#642 - Quick Command Protection manager

src/main/java/fr/xephi/authme/data/QuickCommandsProtectionManager.java

@@ -0,0 +1,51 @@
+package fr.xephi.authme.data;
+
+import fr.xephi.authme.initialization.HasCleanup;
+import fr.xephi.authme.initialization.SettingsDependent;
+import fr.xephi.authme.permission.PermissionsManager;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.settings.Settings;
+import fr.xephi.authme.settings.properties.ProtectionSettings;
+import fr.xephi.authme.util.expiring.ExpiringSet;
+import org.bukkit.entity.Player;
+
+import javax.inject.Inject;
+import java.util.concurrent.TimeUnit;
+
+public class QuickCommandsProtectionManager implements SettingsDependent, HasCleanup {
+
+    private PermissionsManager permissionsManager;
+
+    private final ExpiringSet<String> latestLogin;
+
+    @Inject
+    public QuickCommandsProtectionManager(Settings settings, PermissionsManager permissionsManager) {
+        this.permissionsManager = permissionsManager;
+        long countTimeout = settings.getProperty(ProtectionSettings.QUICK_COMMANDS_DENIED_BEFORE_MILLISECONDS);
+        latestLogin = new ExpiringSet<>(countTimeout, TimeUnit.MILLISECONDS);
+        reload(settings);
+    }
+
+    public void setLogin(String name) {
+        latestLogin.add(name);
+    }
+
+    public boolean shouldSaveLogin(Player player) {
+        return permissionsManager.hasPermission(player, PlayerPermission.QUICK_COMMANDS_PROTECTION);
+    }
+
+    public boolean isAllowed(String name) {
+        return !latestLogin.contains(name);
+    }
+
+    @Override
+    public void reload(Settings settings) {
+        long countTimeout = settings.getProperty(ProtectionSettings.QUICK_COMMANDS_DENIED_BEFORE_MILLISECONDS);
+        latestLogin.setExpiration(countTimeout, TimeUnit.MILLISECONDS);
+    }
+
+    @Override
+    public void performCleanup() {
+        latestLogin.removeExpiredEntries();
+    }
+}

src/main/java/fr/xephi/authme/permission/PlayerPermission.java

@@ -68,7 +68,12 @@ public enum PlayerPermission implements PermissionNode {
     /**
      * Permission to use the email verification codes feature.
      */
-    VERIFICATION_CODE("authme.player.security.verificationcode");
+    VERIFICATION_CODE("authme.player.security.verificationcode"),
+
+    /**
+     * Permission to use the email verification codes feature.
+     */
+    QUICK_COMMANDS_PROTECTION("authme.player.protection.quickcommandsprotection");
 
     /**
      * The permission node.

src/main/java/fr/xephi/authme/settings/properties/ProtectionSettings.java

@@ -55,6 +55,10 @@ public final class ProtectionSettings implements SettingsHolder {
     public static final Property<Integer> ANTIBOT_DELAY =
         newProperty("Protection.antiBotDelay", 60);
 
+    @Comment("Kicks the player that issued a command before the defined time after the login process")
+    public static final Property<Integer> QUICK_COMMANDS_DENIED_BEFORE_MILLISECONDS =
+        newProperty("Protection.quickCommands.denyCommandsBeforeSeconds", 1000);
+
     private ProtectionSettings() {
     }