/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.keycloak.testsuite.oauth;

import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.junit.Assert;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import org.keycloak.OAuth2Constants;
import org.keycloak.admin.client.Keycloak;
import org.keycloak.admin.client.resource.ClientTemplateResource;
import org.keycloak.admin.client.resource.RealmResource;
import org.keycloak.common.enums.SslRequired;
import org.keycloak.common.util.Time;
import org.keycloak.events.Details;
import org.keycloak.events.Errors;
import org.keycloak.events.Event;
import org.keycloak.jose.jws.JWSInput;
import org.keycloak.jose.jws.JWSInputException;
import org.keycloak.models.ClientModel;
import org.keycloak.models.Constants;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.ProtocolMapperModel;
import org.keycloak.models.RealmModel;
import org.keycloak.models.RoleModel;
import org.keycloak.models.UserCredentialModel;
import org.keycloak.models.UserModel;
import org.keycloak.models.utils.KeycloakModelUtils;
import org.keycloak.models.utils.ModelToRepresentation;
import org.keycloak.protocol.oidc.OIDCLoginProtocolService;
import org.keycloak.protocol.oidc.mappers.AddressMapper;
import org.keycloak.protocol.oidc.mappers.HardcodedClaim;
import org.keycloak.protocol.oidc.mappers.HardcodedRole;
import org.keycloak.protocol.oidc.mappers.RoleNameMapper;
import org.keycloak.protocol.oidc.mappers.UserAttributeMapper;
import org.keycloak.representations.AccessToken;
import org.keycloak.representations.IDToken;
import org.keycloak.representations.idm.ClientRepresentation;
import org.keycloak.representations.idm.ClientTemplateRepresentation;
import org.keycloak.representations.idm.ProtocolMapperRepresentation;
import org.keycloak.representations.idm.RoleRepresentation;
import org.keycloak.representations.idm.UserRepresentation;
import org.keycloak.services.managers.RealmManager;
import org.keycloak.testsuite.AssertEvents;
import org.keycloak.testsuite.OAuthClient;
import org.keycloak.testsuite.OAuthClient.AccessTokenResponse;
import org.keycloak.testsuite.pages.LoginPage;
import org.keycloak.testsuite.rule.KeycloakRule;
import org.keycloak.testsuite.rule.WebResource;
import org.keycloak.testsuite.rule.WebRule;
import org.keycloak.util.BasicAuthHelper;
import org.openqa.selenium.WebDriver;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Form;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import java.net.URI;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;

/**
 * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
 */
public class AccessTokenTest {

    protected static Keycloak keycloak;

    @ClassRule
    public static KeycloakRule keycloakRule = new KeycloakRule(new KeycloakRule.KeycloakSetup() {

        @Override
        public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
            appRealm.getClientByClientId("test-app").setDirectAccessGrantsEnabled(true);
            {   // for KEYCLOAK-2221
                UserModel user = manager.getSession().users().addUser(appRealm, KeycloakModelUtils.generateId(), "no-permissions", false, false);
                user.updateCredential(UserCredentialModel.password("password"));
                user.setEnabled(true);
                RoleModel role = appRealm.getRole("user");
                user.grantRole(role);
            }

            keycloak = Keycloak.getInstance("http://localhost:8081/auth", "master", "admin", "admin", Constants.ADMIN_CLI_CLIENT_ID);
        }

    });

    @Rule
    public WebRule webRule = new WebRule(this);

    @WebResource
    protected WebDriver driver;

    @WebResource
    protected OAuthClient oauth;

    @WebResource
    protected LoginPage loginPage;

    @Rule
    public AssertEvents events = new AssertEvents(keycloakRule);

    @Test
    public void accessTokenRequest() throws Exception {
        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();

        String sessionId = loginEvent.getSessionId();
        String codeId = loginEvent.getDetails().get(Details.CODE_ID);

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);
        AccessTokenResponse response = oauth.doAccessTokenRequest(code, "password");

        Assert.assertEquals(200, response.getStatusCode());

        Assert.assertThat(response.getExpiresIn(), allOf(greaterThanOrEqualTo(250), lessThanOrEqualTo(300)));
        Assert.assertThat(response.getRefreshExpiresIn(), allOf(greaterThanOrEqualTo(1750), lessThanOrEqualTo(1800)));

        Assert.assertEquals("bearer", response.getTokenType());

        AccessToken token = oauth.verifyToken(response.getAccessToken());

