bitbot-3.11-fork/IRCLineHandler.py

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import re, threading
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import Utils
RE_PREFIXES = re.compile(r"\bPREFIX=\((\w+)\)(\W+)(?:\b|$)")
RE_CHANMODES = re.compile(
r"\bCHANMODES=(\w*),(\w*),(\w*),(\w*)(?:\b|$)")
RE_CHANTYPES = re.compile(r"\bCHANTYPES=(\W+)(?:\b|$)")
RE_MODES = re.compile(r"[-+]\w+")
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CAPABILITIES = {"message-tags", "multi-prefix", "chghost", "invite-notify",
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"account-tag", "account-notify", "extended-join"}
class LineHandler(object):
def __init__(self, bot, events):
self.bot = bot
self.events = events
events.on("raw").on("PING").hook(self.ping)
events.on("raw").on("001").hook(self.handle_001, default_event=True)
events.on("raw").on("005").hook(self.handle_005)
events.on("raw").on("311").hook(self.handle_311, default_event=True)
events.on("raw").on("332").hook(self.handle_332)
events.on("raw").on("333").hook(self.handle_333)
events.on("raw").on("353").hook(self.handle_353, default_event=True)
events.on("raw").on("366").hook(self.handle_366, default_event=True)
events.on("raw").on("421").hook(self.handle_421, default_event=True)
events.on("raw").on("352").hook(self.handle_352, default_event=True)
events.on("raw").on("324").hook(self.handle_324, default_event=True)
events.on("raw").on("329").hook(self.handle_329, default_event=True)
events.on("raw").on("433").hook(self.handle_433, default_event=True)
events.on("raw").on("477").hook(self.handle_477, default_event=True)
events.on("raw").on("JOIN").hook(self.join)
events.on("raw").on("PART").hook(self.part)
events.on("raw").on("QUIT").hook(self.quit)
events.on("raw").on("NICK").hook(self.nick)
events.on("raw").on("MODE").hook(self.mode)
events.on("raw").on("KICK").hook(self.kick)
events.on("raw").on("INVITE").hook(self.invite)
events.on("raw").on("TOPIC").hook(self.topic)
events.on("raw").on("PRIVMSG").hook(self.privmsg)
events.on("raw").on("NOTICE").hook(self.notice)
events.on("raw").on("CHGHOST").hook(self.chghost)
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events.on("raw").on("ACCOUNT").hook(self.account)
events.on("raw").on("CAP").hook(self.cap)
events.on("raw").on("authenticate").hook(self.authenticate)
def handle(self, server, line):
original_line = line
tags = {}
prefix = None
command = None
if line[0] == "@":
tags_prefix, line = line[1:].split(" ", 1)
for tag in tags_prefix.split(";"):
if tag:
tag_split = tag.split("=", 1)
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tags[tag_split[0]] = tag_split[1:]
if line[0] == ":":
prefix, command, line = line[1:].split(" ", 2)
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else:
command, line = line.split(" ", 1)
arbitrary = None
if ":" in line:
line, arbitrary = line.split(":", 1)
if line.endswith(" "):
line = line[:-1]
args = line.split(" ")
hooks = self.events.on("raw").on(command).get_hooks()
default_event = False
for hook in hooks:
if hook.kwargs.get("default_event", False):
default_event = True
break
#server, prefix, command, args, arbitrary
self.events.on("raw").on(command).call(server=server,
prefix=prefix, args=args, arbitrary=arbitrary, tags=tags)
if default_event or not hooks:
if command.isdigit():
self.events.on("received").on("numeric").on(command
).call(line=original_line, server=server, tags=tags,
line_split=original_line.split(" "), number=command)
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else:
self.events.on("received").on(command).call(
line=original_line, line_split=original_line.split(" "),
command=command, server=server, tags=tags)
# ping from the server
def ping(self, event):
nonce = event["arbitrary"]
event["server"].send_pong(nonce)
# first numeric line the server sends
def handle_001(self, event):
event["server"].name = Utils.remove_colon(event["prefix"])
event["server"].set_own_nickname(event["args"][0])
event["server"].send_whois(event["server"].nickname)
# server telling us what it supports
def handle_005(self, event):
isupport_line = " ".join(event["args"][1:])
if "NAMESX" in isupport_line:
event["server"].send("PROTOCTL NAMESX")
match = re.search(RE_PREFIXES, isupport_line)
if match:
event["server"].mode_prefixes.clear()
modes = match.group(1)
prefixes = match.group(2)
for i, prefix in enumerate(prefixes):
if i < len(modes):
event["server"].mode_prefixes[prefix] = modes[i]
match = re.search(RE_CHANMODES, isupport_line)
if match:
event["server"].channel_modes = list(match.group(4))
match = re.search(RE_CHANTYPES, isupport_line)
if match:
event["server"].channel_types = list(match.group(1))
