#1523 Create admin commands to handle players' 2FA data (#1876)

* #1523 Create admin commands to handle players' 2FA data
- Create admin command to view if a player has enabled 2FA
- Create admin command to disable 2FA for a specified player

src/main/java/fr/xephi/authme/command/CommandInitializer.java

@@ -24,6 +24,8 @@ import fr.xephi.authme.command.executable.authme.SetFirstSpawnCommand;
 import fr.xephi.authme.command.executable.authme.SetSpawnCommand;
 import fr.xephi.authme.command.executable.authme.SpawnCommand;
 import fr.xephi.authme.command.executable.authme.SwitchAntiBotCommand;
+import fr.xephi.authme.command.executable.authme.TotpDisableAdminCommand;
+import fr.xephi.authme.command.executable.authme.TotpViewStatusCommand;
 import fr.xephi.authme.command.executable.authme.UnregisterAdminCommand;
 import fr.xephi.authme.command.executable.authme.UpdateHelpMessagesCommand;
 import fr.xephi.authme.command.executable.authme.VersionCommand;
@@ -290,6 +292,28 @@ public class CommandInitializer {
             .executableCommand(GetIpCommand.class)
             .register();
 
+        // Register totp command
+        CommandDescription.builder()
+            .parent(authmeBase)
+            .labels("totp", "2fa")
+            .description("See if a player has enabled TOTP")
+            .detailedDescription("Returns whether the specified player has enabled two-factor authentication.")
+            .withArgument("player", "Player name", MANDATORY)
+            .permission(AdminPermission.VIEW_TOTP_STATUS)
+            .executableCommand(TotpViewStatusCommand.class)
+            .register();
+
+        // Register disable totp command
+        CommandDescription.builder()
+            .parent(authmeBase)
+            .labels("disabletotp", "disable2fa", "deletetotp", "delete2fa")
+            .description("Delete TOTP token of a player")
+            .detailedDescription("Disable two-factor authentication for a player.")
+            .withArgument("player", "Player name", MANDATORY)
+            .permission(AdminPermission.DISABLE_TOTP)
+            .executableCommand(TotpDisableAdminCommand.class)
+            .register();
+
         // Register the spawn command
         CommandDescription.builder()
             .parent(authmeBase)

src/main/java/fr/xephi/authme/command/executable/authme/TotpDisableAdminCommand.java

@@ -0,0 +1,58 @@
+package fr.xephi.authme.command.executable.authme;
+
+import fr.xephi.authme.ConsoleLogger;
+import fr.xephi.authme.command.ExecutableCommand;
+import fr.xephi.authme.data.auth.PlayerAuth;
+import fr.xephi.authme.datasource.DataSource;
+import fr.xephi.authme.message.MessageKey;
+import fr.xephi.authme.message.Messages;
+import fr.xephi.authme.service.BukkitService;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import javax.inject.Inject;
+import java.util.List;
+
+/**
+ * Command to disable two-factor authentication for a user.
+ */
+public class TotpDisableAdminCommand implements ExecutableCommand {
+
+    @Inject
+    private DataSource dataSource;
+
+    @Inject
+    private Messages messages;
+
+    @Inject
+    private BukkitService bukkitService;
+
+    @Override
+    public void executeCommand(CommandSender sender, List<String> arguments) {
+        String player = arguments.get(0);
+
+        PlayerAuth auth = dataSource.getAuth(player);
+        if (auth == null) {
+            messages.send(sender, MessageKey.UNKNOWN_USER);
+        } else if (auth.getTotpKey() == null) {
+            sender.sendMessage(ChatColor.RED + "Player '" + player + "' does not have two-factor auth enabled");
+        } else {
+            removeTotpKey(sender, player);
+        }
+    }
+
+    private void removeTotpKey(CommandSender sender, String player) {
+        if (dataSource.removeTotpKey(player)) {
+            sender.sendMessage("Disabled two-factor authentication successfully for '" + player + "'");
+            ConsoleLogger.info(sender.getName() + " disable two-factor authentication for '" + player + "'");
+
+            Player onlinePlayer = bukkitService.getPlayerExact(player);
+            if (onlinePlayer != null) {
+                messages.send(onlinePlayer, MessageKey.TWO_FACTOR_REMOVED_SUCCESS);
+            }
+        } else {
+            messages.send(sender, MessageKey.ERROR);
+        }
+    }
+}

src/main/java/fr/xephi/authme/command/executable/authme/TotpViewStatusCommand.java

@@ -0,0 +1,38 @@
+package fr.xephi.authme.command.executable.authme;
+
+import fr.xephi.authme.command.ExecutableCommand;
+import fr.xephi.authme.data.auth.PlayerAuth;
+import fr.xephi.authme.datasource.DataSource;
+import fr.xephi.authme.message.MessageKey;
+import fr.xephi.authme.message.Messages;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+
+import javax.inject.Inject;
+import java.util.List;
+
+/**
+ * Command to see whether a user has enabled two-factor authentication.
+ */
+public class TotpViewStatusCommand implements ExecutableCommand {
+
+    @Inject
+    private DataSource dataSource;
+
+    @Inject
+    private Messages messages;
+
+    @Override
+    public void executeCommand(CommandSender sender, List<String> arguments) {
+        String player = arguments.get(0);
+
+        PlayerAuth auth = dataSource.getAuth(player);
+        if (auth == null) {
+            messages.send(sender, MessageKey.UNKNOWN_USER);
+        } else if (auth.getTotpKey() == null) {
+            sender.sendMessage(ChatColor.RED + "Player '" + player + "' does NOT have two-factor auth enabled");
+        } else {
+            sender.sendMessage(ChatColor.DARK_GREEN + "Player '" + player + "' has enabled two-factor authentication");
+        }
+    }
+}