Add IPv6 support for isLocal checks (#1592)

* Add IPv6 support for isLocal checks

* Replace magic values like 127.0.0.1 and use our utility
* Support for IPv6 local adresses in IPv6 only or dual stack environments
    * Loopback [::1]
    * Site-Local fc00::/7
    * Link-local fe80::/10

* Introduce extra method for loopback addresses

* Use public IP for passMaxLogin check

* Use non-local IP addresses in test after change in verification
This commit is contained in:
games647
2018-07-04 02:05:17 +02:00
committed by Gabriele C
parent fc07ad3df1
commit 0227cb3f74
6 changed files with 104 additions and 30 deletions
@@ -18,6 +18,7 @@ import fr.xephi.authme.settings.commandconfig.CommandManager;
import fr.xephi.authme.settings.properties.HooksSettings;
import fr.xephi.authme.settings.properties.RegistrationSettings;
import fr.xephi.authme.settings.properties.RestrictionSettings;
import fr.xephi.authme.util.InternetProtocolUtils;
import fr.xephi.authme.util.PlayerUtils;
import org.bukkit.GameMode;
import org.bukkit.Server;
@@ -183,8 +184,7 @@ public class AsynchronousJoin implements AsynchronousProcess {
private boolean validatePlayerCountForIp(final Player player, String ip) {
if (service.getProperty(RestrictionSettings.MAX_JOIN_PER_IP) > 0
&& !service.hasPermission(player, PlayerStatePermission.ALLOW_MULTIPLE_ACCOUNTS)
&& !"127.0.0.1".equalsIgnoreCase(ip)
&& !"localhost".equalsIgnoreCase(ip)
&& !InternetProtocolUtils.isLoopbackAddress(ip)
&& countOnlinePlayersByIp(ip) > service.getProperty(RestrictionSettings.MAX_JOIN_PER_IP)) {
bukkitService.scheduleSyncTaskFromOptionallyAsyncTask(