GeyserMC-Mirror/Floodgate
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Code Issues Releases Activity

Made Floodgate compatible with latest Spigot changes

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This commit is contained in:
Tim203
2023-12-30 21:19:29 +01:00
parent 71acc6c0f4
commit 921d706c1e
2 changed files with 55 additions and 25 deletions
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26
spigot/src/main/java/org/geysermc/floodgate/addon/data/SpigotDataHandler.java
View File

@@ -167,31 +167,35 @@ public final class SpigotDataHandler extends CommonDataHandler {
}
}
// set the player his GameProfile, we can't change the username without this
GameProfile gameProfile = new GameProfile(
player.getCorrectUniqueId(), player.getCorrectUsername()
);
setValue(packetListener, ClassNames.LOGIN_PROFILE, gameProfile);
// we have to fake the offline player (login) cycle
// just like on Spigot:
Object loginHandler = ClassNames.LOGIN_HANDLER_CONSTRUCTOR.newInstance(packetListener);
if (ClassNames.IS_PRE_1_20_2) {
// 1.20.1 and below
// LoginListener#initUUID
// new LoginHandler().fireEvents();
// - set profile, otherwise the username doesn't change
// - LoginListener#initUUID
// - new LoginHandler().fireEvents();
// and the tick of LoginListener will do the rest
Object loginHandler = ClassNames.LOGIN_HANDLER_CONSTRUCTOR.newInstance(packetListener);
setValue(packetListener, ClassNames.LOGIN_PROFILE, gameProfile);
ClassNames.INIT_UUID.invoke(packetListener);
ClassNames.FIRE_LOGIN_EVENTS.invoke(loginHandler);
} else {
// 1.20.2 and above we directly register the profile
} else if (!ClassNames.IS_POST_LOGIN_HANDLER) {
// 1.20.2 until somewhere in 1.20.4 we can directly register the profile
Object loginHandler = ClassNames.LOGIN_HANDLER_CONSTRUCTOR.newInstance(packetListener);
ClassNames.FIRE_LOGIN_EVENTS_GAME_PROFILE.invoke(loginHandler, gameProfile);
} else {
// somewhere during 1.20.4 md_5 moved stuff to CraftBukkit
// LoginListener#callPlayerPreLoginEvents(GameProfile)
// LoginListener#startClientVerification(GameProfile)
ClassNames.CALL_PLAYER_PRE_LOGIN_EVENTS.invoke(packetListener, gameProfile);
ClassNames.START_CLIENT_VERIFICATION.invoke(packetListener, gameProfile);
}
ctx.pipeline().remove(this);

