| /* |
| * 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.servicecomb.authentication.consumer; |
| |
| import java.security.PrivateKey; |
| |
| import org.apache.servicecomb.authentication.RSAAuthenticationToken; |
| import org.apache.servicecomb.foundation.common.utils.RSAUtils; |
| import org.apache.servicecomb.foundation.token.RSAKeypair4Auth; |
| import org.apache.servicecomb.registry.RegistrationManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class RSAConsumerTokenManager { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(RSAConsumerTokenManager.class); |
| |
| private final Object lock = new Object(); |
| |
| private RSAAuthenticationToken token; |
| |
| public String getToken() { |
| |
| if (isExpired(token)) { |
| synchronized (lock) { |
| if (isExpired(token)) { |
| return createToken(); |
| } |
| } |
| } |
| return token.format(); |
| } |
| |
| public String createToken() { |
| PrivateKey privateKey = RSAKeypair4Auth.INSTANCE.getPrivateKey(); |
| String instanceId = RegistrationManager.INSTANCE.getMicroserviceInstance().getInstanceId(); |
| String serviceId = RegistrationManager.INSTANCE.getMicroservice().getServiceId(); |
| |
| if (instanceId == null || serviceId == null) { |
| LOGGER.error("service not ready when create token."); |
| return null; |
| } |
| |
| @SuppressWarnings("deprecation") |
| String randomCode = org.apache.commons.lang3.RandomStringUtils.randomAlphanumeric(128); |
| long generateTime = System.currentTimeMillis(); |
| try { |
| String plain = String.format("%s@%s@%s@%s", instanceId, serviceId, generateTime, randomCode); |
| String sign = RSAUtils.sign(plain, privateKey); |
| token = RSAAuthenticationToken.fromStr(String.format("%s@%s", plain, sign)); |
| } catch (Exception e) { |
| LOGGER.error("create token error", e); |
| return null; |
| } |
| return token.format(); |
| } |
| |
| /** |
| * the TTL of Token is 24 hours |
| * client token will expired 15 minutes early |
| */ |
| public boolean isExpired(RSAAuthenticationToken token) { |
| if (null == token) { |
| return true; |
| } |
| long generateTime = token.getGenerateTime(); |
| long expiredDate = generateTime + RSAAuthenticationToken.TOKEN_ACTIVE_TIME - 15 * 60 * 1000; |
| long now = System.currentTimeMillis(); |
| return now > expiredDate; |
| } |
| } |