#!/usr/bin/python3
__version__ = "0.0.5"
print(f"Codename IRCat v{__version__}")
print("Welcome! /ᐠ ˵> ⩊ <˵マ")
import socket, time, ssl, threading, traceback, sys, subprocess, yaml, sqlite3, os, importlib, datetime
from OpenSSL import SSL
from requests import get
if not len(sys.argv) == 2:
print("IRCat requires the following arguments: config.yml")
sys.exit(1)
server = "127.0.0.1"
displayname = "foo"
identifier = "somewhere in the universe"
admin_nick = "admin"
data_path = ""
motd = """
____ _ ___ ____ ____ _
/ ___|___ __| | ___ _ __ __ _ _ __ ___ ___ |_ _| _ \ / ___|__ _| |_
| | / _ \ / _` |/ _ \ '_ \ / _` | '_ ` _ \ / _ \ | || |_) | | / _` | __|
| |__| (_) | (_| | __/ | | | (_| | | | | | | __/ | || _ <| |__| (_| | |_
\____\___/ \__,_|\___|_| |_|\__,_|_| |_| |_|\___| |___|_| \_\\\\____\__,_|\__|
https://ircat.xyz
This server doesn't have a MOTD in its configuration, or is invalid."""
motd_file = None
ping_timeout = 255
restrict_ip = ''
def isalphanumeric(text:str, channel=False):
alphanumericity = list("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890+-_[]^\\|<>?`" + ("$%*,./~'\"{};#=" if channel else ""))
for i in text:
if not i in alphanumericity:
return False
return True
def getident(hostt:str, clientport:int, ssll:bool):
try:
identsender = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
identsender.settimeout(5)
responsee = ""
try:
identsender.connect((hostt, 113))
except Exception as ex:
return {"success": False, "response": f"Could not connect to your ident server: {ex}"}
serverport = "6697" if ssll else "6667"
try:
identsender.sendall(bytes(f"{clientport}, {serverport}\r\n", "UTF-8"))
responsee = identsender.recv(2048).decode().replace(" ", "").replace("\r", "").replace("\n", "")
print(responsee)
except Exception as ex:
return {"success": False, "response": f"Could not send packets to your server: {ex}"}
if "ERROR:NO-USER" in responsee:
return {"success": False, "response": "No user was found by the server."}
elif "ERROR:" in responsee:
return {"success": False, "response": "The ident server had an error."}
elif responsee == "":
return {"success": False, "response": "The connection was closed."}
else:
print(responsee.split(",")[0])
print(responsee.split(",")[1].split(":")[0])
if responsee.split(",")[0] != str(clientport):
return {"success": False, "response": "The ident server sent an invalid client port."}
elif responsee.split(",")[1].split(":")[0] != serverport:
return {"success": False, "response": "The ident server doesn't know what the server port is."}
else:
return {"success": True, "response": responsee.split(",")[1].split(":")[3]}
return {"success": False, "response": "Unknown error."}
except:
print(traceback.format_exc())
return {"success": False, "response": "Unknown error."}
global mods
mods = {"sql_provider": None, "command": [], "allsocket": [], "identified": False, "ssl": False}
with open(sys.argv[1], 'r') as file:
global data2
data = yaml.safe_load(file)
data2 = data
try: server = data["host"]
except: print("using fallback server address")
try: displayname = data["name"]
except: print("using fallback display name")
try: identifier = data["identifier"]
except: print("using fallback identifier")
try: admin_nick = data["admin-nick"]
except: print("using fallback admin nick")
try: motd = data["motd"]
except: print("using fallback MOTD")
try: motd_file = data["motd-file"]
except: print("Not reading MOTD from a file.")
try: ping_timeout = int(data["ping-timeout"])
except: print("Using 255 as a ping timeout.")
try: restrict_ip = data["restrict-ip"]
except: print("Listening on all hosts possible.")
try: ssl_option = bool(data["ssl"])
except:
print("SSL will be off.")
ssl_option = False
if ssl_option:
try: ssl_cert = data["ssl_cert"]
except:
print("IRCat needs an SSL cert to use SSL!")
sys.exit(1)
try: ssl_pkey = data["ssl_pkey"]
except:
print("IRCat needs an SSL Private Key to use SSL!")
try: modules = data["modules"]
except:
print("IRCat needs at least one module enabled.")
sys.exit(1)
file.close()
print("Successfully loaded config!")
for mod in modules:
i = mod
if not os.path.isabs(i):
i = os.path.dirname(__file__) + "/modules/" + i
try:
print(f"Importing module {mod}...")
spc = importlib.util.spec_from_file_location(mod, f"{i}.py")
temp_module = importlib.util.module_from_spec(spc)
spc.loader.exec_module(temp_module)
for j in temp_module.__ircat_requires__:
if not j in data:
raise Exception(f"Module {mod} requires {j} in configuration.")