        Assert.assertEquals(keycloakRule.getUser("test", "test-user@localhost").getId(), token.getSubject());
        Assert.assertNotEquals("test-user@localhost", token.getSubject());

        Assert.assertEquals(sessionId, token.getSessionState());

        Assert.assertEquals(1, token.getRealmAccess().getRoles().size());
        Assert.assertTrue(token.getRealmAccess().isUserInRole("user"));

        Assert.assertEquals(1, token.getResourceAccess(oauth.getClientId()).getRoles().size());
        Assert.assertTrue(token.getResourceAccess(oauth.getClientId()).isUserInRole("customer-user"));

        Event event = events.expectCodeToToken(codeId, sessionId).assertEvent();
        Assert.assertEquals(token.getId(), event.getDetails().get(Details.TOKEN_ID));
        Assert.assertEquals(oauth.verifyRefreshToken(response.getRefreshToken()).getId(), event.getDetails().get(Details.REFRESH_TOKEN_ID));
        Assert.assertEquals(sessionId, token.getSessionState());

    }

    @Test
    public void accessTokenInvalidClientCredentials() throws Exception {
        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();
        String codeId = loginEvent.getDetails().get(Details.CODE_ID);

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);
        AccessTokenResponse response = oauth.doAccessTokenRequest(code, "invalid");
        Assert.assertEquals(400, response.getStatusCode());

        AssertEvents.ExpectedEvent expectedEvent = events.expectCodeToToken(codeId, loginEvent.getSessionId()).error("invalid_client_credentials").clearDetails().user((String) null).session((String) null);
        expectedEvent.assertEvent();
    }

    @Test
    public void accessTokenMissingClientCredentials() throws Exception {
        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();
        String codeId = loginEvent.getDetails().get(Details.CODE_ID);

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);
        AccessTokenResponse response = oauth.doAccessTokenRequest(code, null);
        Assert.assertEquals(400, response.getStatusCode());

        AssertEvents.ExpectedEvent expectedEvent = events.expectCodeToToken(codeId, loginEvent.getSessionId()).error("invalid_client_credentials").clearDetails().user((String) null).session((String) null);
        expectedEvent.assertEvent();
    }

    @Test
    public void accessTokenInvalidRedirectUri() throws Exception {
        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();
        String codeId = loginEvent.getDetails().get(Details.CODE_ID);

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);

        oauth.redirectUri("http://invalid");

        AccessTokenResponse response = oauth.doAccessTokenRequest(code, "password");
        Assert.assertEquals(400, response.getStatusCode());
        Assert.assertEquals("invalid_grant", response.getError());
        Assert.assertEquals("Incorrect redirect_uri", response.getErrorDescription());

        events.expectCodeToToken(codeId, loginEvent.getSessionId()).error("invalid_code")
                .removeDetail(Details.TOKEN_ID)
                .removeDetail(Details.REFRESH_TOKEN_ID)
                .removeDetail(Details.REFRESH_TOKEN_TYPE)
                .assertEvent();
    }

    @Test
    public void accessTokenUserSessionExpired() {
        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();

        String codeId = loginEvent.getDetails().get(Details.CODE_ID);
        String sessionId = loginEvent.getSessionId();

        keycloakRule.removeUserSession(sessionId);

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);

        OAuthClient.AccessTokenResponse tokenResponse = oauth.doAccessTokenRequest(code, "password");
        assertEquals(400, tokenResponse.getStatusCode());
        assertNull(tokenResponse.getAccessToken());
        assertNull(tokenResponse.getRefreshToken());

        events.expectCodeToToken(codeId, sessionId)
                .removeDetail(Details.TOKEN_ID)
                .user((String) null)
                .session((String) null)
                .removeDetail(Details.REFRESH_TOKEN_ID)
                .removeDetail(Details.REFRESH_TOKEN_TYPE)
                .error(Errors.INVALID_CODE).assertEvent();

        events.clear();
    }

    @Test
    public void accessTokenCodeExpired() {
        keycloakRule.update(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
                appRealm.setAccessCodeLifespan(1);
            }
        });

        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();

        String codeId = loginEvent.getDetails().get(Details.CODE_ID);
        loginEvent.getSessionId();

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);

        Time.setOffset(2);

        OAuthClient.AccessTokenResponse response = oauth.doAccessTokenRequest(code, "password");
        Assert.assertEquals(400, response.getStatusCode());

