// Moved to static method, so it's possible to test this from other places too (for example
// export-import tests)
public static void assertDataImportedInRealm(RealmModel realm) {
Assert.assertTrue(realm.isVerifyEmail());
Assert.assertFalse(realm.isUpdateProfileOnInitialSocialLogin());
List<RequiredCredentialModel> creds = realm.getRequiredCredentials();
Assert.assertEquals(1, creds.size());
RequiredCredentialModel cred = creds.get(0);
Assert.assertEquals("password", cred.getFormLabel());
Assert.assertEquals(2, realm.getDefaultRoles().size());
Assert.assertNotNull(realm.getRole("foo"));
Assert.assertNotNull(realm.getRole("bar"));
UserModel user = realm.getUser("loginclient");
Assert.assertNotNull(user);
Assert.assertEquals(0, realm.getSocialLinks(user).size());
List<ApplicationModel> resources = realm.getApplications();
for (ApplicationModel app : resources) {
System.out.println("app: " + app.getName());
}
Assert.assertEquals(5, resources.size());
// Test applications imported
ApplicationModel application = realm.getApplicationByName("Application");
ApplicationModel otherApp = realm.getApplicationByName("OtherApp");
ApplicationModel accountApp = realm.getApplicationByName(Constants.ACCOUNT_MANAGEMENT_APP);
ApplicationModel nonExisting = realm.getApplicationByName("NonExisting");
Assert.assertNotNull(application);
Assert.assertNotNull(otherApp);
Assert.assertNull(nonExisting);
Map<String, ApplicationModel> apps = realm.getApplicationNameMap();
Assert.assertEquals(5, apps.size());
Assert.assertTrue(apps.values().contains(application));
Assert.assertTrue(apps.values().contains(otherApp));
Assert.assertTrue(apps.values().contains(accountApp));
realm.getApplications().containsAll(apps.values());
// Test finding applications by ID
Assert.assertNull(realm.getApplicationById("982734"));
Assert.assertEquals(application, realm.getApplicationById(application.getId()));
// Test role mappings
UserModel admin = realm.getUser("admin");
Set<RoleModel> allRoles = realm.getRoleMappings(admin);
Assert.assertEquals(5, allRoles.size());
Assert.assertTrue(allRoles.contains(realm.getRole("admin")));
Assert.assertTrue(allRoles.contains(application.getRole("app-admin")));
Assert.assertTrue(allRoles.contains(otherApp.getRole("otherapp-admin")));
Assert.assertTrue(allRoles.contains(accountApp.getRole(AccountRoles.VIEW_PROFILE)));
Assert.assertTrue(allRoles.contains(accountApp.getRole(AccountRoles.MANAGE_ACCOUNT)));
UserModel wburke = realm.getUser("wburke");
allRoles = realm.getRoleMappings(wburke);
Assert.assertEquals(4, allRoles.size());
Assert.assertFalse(allRoles.contains(realm.getRole("admin")));
Assert.assertTrue(allRoles.contains(application.getRole("app-user")));
Assert.assertTrue(allRoles.contains(otherApp.getRole("otherapp-user")));
Assert.assertEquals(0, realm.getRealmRoleMappings(wburke).size());
Set<RoleModel> realmRoles = realm.getRealmRoleMappings(admin);
Assert.assertEquals(1, realmRoles.size());
Assert.assertEquals("admin", realmRoles.iterator().next().getName());
Set<RoleModel> appRoles = application.getApplicationRoleMappings(admin);
Assert.assertEquals(1, appRoles.size());
Assert.assertEquals("app-admin", appRoles.iterator().next().getName());
// Test client
ClientModel oauthClient = realm.findClient("oauthclient");
Assert.assertEquals("clientpassword", oauthClient.getSecret());
Assert.assertEquals(true, oauthClient.isEnabled());
Assert.assertNotNull(oauthClient);
// Test scope relationship
Set<RoleModel> allScopes = realm.getScopeMappings(oauthClient);
Assert.assertEquals(2, allScopes.size());
Assert.assertTrue(allScopes.contains(realm.getRole("admin")));
Assert.assertTrue(allScopes.contains(application.getRole("app-user")));
