Moved to Polymart check, updated deps

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>nl.SBDeveloper</groupId>
     <artifactId>ThemeParkPlus</artifactId>
-    <version>3.0.0</version>
+    <version>3.1.0</version>
     <packaging>jar</packaging>
 
     <name>ThemeParkPlus</name>
@@ -121,7 +121,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.18.1-R0.1-SNAPSHOT</version>
+            <version>1.18.2-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -129,7 +129,7 @@
             <artifactId>themepark</artifactId>
             <version>3.1.1</version>
             <scope>system</scope>
-            <systemPath>${pom.basedir}/src/lib/themepark-3.1.1.jar</systemPath>
+            <systemPath>${pom.basedir}/src/lib/ThemePark_v3.1.1.jar</systemPath>
         </dependency>
         <dependency>
             <groupId>me.paradoxpixel</groupId>
@@ -147,7 +147,7 @@
         <dependency>
             <groupId>de.tr7zw</groupId>
             <artifactId>item-nbt-api</artifactId>
-            <version>2.8.0</version>
+            <version>2.9.2</version>
         </dependency>
         <dependency>
             <groupId>com.github.MilkBowl</groupId>

src/main/java/nl/sbdeveloper/themeparkplus/ThemeParkPlus.java

@@ -5,9 +5,9 @@ import nl.sbdeveloper.themeparkplus.commands.TPPCMD;
 import nl.sbdeveloper.themeparkplus.listeners.*;
 import nl.sbdeveloper.themeparkplus.managers.DBManager;
 import nl.sbdeveloper.themeparkplus.sbutils.UpdateManager;
+import nl.sbdeveloper.themeparkplus.sbutils.Verify;
 import nl.sbdeveloper.themeparkplus.sbutils.YamlFile;
 import nl.sbdeveloper.themeparkplus.util.Inventory;
-import nl.sbdeveloper.themeparkplus.util.License;
 import org.bstats.bukkit.Metrics;
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.file.YamlConfiguration;
@@ -80,7 +80,12 @@ public final class ThemeParkPlus extends JavaPlugin {
             return;
         }
 
-        new License(this, "TP", license);
+        getLogger().info("This copy is bought by %%__USERNAME__%% (%%__USER__%%).");
+        getLogger().info("Validating your purchase...");
+        Verify v = new Verify(this);
+        if (v.isValidated()) {
+            getLogger().info("Your purchase is valid. Thanks for your purchase!");
+        }
 
         if (Bukkit.getPluginManager().getPlugin("WorldEdit") == null) {
             Bukkit.getLogger().severe("[ThemeParkPlus] Missing WorldEdit! Please install it first.");
@@ -153,7 +158,7 @@ public final class ThemeParkPlus extends JavaPlugin {
         new Metrics(this, 5023);
 
         if (getSConfig().getFile().getBoolean("UpdateChecker.Enabled")) {
-            UpdateManager updateManager = new UpdateManager(this, 7, license);
+            UpdateManager updateManager = new UpdateManager(this, UpdateManager.CheckType.POLYMART_PAID);
 
             updateManager.handleResponse((versionResponse, version) -> {
                 switch (versionResponse) {

src/main/java/nl/sbdeveloper/themeparkplus/managers/DBManager.java

@@ -8,7 +8,7 @@ import nl.sbdeveloper.themeparkplus.api.objects.MalfunctionReport;
 import nl.sbdeveloper.themeparkplus.api.objects.WaitingRow;
 import nl.sbdeveloper.themeparkplus.sbutils.LocationSerializer;
 import nl.sbdeveloper.themeparkplus.sbutils.SQLiteDB;
-import nl.sbdeveloper.themeparkplus.util.License;
+import nl.sbdeveloper.themeparkplus.sbutils.Verify;
 import nl.sbdeveloper.themeparkplus.util.LocationGsonAdapter;
 import org.bukkit.Location;
 