if temp_module.__ircat_type__ == "sql.provider":
if mods["sql_provider"] == None:
mods["sql_provider"] = temp_module
else:
raise Exception(f"Tried to import {mod} as an SQL provider, but something's already the SQL provider.")
elif temp_module.__ircat_type__ == "command":
mods["command"].append(temp_module)
elif temp_module.__ircat_type__ == "allsocket":
mods["allsocket"].append(temp_module)
except:
print(f"Module {i} failed to load.")
print(traceback.format_exc())
sys.exit(1)
global topic_list
topic_list = {}
channels_list = {} # Store channels and their user lists
if mods["sql_provider"] == None:
print("IRCat needs an SQL provider.")
sys.exit(1)
sqlproviderequires = {}
for i in mods["sql_provider"].__ircat_requires__:
sqlproviderequires[i.replace("-", "_")] = data[i]
config = mods["sql_provider"].broker(**sqlproviderequires)
global socketListeners
socketListeners = []
for i in mods['allsocket']:
requires = {}
for j in i.__ircat_requires__:
requires[j.replace("-", "_")] = data[j]
if "sql" in i.__ircat_giveme__:
requires["sql"] = config
try:
print(i.__ircat_fakechannels__)
topic_list = {**topic_list, **i.__ircat_fakechannels__}
for j, v in i.__ircat_fakechannels__.items():
channels_list[j] = ["CatServ"]
except Exception as ex:
print(str(ex))
socketListeners.append(i.IRCatModule(**requires))
commandProviders = []
nickname_list = {} # Stores nicknames and the respective sockets
lower_nicks = {"catserv": "CatServ"} # Nicknames in lowercase
property_list = {"CatServ": {"host": "IRCatCore", "username": "Meow", "realname": "Updates bot", "modes": "iw", "away": False}} # Stores properties for active users and channels
for i in mods['command']:
requires = {}
for j in i.__ircat_requires__:
requires[j.replace("-", "_")] = data[j]
if "sql" in i.__ircat_giveme__:
requires["sql"] = config
try:
print(i.__ircat_fakeusers__)
property_list = {**property_list, **i.__ircat_fakeusers__}
for j, v in i.__ircat_fakeusers__.items():
lower_nicks[j.lower()] = j
except Exception as ex:
print(str(ex))
commandProviders.append(i.IRCatModule(**requires))
sockets = {}
sockets_ssl = {}
# Open the specified non-SSL sockets.
for i in restrict_ip.split(" "):
sockets[i] = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sockets[i].setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sockets[i].settimeout(None)
sockets[i].bind((i,6667))
sockets[i].listen(1)
if ssl_option:
for i in restrict_ip.split(" "):
sockets_ssl[i] = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sockets_ssl[i].setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sockets_ssl[i].settimeout(None)
sockets_ssl[i].bind((i,6697))
sockets_ssl[i].listen(1)
opened=True
lower_chans = {} # Channel names in lowercase
def pinger(nick, connection):
global property_list
while nick in property_list:
if (time.time() - property_list[nick]["last_ping"]) > 30 and not property_list[nick]["ping_pending"]:
if nick in property_list:
print("Sent ping message to " + nick)
property_list[nick]["ping_pending"] = True
time.sleep(0.5)
try:
connection.sendall(bytes(f"PING {server}\r\n","UTF-8"))
except Exception as ex:
print(traceback.format_exc())
property_list[nick]["cause"] = "Send error: " + str(ex)
print("SHUTTING DOWN FOR " + nick)
connection.shutdown(socket.SHUT_WR)
connection.close()
break
elif property_list[nick]["ping_pending"] and ((time.time() - property_list[nick]["last_ping"]) > ping_timeout):
if nick in property_list:
property_list[nick]["cause"] = f"Ping timeout: {ping_timeout} seconds"
print("SHUTTING DOWN FOR " + nick)
connection.shutdown(socket.SHUT_WR)
connection.close()
break
def session(connection, client, ip, isssl=False):
global property_list
global channels_list
global nickname_list
pending = "*" # The nickname of the client
already_set = False # If the client gave the server a NICK packet
ready = False # If the client gave the server a USER packet
finished = False # If the server gave the client its information, indicating it's ready.
username = "oreo" # Username/ident specified by client
rident = "~oreo" # Real ident
hostname = "" # Hostname, can be IP or domain
realname = "realname" # Realname specified by client
safe_quit = False # If the client safely exited, or if the server should manually drop the connection
cause = "Unknown" # The cause of the unexpected exit
usesIRCv3 = False
CAPEND = False
clident = None
pendingCommands = "" # list of commands that were executed before verification
unfinished = False
textt = ""
pendingSend = "" # Text that should be sent to the client
IRCv3Features = [] # List of Acknowledged IRCv3 features.
