308 lines
12 KiB
Python
308 lines
12 KiB
Python
import collections, socket, ssl, sys, time
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import IRCChannel, IRCLineHandler, IRCUser
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OUR_TLS_PROTOCOL = ssl.PROTOCOL_SSLv23
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if hasattr(ssl, "PROTOCOL_TLS"):
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OUR_TLS_PROTOCOL = ssl.PROTOCOL_TLS
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class Server(object):
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def __init__(self, id, hostname, port, password, ipv4, tls,
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nickname, username, realname, bot):
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self.connected = False
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self.bot = bot
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self.id = id
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self.target_hostname = hostname
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self.port = port
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self.tls = tls
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self.password = password
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self.ipv4 = ipv4
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self.original_nickname = nickname
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self.original_username = username or nickname
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self.original_realname = realname or nickname
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self.write_buffer = b""
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self.read_buffer = b""
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self.users = {}
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self.new_users = set([])
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self.channels = {}
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self.own_modes = {}
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self.mode_prefixes = collections.OrderedDict(
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{"@": "o", "+": "v"})
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self.channel_modes = []
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self.channel_types = []
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self.last_read = None
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self.attempted_join = {}
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self.ping_sent = False
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self.name = None
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if ipv4:
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self.socket = socket.socket(socket.AF_INET,
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socket.SOCK_STREAM)
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else:
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self.socket = socket.socket(socket.AF_INET6,
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socket.SOCK_STREAM)
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self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
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self.socket.settimeout(5.0)
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if self.tls:
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context = ssl.SSLContext(OUR_TLS_PROTOCOL)
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context.options |= ssl.OP_NO_SSLv2
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context.options |= ssl.OP_NO_SSLv3
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context.options |= ssl.OP_NO_TLSv1
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self.socket = context.wrap_socket(self.socket)
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self.cached_fileno = self.socket.fileno()
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self.bot.events.on("timer").on("rejoin").hook(self.try_rejoin)
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def __repr__(self):
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return "%s:%s%s" % (self.target_hostname, "+" if self.tls else "",
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self.port)
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def __str__(self):
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return repr(self)
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def fileno(self):
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fileno = self.socket.fileno()
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return self.cached_fileno if fileno == -1 else fileno
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def connect(self):
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self.socket.connect((self.target_hostname, self.port))
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self.bot.events.on("preprocess.connect").call(server=self)
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if self.password:
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self.send_pass(self.password)
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self.send_user(self.original_username, self.original_realname)
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self.send_nick(self.original_nickname)
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self.connected = True
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def disconnect(self):
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self.connected = False
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try:
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self.socket.shutdown(socket.SHUT_RDWR)
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except:
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pass
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try:
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self.socket.close()
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except:
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pass
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def set_setting(self, setting, value):
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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, default=None):
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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, default=[]):
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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, default=[]):
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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):
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self.bot.database.server_settings.delete(self.id, setting)
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def get_all_user_settings(self, setting, default):
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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 set_own_nickname(self, nickname):
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self.nickname = nickname
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self.nickname_lower = nickname.lower()
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def is_own_nickname(self, nickname):
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return nickname.lower() == self.nickname_lower
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def add_own_mode(self, mode, arg=None):
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self.own_modes[mode] = arg
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def remove_own_mode(self, mode):
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del self.own_modes[mode]
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def has_user(self, nickname):
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return nickname.lower() in self.users
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def get_user(self, nickname):
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if not self.has_user(nickname):
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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.bot.events.on("new").on("user").call(
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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[nickname.lower()]
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def get_user_id(self, nickname):
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self.bot.database.users.add(self.id, nickname)
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return self.bot.database.users.get_id(self.id, nickname)
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def remove_user(self, 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 change_user_nickname(self, old_nickname, new_nickname):
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user = self.users.pop(old_nickname.lower())
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user.id = self.get_user_id(new_nickname)
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self.users[new_nickname.lower()] = user
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def has_channel(self, channel_name):
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return channel_name[0] in self.channel_types and channel_name.lower(
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) in self.channels
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def get_channel(self, channel_name):
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if not self.has_channel(channel_name):
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channel_id = self.get_channel_id(channel_name)
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new_channel = IRCChannel.Channel(channel_name, channel_id,
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self, self.bot)
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self.bot.events.on("new").on("channel").call(
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channel=new_channel, server=self)
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self.channels[new_channel.name] = new_channel
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return self.channels[channel_name.lower()]
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def get_channel_id(self, channel_name):
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self.bot.database.channels.add(self.id, channel_name)
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return self.bot.database.channels.get_id(self.id, channel_name)
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def remove_channel(self, channel):
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for user in channel.users:
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user.part_channel(channel)
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del self.channels[channel.name]
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def parse_line(self, line):
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if not line:
