81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
import time
|
|
import random
|
|
import traceback
|
|
|
|
from typing import TYPE_CHECKING, TypeVar
|
|
|
|
if TYPE_CHECKING:
|
|
from ica_typing import NewMessage, IcaClient
|
|
else:
|
|
NewMessage = TypeVar("NewMessage")
|
|
IcaClient = TypeVar("IcaClient")
|
|
|
|
def safe_eval(code: str, msg: NewMessage) -> str:
|
|
try:
|
|
# code = code.replace('help', '坏东西！\n')
|
|
# code = code.replace('bytes', '坏东西！\n')
|
|
# code = code.replace('encode', '坏东西！\n')
|
|
# code = code.replace('decode', '坏东西！\n')
|
|
# code = code.replace('compile', '屑的！\n')
|
|
# code = code.replace('globals', '拿不到！\n')
|
|
code = code.replace("os", "坏东西！\n")
|
|
code = code.replace("sys", "坏东西！\n")
|
|
# code = code.replace('input', '坏东西！\n')
|
|
# code = code.replace('__', '啊哈！\n')
|
|
# code = code.replace('import', '很坏！\n')
|
|
code = code.replace(" kill", "别跑！\n")
|
|
code = code.replace(" rm ", "别跑！\n")
|
|
code = code.replace("exit", "好坏！\n")
|
|
code = code.replace("eval", "啊哈！\n")
|
|
code = code.replace("exec", "抓住！\n")
|
|
start_time = time.time()
|
|
try:
|
|
import os
|
|
import math
|
|
import decimal
|
|
|
|
global_val = {
|
|
"time": time,
|
|
"math": math,
|
|
"decimal": decimal,
|
|
"random": random,
|
|
"__import__": "<built-in function __import__>",
|
|
"globals": "<built-in function globals>",
|
|
"compile": "<built-in function compile>",
|
|
"open": "<built-in function open>",
|
|
"help": "<built-in function help>",
|
|
"exit": "<built-in function exit>",
|
|
"input": "<built-in function input>",
|
|
"return": "别惦记你那个 return 了",
|
|
"getattr": "<built-in function getattr>",
|
|
"setattr": "<built-in function setattr>",
|
|
"msg": msg,
|
|
}
|
|
os.system = "不许"
|
|
result = str(eval(code, global_val, {}))
|
|
limit = 500
|
|
if len(result) > limit:
|
|
result = result[:limit]
|
|
except:
|
|
result = traceback.format_exc()
|
|
end_time = time.time()
|
|
|
|
if result == "6" or result == 6:
|
|
result = "他确实等于 6"
|
|
|
|
result = f"{code}\neval result:\n{result}\n耗时: {end_time - start_time} s"
|
|
return result
|
|
except:
|
|
error = traceback.format_exc()
|
|
result = f"error:\n{error}"
|
|
return result
|
|
|
|
|
|
# def on_message(message: NewMessage, client: IcaClient) -> None:
|
|
# if not (message.is_from_self or message.is_reply):
|
|
# if message.content.startswith("/="):
|
|
# code = message.content[2:]
|
|
# result = safe_eval(code, message)
|
|
# reply = message.reply_with(result)
|
|
# client.send_message(reply)
|