sanitizing chat messages and added meme arrow greentext

events.py

@@ -4,8 +4,11 @@ SocketIO events.
 """
 import time
 
+import bleach
 from flask_socketio import SocketIO, emit, join_room
 
+import database as db
+
 socketio = SocketIO()
 
 @socketio.on('joined', namespace="/chat")
@@ -28,5 +31,18 @@ def text(data):
 	name = data["name"]
 	date = int(time.time())
 	data["date"] = date
+
+	message = message.strip()
+	if not message:
+		return
+	tags = ["b", "code", "i", "s"]
+	message = bleach.clean(message, tags=tags)
+	lines = []
+	for line in message.splitlines():
+		if line.startswith(">"):
+			line = '<span class="greenText">' + line + '</span>'
+		lines.append(line)
+	message = "<br />".join(lines)
+	data["message"] = message
 	
-	emit('message', data, room=room)
+	emit("message", data, room=room)

static/anonkun.css

@@ -34,3 +34,7 @@
 	resize: none;
 	box-sizing: border-box;
 }
+
+.greenText {
+	color: green;
+}