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return
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original_line = line
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prefix, final = None, None
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if line[0] == ":":
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prefix, line = line[1:].split(" ", 1)
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command, line = (line.split(" ", 1) + [""])[:2]
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if line[0] == ":":
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final, line = line[1:], ""
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elif " :" in line:
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line, final = line.split(" :", 1)
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args_split = line.split(" ") if line else []
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if final:
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args_split.append(final)
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IRCLineHandler.handle(original_line, prefix, command, args_split, final!=None, self.bot, self)
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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 read(self):
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data = b""
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try:
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data = self.read_buffer + self.socket.recv(4096)
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except ConnectionResetError:
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self.disconnect()
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return []
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self.read_buffer = b""
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data_lines = [line.strip(b"\r") for line in data.split(b"\n")]
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if data_lines[-1]:
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self.read_buffer = data_lines[-1]
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data_lines.pop(-1)
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decoded_lines = []
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for line in data_lines:
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try:
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line = line.decode(self.get_setting(
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"encoding", "utf8"))
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except:
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try:
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line = line.decode(self.get_setting(
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"fallback-encoding", "latin-1"))
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except:
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continue
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decoded_lines.append(line)
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if not decoded_lines:
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self.disconnect()
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self.last_read = time.time()
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self.ping_sent = False
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return decoded_lines
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def send(self, data):
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encoded = data.split("\n")[0].strip("\r").encode("utf8")
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if len(encoded) > 450:
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encoded = encoded[:450]
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self.write_buffer += encoded + b"\r\n"
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if self.bot.args.verbose:
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print(encoded.decode("utf8"))
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def _send(self):
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self.write_buffer = self.write_buffer[self.socket.send(
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self.write_buffer):]
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def waiting_send(self):
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return bool(len(self.write_buffer))
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def send_user(self, username, realname):
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self.send("USER %s - - :%s" % (username, realname))
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def send_nick(self, nickname):
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self.send("NICK %s" % nickname)
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def send_capability_request(self, capname):
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self.send("CAP REQ :%s" % capname)
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def send_capability_end(self):
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self.send("CAP END")
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def send_authenticate(self, text):
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self.send("AUTHENTICATE %s" % text)
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def send_pass(self, password):
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self.send("PASS %s" % password)
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def send_ping(self, nonce="hello"):
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self.send("PING :%s" % nonce)
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def send_pong(self, nonce="hello"):
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self.send("PONG :%s" % nonce)
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def try_rejoin(self, 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, key=None):
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self.send("JOIN %s%s" % (channel_name,
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"" if key == None else " %s" % key))
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def send_part(self, channel_name, reason=None):
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self.send("PART %s%s" % (channel_name,
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"" if reason == None else " %s" % reason))
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def send_quit(self, reason="Leaving"):
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self.send("QUIT :%s" % reason)
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def send_message(self, target, message, prefix=None):
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full_message = message if not prefix else prefix+message
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self.send("PRIVMSG %s :%s" % (target, full_message))
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action = full_message.startswith("\01ACTION "
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) and full_message.endswith("\01")
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if action:
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message = full_message.split("\01ACTION ", 1)[1][:-1]
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full_message_split = full_message.split()
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if self.has_channel(target):
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channel = self.get_channel(target)
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channel.buffer.add_line(None, message, action, True)
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self.bot.events.on("self").on("message").on("channel").call(
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message=full_message, message_split=full_message_split,
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channel=channel, action=action, server=self)
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else:
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user = self.get_user(target)
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user.buffer.add_line(None, message, action, True)
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self.bot.events.on("self").on("message").on("private").call(
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message=full_message, message_split=full_message_split,
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user=user, action=action, server=self)
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def send_notice(self, target, message):
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self.send("NOTICE %s :%s" % (target, message))
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def send_mode(self, target, mode=None, args=None):
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self.send("MODE %s%s%s" % (target, "" if mode == None else " %s" % mode,
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"" if args == None else " %s" % args))
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def send_topic(self, channel_name, topic):
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self.send("TOPIC %s :%s" % (channel_name, topic))
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def send_kick(self, channel_name, target, reason=None):
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self.send("KICK %s %s%s" % (channel_name, target,
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"" if reason == None else " :%s" % reason))
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def send_names(self, channel_name):
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self.send("NAMES %s" % channel_name)
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def send_list(self, search_for=None):
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self.send(
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"LIST%s" % "" if search_for == None else " %s" % search_for)
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def send_invite(self, target, channel_name):
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self.send("INVITE %s %s" % (target, channel_name))
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def send_whois(self, target):
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self.send("WHOIS %s" % target)
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def send_whowas(self, target, amount=None, server=None):
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self.send("WHOWAS %s%s%s" % (target,
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"" if amount == None else " %s" % amount,
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"" if server == None else " :%s" % server))
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def send_who(self, filter=None):
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self.send("WHO%s" % ("" if filter == None else " %s" % filter))
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