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JWTSigningUtils.java
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JWTSigningUtils.java
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2020 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.oidc;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.security.KeyPair;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.PublicKey;
import static org.wildfly.security.http.oidc.ElytronMessages.log;
import static org.wildfly.security.http.oidc.Oidc.PROTOCOL_CLASSPATH;
/**
* An interface to obtain the KeyPair from a keystore file.
*
* @author <a href="mailto:prpaul@redhat.com">Prarthona Paul</a>
*/
public class JWTSigningUtils implements JWTSigning{
public JWTSigningUtils() {}
@Override
public KeyPair loadKeyPairFromKeyStore(String keyStoreFile, String storePassword, String keyPassword, String keyAlias, String keyStoreType) {
InputStream stream = findFile(keyStoreFile);
try {
KeyStore keyStore = KeyStore.getInstance(keyStoreType);
keyStore.load(stream, storePassword.toCharArray());
PrivateKey privateKey = (PrivateKey) keyStore.getKey(keyAlias, keyPassword.toCharArray());
if (privateKey == null) {
log.unableToLoadKeyWithAlias(keyAlias);
}
PublicKey publicKey = keyStore.getCertificate(keyAlias).getPublicKey();
return new KeyPair(publicKey, privateKey);
} catch (Exception e) {
throw log.unableToLoadPrivateKey(e);
}
}
@Override
public InputStream findFile(String keystoreFile) {
if (keystoreFile.startsWith(PROTOCOL_CLASSPATH)) {
String classPathLocation = keystoreFile.replace(PROTOCOL_CLASSPATH, "");
// try current class classloader first
InputStream is = JWTClientCredentialsProvider.class.getClassLoader().getResourceAsStream(classPathLocation);
if (is == null) {
is = Thread.currentThread().getContextClassLoader().getResourceAsStream(classPathLocation);
}
if (is != null) {
return is;
} else {
throw log.unableToFindKeystoreFile(keystoreFile);
}
} else {
try {
// fallback to file
return new FileInputStream(keystoreFile);
} catch (FileNotFoundException e) {
throw new RuntimeException(e);
}
}
}
}