KEYCLOAK-3302 Allow logout with expired refresh token

services/src/main/java/org/keycloak/protocol/oidc/TokenManager.java

@@ -244,9 +244,14 @@ public class TokenManager {
     }
 
     public RefreshToken verifyRefreshToken(RealmModel realm, String encodedRefreshToken) throws OAuthErrorException {
+        return verifyRefreshToken(realm, encodedRefreshToken, true);
+    }
+
+    public RefreshToken verifyRefreshToken(RealmModel realm, String encodedRefreshToken, boolean checkExpiration) throws OAuthErrorException {
         try {
             RefreshToken refreshToken = toRefreshToken(realm, encodedRefreshToken);
 
+            if (checkExpiration) {
                 if (refreshToken.getExpiration() != 0 && refreshToken.isExpired()) {
                     throw new OAuthErrorException(OAuthErrorException.INVALID_GRANT, "Refresh token expired");
                 }
@@ -254,6 +259,8 @@ public class TokenManager {
                 if (refreshToken.getIssuedAt() < realm.getNotBefore()) {
                     throw new OAuthErrorException(OAuthErrorException.INVALID_GRANT, "Stale refresh token");
                 }
+            }
+
             return refreshToken;
         } catch (JWSInputException e) {
             throw new OAuthErrorException(OAuthErrorException.INVALID_GRANT, "Invalid refresh token", e);

services/src/main/java/org/keycloak/protocol/oidc/endpoints/LogoutEndpoint.java

@@ -187,7 +187,7 @@ public class LogoutEndpoint {
             throw new ErrorResponseException(OAuthErrorException.INVALID_REQUEST, "No refresh token", Response.Status.BAD_REQUEST);
         }
         try {
-            RefreshToken token = tokenManager.verifyRefreshToken(realm, refreshToken);
+            RefreshToken token = tokenManager.verifyRefreshToken(realm, refreshToken, false);
             UserSessionModel userSessionModel = session.sessions().getUserSession(realm, token.getSessionState());
             if (userSessionModel != null) {
                 logout(userSessionModel);

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/oauth/LogoutTest.java

@@ -0,0 +1,100 @@
+/*
+ * 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.testsuite.oauth;
+
+import org.apache.http.HttpResponse;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.keycloak.OAuth2Constants;
+import org.keycloak.common.util.Time;
+import org.keycloak.representations.idm.RealmRepresentation;
+import org.keycloak.testsuite.AbstractKeycloakTest;
+import org.keycloak.testsuite.AssertEvents;
+import org.keycloak.testsuite.util.ClientManager;
+import org.keycloak.testsuite.util.OAuthClient;
+import org.keycloak.testsuite.util.RealmBuilder;
+
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.keycloak.testsuite.admin.AbstractAdminTest.loadJson;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class LogoutTest extends AbstractKeycloakTest {
+
+    @Rule
+    public AssertEvents events = new AssertEvents(this);
+
+    @Override
+    public void beforeAbstractKeycloakTest() throws Exception {
+        super.beforeAbstractKeycloakTest();
+    }
+
+    @Before
+    public void clientConfiguration() {
+        ClientManager.realm(adminClient.realm("test")).clientId("test-app").directAccessGrant(true);
+    }
+
+    @Override
+    public void addTestRealms(List<RealmRepresentation> testRealms) {
+        RealmRepresentation realmRepresentation = loadJson(getClass().getResourceAsStream("/testrealm.json"), RealmRepresentation.class);
+        RealmBuilder realm = RealmBuilder.edit(realmRepresentation).testEventListener();
+
+        testRealms.add(realm.build());
+    }
+
+    @Test
+    public void postLogout() throws Exception {
+        oauth.doLogin("test-user@localhost", "password");
+
+        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);
+
+        oauth.clientSessionState("client-session");
+        OAuthClient.AccessTokenResponse tokenResponse = oauth.doAccessTokenRequest(code, "password");
+        String refreshTokenString = tokenResponse.getRefreshToken();
+
+        HttpResponse response = oauth.doLogout(refreshTokenString, "password");
+        assertEquals(204, response.getStatusLine().getStatusCode());
+
+        assertNotNull(testingClient.testApp().getAdminLogoutAction());
+    }
+
+    @Test
+    public void postLogoutExpiredRefreshToken() throws Exception {
+        oauth.doLogin("test-user@localhost", "password");
+
+        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);
+
+        oauth.clientSessionState("client-session");
+        OAuthClient.AccessTokenResponse tokenResponse = oauth.doAccessTokenRequest(code, "password");
+        String refreshTokenString = tokenResponse.getRefreshToken();
+
+        adminClient.realm("test").update(RealmBuilder.create().notBefore(Time.currentTime() + 1).build());
+
+        // Logout should succeed with expired refresh token, see KEYCLOAK-3302
+        HttpResponse response = oauth.doLogout(refreshTokenString, "password");
+        assertEquals(204, response.getStatusLine().getStatusCode());
+
+        assertNotNull(testingClient.testApp().getAdminLogoutAction());
+    }
+
+}

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/util/RealmBuilder.java

@@ -132,6 +132,11 @@ public class RealmBuilder {
         return this;
     }
 
+    public RealmBuilder notBefore(int i) {
+        rep.setNotBefore(i);
+        return this;
+    }
+
     public RealmBuilder otpLookAheadWindow(int i) {
         rep.setOtpPolicyLookAheadWindow(i);
         return this;

testsuite/integration-arquillian/tests/base/src/test/resources/testrealm.json

@@ -105,7 +105,7 @@
       "redirectUris": [
         "http://localhost:8180/auth/realms/master/app/auth/*"
       ],
-      "adminUrl": "http://localhost:8180/auth/realms/master/app/logout",
+      "adminUrl": "http://localhost:8180/auth/realms/master/app/admin",
       "secret": "password"
     },
     {