585 lines
24 KiB
Python
585 lines
24 KiB
Python
import re, threading
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import Utils
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RE_PREFIXES = re.compile(r"\bPREFIX=\((\w+)\)(\W+)(?:\b|$)")
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RE_CHANMODES = re.compile(
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r"\bCHANMODES=(\w*),(\w*),(\w*),(\w*)(?:\b|$)")
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RE_CHANTYPES = re.compile(r"\bCHANTYPES=(\W+)(?:\b|$)")
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RE_CASEMAPPING = re.compile(r"\bCASEMAPPING=(\S+)")
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RE_MODES = re.compile(r"[-+]\w+")
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CAPABILITIES = {"multi-prefix", "chghost", "invite-notify", "account-tag",
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"account-notify", "extended-join", "away-notify", "userhost-in-names",
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"draft/message-tags-0.2", "server-time", "cap-notify",
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"batch", "draft/labeled-response"}
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class LineHandler(object):
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def __init__(self, bot, events):
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self.bot = bot
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self.events = events
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events.on("raw.PING").hook(self.ping)
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events.on("raw.001").hook(self.handle_001, default_event=True)
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events.on("raw.005").hook(self.handle_005)
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events.on("raw.311").hook(self.handle_311, default_event=True)
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events.on("raw.332").hook(self.handle_332)
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events.on("raw.333").hook(self.handle_333)
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events.on("raw.353").hook(self.handle_353, default_event=True)
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events.on("raw.366").hook(self.handle_366, default_event=True)
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events.on("raw.421").hook(self.handle_421, default_event=True)
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events.on("raw.352").hook(self.handle_352, default_event=True)
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events.on("raw.354").hook(self.handle_354, default_event=True)
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events.on("raw.324").hook(self.handle_324, default_event=True)
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events.on("raw.329").hook(self.handle_329, default_event=True)
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events.on("raw.433").hook(self.handle_433, default_event=True)
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events.on("raw.477").hook(self.handle_477, default_event=True)
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events.on("raw.JOIN").hook(self.join)
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events.on("raw.PART").hook(self.part)
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events.on("raw.QUIT").hook(self.quit)
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events.on("raw.NICK").hook(self.nick)
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events.on("raw.MODE").hook(self.mode)
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events.on("raw.KICK").hook(self.kick)
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events.on("raw.INVITE").hook(self.invite)
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events.on("raw.TOPIC").hook(self.topic)
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events.on("raw.PRIVMSG").hook(self.privmsg)
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events.on("raw.NOTICE").hook(self.notice)
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events.on("raw.CAP").hook(self.cap)
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events.on("raw.AUTHENTICATE").hook(self.authenticate)
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events.on("raw.CHGHOST").hook(self.chghost)
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events.on("raw.ACCOUNT").hook(self.account)
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events.on("raw.TAGMSG").hook(self.tagmsg)
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events.on("raw.AWAY").hook(self.away)
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events.on("raw.BATCH").hook(self.batch)
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def handle(self, server, line):
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original_line = line
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tags = {}
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prefix = None
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command = None
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if line[0] == "@":
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tags_prefix, line = line[1:].split(" ", 1)
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for tag in tags_prefix.split(";"):
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if tag:
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tag_split = tag.split("=", 1)
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tags[tag_split[0]] = "".join(tag_split[1:])
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if "batch" in tags and tags["batch"] in server.batches:
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server.batches[tag["batch"]].append(line)
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return
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arbitrary = None
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if " :" in line:
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line, arbitrary = line.split(" :", 1)
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if line.endswith(" "):
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line = line[:-1]
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if line[0] == ":":
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prefix, command = line[1:].split(" ", 1)
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prefix = Utils.seperate_hostmask(prefix)
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if " " in command:
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command, line = command.split(" ", 1)
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else:
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command = line
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if " " in line:
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command, line = line.split(" ", 1)
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args = line.split(" ")
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hooks = self.events.on("raw").on(command).get_hooks()
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default_event = False
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for hook in hooks:
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if hook.kwargs.get("default_event", False):
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default_event = True
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break
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last = arbitrary or args[-1]
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#server, prefix, command, args, arbitrary
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self.events.on("raw").on(command).call(server=server, last=last,
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prefix=prefix, args=args, arbitrary=arbitrary, tags=tags)
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if default_event or not hooks:
