Exemple #1
0
    def __init__(self, *, loop=None, **options):
        super().__init__(loop=loop, **options)

        self.banned_ids = []
        self.config = yaml.safe_load(open("config.yml", "r"))
        self.data_manager = DataManager()
        self.interpreter = Interpreter(locals(), self)
Exemple #2
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    def __init__(self, *, loop=None, **options):
        super().__init__(loop=loop, **options)

        self.banned_ids = []
        self.webhooks = {}  # {channel_id: webhook_url}

        with open("config.yml", "r") as fh:
            self.config = yaml.safe_load(fh)

        self.data_manager = DataManager()
        self.interpreter = Interpreter(locals(), self)
Exemple #3
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    def __init__(self, bot: Bot):
        self.bot = bot
        self.env = {}
        self.ln = 0
        self.stdout = StringIO()

        self.interpreter = Interpreter(bot)
Exemple #4
0
class Client(discord.client.Client):
    def __init__(self, *, loop=None, **options):
        super().__init__(loop=loop, **options)

        self.banned_ids = []
        self.config = yaml.safe_load(open("config.yml", "r"))
        self.data_manager = DataManager()
        self.interpreter = Interpreter(locals(), self)

    def get_token(self):
        return self.config["token"]

    def log_to_channel(self, record: logging.LogRecord):
        if not self.config.get("log_channel"):
            return

        channel = self.get_channel(self.config["log_channel"])

        if not channel:
            return

        dt = datetime.datetime.fromtimestamp(record.created)

        description = record.msg

        if record.exc_info:
            description += "\n\n```{}```".format("\n".join(
                traceback.format_exception(*record.exc_info)))

        embed = Embed(title="{} / {}".format(record.name, record.levelname),
                      description=description)

        if record.levelno in LOG_COLOURS:
            embed.colour = LOG_COLOURS[record.levelno]

        embed.set_footer(text=dt.strftime("%B %d %Y, %H:%M:%S"))

        async def inner():
            await self.send_message(channel, embed=embed)

        self.loop.call_soon_threadsafe(asyncio. async, inner())

    async def close(self):
        log.info("Shutting down...")
        self.data_manager.save()
        await discord.client.Client.close(self)

    def sections_updated(self, server):
        self.data_manager.save_server(server.id)

    async def on_ready(self):
        log.info("Setting up...")
        self.data_manager.load()

        for server in self.servers:
            self.data_manager.add_server(server.id)

        log.info("Ready!")

    async def on_server_join(self, server):
        log.info("Server joined: {} ({})\nOwner: {}".format(
            server.name, server.id, server.owner.name))
        self.data_manager.add_server(server.id)

        for message in WELCOME_MESSAGE:
            await self.send_message(server.default_channel, content=message)

    async def on_message(self, message):
        if message.server is None:
            return  # DM

        if message.author.id == self.user.id:
            return

        if str(message.author.discriminator
               ) == "0000":  # Ignore webhooks and system messages
            return

        logger = logging.getLogger(message.server.name)

        user = "******".format(message.author.name,
                              message.author.discriminator)

        for line in message.content.split("\n"):
            logger.debug("#{} / {} {}".format(message.channel.name, user,
                                              line))

        chars = self.data_manager.get_server_command_chars(message.server)
        text = None

        if message.content.startswith(chars):  # It's a command
            text = message.content[len(chars):].strip()
        elif message.content.startswith(self.user.mention):
            text = message.content[len(self.user.mention):].strip()

        if text:
            if " " in text:
                command, args = text.split(" ", 1)
            else:
                command = text
                args = ""

            args_string = args
            args = shlex.split(args)

            if len(args) > 0:
                data = args[0:]

                if GIST_REGEX.match(data[-1]):
                    gist_id = data.pop(-1).split(":")[1]
                    gist_url = GIST_URL.format(gist_id)

                    log.debug("Grabbing gist info: {}".format(gist_id))

                    session = ClientSession()

                    async with session.get(gist_url) as response:
                        gist_json = await response.json()

                    session.close()

                    if "files" not in gist_json:
                        return await self.send_message(
                            message.channel, "{} No such gist: `{}`".format(
                                message.author.mention, gist_id))

                    for filename, file in gist_json["files"].items():
                        log.debug("Gist file collected: {}".format(filename))
                        data.append(file["content"])
            else:
                data = []

            log.debug("Command: {}".format(repr(command)))
            log.debug("Args: {}".format(repr(args)))
            log.debug("Args string: {}".format(repr(args_string)))
            log.debug("Data: {}".format(repr(data)))

            if hasattr(self, "command_{}".format(command.replace("-", "_"))):
                await getattr(self, "command_{}".format(
                    command.replace("-", "_")))(data, args_string, message)

    async def clear_channel(self, channel):
        current_index = None
        last_index = None
        num_errors = 0

        while current_index != -1:
            if num_errors >= 5:
                break

            try:
                async for message in self.logs_from(channel,
                                                    before=current_index):
                    current_index = message
                    await self.delete_message(message)
            except ServerDisconnectedError:
                try:
                    async for message in self.logs_from(channel,
                                                        before=current_index):
                        current_index = message
                        await self.delete_message(message)
                except Exception:
                    num_errors += 1
                    continue
            except Exception:
                num_errors += 1
                continue

            if last_index == current_index:
                break

            last_index = current_index

    def has_permission(self, user):
        if user.server_permissions.manage_server:
            return True
        elif int(user.id) == int(self.config["owner_id"]):
            return True

        return False

    def has_permission_notes(self, user):
        if user.server_permissions.manage_messages:
            return True
        elif int(user.id) == int(self.config["owner_id"]):
            return True

        return False

    def create_note_embed(self, server, note, index):
        embed = Embed(title="{}: {}".format(note["status"].title(), index),
                      description=note["text"],
                      timestamp=note["submitted"])

        if note["status"] == "open":
            colour = Colour.blue()
        elif note["status"] == "closed":
            colour = Colour.gold()
        else:
            colour = Colour.green()

        embed.colour = colour

        user = server.get_member(note["submitter"]["id"])

        if user:
            embed.set_footer(text=user.name,
                             icon_url=(user.avatar_url
                                       or user.default_avatar_url))
        else:
            embed.set_footer(text=note["submitter"]["name"])

        return embed

    # region Commands

    async def command_eval(self, data, data_string, message):
        if int(message.author.id) != int(self.config["owner_id"]):
            return

        code = data_string.strip(" ")

        if code.startswith("```") and code.endswith("```"):
            if code.startswith("```python"):
                code = code[9:-3]
            elif code.startswith("```py"):
                code = code[5:-3]
            else:
                code = code[3:-3]
        elif code.startswith("`") and code.endswith("`"):
            code = code[1:-1]

        code = code.strip().strip("\n")

        lines = []

        def output(line):
            lines.append(line)

        self.interpreter.set_output(output)

        try:
            rvalue = await self.interpreter.runsource(code, message)
        except Exception as e:
            await self.send_message(
                message.channel,
                "**Error**\n ```{}```\n\n**Code** \n```py\n{}\n```".format(
                    e, code))
        else:
            out_message = "**Returned** \n```py\n{}\n```\n\n".format(
                repr(rvalue))

            if lines:
                out_message += "**Output** \n```\n{}\n```\n\n".format(
                    "\n".join(lines))

            out_message += "**Code** \n```py\n{}\n```".format(code)

            await self.send_message(message.channel, out_message)

    async def command_config(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            config = self.data_manager.get_config(message.server)

