Fixed propic upload limits

If the size is bigger than 5MB the error will be handled by SANIC directly. Maybe we'd like a better user-visible handling?

app.py

@@ -47,6 +47,8 @@ async def clear_session(request, exception):
 @app.before_server_start
 async def main_start(*_):
 	print(">>>>>> main_start <<<<<<")
+
+	app.config.REQUEST_MAX_SIZE = 1024 * 1024 * 5 # 5 MB
 	
 	app.ctx.om = OrderManager()
 	if FILL_CACHE:

propic.py

@@ -45,6 +45,8 @@ async def upload_propic(request, order: Order):
 			
 			try:
 				img = Image.open(BytesIO(body[0].body))
+				if(img.size[0] > 2048 or img.size[1] > 2048):
+					raise exceptions.BadRequest("Maximum allowed dimensions: 2048x2048")
 				
 				with open(f"res/propic/{fn}_{order.code}_original", "wb") as f:
 					f.write(body[0].body)