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if command.isdigit():
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self.events.on("received.numeric").on(command).call(
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line=original_line, server=server, tags=tags, last=last,
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line_split=original_line.split(" "), number=command)
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else:
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self.events.on("received").on(command).call(
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line=original_line, line_split=original_line.split(" "),
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command=command, server=server, tags=tags, last=last)
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# ping from the server
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def ping(self, event):
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event["server"].send_pong(event["last"])
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# first numeric line the server sends
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def handle_001(self, event):
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event["server"].name = event["prefix"].nickname
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event["server"].set_own_nickname(event["args"][0])
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event["server"].send_whois(event["server"].nickname)
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# server telling us what it supports
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def handle_005(self, event):
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isupport_line = " ".join(event["args"][1:])
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if "NAMESX" in isupport_line:
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event["server"].send("PROTOCTL NAMESX")
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match = re.search(RE_PREFIXES, isupport_line)
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if match:
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event["server"].mode_prefixes.clear()
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modes = match.group(1)
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prefixes = match.group(2)
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for i, prefix in enumerate(prefixes):
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if i < len(modes):
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event["server"].mode_prefixes[prefix] = modes[i]
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match = re.search(RE_CHANMODES, isupport_line)
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if match:
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event["server"].channel_modes = list(match.group(4))
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match = re.search(RE_CHANTYPES, isupport_line)
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if match:
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event["server"].channel_types = list(match.group(1))
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match = re.search(RE_CASEMAPPING, isupport_line)
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if match:
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event["server"].case_mapping = match.group(1)
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self.events.on("received.numeric.005").call(
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isupport=isupport_line, server=event["server"])
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# whois respose (nickname, username, realname, hostname)
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def handle_311(self, event):
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nickname = event["args"][1]
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if event["server"].is_own_nickname(nickname):
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target = event["server"]
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else:
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target = event["server"].get_user(nickname)
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target.username = event["args"][2]
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target.hostname = event["args"][3]
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target.realname = event["arbitrary"]
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# on-join channel topic line
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def handle_332(self, event):
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channel = event["server"].get_channel(event["args"][1])
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channel.set_topic(event["arbitrary"])
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self.events.on("received.numeric.332").call(channel=channel,
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server=event["server"], topic=event["arbitrary"])
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# channel topic changed
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def topic(self, event):
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user = event["server"].get_user(event["prefix"].nickname)
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channel = event["server"].get_channel(event["args"][0])
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channel.set_topic(event["arbitrary"])
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self.events.on("received.topic").call(channel=channel,
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server=event["server"], topic=event["arbitrary"], user=user)
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# on-join channel topic set by/at
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def handle_333(self, event):
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channel = event["server"].get_channel(event["args"][1])
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topic_setter_hostmask = event["args"][2]
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topic_setter = Utils.seperate_hostmask(topic_setter_hostmask)
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topic_time = int(event["args"][3]) if event["args"][3].isdigit(
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) else None
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channel.set_topic_setter(topic_setter.nickname, topic_setter.username,
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topic_setter.hostname)
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channel.set_topic_time(topic_time)
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self.events.on("received.numeric.333").call(channel=channel,
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setter=topic_setter.nickname, set_at=topic_time,
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server=event["server"])
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# /names response, also on-join user list
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def handle_353(self, event):
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channel = event["server"].get_channel(event["args"][2])
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nicknames = event["arbitrary"].split()
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for nickname in nicknames:
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modes = set([])
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while nickname[0] in event["server"].mode_prefixes:
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modes.add(event["server"].mode_prefixes[nickname[0]])
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nickname = nickname[1:]
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if "userhost-in-names" in event["server"].capabilities:
