/*
* 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;
}
}
}