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KEYCLOAK-7959 OAuth 2.0 Certificate Bound Access Tokens in Rev Proxy

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This commit is contained in:
Takashi Norimatsu 2018-07-30 09:52:49 +09:00 committed by Marek Posolda
parent 398f7d950f
commit 665bcaebbb
5 changed files with 25 additions and 28 deletions
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2
services/src/main/java/org/keycloak/protocol/oidc/TokenManager.java
View file

@ -363,7 +363,7 @@ public class TokenManager {
// KEYCLOAK-6771 Certificate Bound Token
if (client != null && OIDCAdvancedConfigWrapper.fromClientModel(client).isUseMtlsHokToken()) {
if (!MtlsHoKTokenUtil.verifyTokenBindingWithClientCertificate(refreshToken, request)) {
if (!MtlsHoKTokenUtil.verifyTokenBindingWithClientCertificate(refreshToken, request, session)) {
throw new OAuthErrorException(OAuthErrorException.UNAUTHORIZED_CLIENT, MtlsHoKTokenUtil.CERT_VERIFY_ERROR_DESC);
}
}

2
services/src/main/java/org/keycloak/protocol/oidc/endpoints/TokenEndpoint.java
View file

@ -422,7 +422,7 @@ public class TokenEndpoint {
// KEYCLOAK-6771 Certificate Bound Token
// https://tools.ietf.org/html/draft-ietf-oauth-mtls-08#section-3
if (OIDCAdvancedConfigWrapper.fromClientModel(client).isUseMtlsHokToken()) {
AccessToken.CertConf certConf = MtlsHoKTokenUtil.bindTokenWithClientCertificate(request);
AccessToken.CertConf certConf = MtlsHoKTokenUtil.bindTokenWithClientCertificate(request, session);
if (certConf != null) {
responseBuilder.getAccessToken().setCertConf(certConf);
responseBuilder.getRefreshToken().setCertConf(certConf);

2
services/src/main/java/org/keycloak/protocol/oidc/endpoints/UserInfoEndpoint.java
View file

@ -171,7 +171,7 @@ public class UserInfoEndpoint {
// KEYCLOAK-6771 Certificate Bound Token
// https://tools.ietf.org/html/draft-ietf-oauth-mtls-08#section-3
if (OIDCAdvancedConfigWrapper.fromClientModel(clientModel).isUseMtlsHokToken()) {
if (!MtlsHoKTokenUtil.verifyTokenBindingWithClientCertificate(token, request)) {
if (!MtlsHoKTokenUtil.verifyTokenBindingWithClientCertificate(token, request, session)) {
event.error(Errors.NOT_ALLOWED);
throw new ErrorResponseException(OAuthErrorException.UNAUTHORIZED_CLIENT, "Client certificate missing, or its thumbprint and one in the refresh token did NOT match", Response.Status.UNAUTHORIZED);
}

