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/*
* Copyright (C) 2021 - 2022 Elytrium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.elytrium.limboauth.utils;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeUnit;
import net.elytrium.limboauth.Settings;
import org.slf4j.Logger;
public class UpdatesChecker {
public static void checkForUpdates(Logger logger) {
try {
URLConnection conn = new URL("https://raw.githubusercontent.com/Elytrium/LimboAuth/master/VERSION").openConnection();
int timeout = (int) TimeUnit.SECONDS.toMillis(5);
conn.setConnectTimeout(timeout);
conn.setReadTimeout(timeout);
try (BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8))) {
String latestVersion = in.readLine();
if (latestVersion == null) {
logger.warn("Unable to check for updates.");
return;
}
String latestVersion0 = getCleanVersion(latestVersion.trim());
String currentVersion0 = getCleanVersion(Settings.IMP.VERSION);
int latestVersionId = Integer.parseInt(latestVersion0.replace(".", "").replace("$", ""));
int currentVersionId = Integer.parseInt(currentVersion0.replace(".", "").replace("$", ""));
if (latestVersion0.endsWith("$")) {
--latestVersionId;
}
if (currentVersion0.endsWith("$")) {
--currentVersionId;
}
if (currentVersionId < latestVersionId) {
logger.error("****************************************");
logger.warn("The new LimboAuth update was found, please update.");
logger.error("https://github.com/Elytrium/LimboAuth/releases/");
logger.error("****************************************");
}
}
} catch (IOException e) {
logger.warn("Unable to check for updates.", e);
}
}
private static String getCleanVersion(String version) {
int indexOf = version.indexOf("-");
if (indexOf > 0) {
return version.substring(0, indexOf) + "$"; // "$" - Indicates that the version is not release.
} else {
return version;
}
}
}
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