bukkit permission handler

Author: funkyra

src/main/java/catserver/server/BukkitInjector.java

@@ -1,7 +1,6 @@
 package catserver.server;
 
 import catserver.server.entity.CraftCustomEntity;
-import catserver.server.launch.Java11Support;
 import com.cleanroommc.hackery.enums.EnumHackery;
 import net.minecraft.block.Block;
 import net.minecraft.enchantment.Enchantment;
@@ -10,18 +9,21 @@
 import net.minecraft.potion.Potion;
 import net.minecraft.tileentity.BannerPattern;
 import net.minecraft.util.ResourceLocation;
-import net.minecraftforge.common.util.EnumHelper;
 import net.minecraftforge.fml.common.FMLLog;
 import net.minecraftforge.fml.common.registry.EntityRegistry;
 import net.minecraftforge.fml.common.registry.ForgeRegistries;
 import net.minecraftforge.fml.relauncher.ReflectionHelper;
 import net.minecraftforge.registries.GameData;
+import net.minecraftforge.server.permission.DefaultPermissionLevel;
 import org.apache.logging.log4j.Level;
 import org.bukkit.Material;
 import org.bukkit.block.Biome;
 import org.bukkit.block.banner.PatternType;
 import org.bukkit.entity.EntityType;
+import org.bukkit.permissions.Permission;
+import org.bukkit.permissions.PermissionDefault;
 import org.bukkit.potion.PotionEffectType;
+import org.bukkit.util.permissions.DefaultPermissions;
 
 import java.util.Map;
 
@@ -127,4 +129,14 @@ public static void registerBannerPatterns() {
             }
         }
     }
+
+    public static void registerDefaultPermission(String name, DefaultPermissionLevel level, String desc) {
+        PermissionDefault permissionDefault = switch (level) {
+            case ALL -> PermissionDefault.TRUE;
+            case OP -> PermissionDefault.OP;
+            default -> PermissionDefault.FALSE;
+        };
+        Permission permission = new Permission(name, desc, permissionDefault);
+        DefaultPermissions.registerPermission(permission);
+    }
 }

src/main/java/catserver/server/BukkitPermissionsHandler.java

@@ -0,0 +1,63 @@
+package catserver.server;
+
+import com.google.common.util.concurrent.Futures;
+import com.mojang.authlib.GameProfile;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.server.MinecraftServer;
+import net.minecraftforge.server.permission.DefaultPermissionLevel;
+import net.minecraftforge.server.permission.IPermissionHandler;
+import net.minecraftforge.server.permission.context.IContext;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.permissions.Permission;
+
+import javax.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public class BukkitPermissionsHandler implements IPermissionHandler {
+    @Override
+    public void registerNode(String node, DefaultPermissionLevel level, String desc) {
+        BukkitInjector.registerDefaultPermission(node, level, desc);
+    }
+
+    @Override
+    public Collection<String> getRegisteredNodes() {
+        List<String> list = new ArrayList<>();
+        for (Permission permission : Bukkit.getPluginManager().getPermissions()) {
+            String name = permission.getName();
+            list.add(name);
+        }
+        return list;
+    }
+
+    @Override
+    public boolean hasPermission(GameProfile profile, String node, @Nullable IContext context) {
+        if (context != null) {
+            EntityPlayer player = context.getPlayer();
+            if (player != null) {
+                return player.getBukkitEntity().hasPermission(node);
+            }
+
+        }
+        Player player = Bukkit.getServer().getPlayer(profile.getId());
+        if (player != null) {
+            return player.hasPermission(node);
+        } else {
+            Permission perm = Bukkit.getServer().getPluginManager().getPermission(node);
+            boolean isOp = MinecraftServer.getServerInst().getPlayerList().canSendCommands(profile);
+            if (perm != null) {
+                return perm.getDefault().getValue(isOp);
+            } else {
+                return Permission.DEFAULT_PERMISSION.getValue(isOp);
+            }
+        }
+    }
+
+    @Override
+    public String getNodeDescription(String node) {
+        Permission permission = Bukkit.getPluginManager().getPermission(node);
+        return permission == null ? "" : permission.getDescription();
+    }
+}

src/main/java/net/minecraftforge/fml/common/Loader.java

@@ -38,6 +38,7 @@
 import java.util.Properties;
 import java.util.Set;
 
+import catserver.server.BukkitPermissionsHandler;
 import com.cleanroommc.common.CleanroomContainer;
 import com.cleanroommc.common.ConfigAnytimeContainer;
 import com.cleanroommc.common.MixinContainer;
@@ -73,6 +74,7 @@
 import net.minecraftforge.registries.GameData;
 import net.minecraftforge.registries.ObjectHolderRegistry;
 
+import net.minecraftforge.server.permission.PermissionAPI;
 import org.apache.commons.io.IOUtils;
 import org.apache.logging.log4j.Level;
 
@@ -637,6 +639,7 @@ public void preinitializeMods()
         GameData.fireRegistryEvents(rl -> !rl.equals(GameData.RECIPES));
         FMLCommonHandler.instance().fireSidedRegistryEvents();
         ObjectHolderRegistry.INSTANCE.applyObjectHolders();
+        PermissionAPI.setPermissionHandler(new BukkitPermissionsHandler());
         ItemStackHolderInjector.INSTANCE.inject();
         modController.transition(LoaderState.INITIALIZATION, false);
         progressBar.step("Initializing Minecraft Engine");
@@ -645,7 +648,7 @@ public void preinitializeMods()
     private void disableRequestedMods()
     {
         String forcedModList = System.getProperty("fml.modStates", "");
-        FMLLog.log.trace("Received a system property request \'{}\'",forcedModList);
+        FMLLog.log.trace("Received a system property request '{}'",forcedModList);
         Map<String, String> sysPropertyStateList = Splitter.on(CharMatcher.anyOf(";:"))
                 .omitEmptyStrings().trimResults().withKeyValueSeparator("=")
                 .split(forcedModList);