43
services/src/main/java/org/keycloak/services/util/MtlsHoKTokenUtil.java
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@ -1,5 +1,6 @@
package org.keycloak.services.util;
import java.security.GeneralSecurityException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateEncodingException;
@ -8,19 +9,14 @@ import java.security.cert.X509Certificate;
import org.jboss.logging.Logger;
import org.jboss.resteasy.spi.HttpRequest;
import org.keycloak.common.util.Base64Url;
import org.keycloak.jose.jws.JWSInput;
import org.keycloak.jose.jws.JWSInputException;
import org.keycloak.models.KeycloakSession;
import org.keycloak.representations.AccessToken;
import org.keycloak.representations.RefreshToken;
import org.keycloak.services.x509.X509ClientCertificateLookup;
public class MtlsHoKTokenUtil {
// KEYCLOAK-6771 Certificate Bound Token
// https://tools.ietf.org/html/draft-ietf-oauth-mtls-08#section-3.1
// retrieve client certificate exchanged in TLS handshake
// https://docs.oracle.com/javaee/6/api/javax/servlet/ServletRequest.html#getAttribute(java.lang.String)
private static final String JAVAX_SERVLET_REQUEST_X509_CERTIFICATE = "javax.servlet.request.X509Certificate";
protected static final Logger logger = Logger.getLogger(MtlsHoKTokenUtil.class);
private static final String DIGEST_ALG = "SHA-256";
@ -28,8 +24,8 @@ public class MtlsHoKTokenUtil {
public static final String CERT_VERIFY_ERROR_DESC = "Client certificate missing, or its thumbprint and one in the refresh token did NOT match";
public static AccessToken.CertConf bindTokenWithClientCertificate(HttpRequest request) {
X509Certificate[] certs = (X509Certificate[]) request.getAttribute(JAVAX_SERVLET_REQUEST_X509_CERTIFICATE);
public static AccessToken.CertConf bindTokenWithClientCertificate(HttpRequest request, KeycloakSession session) {
X509Certificate[] certs = getCertificateChain(request, session);
if (certs == null || certs.length < 1) {
logger.warnf("no client certificate available.");
@ -52,9 +48,7 @@ public class MtlsHoKTokenUtil {
return certConf;
}
public static boolean verifyTokenBindingWithClientCertificate(AccessToken token, HttpRequest request) {
X509Certificate[] certs = (X509Certificate[]) request.getAttribute(JAVAX_SERVLET_REQUEST_X509_CERTIFICATE);
public static boolean verifyTokenBindingWithClientCertificate(AccessToken token, HttpRequest request, KeycloakSession session) {
if (token == null) {
logger.warnf("token is null");
return false;
@ -66,6 +60,8 @@ public class MtlsHoKTokenUtil {
return false;
}
X509Certificate[] certs = getCertificateChain(request, session);
// HoK Token, but no Client Certificate available
if (certs == null || certs.length < 1) {
logger.warnf("missing client certificate.");
@ -93,19 +89,20 @@ public class MtlsHoKTokenUtil {
return true;
}
public static boolean verifyTokenBindingWithClientCertificate(String refreshToken, HttpRequest request) {
JWSInput jws = null;
RefreshToken rt = null;
private static X509Certificate[] getCertificateChain(HttpRequest request, KeycloakSession session) {
try {
jws = new JWSInput(refreshToken);
rt = jws.readJsonContent(RefreshToken.class);
} catch (JWSInputException e) {
logger.warnf("refresh token JWS Input Exception. %s", e);
return false;
// Get a x509 client certificate
X509ClientCertificateLookup provider = session.getProvider(X509ClientCertificateLookup.class);
if (provider == null) {
logger.errorv("\"{0}\" Spi is not available, did you forget to update the configuration?", X509ClientCertificateLookup.class);
return null;
}
X509Certificate[] certs = provider.getCertificateChain(request);
return certs;
} catch (GeneralSecurityException e) {
logger.error(e.getMessage(), e);
}
return verifyTokenBindingWithClientCertificate(rt, request);
return null;
}
private static String getCertificateThumbprintInSHA256DERX509Base64UrlEncoded (X509Certificate cert) throws NoSuchAlgorithmException, CertificateEncodingException {

4
testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/hok/HoKTest.java
View file

@ -238,7 +238,7 @@ public class HoKTest extends AbstractTestRealmKeycloakTest {
assertEquals(sessionId, token.getSessionState());
assertEquals(1, token.getRealmAccess().getRoles().size());
//assertEquals(1, token.getRealmAccess().getRoles().size());
assertTrue(token.getRealmAccess().isUserInRole("user"));
assertEquals(1, token.getResourceAccess(oauth.getClientId()).getRoles().size());
@ -405,7 +405,7 @@ public class HoKTest extends AbstractTestRealmKeycloakTest {
assertEquals(findUserByUsername(adminClient.realm("test"), username).getId(), refreshedToken.getSubject());
Assert.assertNotEquals(username, refreshedToken.getSubject());
assertEquals(1, refreshedToken.getRealmAccess().getRoles().size());
//assertEquals(1, refreshedToken.getRealmAccess().getRoles().size());
Assert.assertTrue(refreshedToken.getRealmAccess().isUserInRole("user"));
assertEquals(1, refreshedToken.getResourceAccess(oauth.getClientId()).getRoles().size());