421 lines
18 KiB
Python
421 lines
18 KiB
Python
import collections, datetime, sys, textwrap, time, typing
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from src import EventManager, IRCBot, IRCChannel, IRCChannels, IRCLine
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from src import IRCObject, IRCSocket, IRCUser, utils
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READ_TIMEOUT_SECONDS = 120
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PING_INTERVAL_SECONDS = 30
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class Server(IRCObject.Object):
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def __init__(self,
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bot: "IRCBot.Bot",
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events: EventManager.Events,
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id: int,
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alias: str,
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connection_params: utils.irc.IRCConnectionParameters):
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self.bot = bot
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self.events = events
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self.id = id
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self.alias = alias
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self.connection_params = connection_params
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self.name = None # type: typing.Optional[str]
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self.version = None # type: typing.Optional[str]
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self.connected = False
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self.reconnected = False
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self.from_init = False
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self.nickname = None # type: typing.Optional[str]
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self.username = None # type: typing.Optional[str]
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self.realname = None # type: typing.Optional[str]
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self.hostname = None # type: typing.Optional[str]
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self.capability_queue = {
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} # type: typing.Dict[str, utils.irc.Capability]
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self.capabilities_requested = {
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} # type: typing.Dict[str, utils.irc.Capability]
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self._capabilities_waiting = set([]) # type: typing.Set[str]
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self.agreed_capabilities = set([]) # type: typing.Set[str]
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self.server_capabilities = {} # type: typing.Dict[str, str]
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self.batches = {} # type: typing.Dict[str, IRCLine.IRCBatch]
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self.users = {} # type: typing.Dict[str, IRCUser.User]
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self.new_users = set([]) #type: typing.Set[IRCUser.User]
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self.channels = IRCChannels.Channels(self, self.bot, self.events)
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self.own_modes = {} # type: typing.Dict[str, typing.Optional[str]]
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self.isupport = {} # type: typing.Dict[str, typing.Optional[str]]
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self.prefix_symbols = collections.OrderedDict(
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(("@", "o"), ("+", "v")))
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self.prefix_modes = collections.OrderedDict(
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(("o", "@"), ("v", "+")))
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self.channel_list_modes = ["b"] # type: typing.List[str]
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self.channel_parametered_modes = ["k"] # type: typing.List[str]
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self.channel_setting_modes = ["l"] # type: typing.List[str]
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self.channel_modes = [
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"n", "i", "m", "t", "p", "s"
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] # type: typing.List[str]
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self.channel_types = ["#"]
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self.case_mapping = "rfc1459"
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self.statusmsg = [] # type: typing.List[str]
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self.motd_lines = [] # type: typing.List[str]
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self.motd_done = False
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self.ping_sent = False
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self.send_enabled = True
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def __repr__(self) -> str:
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return "IRCServer.Server(%s)" % self.__str__()
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def __str__(self) -> str:
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return self.alias
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def fileno(self) -> int:
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return self.socket.fileno()
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def hostmask(self):
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return "%s!%s@%s" % (self.nickname, self.username, self.hostname)
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def connect(self):
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self.socket = IRCSocket.Socket(
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self.bot.log,
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self.get_setting("encoding", "utf8"),
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self.get_setting("fallback-encoding", "iso-8859-1"),
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self.connection_params.hostname,
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self.connection_params.port,
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self.connection_params.bindhost,
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self.connection_params.tls,
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tls_verify=self.get_setting("ssl-verify", True),
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cert=self.bot.config.get("tls-certificate", None),
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key=self.bot.config.get("tls-key", None))
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self.events.on("preprocess.connect").call(server=self)
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self.socket.connect()
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if self.connection_params.password:
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self.send_pass(self.connection_params.password)
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self.send_capibility_ls()
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nickname = self.connection_params.nickname
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username = self.connection_params.username or nickname
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realname = self.connection_params.realname or nickname
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self.send_user(username, realname)
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self.send_nick(nickname)
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def disconnect(self):
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self.socket.disconnect()
