Add 2fa support

src/main/java/fr/xephi/authme/command/executable/register/RegisterCommand.java

@@ -4,9 +4,11 @@ import fr.xephi.authme.command.CommandService;
 import fr.xephi.authme.command.PlayerCommand;
 import fr.xephi.authme.output.MessageKey;
 import fr.xephi.authme.process.Management;
+import fr.xephi.authme.security.HashAlgorithm;
 import fr.xephi.authme.security.RandomString;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.Utils;
+
 import org.bukkit.entity.Player;
 
 import java.util.List;
@@ -15,6 +17,12 @@ public class RegisterCommand extends PlayerCommand {
 
     @Override
     public void runCommand(Player player, List<String> arguments, CommandService commandService) {
+        if (Settings.getPasswordHash == HashAlgorithm.TWO_FACTOR) {
+            //for two factor auth we don't need to check the usage
+            commandService.getManagement().performRegister(player, "", "");
+            return;
+        }
+
         if (arguments.isEmpty() || Settings.enablePasswordConfirmation && arguments.size() < 2) {
             commandService.send(player, MessageKey.USAGE_REGISTER);
             return;
@@ -26,19 +34,23 @@ public class RegisterCommand extends PlayerCommand {
                 commandService.send(player, MessageKey.USAGE_REGISTER);
                 return;
             }
+
             final String email = arguments.get(0);
             if (!Utils.isEmailCorrect(email, commandService.getSettings())) {
                 commandService.send(player, MessageKey.INVALID_EMAIL);
                 return;
             }
+
             final String thePass = RandomString.generate(Settings.getRecoveryPassLength);
             management.performRegister(player, thePass, email);
             return;
         }
+
         if (arguments.size() > 1 && Settings.enablePasswordConfirmation && !arguments.get(0).equals(arguments.get(1))) {
             commandService.send(player, MessageKey.PASSWORD_MATCH_ERROR);
             return;
         }
+
         management.performRegister(player, arguments.get(0), "");
     }