Set<RoleModel> realmScopes = realm.getRealmScopeMappings(oauthClient);
Assert.assertTrue(realmScopes.contains(realm.getRole("admin")));
Set<RoleModel> appScopes = application.getApplicationScopeMappings(oauthClient);
Assert.assertTrue(appScopes.contains(application.getRole("app-user")));
// Test social linking
UserModel socialUser = realm.getUser("mySocialUser");
Set<SocialLinkModel> socialLinks = realm.getSocialLinks(socialUser);
Assert.assertEquals(3, socialLinks.size());
boolean facebookFound = false;
boolean googleFound = false;
boolean twitterFound = false;
for (SocialLinkModel socialLinkModel : socialLinks) {
if ("facebook".equals(socialLinkModel.getSocialProvider())) {
facebookFound = true;
Assert.assertEquals(socialLinkModel.getSocialUserId(), "facebook1");
Assert.assertEquals(socialLinkModel.getSocialUsername(), "fbuser1");
} else if ("google".equals(socialLinkModel.getSocialProvider())) {
googleFound = true;
Assert.assertEquals(socialLinkModel.getSocialUserId(), "google1");
Assert.assertEquals(socialLinkModel.getSocialUsername(), "*****@*****.**");
} else if ("twitter".equals(socialLinkModel.getSocialProvider())) {
twitterFound = true;
Assert.assertEquals(socialLinkModel.getSocialUserId(), "twitter1");
Assert.assertEquals(socialLinkModel.getSocialUsername(), "twuser1");
}
}
Assert.assertTrue(facebookFound && twitterFound && googleFound);
UserModel foundSocialUser =
realm.getUserBySocialLink(new SocialLinkModel("facebook", "facebook1", "fbuser1"));
Assert.assertEquals(foundSocialUser.getLoginName(), socialUser.getLoginName());
Assert.assertNull(
realm.getUserBySocialLink(new SocialLinkModel("facebook", "not-existing", "not-existing")));
SocialLinkModel foundSocialLink = realm.getSocialLink(socialUser, "facebook");
Assert.assertEquals("facebook1", foundSocialLink.getSocialUserId());
Assert.assertEquals("fbuser1", foundSocialLink.getSocialUsername());
Assert.assertEquals("facebook", foundSocialLink.getSocialProvider());
// Test removing social link
Assert.assertTrue(realm.removeSocialLink(socialUser, "facebook"));
Assert.assertNull(realm.getSocialLink(socialUser, "facebook"));
Assert.assertFalse(realm.removeSocialLink(socialUser, "facebook"));
// Test smtp config
Map<String, String> smtpConfig = realm.getSmtpConfig();
Assert.assertTrue(smtpConfig.size() == 3);
Assert.assertEquals("*****@*****.**", smtpConfig.get("from"));
Assert.assertEquals("localhost", smtpConfig.get("host"));
Assert.assertEquals("3025", smtpConfig.get("port"));
// Test social config
Map<String, String> socialConfig = realm.getSocialConfig();
Assert.assertTrue(socialConfig.size() == 2);
Assert.assertEquals("abc", socialConfig.get("google.key"));
Assert.assertEquals("def", socialConfig.get("google.secret"));
// Test ldap config
Map<String, String> ldapConfig = realm.getLdapServerConfig();
Assert.assertTrue(ldapConfig.size() == 5);
Assert.assertEquals("ldap://localhost:10389", ldapConfig.get("connectionUrl"));
Assert.assertEquals("dc=keycloak,dc=org", ldapConfig.get("baseDn"));
Assert.assertEquals("ou=People,dc=keycloak,dc=org", ldapConfig.get("userDnSuffix"));
// Test authentication providers
List<AuthenticationProviderModel> authProviderModels = realm.getAuthenticationProviders();
Assert.assertTrue(authProviderModels.size() == 3);
AuthenticationProviderModel authProv1 = authProviderModels.get(0);
AuthenticationProviderModel authProv2 = authProviderModels.get(1);
AuthenticationProviderModel authProv3 = authProviderModels.get(2);
Assert.assertEquals(AuthProviderConstants.PROVIDER_NAME_MODEL, authProv1.getProviderName());
Assert.assertTrue(authProv1.isPasswordUpdateSupported());
Assert.assertEquals(
AuthProviderConstants.PROVIDER_NAME_EXTERNAL_MODEL, authProv2.getProviderName());
