320 lines
13 KiB
Python
320 lines
13 KiB
Python
import discord
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from discord.ext.commands import Cog
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import json
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import re
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import config
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from helpers.restrictions import get_user_restrictions
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class Logs(Cog):
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"""
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Logs join and leave messages, bans and unbans, and member changes.
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"""
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def __init__(self, bot):
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self.bot = bot
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self.invite_re = re.compile(r"((discord\.gg|discordapp\.com/"
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r"+invite)/+[a-zA-Z0-9-]+)")
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self.name_re = re.compile(r"[a-zA-Z0-9].*")
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self.clean_re = re.compile(r'[\W_]+', re.UNICODE)
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# All lower case, no spaces, nothing non-alphanumeric
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self.susp_words = ["sx", "tx", "reinx", # piracy-enabling cfws
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"tinfoil", "dz", # title managers
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"goldleaf", "lithium", # title managers
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"nsp", "xci", # "backup" formats
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"nut", "doge", "cdnsp"] # cdn dlers/dumpers
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self.ok_words = ["nspwn", "hblnsp", "exefs"]
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@Cog.listener()
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async def on_member_join(self, member):
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await self.bot.wait_until_ready()
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log_channel = self.bot.get_channel(config.log_channel)
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# We use this a lot, might as well get it once
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escaped_name = self.bot.escape_message(member)
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# Attempt to correlate the user joining with an invite
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with open("data/invites.json", "r") as f:
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invites = json.load(f)
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real_invites = await member.guild.invites()
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# Add unknown active invites. Can happen if invite was manually created
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for invite in real_invites:
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if invite.id not in invites:
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invites[invite.id] = {
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"uses": 0,
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"url": invite.url,
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"max_uses": invite.max_uses,
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"code": invite.code
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}
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probable_invites_used = []
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items_to_delete = []
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# Look for invites whose usage increased since last lookup
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for id, invite in invites.items():
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real_invite = next((x for x in real_invites if x.id == id), None)
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if real_invite is None:
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# Invite does not exist anymore. Was either revoked manually
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# or the final use was used up
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probable_invites_used.append(invite)
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items_to_delete.append(id)
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elif invite["uses"] < real_invite.uses:
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probable_invites_used.append(invite)
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invite["uses"] = real_invite.uses
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# Delete used up invites
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for id in items_to_delete:
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del invites[id]
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# Save invites data.
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with open("data/invites.json", "w") as f:
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f.write(json.dumps(invites))
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# Prepare the invite correlation message
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if len(probable_invites_used) == 1:
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invite_used = probable_invites_used[0]["url"]
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elif len(probable_invites_used) == 0:
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invite_used = "Unknown"
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else:
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invite_used = "One of: "
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invite_used += ", ".join([x["code"] for x in probable_invites_used])
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# Check if user account is older than 15 minutes
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age = member.joined_at - member.created_at
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if age < config.min_age:
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try:
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await member.send(f"Your account is too new to "
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f"join {member.guild.name}."
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" Please try again later.")
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sent = True
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except discord.errors.Forbidden:
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sent = False
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await member.kick(reason="Too new")
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msg = f"🚨 **Account too new**: {member.mention} | "\
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f"{escaped_name}\n"\
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f"🗓 __Creation__: {member.created_at}\n"\
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f"🕓 Account age: {age}\n"\
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f"✉ Joined with: {invite_used}\n"\
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f"🏷 __User ID__: {member.id}"
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if not sent:
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msg += "\nThe user has disabled direct messages,"\
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" so the reason was not sent."
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await log_channel.send(msg)
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return
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msg = f"✅ **Join**: {member.mention} | "\
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f"{escaped_name}\n"\
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f"🗓 __Creation__: {member.created_at}\n"\
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f"🕓 Account age: {age}\n"\
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f"✉ Joined with: {invite_used}\n"\
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f"🏷 __User ID__: {member.id}"
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# Handles user restrictions
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# Basically, gives back muted role to users that leave with it.
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rsts = get_user_restrictions(member.id)
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roles = [discord.utils.get(member.guild.roles, id=rst) for rst in rsts]
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await member.add_roles(*roles)
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# Real hell zone.
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with open("data/userlog.json", "r") as f:
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warns = json.load(f)
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try:
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if len(warns[str(member.id)]["warns"]) == 0:
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await log_channel.send(msg)
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else:
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embed = discord.Embed(color=discord.Color.dark_red(),
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title=f"Warns for {escaped_name}")
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embed.set_thumbnail(url=member.avatar_url)
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for idx, warn in enumerate(warns[str(member.id)]["warns"]):
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embed.add_field(name=f"{idx + 1}: {warn['timestamp']}",
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value=f"Issuer: {warn['issuer_name']}"
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f"\nReason: {warn['reason']}")
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await log_channel.send(msg, embed=embed)
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except KeyError: # if the user is not in the file
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await log_channel.send(msg)
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async def do_spy(self, message):
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if message.author.bot:
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return
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alert = False
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cleancont = self.clean_re.sub('', message.content).lower()
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msg = f"🚨 Suspicious message by {message.author.mention} "\
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f"({message.author.id}):"
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invites = self.invite_re.findall(message.content.lower())
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for invite in invites:
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msg += f"\n- Has invite: https://{invite[0]}"
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alert = True
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for susp_word in self.susp_words:
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if susp_word in cleancont and\
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not any(ok_word in cleancont for ok_word in self.ok_words):
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msg += f"\n- Contains suspicious word: `{susp_word}`"
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alert = True
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if alert:
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msg += f"\n\nJump: <{message.jump_url}>"
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spy_channel = self.bot.get_channel(config.spylog_channel)
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# Show a message embed
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embed = discord.Embed(description=message.content)
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embed.set_author(name=message.author.display_name,
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icon_url=message.author.avatar_url)
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await spy_channel.send(msg, embed=embed)
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async def do_nickcheck(self, message):
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compliant = self.name_re.fullmatch(message.author.display_name)
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if compliant:
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return
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msg = f"R11 violating name by {message.author.mention} "\
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f"({message.author.id})."
