Fix race condition while iterating over clients

constants/fokabotCommands.py

@@ -114,6 +114,7 @@ def moderated(fro, chan, message):
 def kickAll(fro, chan, message):
 	# Kick everyone but mods/admins
 	toKick = []
+	with glob.tokens:
 		for key, value in glob.tokens.tokens.items():
 			if not value.admin:
 				toKick.append(key)
@@ -336,6 +337,7 @@ def systemMaintenance(fro, chan, message):
 		who = []
 
 		# Disconnect everyone but mod/admins
+		with glob.tokens:
 			for _, value in glob.tokens.tokens.items():
 				if not value.admin:
 					who.append(value.userID)

events/loginEvent.py

@@ -184,6 +184,7 @@ def handle(tornadoRequest):
 			responseToken.enqueue(serverPackets.mainMenuIcon(glob.banchoConf.config["menuIcon"]))
 
 		# Send online users' panels
+		with glob.tokens:
 			for _, token in glob.tokens.tokens.items():
 				if not token.restricted:
 					responseToken.enqueue(serverPackets.userPanel(token.userID))

objects/tokenList.py

@@ -13,6 +13,13 @@ from objects import osuToken
 class tokenList:
 	def __init__(self):
 		self.tokens = {}
+		self._lock = threading.Lock()
+
+	def __enter__(self):
+		self._lock.acquire()
+
+	def __exit__(self, exc_type, exc_val, exc_tb):
+		self._lock.release()
 
 	def addToken(self, userID, ip = "", irc = False, timeOffset=0, tournament=False):
 		"""