352 lines
17 KiB
Python
352 lines
17 KiB
Python
from discord.ext import commands
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import discord
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import logging
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import asyncio
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import re
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import hashlib
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from datetime import datetime
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import os
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import pydot
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import tempfile
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import util
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import eventbus
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# Generate a "phone" address
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# Not actually for phones
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def generate_address(ctx):
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h = hashlib.blake2b(str(ctx.guild.id).encode("utf-8")).digest()
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words = open("wordlist-8192.txt").readlines()
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out = ""
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for i in range(3):
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out += words[int.from_bytes(h[i * 2:i * 2 + 3], "little") % 8192].strip().title()
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return out
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def parse_formatting(bot, text):
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def parse_match(m):
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try:
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target = int(m.group(2))
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except ValueError: return m.string
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if m.group(1) == "@": # user ping
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user = bot.get_user(target)
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if user: return { "type": "user_mention", "name": user.name, "id": target }
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return f"@{target}"
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else: # channel "ping"
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channel = bot.get_channel(target)
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if channel: return { "type": "channel_mention", "name": channel.name, "id": target }
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return f"#{target}"
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remaining = text
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out = []
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while match := re.search(r"<([@#])!?([0-9]+)>", remaining):
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start, end = match.span()
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out.append(remaining[:start])
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out.append(parse_match(match))
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remaining = remaining[end:]
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out.append(remaining)
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return list(filter(lambda x: x != "", out))
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def render_formatting(dest_channel, message):
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out = ""
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for seg in message:
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if isinstance(seg, str):
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out += seg
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else:
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kind = seg["type"]
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# TODO: use python 3.10 pattern matching
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if kind == "user_mention":
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member = dest_channel.guild.get_member(seg["id"])
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if member != None: out += f"<@{member.id}>"
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else: out += f"@{seg['name']}"
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elif kind == "channel_mention": # these appear to be clickable across servers/guilds
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out += f"<#{seg['id']}>"
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else: logging.warn("Unrecognized message seg %s", kind)
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return out
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class Telephone(commands.Cog):
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# Discord event bus link
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def __init__(self, bot):
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self.webhooks = {}
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self.bot = bot
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self.unlisten = eventbus.add_listener("discord", self.on_bridge_message)
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self.webhook_queue = asyncio.Queue(50)
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self.webhook_queue_handler_task = asyncio.create_task(self.send_webhooks())
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async def send_webhooks(self):
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while True:
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webhook, content, username, avatar_url = await self.webhook_queue.get()
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wh_obj = discord.Webhook.from_url(webhook, adapter=discord.AsyncWebhookAdapter(self.bot.http._HTTPClient__session))
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try:
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await wh_obj.send(content=content, username=username, avatar_url=avatar_url, allowed_mentions=discord.AllowedMentions(everyone=False, roles=False, users=False))
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except:
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logging.exception("Webhook send on %s failed")
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async def initial_load_webhooks(self):
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rows = await self.bot.database.execute_fetchall("SELECT * FROM discord_webhooks")
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for row in rows:
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self.webhooks[row["channel_id"]] = row["webhook"]
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logging.info("Loaded %d webhooks", len(rows))
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async def on_bridge_message(self, channel_id, msg: eventbus.Message):
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channel = self.bot.get_channel(channel_id)
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if channel:
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webhook = self.webhooks.get(channel_id)
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attachments_text = "\n".join(f"{at.filename}: {at.proxy_url}" for at in msg.attachments)
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async def send_raw(text):
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if webhook:
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try:
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self.webhook_queue.put_nowait((webhook, text, msg.author.name, msg.author.avatar_url))
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except asyncio.QueueFull:
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text = f"<{msg.author.name}> {text}"
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await channel.send(text[:2000], allowed_mentions=discord.AllowedMentions(everyone=False, roles=False, users=False))
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else:
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text = f"<{msg.author.name}> {text}"
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await channel.send(text[:2000], allowed_mentions=discord.AllowedMentions(everyone=False, roles=False, users=False))
