1208 lines
46 KiB
Python
1208 lines
46 KiB
Python
"""Provides classes and functions for communicating with an IRC server.
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References for the IRC protocol:
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- Original IRC protocol specification: https://www.rfc-editor.org/rfc/rfc1459
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- Updated IRC Client specification: https://www.rfc-editor.org/rfc/rfc2812
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- Modern IRC client protocol writeup: https://modern.ircdocs.horse
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- IRCv3 protocol additions: https://ircv3.net/irc/
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- Draft of metadata specification: https://gist.github.com/k4bek4be/92c2937cefd49990fbebd001faf2b237
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"""
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import sys
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import socket
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import ssl
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import random
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import datetime
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import logging
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try:
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from PyQt6 import QtCore, QtGui
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except ImportError:
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print("PyQt5 fallback (irc.py)")
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from PyQt5 import QtCore, QtGui
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from mood import Mood
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from dataobjs import PesterProfile
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from generic import PesterList
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from version import _pcVersion
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PchumLog = logging.getLogger("pchumLogger")
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SERVICES = [
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"nickserv",
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"chanserv",
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"memoserv",
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"operserv",
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"helpserv",
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"hostserv",
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"botserv",
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]
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class CommandError(Exception):
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def __init__(self, cmd):
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self.cmd = cmd
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class NoSuchCommandError(CommandError):
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def __str__(self):
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return 'No such command "%s"' % ".".join(self.cmd)
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class ProtectedCommandError(CommandError):
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def __str__(self):
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return 'Command "%s" is protected' % ".".join(self.cmd)
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# Python 3
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QString = str
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try:
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import certifi
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except ImportError:
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if sys.platform == "darwin":
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# Certifi is required to validate certificates on MacOS with pyinstaller builds.
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PchumLog.warning(
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"Failed to import certifi, which is recommended on MacOS. "
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"Pesterchum might not be able to validate certificates unless "
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"Python's root certs are installed."
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)
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else:
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PchumLog.info(
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"Failed to import certifi, Pesterchum will not be able to validate "
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"certificates if the system-provided root certificates are invalid."
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)
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class IRCClientError(Exception):
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pass
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class PesterIRC(QtCore.QThread):
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def __init__(self, config, window, verify_hostname=True):
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QtCore.QThread.__init__(self)
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self.mainwindow = window
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self.config = config
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self.unresponsive = False
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self.registeredIRC = False
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self.verify_hostname = verify_hostname
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self.metadata_supported = False
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self.stopIRC = None
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self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.host = self.config.server()
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self.port = self.config.port()
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self.ssl = self.config.ssl()
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self._end = False
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self.send_irc = SendIRC()
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self.conn = None
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self.joined = False
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self.channelnames = {}
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self.channel_list = []
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self.channel_field = None
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self.commands = {
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"001": self.welcome,
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"005": self.featurelist,
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"221": self.umodeis,
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"321": self.liststart,
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"322": self.list,
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"323": self.listend,
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"324": self.channelmodeis,
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"353": self.namreply,
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"366": self.endofnames,
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"432": self.erroneusnickname,
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"433": self.nicknameinuse,
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"436": self.nickcollision,
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"448": self.forbiddenchannel, # non-standard
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"473": self.inviteonlychan,
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"761": self.keyvalue, # 7XX is ircv3 deprecated metadata spec
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"766": self.nomatchingkey,
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"768": self.keynotset,
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"769": self.keynopermission,
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"770": self.metadatasubok,
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"error": self.error,
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"join": self.join,
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"kick": self.kick,
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"mode": self.mode,
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"part": self.part,
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"ping": self.ping,
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"privmsg": self.privmsg,
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"notice": self.notice,
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"quit": self.quit,
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"invite": self.invite,
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"nick": self.nick, # We can get svsnicked
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"metadata": self.metadata, # Metadata specification
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"tagmsg": self.tagmsg, # IRCv3 message tags extension
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"cap": self.cap, # IRCv3 Client Capability Negotiation
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}
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def get_ssl_context(self):
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"""Returns an SSL context for connecting over SSL/TLS.
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Loads the certifi root certificate bundle if the certifi module is less
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than a year old or if the system certificate store is empty.
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The cert store on Windows also seems to have issues, so it's better
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to use the certifi provided bundle assuming it's a recent version.
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On MacOS the system cert store is usually empty, as Python does not use
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the system provided ones, instead relying on a bundle installed with the
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python installer."""
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default_context = ssl.create_default_context()
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if "certifi" not in sys.modules:
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return default_context
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# Get age of certifi module
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certifi_date = datetime.datetime.strptime(certifi.__version__, "%Y.%m.%d")
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current_date = datetime.datetime.now()
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certifi_age = current_date - certifi_date
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empty_cert_store = (
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list(default_context.cert_store_stats().values()).count(0) == 3
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)
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# 31557600 seconds is approximately 1 year
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if empty_cert_store or certifi_age.total_seconds() <= 31557600:
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PchumLog.info(
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"Using SSL/TLS context with certifi-provided root certificates."
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)
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return ssl.create_default_context(cafile=certifi.where())
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PchumLog.info("Using SSL/TLS context with system-provided root certificates.")
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return default_context
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def connect(self, verify_hostname=True):
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"""initiates the connection to the server set in self.host:self.port
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self.ssl decides whether the connection uses ssl.
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Certificate validation when using SSL/TLS may be disabled by
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passing the 'verify_hostname' parameter. The user is asked if they
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want to disable it if this functions raises a certificate validation error,
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in which case the function may be called again with 'verify_hostname'."""
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PchumLog.info("connecting to {}:{}".format(self.host, self.port))
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# Open connection
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plaintext_socket = socket.create_connection((self.host, self.port))
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if self.ssl:
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# Upgrade connection to use SSL/TLS if enabled
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context = self.get_ssl_context()
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context.check_hostname = verify_hostname
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self.socket = context.wrap_socket(
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plaintext_socket, server_hostname=self.host
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)
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else:
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# SSL/TLS is disabled, connection is plaintext
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self.socket = plaintext_socket
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self.socket.settimeout(90)
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self.send_irc.socket = self.socket
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self.send_irc.nick(self.mainwindow.profile().handle)
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self.send_irc.user("pcc31", "pcc31")
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# if self.connect_cb:
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# self.connect_cb(self)
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def conn_generator(self):
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"""returns a generator object."""