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spy_channel = self.bot.get_channel(config.spylog_channel)
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await spy_channel.send(msg)
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@Cog.listener()
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async def on_message(self, message):
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await self.bot.wait_until_ready()
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if message.channel.id not in config.spy_channels:
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return
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await self.do_spy(message)
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@Cog.listener()
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async def on_message_edit(self, before, after):
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await self.bot.wait_until_ready()
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if after.channel.id not in config.spy_channels or after.author.bot:
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return
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# If content is the same, just skip over it
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# This usually means that something embedded.
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if before.clean_content == after.clean_content:
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return
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await self.do_spy(after)
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log_channel = self.bot.get_channel(config.log_channel)
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msg = "📝 **Message edit**: \n"\
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f"from {self.bot.escape_message(after.author.name)} "\
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f"({after.author.id}), in {after.channel.mention}:\n"\
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f"`{before.clean_content}` → `{after.clean_content}`"
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# If resulting message is too long, upload to hastebin
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if len(msg) > 2000:
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haste_url = await self.bot.haste(msg)
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msg = f"📝 **Message edit**: \nToo long: <{haste_url}>"
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await log_channel.send(msg)
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@Cog.listener()
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async def on_message_delete(self, message):
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await self.bot.wait_until_ready()
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if message.channel.id not in config.spy_channels or message.author.bot:
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return
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log_channel = self.bot.get_channel(config.log_channel)
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msg = "🗑️ **Message delete**: \n"\
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f"from {self.bot.escape_message(message.author.name)} "\
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f"({message.author.id}), in {message.channel.mention}:\n"\
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f"`{message.clean_content}`"
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# If resulting message is too long, upload to hastebin
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if len(msg) > 2000:
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haste_url = await self.bot.haste(msg)
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msg = f"🗑️ **Message delete**: \nToo long: <{haste_url}>"
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await log_channel.send(msg)
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@Cog.listener()
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async def on_member_remove(self, member):
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await self.bot.wait_until_ready()
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log_channel = self.bot.get_channel(config.log_channel)
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msg = f"⬅️ **Leave**: {member.mention} | "\
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f"{self.bot.escape_message(member)}\n"\
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f"🏷 __User ID__: {member.id}"
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await log_channel.send(msg)
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@Cog.listener()
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async def on_member_ban(self, guild, member):
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await self.bot.wait_until_ready()
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log_channel = self.bot.get_channel(config.modlog_channel)
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msg = f"⛔ **Ban**: {member.mention} | "\
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f"{self.bot.escape_message(member)}\n"\
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f"🏷 __User ID__: {member.id}"
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await log_channel.send(msg)
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@Cog.listener()
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async def on_member_unban(self, guild, user):
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await self.bot.wait_until_ready()
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log_channel = self.bot.get_channel(config.modlog_channel)
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msg = f"⚠️ **Unban**: {user.mention} | "\
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f"{self.bot.escape_message(user)}\n"\
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f"🏷 __User ID__: {user.id}"
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# if user.id in self.bot.timebans:
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# msg += "\nTimeban removed."
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# self.bot.timebans.pop(user.id)
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# with open("data/timebans.json", "r") as f:
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# timebans = json.load(f)
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# if user.id in timebans:
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# timebans.pop(user.id)
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# with open("data/timebans.json", "w") as f:
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# json.dump(timebans, f)
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await log_channel.send(msg)
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@Cog.listener()
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async def on_member_update(self, member_before, member_after):
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await self.bot.wait_until_ready()
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msg = ""
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log_channel = self.bot.get_channel(config.log_channel)
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if member_before.roles != member_after.roles:
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# role removal
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role_removal = []
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for index, role in enumerate(member_before.roles):
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if role not in member_after.roles:
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role_removal.append(role)
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# role addition
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role_addition = []
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for index, role in enumerate(member_after.roles):
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if role not in member_before.roles:
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role_addition.append(role)
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if len(role_addition) != 0 or len(role_removal) != 0:
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msg += "\n👑 __Role change__: "
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roles = []
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for role in role_removal:
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roles.append("_~~" + role.name + "~~_")
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for role in role_addition:
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roles.append("__**" + role.name + "**__")
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for index, role in enumerate(member_after.roles):
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if role.name == "@everyone":
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continue
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if role not in role_removal and role not in role_addition:
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roles.append(role.name)
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msg += ", ".join(roles)
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if member_before.name != member_after.name:
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msg += "\n📝 __Username change__: "\
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f"{self.bot.escape_message(member_before)} → "\
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f"{self.bot.escape_message(member_after)}"
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if member_before.nick != member_after.nick:
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if not member_before.nick:
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msg += "\n🏷 __Nickname addition__"
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elif not member_after.nick:
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msg += "\n🏷 __Nickname removal__"
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else:
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msg += "\n🏷 __Nickname change__"
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msg += f": {self.bot.escape_message(member_before.nick)} → "\
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f"{self.bot.escape_message(member_after.nick)}"
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if msg:
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msg = f"ℹ️ **Member update**: {member_after.mention} | "\
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f"{self.bot.escape_message(member_after)}{msg}"
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await log_channel.send(msg)
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def setup(bot):
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bot.add_cog(Logs(bot))
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