@@ -95,7 +95,7 @@ public class DBManager {
     }
 
     public void save() {
-        if (License.isValid() == null || !License.isValid()) return;
+        if (Verify.isValid() == null || !Verify.isValid()) return;
 
         for (Map.Entry<Location, Gate> entry : PlusAPI.getGates().entrySet()) {
             Gson gson = getGson();

src/main/java/nl/sbdeveloper/themeparkplus/sbutils/UpdateManager.java

@@ -1,8 +1,13 @@
+/*
+ * This file is part of TPRidecountAddon.
+ * Copyright (c) 2018-2022. SBDevelopment - All Rights Reserved
+ * Unauthorized copying of this file, via any medium is strictly prohibited
+ * Proprietary and confidential
+ * Written by Stijn Bannink <stijnbannink23@gmail.com>, April 2022
+ */
+
 package nl.sbdeveloper.themeparkplus.sbutils;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -10,66 +15,62 @@ import org.bukkit.plugin.java.JavaPlugin;
 import javax.net.ssl.HttpsURLConnection;
 import java.io.*;
 import java.lang.reflect.Method;
-import java.net.HttpURLConnection;
 import java.net.URL;
 import java.nio.channels.Channels;
 import java.nio.channels.FileChannel;
 import java.nio.channels.ReadableByteChannel;
-import java.nio.charset.StandardCharsets;
 import java.util.function.BiConsumer;
 
 /**
- * Update class for SBDevelopment
+ * Update checker class
+ *
  * @author Stijn [SBDeveloper]
  * @since 05-03-2020
- * @version 2.0 [26-12-2020] - This class supports the v2 Update API
+ * @version 2.2 [17-04-2022] - Added Polymart support
- *
- * <p>&copy; Stijn Bannink [stijnbannink23@gmail.com] - All rights reserved.</p>
  */
 public class UpdateManager {
-
     private static final String SPIGOT_API = "https://api.spigotmc.org/legacy/update.php?resource=%d";
-    private static final String SPIGOT_DOWNLOAD = "http://api.spiget.org/v2/resources/%s/download";
+    private static final String SPIGOT_DOWNLOAD = "https://api.spiget.org/v2/resources/%s/download";
 
-    private static final String SBDPLUGINS_API = "https://updates.sbdplugins.nl/api/v2/plugins/%d";
+    private static final String POLYMART_API = "https://api.polymart.org/v1/getResourceInfoSimple/?resource_id=%d&key=version";
-    private static final String SBDPLUGINS_DOWNLOAD = "https://updates.sbdplugins.nl/api/v2/download/%d";
+    private static final String POLYMART_DOWNLOAD = "https://api.polymart.org/v1/requestUpdateURL/?inject_version=%d&resource_id=%d&user_id=%d&nonce=%d&download_agent=%d&download_time=%d&download_token=%s";
 
     private final Plugin plugin;
     private final Version currentVersion;
-    private final int resourceID;
     private final CheckType type;
-    private final String license;
+
+    //Spigot & Polymart
+    private final int resourceID;
+
+    //Polymart only
+    private int injector_version;
+    private int user_id;
+    private int nonce;
+    private int download_agent;
+    private int download_time;
+    private String download_token;
 
     private BiConsumer<VersionResponse, Version> versionResponse;
     private BiConsumer<DownloadResponse, String> downloadResponse;
 
     /**
-     * Construct a new UpdateManager for Spigot
+     * Construct a new UpdateManager
      *
-     * @param plugin The javaplugin (Main class)
+     * @param plugin The plugin instance
-     * @param resourceID The resourceID on spigot/sbdplugins
      */
-    public UpdateManager(Plugin plugin, int resourceID) {
+    public UpdateManager(Plugin plugin, CheckType type) {
         this.plugin = plugin;
         this.currentVersion = new Version(plugin.getDescription().getVersion());
-        this.resourceID = resourceID;
+        this.type = type;
-        this.type = CheckType.SPIGOT;
+        this.resourceID = Integer.parseInt("%%__RESOURCE__%%");
-        this.license = null;
+        if (type == CheckType.POLYMART_PAID) {
-    }
+            this.injector_version = Integer.parseInt("%%__INJECT_VER__%%");
-
+            this.user_id = Integer.parseInt("%%__USER__%%");
-    /**
+            this.nonce = Integer.parseInt("%%__NONCE__%%");
-     * Construct a new UpdateManager for SBDPlugins
+            this.download_agent = Integer.parseInt("%%__AGENT__%%");
-     *
+            this.download_time = Integer.parseInt("%%__TIMESTAMP__%%");
-     * @param plugin The javaplugin (Main class)
+            this.download_token = "%%__VERIFY_TOKEN__%%";
-     * @param resourceID The resourceID on spigot/sbdplugins
+        }
-     * @param license The license for the download
-     */
-    public UpdateManager(Plugin plugin, int resourceID, String license) {
-        this.plugin = plugin;
-        this.currentVersion = new Version(plugin.getDescription().getVersion());
-        this.resourceID = resourceID;
-        this.type = CheckType.SBDPLUGINS;
-        this.license = license;
     }
 