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try:
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buffer = b""
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while not self._end:
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try:
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buffer += self.socket.recv(1024)
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except OSError as e:
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PchumLog.warning("conn exception {} in {}".format(e, self))
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if self._end:
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break
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raise e
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else:
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if self._end:
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break
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split_buffer = buffer.split(b"\r\n")
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buffer = b""
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if split_buffer[-1]:
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# Incomplete line, add it back to the buffer.
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buffer = split_buffer.pop()
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for line in split_buffer:
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line = line.decode(encoding="utf-8", errors="replace")
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tags, prefix, command, args = self.parse_irc_line(line)
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if command:
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# Only need tags with tagmsg
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if command.casefold() == "tagmsg":
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self.run_command(command, prefix, tags, *args)
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else:
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self.run_command(command, prefix, *args)
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yield True
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except socket.timeout as se:
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PchumLog.debug("passing timeout")
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raise se
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except (OSError, ssl.SSLEOFError) as se:
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PchumLog.debug("problem: %s" % (str(se)))
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if self.socket:
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PchumLog.info("error: closing socket")
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self.socket.close()
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raise se
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except Exception as e:
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PchumLog.exception("Non-socket exception in conn_generator().")
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raise e
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else:
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PchumLog.debug("ending while, end is %s" % self._end)
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if self.socket:
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PchumLog.info("finished: closing socket")
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self.socket.close()
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yield False
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def parse_irc_line(self, line: str):
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parts = line.split(" ")
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tags = None
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prefix = None
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if parts[0].startswith(":"):
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prefix = parts[0][1:]
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command = parts[1]
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args = parts[2:]
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elif parts[0].startswith("@"):
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tags = parts[0] # IRCv3 message tag
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prefix = parts[1][1:]
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command = parts[2]
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args = parts[3:]
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else:
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command = parts[0]
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args = parts[1:]
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command = command.casefold()
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# If ':' is present the subsequent args are one parameter.
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fused_args = []
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for idx, arg in enumerate(args):
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if arg.startswith(":"):
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final_param = " ".join(args[idx:])
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fused_args.append(final_param[1:])
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break
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else:
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fused_args.append(arg)
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return (tags, prefix, command, fused_args)
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def close(self):
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# with extreme prejudice
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if self.socket:
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PchumLog.info("shutdown socket")
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# print("shutdown socket")
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self._end = True
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try:
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self.socket.shutdown(socket.SHUT_RDWR)
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except OSError as e:
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PchumLog.debug(
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"Error while shutting down socket, already broken? %s" % str(e)
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)
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try:
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self.socket.close()
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except OSError as e:
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PchumLog.debug(
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"Error while closing socket, already broken? %s" % str(e)
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)
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def IRCConnect(self):
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try:
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self.connect(self.verify_hostname)
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except ssl.SSLCertVerificationError as e:
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# Ask if users wants to connect anyway
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self.askToConnect.emit(e)
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raise e
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self.conn = self.conn_generator()
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def run(self):
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try:
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self.IRCConnect()
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except OSError as se:
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self.stopIRC = se
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return
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while True:
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res = True
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try:
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PchumLog.debug("updateIRC()")
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self.mainwindow.sincerecv = 0
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res = self.updateIRC()
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except socket.timeout as se:
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PchumLog.debug("timeout in thread %s" % (self))
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self.close()
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self.stopIRC = "{}, {}".format(type(se), se)
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return
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except (OSError, IndexError, ValueError) as se:
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self.stopIRC = "{}, {}".format(type(se), se)
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PchumLog.debug("socket error, exiting thread")
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return
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else:
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if not res:
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PchumLog.debug("false Yield: %s, returning" % res)
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return
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def setConnected(self):
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self.registeredIRC = True
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self.connected.emit()
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def setConnectionBroken(self):
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PchumLog.critical("setconnection broken")
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self.disconnectIRC()
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# self.brokenConnection = True # Unused
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@QtCore.pyqtSlot()
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def updateIRC(self):
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try:
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res = next(self.conn)
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except socket.timeout as se:
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if self.registeredIRC:
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return True
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else:
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raise se
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except OSError as se:
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raise se
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except (OSError, ValueError, IndexError) as se:
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raise se
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except StopIteration:
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self.conn = self.conn_generator()
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return True
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else:
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return res
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@QtCore.pyqtSlot(PesterProfile)
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def getMood(self, *chums):
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"""Get mood via metadata if supported"""
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# Get via metadata or via legacy method
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if self.metadata_supported:
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# Metadata
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for chum in chums:
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try:
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self.send_irc.metadata(chum.handle, "get", "mood")
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except OSError as e:
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PchumLog.warning(e)
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self.setConnectionBroken()
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else:
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# Legacy
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PchumLog.warning(
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"Server doesn't seem to support metadata, using legacy GETMOOD."