Assert.assertFalse(authProv2.isPasswordUpdateSupported());
Assert.assertEquals("trustedRealm", authProv2.getConfig().get("externalRealmId"));
Assert.assertEquals(
AuthProviderConstants.PROVIDER_NAME_PICKETLINK, authProv3.getProviderName());
Assert.assertTrue(authProv3.isPasswordUpdateSupported());
// Test authentication linking
AuthenticationLinkModel authLink = realm.getAuthenticationLink(socialUser);
Assert.assertEquals(AuthProviderConstants.PROVIDER_NAME_PICKETLINK, authLink.getAuthProvider());
Assert.assertEquals("myUser1", authLink.getAuthUserId());
}
// Moved to static method, so it's possible to test this from other places too (for example
// export-import tests)
public static void assertDataImportedInRealm(KeycloakSession session, RealmModel realm) {
Assert.assertTrue(realm.isVerifyEmail());
List<RequiredCredentialModel> creds = realm.getRequiredCredentials();
Assert.assertEquals(1, creds.size());
RequiredCredentialModel cred = creds.get(0);
Assert.assertEquals("password", cred.getFormLabel());
Assert.assertEquals(3, realm.getDefaultRoles().size());
Assert.assertNotNull(realm.getRole("foo"));
Assert.assertNotNull(realm.getRole("bar"));
UserModel user = session.users().getUserByUsername("loginclient", realm);
Assert.assertNotNull(user);
Assert.assertEquals(0, session.users().getFederatedIdentities(user, realm).size());
List<ClientModel> resources = realm.getClients();
Assert.assertEquals(7, resources.size());
// Test applications imported
ClientModel application = realm.getClientByClientId("Application");
ClientModel otherApp = realm.getClientByClientId("OtherApp");
ClientModel accountApp = realm.getClientByClientId(Constants.ACCOUNT_MANAGEMENT_CLIENT_ID);
ClientModel nonExisting = realm.getClientByClientId("NonExisting");
Assert.assertNotNull(application);
Assert.assertNotNull(otherApp);
Assert.assertNull(nonExisting);
Map<String, ClientModel> clients = realm.getClientNameMap();
Assert.assertEquals(7, clients.size());
Assert.assertTrue(clients.values().contains(application));
Assert.assertTrue(clients.values().contains(otherApp));
Assert.assertTrue(clients.values().contains(accountApp));
realm.getClients().containsAll(clients.values());
Assert.assertEquals("Applicationn", application.getName());
Assert.assertEquals(50, application.getNodeReRegistrationTimeout());
Map<String, Integer> appRegisteredNodes = application.getRegisteredNodes();
Assert.assertEquals(2, appRegisteredNodes.size());
Assert.assertTrue(10 == appRegisteredNodes.get("node1"));
Assert.assertTrue(20 == appRegisteredNodes.get("172.10.15.20"));
// test clientAuthenticatorType
Assert.assertEquals(application.getClientAuthenticatorType(), "client-secret");
Assert.assertEquals(otherApp.getClientAuthenticatorType(), "client-jwt");
// Test finding applications by ID
Assert.assertNull(realm.getClientById("982734"));
Assert.assertEquals(application, realm.getClientById(application.getId()));
// Test role mappings
UserModel admin = session.users().getUserByUsername("admin", realm);
// user without creation timestamp in import
Assert.assertNull(admin.getCreatedTimestamp());
Set<RoleModel> allRoles = admin.getRoleMappings();
Assert.assertEquals(3, allRoles.size());
Assert.assertTrue(allRoles.contains(realm.getRole("admin")));
Assert.assertTrue(allRoles.contains(application.getRole("app-admin")));
Assert.assertTrue(allRoles.contains(otherApp.getRole("otherapp-admin")));
Assert.assertTrue(application.getRole("app-admin").isScopeParamRequired());
Assert.assertFalse(otherApp.getRole("otherapp-admin").isScopeParamRequired());
Assert.assertFalse(otherApp.getRole("otherapp-user").isScopeParamRequired());
UserModel wburke = session.users().getUserByUsername("wburke", realm);
// user with creation timestamp in import
