Add Premium verification

Bukkit/src/main/java/com/github/intellectualsites/plotsquared/bukkit/BukkitMain.java

@@ -47,22 +47,8 @@ import com.github.intellectualsites.plotsquared.plot.object.worlds.PlotAreaManag
 import com.github.intellectualsites.plotsquared.plot.object.worlds.SinglePlotArea;
 import com.github.intellectualsites.plotsquared.plot.object.worlds.SinglePlotAreaManager;
 import com.github.intellectualsites.plotsquared.plot.object.worlds.SingleWorldGenerator;
-import com.github.intellectualsites.plotsquared.plot.util.ChatManager;
+import com.github.intellectualsites.plotsquared.plot.util.*;
-import com.github.intellectualsites.plotsquared.plot.util.ChunkManager;
-import com.github.intellectualsites.plotsquared.plot.util.ConsoleColors;
-import com.github.intellectualsites.plotsquared.plot.util.EconHandler;
-import com.github.intellectualsites.plotsquared.plot.util.EventUtil;
-import com.github.intellectualsites.plotsquared.plot.util.InventoryUtil;
-import com.github.intellectualsites.plotsquared.plot.util.MainUtil;
-import com.github.intellectualsites.plotsquared.plot.util.ReflectionUtils;
-import com.github.intellectualsites.plotsquared.plot.util.SchematicHandler;
-import com.github.intellectualsites.plotsquared.plot.util.SetupUtils;
-import com.github.intellectualsites.plotsquared.plot.util.StringMan;
-import com.github.intellectualsites.plotsquared.plot.util.TaskManager;
-import com.github.intellectualsites.plotsquared.plot.util.UUIDHandler;
-import com.github.intellectualsites.plotsquared.plot.util.UUIDHandlerImplementation;
 import com.github.intellectualsites.plotsquared.bukkit.util.UpdateUtility;
-import com.github.intellectualsites.plotsquared.plot.util.WorldUtil;
 import com.github.intellectualsites.plotsquared.plot.util.block.QueueProvider;
 import com.github.intellectualsites.plotsquared.plot.uuid.UUIDWrapper;
 import com.sk89q.worldedit.WorldEdit;
@@ -100,6 +86,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
+import static com.github.intellectualsites.plotsquared.plot.util.PremiumVerification.getUserID;
 import static com.github.intellectualsites.plotsquared.plot.util.ReflectionUtils.getRefClass;
 
 public final class BukkitMain extends JavaPlugin implements Listener, IPlotMain {
@@ -164,6 +151,15 @@ public final class BukkitMain extends JavaPlugin implements Listener, IPlotMain
 
         new UpdateUtility(this).updateChecker();
 
+        new PremiumVerification();
+        PremiumVerification.isPremium();
+        if (PremiumVerification.isPremium()) {
+            PlotSquared.log(Captions.PREFIX + "&6PlotSquared version licensed to Spigot user " + getUserID());
+            PlotSquared.log(Captions.PREFIX + "&6Thanks for supporting us :)");
+        } else {
+            PlotSquared.log(Captions.PREFIX + "&6Couldn't verify purchase :(");
+        }
+
         if (Bukkit.getPluginManager().getPlugin("PlaceholderAPI") != null) {
             new Placeholders(this).register();
             PlotSquared.log(Captions.PREFIX + "&6PlaceholderAPI found! Hook activated.");

Core/src/main/java/com/github/intellectualsites/plotsquared/plot/commands/DebugPaste.java

