/* * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software;Designed and Developed mainly by many Chinese * opensource volunteers. you can redistribute it and/or modify it under the * terms of the GNU General Public License version 2 only, as published by the * Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Any questions about this component can be directed to it's project Web address * https://code.google.com/p/opencloudb/. * */ 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; } } @Override public Boolean isReadOnly(String user) { MycatConfig conf = MycatServer.getInstance().getConfig(); UserConfig uc = conf.getUsers().get(user); if (uc != null) { return uc.isReadOnly(); } else { return null; } } }