121 lines
4.5 KiB
Python
121 lines
4.5 KiB
Python
import discord
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from discord.ext import commands
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import aiosqlite
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import asyncio
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import datetime
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import pytz
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class AntiWebhookCreate(commands.Cog):
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def __init__(self, bot):
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self.bot = bot
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self.event_limits = {}
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self.cooldowns = {}
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async def fetch_audit_logs(self, guild, action, target_id):
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try:
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now = datetime.datetime.now(pytz.utc)
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logs = [entry async for entry in guild.audit_logs(action=action, limit=1)]
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for entry in logs:
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if entry.target.id == target_id:
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difference = (now - entry.created_at).total_seconds() * 1000
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if difference < 3600000:
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return entry
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except Exception:
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return None
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return None
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def can_fetch_audit(self, guild_id, event_name, max_requests=6, interval=10, cooldown_duration=300):
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now = datetime.datetime.now()
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self.event_limits.setdefault(guild_id, {}).setdefault(event_name, []).append(now)
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timestamps = self.event_limits[guild_id][event_name]
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timestamps = [t for t in timestamps if (now - t).total_seconds() <= interval]
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self.event_limits[guild_id][event_name] = timestamps
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if guild_id in self.cooldowns and event_name in self.cooldowns[guild_id]:
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if (now - self.cooldowns[guild_id][event_name]).total_seconds() < cooldown_duration:
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return False
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del self.cooldowns[guild_id][event_name]
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if len(timestamps) > max_requests:
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self.cooldowns.setdefault(guild_id, {})[event_name] = now
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return False
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return True
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async def is_blacklisted_guild(self, guild_id):
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async with aiosqlite.connect('db/block.db') as block_db:
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cursor = await block_db.execute("SELECT 1 FROM guild_blacklist WHERE guild_id = ?", (str(guild_id),))
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return await cursor.fetchone() is not None
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@commands.Cog.listener()
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async def on_webhooks_create(self, channel):
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guild = channel.guild
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if await self.is_blacklisted_guild(guild.id):
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return
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async with aiosqlite.connect('db/anti.db') as db:
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async with db.execute("SELECT status FROM antinuke WHERE guild_id = ?", (guild.id,)) as cursor:
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antinuke_status = await cursor.fetchone()
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if not antinuke_status or not antinuke_status[0]:
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return
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if not self.can_fetch_audit(guild.id, 'webhook_create'):
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return
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entry = await self.fetch_audit_logs(guild, discord.AuditLogAction.webhook_create, channel.id)
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if entry is None:
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return
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executor = entry.user
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if executor.id in {guild.owner_id, self.bot.user.id}:
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return
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async with aiosqlite.connect('db/anti.db') as db:
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async with db.execute("SELECT mngweb FROM whitelisted_users WHERE guild_id = ? AND user_id = ?",
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(guild.id, executor.id)) as cursor:
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whitelist_status = await cursor.fetchone()
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if whitelist_status and whitelist_status[0]:
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return
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async with db.execute("SELECT owner_id FROM extraowners WHERE guild_id = ? AND owner_id = ?",
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(guild.id, executor.id)) as cursor:
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extra_owner_status = await cursor.fetchone()
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if extra_owner_status and extra_owner_status[0]:
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return
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try:
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await self.ban_executor_and_delete_webhook(guild, executor, entry.target)
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await asyncio.sleep(3)
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except Exception:
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return
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async def ban_executor_and_delete_webhook(self, guild, executor, webhook):
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retries = 3
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while retries > 0:
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try:
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await guild.ban(executor, reason="Webhook Create | Unwhitelisted User")
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if webhook:
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await webhook.delete(reason="Webhook Created by unwhitelisted user")
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return
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except discord.Forbidden:
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return
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except discord.HTTPException as e:
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if e.status == 429:
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retry_after = e.response.headers.get('Retry-After')
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if retry_after:
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await asyncio.sleep(float(retry_after))
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else:
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return
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except discord.errors.RateLimited as e:
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await asyncio.sleep(e.retry_after)
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retries -= 1
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except Exception:
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return
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retries -= 1
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