@@ -25,6 +25,9 @@ import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
+import static com.github.intellectualsites.plotsquared.plot.util.PremiumVerification.getDownloadID;
+import static com.github.intellectualsites.plotsquared.plot.util.PremiumVerification.getUserID;
+
 @CommandDeclaration(command = "debugpaste", aliases = "dp", usage = "/plot debugpaste",
     description = "Upload settings.yml, worlds.yml, PlotSquared.use_THIS.yml your latest.log and Multiverse's worlds.yml (if being used) to https://athion.net/ISPaster/paste",
     permission = "plots.debugpaste", category = CommandCategory.DEBUG, confirmation = true, requiredType = RequiredType.NONE)
@@ -50,6 +53,8 @@ public class DebugPaste extends SubCommand {
                 b.append(
                     "# Welcome to this paste\n# It is meant to provide us at IntellectualSites with better information about your "
                         + "problem\n\n");
+                b.append("# PlotSquared Information\n");
+                b.append("This PlotSquared version is licensed to the spigot user ").append(getUserID()).append(" under ").append(getDownloadID()).append("\n");
                 b.append("# Server Information\n");
                 b.append("Server Version: ").append(PlotSquared.get().IMP.getServerImplementation())
                     .append("\n");

Core/src/main/java/com/github/intellectualsites/plotsquared/plot/commands/PluginCmd.java

@@ -6,21 +6,18 @@ import com.github.intellectualsites.plotsquared.plot.object.PlotPlayer;
 import com.github.intellectualsites.plotsquared.plot.util.MainUtil;
 import com.github.intellectualsites.plotsquared.plot.util.TaskManager;
 
+import static com.github.intellectualsites.plotsquared.plot.util.PremiumVerification.isPremium;
+
 @CommandDeclaration(command = "plugin", permission = "plots.use",
     description = "Show plugin information", usage = "/plot plugin", aliases = "version",
     category = CommandCategory.INFO) public class PluginCmd extends SubCommand {
 
     @Override public boolean onCommand(final PlotPlayer player, String[] args) {
-        TaskManager.IMP.taskAsync(new Runnable() {
+        TaskManager.IMP.taskAsync(() -> {
-            @Override public void run() {
+            MainUtil.sendMessage(player, String.format("$2>> $1&l" + PlotSquared.imp().getPluginName() + " $2($1Version$2: $1%s$2)", PlotSquared.get().getVersion()));
-                MainUtil.sendMessage(player, String.format(
+            MainUtil.sendMessage(player, "$2>> $1&lAuthors$2: $1Citymonstret $2& $1Empire92 $2& $1MattBDev $2& $1dordsor21 $2& $1NotMyFault");
-                    "$2>> $1&l" + PlotSquared.imp().getPluginName() + " $2($1Version$2: $1%s$2)",
+            MainUtil.sendMessage(player, "$2>> $1&lWiki$2: $1https://github.com/IntellectualSites/PlotSquared/wiki");
-                    PlotSquared.get().getVersion()));
+            MainUtil.sendMessage(player, "$2>> $1&lPremium$2: $1" + isPremium());
-                MainUtil.sendMessage(player,
-                    "$2>> $1&lAuthors$2: $1Citymonstret $2& $1Empire92 $2& $1MattBDev $2& $1dordsor21 $2& $1NotMyFault");
-                MainUtil.sendMessage(player,
-                    "$2>> $1&lWiki$2: $1https://github.com/IntellectualSites/PlotSquared/wiki");
-            }
         });
         return true;
     }

Core/src/main/java/com/github/intellectualsites/plotsquared/plot/util/PremiumVerification.java

@@ -0,0 +1,35 @@
+package com.github.intellectualsites.plotsquared.plot.util;
+
+public class PremiumVerification {
+    private static Boolean usingPremium;
+
+    /**
+     * @return Account ID if downloaded through SpigotMC
+     */
+    public static String getUserID() {
+        return "%%__USER__%%";
+    }
+
+    /**
+     * @return Download ID if downloaded through SpigotMC
+     */
+    public static String getDownloadID() {
+        return "%%__NONCE__%%";
+    }
+
+    /**
+     * @param userID Spigot user ID
+     * @return true if userID does not contain __USER__
+     */
+    private static Boolean isPremium(String userID) {
+        return !userID.contains("__USER__");
+    }
+
+    /**
+     * Returns true if this plugin is premium
+     */
+    public static Boolean isPremium() {
+        return usingPremium == null ? isPremium(getUserID()) : usingPremium;
+    }
+
+}