            md = "__**Current configuration**__\n\n"

            for key, value in config.items():
                md += "**{}**: `{}`\n".format(key, value)

            await self.send_message(
                message.channel, "{}\n\n{}".format(message.author.mention, md))

        elif len(data) < 2:
            config = self.data_manager.get_config(message.server)
            key = data[0].lower()

            if key not in config:
                return await self.send_message(
                    message.channel,
                    "{} Unknown key: `{}`".format(message.author.mention, key))

            await self.send_message(
                message.channel,
                "{} **{}** is set to `{}`\n\n**Info**: {}".format(
                    message.author.mention, key, config[key],
                    CONFIG_KEY_DESCRIPTIONS[key]))
        else:
            config = self.data_manager.get_config(message.server)
            key, value = data[0].lower(), data[1]

            if key == "info_channel":
                return await self.send_message(
                    message.channel,
                    "{} Please use the `setup` command to change the info channel instead."
                    .format(message.author.mention))
            elif key == "notes_channel":
                return await self.send_message(
                    message.channel,
                    "{} Please use the `setup-notes` command to change the notes channel instead."
                    .format(message.author.mention))

            if key not in config:
                return await self.send_message(
                    message.channel,
                    "{} Unknown key: `{}`".format(message.author.mention, key))

            self.data_manager.set_config(message.server, key, value)
            self.data_manager.save_server(message.server.id)

            await self.send_message(
                message.channel,
                "{} **{}** is now set to `{}`".format(message.author.mention,
                                                      key, value))

    async def command_create(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 2:
            return await self.send_message(
                message.channel,
                "{} Usage: `create <section type> \"<section name>\"`".format(
                    message.author.mention))

        section_type, section_name = data[0], data[1]

        if self.data_manager.get_section(message.server, section_name):
            return await self.send_message(
                message.channel,
                "{} A section named `{}` already exists".format(
                    message.author.mention, section_name))

        clazz = self.data_manager.get_section_class(section_type)

        if not clazz:
            return await self.send_message(
                message.channel,
                "{} Unknown section type: `{}`".format(message.author.mention,
                                                       section_type))

        section = clazz(section_name)
        self.data_manager.add_section(message.server, section)
        self.data_manager.save_server(message.server.id)

        await self.send_message(
            message.channel,
            "{} Section created: `{}`\n\nRun the `update` command to wipe the info channel and add it."
            .format(message.author.mention, section_name))

    async def command_help(self, data, data_string, message):
        await self.send_message(
            message.channel, "{}\n\n{}".format(message.author.mention,
                                               HELP_MESSAGE))

    async def command_remove(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel,
                "{} Usage: `remove \"<section name>\"`".format(
                    message.author.mention))

        section_name = data[0]

        if not self.data_manager.get_section(message.server, section_name):
            return await self.send_message(
                message.channel,
                "{} No such section: `{}`\n\nPerhaps you meant to surround the section name with "
                "\"quotes\"?".format(message.author.mention, section_name))

        self.data_manager.remove_section(message.server, section_name)
        self.data_manager.save_server(message.server.id)

        await self.send_message(
            message.channel,
            "{} Section removed: `{}`\n\nRun the `update` command to wipe the info channel and recreate without "
            "it.".format(message.author.mention, section_name))

    async def command_section(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        try:
            section_name, command = data[0], data[1]

            if len(data) > 2:
                data = data[2:]
            else:
                data = []
        except Exception:
            return await self.send_message(
                message.channel,
                content=
                "{} Command usage: `section \"<section name>\" <command> [data ...]`"
                .format(message.author.mention))

        section = self.data_manager.get_section(message.server, section_name)

        if not section:
            return await self.send_message(
                message.channel,
                content="{} No such section: {}".format(
                    message.author.mention, section_name))

        try:
            result = await section.process_command(command, data, data_string,
                                                   self, message)
        except Exception:
            await self.send_message(
                message.channel,
                content=
                "{} There was an error running that command. It's been logged, but feel free "
                "to raise an issue.".format(message.author.mention,
                                            section_name))
            log.exception(
                "Error running section command `{}` for section `{}` on server `{}`"
                .format(command, section_name, message.server.id))
        else:
            return await self.send_message(message.channel,
                                           content="{} {}".format(
                                               message.author.mention, result))

    async def command_setup(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) > 1:
            return await self.send_message(
                message.channel,
                content="{} Usage: `setup <channel ID>`".format(
                    message.author.mention))

        try:
            channel = self.get_channel(str(int(data[0])))
        except Exception:
            return await self.send_message(
                message.channel,
                content="{} Command usage: `setup <channel ID>`".format(
                    message.author.mention))

        if channel not in message.server.channels:
            return await self.send_message(
                message.channel,
                content="{} Unable to find channel for ID `{}`".format(
                    message.author.mention, data[0]))

        self.data_manager.set_channel(message.server, channel)

        await self.send_message(
            message.channel,
            content=
            "{} Info channel set to {}\n\nRun the `update` command to wipe and fill it. Note that you cannot "
            "undo this operation - **all messages in the info channel will be removed**!\n\n**__*MAKE SURE "
            "YOU SELECTED THE CORRECT CHANNEL!*__**".format(
                message.author.mention, channel.mention))

    async def command_show(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        await self.send_message(
            message.channel,
            "{} Just a moment, collecting and uploading data...".format(
                message.author.mention))

        content = """
Rendered Markdown
=================

{}

Command Breakdown
=================

{}
        """

        markdown = []
        commands = []

        sections = self.data_manager.get_sections(message.server)
        chars = self.data_manager.get_server_command_chars(message.server)

        for name, section in sections:
            markdown_set = ["**__{}__**".format(name)]
            command_set = ["add {} \"{}\"".format(section._type, name)]

            if section.get_header():
                command_set.append("header \"{}\" \"{}\"".format(
                    name, section.get_header()))
                markdown_set.append(section.get_header())

            for x in await section.show():
                command_set.append(x)

            for part in await section.render():
                markdown_set.append(part)

            if section.get_footer():
                command_set.append("footer \"{}\" \"{}\"".format(
                    name, section.get_footer()))
                markdown_set.append(section.get_footer())

            commands.append(command_set)
            markdown.append(markdown_set)

            final_markdown = []
            final_commands = []

        for m_set in markdown:
            final_markdown.append("\n\n".join(m_set))

        for c_set in commands:
            final_commands.append("\n\n".join([chars + c for c in c_set]))

        content = content.format(
            "\n\n---\n\n".join(final_markdown),
            "\n\n---\n\n".join(final_commands),
        )

        del markdown, commands
        del final_markdown, final_commands

        await self.send_file(
            message.channel,
            io.BytesIO(content.encode("UTF-8")),
            filename="data.txt",
            content="{} Here's the data you requested.".format(
                message.author.mention))

    async def command_update(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        channel = self.data_manager.get_channel(message.server)

        if not channel:
            return await self.send_message(
                message.channel,
                "{} No info channel has been set for this server. Try the `setup` command!"
                .format(message.author.mention))

        channel = self.get_channel(channel)

        if not channel:
            return await self.send_message(
                message.channel,
                "{} The configured info channel no longer exists. Set another with the `setup` command!"
                .format(message.author.mention))

        await self.clear_channel(channel)

        sections = self.data_manager.get_sections(message.server)

        for name, section in sections:
            await self.send_message(channel, "**__{}__**".format(name))
            await asyncio.sleep(0.2)