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await send_raw(render_formatting(channel, msg.message)[:2000])
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if attachments_text: await send_raw(attachments_text)
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else:
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logging.warning("Channel %d not found", channel_id)
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@commands.Cog.listener("on_message")
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async def send_to_bridge(self, msg):
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# discard webhooks and bridge messages (hackily, admittedly, not sure how else to do this)
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if msg.content == "" and len(msg.attachments) == 0: return
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if (msg.author == self.bot.user and msg.content[0] == "<") or msg.author.discriminator == "0000": return
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channel_id = msg.channel.id
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reply = None
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if msg.reference:
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if isinstance(msg.reference.resolved, discord.DeletedReferencedMessage):
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replying_to = None
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elif msg.reference.resolved:
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replying_to = msg.reference.resolved
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elif msg.reference.cached_message:
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replying_to = msg.reference.cached_message
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else:
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try:
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replying_to = await self.bot.get_guild(msg.reference.guild_id).get_channel(msg.reference.channel_id).fetch_message(msg.reference.message_id)
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except discord.HTTPException:
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replying_to = None
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if replying_to:
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reply = (eventbus.AuthorInfo(replying_to.author.name, replying_to.author.id, str(replying_to.author.avatar_url), replying_to.author.bot), parse_formatting(self.bot, replying_to.content))
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else:
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reply = (None, None)
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msg = eventbus.Message(eventbus.AuthorInfo(msg.author.name, msg.author.id, str(msg.author.avatar_url), msg.author.bot),
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parse_formatting(self.bot, msg.content), ("discord", channel_id), msg.id, [ at for at in msg.attachments if not at.is_spoiler() ], reply=reply)
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await eventbus.push(msg)
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def cog_unload(self):
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self.unlisten()
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self.webhook_queue_handler_task.cancel()
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# ++tel commands
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@commands.group(name="apiotelephone", aliases=["tel", "tele", "telephone", "apiotel"], brief="ApioTelephone lets you 'call' other servers.")
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async def telephone(self, ctx):
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"""Call other (participating) servers with ApioTelephone! To configure a channel for telephony, use the setup command (requires Manage Channels).
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It's recommended that you give the bot Manage Webhooks permissions in this channel so that it can use webhook calls mode.
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To place a call, use dial [number] - the other end has to accept the call.
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When you want to end a call, use hangup.
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"""
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pass
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async def get_channel_config(self, channel):
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return await self.bot.database.execute_fetchone("SELECT * FROM telephone_config WHERE channel_id = ?", (channel,))
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async def get_addr_config(self, addr):
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return await self.bot.database.execute_fetchone("SELECT * FROM telephone_config WHERE id = ? COLLATE NOCASE", (addr,))
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@telephone.command(brief="Link to other channels", help="""Connect to another channel on Discord or any supported bridges.
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Virtual channels also exist.
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""")
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@commands.check(util.extpriv_check)
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async def link(self, ctx, target_type, target_id, bidirectional: bool = True):
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target_id = util.extract_codeblock(target_id)
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try:
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target_id = int(target_id)
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except ValueError: pass
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await eventbus.add_bridge_link(self.bot.database, ("discord", ctx.channel.id), (target_type, target_id), "manual", bidirectional)
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await ctx.send(f"Link established.")
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pass
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@telephone.command(brief="Undo link commands.")
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@commands.check(util.extpriv_check)
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async def unlink(self, ctx, target_type, target_id, bidirectional: bool = True):
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target_id = util.extract_codeblock(target_id)
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try:
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target_id = int(target_id)
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except ValueError: pass
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await eventbus.remove_bridge_link(self.bot.database, ("discord", ctx.channel.id), (target_type, target_id), bidirectional)
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await ctx.send(f"Successfully deleted.")
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pass
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@telephone.command(brief="Generate a webhook")
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@commands.check(util.server_mod_check)
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async def init_webhook(self, ctx):
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webhook = (await ctx.channel.create_webhook(name="ABR webhook", reason=f"requested by {ctx.author.name}")).url
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await self.bot.database.execute("INSERT OR REPLACE INTO discord_webhooks VALUES (?, ?)", (ctx.channel.id, webhook))
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await self.bot.database.commit()
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self.webhooks[ctx.channel.id] = webhook
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await ctx.send("Done.")
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@telephone.command()
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@commands.check(util.server_mod_check)
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async def setup(self, ctx):
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num = generate_address(ctx)
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await ctx.send(f"Your address is {num}.")
