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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.stratos.tenant.mgt.core;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.CarbonConstants;
import org.wso2.carbon.registry.core.RegistryConstants;
import org.wso2.carbon.registry.core.Resource;
import org.wso2.carbon.registry.core.exceptions.RegistryException;
import org.wso2.carbon.registry.core.session.UserRegistry;
import org.apache.stratos.common.config.CloudServiceConfigParser;
import org.apache.stratos.common.config.CloudServicesDescConfig;
import org.apache.stratos.common.constants.StratosConstants;
import org.apache.stratos.common.util.CloudServicesUtil;
import org.apache.stratos.common.util.CommonUtil;
import org.apache.stratos.tenant.mgt.core.internal.TenantMgtCoreServiceComponent;
import org.apache.stratos.tenant.mgt.core.util.TenantCoreUtil;
import org.wso2.carbon.user.api.RealmConfiguration;
import org.wso2.carbon.user.api.TenantMgtConfiguration;
import org.wso2.carbon.user.core.*;
import org.wso2.carbon.user.core.config.multitenancy.MultiTenantRealmConfigBuilder;
import org.wso2.carbon.user.core.service.RealmService;
import org.wso2.carbon.user.core.tenant.Tenant;
import org.wso2.carbon.user.core.tenant.TenantManager;
import org.wso2.carbon.user.mgt.UserMgtConstants;
import org.wso2.carbon.utils.multitenancy.MultitenantConstants;
/**
* TenantPersistenceManager - Methods related to persisting the tenant.
*/
public class TenantPersistor {
private static final Log log = LogFactory.getLog(TenantPersistor.class);
private static final String ILLEGAL_CHARACTERS_FOR_PATH = ".*[~!#$;%^*()+={}\\[\\]\\|\\\\<>].*";
private static CloudServicesDescConfig cloudServicesDesc = null;
/**
* Persists the given tenant
* @param tenant - tenant to be persisted
* @param checkDomainValidation - true, if domain is validated.
* @param successKey - successKey
* @param originatedService - The Service that the tenant registration was originated.
* @return tenant Id - the tenant id
* @throws Exception, if persisting tenant failed.
*/
public int persistTenant(Tenant tenant, boolean checkDomainValidation, String successKey,
String originatedService,boolean isSkeleton) throws Exception {
int tenantId = 0;
if(!isSkeleton){
tenantId=persistTenantInUserStore(tenant,checkDomainValidation,successKey);
}else {
tenantId=tenant.getId();
}
try {
doPostTenantCreationActions(tenant, originatedService);
} catch (Exception e) {
String msg = "Error performing post tenant creation actions";
throw new Exception(msg, e);
}
return tenantId;
}
private int persistTenantInUserStore(Tenant tenant, boolean checkDomainValidation, String successKey) throws Exception {
int tenantId;
validateAdminUserName(tenant);
String tenantDomain = tenant.getDomain();
boolean isDomainAvailable = CommonUtil.isDomainNameAvailable(tenantDomain);
if (!isDomainAvailable) {
throw new Exception("Domain is not available to register");
}
RealmService realmService = TenantMgtCoreServiceComponent.getRealmService();
RealmConfiguration realmConfig = realmService.getBootstrapRealmConfiguration();
TenantMgtConfiguration tenantMgtConfiguration = realmService.getTenantMgtConfiguration();
MultiTenantRealmConfigBuilder builder = TenantMgtCoreServiceComponent.
getRealmService().getMultiTenantRealmConfigBuilder();
RealmConfiguration realmConfigToPersist =
builder.getRealmConfigForTenantToPersist(realmConfig, tenantMgtConfiguration,
tenant, -1);
tenant.setRealmConfig(realmConfigToPersist);
tenantId = addTenant(tenant);
tenant.setId(tenantId);
if (checkDomainValidation) {
if (successKey != null) {
if (CommonUtil.validateDomainFromSuccessKey(TenantMgtCoreServiceComponent.