            if section.get_header():
                await self.send_message(channel, section.get_header())
                await asyncio.sleep(0.2)

            for part in await section.render():
                await self.send_message(channel, part)
                await asyncio.sleep(0.2)

            if section.get_footer():
                await self.send_message(channel, section.get_footer())
                await asyncio.sleep(0.2)

        await self.send_message(
            message.channel, "{} The info channel has been updated!".format(
                message.author.mention))

    async def command_swap(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 2:
            return await self.send_message(
                message.channel,
                "{} Usage: `swap \"<section name>\" \"<section name>\"`".
                format(message.author.mention))

        left, right = data[0], data[1]

        if not self.data_manager.has_section(message.server, left):
            return await self.send_message(
                message.channel,
                "{} No such section: `{}`\n\nPerhaps you meant to surround the section name with "
                "\"quotes\"?".format(message.author.mention, left))

        if not self.data_manager.has_section(message.server, right):
            return await self.send_message(
                message.channel,
                "{} No such section: `{}`\n\nPerhaps you meant to surround the section name with "
                "\"quotes\"?".format(message.author.mention, right))

        self.data_manager.swap_sections(message.server, left, right)
        self.data_manager.save_server(message.server.id)

        await self.send_message(
            message.channel,
            "{} Sections swapped: `{}` and `{}`\n\nRun the `update` command to wipe the info channel and recreate"
            " with the new layout.".format(message.author.mention, left,
                                           right))

    async def command_header(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 2:
            return await self.send_message(
                message.channel,
                "{} Usage: `header \"<section name>\" \"<data>\"`".format(
                    message.author.mention))

        section_name, header = data[0], data[1]

        if not self.data_manager.get_section(message.server, section_name):
            return await self.send_message(
                message.channel,
                "{} No such section: `{}`\n\nPerhaps you meant to surround the section name with "
                "\"quotes\"?".format(message.author.mention, section_name))

        if len(header) > 2000:
            return await self.send_message(
                message.channel,
                "{} Section header must be less than 2000 characters in length"
            )

        self.data_manager.get_section(message.server,
                                      section_name).set_header(header)

        await self.send_message(
            message.channel,
            "{} Section header updated: `{}`\n\nRun the `update` command to wipe the info channel and recreate with "
            "it.".format(message.author.mention, section_name))

    async def command_footer(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 2:
            return await self.send_message(
                message.channel,
                "{} Usage: `footer \"<section name>\" \"<data>\"`".format(
                    message.author.mention))

        section_name, footer = data[0], data[1]

        if not self.data_manager.get_section(message.server, section_name):
            return await self.send_message(
                message.channel,
                "{} No such section: `{}`\n\nPerhaps you meant to surround the section name with "
                "\"quotes\"?".format(message.author.mention, section_name))

        if len(footer) > 2000:
            return await self.send_message(
                message.channel,
                "{} Section footer must be less than 2000 characters in length"
            )

        self.data_manager.get_section(message.server,
                                      section_name).set_footer(footer)

        await self.send_message(
            message.channel,
            "{} Section footer updated: `{}`\n\nRun the `update` command to wipe the info channel and recreate with "
            "it.".format(message.author.mention, section_name))

    # Notes commands

    async def command_setup_notes(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) > 1:
            return await self.send_message(
                message.channel,
                content="{} Usage: `setup-notes <channel ID>`".format(
                    message.author.mention))

        try:
            channel = self.get_channel(str(int(data[0])))
        except Exception:
            return await self.send_message(
                message.channel,
                content="{} Command usage: `setup-notes <channel ID>`".format(
                    message.author.mention))

        if channel not in message.server.channels:
            return await self.send_message(
                message.channel,
                content="{} Unable to find channel for ID `{}`".format(
                    message.author.mention, data[0]))

        self.data_manager.set_notes_channel(message.server, channel)

        await self.send_message(
            message.channel,
            content=
            "{} Notes channel set to {}\n\nRun the `update-notes` command to wipe and fill it if you're "
            "moving channel (rather than setting up for the first time)".
            format(message.author.mention, channel.mention))

    async def command_update_notes(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        channel = self.data_manager.get_notes_channel(message.server)

        if not channel:
            return await self.send_message(
                message.channel,
                "{} No notes channel has been set for this server. Try the `setup-notes` command!"
                .format(message.author.mention))

        channel = self.get_channel(channel)

        if not channel:
            return await self.send_message(
                message.channel,
                "{} The configured notes channel no longer exists. Set another with the `setup-notes` command!"
                .format(message.author.mention))

        await self.clear_channel(channel)

        notes = self.data_manager.get_notes(message.server)

        for index, note in notes.items():
            sent_message = await self.send_message(
                channel,
                embed=self.create_note_embed(message.server, note, index))

            note["message_id"] = sent_message.id

        await self.send_message(
            message.channel, "{} The notes channel has been updated!".format(
                message.author.mention))

    async def command_note(self, data, data_string, message):
        if not self.has_permission_notes(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel,
                "{} Usage: `note \"<text>\"`".format(message.author.mention))

        text = data[0]

        index, note = self.data_manager.create_note(message.server, message,
                                                    text)
        self.data_manager.save_server(message.server.id)

        channel = self.data_manager.get_notes_channel(message.server)

        if channel:
            sent_message = await self.send_message(
                self.get_channel(channel),
                embed=self.create_note_embed(message.server, note, index))

            note["message_id"] = sent_message.id

            await self.send_message(
                message.channel,
                "{} Note created: `{}`".format(message.author.mention, index))
        else:
            await self.send_message(
                message.channel,
                "{} Note created: `{}`\n\n**Warning**: No notes channel has been set up. Try the `setup-notes` "
                "command!".format(message.author.mention, index))

    async def command_reopen(self, data, data_string, message):
        if not self.has_permission_notes(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "{} Usage: `reopen \"<note number>\"`".format(
                    message.author.mention))

        index = data[0]

        note = self.data_manager.get_note(message.server, index)

        if not note:
            return await self.send_message(
                message.channel,
                "{} Unknown note ID: {}".format(message.author.mention, index))

        if note["status"] == "open":
            return await self.send_message(
                message.channel,
                "{} That note is already open!".format(message.author.mention))

        note["status"] = "open"
        self.data_manager.save_server(message.server.id)

        channel = self.data_manager.get_notes_channel(message.server)

        if channel:
            try:
                note_message = await self.get_message(
                    self.get_channel(channel), note["message_id"])
            except discord.NotFound:
                note_message = None

            if not note_message:
                return await self.send_message(
                    message.channel,
                    "{} Note updated: `{}`\n\n**Warning**: The message containing this note has been deleted. Use the "
                    "`update-notes` command to repopulate the notes channel!".
                    format(message.author.mention, index))

            await self.edit_message(note_message,
                                    embed=self.create_note_embed(
                                        message.server, note, index))

            await self.send_message(
                message.channel,
                "{} Note updated: `{}`".format(message.author.mention, index))
        else:
            await self.send_message(
                message.channel,
                "{} Note updated: `{}`\n\n**Warning**: No notes channel has been set up. Try the `setup-notes` "
                "command!".format(message.author.mention, index))

    async def command_resolve(self, data, data_string, message):
        if not self.has_permission_notes(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel,
                "{} Usage: `resolve \"<note number>\"`".format(
                    message.author.mention))

        index = data[0]

        note = self.data_manager.get_note(message.server, index)

        if not note:
            return await self.send_message(
                message.channel,
                "{} Unknown note ID: {}".format(message.author.mention, index))