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)
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chumglub = "GETMOOD "
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for chum in chums:
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if len(chumglub + chum.handle) >= 350:
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try:
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self.send_irc.privmsg("#pesterchum", chumglub)
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except OSError as e:
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PchumLog.warning(e)
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self.setConnectionBroken()
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chumglub = "GETMOOD "
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# No point in GETMOOD-ing services
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if chum.handle.casefold() not in SERVICES:
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chumglub += chum.handle
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if chumglub != "GETMOOD ":
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try:
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self.send_irc.privmsg("#pesterchum", chumglub)
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except OSError as e:
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PchumLog.warning(e)
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self.setConnectionBroken()
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|
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@QtCore.pyqtSlot(PesterList)
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def getMoods(self, chums):
|
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self.getMood(*chums)
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|
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@QtCore.pyqtSlot(QString, QString)
|
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def sendNotice(self, text, handle):
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self.send_irc.notice(handle, text)
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|
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@QtCore.pyqtSlot(QString, QString)
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def sendMessage(self, text, handle):
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h = str(handle)
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textl = [str(text)]
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|
|
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def splittext(l):
|
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if len(l[0]) > 450:
|
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space = l[0].rfind(" ", 0, 430)
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if space == -1:
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space = 450
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elif l[0][space + 1 : space + 5] == "</c>":
|
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space = space + 4
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a = l[0][0 : space + 1]
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b = l[0][space + 1 :]
|
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if a.count("<c") > a.count("</c>"):
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# oh god ctags will break!! D=
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hanging = []
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usedends = []
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c = a.rfind("<c")
|
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while c != -1:
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d = a.find("</c>", c)
|
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while d in usedends:
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d = a.find("</c>", d + 1)
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if d != -1:
|
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usedends.append(d)
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else:
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f = a.find(">", c) + 1
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hanging.append(a[c:f])
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c = a.rfind("<c", 0, c)
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|
|
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# end all ctags in first part
|
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for _ in range(a.count("<c") - a.count("</c>")):
|
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a = a + "</c>"
|
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# start them up again in the second part
|
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for c in hanging:
|
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b = c + b
|
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if len(b) > 0:
|
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return [a] + splittext([b])
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else:
|
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return [a]
|
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else:
|
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return l
|
|
|
|
textl = splittext(textl)
|
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try:
|
|
for t in textl:
|
|
self.send_irc.privmsg(h, t)
|
|
except OSError as e:
|
|
PchumLog.warning(e)
|
|
self.setConnectionBroken()
|
|
|
|
@QtCore.pyqtSlot(
|
|
QString,
|
|
QString,
|
|
)
|
|
|
|
def sendCTCP(self, handle, text):
|
|
self.send_irc.ctcp(handle, text)
|
|
|
|
@QtCore.pyqtSlot(QString, bool)
|
|
def startConvo(self, handle, initiated):
|
|
self.send_irc.privmsg(handle, f"COLOR >{self.mainwindow.profile().colorcmd()}")
|
|
if initiated:
|
|
self.send_irc.privmsg(handle, "PESTERCHUM:BEGIN")
|
|
|
|
@QtCore.pyqtSlot(QString)
|
|
def endConvo(self, handle):
|
|
self.send_irc.privmsg(handle, "PESTERCHUM:CEASE")
|
|
|
|
@QtCore.pyqtSlot()
|
|
def updateProfile(self):
|
|
me = self.mainwindow.profile()
|
|
handle = me.handle
|
|
self.send_irc.nick(handle)
|
|
self.mainwindow.closeConversations(True)
|
|
self.mainwindow.doAutoIdentify()
|
|
self.mainwindow.autoJoinDone = False
|
|
self.mainwindow.doAutoJoins()
|
|
self.updateMood()
|
|
|
|
@QtCore.pyqtSlot()
|
|
def updateMood(self):
|
|
me = self.mainwindow.profile()
|
|
# Moods via metadata
|
|
self.send_irc.metadata("*", "set", "mood", str(me.mood.value()))
|
|
# Backwards compatibility
|
|
self.send_irc.privmsg("#pesterchum", f"MOOD >{me.mood.value()}")
|
|
|
|
@QtCore.pyqtSlot()
|
|
def updateColor(self):
|
|
# Update color metadata field
|
|
color = self.mainwindow.profile().color
|
|
self.send_irc.metadata("*", "set", "color", str(color.name()))
|
|
# Send color messages
|
|
for h in list(self.mainwindow.convos.keys()):
|
|
self.send_irc.privmsg(
|
|
h,
|
|
"COLOR >%s" % (self.mainwindow.profile().colorcmd()),
|
|
)
|
|
|
|
@QtCore.pyqtSlot(QString)
|
|
def blockedChum(self, handle):
|
|
self.send_irc.privmsg(handle, "PESTERCHUM:BLOCK")
|
|
|
|
@QtCore.pyqtSlot(QString)
|
|
def unblockedChum(self, handle):
|
|
self.send_irc.privmsg(handle, "PESTERCHUM:UNBLOCK")
|
|
|
|
@QtCore.pyqtSlot(QString)
|
|
def requestNames(self, channel):
|
|
self.send_irc.names(channel)
|
|
|
|
@QtCore.pyqtSlot()
|
|
def requestChannelList(self):
|
|
self.send_irc.list()
|
|
|
|
@QtCore.pyqtSlot(QString)
|
|
def joinChannel(self, channel):
|
|
self.send_irc.join(channel)
|
|
self.send_irc.mode(channel)
|
|
|
|
@QtCore.pyqtSlot(QString)
|
|
def leftChannel(self, channel):
|
|
self.send_irc.part(channel)
|
|
|
|
@QtCore.pyqtSlot(QString, QString, QString)
|
|
def kickUser(self, channel, user, reason=""):
|
|
self.send_irc.kick(channel, user, reason)
|
|
|
|
@QtCore.pyqtSlot(QString, QString, QString)
|
|
def setChannelMode(self, channel, mode, command):
|
|
self.send_irc.mode(channel, mode, command)
|
|
|
|
@QtCore.pyqtSlot(QString)
|
|
def channelNames(self, channel):
|
|
self.send_irc.names(channel)
|
|
|
|
@QtCore.pyqtSlot(QString, QString)
|
|
def inviteChum(self, handle, channel):
|
|
self.send_irc.invite(handle, channel)
|
|
|
|
@QtCore.pyqtSlot()
|
|
def pingServer(self):
|
|
self.send_irc.ping("B33")
|
|
|
|
@QtCore.pyqtSlot(bool)
|
|
def setAway(self, away=True):
|
|
if away:
|
|
self.away("Idle")
|
|
else:
|
|
self.away()
|
|
|
|
@QtCore.pyqtSlot(QString, QString)
|
|
def killSomeQuirks(self, channel, handle):
|
|
self.send_irc.ctcp(channel, "NOQUIRKS", handle)
|
|
|
|
@QtCore.pyqtSlot()
|
|
def disconnectIRC(self):
|
|
self.send_irc.quit(f"{_pcVersion} <3")
|
|
self._end = True
|
|
self.close()
|
|
|
|
def notice(self, nick, chan, msg):
|
|
"""Standard IRC 'NOTICE' message, primarily used for automated replies from services."""
|
|
handle = nick[0 : nick.find("!")]