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hostmask = Utils.seperate_hostmask(nickname)
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nickname = hostmask.nickname
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user = event["server"].get_user(hostmask.nickname)
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user.username = hostmask.username
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user.hostname = hostmask.hostname
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else:
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user = event["server"].get_user(nickname)
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user.join_channel(channel)
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channel.add_user(user)
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for mode in modes:
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channel.add_mode(mode, nickname)
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# on-join user list has finished
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def handle_366(self, event):
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event["server"].send_whox(event["args"][1], "n", "ahnrtu", "111")
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# on user joining channel
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def join(self, event):
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account = None
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realname = None
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if len(event["args"]) == 2:
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channel = event["server"].get_channel(event["args"][0])
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if not event["args"] == "*":
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account = event["args"][1]
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realname = event["arbitrary"]
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else:
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channel = event["server"].get_channel(event["last"])
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if not event["server"].is_own_nickname(event["prefix"].nickname):
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user = event["server"].get_user(event["prefix"].nickname)
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if not user.username and not user.hostname:
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user.username = event["prefix"].username
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user.hostname = event["prefix"].hostname
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if account:
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user.identified_account = account
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user.identified_account_id = event["server"].get_user(
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account).get_id()
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if realname:
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user.realname = realname
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channel.add_user(user)
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user.join_channel(channel)
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self.events.on("received.join").call(channel=channel,
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user=user, server=event["server"], account=account,
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realname=realname)
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else:
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if channel.name in event["server"].attempted_join:
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del event["server"].attempted_join[channel.name]
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self.events.on("self.join").call(channel=channel,
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server=event["server"], account=account, realname=realname)
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channel.send_mode()
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# on user parting channel
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def part(self, event):
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channel = event["server"].get_channel(event["args"][0])
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reason = event["arbitrary"] or ""
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if not event["server"].is_own_nickname(event["prefix"].nickname):
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user = event["server"].get_user(event["prefix"].nickname)
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self.events.on("received.part").call(channel=channel,
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reason=reason, user=user, server=event["server"])
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channel.remove_user(user)
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user.part_channel(channel)
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if not len(user.channels):
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event["server"].remove_user(user)
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else:
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event["server"].remove_channel(channel)
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self.events.on("self.part").call(channel=channel,
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reason=reason, server=event["server"])
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# unknown command sent by us, oops!
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def handle_421(self, event):
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print("warning: unknown command '%s'." % event["args"][1])
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# a user has disconnected!
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def quit(self, event):
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reason = event["arbitrary"] or ""
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if not event["server"].is_own_nickname(event["prefix"].nickname):
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user = event["server"].get_user(event["prefix"].nickname)
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event["server"].remove_user(user)
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self.events.on("received.quit").call(reason=reason,
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user=user, server=event["server"])
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else:
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event["server"].disconnect()
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# the server is telling us about its capabilities!
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def cap(self, event):
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capabilities_list = (event["arbitrary"] or "").split(" ")
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capabilities = {}
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for capability in capabilities_list:
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argument = None
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if "=" in capability:
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capability, argument = capability.split("=", 1)
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capabilities[capability] = argument
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subcommand = event["args"][1].lower()
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is_multiline = len(event["args"]) > 2 and event["args"][2] == "*"
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if subcommand == "ls":
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event["server"].server_capabilities.update(capabilities)
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if not is_multiline:
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matched_capabilities = set(event["server"
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].server_capabilities.keys()) & CAPABILITIES
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if matched_capabilities:
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event["server"].queue_capabilities(matched_capabilities)
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self.events.on("received.cap.ls").call(
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capabilities=event["server"].server_capabilities,
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server=event["server"])
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if event["server"].has_capability_queue():
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event["server"].send_capability_queue()
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else:
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event["server"].send_capability_end()
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elif subcommand == "new":
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event["server"].capabilities.update(set(capabilities.keys()))
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self.events.on("received.cap.new").call(server=event["server"],
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capabilities=capabilities)
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elif subcommand == "del":
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event["server"].capabilities.difference_update(set(
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capabilities.keys()))
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self.events.on("received.cap.del").call(server=event["server"],
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capabilities=capabilities)
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elif subcommand == "ack":
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event["server"].capabilities.update(capabilities)
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if not is_multiline:
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self.events.on("received.cap.ack").call(
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capabilities=event["server"].capabilities,
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server=event["server"])
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if not event["server"].waiting_for_capabilities():
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event["server"].send_capability_end()
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elif subcommand == "nack":
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event["server"].send_capability_end()
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# the server is asking for authentication
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def authenticate(self, event):
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self.events.on("received.authenticate").call(
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message=event["args"][0], server=event["server"])
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# someone has changed their nickname
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def nick(self, event):
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new_nickname = event["arbitrary"]
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if not event["server"].is_own_nickname(event["prefix"].nickname):
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user = event["server"].get_user(event["prefix"].nickname)
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old_nickname = user.nickname
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user.set_nickname(new_nickname)
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event["server"].change_user_nickname(old_nickname, new_nickname)
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self.events.on("received.nick").call(new_nickname=new_nickname,
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old_nickname=old_nickname, user=user, server=event["server"])
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else:
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old_nickname = event["server"].nickname
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event["server"].set_own_nickname(new_nickname)
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self.events.on("self.nick").call(server=event["server"],
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new_nickname=new_nickname, old_nickname=old_nickname)
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# something's mode has changed
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def mode(self, event):
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user = event["server"].get_user(event["prefix"].nickname)
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target = event["args"][0]
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is_channel = target[0] in event["server"].channel_types
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if is_channel:
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channel = event["server"].get_channel(target)
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remove = False
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args = event["args"][2:]
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_args = args[:]
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modes = RE_MODES.findall(event["args"][1])
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for chunk in modes:
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remove = chunk[0] == "-"
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for mode in chunk[1:]:
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if mode in event["server"].channel_modes:
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channel.change_mode(remove, mode)
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elif mode in event["server"].mode_prefixes.values(
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) and len(args):
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channel.change_mode(remove, mode, args.pop(0))
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else:
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args.pop(0)
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self.events.on("received.mode.channel").call(modes=modes,
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mode_args=_args, channel=channel, server=event["server"],
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user=user)
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elif event["server"].is_own_nickname(target):
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modes = RE_MODES.findall(event["last"])
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for chunk in modes:
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remove = chunk[0] == "-"
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for mode in chunk[1:]:
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event["server"].change_own_mode(remove, mode)
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self.events.on("self.mode").call(modes=modes,
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server=event["server"])
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# someone (maybe me!) has been invited somewhere
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def invite(self, event):
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target_channel = event["last"]
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user = event["server"].get_user(event["prefix"].nickname)
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target_user = event["server"].get_user(event["args"][0])
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self.events.on("received.invite").call(user=user,
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target_channel=target_channel, server=event["server"],
