com.aoindustries.aoserv.client.master.UserAcl Maven / Gradle / Ivy

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/*
 * aoserv-client - Java client for the AOServ Platform.
 * Copyright (C) 2001-2013, 2016, 2017, 2018, 2019  AO Industries, Inc.
 *     [email protected]
 *     7262 Bull Pen Cir
 *     Mobile, AL 36695
 *
 * This file is part of aoserv-client.
 *
 * aoserv-client is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * aoserv-client 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with aoserv-client.  If not, see .
 */
package com.aoindustries.aoserv.client.master;

import com.aoindustries.aoserv.client.CachedObjectIntegerKey;
import com.aoindustries.aoserv.client.schema.AoservProtocol;
import com.aoindustries.aoserv.client.schema.Table;
import com.aoindustries.io.stream.StreamableInput;
import com.aoindustries.io.stream.StreamableOutput;
import com.aoindustries.net.HostAddress;
import com.aoindustries.validation.ValidationException;
import java.io.IOException;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * A MasterHost controls which hosts a MasterUser
 * is allowed to connect from.  Because MasterUsers have more
 * control over the system, this extra security measure is taken.
 *
 * @see  User
 *
 * @author  AO Industries, Inc.
 */
final public class UserAcl extends CachedObjectIntegerKey {

	static final int COLUMN_PKEY=0;
	static final String COLUMN_USERNAME_name = "username";
	static final String COLUMN_HOST_name = "host";

	private com.aoindustries.aoserv.client.account.User.Name username;
	private HostAddress host;

	@Override
	protected Object getColumnImpl(int i) {
		if(i==COLUMN_PKEY) return pkey;
		if(i==1) return username;
		if(i==2) return host;
		throw new IllegalArgumentException("Invalid index: " + i);
	}

	public HostAddress getHost() {
		return host;
	}

	public User getMasterUser() throws SQLException, IOException {
		User obj=table.getConnector().getMaster().getUser().get(username);
		if(obj==null) throw new SQLException("Unable to find MasterUser: "+username);
		return obj;
	}

	@Override
	public Table.TableID getTableID() {
		return Table.TableID.MASTER_HOSTS;
	}

	@Override
	public void init(ResultSet result) throws SQLException {
		try {
			pkey=result.getInt(1);
			username = com.aoindustries.aoserv.client.account.User.Name.valueOf(result.getString(2));
			host = HostAddress.valueOf(result.getString(3));
		} catch(ValidationException e) {
			throw new SQLException(e);
		}
	}

	@Override
	public void read(StreamableInput in, AoservProtocol.Version protocolVersion) throws IOException {
		try {
			pkey = in.readCompressedInt();
			username = com.aoindustries.aoserv.client.account.User.Name.valueOf(in.readUTF()).intern();
			host = HostAddress.valueOf(in.readUTF()).intern();
		} catch(ValidationException e) {
			throw new IOException(e);
		}
	}

	@Override
	public void write(StreamableOutput out, AoservProtocol.Version protocolVersion) throws IOException {
		out.writeCompressedInt(pkey);
		out.writeUTF(username.toString());
		out.writeUTF(host.toString());
	}
}