getGovernanceSystemRegistry(MultitenantConstants.SUPER_TENANT_ID),
tenant.getDomain(), successKey)) {
storeDomainValidationFlagToRegistry(tenant);
} else {
String msg = "Failed to validate domain";
throw new Exception(msg);
}
}
} else {
storeDomainValidationFlagToRegistry(tenant);
}
updateTenantAdminPassword(tenant);
return tenantId;
}
private void doPostTenantCreationActions(Tenant tenant,
String originatedService) throws Exception {
TenantMgtCoreServiceComponent.getRegistryLoader().loadTenantRegistry(tenant.getId());
copyUIPermissions(tenant.getId());
TenantCoreUtil.setOriginatedService(tenant.getId(), originatedService);
setActivationFlags(tenant.getId(), originatedService);
TenantCoreUtil.initializeRegistry(tenant.getId());
}
/**
* Store the domain validation flag in the registry if the domain has been
* validated.
*
* @param tenant - the tenant
* @throws RegistryException, if storing the domain validation flag failed.
*/
protected void storeDomainValidationFlagToRegistry(Tenant tenant) throws RegistryException {
try {
String domainValidationPath = StratosConstants.TENANT_DOMAIN_VERIFICATION_FLAG_PATH +
RegistryConstants.PATH_SEPARATOR + tenant.getId();
UserRegistry superTenantRegistry = TenantMgtCoreServiceComponent.
getGovernanceSystemRegistry(MultitenantConstants.SUPER_TENANT_ID);
Resource validationFlagR = superTenantRegistry.newResource();
validationFlagR.setProperty(tenant.getDomain(), "true");
superTenantRegistry.put(domainValidationPath, validationFlagR);
} catch (RegistryException e) {
String msg = "Error in storing the domain validation flag to the registry";
log.error(msg, e);
throw new RegistryException(msg, e);
}
if (log.isDebugEnabled()) {
log.debug("Domain Validation Flag is stored to the registry.");
}
}
/**
* Adds a tenant to the tenant manager
*
* @param tenant - the tenant
* @return tenantId - the tenant id
* @throws Exception - UserStoreException
*/
private int addTenant(Tenant tenant) throws Exception {
int tenantId;
TenantManager tenantManager = TenantMgtCoreServiceComponent.getTenantManager();
try {
tenantId = tenantManager.addTenant(tenant);
if (log.isDebugEnabled()) {
log.debug("Tenant is successfully added: " + tenant.getDomain());
}
} catch (UserStoreException e) {
String msg = "Error in adding tenant with domain: " + tenant.getDomain();
log.error(msg, e);
throw new Exception(msg, e);
}
return tenantId;
}
/**
* Sets the password for the tenant
*
* @param tenant - the tenant
* @throws Exception - UserStoreException
*/
private void updateTenantAdminPassword(Tenant tenant) throws Exception {
RealmService realmService = TenantMgtCoreServiceComponent.getRealmService();
UserRealm userRealm;
try {
userRealm = (UserRealm) realmService.getTenantUserRealm(tenant.getId());
} catch (UserStoreException e) {
String msg = "Error in creating Realm for tenant: " + tenant.getDomain();
throw new Exception(msg, e);
}
try {
UserStoreManager userStoreManager = userRealm.getUserStoreManager();
if (!userStoreManager.isReadOnly()) {
userStoreManager.updateCredentialByAdmin(tenant.getAdminName(),
tenant.getAdminPassword());
if (log.isDebugEnabled()) {
log.debug("Successfully set the password for the tenant.");
}
}
} catch (UserStoreException e) {
String msg = "Error in changing the tenant admin password for tenant domain: " +
tenant.getDomain() + ".";
log.error(msg, e);
throw new Exception(msg, e);
}
}
/**
* Authorize the role
*
* @param tenantId - tenant id
* @throws Exception - UserStoreException
*/
protected void copyUIPermissions(int tenantId) throws Exception {
try {
UserRealm realm = (UserRealm) TenantMgtCoreServiceComponent.