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info = await self.get_addr_config(num)
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webhook = None
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if info: webhook = info["webhook"]
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if not info or not webhook:
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try:
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webhook = (await ctx.channel.create_webhook(name="incoming message display", reason="configure for apiotelephone")).url
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await self.bot.database.execute("INSERT OR REPLACE INTO discord_webhooks VALUES (?, ?)", (ctx.channel.id, webhook))
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await ctx.send("Created webhook.")
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except discord.Forbidden as f:
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logging.warn("Could not create webhook in #%s %s", ctx.channel.name, ctx.guild.name, exc_info=f)
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await ctx.send("Webhook creation failed - please ensure permissions are available. This is not necessary but is recommended.")
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await self.bot.database.execute("INSERT OR REPLACE INTO telephone_config VALUES (?, ?, ?, ?)", (num, ctx.guild.id, ctx.channel.id, webhook))
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await self.bot.database.commit()
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await ctx.send("Configured.")
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@telephone.command(aliases=["rcall"], brief="Dial another telephone channel.")
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async def rdial(self, ctx):
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# TODO: this is not very performant
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random = (await self.bot.database.execute_fetchone("SELECT id FROM telephone_config ORDER BY RANDOM()"))["id"]
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await self.dial(ctx, random)
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@telephone.command(aliases=["call"], brief="Dial another telephone channel.")
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async def dial(self, ctx, address):
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# basic checks - ensure this is a phone channel and has no other open calls
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channel_info = await self.get_channel_config(ctx.channel.id)
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if not channel_info: return await ctx.send(embed=util.error_embed("Not in a phone channel."))
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originating_address = channel_info["id"]
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if address == originating_address: return await ctx.send(embed=util.error_embed("A channel cannot dial itself. That means *you*, Gibson."))
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recv_info = await self.get_addr_config(address)
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if not recv_info: return await ctx.send(embed=util.error_embed("Destination address not found. Please check for typos and/or antimemes."))
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current_call = await self.bot.database.execute_fetchone("SELECT * FROM calls WHERE from_id = ?", (originating_address,))
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if current_call: return await ctx.send(embed=util.error_embed(f"A call is already open (to {current_call['to_id']}) from this channel. Currently, only one outgoing call is permitted at a time."))
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# post embed in the receiving channel prompting people to accept/decline call
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recv_channel = self.bot.get_channel(recv_info["channel_id"])
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_, call_message = await asyncio.gather(
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ctx.send(embed=util.info_embed("Outgoing call", f"Dialing {address}...")),
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recv_channel.send(embed=util.info_embed("Incoming call",
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f"Call from {originating_address}. Click :white_check_mark: to accept or :negative_squared_cross_mark: to decline."))
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)
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# add clickable reactions to it
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await asyncio.gather(
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call_message.add_reaction("✅"),
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call_message.add_reaction("❎")
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)
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def check(re, u): return (str(re.emoji) == "✅" or str(re.emoji) == "❎") and u != self.bot.user
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reaction = None
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# wait until someone clicks the reactions, or time out and say so
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try:
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reaction, user = await self.bot.wait_for("reaction_add", timeout=util.config["call_timeout"], check=check)
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except asyncio.TimeoutError:
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await asyncio.gather(
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ctx.send(embed=util.error_embed("Timed out", "Outgoing call timed out - the other end did not pick up.")),
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recv_channel.send(embed=util.error_embed("Timed out", "Call timed out - no response in time"))
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)
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await asyncio.gather(call_message.remove_reaction("✅", self.bot.user), call_message.remove_reaction("❎", self.bot.user))
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em = str(reaction.emoji) if reaction else "❎"
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if em == "✅": # accept call
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await self.bot.database.execute("INSERT INTO calls VALUES (?, ?, ?)", (originating_address, address, util.timestamp()))
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await self.bot.database.commit()
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await eventbus.add_bridge_link(self.bot.database, ("discord", ctx.channel.id), ("discord", recv_channel.id), "telephone")
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await asyncio.gather(
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ctx.send(embed=util.info_embed("Outgoing call", "Call accepted and connected.")),
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recv_channel.send(embed=util.info_embed("Incoming call", "Call accepted and connected."))
