diff options
Diffstat (limited to 'bot/exts/moderation/dm_relay.py')
| -rw-r--r-- | bot/exts/moderation/dm_relay.py | 160 |
1 files changed, 50 insertions, 110 deletions
diff --git a/bot/exts/moderation/dm_relay.py b/bot/exts/moderation/dm_relay.py index 6d081741c..1d2206e27 100644 --- a/bot/exts/moderation/dm_relay.py +++ b/bot/exts/moderation/dm_relay.py @@ -1,132 +1,72 @@ import logging -from typing import Optional import discord -from async_rediscache import RedisCache -from discord import Color -from discord.ext import commands -from discord.ext.commands import Cog +from discord.ext.commands import Cog, Context, command, has_any_role -from bot import constants from bot.bot import Bot -from bot.converters import UserMentionOrID -from bot.utils.checks import in_whitelist_check -from bot.utils.messages import send_attachments -from bot.utils.webhooks import send_webhook +from bot.constants import Emojis, MODERATION_ROLES +from bot.utils.services import send_to_paste_service log = logging.getLogger(__name__) class DMRelay(Cog): - """Relay direct messages to and from the bot.""" - - # RedisCache[str, t.Union[discord.User.id, discord.Member.id]] - dm_cache = RedisCache() + """Inspect messages sent to the bot.""" def __init__(self, bot: Bot): self.bot = bot - self.webhook_id = constants.Webhooks.dm_log - self.webhook = None - self.bot.loop.create_task(self.fetch_webhook()) - - @commands.command(aliases=("reply",)) - async def send_dm(self, ctx: commands.Context, member: Optional[UserMentionOrID], *, message: str) -> None: - """ - Allows you to send a DM to a user from the bot. - - If `member` is not provided, it will send to the last user who DM'd the bot. - - This feature should be used extremely sparingly. Use ModMail if you need to have a serious - conversation with a user. This is just for responding to extraordinary DMs, having a little - fun with users, and telling people they are DMing the wrong bot. - - NOTE: This feature will be removed if it is overused. - """ - if not member: - user_id = await self.dm_cache.get("last_user") - member = ctx.guild.get_member(user_id) if user_id else None - - # If we still don't have a Member at this point, give up - if not member: - log.debug("This bot has never gotten a DM, or the RedisCache has been cleared.") - await ctx.message.add_reaction("❌") + + @command(aliases=("relay", "dr")) + async def dmrelay(self, ctx: Context, user: discord.User, limit: int = 100) -> None: + """Relays the direct message history between the bot and given user.""" + log.trace(f"Relaying DMs with {user.name} ({user.id})") + + if user.bot: + await ctx.send(f"{Emojis.cross_mark} No direct message history with bots.") return - if member.id == self.bot.user.id: - log.debug("Not sending message to bot user") - return await ctx.send("🚫 I can't send messages to myself!") - - try: - await member.send(message) - except discord.errors.Forbidden: - log.debug("User has disabled DMs.") - await ctx.message.add_reaction("❌") - else: - await ctx.message.add_reaction("✅") - self.bot.stats.incr("dm_relay.dm_sent") - - async def fetch_webhook(self) -> None: - """Fetches the webhook object, so we can post to it.""" - await self.bot.wait_until_guild_available() - - try: - self.webhook = await self.bot.fetch_webhook(self.webhook_id) - except discord.HTTPException: - log.exception(f"Failed to fetch webhook with id `{self.webhook_id}`") - - @Cog.listener() - async def on_message(self, message: discord.Message) -> None: - """Relays the message's content and attachments to the dm_log channel.""" - # Only relay DMs from humans - if message.author.bot or message.guild or self.webhook is None: + output = "" + async for msg in user.history(limit=limit, oldest_first=True): + created_at = msg.created_at.strftime(r"%Y-%m-%d %H:%M") + + # Metadata (author, created_at, id) + output += f"{msg.author} [{created_at}] ({msg.id}): " + + # Content + if msg.content: + output += msg.content + "\n" + + # Embeds + if (embeds := len(msg.embeds)) > 0: + output += f"<{embeds} embed{'s' if embeds > 1 else ''}>\n" + + # Attachments + attachments = "\n".join(a.url for a in msg.attachments) + if attachments: + output += attachments + "\n" + + if not output: + await ctx.send(f"{Emojis.cross_mark} No direct message history with {user.mention}.") + return + + metadata = ( + f"User: {user} ({user.id})\n" + f"Channel ID: {user.dm_channel.id}\n\n" + ) + + paste_link = await send_to_paste_service(metadata + output, extension="txt") + + if paste_link is None: + await ctx.send(f"{Emojis.cross_mark} Failed to upload output to hastebin.") return - if message.clean_content: - await send_webhook( - webhook=self.webhook, - content=message.clean_content, - username=f"{message.author.display_name} ({message.author.id})", - avatar_url=message.author.avatar_url - ) - await self.dm_cache.set("last_user", message.author.id) - self.bot.stats.incr("dm_relay.dm_received") - - # Handle any attachments - if message.attachments: - try: - await send_attachments( - message, - self.webhook, - username=f"{message.author.display_name} ({message.author.id})" - ) - except (discord.errors.Forbidden, discord.errors.NotFound): - e = discord.Embed( - description=":x: **This message contained an attachment, but it could not be retrieved**", - color=Color.red() - ) - await send_webhook( - webhook=self.webhook, - embed=e, - username=f"{message.author.display_name} ({message.author.id})", - avatar_url=message.author.avatar_url - ) - except discord.HTTPException: - log.exception("Failed to send an attachment to the webhook") - - async def cog_check(self, ctx: commands.Context) -> bool: + await ctx.send(paste_link) + + async def cog_check(self, ctx: Context) -> bool: """Only allow moderators to invoke the commands in this cog.""" - checks = [ - await commands.has_any_role(*constants.MODERATION_ROLES).predicate(ctx), - in_whitelist_check( - ctx, - channels=[constants.Channels.dm_log], - redirect=None, - fail_silently=True, - ) - ] - return all(checks) + return await has_any_role(*MODERATION_ROLES).predicate(ctx) def setup(bot: Bot) -> None: - """Load the DMRelay cog.""" + """Load the DMRelay cog.""" bot.add_cog(DMRelay(bot)) |