Make var type in ExploitC explicitly String

patch paper dupe

build.gradle.kts

@@ -63,7 +63,7 @@ dependencies {
     implementation("com.github.retrooper:packetevents-spigot:2.6.1-SNAPSHOT")
     implementation("co.aikar:acf-paper:0.5.1-SNAPSHOT")
     implementation("club.minnced:discord-webhooks:0.8.0") // Newer versions include kotlin-stdlib, which leads to incompatibility with plugins that use Kotlin
-    implementation("it.unimi.dsi:fastutil:8.5.13")
+    implementation("it.unimi.dsi:fastutil:8.5.15")
     implementation("github.scarsz:configuralize:1.4.0")
 
     //implementation("com.github.grimanticheat:grimapi:1193c4fa41")

src/main/java/ac/grim/grimac/checks/impl/badpackets/BadPacketsX.java

@@ -9,10 +9,8 @@ import com.github.retrooper.packetevents.event.PacketReceiveEvent;
 import com.github.retrooper.packetevents.protocol.item.type.ItemTypes;
 import com.github.retrooper.packetevents.protocol.player.ClientVersion;
 import com.github.retrooper.packetevents.protocol.player.DiggingAction;
-import com.github.retrooper.packetevents.protocol.world.states.WrappedBlockState;
 import com.github.retrooper.packetevents.protocol.world.states.type.StateType;
 import com.github.retrooper.packetevents.protocol.world.states.type.StateTypes;
-import com.github.retrooper.packetevents.util.Vector3d;
 import com.github.retrooper.packetevents.util.Vector3i;
 import com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientPlayerDigging;
 

src/main/java/ac/grim/grimac/checks/impl/exploit/ExploitC.java

@@ -0,0 +1,32 @@
+package ac.grim.grimac.checks.impl.exploit;
+
+import ac.grim.grimac.checks.Check;
+import ac.grim.grimac.checks.CheckData;
+import ac.grim.grimac.checks.type.PacketCheck;
+import ac.grim.grimac.player.GrimPlayer;
+import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.protocol.packettype.PacketType;
+import com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientEditBook;
+
+@CheckData(name = "ExploitC")
+public class ExploitC extends Check implements PacketCheck {
+    public ExploitC(GrimPlayer playerData) {
+        super(playerData);
+    }
+
+    @Override
+    public void onPacketReceive(PacketReceiveEvent event) {
+        if (event.getPacketType() == PacketType.Play.Client.EDIT_BOOK) {
+            final String title = new WrapperPlayClientEditBook(event).getTitle();
+
+            if (title == null) return; // book was not signed
+
+            if (title.length() > 15) {
+                if (flagAndAlert("title=" + title) && shouldModifyPackets()) {
+                    event.setCancelled(true);
+                    player.onPacketCancel();
+                }
+            }
+        }
+    }
+}

src/main/java/ac/grim/grimac/manager/CheckManager.java

@@ -11,6 +11,7 @@ import ac.grim.grimac.checks.impl.combat.Reach;
 import ac.grim.grimac.checks.impl.crash.*;
 import ac.grim.grimac.checks.impl.exploit.ExploitA;
 import ac.grim.grimac.checks.impl.exploit.ExploitB;
+import ac.grim.grimac.checks.impl.exploit.ExploitC;
 import ac.grim.grimac.checks.impl.groundspoof.NoFallA;
 import ac.grim.grimac.checks.impl.misc.ClientBrand;
 import ac.grim.grimac.checks.impl.misc.FastBreak;
@@ -171,6 +172,7 @@ public class CheckManager {
                 .put(CrashH.class, new CrashH(player))
                 .put(ExploitA.class, new ExploitA(player))
                 .put(ExploitB.class, new ExploitB(player))
+                .put(ExploitC.class, new ExploitC(player))
                 .put(VehicleTimer.class, new VehicleTimer(player))
                 .build();
 

src/main/java/ac/grim/grimac/utils/collisions/CollisionData.java

@@ -680,7 +680,7 @@ public enum CollisionData {
     }, StateTypes.END_ROD, StateTypes.LIGHTNING_ROD),
 
     CAULDRON((player, version, data, x, y, z) -> {
-        if (version.isNewerThan(ClientVersion.getById(467))) { // changed in 19w13a, 1.14 Snapshot
+        if (version.isNewerThan(ClientVersion.V_1_13_2)) { // changed in 19w13a, 1.14 Snapshot
             return new ComplexCollisionBox(15,
                     new SimpleCollisionBox(0.0, 0.0, 0.0, 0.125, 1.0, 0.25, false),
                     new SimpleCollisionBox(0.0, 0.0, 0.75, 0.125, 1.0, 1.0, false),