| /* |
| * 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.provider; |
| |
| import java.security.InvalidKeyException; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.SignatureException; |
| import java.security.spec.InvalidKeySpecException; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.servicecomb.authentication.RSAAuthenticationToken; |
| import org.apache.servicecomb.foundation.common.utils.RSAUtils; |
| import org.apache.servicecomb.registry.api.registry.MicroserviceInstance; |
| import org.apache.servicecomb.registry.cache.MicroserviceInstanceCache; |
| import org.apache.servicecomb.registry.definition.DefinitionConst; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.cache.Cache; |
| import com.google.common.cache.CacheBuilder; |
| |
| public class RSAProviderTokenManager { |
| |
| private final static Logger LOGGER = LoggerFactory.getLogger(RSAProviderTokenManager.class); |
| |
| private Cache<RSAAuthenticationToken, Boolean> validatedToken = CacheBuilder.newBuilder() |
| .expireAfterAccess(getExpiredTime(), TimeUnit.MILLISECONDS) |
| .build(); |
| |
| private AccessController accessController = new AccessController(); |
| |
| public boolean valid(String token) { |
| try { |
| RSAAuthenticationToken rsaToken = RSAAuthenticationToken.fromStr(token); |
| if (null == rsaToken) { |
| LOGGER.error("token format is error, perhaps you need to set auth handler at consumer"); |
| return false; |
| } |
| if (tokenExpired(rsaToken)) { |
| LOGGER.error("token is expired"); |
| return false; |
| } |
| |
| if (validatedToken.asMap().containsKey(rsaToken)) { |
| return accessController.isAllowed(MicroserviceInstanceCache.getOrCreate(rsaToken.getServiceId())); |
| } |
| |
| if (isValidToken(rsaToken) && !tokenExpired(rsaToken)) { |
| validatedToken.put(rsaToken, true); |
| return accessController.isAllowed(MicroserviceInstanceCache.getOrCreate(rsaToken.getServiceId())); |
| } |
| return false; |
| } catch (InvalidKeyException | NoSuchAlgorithmException | InvalidKeySpecException | SignatureException e) { |
| LOGGER.error("verify error", e); |
| return false; |
| } |
| } |
| |
| public boolean isValidToken(RSAAuthenticationToken rsaToken) |
| throws NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException, SignatureException { |
| String sign = rsaToken.getSign(); |
| String content = rsaToken.plainToken(); |
| String publicKey = getPublicKeyFromInstance(rsaToken.getInstanceId(), rsaToken.getServiceId()); |
| return RSAUtils.verify(publicKey, sign, content); |
| } |
| |
| protected int getExpiredTime() { |
| return 60 * 60 * 1000; |
| } |
| |
| private boolean tokenExpired(RSAAuthenticationToken rsaToken) { |
| long generateTime = rsaToken.getGenerateTime(); |
| long expired = generateTime + RSAAuthenticationToken.TOKEN_ACTIVE_TIME + 15 * 60 * 1000; |
| long now = System.currentTimeMillis(); |
| return now > expired; |
| } |
| |
| private String getPublicKeyFromInstance(String instanceId, String serviceId) { |
| MicroserviceInstance instances = MicroserviceInstanceCache.getOrCreate(serviceId, instanceId); |
| if (instances != null) { |
| return instances.getProperties().get(DefinitionConst.INSTANCE_PUBKEY_PRO); |
| } else { |
| LOGGER.error("not instance found {}-{}, maybe attack", instanceId, serviceId); |
| return ""; |
| } |
| } |
| |
| @VisibleForTesting |
| Cache<RSAAuthenticationToken, Boolean> getValidatedToken() { |
| return validatedToken; |
| } |
| } |