Add warnings about debugging mode

[mudpy.git] / mudpy / misc.py

diff --git a/mudpy/misc.py b/mudpy/misc.py
index e737a28..e9845d5 100644 (file)
--- a/mudpy/misc.py
+++ b/mudpy/misc.py
@@ -184,6 +184,11 @@ class Element:
                 prepend_padding
             )
 
+    def is_restricted(self):
+        """Boolean check whether command is administrative or debugging."""
+        return(
+            self.get("administrative", False) or self.get("debugging", False))
+
     def is_admin(self):
         """Boolean check whether an actor is controlled by an admin owner."""
         return(self.owner and self.owner.is_admin())
@@ -195,12 +200,16 @@ class Element:
         if command not in self.universe.groups["command"].values():
             return(False)
 
+        # debugging commands are not allowed outside debug mode
+        if command.get("debugging") and not self.universe.debug_mode():
+            return(False)
+
         # avatars of administrators can run any command
         if self.is_admin():
             return(True)
 
         # everyone can run non-administrative commands
-        if not command.get("administrative"):
+        if not command.is_restricted():
             return(True)
 
         # otherwise the command cannot be run by this actor
@@ -477,6 +486,10 @@ class Universe:
         if fallback not in self.files:
             mudpy.data.Data(fallback, self, flags=flags)
 
+    def debug_mode(self):
+        """Boolean method to indicate whether unsafe debugging is enabled."""
+        return self.groups["mudpy"]["limit"].get("debug", False)
+
 
 class User:
 
@@ -1506,7 +1519,7 @@ def find_command(command_name):
     else:
         for candidate in sorted(universe.groups["command"]):
             if candidate.startswith(command_name) and not universe.groups[
-                    "command"][candidate].get("administrative"):
+                    "command"][candidate].is_restricted():
                 # the command matches the start of a command word and is not
                 # restricted to administrators
                 command = universe.groups["command"][candidate]
@@ -2108,6 +2121,8 @@ def setup():
     log("Running version: %s" % universe.versions.version, 1)
     log("Initial directory: %s" % universe.startdir, 1)
     log("Command line: %s" % " ".join(sys.argv), 1)
+    if universe.debug_mode():
+        log("WARNING: Unsafe debugging mode is enabled!", 6)
 
     # pass the initialized universe back
     return universe