        AssertEvents.ExpectedEvent expectedEvent = events.expectCodeToToken(codeId, null);
        expectedEvent.error("invalid_code")
                .removeDetail(Details.TOKEN_ID)
                .removeDetail(Details.REFRESH_TOKEN_ID)
                .removeDetail(Details.REFRESH_TOKEN_TYPE)
                .user((String) null);
        expectedEvent.assertEvent();

        events.clear();

        keycloakRule.update(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
                appRealm.setAccessCodeLifespan(60);
            }
        });

        Time.setOffset(0);
    }

    @Test
    public void accessTokenCodeUsed() {
        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();

        String codeId = loginEvent.getDetails().get(Details.CODE_ID);
        loginEvent.getSessionId();

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);
        OAuthClient.AccessTokenResponse response = oauth.doAccessTokenRequest(code, "password");
        Assert.assertEquals(200, response.getStatusCode());

        events.clear();

        response = oauth.doAccessTokenRequest(code, "password");
        Assert.assertEquals(400, response.getStatusCode());

        AssertEvents.ExpectedEvent expectedEvent = events.expectCodeToToken(codeId, null);
        expectedEvent.error("invalid_code")
                .removeDetail(Details.TOKEN_ID)
                .removeDetail(Details.REFRESH_TOKEN_ID)
                .removeDetail(Details.REFRESH_TOKEN_TYPE)
                .user((String) null);
        expectedEvent.assertEvent();

        events.clear();

        keycloakRule.update(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
                appRealm.setAccessCodeLifespan(60);
            }
        });
    }

    @Test
    public void accessTokenCodeRoleMissing() {
        keycloakRule.configure(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
                RoleModel role = appRealm.addRole("tmp-role");
                session.users().getUserByUsername("test-user@localhost", appRealm).grantRole(role);
            }
        });

        oauth.doLogin("test-user@localhost", "password");

        Event loginEvent = events.expectLogin().assertEvent();

        loginEvent.getDetails().get(Details.CODE_ID);

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);

        keycloakRule.configure(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
                appRealm.removeRole(appRealm.getRole("tmp-role"));
            }
        });

        OAuthClient.AccessTokenResponse response = oauth.doAccessTokenRequest(code, "password");

        Assert.assertEquals(200, response.getStatusCode());

        AccessToken token = oauth.verifyToken(response.getAccessToken());
        Assert.assertEquals(1, token.getRealmAccess().getRoles().size());
        Assert.assertTrue(token.getRealmAccess().isUserInRole("user"));

        events.clear();
    }

    @Test
    public void accessTokenCodeHasRequiredAction() {
        keycloakRule.configure(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel defaultRealm, RealmModel appRealm) {
                UserModel user = manager.getSession().users().getUserByUsername("test-user@localhost", appRealm);
                user.addRequiredAction(UserModel.RequiredAction.UPDATE_PROFILE);
            }
        });

        oauth.doLogin("test-user@localhost", "password");

        String code = driver.getPageSource().split("code=")[1].split("&")[0].split("\"")[0];

        OAuthClient.AccessTokenResponse response = oauth.doAccessTokenRequest(code, "password");
        Assert.assertEquals(400, response.getStatusCode());

        Event event = events.poll();
        assertNotNull(event.getDetails().get(Details.CODE_ID));

        keycloakRule.update(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
                manager.getSession().users().getUserByUsername("test-user@localhost", appRealm).removeRequiredAction(UserModel.RequiredAction.UPDATE_PROFILE);
            }
        });
    }

    @Test
    public void testGrantAccessToken() throws Exception {
        Client client = ClientBuilder.newClient();
        UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
        URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
        WebTarget grantTarget = client.target(grantUri);

        {   // test checkSsl
            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                realm.setSslRequired(SslRequired.ALL);
                session.getTransaction().commit();
                session.close();
            }

            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(403, response.getStatus());
            response.close();

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                realm.setSslRequired(SslRequired.EXTERNAL);
                session.getTransaction().commit();
                session.close();
            }

        }

        {   // test null username
            String header = BasicAuthHelper.createHeader("test-app", "password");
            Form form = new Form();
            form.param(OAuth2Constants.GRANT_TYPE, OAuth2Constants.PASSWORD);
            form.param("password", "password");
            Response response = grantTarget.request()
                    .header(HttpHeaders.AUTHORIZATION, header)
                    .post(Entity.form(form));
            Assert.assertEquals(401, response.getStatus());
            response.close();
        }