     /**
@@ -93,25 +94,16 @@ public class UpdateManager {
     public void check() {
         Bukkit.getScheduler().runTaskAsynchronously(this.plugin, () -> {
             try {
-                BufferedReader in = null;
+                HttpsURLConnection con;
-                if (type == CheckType.SPIGOT) {
+                if (type == CheckType.POLYMART_PAID) {
-                    HttpsURLConnection con = (HttpsURLConnection) new URL(String.format(SPIGOT_API, this.resourceID)).openConnection();
+                    con = (HttpsURLConnection) new URL(String.format(POLYMART_API, this.resourceID)).openConnection();
-                    con.setRequestMethod("GET");
+                } else {
-                    con.setRequestProperty("User-Agent", "Mozilla/5.0");
+                    con = (HttpsURLConnection) new URL(String.format(SPIGOT_API, this.resourceID)).openConnection();
-
-                    in = new BufferedReader(new InputStreamReader(con.getInputStream()));
-                } else if (type == CheckType.SBDPLUGINS) {
-                    HttpsURLConnection con = (HttpsURLConnection) new URL(String.format(SBDPLUGINS_API, this.resourceID)).openConnection();
-                    con.setRequestMethod("GET");
-                    con.setRequestProperty("User-Agent", "Mozilla/5.0");
-
-                    in = new BufferedReader(new InputStreamReader(con.getInputStream()));
                 }
+                con.setRequestMethod("GET");
+                con.setRequestProperty("User-Agent", "SBDChecker/2.1");
 
-                if (in == null) return;
+                BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
-
-                String version;
-
                 String inputLine;
                 StringBuilder response = new StringBuilder();
                 while ((inputLine = in.readLine()) != null) {
@@ -119,21 +111,7 @@ public class UpdateManager {
                 }
                 in.close();
 
-                JsonParser parser = new JsonParser();
+                Version onlineVersion = new Version(response.toString());
-
-                if (type == CheckType.SPIGOT) {
-                    JsonArray array = parser.parse(response.toString()).getAsJsonArray();
-
-                    version = array.get(0).getAsJsonObject().get("name").getAsString();
-                } else {
-                    JsonObject object = parser.parse(response.toString()).getAsJsonObject();
-
-                    version = object.get("version").getAsString();
-                }
-
-                if (version == null) return;
-
-                Version onlineVersion = new Version(version);
 
                 VersionResponse verRes = this.currentVersion.check(onlineVersion);
 
@@ -166,37 +144,16 @@ public class UpdateManager {
             ReadableByteChannel channel;
             try {
                 //https://stackoverflow.com/questions/921262/how-to-download-and-save-a-file-from-internet-using-java
-                int response;
+                HttpsURLConnection connection;
-                InputStream stream;
+                if (type == CheckType.POLYMART_PAID) {
-                if (type == CheckType.SBDPLUGINS) {
+                    connection = (HttpsURLConnection) new URL(String.format(POLYMART_DOWNLOAD, this.injector_version, this.resourceID, this.user_id, this.nonce, this.download_agent, this.download_time, this.download_token)).openConnection();
-                    HttpURLConnection connection = (HttpURLConnection) new URL(String.format(SBDPLUGINS_DOWNLOAD, this.resourceID)).openConnection();
-
-                    String urlParameters = "license=" + license + "&port=" + Bukkit.getPort();
-                    byte[] postData = urlParameters.getBytes(StandardCharsets.UTF_8);
-                    int postDataLength = postData.length;
-
-                    connection.setRequestMethod("GET");
-                    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
-                    connection.setRequestProperty("charset", "utf-8");
-                    connection.setRequestProperty("Content-Length", Integer.toString(postDataLength));
-                    connection.setRequestProperty("User-Agent", "Mozilla/5.0");
-                    connection.setDoOutput(true);
-
-                    DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
-                    wr.write(postData);
-                    wr.close();
-
-                    response = connection.getResponseCode();
-                    stream = connection.getInputStream();
                 } else {
-                    HttpsURLConnection connection = (HttpsURLConnection) new URL(String.format(SPIGOT_DOWNLOAD, this.resourceID)).openConnection();
+                    connection = (HttpsURLConnection) new URL(String.format(SPIGOT_DOWNLOAD, this.resourceID)).openConnection();
-                    connection.setRequestProperty("User-Agent", "Mozilla/5.0");
-
-                    response = connection.getResponseCode();
-                    stream = connection.getInputStream();
                 }
+                connection.setRequestProperty("User-Agent", "Mozilla/5.0");
 