|
|
PchumLog.info('---> recv "NOTICE {} :{}"'.format(handle, msg))
|
|
if (
|
|
handle == "ChanServ"
|
|
and chan == self.mainwindow.profile().handle
|
|
and msg[0:2] == "[#"
|
|
):
|
|
self.memoReceived.emit(msg[1 : msg.index("]")], handle, msg)
|
|
else:
|
|
self.noticeReceived.emit(handle, msg)
|
|
|
|
def metadata(self, target, nick, key, visibility, value):
|
|
"""METADATA DRAFT metadata message from server.
|
|
|
|
The format of the METADATA server notication is:
|
|
METADATA <Target> <Key> <Visibility> <Value>
|
|
"""
|
|
if key.lower() == "mood":
|
|
try:
|
|
mood = Mood(int(value))
|
|
self.moodUpdated.emit(nick, mood)
|
|
except ValueError:
|
|
PchumLog.warning("Invalid mood value, %s, %s", nick, mood)
|
|
elif key.lower() == "color":
|
|
color = QtGui.QColor(value) # Invalid color becomes rgb 0,0,0
|
|
self.colorUpdated.emit(nick, color)
|
|
|
|
def tagmsg(self, prefix, tags, *args):
|
|
"""IRCv3 'TAGMSG' message/command, contains a tag without a command.
|
|
|
|
For reference see:
|
|
https://ircv3.net/specs/extensions/message-tags.html#the-tagmsg-tag-only-message
|
|
"""
|
|
PchumLog.info("TAGMSG: %s %s %s", prefix, tags, args)
|
|
message_tags = tags[1:].split(";")
|
|
for tag in message_tags:
|
|
if tag.startswith("+pesterchum"):
|
|
# Pesterchum tag
|
|
try:
|
|
key, value = tag.split("=")
|
|
except ValueError:
|
|
return
|
|
PchumLog.info("Pesterchum tag: %s=%s", key, value)
|
|
# PESTERCHUM: syntax check
|
|
if value in ["BEGIN", "BLOCK", "CEASE", "BLOCK", "BLOCKED", "UNBLOCK", "IDLE", "ME"]:
|
|
# Process like it's a PESTERCHUM: PRIVMSG
|
|
msg = "PESTERCHUM:" + value
|
|
self.privmsg(prefix, args[0], msg)
|
|
elif value.startswith("COLOR>"):
|
|
# Process like it's a COLOR >0,0,0 PRIVMSG
|
|
msg = value.replace(">", " >")
|
|
self.privmsg(prefix, args[0], msg)
|
|
elif value.startswith("TIME>"):
|
|
# Process like it's a PESTERCHUM:TIME> PRIVMSG
|
|
msg = "PESTERCHUM:" + value
|
|
self.privmsg(prefix, args[0], msg)
|
|
else:
|
|
# Invalid syntax
|
|
PchumLog.warning("TAGMSG with invalid syntax.")
|
|
|
|
def ping(self, _prefix, token):
|
|
"""'PING' command from server, we respond with PONG and a matching token."""
|
|
self.send_irc.pong(token)
|
|
|
|
def error(self, *params):
|
|
"""'ERROR' message from server, the server is terminating our connection."""
|
|
self.stopIRC = " ".join(params).strip()
|
|
self.disconnectIRC()
|
|
|
|
def privmsg(self, nick, chan, msg):
|
|
"""'PRIVMSG' message from server, the standard message."""
|
|
handle = nick[0 : nick.find("!")]
|
|
if not msg: # Length 0
|
|
return
|
|
# CTCP
|
|
# ACTION, IRC /me (The CTCP kind)
|
|
if msg[0:8] == "\x01ACTION ":
|
|
msg = "/me" + msg[7:-1]
|
|
# CTCPs that don't need to be shown
|
|
elif msg[0] == "\x01":
|
|
PchumLog.info('---> recv "CTCP {} :{}"'.format(handle, msg[1:-1]))
|
|
# VERSION, return version
|
|
if msg[1:-1].startswith("VERSION"):
|
|
self.send_irc.ctcp(handle, "VERSION", "Pesterchum %s" % (_pcVersion))
|
|
# CLIENTINFO, return supported CTCP commands.
|
|
elif msg[1:-1].startswith("CLIENTINFO"):
|
|
self.send_irc.ctcp(
|
|
handle,
|
|
"CLIENTINFO",
|
|
"ACTION VERSION CLIENTINFO PING SOURCE NOQUIRKS GETMOOD",
|
|
)
|
|
# PING, return pong
|
|
elif msg[1:-1].startswith("PING"):
|
|
if len(msg[1:-1].split("PING ")) > 1:
|
|
self.send_irc.ctcp(handle, "PING", msg[1:-1].split("PING ")[1])
|
|
else:
|
|
self.send_irc.ctcp(handle, "PING")
|
|
# SOURCE, return source
|
|
elif msg[1:-1].startswith("SOURCE"):
|
|
self.send_irc.ctcp(
|
|
handle,
|
|
"SOURCE",
|
|
"https://github.com/Dpeta/pesterchum-alt-servers",
|
|
)
|
|
# ???
|
|
elif msg[1:-1].startswith("NOQUIRKS") and chan[0] == "#":
|
|
op = nick[0 : nick.find("!")]
|
|
self.quirkDisable.emit(chan, msg[10:-1], op)
|
|
# GETMOOD via CTCP
|
|
elif msg[1:-1].startswith("GETMOOD"):
|
|
# GETMOOD via CTCP
|
|
# Maybe we can do moods like this in the future...
|
|
mymood = self.mainwindow.profile().mood.value()
|
|
self.send_irc.ctcp(handle, "MOOD >%d" % (mymood))
|
|
# Backwards compatibility
|
|
self.send_irc.privmsg("#pesterchum", "MOOD >%d" % (mymood))
|
|
return
|
|
|
|
if chan != "#pesterchum":