        if note["status"] == "resolved":
            return await self.send_message(
                message.channel, "{} That note is already resolved!".format(
                    message.author.mention))

        note["status"] = "resolved"
        self.data_manager.save_server(message.server.id)

        channel = self.data_manager.get_notes_channel(message.server)

        if channel:
            try:
                note_message = await self.get_message(
                    self.get_channel(channel), note["message_id"])
            except discord.NotFound:
                note_message = None

            if not note_message:
                return await self.send_message(
                    message.channel,
                    "{} Note updated: `{}`\n\n**Warning**: The message containing this note has been deleted. Use the "
                    "`update-notes` command to repopulate the notes channel!".
                    format(message.author.mention, index))

            await self.edit_message(note_message,
                                    embed=self.create_note_embed(
                                        message.server, note, index))

            await self.send_message(
                message.channel,
                "{} Note updated: `{}`".format(message.author.mention, index))
        else:
            await self.send_message(
                message.channel,
                "{} Note updated: `{}`\n\n**Warning**: No notes channel has been set up. Try the `setup-notes` "
                "command!".format(message.author.mention, index))

    async def command_close(self, data, data_string, message):
        if not self.has_permission_notes(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "{} Usage: `close \"<note number>\"`".format(
                    message.author.mention))

        index = data[0]

        note = self.data_manager.get_note(message.server, index)

        if not note:
            return await self.send_message(
                message.channel,
                "{} Unknown note ID: {}".format(message.author.mention, index))

        if note["status"] == "closed":
            return await self.send_message(
                message.channel, "{} That note is already closed!".format(
                    message.author.mention))

        note["status"] = "closed"
        self.data_manager.save_server(message.server.id)

        channel = self.data_manager.get_notes_channel(message.server)

        if channel:
            try:
                note_message = await self.get_message(
                    self.get_channel(channel), note["message_id"])
            except discord.NotFound:
                note_message = None

            if not note_message:
                return await self.send_message(
                    message.channel,
                    "{} Note updated: `{}`\n\n**Warning**: The message containing this note has been deleted. Use the "
                    "`update-notes` command to repopulate the notes channel!".
                    format(message.author.mention, index))

            await self.edit_message(note_message,
                                    embed=self.create_note_embed(
                                        message.server, note, index))

            await self.send_message(
                message.channel,
                "{} Note updated: `{}`".format(message.author.mention, index))
        else:
            await self.send_message(
                message.channel,
                "{} Note updated: `{}`\n\n**Warning**: No notes channel has been set up. Try the `setup-notes` "
                "command!".format(message.author.mention, index))

    async def command_note_edit(self, data, data_string, message):
        if not self.has_permission_notes(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 2:
            return await self.send_message(
                message.channel,
                "{} Usage: `note-edit \"<note number>\" \"<text>\"`".format(
                    message.author.mention))

        index, text = data[0], data[1]

        note = self.data_manager.get_note(message.server, index)

        if not note:
            return await self.send_message(
                message.channel,
                "{} Unknown note ID: {}".format(message.author.mention, index))

        if note["submitter"]["id"] != message.author.id:
            if not self.has_permission(message.author):
                return await self.send_message(
                    message.channel,
                    "{} You may not edit another user's note!".format(
                        message.author.mention))

        note["text"] = text
        self.data_manager.save_server(message.server.id)

        channel = self.data_manager.get_notes_channel(message.server)

        if channel:
            try:
                note_message = await self.get_message(
                    self.get_channel(channel), note["message_id"])
            except discord.NotFound:
                note_message = None

            if not note_message:
                return await self.send_message(
                    message.channel,
                    "{} Note updated: `{}`\n\n**Warning**: The message containing this note has been deleted. Use "
                    "the `update-notes` command to repopulate the notes channel!"
                    .format(message.author.mention, index))

            await self.edit_message(note_message,
                                    embed=self.create_note_embed(
                                        message.server, note, index))

            await self.send_message(
                message.channel,
                "{} Note updated: `{}`".format(message.author.mention, index))
        else:
            await self.send_message(
                message.channel,
                "{} Note updated: `{}`\n\n**Warning**: No notes channel has been set up. Try the `setup-notes` "
                "command!".format(message.author.mention, index))

    async def command_note_delete(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel,
                "{} Usage: `note-delete \"<note number>\"`".format(
                    message.author.mention))

        index = data[0]

        note = self.data_manager.get_note(message.server, index)

        if not note:
            return await self.send_message(
                message.channel,
                "{} Unknown note ID: {}".format(message.author.mention, index))

        self.data_manager.delete_note(message.server, index)
        self.data_manager.save_server(message.server)

        channel = self.data_manager.get_notes_channel(message.server)

        if channel:
            try:
                note_message = await self.get_message(
                    self.get_channel(channel), note["message_id"])
            except discord.NotFound:
                note_message = None

            if note_message:
                await self.delete_message(note_message)

        await self.send_message(
            message.channel,
            "{} Note deleted: `{}`".format(message.author.mention, index))

    # Aliases

    command_add = command_create
    command_delete = command_remove

    # endregion

    pass
Exemple #5
0
class Client(discord.client.Client):
    normal_mention = None
    nick_mention = None

    def __init__(self, *, loop=None, **options):
        super().__init__(loop=loop, **options)

        self.banned_ids = []
        self.webhooks = {}  # {channel_id: webhook_url}

        with open("config.yml", "r") as fh:
            self.config = yaml.safe_load(fh)

        self.data_manager = DataManager()
        self.interpreter = Interpreter(locals(), self)

    def get_token(self):
        return self.config["token"]

    def get_channel_info(self, channel):
        return "`#{}` on `{}`".format(channel.name, channel.server.name)

    def log_to_channel(self, record: logging.LogRecord):
        if not self.config.get("log_channel"):
            return

        channel = self.get_channel(self.config["log_channel"])

        if not channel:
            return

        dt = datetime.datetime.fromtimestamp(record.created)

        description = record.msg

        if record.exc_info:
            description += "\n\n```{}```".format("\n".join(
                traceback.format_exception(*record.exc_info)))

        embed = Embed(title="{} / {}".format(record.name, record.levelname),
                      description=description)

        if record.levelno in LOG_COLOURS:
            embed.colour = LOG_COLOURS[record.levelno]

        embed.set_footer(text=dt.strftime("%B %d %Y, %H:%M:%S"))

        async def inner():
            await self.send_message(channel, embed=embed)

        self.loop.call_soon_threadsafe(asyncio. async, inner())

    async def close(self):
        log.info("Shutting down...")
        self.data_manager.save()
        await discord.client.Client.close(self)

    def channels_updated(self, server):
        self.data_manager.save_server(server.id)

    async def on_ready(self):
        log.info("Setting up...")
        self.data_manager.load()

        self.normal_mention = "<@{}>".format(self.user.id)
        self.nick_mention = "<@!{}>".format(self.user.id)

        for server in self.servers:
            self.data_manager.add_server(server.id)

        log.debug("Getting webhooks...")
        for channel_id, targets in list(self.data_manager.channels.items()):
            hooks = 0

            if channel_id not in self.webhooks:
                try:
                    h = await self.ensure_relay_hook(channel_id)
                except Exception:
                    log.exception(
                        "Unable to get webhook for channel: `{}`".format(
                            channel_id))
                    self.data_manager.remove_targets(channel_id)
                    self.data_manager.save()
                    continue

                if h is None:  # Doesn't exist
                    log.debug(
                        "Channel {} no longer exists.".format(channel_id))
                    self.data_manager.remove_targets(channel_id)
                    self.data_manager.save()
                    continue
                elif h is False:  # No permission
                    await self.send_message(
                        self.get_channel(channel_id),
                        "**Error**: I do not have permission to manage webhooks on this channel.\n\n"
                        "As I require this permission to function, I have entirely unlinked this channel. Please link "
                        "it again when this is fixed.")
                    self.data_manager.remove_targets(channel_id)
                    self.data_manager.save()
                    continue
                else:
                    self.webhooks[channel_id] = h
                    hooks += 1

            log.debug("Got {} webhooks for channel `{}`".format(
                hooks, channel_id))

        log.info("Ready!")

