1 /*
2 * This file is part of Waarp Project (named also Waarp or GG).
3 *
4 * Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
5 * tags. See the COPYRIGHT.txt in the distribution for a full listing of
6 * individual contributors.
7 *
8 * All Waarp Project is free software: you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or (at your
11 * option) any later version.
12 *
13 * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
14 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * Waarp . If not, see <http://www.gnu.org/licenses/>.
19 */
20 package org.waarp.ftp.core.command.rfc4217;
21
22 import org.waarp.common.command.ReplyCode;
23 import org.waarp.common.command.exception.CommandAbstractException;
24 import org.waarp.common.command.exception.Reply501Exception;
25 import org.waarp.common.command.exception.Reply503Exception;
26 import org.waarp.ftp.core.command.AbstractCommand;
27 import org.waarp.ftp.core.command.FtpCommandCode;
28
29 /**
30 * PBSZ command accepting only 0 as parameter
31 */
32 public class PBSZ extends AbstractCommand {
33
34 @Override
35 public final void exec() throws CommandAbstractException {
36 if (!getSession().isSslReady()) {
37 // Not SSL
38 throw new Reply503Exception("Session not using SSL / TLS");
39 }
40 // First Check if any argument
41 if (!hasArg()) {
42 // Error since argument is needed
43 throw new Reply501Exception("Missing Parameter: 0");
44 }
45 final String[] types = getArgs();
46 if (!"0".equalsIgnoreCase(types[0])) {
47 // Only 0 allowed
48 throw new Reply501Exception("Unknown Parameter: " + types[0]);
49 }
50 setExtraNextCommand(FtpCommandCode.PROT);
51 getSession().setReplyCode(ReplyCode.REPLY_200_COMMAND_OKAY, null);
52 }
53
54 }