getRealmService().getTenantUserRealm(tenantId);
String adminRole = realm.getRealmConfiguration().getAdminRoleName();
AuthorizationManager authMan = realm.getAuthorizationManager();
// Authorize the admin role, if not authorized yet.
if (!authMan.isRoleAuthorized(adminRole,
CarbonConstants.UI_ADMIN_PERMISSION_COLLECTION,
UserMgtConstants.EXECUTE_ACTION)) {
authMan.authorizeRole(adminRole, CarbonConstants.UI_ADMIN_PERMISSION_COLLECTION,
UserMgtConstants.EXECUTE_ACTION);
}
} catch (UserStoreException e) {
String msg = "Error in authorizing the admin role.";
log.error(msg, e);
throw new Exception(msg, e);
}
if (log.isDebugEnabled()) {
log.debug("Role has successfully been authorized.");
}
}
protected void setActivationFlags(int tenantId, String originalService) throws Exception {
boolean useDefaultConfig = true;
try {
if(cloudServicesDesc == null ) {
cloudServicesDesc = CloudServiceConfigParser.loadCloudServicesConfiguration();
}
if (originalService != null &&
!originalService.equals(StratosConstants.CLOUD_MANAGER_SERVICE) ) {
CloudServicesUtil.activateOriginalAndCompulsoryServices(cloudServicesDesc,
originalService, tenantId);
useDefaultConfig = false;
}
if (useDefaultConfig) {
CloudServicesUtil.activateAllServices(cloudServicesDesc, tenantId);
}
} catch (Exception e) {
log.error("Error registering the originated service", e);
throw e;
}
}
/**
* Validates that the chosen AdminUserName is valid.
*
* @param tenant
* tenant information
* @throws Exception
* UserStoreException
*/
private void validateAdminUserName(Tenant tenant) throws Exception {
UserRealm superTenantUserRealm =
TenantMgtCoreServiceComponent.getRealmService().
getBootstrapRealm();
RealmConfiguration realmConfig = TenantMgtCoreServiceComponent.
getBootstrapRealmConfiguration();
String uniqueAcrossTenants = realmConfig.getUserStoreProperty(
UserCoreConstants.RealmConfig.PROPERTY_USERNAME_UNIQUE);
if ("true".equals(uniqueAcrossTenants)) {
try {
if (superTenantUserRealm.getUserStoreManager().isExistingUser(
tenant.getAdminName())) {
throw new Exception("User name : " + tenant.getAdminName() +
" exists in the system. " +
"Please pick another user name for tenant Administrator.");
}
} catch (UserStoreException e) {
String msg = "Error in checking whether the user already exists in the system";
log.error(msg, e);
throw new Exception(msg, e);
}
}
if (tenant.getAdminName().matches(TenantPersistor.ILLEGAL_CHARACTERS_FOR_PATH)) {
String msg = "The tenant admin ' " + tenant.getAdminName() +
" ' contains one or more illegal characters" +
" (~!@#$;%^*()+={}[]|\\<>)";
log.error(msg);
throw new Exception(msg);
}
if (log.isDebugEnabled()) {
log.debug("Admin User Name has been validated.");
}
}
/**
* Persists the given tenant
* @param tenant - tenant to be persisted
* @return tenant Id
* @throws Exception, if persisting tenant failed.
*/
public int persistTenant(Tenant tenant) throws Exception {
String tenantDomain = tenant.getDomain();
int tenantId;
validateAdminUserName(tenant);
boolean isDomainAvailable = CommonUtil.isDomainNameAvailable(tenantDomain);
if (!isDomainAvailable) {
throw new Exception("Domain is not available to register");
}
tenantId = addTenant(tenant);
tenant.setId(tenantId);
try {
doPostTenantCreationActions(tenant, null);
} catch (Exception e) {
String msg = "Error performing post tenant creation actions";
if(log.isDebugEnabled()) {
log.debug(msg, e);
}
throw new Exception(msg);
}
return tenantId;
}
}