    async def on_server_join(self, server):
        self.data_manager.add_server(server.id)

        for message in WELCOME_MESSAGE:
            await self.send_message(server.default_channel, content=message)

    async def on_message(self, message):
        if message.server is None:
            return  # DM

        if message.author.id == self.user.id:
            return

        if str(message.author.discriminator) == "0000":
            return

        logger = logging.getLogger(message.server.name)

        user = "******".format(message.author.name,
                              message.author.discriminator)

        for line in message.content.split("\n"):
            logger.debug("#{} / {} {}".format(message.channel.name, user,
                                              line))

        chars = self.data_manager.get_server_command_chars(message.server)
        text = None

        if message.content.startswith(chars):  # It's a command
            text = message.content[len(chars):].strip()
        elif message.content.startswith(self.normal_mention):
            text = message.content[len(self.normal_mention):].strip()
        elif message.content.startswith(self.nick_mention):
            text = message.content[len(self.nick_mention):].strip()

        if text:
            if " " in text:
                command, args = text.split(" ", 1)
            else:
                command = text
                args = ""

            args_string = args
            args = shlex.split(args)

            if len(args) > 0:
                data = args[0:]
            else:
                data = []

            log.debug("Command: {}".format(repr(command)))
            log.debug("Args: {}".format(repr(args)))
            log.debug("Args string: {}".format(repr(args_string)))
            log.debug("Data: {}".format(repr(data)))

            if hasattr(self, "command_{}".format(command.replace("-", "_"))):
                try:
                    await getattr(
                        self,
                        "command_{}".format(command.replace("-",
                                                            "_")))(data,
                                                                   args_string,
                                                                   message)
                except Exception:
                    log.exception("Error running command: {}".format(command))
        else:  # We should relay this
            await self.do_relay(message)

    def has_permission(self, user):
        if user.server_permissions.manage_server:
            return True
        if int(user.id) == int(self.config["owner_id"]):
            return True

        return False

    async def do_relay(self, message):
        targets = self.data_manager.get_all_targets(message.channel)
        prefixed = self.data_manager.get_prefixes(message.channel)

        content = message.content
        lower_content = content.lower()

        for prefix, target in prefixed.items():
            if lower_content.startswith(prefix):
                targets.add(target)
                content = content[len(prefix):]
                break

        del lower_content

        avatar = message.author.avatar_url

        for channel_id in targets:
            if channel_id == message.channel.id:
                continue

            hook = self.webhooks.get(channel_id, None)

            if hook is None:
                h = await self.ensure_relay_hook(channel_id)

                if h:
                    self.webhooks[channel_id] = h

                hook = self.webhooks.get(channel_id, None)

            if hook is None:
                await self.send_message(
                    message.channel,
                    "Webhook for channel `{}` is missing - unlinking channel entirely"
                    .format(channel_id))
                self.data_manager.unlink_all(channel_id)
                self.data_manager.save()
            else:
                try:
                    if content:
                        await self.execute_webhook(
                            hook["id"],
                            hook["token"],
                            wait=True,
                            content=content,
                            username=message.author.display_name,
                            avatar_url=avatar if avatar else None,
                            embeds=message.embeds)
                    elif message.embeds:
                        await self.execute_webhook(
                            hook["id"],
                            hook["token"],
                            wait=True,
                            username=message.author.display_name,
                            avatar_url=avatar if avatar else None,
                            embeds=message.embeds)

                    if message.attachments:
                        lines = ["__**Attachments**__\n"]

                        for attachment in message.attachments:
                            lines.append("**{}**: {}".format(
                                attachment["filename"], attachment["url"]))

                        for split_line in line_splitter(lines, 2000):
                            await self.execute_webhook(
                                hook["id"],
                                hook["token"],
                                wait=True,
                                content=split_line,
                                username=message.author.display_name,
                                avatar_url=avatar if avatar else None)
                except Exception as e:
                    await self.send_message(
                        message.channel,
                        "Error executing webhook for channel `{}` - unlinking channel\n\n```{}```"
                        .format(channel_id, e))
                    self.data_manager.remove_targets(channel_id)
                    self.data_manager.save()
                    raise

    # region Commands

    async def command_config(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            config = self.data_manager.get_config(message.server)

            md = "__**Current configuration**__\n\n"

            for key, value in config.items():
                md += "**{}**: `{}`\n".format(key, value)

            await self.send_message(
                message.channel, "{}\n\n{}".format(message.author.mention, md))

        elif len(data) < 2:
            config = self.data_manager.get_config(message.server)
            key = data[0].lower()

            if key not in config:
                return await self.send_message(
                    message.channel,
                    "{} Unknown key: `{}`".format(message.author.mention, key))

            await self.send_message(
                message.channel,
                "{} **{}** is set to `{}`\n\n**Info**: {}".format(
                    message.author.mention, key, config[key],
                    CONFIG_KEY_DESCRIPTIONS[key]))
        else:
            config = self.data_manager.get_config(message.server)
            key, value = data[0].lower(), data[1]

            if key not in config:
                return await self.send_message(
                    message.channel,
                    "{} Unknown key: `{}`".format(message.author.mention, key))

            self.data_manager.set_config(message.server, key, value)
            self.data_manager.save_server(message.server.id)

            await self.send_message(
                message.channel,
                "{} **{}** is now set to `{}`".format(message.author.mention,
                                                      key, value))

    async def command_eval(self, data, data_string, message):
        if int(message.author.id) != int(self.config["owner_id"]):
            return

        code = data_string.strip(" ")

        if code.startswith("```") and code.endswith("```"):
            if code.startswith("```python"):
                code = code[9:-3]
            elif code.startswith("```py"):
                code = code[5:-3]
            else:
                code = code[3:-3]
        elif code.startswith("`") and code.endswith("`"):
            code = code[1:-1]

        code = code.strip().strip("\n")

        lines = []

        def output(line):
            lines.append(line)

        self.interpreter.set_output(output)

        try:
            rvalue = await self.interpreter.runsource(code, message)
        except Exception as e:
            await self.send_message(
                message.channel,
                "**Error**\n ```{}```\n\n**Code** \n```py\n{}\n```".format(
                    e, code))
        else:
            out_message = "**Returned** \n```py\n{}\n```\n\n".format(
                repr(rvalue))

            if lines:
                out_message += "**Output** \n```\n{}\n```\n\n".format(
                    "\n".join(lines))

            out_message += "**Code** \n```py\n{}\n```".format(code)

            await self.send_message(message.channel, out_message)

    async def command_help(self, data, data_string, message):
        await self.send_message(
            message.channel, "{} {}".format(message.author.mention,
                                            HELP_MESSAGE))

    async def command_link(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "Usage: `link <channel ID> [channel ID]`")

        await self.send_typing(message.channel)

        if len(data) < 2:
            left = message.channel
            right = data[0]
        else:
            left, right = data[0], data[1]

            try:
                int(left)
                left = self.get_channel(left)
            except Exception:
                return await self.send_message(
                    message.channel, "Invalid channel ID: `{}`".format(left))

        try:
            int(right)
            right = self.get_channel(right)
        except Exception:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right))

        left_member = left.server.get_member(message.author.id)
        right_member = right.server.get_member(message.author.id)

        if left_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(left.id))
        elif right_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right.id))

        if left.id == right.id:
            return await self.send_message(
                message.channel, "You may not link a channel to itself!")

