/* * Copyright 2012-2015 org.opencloudb. * * Licensed 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.opencloudb; import java.util.Map; import java.util.Set; import org.apache.log4j.Logger; import org.opencloudb.config.Alarms; import org.opencloudb.config.model.UserConfig; import org.opencloudb.net.handler.FrontendPrivileges; /** * @author mycat */ public class MycatPrivileges implements FrontendPrivileges { private static final Logger ALARM = Logger.getLogger("alarm"); @Override public boolean schemaExists(String schema) { MycatConfig conf = MycatServer.getInstance().getConfig(); return conf.getSchemas().containsKey(schema); } @Override public boolean userExists(String user, String host) { MycatConfig conf = MycatServer.getInstance().getConfig(); Map<String, Set<String>> quarantineHosts = conf.getQuarantine().getHosts(); if (quarantineHosts.containsKey(host)) { boolean rs = quarantineHosts.get(host).contains(user); if (!rs) { ALARM.error(new StringBuilder().append(Alarms.QUARANTINE_ATTACK).append("[host=").append(host) .append(",user=").append(user).append(']').toString()); } return rs; } else { if (user != null && user.equals(conf.getSystem().getClusterHeartbeatUser())) { return true; } else { return conf.getUsers().containsKey(user); } } } @Override public String getPassword(String user) { MycatConfig conf = MycatServer.getInstance().getConfig(); if (user != null && user.equals(conf.getSystem().getClusterHeartbeatUser())) { return conf.getSystem().getClusterHeartbeatPass(); } else { UserConfig uc = conf.getUsers().get(user); if (uc != null) { return uc.getPassword(); } else { return null; } } } @Override public Set<String> getUserSchemas(String user) { MycatConfig conf = MycatServer.getInstance().getConfig(); UserConfig uc = conf.getUsers().get(user); if (uc != null) { return uc.getSchemas(); } else { return null; } } }