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def set_setting(self, setting: str, value: typing.Any):
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self.bot.database.server_settings.set(self.id, setting,
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value)
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def get_setting(self, setting: str, default: typing.Any=None
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) -> typing.Any:
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return self.bot.database.server_settings.get(self.id,
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setting, default)
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def find_settings(self, pattern: str=None, prefix: str=None,
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default: typing.Any=[]) -> typing.List[typing.Any]:
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if not pattern == None:
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return self.bot.database.server_settings.find(self.id, pattern,
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default)
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elif not prefix == None:
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return self.bot.database.server_settings.find_prefix(self.id,
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prefix, default)
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else:
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raise ValueError("Please provide 'pattern' or 'prefix'")
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def del_setting(self, setting: str):
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self.bot.database.server_settings.delete(self.id, setting)
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def get_user_setting(self, nickname: str, setting: str,
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default: typing.Any=None) -> typing.Any:
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user_id = self.get_user_id(nickname)
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return self.bot.database.user_settings.get(user_id, setting, default)
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def set_user_setting(self, nickname: str, setting: str, value: typing.Any):
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user_id = self.get_user_id(nickname)
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self.bot.database.user_settings.set(user_id, setting, value)
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def get_all_user_settings(self, setting: str, default: typing.Any=[]
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) -> typing.List[typing.Any]:
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return self.bot.database.user_settings.find_all_by_setting(
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self.id, setting, default)
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def find_all_user_channel_settings(self, setting: str,
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default: typing.Any=[]) -> typing.List[typing.Any]:
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return self.bot.database.user_channel_settings.find_all_by_setting(
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self.id, setting, default)
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def set_own_nickname(self, nickname: str):
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self.nickname = nickname
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self.nickname_lower = self.irc_lower(nickname)
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def is_own_nickname(self, nickname: str) -> bool:
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if self.nickname == None:
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return False
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return self.irc_equals(nickname, typing.cast(str, self.nickname))
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def add_own_mode(self, mode: str, arg: str=None):
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self.own_modes[mode] = arg
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def remove_own_mode(self, mode: str):
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del self.own_modes[mode]
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def change_own_mode(self, remove: bool, mode: str, arg: str=None):
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if remove:
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self.remove_own_mode(mode)
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else:
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self.add_own_mode(mode, arg)
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def has_user(self, nickname: str) -> bool:
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return self.irc_lower(nickname) in self.users
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def get_user(self, nickname: str, username: typing.Optional[str]=None, hostname: str=None,
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create: bool=True) -> typing.Optional[IRCUser.User]:
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new = False
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if not self.has_user(nickname) and create:
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new = True
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user_id = self.get_user_id(nickname)
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new_user = IRCUser.User(nickname, user_id, self, self.bot)
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self.users[new_user.nickname_lower] = new_user
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self.new_users.add(new_user)
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user = self.users.get(self.irc_lower(nickname), None)
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if user:
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if username is not None:
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user.username = username
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if hostname is not None:
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user.hostname = hostname
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if new:
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self.events.on("new.user").call(user=new_user, server=self)
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return user
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def get_user_id(self, nickname: str) -> int:
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nickname_lower = self.irc_lower(nickname)
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self.bot.database.users.add(self.id, nickname_lower)
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return self.bot.database.users.get_id(self.id, nickname_lower)
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def has_user_id(self, nickname: str) -> bool:
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id = self.bot.database.users.get_id(self.id, self.irc_lower(nickname))
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return not id == None
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def remove_user(self, user: IRCUser.User):
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del self.users[user.nickname_lower]
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for channel in user.channels:
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channel.remove_user(user)
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def is_channel(self, name: str) -> bool:
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return name[0] in self.channel_types
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def get_target(self, name: str
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) -> typing.Optional[
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typing.Union[IRCChannel.Channel, IRCUser.User]]:
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if self.is_channel(name):
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if name in self.channels:
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return self.channels.get(name)
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else:
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return self.get_user(name)
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return None
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def change_user_nickname(self, old_nickname: str, new_nickname: str):
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user = self.users.pop(self.irc_lower(old_nickname))
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user._id = self.get_user_id(new_nickname)
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self.users[self.irc_lower(new_nickname)] = user
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def irc_lower(self, s: str) -> str:
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return utils.irc.lower(self.case_mapping, s)
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def irc_equals(self, s1: str, s2: str) -> bool:
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return utils.irc.equals(self.case_mapping, s1, s2)
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def hostmask_match(self, hostmask: str, pattern: str) -> bool:
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return utils.irc.hostmask_match(self.irc_lower(hostmask),
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self.irc_lower(pattern))
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def _post_read(self, lines: typing.List[str]):
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for line in lines:
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self.bot.log.debug("%s (raw recv) | %s", [str(self), line])
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self.events.on("raw.received").call_unsafe(server=self,
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line=IRCLine.parse_line(line))
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self.check_users()
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def check_users(self):
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for user in self.new_users:
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if not len(user.channels):
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self.remove_user(user)
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self.new_users.clear()
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def until_next_ping(self) -> typing.Optional[float]:
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if self.ping_sent:
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return None
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return max(0, (self.socket.last_read+PING_INTERVAL_SECONDS
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)-time.monotonic())
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def ping_due(self) -> bool:
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return self.until_next_ping() == 0
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def until_read_timeout(self) -> float:
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return max(0, (self.socket.last_read+READ_TIMEOUT_SECONDS
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)-time.monotonic())
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def read_timed_out(self) -> bool:
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return self.until_read_timeout() == 0
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def read(self) -> typing.Optional[typing.List[str]]:
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lines = self.socket.read()
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if lines:
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self.ping_sent = False
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return lines
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def _send(self) -> typing.List[IRCLine.SentLine]:
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lines = self.socket._send()
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for line in lines:
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self.bot.log.debug("%s (raw send) | %s", [
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str(self), line.parsed_line.format()])
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return lines
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def _post_send(self, lines: typing.List[IRCLine.SentLine]):
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for line in lines:
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line.events.on("send").call()
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self.events.on("raw.send").call_unsafe(server=self,
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line=line.parsed_line)
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def send(self, line_parsed: IRCLine.ParsedLine, immediate: bool=False
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) -> typing.Optional[IRCLine.SentLine]:
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if not self.send_enabled:
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return None
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line_events = self.events.new_root()
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self.events.on("preprocess.send").on(line_parsed.command
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).call_unsafe(server=self, line=line_parsed, events=line_events)
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self.events.on("preprocess.send").call_unsafe(server=self,
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line=line_parsed, events=line_events)
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if line_parsed.valid() or line_parsed.assured():
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line = line_parsed.format()
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line_obj = IRCLine.SentLine(line_events, datetime.datetime.utcnow(),
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self.hostmask(), line_parsed)
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self.socket.send(line_obj, immediate=immediate)
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if immediate:
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self.bot.trigger_write()
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return line_obj
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return None
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def send_raw(self, line: str):
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return self.send(IRCLine.parse_line(line))
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def _line(self, command: str,
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unfiltered_args: typing.Sequence[typing.Optional[str]], tags={}):
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args: typing.List[str] = [a for a in unfiltered_args if not a is None]
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return IRCLine.ParsedLine(command, args, tags=tags)
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def send_user(self, username: str, realname: str
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("USER",[username, "0", "*", realname]))
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def send_nick(self, nickname: str) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("NICK", [nickname]))
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def send_capibility_ls(self) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("CAP", ["LS", "302"]))
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def send_capability_queue(self):
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# textwrap works here because in ASCII, all chars are 1 bytes:
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capabilities = list(self.capability_queue.keys())
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capabilities_str = " ".join(capabilities)