|
|
# We don't need anywhere near that much spam.
|
|
PchumLog.info('---> recv "PRIVMSG {} :{}"'.format(handle, msg))
|
|
|
|
if chan == "#pesterchum":
|
|
# follow instructions
|
|
if msg[0:6] == "MOOD >":
|
|
try:
|
|
mood = Mood(int(msg[6:]))
|
|
except ValueError:
|
|
mood = Mood(0)
|
|
self.moodUpdated.emit(handle, mood)
|
|
elif msg[0:7] == "GETMOOD":
|
|
mychumhandle = self.mainwindow.profile().handle
|
|
mymood = self.mainwindow.profile().mood.value()
|
|
if msg.find(mychumhandle, 8) != -1:
|
|
self.send_irc.privmsg("#pesterchum", "MOOD >%d" % (mymood))
|
|
elif chan[0] == "#":
|
|
if msg[0:16] == "PESTERCHUM:TIME>":
|
|
self.timeCommand.emit(chan, handle, msg[16:])
|
|
else:
|
|
self.memoReceived.emit(chan, handle, msg)
|
|
else:
|
|
# private message
|
|
# silently ignore messages to yourself.
|
|
if handle == self.mainwindow.profile().handle:
|
|
return
|
|
if msg[0:7] == "COLOR >":
|
|
colors = msg[7:].split(",")
|
|
try:
|
|
colors = [int(d) for d in colors]
|
|
except ValueError as e:
|
|
PchumLog.warning(e)
|
|
colors = [0, 0, 0]
|
|
PchumLog.debug("colors: " + str(colors))
|
|
color = QtGui.QColor(*colors)
|
|
self.colorUpdated.emit(handle, color)
|
|
else:
|
|
self.messageReceived.emit(handle, msg)
|
|
|
|
def quit(self, nick, reason):
|
|
"""QUIT message from server, a client has quit the server."""
|
|
handle = nick[0 : nick.find("!")]
|
|
PchumLog.info('---> recv "QUIT %s: %s"', handle, reason)
|
|
if handle == self.mainwindow.randhandler.randNick:
|
|
self.mainwindow.randhandler.setRunning(False)
|
|
server = self.mainwindow.config.server()
|
|
baseserver = server[server.rfind(".", 0, server.rfind(".")) :]
|
|
if reason.count(baseserver) == 2:
|
|
self.userPresentUpdate.emit(handle, "", "netsplit")
|
|
else:
|
|
self.userPresentUpdate.emit(handle, "", "quit")
|
|
self.moodUpdated.emit(handle, Mood("offline"))
|
|
|
|
def kick(self, opnick, channel, handle, reason):
|
|
"""'KICK' message from server, someone got kicked from a channel."""
|
|
op = opnick[0 : opnick.find("!")]
|
|
self.userPresentUpdate.emit(handle, channel, f"kick:{op}:{reason}")
|
|
# ok i shouldnt be overloading that but am lazy
|
|
|
|
def part(self, nick, channel, _reason="nanchos"):
|
|
"""'PART' message from server, someone left a channel."""
|
|
handle = nick[0 : nick.find("!")]
|
|
PchumLog.info('---> recv "PART {}: {}"'.format(handle, channel))
|
|
self.userPresentUpdate.emit(handle, channel, "left")
|
|
if channel == "#pesterchum":
|
|
self.moodUpdated.emit(handle, Mood("offline"))
|
|
|
|
def join(self, nick, channel):
|
|
"""'JOIN' message from server, someone joined a channel."""
|
|
handle = nick[0 : nick.find("!")]
|
|
PchumLog.info('---> recv "JOIN {}: {}"'.format(handle, channel))
|
|
self.userPresentUpdate.emit(handle, channel, "join")
|
|
if channel == "#pesterchum":
|
|
if handle == self.mainwindow.randhandler.randNick:
|
|
self.mainwindow.randhandler.setRunning(True)
|
|
self.moodUpdated.emit(handle, Mood("chummy"))
|
|
|
|
def mode(self, op, channel, mode, *handles):
|
|
"""'MODE' message from server, a user or a channel's mode changed."""
|
|
PchumLog.debug(
|
|
"mode(op=%s, channel=%s, mode=%s, handles=%s)", op, channel, mode, handles
|
|
)
|
|
if not handles:
|
|
handles = [""]
|
|
# opnick = op[0 : op.find("!")]
|
|
# Channel section
|
|
# This might be clunky with non-unrealircd IRC servers
|
|
channel_mode = ""
|
|
unrealircd_channel_modes = "cCdfGHikKLlmMNnOPpQRrsSTtVzZ"
|
|
if any(md in mode for md in unrealircd_channel_modes):
|
|
PchumLog.debug("Channel mode in string.")
|
|
modes = list(self.mainwindow.modes)
|
|
for md in unrealircd_channel_modes:
|
|
if mode.find(md) != -1: # -1 means not found
|
|
if mode[0] == "+":
|
|
modes.extend(md)
|
|
channel_mode = "+" + md
|
|
elif mode[0] == "-":
|
|
try:
|
|
modes.remove(md)
|
|
channel_mode = "-" + md
|
|
except ValueError:
|
|
PchumLog.warning(
|
|
"Can't remove channel mode that isn't set."
|
|
)
|
|
self.userPresentUpdate.emit(
|
|
"", channel, f"{channel_mode}:{op}"
|
|
)
|
|
PchumLog.debug("pre-mode=%s", mode)
|
|
mode = mode.replace(md, "")
|
|
PchumLog.debug("post-mode=%s", mode)
|
|
modes.sort()
|
|
self.mainwindow.modes = "+" + "".join(modes)
|
|
|
|
modes = []
|
|
cur = "+"
|
|
for l in mode:
|
|
if l in ["+", "-"]:
|
|
cur = l
|
|
else:
|
|
modes.append(f"{cur}{l}")
|
|
for i, m in enumerate(modes):
|
|
# Server-set usermodes don't need to be passed.
|
|
if handles == [""] and not ("x" in m or "z" in m or "o" in m or "x" in m):
|
|
try:
|
|
self.userPresentUpdate.emit(handles[i], channel, m + f":{op}")
|
|
except IndexError as e:
|
|
PchumLog.exception("modeSetIndexError: %s", e)
|
|
|
|
def invite(self, sender, _you, channel):
|
|
"""'INVITE' message from server, someone invited us to a channel.
|
|
|
|
Pizza party everyone invited!!!"""
|
|
handle = sender.split("!")[0]
|
|
self.inviteReceived.emit(handle, channel)
|
|
|
|
def nick(self, oldnick, newnick, _hopcount=0):
|
|
"""'NICK' message from server, signifies a nick change.
|
|
|
|
Is send when our or someone else's nick got changed willingly or unwillingly."""