        if self.data_manager.has_target(left, right):
            return await self.send_message(
                message.channel, "These channels are already linked!")

        if left_member.server_permissions.manage_server and right_member.server_permissions.manage_server:
            try:
                h = await self.ensure_relay_hook(left)

                if not h:
                    await self.send_message(
                        message.channel,
                        "Unable to set up webhook for {}: I don't have the Manage Webhooks "
                        "permission.".format(self.get_channel_info(left)))
                self.webhooks[left.id] = h
            except Exception as e:
                await self.send_message(
                    message.channel,
                    "Unable to set up webhook for channel {}: `{}`".format(
                        self.get_channel_info(left), e))

                raise

            try:
                h = await self.ensure_relay_hook(right)

                if not h:
                    return await self.send_message(
                        message.channel,
                        "Unable to set up webhook for {}: I don't have the Manage Webhooks "
                        "permission.".format(self.get_channel_info(right)))

                self.webhooks[right.id] = h
            except Exception as e:
                return await self.send_message(
                    message.channel,
                    "Unable to set up webhook for {}: `{}`".format(
                        self.get_channel_info(right), e))
            self.data_manager.add_target(left, right)
            self.data_manager.save()

            await self.send_message(message.channel,
                                    "Channels linked successfully.")

            if left.id != message.channel.id:
                await self.send_message(
                    left, "This channel has been linked to {} by {}.".format(
                        self.get_channel_info(right), message.author.mention))

            if right.id != message.channel.id:
                await self.send_message(
                    right, "This channel has been linked to {} by {}.".format(
                        self.get_channel_info(left), message.author.mention))
        else:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to both channels"
            )

    async def command_relay(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "Usage: `relay <origin[|target]> [target]`")

        await self.send_typing(message.channel)

        if len(data) < 2:
            left = message.channel
            right = data[0]
        else:
            left, right = data[0], data[1]

            try:
                int(left)
                left = self.get_channel(left)
            except Exception:
                return await self.send_message(
                    message.channel, "Invalid channel ID: `{}`".format(left))

        try:
            int(right)
            right = self.get_channel(right)
        except Exception:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right))

        left_member = left.server.get_member(message.author.id)
        right_member = right.server.get_member(message.author.id)

        if left_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(left.id))
        elif right_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right.id))

        if left.id == right.id:
            return await self.send_message(
                message.channel, "You may not relay a channel to itself!")

        if self.data_manager.has_relay(left, right):
            return await self.send_message(
                message.channel,
                "These channels are already relayed in that direction!")

        if left_member.server_permissions.manage_server and right_member.server_permissions.manage_server:
            try:
                h = await self.ensure_relay_hook(right)

                if not h:
                    return await self.send_message(
                        message.channel,
                        "Unable to set up webhook for {}: I don't have the Manage Webhooks "
                        "permission.".format(self.get_channel_info(right)))

                self.webhooks[right.id] = h
            except Exception as e:
                return await self.send_message(
                    message.channel,
                    "Unable to set up webhook for {}: `{}`".format(
                        self.get_channel_info(right), e))
            self.data_manager.add_relay(left, right)
            self.data_manager.save()

            await self.send_message(message.channel,
                                    "Channels set to relay successfully.")

            if left.id != message.channel.id:
                await self.send_message(
                    left,
                    "This channel has been set to relay to {} by {}.".format(
                        self.get_channel_info(right), message.author.mention))

            if right.id != message.channel.id:
                await self.send_message(
                    right,
                    "This channel has been set to relay to {} by {}.".format(
                        self.get_channel_info(left), message.author.mention))
        else:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to both channels"
            )

    async def command_unrelay(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "Usage: `unrelay <origin[|target]> [target]`")

        await self.send_typing(message.channel)

        if len(data) < 2:
            left = message.channel
            right = data[0]
        else:
            left, right = data[0], data[1]

            try:
                int(left)
                left = self.get_channel(left)
            except Exception:
                return await self.send_message(
                    message.channel, "Invalid channel ID: `{}`".format(left))

        try:
            int(right)
            right = self.get_channel(right)
        except Exception:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right))

        left_member = left.server.get_member(message.author.id)
        right_member = right.server.get_member(message.author.id)

        if left_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(left.id))
        elif right_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right.id))

        if left_member.server_permissions.manage_server or right_member.server_permissions.manage_server:
            if self.data_manager.has_relay(left, right):
                self.data_manager.remove_relay(left, right)
                self.data_manager.save()

                await self.send_message(message.channel,
                                        "Channel relay removed successfully.")

                if left.id != message.channel.id:
                    await self.send_message(
                        left,
                        "This channel is no longer relayed to {} - action by {}."
                        .format(self.get_channel_info(right),
                                message.author.mention))
            else:
                return await self.send_message(
                    message.channel, "These channels are not relayed.")
        else:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to at least one of those "
                "channels.")

    async def command_group(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "Usage: `group <group> [channel ID]`")

        await self.send_typing(message.channel)

        if len(data) < 2:
            channel = message.channel
            group = data[0]
        else:
            group, channel = data[0], data[1]

            try:
                int(channel)
                channel = self.get_channel(channel)
            except Exception:
                return await self.send_message(
                    message.channel,
                    "Invalid channel ID: `{}`".format(channel))

        left_member = channel.server.get_member(message.author.id)

        if left_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(channel.id))

        if not left_member.server_permissions.manage_server:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to every channel in "
                "the group.")

        for grouped_channel in self.data_manager.get_channels_for_group(group):
            c = self.get_channel(grouped_channel)

            if not c:
                continue

            c_member = c.server.get_member(message.author.id)

            if c_member is None or not c_member.server_permissions.manage_server:
                return await self.send_message(
                    message.channel,
                    "Permission denied - you must have `Manage Server` on the server belonging to every channel in "
                    "the group.")

