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47 lines
1.6 KiB
47 lines
1.6 KiB
from paircd.client import Client
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from paircd.command_handler import CommandHandler
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from paircd.message import Message
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from paircd.reply import ERR_NICKNAMEINUSE, ERR_NONICKNAMEGIVEN, NICK
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from paircd.server import Server
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class NickHandler(CommandHandler):
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def __init__(self) -> None:
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super().__init__("NICK", 1)
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async def handle(self, server: Server, client: Client, msg: Message) -> None:
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nickname = msg.args[0]
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if nickname == "":
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target = client.nickname if client.nickname else nickname
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client.write_message(ERR_NONICKNAMEGIVEN(target))
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return
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existing_client = server.get_client_by_name(nickname)
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if existing_client is not None:
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if client != existing_client:
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target = client.nickname if client.nickname else nickname
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client.write_message(ERR_NICKNAMEINUSE(target, nickname))
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return
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rename = client.nickname != ""
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old_nick = client.nickname
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old_id = client.id()
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client.nickname = nickname
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if rename:
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server.rename_client(old_nick, nickname)
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else:
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server.add_client(client)
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for channel_name in client.channels:
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channel = server.get_channel_by_name(channel_name, create=False)
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if channel is None:
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continue
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if rename:
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channel.rename_client(old_nick, nickname)
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channel.write_message(NICK(nickname, prefix=old_id))
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else:
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raise RuntimeError("shouldn't be in any channels without a nick")
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client.register()
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