|
|
PchumLog.info(oldnick, newnick)
|
|
# svsnick
|
|
if oldnick == self.mainwindow.profile().handle:
|
|
# Server changed our handle, svsnick?
|
|
self.getSvsnickedOn.emit(oldnick, newnick)
|
|
|
|
# etc.
|
|
oldhandle = oldnick[0 : oldnick.find("!")]
|
|
if self.mainwindow.profile().handle in [newnick, oldhandle]:
|
|
self.myHandleChanged.emit(newnick)
|
|
newchum = PesterProfile(newnick, chumdb=self.mainwindow.chumdb)
|
|
self.moodUpdated.emit(oldhandle, Mood("offline"))
|
|
self.userPresentUpdate.emit(f"{oldhandle}:{newnick}", "", "nick")
|
|
if newnick in self.mainwindow.chumList.chums:
|
|
self.getMood(newchum)
|
|
if oldhandle == self.mainwindow.randhandler.randNick:
|
|
self.mainwindow.randhandler.setRunning(False)
|
|
elif newnick == self.mainwindow.randhandler.randNick:
|
|
self.mainwindow.randhandler.setRunning(True)
|
|
|
|
def welcome(self, server, nick, msg):
|
|
"""Numeric reply 001 RPL_WELCOME, send when we've connected to the server."""
|
|
self.setConnected()
|
|
# mychumhandle = self.mainwindow.profile().handle
|
|
mymood = self.mainwindow.profile().mood.value()
|
|
color = self.mainwindow.profile().color
|
|
if not self.mainwindow.config.lowBandwidth():
|
|
# Negotiate capabilities
|
|
self.send_irc.cap("REQ", "message-tags")
|
|
self.send_irc.cap(
|
|
self, "REQ", "draft/metadata-notify-2"
|
|
) # <--- Not required in the unreal5 module implementation
|
|
self.send_irc.cap(
|
|
self, "REQ", "pesterchum-tag"
|
|
) # <--- Currently not using this
|
|
#time.sleep(0.413 + 0.097) # <--- somehow, this actually helps.
|
|
self.send_irc.join("#pesterchum")
|
|
# Moods via metadata
|
|
self.send_irc.metadata("*", "sub", "mood")
|
|
self.send_irc.metadata("*", "set", "mood", str(mymood))
|
|
# Color via metadata
|
|
self.send_irc.metadata("*", "sub", "color")
|
|
self.send_irc.metadata("*", "set", "color", str(color.name()))
|
|
# Backwards compatible moods
|
|
self.send_irc.privmsg("#pesterchum", "MOOD >%d" % (mymood))
|
|
|
|
def featurelist(self, _target, _handle, *params):
|
|
"""Numerical reply 005 RPL_ISUPPORT to communicate supported server features.
|
|
|
|
Not in the original specification.
|
|
Metadata support could be confirmed via CAP ACK/CAP NEK.
|
|
"""
|
|
features = params[:-1]
|
|
PchumLog.info("Server featurelist: %s", features)
|
|
for x in features:
|
|
if x.upper().startswith("METADATA"):
|
|
PchumLog.info("Server supports metadata.")
|
|
self.metadata_supported = True
|
|
|
|
def cap(self, server, nick, subcommand, tag):
|
|
"""IRCv3 capabilities command from server.
|
|
|
|
See: https://ircv3.net/specs/extensions/capability-negotiation
|
|
"""
|
|
PchumLog.info("CAP %s %s %s %s", server, nick, subcommand, tag)
|
|
# if tag == "message-tags":
|
|
# if subcommand == "ACK":
|
|
|
|
def umodeis(self, _server, _handle, modes):
|
|
"""Numeric reply 221 RPL_UMODEIS, shows us our user modes."""
|
|
self.mainwindow.modes = modes
|
|
|
|
def liststart(self, _server, _handle, *info):
|
|
"""Numeric reply 321 RPL_LISTSTART, start of list of channels."""
|
|
self.channel_list = []
|
|
info = list(info)
|
|
self.channel_field = info.index("Channel") # dunno if this is protocol
|
|
PchumLog.info('---> recv "CHANNELS: %s ', self.channel_field)
|
|
|
|
def list(self, _server, _handle, *info):
|
|
"""Numeric reply 322 RPL_LIST, returns part of the list of channels."""
|
|
channel = info[self.channel_field]
|
|
usercount = info[1]
|
|
if channel not in self.channel_list and channel != "#pesterchum":
|
|
self.channel_list.append((channel, usercount))
|
|
PchumLog.info('---> recv "CHANNELS: %s ', channel)
|
|
|
|
def listend(self, _server, _handle, _msg):
|
|
"""Numeric reply 323 RPL_LISTEND, end of a series of LIST replies."""
|
|
PchumLog.info('---> recv "CHANNELS END"')
|
|
self.channelListReceived.emit(PesterList(self.channel_list))
|
|
self.channel_list = []
|
|
|
|
def channelmodeis(self, _server, _handle, channel, modes, _mode_params=""):
|
|
"""Numeric reply 324 RPL_CHANNELMODEIS, gives channel modes."""
|
|
self.modesUpdated.emit(channel, modes)
|
|
|
|
def namreply(self, _server, _nick, _op, channel, names):
|
|
"""Numeric reply 353 RPL_NAMREPLY, part of a NAMES list of members, usually of a channel."""
|
|
namelist = names.split(" ")
|
|
PchumLog.info('---> recv "NAMES %s: %s names"', channel, len(namelist))
|
|
if not hasattr(self, "channelnames"):
|
|
self.channelnames = {}
|
|
if channel not in self.channelnames:
|
|
self.channelnames[channel] = []
|
|
self.channelnames[channel].extend(namelist)
|
|
|
|
def endofnames(self, _server, _nick, channel, _msg):
|
|
"""Numeric reply 366 RPL_ENDOFNAMES, end of NAMES list of members, usually of a channel."""