54
spigot/src/main/java/org/geysermc/floodgate/util/ClassNames.java
View File

@@ -59,11 +59,10 @@ public class ClassNames {
public static final Class<?> HANDSHAKE_PACKET;
public static final Class<?> LOGIN_START_PACKET;
public static final Class<?> LOGIN_LISTENER;
public static final Class<?> LOGIN_HANDLER;
@Nullable public static final Class<?> CLIENT_INTENT;
public static final Constructor<OfflinePlayer> CRAFT_OFFLINE_PLAYER_CONSTRUCTOR;
public static final Constructor<?> LOGIN_HANDLER_CONSTRUCTOR;
@Nullable public static final Constructor<?> LOGIN_HANDLER_CONSTRUCTOR;
@Nullable public static final Constructor<?> HANDSHAKE_PACKET_CONSTRUCTOR;
public static final Field SOCKET_ADDRESS;
@@ -84,13 +83,17 @@ public class ClassNames {
@Nullable public static final Method INIT_UUID;
@Nullable public static final Method FIRE_LOGIN_EVENTS;
@Nullable public static final Method FIRE_LOGIN_EVENTS_GAME_PROFILE;
@Nullable public static final Method CALL_PLAYER_PRE_LOGIN_EVENTS;
@Nullable public static final Method START_CLIENT_VERIFICATION;
public static final Field BUNGEE;
public static final boolean IS_FOLIA;
public static final boolean IS_PRE_1_20_2;
public static final boolean IS_POST_LOGIN_HANDLER;
static {
// ahhhhhhh, this class should really be reworked at this point
String version = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
SPIGOT_MAPPING_PREFIX = "net.minecraft.server." + version;
@@ -167,6 +170,14 @@ public class ClassNames {
INIT_UUID = getMethod(LOGIN_LISTENER, "initUUID");
IS_PRE_1_20_2 = INIT_UUID != null;
// somewhere during 1.20.4 md_5 moved PreLogin logic to CraftBukkit
CALL_PLAYER_PRE_LOGIN_EVENTS = getMethod(
LOGIN_LISTENER,
"callPlayerPreLoginEvents",
GameProfile.class
);
IS_POST_LOGIN_HANDLER = CALL_PLAYER_PRE_LOGIN_EVENTS != null;
if (IS_PRE_1_20_2) {
Class<?> packetListenerClass = getClassOrFallback(
"net.minecraft.network.PacketListener",
@@ -183,21 +194,36 @@ public class ClassNames {
}
checkNotNull(PACKET_LISTENER, "Packet listener");
LOGIN_HANDLER = getClassOrFallback(
"net.minecraft.server.network.LoginListener$LoginHandler",
nmsPackage + "LoginListener$LoginHandler"
);
if (IS_POST_LOGIN_HANDLER) {
makeAccessible(CALL_PLAYER_PRE_LOGIN_EVENTS);
LOGIN_HANDLER_CONSTRUCTOR =
ReflectionUtils.getConstructor(LOGIN_HANDLER, true, LOGIN_LISTENER);
checkNotNull(LOGIN_HANDLER_CONSTRUCTOR, "LoginHandler constructor");
START_CLIENT_VERIFICATION = getMethod(LOGIN_LISTENER, "b", GameProfile.class);
checkNotNull(START_CLIENT_VERIFICATION, "startClientVerification");
makeAccessible(START_CLIENT_VERIFICATION);
FIRE_LOGIN_EVENTS = getMethod(LOGIN_HANDLER, "fireEvents");
LOGIN_HANDLER_CONSTRUCTOR = null;
FIRE_LOGIN_EVENTS = null;
FIRE_LOGIN_EVENTS_GAME_PROFILE = null;
} else {
Class<?> loginHandler = getClassOrFallback(
"net.minecraft.server.network.LoginListener$LoginHandler",
nmsPackage + "LoginListener$LoginHandler"
);
// LoginHandler().fireEvents(GameProfile)
FIRE_LOGIN_EVENTS_GAME_PROFILE = getMethod(LOGIN_HANDLER, "fireEvents", GameProfile.class);
checkNotNull(FIRE_LOGIN_EVENTS, FIRE_LOGIN_EVENTS_GAME_PROFILE,
"fireEvents from LoginHandler", "fireEvents(GameProfile) from LoginHandler");
LOGIN_HANDLER_CONSTRUCTOR =
ReflectionUtils.getConstructor(loginHandler, true, LOGIN_LISTENER);
checkNotNull(LOGIN_HANDLER_CONSTRUCTOR, "LoginHandler constructor");
FIRE_LOGIN_EVENTS = getMethod(loginHandler, "fireEvents");
// LoginHandler().fireEvents(GameProfile)
FIRE_LOGIN_EVENTS_GAME_PROFILE = getMethod(loginHandler, "fireEvents",
GameProfile.class);
checkNotNull(FIRE_LOGIN_EVENTS, FIRE_LOGIN_EVENTS_GAME_PROFILE,
"fireEvents from LoginHandler", "fireEvents(GameProfile) from LoginHandler");
START_CLIENT_VERIFICATION = null;
}
PAPER_DISABLE_USERNAME_VALIDATION = getField(LOGIN_LISTENER,
"iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation");