188 lines
9.0 KiB
Python
188 lines
9.0 KiB
Python
from typing import List, Optional
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from cvmlib import guac_decode, guac_encode, CollabVMRank, CollabVMState, CollabVMClientRenameStatus
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import config
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import os
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import websockets, asyncio
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from websockets import Subprotocol, Origin
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import logging
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import sys
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from datetime import datetime, timezone
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import json
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LOG_LEVEL = getattr(config, "log_level", "INFO")
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# Prepare logs
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if not os.path.exists("logs"):
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os.makedirs("logs")
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log_format = logging.Formatter(
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"[%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s"
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)
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stdout_handler = logging.StreamHandler(sys.stdout)
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stdout_handler.setFormatter(log_format)
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log = logging.getLogger("cvmsentry")
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log.setLevel(LOG_LEVEL)
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log.addHandler(stdout_handler)
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log.info(f"CVM-Sentry started")
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users = {}
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vm_botuser = {}
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STATE = CollabVMState.DISCONNECTED
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def get_origin_from_ws_url(ws_url: str) -> str:
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domain = (
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ws_url.removeprefix("ws:")
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.removeprefix("wss:")
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.removeprefix("/")
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.removeprefix("/")
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.split("/", 1)[0]
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)
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is_wss = ws_url.startswith("wss:")
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return f"http{'s' if is_wss else ''}://{domain}/"
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async def send_chat_message(websocket, message: str):
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log.debug(f"Sending chat message: {message}")
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await websocket.send(guac_encode("chat", message))
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async def send_guac(websocket, *args: str):
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await websocket.send(guac_encode(*args))
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async def connect(vm_name: str):
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global STATE
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global users
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global vm_botuser
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if vm_name not in config.vms:
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log.error(f"VM '{vm_name}' not found in configuration.")
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return
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uri = config.vms[vm_name]
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log_file_path = os.path.join(getattr(config, "log_directory", "logs"), f"{vm_name}.json")
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if not os.path.exists(log_file_path):
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with open(log_file_path, "w") as log_file:
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log_file.write("{}")
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async with websockets.connect(
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uri=uri,
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subprotocols=[Subprotocol("guacamole")],
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origin=Origin(get_origin_from_ws_url(uri)),
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user_agent_header="cvmsentry/1 (https://git.nixlabs.dev/clair/cvmsentry)"
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) as websocket:
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log.info(f"Connected to VM '{vm_name}' at {uri}")
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STATE = CollabVMState.WS_CONNECTED
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await send_guac(websocket, "rename", "")
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await send_guac(websocket, "connect", vm_name)
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if vm_name not in users:
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users[vm_name] = {}
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if vm_name not in vm_botuser:
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vm_botuser[vm_name] = ""
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# response = await websocket.recv()
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async for message in websocket:
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decoded: Optional[List[str]] = guac_decode(str(message))
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match decoded:
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case ["nop"]:
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await send_guac(websocket, "nop")
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case ["auth", config.auth_server]:
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await asyncio.sleep(1)
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await send_guac(websocket, "login", config.credentials["session_auth"])
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case ["connect", *rest]:
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STATE = CollabVMState.VM_CONNECTED
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connection_status = "Connected" if rest[0] == "1" else "Disconnected" if rest[0] == "2" else "Connected"
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turns_status = "Enabled" if rest[1] == "1" else "Disabled"
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votes_status = "Enabled" if rest[2] == "1" else "Disabled"
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uploads_status = "Enabled" if rest[3] == "1" else "Disabled"
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log.debug(f"({STATE.name} - {vm_name}) {connection_status} | Turns: {turns_status} | Votes: {votes_status} | Uploads: {uploads_status}")
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case ["rename", *instructions]:
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match instructions:
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case ["0", status, new_name]:
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if CollabVMClientRenameStatus(int(status)) == CollabVMClientRenameStatus.SUCCEEDED:
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log.debug(f"({STATE.name} - {vm_name}) Bot rename on VM {vm_name}: {vm_botuser[vm_name]} -> {new_name}")
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vm_botuser[vm_name] = new_name
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else:
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log.debug(f"({STATE.name} - {vm_name}) Bot rename on VM {vm_name} failed with status {CollabVMClientRenameStatus(int(status)).name}")
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case ["1", old_name, new_name]:
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if old_name in users[vm_name]:
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log.debug(f"({STATE.name} - {vm_name}) User rename on VM {vm_name}: {old_name} -> {new_name}")
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users[vm_name][new_name] = users[vm_name].pop(old_name)
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case ["login", "1"]:
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STATE = CollabVMState.LOGGED_IN
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await send_chat_message(websocket, "RICHARD NIXON TO THE RESCUE")
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case _:
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if decoded is not None:
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if decoded[0] in ("sync", "png", "flag", "turn", "size"):
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continue
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elif decoded[0] == "chat":
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user = "System" if len(decoded[1]) == 0 else decoded[1]
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if user == "System" or STATE < CollabVMState.LOGGED_IN:
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continue
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message = decoded[2]
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log.info(f"[{vm_name} - {user}]: {message}")
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utc_now = datetime.now(timezone.utc)
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utc_day = utc_now.strftime("%Y-%m-%d")
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timestamp = utc_now.isoformat()
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with open(log_file_path, "r+") as log_file:
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try:
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log_data = json.load(log_file)
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except json.JSONDecodeError:
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log_data = {}
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if utc_day not in log_data:
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log_data[utc_day] = []
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log_data[utc_day].append({
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"timestamp": timestamp,
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"username": user,
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"message": message
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})
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log_file.seek(0)
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json.dump(log_data, log_file, indent=4)
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log_file.truncate()
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if config.commands["enabled"] and message.startswith(config.commands["prefix"]):
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command = message[len(config.commands["prefix"]):].strip().lower()
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match command:
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case "whoami":
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await send_chat_message(websocket, f"You are {user} with rank {users[vm_name].get(user, 'Unknown').name}.")
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case "about":
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await send_chat_message(websocket, "RICHARD NIXONTRON 4000")
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continue
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elif decoded[0] == "adduser":
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if STATE == CollabVMState.LOGGED_IN:
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username = decoded[2]
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rank = CollabVMRank(int(decoded[3]))
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users[vm_name][username] = rank
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elif STATE < CollabVMState.LOGGED_IN:
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initial_user_payload = decoded[2:]
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for i in range(0, len(initial_user_payload), 2):
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username = initial_user_payload[i]
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rank = CollabVMRank(int(initial_user_payload[i + 1]))
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users[vm_name][username] = rank
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elif decoded[0] == "remuser":
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if STATE == CollabVMState.LOGGED_IN:
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username = decoded[2]
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if username in users[vm_name]:
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del users[vm_name][username]
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elif decoded[0] == "rename":
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if STATE == CollabVMState.WS_CONNECTED and decoded[1:3] == ["0", "0"]:
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log.debug(f"AUTHORITATIVE GUEST NAME!! {decoded[3]}")
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## SET CURRENT BOT NAME ##
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vm_botuser[vm_name] = decoded[3]
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elif STATE == CollabVMState.LOGGED_IN and decoded[2] in vm_botuser[vm_name]:
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log.debug(f"AUTHORITATIVE BOT NAME CHANGE!! {decoded[3]}")
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## SET CURRENT BOT NAME ##
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vm_botuser[vm_name] = decoded[3]
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log.debug(
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(
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f"({CollabVMState(STATE).name} - {vm_name}) Received unfiltered: {decoded}"
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)
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)
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for vm in config.vms.keys():
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def start_vm_thread(vm_name: str):
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asyncio.run(connect(vm_name))
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async def main():
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tasks = [connect(vm) for vm in config.vms.keys()]
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await asyncio.gather(*tasks)
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asyncio.run(main()) |