Add player whitelist events (#9209)

patches/api/0422-Add-whitelist-events.patch

@@ -0,0 +1,95 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: SageSphinx63920 <sage@sagesphinx63920.dev>
+Date: Sun, 14 May 2023 12:56:15 +0200
+Subject: [PATCH] Add whitelist events
+
+
+diff --git a/src/main/java/io/papermc/paper/event/server/WhitelistStateUpdateEvent.java b/src/main/java/io/papermc/paper/event/server/WhitelistStateUpdateEvent.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..34bcdc9a3c3426e17c1905dc3dbad762c0fe3f41
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/event/server/WhitelistStateUpdateEvent.java
+@@ -0,0 +1,83 @@
++package io.papermc.paper.event.server;
++
++import com.destroystokyo.paper.profile.PlayerProfile;
++import org.bukkit.Bukkit;
++import org.bukkit.OfflinePlayer;
++import org.bukkit.event.Cancellable;
++import org.bukkit.event.Event;
++import org.bukkit.event.HandlerList;
++import org.jetbrains.annotations.NotNull;
++
++/**
++ * This event gets called when the whitelist status of a player is changed
++ */
++public class WhitelistStateUpdateEvent extends Event implements Cancellable {
++
++    private static final HandlerList HANDLER_LIST = new HandlerList();
++    private boolean cancel = false;
++    @NotNull private final PlayerProfile playerProfile;
++    @NotNull private final WhitelistStatus status;
++
++    public WhitelistStateUpdateEvent(@NotNull PlayerProfile who, @NotNull WhitelistStatus status) {
++        this.playerProfile = who;
++        this.status = status;
++    }
++
++    /**
++     * Gets the player whose whitelist status is being changed
++     *
++     * @return the player whose status is being changed
++     */
++    @NotNull
++    public OfflinePlayer getPlayer() {
++        return Bukkit.getOfflinePlayer(playerProfile.getId());
++    }
++
++    /**
++     * Gets the player profile whose whitelist status is being changed
++     *
++     * @return the player profile whose status is being changed
++     */
++    @NotNull
++    public PlayerProfile getPlayerProfile() {
++        return playerProfile;
++    }
++
++    /**
++     * Gets the status change of the player profile
++     *
++     * @return the whitelist status
++     */
++    @NotNull
++    public WhitelistStatus getStatus() {
++        return status;
++    }
++
++    @Override
++    public boolean isCancelled() {
++        return cancel;
++    }
++
++    @Override
++    public void setCancelled(boolean cancel) {
++        this.cancel = cancel;
++    }
++
++    @NotNull
++    @Override
++    public HandlerList getHandlers() {
++        return HANDLER_LIST;
++    }
++
++    @NotNull
++    public static HandlerList getHandlerList() {
++        return HANDLER_LIST;
++    }
++
++    /**
++     * Enum for the whitelist status changes
++     */
++    public enum WhitelistStatus {
++        ADDED, REMOVED
++    }
++}

patches/server/0993-Add-whitelist-events.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: SageSphinx63920 <sage@sagesphinx63920.dev>
+Date: Sun, 14 May 2023 12:57:15 +0200
+Subject: [PATCH] Add whitelist events
+
+
+diff --git a/src/main/java/net/minecraft/server/players/UserWhiteList.java b/src/main/java/net/minecraft/server/players/UserWhiteList.java
+index a6c70decad1a496595944a5dd2aeeb387757fef3..e5c218833f5bcb1c908cd62bdc57cc5152d37be5 100644
+--- a/src/main/java/net/minecraft/server/players/UserWhiteList.java
++++ b/src/main/java/net/minecraft/server/players/UserWhiteList.java
+@@ -30,4 +30,23 @@ public class UserWhiteList extends StoredUserList<GameProfile, UserWhiteListEntr
+     protected String getKeyForUser(GameProfile gameProfile) {
+         return gameProfile.getId().toString();
+     }
++    // Paper start - Add whitelist events
++    @Override
++    public void add(UserWhiteListEntry entry) {
++        if (!new io.papermc.paper.event.server.WhitelistStateUpdateEvent(com.destroystokyo.paper.profile.CraftPlayerProfile.asBukkitCopy(entry.getUser()), io.papermc.paper.event.server.WhitelistStateUpdateEvent.WhitelistStatus.ADDED).callEvent()) {
++            return;
++        }
++
++        super.add(entry);
++    }
++
++    @Override
++    public void remove(GameProfile profile) {
++        if (!new io.papermc.paper.event.server.WhitelistStateUpdateEvent(com.destroystokyo.paper.profile.CraftPlayerProfile.asBukkitCopy(profile), io.papermc.paper.event.server.WhitelistStateUpdateEvent.WhitelistStatus.REMOVED).callEvent()) {
++            return;
++        }
++
++        super.remove(profile);
++    }
++    // Paper end
+ }