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Code Issues Releases Wiki Activity

Whois socket timeout

This commit is contained in:
M66B 2022-09-04 10:44:34 +02:00
parent a052dd1ded
commit 065b1a57b7
1 changed files with 7 additions and 1 deletions
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8
app/src/main/java/eu/faircode/email/Whois.java
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@ -20,11 +20,13 @@ package eu.faircode.email;
*/ */
import java.io.IOException; import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket; import java.net.Socket;
import java.net.UnknownHostException; import java.net.UnknownHostException;
public class Whois { public class Whois {
private static final int WHOIS_PORT = 43; private static final int WHOIS_PORT = 43;
private static final int WHOIS_TIMEOUT = 15 * 1000; // milliseconds
static String get(String domain) throws IOException { static String get(String domain) throws IOException {
return get(domain, getServer(domain), WHOIS_PORT); return get(domain, getServer(domain), WHOIS_PORT);
@ -35,9 +37,13 @@ public class Whois {
} }
static String get(String domain, String host, int port) throws IOException { static String get(String domain, String host, int port) throws IOException {
try (Socket socket = new Socket(host, port)) { Socket socket = new Socket();
socket.connect(new InetSocketAddress(host, port), WHOIS_TIMEOUT);
try {
socket.getOutputStream().write((domain + "\n").getBytes()); socket.getOutputStream().write((domain + "\n").getBytes());
return host + ":" + port + "\n" + Helper.readStream(socket.getInputStream()); return host + ":" + port + "\n" + Helper.readStream(socket.getInputStream());
} finally {
socket.close();
} }
} }