self.events.on("received").on("numeric").on("005").call(
isupport=isupport_line, server=event["server"])
# whois respose (nickname, username, realname, hostname)
def handle_311(self, event):
nickname = event["args"][1]
if event["server"].is_own_nickname(nickname):
target = event["server"]
else:
target = event["server"].get_user(nickname)
target.username = event["args"][2]
target.hostname = event["args"][3]
target.realname = event["arbitrary"]
# on-join channel topic line
def handle_332(self, event):
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channel = event["server"].get_channel(event["args"][1])
channel.set_topic(event["arbitrary"])
self.events.on("received").on("numeric").on("332"
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).call(channel=channel, server=event["server"],
topic=event["arbitrary"])
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# channel topic changed
def topic(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
user = event["server"].get_user(nickname)
channel = event["server"].get_channel(event["args"][0])
channel.set_topic(event["arbitrary"])
self.events.on("received").on("topic").call(channel=channel,
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server=event["server"], topic=event["arbitrary"], user=user)
# on-join channel topic set by/at
def handle_333(self, event):
channel = event["server"].get_channel(event["args"][1])
topic_setter_hostmask = event["args"][2]
nickname, username, hostname = Utils.seperate_hostmask(
topic_setter_hostmask)
topic_time = int(event["args"][3]) if event["args"][3].isdigit(
) else None
channel.set_topic_setter(nickname, username, hostname)
channel.set_topic_time(topic_time)
self.events.on("received").on("numeric").on("333"
).call(channel=channel, setter=nickname, set_at=topic_time,
server=event["server"])
# on-join user list with status symbols
def handle_353(self, event):
channel = event["server"].get_channel(event["args"][2])
nicknames = event["arbitrary"].split()
for nickname in nicknames:
if nickname.strip():
modes = set([])
while nickname[0] in event["server"].mode_prefixes:
modes.add(event["server"].mode_prefixes[nickname[0]])
nickname = nickname[1:]
user = event["server"].get_user(nickname)
user.join_channel(channel)
channel.add_user(user)
for mode in modes:
channel.add_mode(mode, nickname)
# on-join user list has finished
def handle_366(self, event):
event["server"].send_who(event["args"][1])
# on user joining channel
def join(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
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account = None
realname = None
if len(event["args"]) == 2:
channel = event["server"].get_channel(event["args"][0])
if not event["args"] == "*":
account = event["args"][1]
realname = event["arbitrary"]
else:
channel = event["server"].get_channel(
event["arbitrary"] or event["args"][0])
if not event["server"].is_own_nickname(nickname):
user = event["server"].get_user(nickname)
if not event["server"].has_user(nickname):
user.username = username
user.hostname = hostname
channel.add_user(user)
user.join_channel(channel)
self.events.on("received").on("join").call(channel=channel,
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user=user, server=event["server"], account=account,
realname=realname)
else:
if channel.name in event["server"].attempted_join:
del event["server"].attempted_join[channel.name]
self.events.on("self").on("join").call(channel=channel,
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server=event["server"], account=account, realname=realname)
channel.send_mode()
# on user parting channel
def part(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
channel = event["server"].get_channel(event["args"][0])
reason = event["arbitrary"] or ""
if not event["server"].is_own_nickname(nickname):
user = event["server"].get_user(nickname)
self.events.on("received").on("part").call(channel=channel,
reason=reason, user=user, server=event["server"])
channel.remove_user(user)
user.part_channel(channel)
if not len(user.channels):
event["server"].remove_user(user)
else:
event["server"].remove_channel(channel)
self.events.on("self").on("part").call(channel=channel,
reason=reason, server=event["server"])
# unknown command sent by us, oops!
def handle_421(self, event):
print("warning: unknown command '%s'." % event["args"][1])
# a user has disconnected!
def quit(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
reason = event["arbitrary"] or ""
if not event["server"].is_own_nickname(nickname):
user = event["server"].get_user(nickname)
event["server"].remove_user(user)
self.events.on("received").on("quit").call(reason=reason,
user=user, server=event["server"])
else:
event["server"].disconnect()
