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