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Fix 1.19.3 compat of removed public key on login

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Fixes #951
This commit is contained in:
games647
2022-12-18 14:04:43 +01:00
parent ca17c3f377
commit 1038453469
1 changed files with 26 additions and 18 deletions
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12
bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java
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@@ -179,7 +179,8 @@ public class ProtocolLibListener extends PacketAdapter {
private boolean verifyNonce(Player sender, PacketContainer packet, private boolean verifyNonce(Player sender, PacketContainer packet,
ClientPublicKey clientPublicKey, byte[] expectedToken) { ClientPublicKey clientPublicKey, byte[] expectedToken) {
try { try {
if (MinecraftVersion.atOrAbove(new MinecraftVersion(1, 19, 0))) { if (MinecraftVersion.atOrAbove(new MinecraftVersion(1, 19, 0))
&& !MinecraftVersion.atOrAbove(new MinecraftVersion(1, 19, 3))) {
Either<byte[], ?> either = packet.getSpecificModifier(Either.class).read(0); Either<byte[], ?> either = packet.getSpecificModifier(Either.class).read(0);
if (clientPublicKey == null) { if (clientPublicKey == null) {
Optional<byte[]> left = either.left(); Optional<byte[]> left = either.left();
@@ -222,10 +223,15 @@ public class ProtocolLibListener extends PacketAdapter {
plugin.removeSession(player.getAddress()); plugin.removeSession(player.getAddress());
PacketContainer packet = packetEvent.getPacket(); PacketContainer packet = packetEvent.getPacket();
Optional<ClientPublicKey> clientKey = Optional.empty();
if (MinecraftVersion.atOrAbove(new MinecraftVersion(1, 19, 3))) {
// public key sent separate
clientKey = Optional.empty();
} else {
val profileKey = packet.getOptionals(BukkitConverters.getWrappedPublicKeyDataConverter()) val profileKey = packet.getOptionals(BukkitConverters.getWrappedPublicKeyDataConverter())
.optionRead(0); .optionRead(0);
val clientKey = profileKey.flatMap(Function.identity()).flatMap(data -> { clientKey = profileKey.flatMap(Function.identity()).flatMap(data -> {
Instant expires = data.getExpireTime(); Instant expires = data.getExpireTime();
PublicKey key = data.getKey(); PublicKey key = data.getKey();
byte[] signature = data.getSignature(); byte[] signature = data.getSignature();
@@ -242,6 +248,8 @@ public class ProtocolLibListener extends PacketAdapter {
plugin.getLog().warn("Invalid public key from player {}", username); plugin.getLog().warn("Invalid public key from player {}", username);
return; return;
} }
}
plugin.getLog().trace("GameProfile {} with {} connecting", sessionKey, username); plugin.getLog().trace("GameProfile {} with {} connecting", sessionKey, username);