change default.py to have admin features

mods/default.py

@@ -1,22 +1,47 @@
 import utils
 
+# This file is part of modbot.
+
+# modbot is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Affero General Public
+# License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any
+# later version.
+
+# modbot is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero
+# General Public License along with modbot.  If not, see
+# <https://www.gnu.org/licenses/>.
+
 def cmd(line, srv):
     command, params = utils.cmdparse(line)
     if command == "load":
-        try:
-            srv.load_mod(params[0])
-        except ModuleNotFoundError:
-            utils.message(srv, line.params[0],
-                "failed to load `" + params[0] + "'")
+        if utils.is_admin(params[0]):
+            try:
+                srv.load_mod(params[0])
+            except ModuleNotFoundError:
+                utils.message(srv, line.params[0],
+                    "failed to load `" + params[0] + "'")
+            else:
+                utils.message(srv, line.params[0],
+                    "loaded: `" + params[0] + "'")
         else:
             utils.message(srv, line.params[0],
-                "loaded: `" + params[0] + "'")
+                    "invalid permissions!")
     elif command == "unload":
-        try:
-            srv.unload_mod(params[0])
-        except:
-            utils.message(srv, line.params[0],
-                "failed to unload `" + params[0] + "'")
+        if utils.is_admin(params[0]):
+            try:
+                srv.unload_mod(params[0])
+            except:
+                utils.message(srv, line.params[0],
+                    "failed to unload `" + params[0] + "'")
+            else:
+                utils.message(srv, line.params[0],
+                    "unloaded: `" + params[0] + "'"
         else:
             utils.message(srv, line.params[0],
-                "unloaded: `" + params[0] + "'"
+                    "invalid permissions!")