        if self.data_manager.is_grouped_channel(group, channel):
            return await self.send_message(
                message.channel,
                "This channel is already in the `{}` group.".format(group))

        try:
            h = await self.ensure_relay_hook(channel)

            if not h:
                return await self.send_message(
                    message.channel,
                    "Unable to set up webhook for {}: I don't have the Manage Webhooks "
                    "permission.".format(self.get_channel_info(channel)))

            self.webhooks[channel.id] = h
        except Exception as e:
            return await self.send_message(
                message.channel,
                "Unable to set up webhook for {}: `{}`".format(
                    self.get_channel_info(channel), e))

        self.data_manager.group_channel(group, channel)
        self.data_manager.save()

        await self.send_message(
            message.channel,
            "Channel added to the `{}` group successfully.".format(group))

        if channel.id != message.channel.id:
            await self.send_message(
                channel,
                "This channel has been added to the relay group `{}` by {}.".
                format(group, message.author.mention))

        for grouped_channel in self.data_manager.get_channels_for_group(group):
            if grouped_channel == message.channel.id:
                continue

            c = self.get_channel(grouped_channel)

            if not c:
                continue

            await self.send_message(
                c,
                "This channel is now being relayed to {} via the relay group `{}` at the request of {}"
                .format(self.get_channel_info(channel), group,
                        message.author.mention))

    async def command_ungroup(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "Usage: `ungroup <group> [channel ID]`")

        await self.send_typing(message.channel)

        if len(data) < 2:
            channel = message.channel
            group = data[0]
        else:
            group, channel = data[0], data[1]

            try:
                int(channel)
                channel = self.get_channel(channel)
            except Exception:
                return await self.send_message(
                    message.channel,
                    "Invalid channel ID: `{}`".format(channel))

        left_member = channel.server.get_member(message.author.id)

        if left_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(channel.id))

        if not left_member.server_permissions.manage_server:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the channel you wish to ungroup."
            )

        if not self.data_manager.is_grouped_channel(group, channel):
            return await self.send_message(
                message.channel,
                "This channel is not in the `{}` group.".format(group))

        self.data_manager.ungroup_channel(group, channel)
        self.data_manager.save()

        await self.send_message(
            message.channel,
            "Channel removed from the `{}` group successfully.".format(group))

        if channel.id != message.channel.id:
            await self.send_message(
                channel,
                "This channel has been removed from the relay group `{}` by {}."
                .format(group, message.author.mention))

        for grouped_channel in self.data_manager.get_channels_for_group(group):
            if grouped_channel == message.channel.id:
                continue

            c = self.get_channel(grouped_channel)

            if not c:
                continue

            await self.send_message(
                c,
                "This channel is no longer being relayed to {} via the relay group `{}` at the request of {}."
                .format(self.get_channel_info(channel), group,
                        message.author.mention))

    async def command_prefix(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 2:
            return await self.send_message(
                message.channel,
                "Usage: `prefix <origin[|target]> <prefix> [target]`")

        await self.send_typing(message.channel)

        if len(data) < 3:
            left = message.channel
            right, prefix = data[0], data[1]
        else:
            left, prefix, right = data[0], data[1], data[2]

            try:
                int(left)
                left = self.get_channel(left)
            except Exception:
                return await self.send_message(
                    message.channel, "Invalid channel ID: `{}`".format(left))

        try:
            int(right)
            right = self.get_channel(right)
        except Exception:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right))

        left_member = left.server.get_member(message.author.id)
        right_member = right.server.get_member(message.author.id)

        if left_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(left.id))
        elif right_member is None:
            return await self.send_message(
                message.channel, "Invalid channel ID: `{}`".format(right.id))

        if left.id == right.id:
            return await self.send_message(
                message.channel, "You may not relay a channel to itself!")

        if self.data_manager.has_specific_prefix(left, right, prefix):
            return await self.send_message(
                message.channel,
                "These channels are already relayed using that prefix!")

        if left_member.server_permissions.manage_server and right_member.server_permissions.manage_server:
            try:
                h = await self.ensure_relay_hook(right)

                if not h:
                    return await self.send_message(
                        message.channel,
                        "Unable to set up webhook for {}: I don't have the Manage Webhooks "
                        "permission.".format(self.get_channel_info(right)))

                self.webhooks[right.id] = h
            except Exception as e:
                return await self.send_message(
                    message.channel,
                    "Unable to set up webhook for {}: `{}`".format(
                        self.get_channel_info(right), e))
            self.data_manager.set_prefix(left, right, prefix)
            self.data_manager.save()

            await self.send_message(
                message.channel,
                "Channels set to relay using a prefix successfully.")

            if left.id != message.channel.id:
                await self.send_message(
                    left,
                    "This channel has been set to relay to {} by {} using the prefix `{}`."
                    .format(self.get_channel_info(right),
                            message.author.mention, prefix))

            if right.id != message.channel.id:
                await self.send_message(
                    right,
                    "This channel has been set to be relayed to from {} by {} using the prefix `{}`."
                    .format(self.get_channel_info(left),
                            message.author.mention, prefix))
        else:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to both channels"
            )

    async def command_unprefix(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "Usage: `unrelay <origin[|prefix]> [prefix]`")

        await self.send_typing(message.channel)

        if len(data) < 2:
            left = message.channel
            prefix = data[0]
        else:
            left, prefix = data[0], data[1]

            try:
                int(left)
                left = self.get_channel(left)
            except Exception:
                return await self.send_message(
                    message.channel, "Invalid channel ID: `{}`".format(left))

        if not self.data_manager.has_prefix(left, prefix):
            return await self.send_message(
                message.channel,
                "No channel is linked using prefix `{}`".format(prefix))

        right = self.get_channel(
            self.data_manager.get_prefixed_target(left, prefix))

        left_member = left.server.get_member(message.author.id)
        right_member = right.server.get_member(message.author.id)

        if left_member is None and right_member is None:
            return await self.send_message(
                message.channel,
                "You must be on the server belonging to at least one of the channels."
            )

        if left_member.server_permissions.manage_server or right_member.server_permissions.manage_server:
            if self.data_manager.has_specific_prefix(left, right, prefix):
                self.data_manager.remove_prefix(left, prefix)
                self.data_manager.save()

                await self.send_message(
                    message.channel, "Prefixed relay removed successfully.")

                if left.id != message.channel.id:
                    await self.send_message(
                        left,
                        "This channel is no longer relayed to {} by prefix - action by {}."
                        .format(self.get_channel_info(right),
                                message.author.mention))
            else:
                return await self.send_message(
                    message.channel,
                    "These channels are not relayed by prefix.")
        else:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to at least one of those "
                "channels.")

    async def command_links(self, data, data_string, message):
        links = self.data_manager.get_targets(message.channel)
        relays = self.data_manager.get_relays(message.channel)
        groups = self.data_manager.find_groups(message.channel)
        prefixes = self.data_manager.get_prefixes(message.channel)

        lines = []

        if not links and not relays and not groups:
            return await self.send_message(
                message.channel,
                "This channel is not linked to any others in any way.")

        if links:
            lines.append("**Two-way linked channels**")

            for target in links:
                channel = self.get_channel(target)

                if not channel:
                    lines.append("• {}".format(target))
                else:
                    lines.append("• {}".format(self.get_channel_info(channel)))
        else:
            lines.append("**No two-way linked channels**")
        lines.append("")

        if relays:
            lines.append("**One-way relay channels**")

            for target in relays:
                channel = self.get_channel(target)

                if not channel:
                    lines.append("• {}".format(target))
                else:
                    lines.append("• {}".format(self.get_channel_info(channel)))
        else:
            lines.append("**No one-way relay channels**")
        lines.append("")

        if groups:
            lines.append("**Channel groups**")

            for group in groups:
                channels = self.data_manager.get_channels_for_group(group)

                if channels:
                    lines.append("_Group: `{}`_".format(group))

                    for target in channels:
                        if target == message.channel.id:
                            continue

                        channel = self.get_channel(target)