Assert.assertEquals(new Long(123654), wburke.getCreatedTimestamp());
allRoles = wburke.getRoleMappings();
Assert.assertEquals(2, allRoles.size());
Assert.assertFalse(allRoles.contains(realm.getRole("admin")));
Assert.assertTrue(allRoles.contains(application.getRole("app-user")));
Assert.assertTrue(allRoles.contains(otherApp.getRole("otherapp-user")));
Assert.assertEquals(0, wburke.getRealmRoleMappings().size());
UserModel loginclient = session.users().getUserByUsername("loginclient", realm);
// user with creation timestamp as string in import
Assert.assertEquals(new Long(123655), loginclient.getCreatedTimestamp());
Set<RoleModel> realmRoles = admin.getRealmRoleMappings();
Assert.assertEquals(1, realmRoles.size());
Assert.assertEquals("admin", realmRoles.iterator().next().getName());
Set<RoleModel> appRoles = admin.getClientRoleMappings(application);
Assert.assertEquals(1, appRoles.size());
Assert.assertEquals("app-admin", appRoles.iterator().next().getName());
// Test attributes
Map<String, List<String>> attrs = wburke.getAttributes();
Assert.assertEquals(1, attrs.size());
List<String> attrVals = attrs.get("email");
Assert.assertEquals(1, attrVals.size());
Assert.assertEquals("*****@*****.**", attrVals.get(0));
attrs = admin.getAttributes();
Assert.assertEquals(2, attrs.size());
attrVals = attrs.get("key1");
Assert.assertEquals(1, attrVals.size());
Assert.assertEquals("val1", attrVals.get(0));
attrVals = attrs.get("key2");
Assert.assertEquals(2, attrVals.size());
Assert.assertTrue(attrVals.contains("val21") && attrVals.contains("val22"));
// Test client
ClientModel oauthClient = realm.getClientByClientId("oauthclient");
Assert.assertEquals("clientpassword", oauthClient.getSecret());
Assert.assertEquals(true, oauthClient.isEnabled());
Assert.assertNotNull(oauthClient);
// Test scope relationship
Set<RoleModel> allScopes = oauthClient.getScopeMappings();
Assert.assertEquals(2, allScopes.size());
Assert.assertTrue(allScopes.contains(realm.getRole("admin")));
Assert.assertTrue(allScopes.contains(application.getRole("app-user")));
Set<RoleModel> realmScopes = oauthClient.getRealmScopeMappings();
Assert.assertTrue(realmScopes.contains(realm.getRole("admin")));
Set<RoleModel> appScopes = application.getClientScopeMappings(oauthClient);
Assert.assertTrue(appScopes.contains(application.getRole("app-user")));
// Test social linking
UserModel socialUser = session.users().getUserByUsername("mySocialUser", realm);
Set<FederatedIdentityModel> socialLinks =
session.users().getFederatedIdentities(socialUser, realm);
Assert.assertEquals(3, socialLinks.size());
boolean facebookFound = false;
boolean googleFound = false;
boolean twitterFound = false;
for (FederatedIdentityModel federatedIdentityModel : socialLinks) {
if ("facebook".equals(federatedIdentityModel.getIdentityProvider())) {
facebookFound = true;
Assert.assertEquals(federatedIdentityModel.getUserId(), "facebook1");
Assert.assertEquals(federatedIdentityModel.getUserName(), "fbuser1");
} else if ("google".equals(federatedIdentityModel.getIdentityProvider())) {
googleFound = true;
Assert.assertEquals(federatedIdentityModel.getUserId(), "google1");
Assert.assertEquals(federatedIdentityModel.getUserName(), "*****@*****.**");
} else if ("twitter".equals(federatedIdentityModel.getIdentityProvider())) {
twitterFound = true;
Assert.assertEquals(federatedIdentityModel.getUserId(), "twitter1");
Assert.assertEquals(federatedIdentityModel.getUserName(), "twuser1");
}
}
Assert.assertTrue(facebookFound && twitterFound && googleFound);
UserModel foundSocialUser =
session
.users()
.getUserByFederatedIdentity(
new FederatedIdentityModel("facebook", "facebook1", "fbuser1"), realm);
Assert.assertEquals(foundSocialUser.getUsername(), socialUser.getUsername());
