| /* |
| * 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.openmeetings.webservice; |
| |
| import static org.apache.openmeetings.webservice.error.ServiceException.NO_PERMISSION; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.function.Function; |
| import java.util.function.Predicate; |
| |
| import org.apache.openmeetings.db.dao.file.FileItemDao; |
| import org.apache.openmeetings.db.dao.room.RoomDao; |
| import org.apache.openmeetings.db.dao.server.SessiondataDao; |
| import org.apache.openmeetings.db.dao.user.UserDao; |
| import org.apache.openmeetings.db.entity.server.Sessiondata; |
| import org.apache.openmeetings.db.entity.user.User; |
| import org.apache.openmeetings.db.entity.user.User.Right; |
| import org.apache.openmeetings.db.util.AuthLevelUtil; |
| import org.apache.openmeetings.webservice.error.ServiceException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.beans.factory.annotation.Autowired; |
| |
| public abstract class BaseWebService { |
| private static final Logger log = LoggerFactory.getLogger(BaseWebService.class); |
| |
| @Autowired |
| protected SessiondataDao sessionDao; |
| @Autowired |
| protected UserDao userDao; |
| @Autowired |
| protected RoomDao roomDao; |
| @Autowired |
| protected FileItemDao fileDao; |
| |
| // this one is fail safe |
| Sessiondata check(String sid) { |
| try { |
| return sessionDao.check(sid); |
| } catch (Exception e) { |
| log.debug("Exception while checking sid", e); |
| } |
| return new Sessiondata(); |
| } |
| |
| Set<Right> getRights(String sid) { |
| Sessiondata sd = check(sid); |
| return getRights(sd.getUserId()); |
| } |
| |
| // this one is fail safe |
| Set<Right> getRights(Long id) { |
| try { |
| return userDao.getRights(id); |
| } catch (Exception e) { |
| log.debug("Exception while getting rights", e); |
| } |
| return new HashSet<>(); |
| } |
| |
| <T> T performCall(String sid, User.Right level, Function<Sessiondata, T> action) throws ServiceException { |
| return performCall(sid, sd -> AuthLevelUtil.check(getRights(sd.getUserId()), level), action); |
| } |
| |
| <T> T performCall(String sid, Predicate<Sessiondata> allowed, Function<Sessiondata, T> action) |
| throws ServiceException |
| { |
| try { |
| Sessiondata sd = check(sid); |
| if (allowed.test(sd)) { |
| return action.apply(sd); |
| } else { |
| throw NO_PERMISSION; |
| } |
| } catch (ServiceException err) { |
| throw err; |
| } catch (Exception err) { |
| log.error("[performCall]", err); |
| throw new ServiceException(err.getMessage()); |
| } |
| } |
| } |