# the server is telling us about its capabilities!
def cap(self, event):
capabilities = (event["arbitrary"] or "").split(" ")
subcommand = event["args"][1].lower()
if subcommand == "ls":
matched_capabilities = set(capabilities) & CAPABILITIES
if matched_capabilities:
event["server"].queue_capabilities(matched_capabilities)
self.events.on("received").on("cap").on(subcommand).call(
capabilities=capabilities, server=event["server"])
if subcommand == "ls":
if event["server"].has_capability_queue():
event["server"].send_capability_queue()
else:
event["server"].send_capability_end()
elif subcommand == "ack" or subcommand == "nack":
if not event["server"].waiting_for_capabilities():
event["server"].send_capability_end()
# the server is asking for authentication
def authenticate(self, event):
self.events.on("received").on("authenticate").call(
message=event["args"][0], server=event["server"])
# someone has changed their nickname
def nick(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
new_nickname = event["arbitrary"]
if not event["server"].is_own_nickname(nickname):
user = event["server"].get_user(nickname)
old_nickname = user.nickname
user.set_nickname(new_nickname)
event["server"].change_user_nickname(old_nickname, new_nickname)
self.events.on("received").on("nick").call(
new_nickname=new_nickname, old_nickname=old_nickname,
user=user, server=event["server"])
else:
old_nickname = event["server"].nickname
event["server"].set_own_nickname(new_nickname)
self.events.on("self").on("nick").call(
server=event["server"], new_nickname=new_nickname,
old_nickname=old_nickname)
# something's mode has changed
def mode(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
user = event["server"].get_user(nickname)
target = event["args"][0]
is_channel = target[0] in event["server"].channel_types
if is_channel:
channel = event["server"].get_channel(target)
remove = False
args = event["args"][2:]
_args = args[:]
modes = RE_MODES.findall(event["args"][1])
for chunk in modes:
remove = chunk[0] == "-"
for mode in chunk[1:]:
if mode in event["server"].channel_modes:
channel.change_mode(remove, mode)
elif mode in event["server"].mode_prefixes.values(
) and len(args):
channel.change_mode(remove, mode, args.pop(0))
else:
args.pop(0)
self.events.on("received").on("mode").on("channel").call(
modes=modes, mode_args=_args, channel=channel,
server=event["server"], user=user)
elif event["server"].is_own_nickname(target):
modes = RE_MODES.findall(event["arbitrary"] or args[1])
for chunk in modes:
remove = chunk[0] == "-"
for mode in chunk[1:]:
event["server"].change_own_mode(remove, mode)
self.events.on("self").on("mode").call(modes=modes,
server=event["server"])
# someone (maybe me!) has been invited somewhere
def invite(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
target_channel = event["arbitrary"] or event["args"][1]
user = event["server"].get_user(nickname)
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target_user = event["server"].get_user(event["args"][0])
self.events.on("received").on("invite").call(
user=user, target_channel=target_channel,
server=event["server"], target_user=target_user)
# we've received a message
def privmsg(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
user = event["server"].get_user(nickname)
message = event["arbitrary"] or ""
message_split = message.split(" ")
target = event["args"][0]
action = message.startswith("\01ACTION ") and message.endswith("\01")
if action:
message = message.replace("\01ACTION ", "", 1)[:-1]
if target[0] in event["server"].channel_types:
channel = event["server"].get_channel(event["args"][0])
self.events.on("received").on("message").on("channel").call(
user=user, message=message, message_split=message_split,
channel=channel, action=action, server=event["server"])
channel.buffer.add_line(user.nickname, message, action)
elif event["server"].is_own_nickname(target):
self.events.on("received").on("message").on("private").call(
user=user, message=message, message_split=message_split,
action=action, server=event["server"])
user.buffer.add_line(user.nickname, message, action)
# we've received a notice
def notice(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
message = event["arbitrary"] or ""
message_split = message.split(" ")
target = event["args"][0]
if nickname == event["server"].name or target == "*":
self.events.on("received.server-notice").call(
message=message, message_split=message_split,
server=event["server"])
else:
user = event["server"].get_user(nickname)
if target[0] in event["server"].channel_types:
channel = event["server"].get_channel(target)
self.events.on("received.notice.channel").call(
message=message, message_split=message_split,
user=user, server=event["server"], channel=channel)
elif event["server"].is_own_nickname(target):
self.events.on("received.notice.private").call(
message=message, message_split=message_split,
user=user, server=event["server"])
# a user's username and/or hostname has changed
def chghost(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
user = event["server"].get_user("nickanme")
username = event["args"][0]
hostname = event["args"][1]
user.username = username
user.hostname = hostname
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def account(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
user = event["server"].get_user("nickname")
if not event["args"][0] == "*":
self.events.on("received.account.login").call(user=user,
server=event["server"], account=account)
else:
self.events.on("received.account.logout").call(user=user,
server=event["server"])
# response to a WHO command for user information
def handle_352(self, event):
user = event["server"].get_user(event["args"][5])
user.username = event["args"][2]
user.hostname = event["args"][3]
# response to an empty mode command
def handle_324(self, event):
channel = event["server"].get_channel(event["args"][1])
modes = event["args"][2]
if modes[0] == "+" and modes[1:]:
for mode in modes[1:]:
if mode in event["server"].channel_modes:
channel.add_mode(mode)
# channel creation unix timestamp
def handle_329(self, event):
channel = event["server"].get_channel(event["args"][1])
channel.creation_timestamp = int(event["args"][2])
# nickname already in use
def handle_433(self, event):
pass
# we need a registered nickname for this channel
def handle_477(self, event):
if event["args"][1].lower() in event["server"].attempted_join:
self.bot.add_timer("rejoin", 5,
channel_name=event["args"][1],
key=event["server"].attempted_join[event["args"][1].lower()],
server_id=event["server"].id)
# someone's been kicked from a channel
def kick(self, event):
nickname, username, hostname = Utils.seperate_hostmask(
event["prefix"])
user = event["server"].get_user(nickname)
target = event["args"][1]
channel = event["server"].get_channel(event["args"][0])
reason = event["arbitrary"] or ""
if not event["server"].is_own_nickname(target):
target_user = event["server"].get_user(target)
self.events.on("received").on("kick").call(channel=channel,
reason=reason, target_user=target_user, user=user,
server=event["server"])
else:
self.events.on("self").on("kick").call(channel=channel,
reason=reason, user=user, server=event["server"])