                        if not channel:
                            lines.append("• {}".format(target))
                        else:
                            lines.append("• {}".format(
                                self.get_channel_info(channel)))
                else:
                    lines.append("_Group: `{}`_ - No other channels in group")
        else:
            lines.append("**No grouped channels**")

        if prefixes:
            lines.append("**Prefix links**")

            for prefix, target in prefixes.items():
                channel = self.get_channel(target)

                if not channel:
                    lines.append("• `{}` -> {}".format(prefix, target))
                else:
                    lines.append("• `{}` -> {}".format(
                        prefix, self.get_channel_info(channel)))
        else:
            lines.append("**No channels linked by prefix**")

        for line in line_splitter(lines, 2000):
            await self.send_message(message.channel, line)

    async def command_unlink(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(
                message.channel, "Usage: `unlink <channel ID> [channel ID]`")

        await self.send_typing(message.channel)

        if len(data) < 2:
            left = message.channel
            right = data[0]
        else:
            left, right = data[0], data[1]

            try:
                int(left)
                left = self.get_channel(left)
            except Exception:
                return await self.send_message(
                    "Invalid channel ID: `{}`".format(left))

        try:
            int(right)
            right = self.get_channel(right)
        except Exception:
            return await self.send_message(
                "Invalid channel ID: `{}`".format(right))

        left_member = left.server.get_member(message.author.id)
        right_member = right.server.get_member(message.author.id)

        if left_member is None:
            return await self.send_message("Invalid channel ID: `{}`".format(
                left.id))
        elif right_member is None:
            return await self.send_message("Invalid channel ID: `{}`".format(
                right.id))

        if left_member.server_permissions.manage_server or right_member.server_permissions.manage_server:
            if self.data_manager.has_target(left, right):
                self.data_manager.remove_target(left, right)
                self.data_manager.save()

                await self.send_message(message.channel,
                                        "Channels unlinked successfully.")

                if left.id != message.channel.id:
                    await self.send_message(
                        left,
                        "This channel has been unlinked from {} by {}.".format(
                            self.get_channel_info(right),
                            message.author.mention))

                if right.id != message.channel.id:
                    await self.send_message(
                        right,
                        "This channel has been unlinked from {} by {}.".format(
                            self.get_channel_info(left),
                            message.author.mention))
            else:
                return await self.send_message(
                    message.channel, "These channels are not linked.")
        else:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to at least one of those "
                "channels.")

    async def command_unlink_all(self, data, data_string, message):
        if not self.has_permission(message.author):
            return log.debug("Permission denied")  # No perms

        if len(data) < 1:
            return await self.send_message(message.channel,
                                           "Usage: `unlink-all <channel ID>`")

        await self.send_typing(message.channel)

        channel = data[0]

        try:
            int(data[0])
            channel = self.get_channel(data[0])
        except Exception:
            return await self.send_message(
                message.channel, "Invalid channel ID: {}".format(channel))

        if not channel.server.get_member(
                message.author.id).server_permissions.manage_server:
            return await self.send_message(
                message.channel,
                "Permission denied - you must have `Manage Server` on the server belonging to that channel."
            )

        targets = self.data_manager.get_all_targets(channel).copy()

        if message.channel.id in targets:
            targets.remove(message.channel.id)

        if not targets:
            return await self.send_message(
                message.channel, "This channel is not linked to any others.")

        self.data_manager.unlink_all(channel)
        self.data_manager.save()

        await self.send_message(message.channel,
                                "Notifying linked channels of removal...")
        await self.send_typing(message.channel)

        for target in targets:
            other = self.get_channel(target)

            if not other:
                continue

            await self.send_message(
                other,
                "This channel has been unlinked from {} by {} (`{}#{}`).".
                format(self.get_channel_info(channel), message.author.mention,
                       message.author.name, message.author.discriminator))

        await self.send_message(message.channel,
                                "Channels unlinked successfully.")

    # endregion

    # region: Webhook management methods

    async def ensure_relay_hook(self, channel):
        if isinstance(channel, str):
            channel = self.get_channel(channel)

        if not channel:
            return None

        ourselves = channel.server.get_member(self.user.id)

        if not channel.permissions_for(ourselves).manage_webhooks:
            if not ourselves.server_permissions.manage_webhooks:
                return False

        hooks = await self.get_channel_webhooks(channel)

        for h in hooks:
            if h["name"] == "_relay":
                return h

        return await self.create_webhook(channel, name="_relay",
                                         avatar=None)  # TODO: Avatar

    # endregion

    # region: Webhook HTTP methods

    async def create_webhook(self, channel, name=None, avatar=None) -> Dict:
        if isinstance(channel, Channel):
            channel = channel.id

        r = Route("POST",
                  "/channels/{channel_id}/webhooks".format(channel_id=channel))

        payload = {}

        if name:
            payload["name"] = name

        if avatar:
            payload["avatar"] = avatar

        if not payload:
            raise KeyError("Must include either `name`, `avatar`, or both")

        data = await self.http.request(r, json=payload)
        log.debug("Create Webhook [{}, {}, {}] -> {}".format(
            channel, name, avatar, data))
        return data

    async def get_channel_webhooks(self, channel) -> List[Dict]:
        if isinstance(channel, Channel):
            channel = channel.id

        r = Route("GET",
                  "/channels/{channel_id}/webhooks".format(channel_id=channel))
        return await self.http.request(r)

    async def get_guild_webhooks(self, guild) -> List[Dict]:
        if isinstance(guild, Server):
            guild = guild.id

        r = Route("GET", "/guilds/{guild_id}/webhooks".format(guild_id=guild))
        return await self.http.request(r)

    async def get_webhook(self, webhook_id, webhook_token) -> Dict:
        if not webhook_token:
            r = Route("GET",
                      "/webhooks/{webhook_id}".format(webhook_id=webhook_id))
        else:
            r = Route(
                "GET", "/webhooks/{webhook_id}/{webhook_token}".format(
                    webhook_id=webhook_id, webhook_token=webhook_token))

        return await self.http.request(r)

    async def modify_webhook(self,
                             webhook_id,
                             webhook_token=None,
                             name=None,
                             avatar=None) -> Dict:
        if not webhook_token:
            r = Route("PATCH",
                      "/webhooks/{webhook_id}".format(webhook_id=webhook_id))
        else:
            r = Route(
                "PATCH", "/webhooks/{webhook_id}/{webhook_token}".format(
                    webhook_id=webhook_id, webhook_token=webhook_token))

        payload = {}

        if name:
            payload["name"] = name

        if avatar:
            payload["avatar"] = avatar

        if not payload:
            raise KeyError("Must include either `name`, `avatar`, or both")

        return await self.http.request(r, json=payload)

    async def delete_webhook(self, webhook_id, webhook_token=None) -> None:
        if not webhook_token:
            r = Route("DELETE",
                      "/webhooks/{webhook_id}".format(webhook_id=webhook_id))
        else:
            r = Route(
                "DELETE", "/webhooks/{webhook_id}/{webhook_token}".format(
                    webhook_id=webhook_id, webhook_token=webhook_token))

        await self.http.request(r)

    async def execute_webhook(self,
                              webhook_id,
                              webhook_token,
                              *,
                              wait=False,
                              content=None,
                              username=None,
                              avatar_url=None,
                              tts=False,
                              file=None,
                              embeds=None) -> None:
        r = Route(
            "POST", "/webhooks/{webhook_id}/{webhook_token}".format(
                webhook_id=webhook_id, webhook_token=webhook_token))

        payload = {
            "content": content,
            "username": username,
            "avatar_url": avatar_url,
            "tts": tts,
            "file": file,
            "embeds": embeds
        }

        for key, value in payload.copy().items():
            if value is None:
                del payload[key]

        found = False

        for key in ["content", "file", "embeds"]:
            if key in payload:
                found = True

        if not found:
            raise KeyError(
                "Must include at least one of `content`, `embeds` or `file`")

        await self.http.request(r,
                                json=payload,
                                params={"wait": str(wait).lower()})

    # endregion

    pass