        {   // test no password
            String header = BasicAuthHelper.createHeader("test-app", "password");
            Form form = new Form();
            form.param(OAuth2Constants.GRANT_TYPE, OAuth2Constants.PASSWORD);
            form.param("username", "test-user@localhost");
            Response response = grantTarget.request()
                    .header(HttpHeaders.AUTHORIZATION, header)
                    .post(Entity.form(form));
            Assert.assertEquals(401, response.getStatus());
            response.close();
        }

        {   // test invalid password
            String header = BasicAuthHelper.createHeader("test-app", "password");
            Form form = new Form();
            form.param(OAuth2Constants.GRANT_TYPE, OAuth2Constants.PASSWORD);
            form.param("username", "test-user@localhost");
            form.param("password", "invalid");
            Response response = grantTarget.request()
                    .header(HttpHeaders.AUTHORIZATION, header)
                    .post(Entity.form(form));
            Assert.assertEquals(401, response.getStatus());
            response.close();
        }
        {   // test no password
            String header = BasicAuthHelper.createHeader("test-app", "password");
            Form form = new Form();
            form.param(OAuth2Constants.GRANT_TYPE, OAuth2Constants.PASSWORD);
            form.param("username", "test-user@localhost");
            Response response = grantTarget.request()
                    .header(HttpHeaders.AUTHORIZATION, header)
                    .post(Entity.form(form));
            Assert.assertEquals(401, response.getStatus());
            response.close();
        }

        {   // test bearer-only

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                ClientModel clientModel = realm.getClientByClientId("test-app");
                clientModel.setBearerOnly(true);
                session.getTransaction().commit();
                session.close();
            }


            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(400, response.getStatus());
            response.close();

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                ClientModel clientModel = realm.getClientByClientId("test-app");
                clientModel.setBearerOnly(false);
                session.getTransaction().commit();
                session.close();
            }

        }

        {   // test realm disabled
            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                realm.setEnabled(false);
                session.getTransaction().commit();
                session.close();
            }

            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(403, response.getStatus());
            response.close();

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                realm.setEnabled(true);
                session.getTransaction().commit();
                session.close();
            }

        }

        {   // test application disabled

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                ClientModel clientModel = realm.getClientByClientId("test-app");
                clientModel.setEnabled(false);
                session.getTransaction().commit();
                session.close();
            }


            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(400, response.getStatus());
            response.close();

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                ClientModel clientModel = realm.getClientByClientId("test-app");
                clientModel.setEnabled(true);
                session.getTransaction().commit();
                session.close();
            }

        }

        {   // test user action required

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                UserModel user = session.users().getUserByUsername("test-user@localhost", realm);
                user.addRequiredAction(UserModel.RequiredAction.UPDATE_PASSWORD);
                session.getTransaction().commit();
                session.close();
            }


            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(400, response.getStatus());
            response.close();

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                UserModel user = session.users().getUserByUsername("test-user@localhost", realm);
                user.removeRequiredAction(UserModel.RequiredAction.UPDATE_PASSWORD);
                session.getTransaction().commit();
                session.close();
            }

        }
        {   // test user disabled
            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                UserModel user = session.users().getUserByUsername("test-user@localhost", realm);
                user.setEnabled(false);
                session.getTransaction().commit();
                session.close();
            }


            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(400, response.getStatus());
            response.close();

            {
                KeycloakSession session = keycloakRule.startSession();
                RealmModel realm = session.realms().getRealmByName("test");
                UserModel user = session.users().getUserByUsername("test-user@localhost", realm);
                user.setEnabled(true);
                session.getTransaction().commit();
                session.close();
            }

        }


        {
            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);
            response.close();
        }

        client.close();
        events.clear();

    }

    @Test
    public void testKeycloak2221() throws Exception {
        Client client = ClientBuilder.newClient();
        UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
        URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
        WebTarget grantTarget = client.target(grantUri);
        {
            KeycloakSession session = keycloakRule.startSession();
            RealmModel realm = session.realms().getRealmByName("test");
            ClientModel app = realm.getClientByClientId("test-app");
            app.addProtocolMapper(RoleNameMapper.create("rename-role", "user", "realm-user"));
            app.addProtocolMapper(RoleNameMapper.create("rename-role2", "admin", "the-admin"));
            session.getTransaction().commit();
            session.close();
        }

