From 87638c6bf53e5e7861387011a7912e6f09d6bdeb Mon Sep 17 00:00:00 2001
From: Azarias Boutin <azarias.boutin@gmail.com>
Date: Wed, 20 Mar 2019 06:54:52 +0100
Subject: [PATCH] Added LuckPerms to the permissions for spigot

---
 spigot/build.gradle                           |  1 +
 .../java/org/dynmap/bukkit/DynmapPlugin.java  |  3 +
 .../permissions/LuckPermsPermissions.java     | 95 +++++++++++++++++++
 spigot/src/main/resources/plugin.yml          |  2 +-
 4 files changed, 100 insertions(+), 1 deletion(-)
 create mode 100644 spigot/src/main/java/org/dynmap/bukkit/permissions/LuckPermsPermissions.java

diff --git a/spigot/build.gradle b/spigot/build.gradle
index a5ddcc77..ba60c7b0 100644
--- a/spigot/build.gradle
+++ b/spigot/build.gradle
@@ -4,6 +4,7 @@ description = 'dynmap'
 dependencies {
   compile group: 'org.bukkit', name: 'bukkit', version:'1.7.10-R0.1-SNAPSHOT'
     compile 'com.nijikokun.bukkit:Permissions:3.1.6'
+    compile 'me.lucko.luckperms:luckperms-api:4.3'
     compile project(":dynmap-api")
     compile project(path: ":DynmapCore", configuration: "shadow")
     compile group: 'ru.tehkode', name: 'PermissionsEx', version:'1.19.1'
diff --git a/spigot/src/main/java/org/dynmap/bukkit/DynmapPlugin.java b/spigot/src/main/java/org/dynmap/bukkit/DynmapPlugin.java
index b9a81624..5f854975 100644
--- a/spigot/src/main/java/org/dynmap/bukkit/DynmapPlugin.java
+++ b/spigot/src/main/java/org/dynmap/bukkit/DynmapPlugin.java
@@ -89,6 +89,7 @@ import org.dynmap.bukkit.permissions.PermBukkitPermissions;
 import org.dynmap.bukkit.permissions.GroupManagerPermissions;
 import org.dynmap.bukkit.permissions.PermissionProvider;
 import org.dynmap.bukkit.permissions.bPermPermissions;
+import org.dynmap.bukkit.permissions.LuckPermsPermissions;
 import org.dynmap.common.BiomeMap;
 import org.dynmap.common.DynmapCommandSender;
 import org.dynmap.common.DynmapPlayer;
@@ -827,6 +828,8 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
             permissions = NijikokunPermissions.create(getServer(), "dynmap");
         if (permissions == null)
             permissions = GroupManagerPermissions.create(getServer(), "dynmap");
+        if (permissions == null)
+            permissions = LuckPermsPermissions.create(getServer(), "dynmap");
         if (permissions == null)
             permissions = BukkitPermissions.create("dynmap", perdefs);
         if (permissions == null)
diff --git a/spigot/src/main/java/org/dynmap/bukkit/permissions/LuckPermsPermissions.java b/spigot/src/main/java/org/dynmap/bukkit/permissions/LuckPermsPermissions.java
new file mode 100644
index 00000000..7ab582b2
--- /dev/null
+++ b/spigot/src/main/java/org/dynmap/bukkit/permissions/LuckPermsPermissions.java
@@ -0,0 +1,95 @@
+package org.dynmap.bukkit.permissions;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+import me.lucko.luckperms.api.LuckPermsApi;
+import me.lucko.luckperms.api.User;
+import me.lucko.luckperms.api.caching.PermissionData;
+
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.Server;
+import org.bukkit.command.CommandSender;
+import org.dynmap.Log;
+
+public class LuckPermsPermissions implements PermissionProvider {
+    String name;
+    LuckPermsApi luckPerms;
+
+    public static LuckPermsPermissions create(Server server, String name) {
+        if (!server.getPluginManager().isPluginEnabled("LuckPerms"))
+            return null;
+        LuckPermsApi luckPerms = server.getServicesManager().load(LuckPermsApi.class);
+        if (luckPerms == null)
+            return null;
+        Log.info("Using LuckPerms " + luckPerms.getPlatformInfo().getVersion() + " for access control");
+        return new LuckPermsPermissions(name, luckPerms);
+    }
+
+    public LuckPermsPermissions(String name, LuckPermsApi luckPerms) {
+        this.name = name;
+        this.luckPerms = luckPerms;
+    }
+
+    @Override
+    public boolean has(CommandSender sender, String permission) {
+        return sender.hasPermission(name + "." + permission);
+    }
+
+    @Override
+    public Set<String> hasOfflinePermissions(String player, Set<String> perms) {
+        Set<String> result = new HashSet<>();
+        PermissionData user = getUser(player);
+        if (user != null) {
+            for (String p : perms) {
+                if (user.getPermissionValue(name + "." + p).asBoolean())
+                    result.add(p);
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public boolean hasOfflinePermission(String player, String perm) {
+        PermissionData user = getUser(player);
+        if (user == null)
+            return false;
+        return user.getPermissionValue(name + "." + perm).asBoolean();
+    }
+
+    private PermissionData getUser(String username) {
+        OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayer(username);
+        UUID uuid;
+
+        if (offlinePlayer != null && offlinePlayer.getUniqueId() != null)
+            uuid = offlinePlayer.getUniqueId();
+        else
+            uuid = joinFuture(luckPerms.getStorage().getUUID(username));
+
+        if (uuid == null)
+            return null;
+
+        User user = luckPerms.getUser(uuid);
+        if (user == null) {
+            joinFuture(luckPerms.getStorage().loadUser(uuid));
+            user = luckPerms.getUser(uuid);
+        }
+
+        if (user == null)
+            return null;
+
+        return user.getCachedData().getPermissionData(luckPerms.getContextManager().getStaticContexts());
+    }
+
+    private static <T> T joinFuture(Future<T> future) {
+        try {
+            return future.get();
+        } catch (InterruptedException | ExecutionException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
\ No newline at end of file
diff --git a/spigot/src/main/resources/plugin.yml b/spigot/src/main/resources/plugin.yml
index f4002908..2e722eb7 100644
--- a/spigot/src/main/resources/plugin.yml
+++ b/spigot/src/main/resources/plugin.yml
@@ -3,7 +3,7 @@ main: org.dynmap.bukkit.DynmapPlugin
 version: "${version}-${buildnumber}"
 authors: [mikeprimm]
 website: "https://forums.dynmap.us"
-softdepend: [ Permissions, PermissionEx, bPermissions, PermissionsBukkit, GroupManager ]
+softdepend: [ Permissions, PermissionEx, bPermissions, PermissionsBukkit, GroupManager, LuckPerm ]
 commands:
   dynmap:
     description: Controls Dynmap.