Assert.assertNull(
session
.users()
.getUserByFederatedIdentity(
new FederatedIdentityModel("facebook", "not-existing", "not-existing"), realm));
FederatedIdentityModel foundSocialLink =
session.users().getFederatedIdentity(socialUser, "facebook", realm);
Assert.assertEquals("facebook1", foundSocialLink.getUserId());
Assert.assertEquals("fbuser1", foundSocialLink.getUserName());
Assert.assertEquals("facebook", foundSocialLink.getIdentityProvider());
// Test removing social link
Assert.assertTrue(session.users().removeFederatedIdentity(realm, socialUser, "facebook"));
Assert.assertNull(session.users().getFederatedIdentity(socialUser, "facebook", realm));
Assert.assertFalse(session.users().removeFederatedIdentity(realm, socialUser, "facebook"));
session
.users()
.addFederatedIdentity(
realm, socialUser, new FederatedIdentityModel("facebook", "facebook1", "fbuser1"));
// Test smtp config
Map<String, String> smtpConfig = realm.getSmtpConfig();
Assert.assertTrue(smtpConfig.size() == 3);
Assert.assertEquals("*****@*****.**", smtpConfig.get("from"));
Assert.assertEquals("localhost", smtpConfig.get("host"));
Assert.assertEquals("3025", smtpConfig.get("port"));
// Test identity providers
List<IdentityProviderModel> identityProviders = realm.getIdentityProviders();
Assert.assertEquals(1, identityProviders.size());
IdentityProviderModel google = identityProviders.get(0);
Assert.assertEquals("google1", google.getAlias());
Assert.assertEquals("google", google.getProviderId());
Assert.assertTrue(google.isEnabled());
Assert.assertEquals("googleId", google.getConfig().get("clientId"));
Assert.assertEquals("googleSecret", google.getConfig().get("clientSecret"));
// Test federation providers
List<UserFederationProviderModel> fedProviders = realm.getUserFederationProviders();
Assert.assertTrue(fedProviders.size() == 2);
UserFederationProviderModel ldap1 = fedProviders.get(0);
Assert.assertEquals("MyLDAPProvider1", ldap1.getDisplayName());
Assert.assertEquals("ldap", ldap1.getProviderName());
Assert.assertEquals(1, ldap1.getPriority());
Assert.assertEquals("ldap://foo", ldap1.getConfig().get(LDAPConstants.CONNECTION_URL));
UserFederationProviderModel ldap2 = fedProviders.get(1);
Assert.assertEquals("MyLDAPProvider2", ldap2.getDisplayName());
Assert.assertEquals("ldap://bar", ldap2.getConfig().get(LDAPConstants.CONNECTION_URL));
// Test federation mappers
Set<UserFederationMapperModel> fedMappers1 =
realm.getUserFederationMappersByFederationProvider(ldap1.getId());
Assert.assertTrue(fedMappers1.size() == 1);
UserFederationMapperModel fullNameMapper = fedMappers1.iterator().next();
Assert.assertEquals("FullNameMapper", fullNameMapper.getName());
Assert.assertEquals(
FullNameLDAPFederationMapperFactory.PROVIDER_ID, fullNameMapper.getFederationMapperType());
Assert.assertEquals(ldap1.getId(), fullNameMapper.getFederationProviderId());
Assert.assertEquals(
"cn",
fullNameMapper.getConfig().get(FullNameLDAPFederationMapper.LDAP_FULL_NAME_ATTRIBUTE));
// All builtin LDAP mappers should be here
Set<UserFederationMapperModel> fedMappers2 =
realm.getUserFederationMappersByFederationProvider(ldap2.getId());
Assert.assertTrue(fedMappers2.size() > 3);
Set<UserFederationMapperModel> allMappers = realm.getUserFederationMappers();
Assert.assertEquals(allMappers.size(), fedMappers1.size() + fedMappers2.size());
// Assert that federation link wasn't created during import
UserFederationProviderFactory factory =
(UserFederationProviderFactory)
session
.getKeycloakSessionFactory()
.getProviderFactory(UserFederationProvider.class, "dummy");
Assert.assertNull(factory.getInstance(session, null).getUserByUsername(realm, "wburke"));
// Test builtin authentication flows
