mechanism);
}
ArrayList tf = new ArrayList(ts.length);
for (TransformationSpec t : ts) {
for (String token : tokens) {
if (token.equals(t.getToken())
&& (provider == null || provider.equals(t.getProvider()) && (strength <= t.getStrength()))) {
tf.add(t);
}
}
}
return tf.toArray(new TransformationSpec[tf.size()]);
}
}
