From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Date: Thu, 28 Mar 2024 13:36:09 -0400
Subject: [PATCH] Cache player profileResult


diff --git a/build.gradle.kts b/build.gradle.kts
index e16e9b3b815065ed4aae1965edc3a68471470ec5..57f309dc5259a4ca935c12c99e835734cf2480c7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -26,6 +26,10 @@ dependencies {
     implementation("org.lz4:lz4-java:1.8.0")
     // LinearPaper end
 
+    // Leaf start - Libraries
+    implementation("com.github.ben-manes.caffeine:caffeine:3.1.8")
+    // Leaf end - Libraries
+
     // Paper start
     implementation("org.jline:jline-terminal-jansi:3.26.3") // Leaf - Bump Dependencies
     implementation("net.minecrell:terminalconsoleappender:1.3.0")
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index 2fd40cf41d54e450939d11b8ea183ab248072e22..3539397dba1246f345cd3cd210a6e6db876b1c89 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -93,6 +93,11 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
     private ServerPlayer player; // CraftBukkit
     public boolean iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation = false; // Paper - username validation overriding
     private int velocityLoginMessageId = -1; // Paper - Add Velocity IP Forwarding Support
+    // Leaf start - Cache player profileResult
+    private final com.github.benmanes.caffeine.cache.Cache<String, ProfileResult> playerProfileResultCahce = com.github.benmanes.caffeine.cache.Caffeine.newBuilder()
+            .expireAfterWrite(org.dreeam.leaf.config.modules.misc.Cache.cachePlayerProfileResultTimeout, java.util.concurrent.TimeUnit.MINUTES)
+            .build();
+    // Leaf end
 
     public ServerLoginPacketListenerImpl(MinecraftServer server, Connection connection, boolean transferred) {
         this.state = ServerLoginPacketListenerImpl.State.HELLO;
@@ -320,7 +325,19 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
                 String s1 = (String) Objects.requireNonNull(ServerLoginPacketListenerImpl.this.requestedUsername, "Player name not initialized");
 
                 try {
-                    ProfileResult profileresult = ServerLoginPacketListenerImpl.this.server.getSessionService().hasJoinedServer(s1, s, this.getAddress());
+                    // Leaf start - Cache player profileResult
+                    ProfileResult profileresult;
+                    if (org.dreeam.leaf.config.modules.misc.Cache.cachePlayerProfileResult) {
+                        profileresult = playerProfileResultCahce.getIfPresent(s1);
+
+                        if (profileresult == null) {
+                            profileresult = ServerLoginPacketListenerImpl.this.server.getSessionService().hasJoinedServer(s1, s, this.getAddress());
+                            playerProfileResultCahce.put(s1, profileresult);
+                        }
+                    } else {
+                        profileresult = ServerLoginPacketListenerImpl.this.server.getSessionService().hasJoinedServer(s1, s, this.getAddress());
+                    }
+                    // Leaf end
 
                     if (profileresult != null) {
                         GameProfile gameprofile = profileresult.profile();
diff --git a/src/main/java/org/dreeam/leaf/config/modules/misc/Cache.java b/src/main/java/org/dreeam/leaf/config/modules/misc/Cache.java
new file mode 100644
index 0000000000000000000000000000000000000000..b0a5bfbebb3ad1598ba4164a8f2635862d3e424c
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/config/modules/misc/Cache.java
@@ -0,0 +1,24 @@
+package org.dreeam.leaf.config.modules.misc;
+
+import org.dreeam.leaf.config.ConfigModules;
+import org.dreeam.leaf.config.EnumConfigCategory;
+
+public class Cache extends ConfigModules {
+
+    public String getBasePath() {
+        return EnumConfigCategory.MISC.getBaseKeyName() + ".cache";
+    }
+
+    public static boolean cachePlayerProfileResult = true;
+    public static int cachePlayerProfileResultTimeout = 1440;
+
+    @Override
+    public void onLoaded() {
+        cachePlayerProfileResult = config.getBoolean(getBasePath() + ".cache-player-profile-result", cachePlayerProfileResult, """
+                Cache the player profile result on they first join.
+                It's useful if Mojang's verification server is down.
+                """);
+        cachePlayerProfileResultTimeout = config.getInt(getBasePath() + ".cache-player-profile-result-timeout", cachePlayerProfileResultTimeout,
+                "The timeout of the cache. Unit: Minutes.");
+    }
+}