AuthenticationFlowModel clientFlow = realm.getClientAuthenticationFlow();
Assert.assertEquals(
DefaultAuthenticationFlows.CLIENT_AUTHENTICATION_FLOW, clientFlow.getAlias());
Assert.assertNotNull(realm.getAuthenticationFlowById(clientFlow.getId()));
Assert.assertTrue(realm.getAuthenticationExecutions(clientFlow.getId()).size() > 0);
AuthenticationFlowModel resetFlow = realm.getResetCredentialsFlow();
Assert.assertEquals(DefaultAuthenticationFlows.RESET_CREDENTIALS_FLOW, resetFlow.getAlias());
Assert.assertNotNull(realm.getAuthenticationFlowById(resetFlow.getId()));
Assert.assertTrue(realm.getAuthenticationExecutions(resetFlow.getId()).size() > 0);
// Test protocol mappers. Default application has all the builtin protocol mappers. OtherApp
// just gss credential
Assert.assertNotNull(
application.getProtocolMapperByName(OIDCLoginProtocol.LOGIN_PROTOCOL, "username"));
Assert.assertNotNull(
application.getProtocolMapperByName(OIDCLoginProtocol.LOGIN_PROTOCOL, "email"));
Assert.assertNotNull(
application.getProtocolMapperByName(OIDCLoginProtocol.LOGIN_PROTOCOL, "given name"));
Assert.assertNull(
application.getProtocolMapperByName(
OIDCLoginProtocol.LOGIN_PROTOCOL,
KerberosConstants.GSS_DELEGATION_CREDENTIAL_DISPLAY_NAME));
Assert.assertEquals(1, otherApp.getProtocolMappers().size());
Assert.assertNull(
otherApp.getProtocolMapperByName(OIDCLoginProtocol.LOGIN_PROTOCOL, "username"));
ProtocolMapperModel gssCredentialMapper =
otherApp.getProtocolMapperByName(
OIDCLoginProtocol.LOGIN_PROTOCOL,
KerberosConstants.GSS_DELEGATION_CREDENTIAL_DISPLAY_NAME);
Assert.assertEquals(
KerberosConstants.GSS_DELEGATION_CREDENTIAL_DISPLAY_NAME, gssCredentialMapper.getName());
Assert.assertEquals(OIDCLoginProtocol.LOGIN_PROTOCOL, gssCredentialMapper.getProtocol());
Assert.assertEquals(UserSessionNoteMapper.PROVIDER_ID, gssCredentialMapper.getProtocolMapper());
String includeInAccessToken =
gssCredentialMapper.getConfig().get(OIDCAttributeMapperHelper.INCLUDE_IN_ACCESS_TOKEN);
String includeInIdToken =
gssCredentialMapper.getConfig().get(OIDCAttributeMapperHelper.INCLUDE_IN_ID_TOKEN);
Assert.assertTrue(includeInAccessToken.equalsIgnoreCase("true"));
Assert.assertTrue(includeInIdToken == null || Boolean.parseBoolean(includeInIdToken) == false);
// Test user consents
admin = session.users().getUserByUsername("admin", realm);
Assert.assertEquals(2, admin.getConsents().size());
UserConsentModel appAdminConsent = admin.getConsentByClient(application.getId());
Assert.assertEquals(2, appAdminConsent.getGrantedRoles().size());
Assert.assertTrue(
appAdminConsent.getGrantedProtocolMappers() == null
|| appAdminConsent.getGrantedProtocolMappers().isEmpty());
Assert.assertTrue(appAdminConsent.isRoleGranted(realm.getRole("admin")));
Assert.assertTrue(appAdminConsent.isRoleGranted(application.getRole("app-admin")));
UserConsentModel otherAppAdminConsent = admin.getConsentByClient(otherApp.getId());
Assert.assertEquals(1, otherAppAdminConsent.getGrantedRoles().size());
Assert.assertEquals(1, otherAppAdminConsent.getGrantedProtocolMappers().size());
Assert.assertTrue(otherAppAdminConsent.isRoleGranted(realm.getRole("admin")));
Assert.assertFalse(otherAppAdminConsent.isRoleGranted(application.getRole("app-admin")));
Assert.assertTrue(otherAppAdminConsent.isProtocolMapperGranted(gssCredentialMapper));
// Test service accounts
Assert.assertFalse(application.isServiceAccountsEnabled());
Assert.assertTrue(otherApp.isServiceAccountsEnabled());
Assert.assertNull(session.users().getUserByServiceAccountClient(application));
UserModel linked = session.users().getUserByServiceAccountClient(otherApp);
Assert.assertNotNull(linked);
Assert.assertEquals("my-service-user", linked.getUsername());
}