prevent from constantly pressing the escape key when user quits or reloads the web browser so that the menu wont toggle each time ingame

streaming-agent/gst_agent.py

@@ -90,8 +90,9 @@ def release_all_keys():
         except Exception:
             pass
     _held_keys.clear()
-    # Reset X11 modifier state (clears stuck shift/ctrl/alt etc.)
-    xdotool('key', '--clearmodifiers', 'Escape')
+    # Reset X11 modifier state using a neutral key that has no in-game effect
+    # Escape was previously used here but it toggles the in-game menu
+    xdotool('key', '--clearmodifiers', 'ctrl')
 
 def handle_input(event):
     t = event.get('type')
@@ -106,10 +107,16 @@ def handle_input(event):
         xdotool('mouseup', str(event.get('button', 1)))
     elif t == 'key_down':
         key = event.get('key', '')
+        # Block characters that can be used for console command injection
+        # via chat. ";" splits commands and '"' opens/closes command strings.
+        if key in (';', 'semicolon', '"', 'quotedbl', 'quote'):
+            return
         _held_keys.add(key)
         xdotool('keydown', key)
     elif t == 'key_up':
         key = event.get('key', '')
+        if key in (';', 'semicolon', '"', 'quotedbl', 'quote'):
+            return
         _held_keys.discard(key)
         xdotool('keyup', key)
     elif t == 'mouse_wheel':