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target_user=target_user)
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# we've received a message
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def privmsg(self, event):
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user = event["server"].get_user(event["prefix"].nickname)
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message = event["arbitrary"] or ""
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message_split = message.split(" ")
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target = event["args"][0]
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action = message.startswith("\x01ACTION ")
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if action:
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message = message.replace("\x01ACTION ", "", 1)
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if message.endswith("\x01"):
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message = message[:-1]
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kwargs = {"message": message, "message_split": message_split,
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"server": event["server"], "tags": event["tags"],
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"action": action}
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if target[0] in event["server"].channel_types:
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channel = event["server"].get_channel(event["args"][0])
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self.events.on("received.message.channel").call(
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user=user, channel=channel, **kwargs)
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channel.buffer.add_line(user.nickname, message, action)
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elif event["server"].is_own_nickname(target):
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self.events.on("received.message.private").call(
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user=user, **kwargs)
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user.buffer.add_line(user.nickname, message, action)
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# we've received a notice
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def notice(self, event):
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message = event["arbitrary"] or ""
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message_split = message.split(" ")
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target = event["args"][0]
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if not event["prefix"] or event["prefix"].hostmask == event["server"
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].name or target == "*":
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event["server"].name = event["prefix"].hostmask
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self.events.on("received.server-notice").call(
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message=message, message_split=message_split,
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server=event["server"])
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else:
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user = event["server"].get_user(event["prefix"].nickname)
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if target[0] in event["server"].channel_types:
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channel = event["server"].get_channel(target)
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self.events.on("received.notice.channel").call(
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message=message, message_split=message_split, user=user,
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server=event["server"], channel=channel,
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tags=event["tags"])
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elif event["server"].is_own_nickname(target):
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self.events.on("received.notice.private").call(
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message=message, message_split=message_split, user=user,
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|
server=event["server"], tags=event["tags"])
|
|
|
|
# IRCv3 TAGMSG, used to send tags without any other information
|
|
def tagmsg(self, event):
|
|
user = event["server"].get_user(event["prefix"].nickname)
|
|
target = event["args"][0]
|
|
|
|
if target[0] in event["server"].channel_types:
|
|
channel = event["server"].get_channel(target)
|
|
self.events.on("received.tagmsg.channel").call(channel=channel,
|
|
user=user, tags=event["tags"], server=event["server"])
|
|
elif event["server"].is_own_nickname(target):
|
|
self.events.on("received.tagmsg.private").call(
|
|
user=user, tags=event["tags"], server=event["server"])
|
|
|
|
# IRCv3 AWAY, used to notify us that a client we can see has changed /away
|
|
def away(self, event):
|
|
user = event["server"].get_user(event["prefix"].nickname)
|
|
message = event["arbitrary"]
|
|
if message:
|
|
user.away = True
|
|
self.events.on("received.away.on").call(user=user,
|
|
server=event["server"], message=message)
|
|
else:
|
|
user.away = False
|
|
self.events.on("received.away.off").call(user=user,
|
|
server=event["server"])
|
|
|
|
def batch(self, event):
|
|
identifier = event["args"][0]
|
|
modifier, identifier = identifier[0], identifier[1:]
|
|
if modifier == "+":
|
|
event["server"].batches[identifier] = []
|
|
else:
|
|
lines = event["server"].batches[identifier]
|
|
del event["server"].batches[identifier]
|
|
for line in lines:
|
|
self.handle(event["server"], line)
|
|
|
|
# IRCv3 CHGHOST, a user's username and/or hostname has changed
|
|
def chghost(self, event):
|
|
username = event["args"][0]
|
|
hostname = event["args"][1]
|
|
|
|
if not event["server"].is_own_nickname(event["prefix"].nickname):
|
|
target = event["server"].get_user("nickanme")
|
|
else:
|
|
target = event["server"]
|
|
target.username = username
|
|
target.hostname = hostname
|
|
|
|
def account(self, event):
|
|
user = event["server"].get_user(event["prefix"].nickname)
|
|
|
|
if not event["args"][0] == "*":
|
|
user.identified_account = event["args"][0]
|
|
user.identified_account_id = event["server"].get_user(
|
|
event["args"][0]).get_id()
|
|
self.events.on("received.account.login").call(user=user,
|
|
server=event["server"], account=event["args"][0])
|
|
else:
|
|
user.identified_account = None
|
|
user.identified_account_id = None
|
|
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 a WHOX command for user information, including account name
|
|
def handle_354(self, event):
|
|
if event["args"][1] == "111":
|
|
username = event["args"][2]
|
|
hostname = event["args"][3]
|
|
nickname = event["args"][4]
|
|
account = event["args"][5]
|
|
realname = event["last"]
|
|
|
|
user = event["server"].get_user(nickname)
|
|
user.username = username
|
|
user.hostname = hostname
|
|
user.realname = realname
|
|
if not account == "0":
|
|
user.identified_account = account
|
|
|
|
# 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):
|
|
channel_name = Utils.irc_lower(event["server"], event["args"][1])
|
|
if channel_name in event["server"].attempted_join:
|
|
self.bot.add_timer("rejoin", 5,
|
|
channel_name=event["args"][1],
|
|
key=event["server"].attempted_join[channel_name],
|
|
server_id=event["server"].id)
|
|
|
|
# someone's been kicked from a channel
|
|
def kick(self, event):
|
|
user = event["server"].get_user(event["prefix"].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.kick").call(channel=channel,
|
|
reason=reason, target_user=target_user, user=user,
|
|
server=event["server"])
|
|
else:
|
|
self.events.on("self.kick").call(channel=channel,
|
|
reason=reason, user=user, server=event["server"])
|