| /* |
| * 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.dubbo.admin.interceptor; |
| |
| import org.apache.dubbo.admin.annotation.Authority; |
| import org.apache.dubbo.admin.controller.UserController; |
| |
| import org.springframework.beans.factory.annotation.Value; |
| import org.springframework.http.HttpStatus; |
| import org.springframework.stereotype.Component; |
| import org.springframework.util.StringUtils; |
| import org.springframework.web.method.HandlerMethod; |
| import org.springframework.web.servlet.handler.HandlerInterceptorAdapter; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.validation.constraints.NotNull; |
| import java.lang.reflect.Method; |
| |
| @Component |
| public class AuthInterceptor extends HandlerInterceptorAdapter { |
| @Value("${admin.check.authority:true}") |
| private boolean checkAuthority; |
| |
| //make session timeout configurable |
| //default to be an hour:1000 * 60 * 60 |
| @Value("${admin.check.sessionTimeoutMilli:3600000}") |
| private long sessionTimeoutMilli; |
| @Override |
| public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { |
| if (!(handler instanceof HandlerMethod) || !checkAuthority) { |
| return true; |
| } |
| HandlerMethod handlerMethod = (HandlerMethod) handler; |
| Method method = handlerMethod.getMethod(); |
| Authority authority = method.getDeclaredAnnotation(Authority.class); |
| if (null == authority) { |
| authority = method.getDeclaringClass().getDeclaredAnnotation(Authority.class); |
| } |
| |
| String authorization = request.getHeader("Authorization"); |
| if (null != authority && authority.needLogin()) { |
| //check if 'authorization' is empty to prevent NullPointException |
| //since UserController.tokenMap is an instance of ConcurrentHashMap. |
| if (StringUtils.isEmpty(authorization)) { |
| //While authentication is required and 'Authorization' string is missing in the request headers, |
| //reject this request(http403). |
| rejectedResponse(response); |
| return false; |
| } |
| |
| UserController.User user = UserController.tokenMap.get(authorization); |
| if (null != user && System.currentTimeMillis() - user.getLastUpdateTime() <= sessionTimeoutMilli) { |
| user.setLastUpdateTime(System.currentTimeMillis()); |
| return true; |
| } |
| |
| //while user not found, or session timeout, reject this request(http403). |
| rejectedResponse(response); |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| private static void rejectedResponse(@NotNull HttpServletResponse response) { |
| response.setStatus(HttpStatus.UNAUTHORIZED.value()); |
| } |
| } |