        {
            Response response = executeGrantRequest(grantTarget, "no-permissions", "password");
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);
            AccessToken accessToken = getAccessToken(tokenResponse);
            Assert.assertEquals(accessToken.getRealmAccess().getRoles().size(), 1);
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains("realm-user"));


            response.close();
        }

        // undo mappers
        {
            KeycloakSession session = keycloakRule.startSession();
            RealmModel realm = session.realms().getRealmByName("test");
            ClientModel app = realm.getClientByClientId("test-app");
            for (ProtocolMapperModel model : app.getProtocolMappers()) {
                if (model.getName().startsWith("rename-role")) {
                    app.removeProtocolMapper(model);
                }
            }
            session.getTransaction().commit();
            session.close();
        }

        events.clear();


    }


    @Test
    public void testTokenMapping() throws Exception {
        Client client = ClientBuilder.newClient();
        UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
        URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
        WebTarget grantTarget = client.target(grantUri);
        {
            KeycloakSession session = keycloakRule.startSession();
            RealmModel realm = session.realms().getRealmByName("test");
            UserModel user = session.users().getUserByUsername("test-user@localhost", realm);
            user.setSingleAttribute("street", "5 Yawkey Way");
            user.setSingleAttribute("locality", "Boston");
            user.setSingleAttribute("region", "MA");
            user.setSingleAttribute("postal_code", "02115");
            user.setSingleAttribute("country", "USA");
            user.setSingleAttribute("phone", "617-777-6666");
            List<String> departments = Arrays.asList("finance", "development");
            user.setAttribute("departments", departments);
            ClientModel app = realm.getClientByClientId("test-app");
            ProtocolMapperModel mapper = AddressMapper.createAddressMapper(true, true);
            app.addProtocolMapper(mapper);
            ProtocolMapperModel hard = HardcodedClaim.create("hard", "hard", "coded", "String", false, null, true, true);
            app.addProtocolMapper(hard);
            app.addProtocolMapper(HardcodedClaim.create("hard-nested", "nested.hard", "coded-nested", "String", false, null, true, true));
            app.addProtocolMapper(UserAttributeMapper.createClaimMapper("custom phone", "phone", "home_phone", "String", true, "", true, true, false));
            app.addProtocolMapper(UserAttributeMapper.createClaimMapper("nested phone", "phone", "home.phone", "String", true, "", true, true, false));
            app.addProtocolMapper(UserAttributeMapper.createClaimMapper("departments", "departments", "department", "String", true, "", true, true, true));
            app.addProtocolMapper(HardcodedRole.create("hard-realm", "hardcoded"));
            app.addProtocolMapper(HardcodedRole.create("hard-app", "app.hardcoded"));
            app.addProtocolMapper(RoleNameMapper.create("rename-app-role", "test-app.customer-user", "realm-user"));
            session.getTransaction().commit();
            session.close();
        }

        {
            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);
            IDToken idToken = getIdToken(tokenResponse);
            Assert.assertNotNull(idToken.getAddress());
            Assert.assertEquals(idToken.getName(), "Tom Brady");
            Assert.assertEquals(idToken.getAddress().getStreetAddress(), "5 Yawkey Way");
            Assert.assertEquals(idToken.getAddress().getLocality(), "Boston");
            Assert.assertEquals(idToken.getAddress().getRegion(), "MA");
            Assert.assertEquals(idToken.getAddress().getPostalCode(), "02115");
            Assert.assertEquals(idToken.getAddress().getCountry(), "USA");
            Assert.assertNotNull(idToken.getOtherClaims().get("home_phone"));
            Assert.assertEquals("617-777-6666", idToken.getOtherClaims().get("home_phone"));
            Assert.assertEquals("coded", idToken.getOtherClaims().get("hard"));
            Map nested = (Map) idToken.getOtherClaims().get("nested");
            Assert.assertEquals("coded-nested", nested.get("hard"));
            nested = (Map) idToken.getOtherClaims().get("home");
            Assert.assertEquals("617-777-6666", nested.get("phone"));
            List<String> departments = (List<String>) idToken.getOtherClaims().get("department");
            Assert.assertEquals(2, departments.size());
            Assert.assertTrue(departments.contains("finance") && departments.contains("development"));

