378 lines
16 KiB
Python
378 lines
16 KiB
Python
import collections, datetime, sys, 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.EventHook,
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id: int,
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alias: typing.Optional[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.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 = set([]) # type: typing.Set[str]
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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.requested_capabilities = [] # type: typing.List[str]
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self.server_capabilities = {} # type: typing.Dict[str, str]
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self.batches = {} # type: typing.Dict[str, IRCLine.ParsedLine]
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self.cap_started = False
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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_paramatered_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.motd_lines = [] # type: typing.List[str]
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self.motd_done = False
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self.attempted_join = {} # type: typing.Dict[str, typing.Optional[str]]
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self.ping_sent = False
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self.send_enabled = True
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self.events.on("timer.rejoin").hook(self.try_rejoin)
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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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if self.alias:
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return self.alias
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return "%s:%s%s" % (self.connection_params.hostname,
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"+" if self.connection_params.tls else "",
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self.connection_params.port)
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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.ipv4,
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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.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, default: typing.Any=[]
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) -> typing.List[typing.Any]:
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return self.bot.database.server_settings.find(self.id,
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pattern, default)
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def find_settings_prefix(self, prefix: str, default: typing.Any=[]
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) -> typing.List[typing.Any]:
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return self.bot.database.server_settings.find_prefix(
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self.id, prefix, default)
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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, create: bool=True
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) -> typing.Optional[IRCUser.User]:
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if not self.has_user(nickname) and create:
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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.events.on("new.user").call(user=new_user, server=self)
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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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return self.users.get(self.irc_lower(nickname),
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None)
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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 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 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 name[0] in self.channel_types:
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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 parse_data(self, line: str):
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if not line:
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return
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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, 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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now = datetime.datetime.utcnow()
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self.set_setting("last-read",
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utils.iso8601_format(now, milliseconds=True))
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return lines
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def send(self, line_parsed: IRCLine.ParsedLine):
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if not self.send_enabled:
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return None
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self.events.on("preprocess.send").on(line_parsed.command
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).call_unsafe(server=self, line=line_parsed)
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line = line_parsed.format()
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line_stripped = line.split("\n", 1)[0].strip("\r")
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line_obj = IRCLine.SentLine(datetime.datetime.utcnow(), self.hostmask(),
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line_parsed)
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self.socket.send(line_obj)
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return line_obj
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def send_raw(self, line: str):
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return self.send(utils.irc.parse_line(line))
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def _send(self):
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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", [str(self), line.format()])
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self.events.on("raw.send").call_unsafe(server=self, line=line)
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def send_user(self, username: str, realname: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.user(username, realname))
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def send_nick(self, nickname: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.nick(nickname))
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def send_capibility_ls(self) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.capability_ls())
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def queue_capability(self, capability: str):
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self._capability_queue.add(capability)
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def queue_capabilities(self, capabilities: typing.List[str]):
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self._capability_queue.update(capabilities)
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def send_capability_queue(self):
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if self.has_capability_queue():
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capability_queue = list(self._capability_queue)
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self._capability_queue.clear()
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for i in range(0, len(capability_queue), 10):
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capability_batch = capability_queue[i:i+10]
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self.requested_capabilities += capability_batch
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self.send_capability_request(" ".join(capability_batch))
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def has_capability_queue(self):
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return bool(len(self._capability_queue))
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def send_capability_request(self, capability: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.capability_request(capability))
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def send_capability_end(self) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.capability_end())
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def send_authenticate(self, text: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.authenticate(text))
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def has_capability(self, capability: str) -> bool:
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return capability in 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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self._capabilities_waiting.discard(capability)
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if self.cap_started and not self._capabilities_waiting:
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self.send_capability_end()
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def send_pass(self, password: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.password(password))
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def send_ping(self, nonce: str="hello") -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.ping(nonce))
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def send_pong(self, nonce: str="hello") -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.pong(nonce))
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def try_rejoin(self, event: EventManager.Event):
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if event["server_id"] == self.id and event["channel_name"
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] in self.attempted_join:
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self.send_join(event["channel_name"], [event["key"]])
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def send_join(self, channel_name: str, keys: typing.List[str]=None
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.join(channel_name, keys))
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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(utils.irc.protocol.join(",".join(channel_names),
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keys))
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def send_part(self, channel_name: str, reason: str=None
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.part(channel_name, reason))
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def send_quit(self, reason: str="Leaving") -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.quit(reason))
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def send_message(self, target: str, message: str, tags: dict={}
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.message(target, message, tags))
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def send_notice(self, target: str, message: str, tags: dict={}
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.notice(target, message, tags))
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def send_tagmsg(self, target: str, tags: dict):
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return self.send(utils.irc.protocol.tagmsg(target, tags))
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def send_mode(self, target: str, mode: str=None, args: typing.List[str]=None
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.mode(target, mode, args))
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def send_topic(self, channel_name: str, topic: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.topic(channel_name, topic))
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def send_kick(self, channel_name: str, target: str, reason: str=None
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.kick(channel_name, target, reason))
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def send_names(self, channel_name: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.names(channel_name))
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def send_list(self, search_for: str=None) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.list(search_for))
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def send_invite(self, target: str, channel_name: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.invite(target, channel_name))
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def send_whois(self, target: str) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.whois(target))
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def send_whowas(self, target: str, amount: int=None, server: str=None
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.whowas(target, amount, server))
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def send_who(self, filter: str=None) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.who(filter))
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def send_whox(self, mask: str, filter: str, fields: str, label: str=None
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) -> IRCLine.SentLine:
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return self.send(utils.irc.protocol.whox(mask, filter, fields, label))
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def make_batch(self, identifier: str, batch_type: str,
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tags: typing.Dict[str, str]={}) -> utils.irc.IRCSendBatch:
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return utils.irc.IRCSendBatch(identifier, batch_type, tags)
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def send_batch(self, batch: utils.irc.IRCSendBatch) -> IRCLine.SentLine:
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self.send(utils.irc.protocol.batch_start(batch.id, batch.type,
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batch.tags))
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for line in batch.lines:
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self.send(line)
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return self.send(utils.irc.protocol.batch_end(batch.id))
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