Add an option to allow unlogged users to run all the commands

Fix #456

src/main/java/fr/xephi/authme/listener/AuthMePlayerListener.java

@@ -108,6 +108,9 @@ public class AuthMePlayerListener implements Listener {
         if (Settings.useEssentialsMotd && cmd.equals("/motd")) {
             return;
         }
+        if(!Settings.isForcedRegistrationEnabled && Settings.allowAllCommandsIfRegIsOptional) {
+            return;
+        }
         if (Settings.allowCommands.contains(cmd)) {
             return;
         }

src/main/java/fr/xephi/authme/settings/Settings.java

@@ -77,7 +77,7 @@ public final class Settings {
         enableProtection, enableAntiBot, recallEmail, useWelcomeMessage,
         broadcastWelcomeMessage, forceRegKick, forceRegLogin,
         checkVeryGames, delayJoinLeaveMessages, noTeleport, applyBlindEffect,
-        kickPlayersBeforeStopping,
+        kickPlayersBeforeStopping, allowAllCommandsIfRegIsOptional,
         customAttributes, generateImage, isRemoveSpeedEnabled, preventOtherCase;
     public static String helpHeader, getNickRegex, getUnloggedinGroup, getMySQLHost,
         getMySQLPort, getMySQLUsername, getMySQLPassword, getMySQLDatabase,
@@ -211,6 +211,7 @@ public final class Settings {
         isStopEnabled = configFile.getBoolean("Security.SQLProblem.stopServer", true);
         reloadSupport = configFile.getBoolean("Security.ReloadCommand.useReloadCommandSupport", true);
 
+        allowAllCommandsIfRegIsOptional = configFile.getBoolean("settings.restrictions.allowAllCommandsIfRegistrationIsOptional", false);
         allowCommands = new ArrayList<>();
         allowCommands.addAll(Arrays.asList("/login", "/l", "/register", "/reg", "/email", "/captcha"));
         for (String cmd : configFile.getStringList("settings.restrictions.allowCommands")) {
@@ -576,6 +577,10 @@ public final class Settings {
             set("settings.restrictions.enablePasswordVerifier", null);
             changes = true;
         }
+        if(!contains("settings.restrictions.allowAllCommandsIfRegistrationIsOptional")) {
+            set("settings.restrictions.allowAllCommandsIfRegistrationIsOptional", false);
+            changes = true;
+        }
         if (!contains("settings.security.unsafePasswords")) {
             List<String> str = new ArrayList<>();
             str.add("123456");

src/main/resources/config.yml

@@ -67,6 +67,9 @@ settings:
         # Care that this feature blocks also all the commands not
         # listed in the list below.
         allowChat: false
+        # WARNING: use this only if you need it!
+        # Allow unlogged users to use all the commands if registration is not forced!
+        allowAllCommandsIfRegistrationIsOptional: false
         # Commands allowed when a player is not authenticated
         allowCommands:
         - /login