|
|
try:
|
|
namelist = self.channelnames[channel]
|
|
except KeyError:
|
|
# EON seems to return with wrong capitalization sometimes?
|
|
for channel_name in self.channelnames:
|
|
if channel.casefold() == channel_name.casefold():
|
|
channel = channel_name
|
|
namelist = self.channelnames[channel]
|
|
del self.channelnames[channel]
|
|
self.namesReceived.emit(channel, PesterList(namelist))
|
|
if channel == "#pesterchum" and not self.joined:
|
|
self.joined = True
|
|
self.mainwindow.randhandler.setRunning(
|
|
self.mainwindow.randhandler.randNick in namelist
|
|
)
|
|
chums = self.mainwindow.chumList.chums
|
|
lesschums = []
|
|
for chum in chums:
|
|
if chum.handle in namelist:
|
|
lesschums.append(chum)
|
|
self.getMood(*lesschums)
|
|
|
|
def cannotsendtochan(self, _server, _handle, channel, msg):
|
|
"""Numeric reply 404 ERR_CANNOTSENDTOCHAN, we aren't in the channel or don't have voice."""
|
|
self.cannotSendToChan.emit(channel, msg)
|
|
|
|
def erroneusnickname(self, *args):
|
|
"""Numeric reply 432 ERR_ERRONEUSNICKNAME, we have a forbidden or protocol-breaking nick."""
|
|
# Server is not allowing us to connect.
|
|
reason = "Handle is not allowed on this server.\n" + " ".join(args)
|
|
self.stopIRC = reason.strip()
|
|
self.disconnectIRC()
|
|
|
|
def nicknameinuse(self, _server, _cmd, nick, _msg):
|
|
"""Numerical reply 433 ERR_NICKNAMEINUSE, raised when changing nick to nick in use."""
|
|
newnick = "pesterClient%d" % (random.randint(100, 999))
|
|
self.send_irc.nick(newnick)
|
|
self.nickCollision.emit(nick, newnick)
|
|
|
|
def nickcollision(self, _server, _cmd, nick, _msg):
|
|
"""Numerical reply 436 ERR_NICKCOLLISION, raised during connect when nick is in use."""
|
|
newnick = "pesterClient%d" % (random.randint(100, 999))
|
|
self.send_irc.nick(newnick)
|
|
self.nickCollision.emit(nick, newnick)
|
|
|
|
def forbiddenchannel(self, _server, handle, channel, msg):
|
|
"""Numeric reply 448 'forbiddenchannel' reply, channel is forbidden.
|
|
|
|
Not in the specification but used by UnrealIRCd."""
|
|
self.signal_forbiddenchannel.emit(channel, msg)
|
|
self.userPresentUpdate.emit(handle, channel, "left")
|
|
|
|
def inviteonlychan(self, _server, _handle, channel, _msg):
|
|
"""Numeric reply 473 ERR_INVITEONLYCHAN, can't join channel (+i)."""
|
|
self.chanInviteOnly.emit(channel)
|
|
|
|
def keyvalue(self, target, handle_us, handle_owner, key, visibility, *value):
|
|
"""METADATA DRAFT numeric reply 761 RPL_KEYVALUE, we received the value of a key.
|
|
|
|
The format of the METADATA server notication is:
|
|
METADATA <Target> <Key> <Visibility> <Value>
|
|
"""
|
|
if key == "mood":
|
|
mood = Mood(int(value[0]))
|
|
self.moodUpdated.emit(handle_owner, mood)
|
|
|
|
def nomatchingkey(self, _target, _our_handle, failed_handle, _key, *_error):
|
|
"""METADATA DRAFT numeric reply 766 ERR_NOMATCHINGKEY, no matching key."""
|
|
PchumLog.info("nomatchingkey: %s", failed_handle)
|
|
# No point in GETMOOD-ing services
|
|
# Fallback to the normal GETMOOD method if getting mood via metadata fails.
|
|
if failed_handle.casefold() not in SERVICES:
|
|
self.send_irc.privmsg("#pesterchum", f"GETMOOD {failed_handle}")
|
|
|
|
def keynotset(self, _target, _our_handle, failed_handle, _key, *_error):
|
|
"""METADATA DRAFT numeric reply 768 ERR_KEYNOTSET, key isn't set."""
|
|
PchumLog.info("nomatchingkey: %s", failed_handle)
|
|
# Fallback to the normal GETMOOD method if getting mood via metadata fails.
|
|
if failed_handle.casefold() not in SERVICES:
|
|
self.send_irc.privmsg("#pesterchum", f"GETMOOD {failed_handle}")
|
|
|
|
def keynopermission(self, _target, _our_handle, failed_handle, _key, *_error):
|
|
"""METADATA DRAFT numeric reply 769 ERR_KEYNOPERMISSION, no permission for key."""
|
|
PchumLog.info("nomatchingkey: %s", failed_handle)
|
|
# Fallback to the normal GETMOOD method if getting mood via metadata fails.
|
|
if failed_handle.casefold() not in SERVICES:
|
|
self.send_irc.privmsg("#pesterchum", f"GETMOOD {failed_handle}")
|
|
|
|
def metadatasubok(self, *params):
|
|
""""METADATA DRAFT numeric reply 770 RPL_METADATASUBOK, we subbed to a key."""
|
|
PchumLog.info("metadatasubok: %s", params)
|
|
|
|
def run_command(self, command, *args):
|
|
"""Finds and runs a command."""
|
|
PchumLog.debug("run_command %s(%s)", command, args)
|
|
try:
|
|
command_function = self.commands[command]
|
|
except KeyError:
|
|
PchumLog.warning("No matching function for command: %s(%s)", command, args)
|
|
return
|
|
|
|
try:
|
|
command_function(*args)
|
|
except TypeError:
|
|
PchumLog.exception("Failed to pass command, did the server pass an unsupported paramater?")
|
|
except Exception:
|
|
PchumLog.exception("Exception while parsing command.")
