/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other 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.keycloak;
import junit.framework.Assert;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openssl.PEMWriter;
import org.bouncycastle.x509.X509V1CertificateGenerator;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.keycloak.common.VerificationException;
import org.keycloak.common.util.Time;
import org.keycloak.jose.jws.JWSBuilder;
import org.keycloak.representations.AccessToken;
import org.keycloak.util.TokenUtil;
import javax.security.auth.x500.X500Principal;
import java.io.IOException;
import java.io.StringWriter;
import java.math.BigInteger;
import java.security.InvalidKeyException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.PublicKey;
import java.security.Security;
import java.security.SignatureException;
import java.security.cert.X509Certificate;
import java.util.Date;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class RSAVerifierTest {
private static X509Certificate[] idpCertificates;
private static KeyPair idpPair;
private static KeyPair badPair;
private static KeyPair clientPair;
private static X509Certificate[] clientCertificateChain;
private AccessToken token;
static {
if (Security.getProvider("BC") == null) Security.addProvider(new BouncyCastleProvider());
}
public static X509Certificate generateTestCertificate(String subject, String issuer, KeyPair pair) throws InvalidKeyException,
NoSuchProviderException, SignatureException {
X509V1CertificateGenerator certGen = new X509V1CertificateGenerator();
certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
certGen.setIssuerDN(new X500Principal(issuer));
certGen.setNotBefore(new Date(System.currentTimeMillis() - 10000));
certGen.setNotAfter(new Date(System.currentTimeMillis() + 10000));
certGen.setSubjectDN(new X500Principal(subject));
certGen.setPublicKey(pair.getPublic());
certGen.setSignatureAlgorithm("SHA256WithRSAEncryption");
return certGen.generateX509Certificate(pair.getPrivate(), "BC");
}
@BeforeClass
public static void setupCerts() throws NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException, SignatureException {
badPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
idpPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
idpCertificates = new X509Certificate[]{generateTestCertificate("CN=IDP", "CN=IDP", idpPair)};
clientPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
clientCertificateChain = new X509Certificate[]{generateTestCertificate("CN=Client", "CN=IDP", idpPair)};
}
@Before
public void initTest() {
token = new AccessToken();
token.type(TokenUtil.TOKEN_TYPE_BEARER)
.subject("CN=Client")
.issuer("http://localhost:8080/auth/realm")
.addAccess("service").addRole("admin");
}
@Test
public void testPemWriter() throws Exception {
PublicKey realmPublicKey = idpPair.getPublic();
StringWriter sw = new StringWriter();
PEMWriter writer = new PEMWriter(sw);
try {
writer.writeObject(realmPublicKey);
writer.flush();
} catch (IOException e) {
throw new RuntimeException(e);
}
System.out.println(sw.toString());
}
@Test
public void testSimpleVerification() throws Exception {
String encoded = new JWSBuilder()
.jsonContent(token)
.rsa256(idpPair.getPrivate());
System.out.print("encoded size: " + encoded.length());
AccessToken token = verifySkeletonKeyToken(encoded);
Assert.assertTrue(token.getResourceAccess("service").getRoles().contains("admin"));
Assert.assertEquals("CN=Client", token.getSubject());
}
private AccessToken verifySkeletonKeyToken(String encoded) throws VerificationException {
return RSATokenVerifier.verifyToken(encoded, idpPair.getPublic(), "http://localhost:8080/auth/realm");
}
/*
@Test
public void testSpeed() throws Exception
{
byte[] tokenBytes = JsonSerialization.toByteArray(token, false);
String encoded = new JWSBuilder()
.content(tokenBytes)
.rsa256(idpPair.getPrivate());
long start = System.currentTimeMillis();
int count = 10000;
for (int i = 0; i < count; i++)
{
SkeletonKeyTokenVerification v = RSATokenVerifier.verify(null, encoded, metadata);
}
long end = System.currentTimeMillis() - start;
System.out.println("rate: " + ((double)end/(double)count));
}
*/
@Test
public void testBadSignature() throws Exception {
String encoded = new JWSBuilder()
.jsonContent(token)
.rsa256(badPair.getPrivate());
AccessToken v = null;
try {
v = verifySkeletonKeyToken(encoded);
Assert.fail();
} catch (VerificationException ignored) {
}
}
@Test
public void testNotBeforeGood() throws Exception {
token.notBefore(Time.currentTime() - 100);
String encoded = new JWSBuilder()
.jsonContent(token)
.rsa256(idpPair.getPrivate());
AccessToken v = null;
try {
v = verifySkeletonKeyToken(encoded);
} catch (VerificationException ignored) {
throw ignored;
}
}
@Test
public void testNotBeforeBad() throws Exception {
token.notBefore(Time.currentTime() + 100);
String encoded = new JWSBuilder()
.jsonContent(token)
.rsa256(idpPair.getPrivate());
AccessToken v = null;
try {
v = verifySkeletonKeyToken(encoded);
Assert.fail();
} catch (VerificationException ignored) {
System.out.println(ignored.getMessage());
}
}
@Test
public void testExpirationGood() throws Exception {
token.expiration(Time.currentTime() + 100);
String encoded = new JWSBuilder()
.jsonContent(token)
.rsa256(idpPair.getPrivate());
AccessToken v = null;
try {
v = verifySkeletonKeyToken(encoded);
} catch (VerificationException ignored) {
throw ignored;
}
}
@Test
public void testExpirationBad() throws Exception {
token.expiration(Time.currentTime() - 100);
String encoded = new JWSBuilder()
.jsonContent(token)
.rsa256(idpPair.getPrivate());
AccessToken v = null;
try {
v = verifySkeletonKeyToken(encoded);
Assert.fail();
} catch (VerificationException ignored) {
}
}
@Test
public void testTokenAuth() throws Exception {
token = new AccessToken();
token.subject("CN=Client")
.issuer("domain")
.addAccess("service").addRole("admin").verifyCaller(true);
String encoded = new JWSBuilder()
.jsonContent(token)
.rsa256(idpPair.getPrivate());
AccessToken v = null;
try {
v = verifySkeletonKeyToken(encoded);
} catch (VerificationException ignored) {
}
}
}