Allow FastLogin to respect AuthMe pre IP register limit, fixes #458

bukkit/src/main/java/com/github/games647/fastlogin/bukkit/hook/AuthMeHook.java

@@ -3,15 +3,18 @@ package com.github.games647.fastlogin.bukkit.hook;
 import com.github.games647.fastlogin.bukkit.BukkitLoginSession;
 import com.github.games647.fastlogin.bukkit.FastLoginBukkit;
 import com.github.games647.fastlogin.core.hooks.AuthPlugin;
-
 import fr.xephi.authme.api.v3.AuthMeApi;
 import fr.xephi.authme.events.RestoreSessionEvent;
-
+import fr.xephi.authme.process.Management;
+import fr.xephi.authme.process.register.executors.ApiPasswordRegisterParams;
+import fr.xephi.authme.process.register.executors.RegistrationMethod;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+import java.lang.reflect.Field;
+
 /**
  * GitHub: https://github.com/Xephi/AuthMeReloaded/
  * <p>
@@ -25,8 +28,22 @@ public class AuthMeHook implements AuthPlugin<Player>, Listener {
 
     private final FastLoginBukkit plugin;
 
+    private final AuthMeApi authmeAPI;
+    private Management authmeManagement;
+
     public AuthMeHook(FastLoginBukkit plugin) {
         this.plugin = plugin;
+        this.authmeAPI = AuthMeApi.getInstance();
+
+        if (plugin.getConfig().getBoolean("respectIpLimit", false)) {
+            try {
+                Field managementField = this.authmeAPI.getClass().getDeclaredField("management");
+                managementField.setAccessible(true);
+                this.authmeManagement = (Management) managementField.get(this.authmeAPI);
+            } catch (NoSuchFieldException | IllegalAccessException exception) {
+                this.authmeManagement = null;
+            }
+        }
     }
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
@@ -41,25 +58,32 @@ public class AuthMeHook implements AuthPlugin<Player>, Listener {
 
     @Override
     public boolean forceLogin(Player player) {
-        if (AuthMeApi.getInstance().isAuthenticated(player)) {
+        if (authmeAPI.isAuthenticated(player)) {
             plugin.getLog().warn(ALREADY_AUTHENTICATED, player);
             return false;
         }
 
         //skips registration and login
-        AuthMeApi.getInstance().forceLogin(player);
+        authmeAPI.forceLogin(player);
         return true;
     }
 
     @Override
     public boolean isRegistered(String playerName) {
-        return AuthMeApi.getInstance().isRegistered(playerName);
+        return authmeAPI.isRegistered(playerName);
     }
 
     @Override
+    //this automatically login the player too
     public boolean forceRegister(Player player, String password) {
-        //this automatically login the player too
-        AuthMeApi.getInstance().forceRegister(player, password);
-        return true;
+        //if we have the management - we can trigger register with IP limit checks
+        if (authmeManagement != null) {
+            authmeManagement.performRegister(RegistrationMethod.PASSWORD_REGISTRATION,
+                    ApiPasswordRegisterParams.of(player, password, true));
+        } else {
+            authmeAPI.forceRegister(player, password);
+        }
+
+        return authmeAPI.isRegistered(player.getName());
     }
 }

core/src/main/resources/config.yml

@@ -36,6 +36,15 @@ anti-bot:
 # For more information: https://github.com/games647/FastLogin#why-do-players-have-to-invoke-a-command
 autoRegister: false
 
+# Should FastLogin respect per IP limit of registrations (e.g. in AuthMe)
+# Because most auth plugins do their stuff async - FastLogin will still think the player was registered
+# To work best - you also need to enable auto-register-unknown
+#
+# If set to true - FastLogin will always attempt to register the player, even if the limit is exceeded
+# It is up to the auth plugin to handle the excessive registration
+# https://github.com/games647/FastLogin/issues/458
+respectIpLimit: false
+
 # This is extra configuration option to the feature above. If we request a premium authentication from a player who
 # isn't actual premium but used a premium username, the player will disconnect with the reason "invalid session" or
 # "bad login".
@@ -129,6 +138,7 @@ nameChangeCheck: false
 #
 # If you use PaperSpigot - FastLogin will always try to set the skin, even if forwardSkin is set to false
 # It is needed to allow premium name change to work correctly
+# https://github.com/games647/FastLogin/issues/457
 #
 # If you want to use skins for your cracked player, you need an additional plugin like
 # ChangeSkin, SkinRestorer, ...

core/src/main/resources/messages.yml

@@ -53,10 +53,10 @@ player-unknown: '&4Player not in the database'
 # The user skipped the authentication, because it was a premium player
 auto-login: '&2Auto logged in'
 
-# The user was auto registered on the first join. The user account will be registered to protect it from cracked players
+# FastLogin attempted to auto register user. The user account is registered to protect it from cracked players
+# If FastLogin is respecting auth plugin IP limit - the registration may have failed, however the message is still displayed
 # The password can be used if the mojang servers are down and you still want your premium users to login (PLANNED)
-auto-register: '&2Auto registered with password: %password
-You may want change it?'
+auto-register: '&2Tried auto registering with password: &7%password&2. You may want change it?'
 
 # GameProfile is not able to toggle the premium state of other players
 no-permission: '&4Not enough permissions'