-                if (response != 200) {
+                InputStream stream = connection.getInputStream();
+                if (connection.getResponseCode() != 200) {
                     BufferedReader in = new BufferedReader(new InputStreamReader(stream));
 
                     String inputLine;
@@ -206,7 +163,7 @@ public class UpdateManager {
                     }
                     in.close();
 
-                    throw new RuntimeException("Download returned status #" + response, new Throwable(responsestr.toString()));
+                    throw new RuntimeException("Download returned status #" + connection.getResponseCode(), new Throwable(responsestr.toString()));
                 }
 
                 channel = Channels.newChannel(stream);
@@ -259,8 +216,8 @@ public class UpdateManager {
         }
     }
 
-    private enum CheckType {
+    public enum CheckType {
-        SPIGOT, SBDPLUGINS
+        SPIGOT, POLYMART_PAID
     }
 
     public enum VersionResponse {

src/main/java/nl/sbdeveloper/themeparkplus/sbutils/Verify.java

@@ -0,0 +1,165 @@
+/*
+ * This file is part of ActionFoto.
+ * Copyright (c) 2018-2022. SBDevelopment - All Rights Reserved
+ * Unauthorized copying of this file, via any medium is strictly prohibited
+ * Proprietary and confidential
+ * Written by Stijn Bannink <stijnbannink23@gmail.com>, April 2022
+ */
+
+package nl.sbdeveloper.themeparkplus.sbutils;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+/**
+ * Purchase verification class
+ *
+ * @author Stijn [SBDeveloper]
+ * @version 2.0 [17-04-2022] - Updated to Polymart
+ * @since 23-12-2019
+ */
+public class Verify implements Listener {
+    private static final String endpointURL = "https://api.polymart.org/v1/verifyPurchase/?inject_version=%d&resource_id=%d&user_id=%d&nonce=%d&download_agent=%d&download_time=%d&download_token=%s";
+
+    private final JavaPlugin plugin; // The plugin instance
+
+    private final int resourceID;
+    private final int injector_version;
+    private final int user_id;
+    private final int nonce;
+    private final int download_agent;
+    private final int download_time;
+    private final String download_token;
+
+    private String invalidReason = null; // The reason the license is invalid, if null it's not invalid!
+    private static Boolean valid = null; // If true, it's valid, if false, it's not valid, if null it's not checked!
+
+    /**
+     * Construct a new license
+     *
+     * @param plugin The plugin
+     */
+    public Verify(JavaPlugin plugin) {
+        this.plugin = plugin;
+
+        this.resourceID = Integer.parseInt("%%__RESOURCE__%%");
+        this.injector_version = Integer.parseInt("%%__INJECT_VER__%%");
+        this.user_id = Integer.parseInt("%%__USER__%%");
+        this.nonce = Integer.parseInt("%%__NONCE__%%");
+        this.download_agent = Integer.parseInt("%%__AGENT__%%");
+        this.download_time = Integer.parseInt("%%__TIMESTAMP__%%");
+        this.download_token = "%%__VERIFY_TOKEN__%%";
+
+        Bukkit.getPluginManager().registerEvents(this, plugin);
+
+        validate();
+    }
+
+    @EventHandler
+    public void onJoin(PlayerJoinEvent e) {
+        if (this.invalidReason == null) return;
+
+        Player p = e.getPlayer();
+        if (p.isOp() || p.hasPermission("sbd.licensemessages")) {