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capability_batches = textwrap.wrap(capabilities_str,
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IRCLine.LINE_MAX-len("CAP REQ :"))
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for cap_name in capabilities:
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cap = self.capability_queue[cap_name]
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del self.capability_queue[cap_name]
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self.capabilities_requested[cap_name] = cap
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for capability_batch in capability_batches:
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self.send_capability_request(capability_batch)
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def send_capability_request(self, capabilities: str
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("CAP", ["REQ", capabilities]))
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def send_capability_end(self) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("CAP", ["END"]))
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def send_authenticate(self, text: str) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("AUTHENTICATE", [text]))
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def has_capability(self, capability: utils.irc.Capability) -> bool:
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return bool(self.available_capability(capability))
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def has_capability_str(self, capability: str) -> bool:
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return capability in self.agreed_capabilities
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def available_capability(self, capability: utils.irc.Capability
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) -> typing.Optional[str]:
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return capability.available(self.agreed_capabilities)
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def waiting_for_capabilities(self) -> bool:
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return bool(len(self._capabilities_waiting))
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def wait_for_capability(self, capability: str):
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self._capabilities_waiting.add(capability)
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def capability_done(self, capability: str):
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if capability in self._capabilities_waiting:
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self._capabilities_waiting.discard(capability)
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if not self._capabilities_waiting:
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self.send_capability_end()
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def clear_waiting_capabilities(self):
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self._capabilities_waiting.clear()
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def send_pass(self, password: str) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("PASS", [password]))
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def send_ping(self, token: str="hello"
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("PING", [token]))
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def send_pong(self, token: str) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("PONG", [token]))
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def send_join(self, channel_name: str, keys: typing.List[str]=None
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("JOIN", [channel_name]+(keys or [])))
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def send_joins(self, channel_names: typing.List[str],
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keys: typing.List[str]=None):
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return self.send(self._line("JOIN",
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[",".join(channel_names)]+(keys or [])))
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def send_part(self, channel_name: str, reason: str=None
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("PART", [channel_name, reason]))
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def send_quit(self, reason: str="Leaving"
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("QUIT", [reason]))
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def send_message(self, target: str, message: str, tags: dict={}
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("PRIVMSG", [target, message], tags=tags))
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def send_notice(self, target: str, message: str, tags: dict={}
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("NOTICE", [target, message], tags=tags))
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def send_tagmsg(self, target: str, tags: dict):
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return self.send(self._line("TARGMSG", [], tags=tags))
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def send_mode(self, target: str, mode: str=None, args: typing.List[str]=None
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) -> typing.Optional[IRCLine.SentLine]:
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line_args = [target, mode]
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if args:
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line_args.extend(args)
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return self.send(self._line("MODE", line_args))
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def send_topic(self, channel_name: str, topic: str
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("TOPIC", [channel_name, topic]))
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def send_kick(self, channel_name: str, target: str, reason: str=None
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("KICK", [channel_name, target, reason]))
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def send_names(self, channel_name: str) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("NAMES", [channel_name]))
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def send_list(self, search_for: str=None
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("LIST", [search_for]))
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def send_invite(self, channel_name: str, target: str
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) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("INVITE", [target, channel_name]))
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def send_whois(self, target: str) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("WHOIS", [target]))
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def send_whowas(self, target: str, amount: int=None, server: str=None
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) -> typing.Optional[IRCLine.SentLine]:
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amount_str = str(amount) if not amount == None else None
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return self.send(self._line("WHOWAS", [target, amount_str, server]))
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def send_who(self, filter: str=None) -> typing.Optional[IRCLine.SentLine]:
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return self.send(self._line("WHO", [filter]))
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def send_whox(self, mask: str, filter: str, fields: str, label: str=None
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) -> typing.Optional[IRCLine.SentLine]:
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flags = "%s%%%s%s" % (filter, fields, ","+label if label else "")
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return self.send(self._line("WHO", [mask, flags]))
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