            AccessToken accessToken = getAccessToken(tokenResponse);
            Assert.assertEquals(accessToken.getName(), "Tom Brady");
            Assert.assertNotNull(accessToken.getAddress());
            Assert.assertEquals(accessToken.getAddress().getStreetAddress(), "5 Yawkey Way");
            Assert.assertEquals(accessToken.getAddress().getLocality(), "Boston");
            Assert.assertEquals(accessToken.getAddress().getRegion(), "MA");
            Assert.assertEquals(accessToken.getAddress().getPostalCode(), "02115");
            Assert.assertEquals(accessToken.getAddress().getCountry(), "USA");
            Assert.assertNotNull(accessToken.getOtherClaims().get("home_phone"));
            Assert.assertEquals("617-777-6666", accessToken.getOtherClaims().get("home_phone"));
            Assert.assertEquals("coded", accessToken.getOtherClaims().get("hard"));
            nested = (Map) accessToken.getOtherClaims().get("nested");
            Assert.assertEquals("coded-nested", nested.get("hard"));
            nested = (Map) accessToken.getOtherClaims().get("home");
            Assert.assertEquals("617-777-6666", nested.get("phone"));
            departments = (List<String>) idToken.getOtherClaims().get("department");
            Assert.assertEquals(2, departments.size());
            Assert.assertTrue(departments.contains("finance") && departments.contains("development"));
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains("hardcoded"));
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains("realm-user"));
            Assert.assertFalse(accessToken.getResourceAccess("test-app").getRoles().contains("customer-user"));
            Assert.assertTrue(accessToken.getResourceAccess("app").getRoles().contains("hardcoded"));


            response.close();
        }

        // undo mappers
        {
            KeycloakSession session = keycloakRule.startSession();
            RealmModel realm = session.realms().getRealmByName("test");
            ClientModel app = realm.getClientByClientId("test-app");
            for (ProtocolMapperModel model : app.getProtocolMappers()) {
                if (model.getName().equals("address")
                        || model.getName().equals("hard")
                        || model.getName().equals("hard-nested")
                        || model.getName().equals("custom phone")
                        || model.getName().equals("departments")
                        || model.getName().equals("nested phone")
                        || model.getName().equals("rename-app-role")
                        || model.getName().equals("hard-realm")
                        || model.getName().equals("hard-app")
                        ) {
                    app.removeProtocolMapper(model);
                }
            }
            session.getTransaction().commit();
            session.close();
        }

        events.clear();


        {
            Response response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);
            IDToken idToken = getIdToken(tokenResponse);
            Assert.assertNull(idToken.getAddress());
            Assert.assertNull(idToken.getOtherClaims().get("home_phone"));
            Assert.assertNull(idToken.getOtherClaims().get("hard"));
            Assert.assertNull(idToken.getOtherClaims().get("nested"));
            Assert.assertNull(idToken.getOtherClaims().get("department"));

            response.close();
        }


        events.clear();
        client.close();


    }

    @Test
    public void testClientTemplate() throws Exception {
        RealmResource realm = keycloak.realms().realm("test");
        RoleRepresentation realmRole = new RoleRepresentation();
        realmRole.setName("realm-test-role");
        realm.roles().create(realmRole);
        realmRole = realm.roles().get("realm-test-role").toRepresentation();
        RoleRepresentation realmRole2 = new RoleRepresentation();
        realmRole2.setName("realm-test-role2");
        realm.roles().create(realmRole2);
        realmRole2 = realm.roles().get("realm-test-role2").toRepresentation();


        List<UserRepresentation> users = realm.users().search("test-user@localhost", -1, -1);
        Assert.assertEquals(1, users.size());
        UserRepresentation user = users.get(0);

        List<RoleRepresentation> addRoles = new LinkedList<>();
        addRoles.add(realmRole);
        addRoles.add(realmRole2);
        realm.users().get(user.getId()).roles().realmLevel().add(addRoles);

        ClientTemplateRepresentation rep = new ClientTemplateRepresentation();
        rep.setName("template");
        rep.setProtocol("oidc");
        Response response = realm.clientTemplates().create(rep);
        Assert.assertEquals(201, response.getStatus());
        URI templateUri = response.getLocation();
        response.close();
        ClientTemplateResource templateResource = keycloak.proxy(ClientTemplateResource.class, templateUri);
        ProtocolMapperModel hard = HardcodedClaim.create("hard", "hard", "coded", "String", false, null, true, true);
        ProtocolMapperRepresentation mapper = ModelToRepresentation.toRepresentation(hard);
        response = templateResource.getProtocolMappers().createMapper(mapper);
        Assert.assertEquals(201, response.getStatus());
        response.close();
        List<ClientRepresentation> clients = realm.clients().findAll();
        ClientRepresentation clientRep = null;
        for (ClientRepresentation c : clients) {
            if (c.getClientId().equals("test-app")) {
                clientRep = c;
                break;
            }