+            Bukkit.getScheduler().runTaskLater(this.plugin, () -> p.sendMessage(ChatColor.GOLD + "[" + ChatColor.RED + this.plugin.getName() + ChatColor.GOLD + "] " + ChatColor.RED + "The license is incorrect! Reason: " + ChatColor.GOLD + this.invalidReason), 5 * 20L /* 5 sec */);
+        }
+    }
+
+    /**
+     * Validate the purchase
+     */
+    private void validate() {
+        try {
+            URL url = new URL(String.format(endpointURL, this.injector_version, this.resourceID, this.user_id, this.nonce, this.download_agent, this.download_time, this.download_token));
+            HttpURLConnection con = (HttpURLConnection) url.openConnection();
+            con.setRequestMethod("GET");
+            con.setRequestProperty("User-Agent", "SBDVerify/2.0");
+            con.setConnectTimeout(5000); //Timeout after 5 sec.
+            con.setReadTimeout(5000); //Timeout after 5 sec.
+            int code = con.getResponseCode();
+            if (code != 200) {
+                disable("Could not send the validating request.");
+                return;
+            }
+            BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
+            String inputLine;
+            StringBuilder response = new StringBuilder();
+            while ((inputLine = in.readLine()) != null) {
+                response.append(inputLine);
+            }
+            in.close();
+
+            JsonObject json = new JsonParser().parse(response.toString()).getAsJsonObject();
+            if (json == null) {
+                disable("Could not send the validating request.");
+                return;
+            }
+
+            if (!json.has("response")) {
+                disable("An invalid response was returned by the validating request.");
+                return;
+            }
+
+            JsonObject resp = json.get("response").getAsJsonObject();
+            if (!resp.has("success")) {
+                disable("An invalid response was returned by the validating request.");
+                return;
+            }
+
+            if (!resp.get("success").getAsBoolean()) {
+                disable("The purchase of this plugin could not be verified.");
+            }
+        } catch (IOException e) {
+            disable("Could not send the validating request.");
+        }
+    }
+
+    /**
+     * Disable the plugin (private)
+     *
+     * @param reason The disabling reason
+     */
+    private void disable(String reason) {
+        this.invalidReason = reason;
+
+        Bukkit.getScheduler().runTask(this.plugin, () -> {
+            valid = false;
+
+            plugin.getLogger().severe("Stopping plugin because licensing system check failed.");
+            plugin.getLogger().severe("Reason: " + reason);
+            plugin.getLogger().severe("Contact the developer if you believe something is wrong on their side.");
+            Bukkit.getPluginManager().disablePlugin(this.plugin);
+        });
+    }
+
+    /**
+     * Check if the license is valid
+     *
+     * @return true = VALID, false = INVALID, null = UNCHECKED
+     */
+    public Boolean isValidated() {
+        return this.invalidReason == null;
+    }
+
+    /**
+     * Check if the license is valid
+     *
+     * @return true = VALID, false = INVALID, null = UNCHECKED
+     */
+    public static Boolean isValid() {
+        return valid;
+    }
+}

