Added whois client

This commit is contained in:
M66B 2022-09-04 08:44:09 +02:00
parent c44bac2238
commit 6365a43c72
1 changed files with 43 additions and 0 deletions

View File

@ -0,0 +1,43 @@
package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail 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 for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2022 by Marcel Bokhorst (M66B)
*/
import java.io.IOException;
import java.net.Socket;
public class Whois {
private static final String WHOIS_HOST = "whois.internic.net";
private static final int WHOIS_PORT = 43;
static String get(String domain) throws IOException {
return get(domain, WHOIS_HOST, WHOIS_PORT);
}
static String get(String domain, String host) throws IOException {
return get(domain, host, WHOIS_PORT);
}
static String get(String domain, String host, int port) throws IOException {
try (Socket socket = new Socket(host, port)) {
socket.getOutputStream().write((domain + "\n").getBytes());
return Helper.readStream(socket.getInputStream());
}
}
}