Multiple fixes/improvements to command system

bungee/src/main/java/me/lucko/luckperms/MainCommand.java

@@ -12,7 +12,7 @@ class MainCommand extends Command {
     private final CommandManager manager;
 
     public MainCommand(CommandManager manager) {
-        super("luckpermsbungee", "luckperms.use", "bperms", "lpb", "bpermissions", "bp", "bperm");
+        super("luckpermsbungee", null, "bperms", "lpb", "bpermissions", "bp", "bperm");
         this.manager = manager;
 
     }

common/src/main/java/me/lucko/luckperms/commands/CommandManager.java

@@ -68,11 +68,9 @@ public class CommandManager {
         if (args.size() == 0) {
             Util.sendPluginMessage(sender, "&6Running &bLuckPerms " + plugin.getVersion() + "&6.");
 
-            if (sender.hasPermission("luckperms.info")) {
-                for (MainCommand c : mainCommands) {
-                    Util.sendPluginMessage(sender, "&e-> &d" + c.getUsage());
-                }
-            }
+            mainCommands.stream()
+                    .filter(c -> c.canUse(sender))
+                    .forEach(c -> Util.sendPluginMessage(sender, "&e-> &d" + c.getUsage()));
 
         } else {
             String c = args.get(0);

common/src/main/java/me/lucko/luckperms/commands/MainCommand.java

@@ -39,4 +39,13 @@ public abstract class MainCommand {
             Util.sendPluginMessage(sender, "You do not have permission to use this command!");
         }
     }
+
+    protected boolean canUse(Sender sender) {
+        for (SubCommand sc : getSubCommands()) {
+            if (sc.isAuthorized(sender)) {
+                return true;
+            }
+        }
+        return false;
+    }
 }

common/src/main/java/me/lucko/luckperms/commands/SubCommand.java

@@ -24,7 +24,7 @@ public abstract class SubCommand {
     }
 
     public boolean isAuthorized(Sender sender) {
-        return sender.hasPermission(permission);
+        return sender.hasPermission(permission) || sender.hasPermission("luckperms.*");
     }
 
     public void sendUsage(Sender sender) {

common/src/main/java/me/lucko/luckperms/commands/group/CreateGroupCommand.java

@@ -48,4 +48,9 @@ public class CreateGroupCommand extends MainCommand {
     public List<SubCommand> getSubCommands() {
         return new ArrayList<>();
     }
+
+    @Override
+    protected boolean canUse(Sender sender) {
+        return sender.hasPermission("luckperms.creategroup") || sender.hasPermission("luckperms.*");
+    }
 }

common/src/main/java/me/lucko/luckperms/commands/group/DeleteGroupCommand.java

@@ -60,4 +60,9 @@ public class DeleteGroupCommand extends MainCommand {
     public List<SubCommand> getSubCommands() {
         return new ArrayList<>();
     }
+
+    @Override
+    protected boolean canUse(Sender sender) {
+        return sender.hasPermission("luckperms.deletegroup") || sender.hasPermission("luckperms.*");
+    }
 }

common/src/main/java/me/lucko/luckperms/commands/group/GroupSubCommand.java

@@ -15,6 +15,11 @@ public abstract class GroupSubCommand extends SubCommand {
 
     protected abstract void execute(LuckPermsPlugin plugin, Sender sender, Group group, List<String> args);
 
+    @Override
+    public boolean isAuthorized(Sender sender) {
+        return sender.hasPermission(getPermission()) || sender.hasPermission("luckperms.group.*") || sender.hasPermission("luckperms.*");
+    }
+
     protected void saveGroup(Group group, Sender sender, LuckPermsPlugin plugin) {
         plugin.getDatastore().saveGroup(group, success -> {
             if (success) {

common/src/main/java/me/lucko/luckperms/commands/group/ListGroupsCommand.java

@@ -32,6 +32,11 @@ public class ListGroupsCommand extends MainCommand {
 
     @Override
     public List<SubCommand> getSubCommands() {
-        return null;
+        return new ArrayList<>();
+    }
+
+    @Override
+    protected boolean canUse(Sender sender) {
+        return sender.hasPermission("luckperms.listgroups") || sender.hasPermission("luckperms.*");
     }
 }

common/src/main/java/me/lucko/luckperms/commands/misc/DebugCommand.java

@@ -31,4 +31,9 @@ public class DebugCommand extends MainCommand {
     public List<? extends SubCommand> getSubCommands() {
         return new ArrayList<>();
     }
+
+    @Override
+    protected boolean canUse(Sender sender) {
+        return sender.hasPermission("luckperms.debug") || sender.hasPermission("luckperms.*");
+    }
 }

common/src/main/java/me/lucko/luckperms/commands/misc/InfoCommand.java

@@ -30,4 +30,9 @@ public class InfoCommand extends MainCommand {
     public List<? extends SubCommand> getSubCommands() {
         return new ArrayList<>();
     }
+
+    @Override
+    protected boolean canUse(Sender sender) {
+        return sender.hasPermission("luckperms.info") || sender.hasPermission("luckperms.*");
+    }
 }

common/src/main/java/me/lucko/luckperms/commands/misc/SyncCommand.java

@@ -29,4 +29,9 @@ public class SyncCommand extends MainCommand {
     public List<? extends SubCommand> getSubCommands() {
         return new ArrayList<>();
     }
+
+    @Override
+    protected boolean canUse(Sender sender) {
+        return sender.hasPermission("luckperms.sync") || sender.hasPermission("luckperms.*");
+    }
 }

common/src/main/java/me/lucko/luckperms/commands/user/UserSubCommand.java

@@ -15,6 +15,11 @@ public abstract class UserSubCommand extends SubCommand {
 
     protected abstract void execute(LuckPermsPlugin plugin, Sender sender, User user, List<String> args);
 
+    @Override
+    public boolean isAuthorized(Sender sender) {
+        return sender.hasPermission(getPermission()) || sender.hasPermission("luckperms.user.*") || sender.hasPermission("luckperms.*");
+    }
+
     protected void saveUser(User user, Sender sender, LuckPermsPlugin plugin) {
         user.refreshPermissions();