        }
        clientRep.setClientTemplate("template");
        clientRep.setFullScopeAllowed(false);
        clientRep.setUseTemplateMappers(true);
        clientRep.setUseTemplateScope(true);
        clientRep.setUseTemplateConfig(true);
        realm.clients().get(clientRep.getId()).update(clientRep);

        {
            Client client = ClientBuilder.newClient();
            UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
            URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
            WebTarget grantTarget = client.target(grantUri);

            response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);
            IDToken idToken = getIdToken(tokenResponse);
            Assert.assertEquals("coded", idToken.getOtherClaims().get("hard"));

            AccessToken accessToken = getAccessToken(tokenResponse);
            Assert.assertEquals("coded", accessToken.getOtherClaims().get("hard"));

            // check zero scope for template
            Assert.assertFalse(accessToken.getRealmAccess().getRoles().contains(realmRole.getName()));
            Assert.assertFalse(accessToken.getRealmAccess().getRoles().contains(realmRole2.getName()));


            response.close();
            client.close();
        }

        // test that scope is added
        List<RoleRepresentation> addRole1 = new LinkedList<>();
        addRole1.add(realmRole);
        templateResource.getScopeMappings().realmLevel().add(addRole1);

        {
            Client client = ClientBuilder.newClient();
            UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
            URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
            WebTarget grantTarget = client.target(grantUri);

            response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);
            AccessToken accessToken = getAccessToken(tokenResponse);
            // check zero scope for template
            Assert.assertNotNull(accessToken.getRealmAccess());
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains(realmRole.getName()));
            Assert.assertFalse(accessToken.getRealmAccess().getRoles().contains(realmRole2.getName()));


            response.close();
            client.close();
        }

        // test combined scopes
        List<RoleRepresentation> addRole2 = new LinkedList<>();
        addRole2.add(realmRole2);
        realm.clients().get(clientRep.getId()).getScopeMappings().realmLevel().add(addRole2);

        {
            Client client = ClientBuilder.newClient();
            UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
            URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
            WebTarget grantTarget = client.target(grantUri);

            response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);

            AccessToken accessToken = getAccessToken(tokenResponse);

            // check zero scope for template
            Assert.assertNotNull(accessToken.getRealmAccess());
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains(realmRole.getName()));
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains(realmRole2.getName()));


            response.close();
            client.close();
        }

        // remove scopes and retest
        templateResource.getScopeMappings().realmLevel().remove(addRole1);
        realm.clients().get(clientRep.getId()).getScopeMappings().realmLevel().remove(addRole2);

        {
            Client client = ClientBuilder.newClient();
            UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
            URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
            WebTarget grantTarget = client.target(grantUri);

            response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);

            AccessToken accessToken = getAccessToken(tokenResponse);
            Assert.assertFalse(accessToken.getRealmAccess().getRoles().contains(realmRole.getName()));
            Assert.assertFalse(accessToken.getRealmAccess().getRoles().contains(realmRole2.getName()));


            response.close();
            client.close();
        }

        // test full scope on template
        rep.setFullScopeAllowed(true);
        templateResource.update(rep);

        {
            Client client = ClientBuilder.newClient();
            UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
            URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
            WebTarget grantTarget = client.target(grantUri);

            response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);

            AccessToken accessToken = getAccessToken(tokenResponse);

            // check zero scope for template
            Assert.assertNotNull(accessToken.getRealmAccess());
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains(realmRole.getName()));
            Assert.assertTrue(accessToken.getRealmAccess().getRoles().contains(realmRole2.getName()));


            response.close();
            client.close();
        }

        // test don't use template scope
        clientRep.setUseTemplateScope(false);
        realm.clients().get(clientRep.getId()).update(clientRep);

        {
            Client client = ClientBuilder.newClient();
            UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
            URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
            WebTarget grantTarget = client.target(grantUri);

            response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);

            AccessToken accessToken = getAccessToken(tokenResponse);
            Assert.assertFalse(accessToken.getRealmAccess().getRoles().contains(realmRole.getName()));
            Assert.assertFalse(accessToken.getRealmAccess().getRoles().contains(realmRole2.getName()));


            response.close();
            client.close();
        }




        // undo mappers
        clientRep.setClientTemplate(ClientTemplateRepresentation.NONE);
        clientRep.setFullScopeAllowed(true);
        realm.clients().get(clientRep.getId()).update(clientRep);
        realm.users().get(user.getId()).roles().realmLevel().remove(addRoles);
        realm.roles().get(realmRole.getName()).remove();
        realm.roles().get(realmRole2.getName()).remove();
        templateResource.remove();