src/main/java/nl/sbdeveloper/themeparkplus/util/License.java

@@ -1,312 +0,0 @@
-package nl.sbdeveloper.themeparkplus.util;
-
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import org.bukkit.Bukkit;
-import org.bukkit.ChatColor;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.event.player.PlayerJoinEvent;
-import org.bukkit.plugin.java.JavaPlugin;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
-/**
- * License class for SBDevelopment
- *
- * v1.6 - Changed on 06-08-2020
- *
- * @author Stijn [SBDeveloper]
- * @since 23-12-2019
- */
-public class License implements Listener {
-    /*
-     This file is part of ThemeParkRidecountAddon.
-     Copyright (c) 2018-2020 SBDevelopment - All Rights Reserved
-     Unauthorized copying of this file, via any medium is strictly prohibited
-     Proprietary and confidential
-     Written by Stijn Bannink <stijnbannink23@gmail.com>, January 2020
-    */
-
-    private final JavaPlugin plugin; // The plugin instance
-    private final String license; // The license code
-    private final String prefix; // The correct prefix for this plugin
-    private String invalidReason; // The reason the license is invalid, if null it's not invalid!
-    private static Boolean valid; // If true, it's valid, if false, it's not valid, if null it's not checked!
-
-    /**
-     * Construct a new license
-     *  @param plugin The Main class [Javaplugin]
-     * @param prefix The prefix, like TPP or AF
-     * @param license The license from the config
-     */
-    public License(JavaPlugin plugin, String prefix, String license) {
-        this.prefix = prefix;
-        this.plugin = plugin;
-        this.license = license;
-
-        Bukkit.getPluginManager().registerEvents(this, plugin);
-
-        validateLicense();
-    }
-
-    @EventHandler
-    public void onJoin(PlayerJoinEvent e) {
-        if (this.invalidReason == null) return;
-
-        Player p = e.getPlayer();
-        if (p.isOp() || p.hasPermission("sbd.licensemessages")) {
-            Bukkit.getScheduler().runTaskLater(this.plugin, () -> p.sendMessage(ChatColor.GOLD + "[" + ChatColor.RED + this.plugin.getName() + ChatColor.GOLD + "] " + ChatColor.RED + "The license is incorrect! Reason: " + ChatColor.GOLD + this.invalidReason), 3 * 20L /* 3 sec */);
-        }
-    }
-
-    /**
-     * Check a license
-     *
-     */
-    private void validateLicense() {
-        //STEP 1: Check prefix
-        if (!this.license.split("-")[0].contains(this.prefix)) {
-            disable("You used the wrong license for this product.");
-            return;
-        }
-
-        //STEP 2: Send license request
-        String url = "https://sbdplugins.nl/wp-json/lmfwc/v2/licenses/" + this.license;
-        JsonObject response;
-        try {
-            response = sendGETRequestJSON(url);
-        } catch (IOException e) {
-            disable("Something went wrong while sending the request.");
-            return;
-        }
-
-        if (response == null) {
-            disable("Something went wrong while sending the request. Did you even fill out a license?");
-            return;
-        }
-
-        JsonObject dataObject = response.get("data").getAsJsonObject();
-
-        //STEP 3: Check status
-        switch(dataObject.get("status").getAsString()) {
-            case "2":
-                //Delivered -> Try to activate (double check timesActivated)
-                break;
-            case "3":
-                //Activated!
-                break;
-            default:
-                disable("Your license has a wrong status.");
-                return;
-        }
-
-        //STEP 4: Check times activated, and if not activated, activate.
-        if (dataObject.get("timesActivated").isJsonNull() || dataObject.get("timesActivated").getAsString().equalsIgnoreCase("0")) {
-            activate();
-            return;
-        }
-
-        //STEP 5: Check expire date
-        if (dataObject.get("expiresAt").isJsonNull()) {
-            disable("Your license has no expire date.");
-            return;
-        }
-
-        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-        Date date;
-        try {
-            date = format.parse(dataObject.get("expiresAt").getAsString());
-        } catch (ParseException e) {
-            e.printStackTrace();
-            disable("Your license has a wrong expire date.");
-            return;
-        }
-
-        if (date == null) {
-            disable("Your license has a wrong expire date.");
-            return;
-        }
-
-        if (!(date.after(new Date()))) {
-            disable("Your license has expired.");
-            return;
-        }
-
-        //STEP 6: Check IP and port.
-        if (!dataObject.get("ipcheck").getAsBoolean()) {
-            disable("Your license has been used with another IP. Update it in our Discord.");
-            return;
-        }
-
-        if (dataObject.get("port").isJsonNull()) {
-            disable("Your license has no port.");
-            return;
-        }
-
-        String por = dataObject.get("port").getAsString();
-        if (!checkPortValue(Bukkit.getServer().getPort(), por)) {
-            disable("Your license has been used with another Port. Update it in our Discord.");
-            return;
-        }
-