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)
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elif em == "❎": # drop call
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await ctx.send(embed=util.error_embed("Your call was declined.", "Call declined"))
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@telephone.command(aliases=["disconnect", "quit"], brief="Disconnect latest call.")
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async def hangup(self, ctx):
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channel_info = await self.get_channel_config(ctx.channel.id)
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addr = channel_info["id"]
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if not channel_info: return await ctx.send(embed=util.error_embed("Not in a phone channel."))
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from_here = await self.bot.database.execute_fetchone("SELECT * FROM calls WHERE from_id = ?", (addr,))
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to_here = await self.bot.database.execute_fetchone("SELECT * FROM calls WHERE to_id = ?", (addr,))
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if (not to_here) and (not from_here): return await ctx.send(embed=util.error_embed("No calls are active."))
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other = None
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if from_here:
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other = from_here["to_id"]
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await self.bot.database.execute("DELETE FROM calls WHERE from_id = ? AND to_id = ?", (addr, other))
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elif to_here:
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other = to_here["from_id"]
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await self.bot.database.execute("DELETE FROM calls WHERE to_id = ? AND from_id = ?", (addr, other))
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await self.bot.database.commit()
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other_channel = (await self.get_addr_config(other))["channel_id"]
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await eventbus.remove_bridge_link(self.bot.database, ("discord", other_channel), ("discord", ctx.channel.id))
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await asyncio.gather(
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ctx.send(embed=util.info_embed("Hung up", f"Call to {other} disconnected.")),
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self.bot.get_channel(other_channel).send(embed=util.info_embed("Hung up", f"Call to {addr} disconnected."))
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)
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@telephone.command(aliases=["status"], brief="List inbound/outbound calls.")
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async def info(self, ctx):
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channel_info = await self.get_channel_config(ctx.channel.id)
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if not channel_info: return await ctx.send(embed=util.info_embed("Phone status", "Not a phone channel"))
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addr = channel_info['id']
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title = f"{addr} status"
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fields = []
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now = datetime.utcnow()
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def delta(ts):
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return util.format_timedelta(datetime.utcfromtimestamp(ts), now)
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incoming = await self.bot.database.execute_fetchall("SELECT * FROM calls WHERE to_id = ?", (addr,))
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fields.extend(map(lambda x: ["Incoming call", f"From {x['from_id']} - for {delta(x['start_time'])}"], incoming))
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outgoing = await self.bot.database.execute_fetchall("SELECT * FROM calls WHERE from_id = ?", (addr,))
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fields.extend(map(lambda x: ["Outgoing call", f"To {x['to_id']} - for {delta(x['start_time'])}"], outgoing))
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await ctx.send(embed=util.info_embed(title, f"Connected: {len(incoming) + len(outgoing)}", fields))
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@telephone.command(brief="Dump links out of current channel.")
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async def graph(self, ctx):
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graph = pydot.Dot("linkgraph", ratio="fill")
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seen = set()
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seen_edges = set()
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def node_name(x):
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if x[0] == "discord":
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chan = self.bot.get_channel(x[1])
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if chan and getattr(chan, "name", False):
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out = "#" + chan.name
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if chan.guild:
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out = chan.guild.name + "/" + out
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return "discord/" + out
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else:
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return f"{x[0]}/{x[1]}"
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return f"{x[0]}/{x[1]}"
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todo = [("discord", ctx.channel.id)]
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while todo:
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current = todo.pop(0)
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graph.add_node(pydot.Node(node_name(current), fontname="monospace"))
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for adjacent in eventbus.links[current]:
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if adjacent not in seen:
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todo.append(adjacent)
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edge = (current, adjacent)
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if edge not in seen_edges:
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graph.add_edge(pydot.Edge(node_name(current), node_name(adjacent)))
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seen_edges.add(edge)
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seen.add(current)
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(handle, tmppath) = tempfile.mkstemp(".png", "graphviz")
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graph.write_png(tmppath)
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try:
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await ctx.send(file=discord.File(handle, filename="out.png"))
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finally:
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os.unlink(tmppath)
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def setup(bot):
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cog = Telephone(bot)
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bot.add_cog(cog)
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asyncio.create_task(cog.initial_load_webhooks())
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