        {
            Client client = ClientBuilder.newClient();
            UriBuilder builder = UriBuilder.fromUri(org.keycloak.testsuite.Constants.AUTH_SERVER_ROOT);
            URI grantUri = OIDCLoginProtocolService.tokenUrl(builder).build("test");
            WebTarget grantTarget = client.target(grantUri);

            response = executeGrantAccessTokenRequest(grantTarget);
            Assert.assertEquals(200, response.getStatus());
            org.keycloak.representations.AccessTokenResponse tokenResponse = response.readEntity(org.keycloak.representations.AccessTokenResponse.class);
            IDToken idToken = getIdToken(tokenResponse);
            Assert.assertNull(idToken.getOtherClaims().get("hard"));

            AccessToken accessToken = getAccessToken(tokenResponse);
            Assert.assertNull(accessToken.getOtherClaims().get("hard"));


            response.close();
            client.close();
        }
        events.clear();

    }

    // KEYCLOAK-1595 Assert that public client is able to retrieve token even if header "Authorization: Negotiate something" was used (parameter client_id has preference in this case)
    @Test
    public void testAuthorizationNegotiateHeaderIgnored() throws Exception {
        keycloakRule.configure(new KeycloakRule.KeycloakSetup() {
            @Override
            public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
                ClientModel client = KeycloakModelUtils.createClient(appRealm, "sample-public-client");
                client.addRedirectUri("http://localhost:8081/app/auth");
                client.setEnabled(true);
                client.setPublicClient(true);
            }
        });

        oauth.clientId("sample-public-client");
        oauth.doLogin("test-user@localhost", "password");
        Event loginEvent = events.expectLogin().client("sample-public-client").assertEvent();

        String sessionId = loginEvent.getSessionId();
        String codeId = loginEvent.getDetails().get(Details.CODE_ID);

        String code = oauth.getCurrentQuery().get(OAuth2Constants.CODE);

        CloseableHttpClient client = new DefaultHttpClient();
        try {
            HttpPost post = new HttpPost(oauth.getAccessTokenUrl());

            List<NameValuePair> parameters = new LinkedList<NameValuePair>();
            parameters.add(new BasicNameValuePair(OAuth2Constants.GRANT_TYPE, OAuth2Constants.AUTHORIZATION_CODE));
            parameters.add(new BasicNameValuePair(OAuth2Constants.CODE, code));
            parameters.add(new BasicNameValuePair(OAuth2Constants.REDIRECT_URI, oauth.getRedirectUri()));
            parameters.add(new BasicNameValuePair(OAuth2Constants.CLIENT_ID, oauth.getClientId()));
            post.setHeader("Authorization", "Negotiate something-which-will-be-ignored");

            UrlEncodedFormEntity formEntity = null;
            formEntity = new UrlEncodedFormEntity(parameters, "UTF-8");
            post.setEntity(formEntity);

            AccessTokenResponse response = new AccessTokenResponse(client.execute(post));
            Assert.assertEquals(200, response.getStatusCode());
            AccessToken token = oauth.verifyToken(response.getAccessToken());
            events.expectCodeToToken(codeId, sessionId).client("sample-public-client").assertEvent();
        } finally {
            oauth.closeClient(client);
        }
    }

    private IDToken getIdToken(org.keycloak.representations.AccessTokenResponse tokenResponse) throws JWSInputException {
        JWSInput input = new JWSInput(tokenResponse.getIdToken());
        return input.readJsonContent(IDToken.class);
    }

    private AccessToken getAccessToken(org.keycloak.representations.AccessTokenResponse tokenResponse) throws JWSInputException {
        JWSInput input = new JWSInput(tokenResponse.getToken());
        return input.readJsonContent(AccessToken.class);

    }

    protected Response executeGrantAccessTokenRequest(WebTarget grantTarget) {
        String username = "test-user@localhost";
        String password = "password";
        return executeGrantRequest(grantTarget, username, password);
    }

    protected Response executeGrantRequest(WebTarget grantTarget, String username, String password) {
        String header = BasicAuthHelper.createHeader("test-app", "password");
        Form form = new Form();
        form.param(OAuth2Constants.GRANT_TYPE, OAuth2Constants.PASSWORD)
                .param("username", username)
                .param("password", password);
        return grantTarget.request()
                .header(HttpHeaders.AUTHORIZATION, header)
                .post(Entity.form(form));
    }


}