-        valid = true;
-    }
-
-    /**
-     * Activate the license
-     *
-     */
-    private void activate() {
-        //STEP 1: Send license activate request
-        String url = "https://sbdplugins.nl/wp-json/lmfwc/v2/licenses/activate/" + this.license + "?port=" + Bukkit.getServer().getPort();
-        @Nullable JsonObject response;
-        try {
-            response = sendGETRequestJSON(url);
-        } catch (IOException e) {
-            disable("Something went wrong while sending the request.");
-            return;
-        }
-
-        if (response == null) {
-            disable("Something went wrong while sending the request. Did you even fill out a license?");
-            return;
-        }
-
-        JsonObject dataObject = response.get("data").getAsJsonObject();
-
-        //STEP 2: Check status
-        switch(dataObject.get("status").getAsString()) {
-            case "2":
-                //Delivered -> STILL NOT ACTIVATED?! -> Double check
-                break;
-            case "3":
-                //Activated!
-                break;
-            default:
-                disable("Your license has a wrong status.");
-                return;
-        }
-
-        //STEP 3: Check times activated, and if still not activated, disable.
-        if (dataObject.get("timesActivated").isJsonNull() || dataObject.get("timesActivated").getAsString().equalsIgnoreCase("0")) {
-            disable("Couldn't activate the license.");
-        }
-    }
-
-    /**
-     * Disable the plugin (private)
-     *
-     * @param reason The disabling reason
-     */
-    private void disable(String reason) {
-        this.invalidReason = reason;
-
-        Bukkit.getScheduler().runTask(this.plugin, () -> {
-            valid = false;
-
-            Bukkit.getLogger().severe("[" + this.plugin.getName() + "] Stopping plugin because licensing system check failed.");
-            Bukkit.getLogger().severe("[" + this.plugin.getName() + "] Reason: " + reason);
-            Bukkit.getLogger().severe("[" + this.plugin.getName() + "] Contact the developer if you believe something is wrong on their side.");
-            Bukkit.getPluginManager().disablePlugin(this.plugin);
-        });
-    }
-
-    /**
-     * Send an GET request with JSONObject response
-     *
-     * @param uri The URL
-     *
-     * @return The JSONObject
-     * @throws IOException URL errors
-     */
-    private JsonObject sendGETRequestJSON(String uri) throws IOException {
-        URL url = new URL(uri);
-        HttpURLConnection con = (HttpURLConnection) url.openConnection();
-        con.setRequestMethod("GET");
-        con.setRequestProperty("User-Agent", "Mozilla/5.0");
-        String authStringEnc = "Y2tfMGEzNWEzMWE2NzExNmM3NDg2MGEwYTJhNjUxNGVjZjM4NTBmM2JmMDpjc185NmYxZGNlYjI4MWRkZDExOTBjMzQ3ZjJjYzMwMGNjZTIzYWNhODI1";
-        con.setRequestProperty("Authorization", "Basic " + authStringEnc);
-        int code = con.getResponseCode();
-        if (code == 404) {
-            return null;
-        }
-
-        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream(), StandardCharsets.UTF_8));
-        String inputLine;
-        boolean firstLine = true;
-        StringBuilder response = new StringBuilder();
-        while ((inputLine = in.readLine()) != null) {
-            if (firstLine) { inputLine = removeUTF8BOM(inputLine); firstLine = false; }
-            response.append(inputLine);
-        }
-        in.close();
-
-        JsonParser parser = new JsonParser();
-        return parser.parse(response.toString()).getAsJsonObject();
-    }
-
-    private boolean checkPortValue(int input, String dataValue) {
-        //STEP 1: Check wildcard
-        if (dataValue.equals("*")) return true;
-
-        //STEP 2: Check if equals
-        try {
-            int dataVal = Integer.parseInt(dataValue);
-
-            return input == dataVal;
-        } catch (NumberFormatException ignored) {}
-
-        //STEP 3: Check if range
-        if (dataValue.contains("-")) {
-            String[] dataSplit = dataValue.split("-");
-
-            //STEP 3.1: Check if min or max is wildcard
-            if (dataSplit[0].equals("*") && !dataSplit[1].equals("*")) {
-                int max = Integer.parseInt(dataSplit[1]);
-                return input <= max;
-            } else if (dataSplit[1].equals("*") && !dataSplit[0].equals("*")) {
-                int min = Integer.parseInt(dataSplit[0]);
-                return min <= input;
-            } else {
-                try {
-                    int min = Integer.parseInt(dataSplit[0]);
-                    int max = Integer.parseInt(dataSplit[1]);
-
-                    return (min <= input) && (input <= max);
-                } catch (NumberFormatException ex) {
-                    return false;
-                }
-            }
-        }
-
-        //Else, invalid value
-        return false;
-    }
-
-    private String removeUTF8BOM(String s) {
-        String UTF8_BOM = "\uFEFF";
-        if (s.startsWith(UTF8_BOM)) {
-            s = s.substring(1);
-        }
-        return s;
-    }
-
-    /**
-     * Check if the license is valid
-     *
-     * @return true -> VALID, false -> INVALID, null -> UNCHECKED
-     */
-    public static Boolean isValid() {
-        return valid;
-    }
-}