|
|
|
|
moodUpdated = QtCore.pyqtSignal("QString", Mood)
|
|
colorUpdated = QtCore.pyqtSignal("QString", QtGui.QColor)
|
|
messageReceived = QtCore.pyqtSignal("QString", "QString")
|
|
memoReceived = QtCore.pyqtSignal("QString", "QString", "QString")
|
|
noticeReceived = QtCore.pyqtSignal("QString", "QString")
|
|
inviteReceived = QtCore.pyqtSignal("QString", "QString")
|
|
timeCommand = QtCore.pyqtSignal("QString", "QString", "QString")
|
|
namesReceived = QtCore.pyqtSignal("QString", PesterList)
|
|
channelListReceived = QtCore.pyqtSignal(PesterList)
|
|
nickCollision = QtCore.pyqtSignal("QString", "QString")
|
|
getSvsnickedOn = QtCore.pyqtSignal("QString", "QString")
|
|
myHandleChanged = QtCore.pyqtSignal("QString")
|
|
chanInviteOnly = QtCore.pyqtSignal("QString")
|
|
modesUpdated = QtCore.pyqtSignal("QString", "QString")
|
|
connected = QtCore.pyqtSignal()
|
|
askToConnect = QtCore.pyqtSignal(Exception)
|
|
userPresentUpdate = QtCore.pyqtSignal("QString", "QString", "QString")
|
|
cannotSendToChan = QtCore.pyqtSignal("QString", "QString")
|
|
quirkDisable = QtCore.pyqtSignal("QString", "QString", "QString")
|
|
signal_forbiddenchannel = QtCore.pyqtSignal("QString", "QString")
|
|
|
|
class SendIRC:
|
|
"""Provides functions for outgoing IRC commands."""
|
|
def __init__(self):
|
|
self.socket = None # INET socket connected with server.
|
|
|
|
def send(self, *args: str, text=None):
|
|
"""Send a command to the IRC server.
|
|
|
|
Takes either a string or a list of strings.
|
|
The 'text' argument is for the final parameter, which can have spaces."""
|
|
# Return if disconnected
|
|
if not self.socket or self.socket.fileno() == -1:
|
|
PchumLog.error(
|
|
"Send attempted while disconnected, args: %s, text: %s.", args, text
|
|
)
|
|
return
|
|
|
|
command = ""
|
|
# Convert command arguments to a single string if passed.
|
|
if args:
|
|
command += " ".join(args)
|
|
# If text is passed, add ':' to imply everything after it is one parameter.
|
|
if text:
|
|
command += f" :{text}"
|
|
# Add characters for end of line in IRC.
|
|
command += "\r\n"
|
|
# UTF-8 is the prefered encoding in 2023.
|
|
outgoing_bytes = command.encode(encoding="utf-8", errors="replace")
|
|
|
|
try:
|
|
PchumLog.debug("Sending: %s", command)
|
|
self.socket.send(outgoing_bytes)
|
|
except OSError:
|
|
PchumLog.exception("Error while sending: '%s'", command.strip())
|
|
self.socket.close()
|
|
|
|
def ping(self, token):
|
|
"""Send PING command to server to check for connectivity."""
|
|
self.send("PING", text=token)
|
|
|
|
def pong(self, token):
|
|
"""Send PONG command to reply to server PING."""
|
|
self.send("PONG", token)
|
|
|
|
def nick(self, nick):
|
|
"""Send USER command to communicate nick to server."""
|
|
self.send("NICK", nick)
|
|
|
|
def user(self, username, realname):
|
|
"""Send USER command to communicate username and realname to server."""
|
|
self.send("USER", username, "0", "*", text=realname)
|
|
|
|
def privmsg(self, target, text):
|
|
"""Send PRIVMSG command to send a message."""
|
|
for line in text.split("\n"):
|
|
self.send("PRIVMSG", target, text=line)
|
|
|
|
def names(self, channel):
|
|
"""Send NAMES command to view channel members."""
|
|
self.send("NAMES", channel)
|
|
|
|
def kick(self, channel, user, reason=""):
|
|
"""Send KICK command to force user from channel."""
|
|
if reason:
|
|
self.send(f"KICK {channel} {user}", text=reason)
|
|
else:
|
|
self.send(f"KICK {channel} {user}")
|
|
|
|
def mode(self, target, modestring="", mode_arguments=""):
|
|
"""Set or remove modes from target."""
|
|
outgoing_mode = " ".join([target, modestring, mode_arguments]).strip()
|
|
self.send("MODE", outgoing_mode)
|
|
|
|
def ctcp(self, target, command, msg=""):
|
|
"""Send Client-to-Client Protocol message."""
|
|
outgoing_ctcp = " ".join(
|
|
[command, msg]
|
|
).strip() # Extra spaces break protocol, so strip.
|
|
self.privmsg(target, f"\x01{outgoing_ctcp}\x01")
|
|
|
|
def metadata(self, target, subcommand, *params):
|
|
"""Send Metadata command to get or set metadata.
|
|
|
|
See IRC metadata draft specification:
|
|
https://gist.github.com/k4bek4be/92c2937cefd49990fbebd001faf2b237
|
|
"""
|
|
self.send("METADATA", target, subcommand, *params)
|
|
|
|
def cap(self, subcommand, *params):
|
|
"""Send IRCv3 CAP command for capability negotiation.
|
|
|
|
See: https://ircv3.net/specs/extensions/capability-negotiation.html"""
|
|
self.send("CAP", subcommand, *params)
|
|
|
|
def join(self, channel, key=""):
|
|
"""Send JOIN command to join a channel/memo.
|
|
|
|
Keys or joining multiple channels is possible in the specification, but unused.
|
|
"""
|
|
channel_and_key = " ".join([channel, key]).strip()
|
|
self.send("JOIN", channel_and_key)
|
|
|
|
def part(self, channel):
|
|
"""Send PART command to leave a channel/memo.
|
|
|
|
Providing a reason or leaving multiple channels is possible in the specification.
|
|
"""
|
|
self.send("PART", channel)
|
|
|
|
def notice(self, target, text):
|
|
"""Send a NOTICE to a user or channel."""
|
|
self.send("NOTICE", target, text=text)
|
|
|
|
def invite(self, nick, channel):
|
|
"""Send INVITE command to invite a user to a channel."""
|
|
self.send("INVITE", nick, channel)
|
|
|
|
def away(self, text=None):
|
|
"""AWAY command to mark client as away or no longer away.
|
|
|
|
No 'text' parameter means the client is no longer away."""
|
|
if text:
|
|
self.send("AWAY", text=text)
|
|
else:
|
|
self.send("AWAY")
|
|
|
|
def list(self):
|
|
"""Send LIST command to get list of channels."""
|
|
self.send("LIST")
|
|
|
|
def quit(self, reason=""):
|
|
"""Send QUIT to terminate connection."""
|
|
self.send("QUIT", text=reason)
|