Add perm debug command

proxy/src/main/java/net/md_5/bungee/BungeeCord.java

@@ -105,6 +105,7 @@ public class BungeeCord extends ProxyServer
         getPluginManager().registerCommand( new CommandIP() );
         getPluginManager().registerCommand( new CommandAlert() );
         getPluginManager().registerCommand( new CommandBungee() );
+        getPluginManager().registerCommand( new CommandPerms() );
 
         registerChannel( "BungeeCord" );
     }

proxy/src/main/java/net/md_5/bungee/command/CommandPerms.java

@@ -0,0 +1,36 @@
+package net.md_5.bungee.command;
+
+import java.util.HashSet;
+import java.util.Set;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.plugin.Command;
+
+public class CommandPerms extends Command
+{
+
+    public CommandPerms()
+    {
+        super( "perms" );
+    }
+
+    @Override
+    public void execute(CommandSender sender, String[] args)
+    {
+        StringBuilder groups = new StringBuilder();
+        Set<String> permissions = new HashSet<>();
+        for ( String group : sender.getGroups() )
+        {
+            groups.append( group );
+            groups.append( ", " );
+            permissions.addAll( ProxyServer.getInstance().getConfigurationAdapter().getPermissions( group ) );
+        }
+        sender.sendMessage( ChatColor.GOLD + "You have the following groups: " + groups.substring( 0, groups.length() - 2 ) );
+
+        for ( String permission : permissions )
+        {
+            sender.sendMessage( ChatColor.BLUE + "- " + permission );
+        }
+    }
+}