def tags(): # Get IRCv3 tags
tags = ""
if "server-time" in IRCv3Features:
tags += "@time=" + datetime.datetime.now(datetime.timezone.utc).isoformat()[:-9] + "Z"
# >>> datetime.datetime.now(datetime.timezone.utc).isoformat()
# '2025-02-05T00:15:50.370474+00:00'
# ^^^^^^^^^
# Cutting these off the string
return tags + (" " if tags != "" else "")
def tags_diffclient(nick:str): # Get tags of another client
othercap = property_list[nick]["v3cap"]
if "server-time" in othercap:
tags += "@time=" + datetime.datetime.now(datetime.timezone.utc).isoformat()[:-9] + "Z"
return tags + (" " if tags != "" else "")
try:
print("Connected to client IP: {}".format(client))
if isssl:
connection.do_handshake()
tlsver = connection.version()
print(f"Got SSL version: {tlsver}")
connection.settimeout(None)
connection.sendall(bytes(f":{server} NOTICE * :*** Looking for your hostname...\r\n","UTF-8"))
connection.sendall(bytes(f":{server} NOTICE * :*** Checking your ident...\r\n","UTF-8"))
try:
hostname = socket.gethostbyaddr(client[0])[0]
connection.sendall(bytes(f":{server} NOTICE * :*** Got hostname! {hostname}\r\n","UTF-8"))
except:
hostname = client[0]
connection.sendall(bytes(f":{server} NOTICE * :*** Oof! Can't find your hostname, using IP...\r\n","UTF-8"))
try:
identQuery = getident(hostname, client[1], isssl)
responseee = identQuery["response"]
print(identQuery)
if not identQuery["success"]:
connection.sendall(bytes(f":{server} NOTICE * :*** Uhm, Couldn't find your ident: {responseee}\r\n","UTF-8"))
else:
connection.sendall(bytes(f":{server} NOTICE * :*** Got ident! {responseee}\r\n","UTF-8"))
clident = responseee
rident = responseee
except:
print(traceback.format_exc())
connection.sendall(bytes(f":{server} NOTICE * :*** Uhm, Couldn't find your ident: Unknown error.\r\n","UTF-8"))
while True:
try:
data = connection.recv(2048)
if not data:
cause = "Remote host closed the connection"
break
except ssl.SSLEOFError:
print("EOF occurred.")
pass
except ssl.SSLZeroReturnError:
print(traceback.format_exc())
cause = "Remote host closed the connection"
break
except Exception as ex:
print(traceback.format_exc())
cause = "Read error: " + str(ex)
break
print("Received data: {}".format(data))
try:
textt += data.decode()
if textt[-1] == "\n":
for text in textt.replace("\r", "").split("\n"):
for i in socketListeners:
if "onSocket" in dir(i):
i.onSocket(socket=connection, ip=client[0], value=text, cachedNick=pending if pending != "*" else None, validated=finished, v3tag=tags())
command = text.split(" ")[0].upper()
try:
args = text.split(" ")[1:]
except:
pass
if command == "NICK" and not finished:
pending = text.split(" ")[1]
if pending[0] == ":": pending = pending[1:]
if not isalphanumeric(pending):
connection.sendall(bytes(f"{tags()}:{server} 432 * {pending} :Erroneus nickname\r\n","UTF-8"))
pending = "*"
elif pending.lower() in lower_nicks:
connection.sendall(bytes(f"{tags()}:{server} 433 * {pending} :Nickname is already in use.\r\n","UTF-8"))
pending = "*"
else:
already_set = True
print(f"User {pending} set nick")
elif command == "USER":
if not ready:
username = text.split(" ")[1]
realname = " ".join(text.split(" ")[4:])[1:]
ready = True
elif command == "CAP":
if args[0].upper() == "LS":
connection.sendall(bytes(f"{tags()}:{server} CAP * LS :server-time\r\n", "UTF-8"))
elif args[0].upper() == "REQ":
usesIRCv3 = True # Halt the registration process until CAP END
capabilities = " ".join(args[1:])[1:].split(" ")
capsuccess = True
for cap in capabilities:
if cap == "server-time":
IRCv3Features.append("server-time")
else:
capsuccess = False
break
if capsuccess:
connection.sendall(bytes(f":{server} CAP * ACK :{capabilities}", "UTF-8"))
elif args[0].upper() == "END":
CAPEND = True
elif command == "WEBIRC" and not finished:
try:
if args[0] == data2["webirc_pass"]:
hostname = args[2]
client = (args[3], client[1])
connection.sendall(bytes(f"{tags()}:{server} NOTICE * :*** WebIRC detected, welcome to IRC!\r\n", "UTF-8"))
if hostname != client[0]:
connection.sendall(bytes(f"{tags()}:{server} NOTICE * :*** Got WebIRC hostname! {hostname}\r\n", "UTF-8"))
except:
print(traceback.format_exc())
break
elif (ready and already_set) and (CAPEND if usesIRCv3 else True) and not finished:
cleanup_manual()
print(f"User {pending} successfully logged in.")
nickname_list[pending] = connection
property_list[pending] = {"host": hostname, "username": clident if clident != None else f"~{username }", "realname": realname, "modes": "iw", "last_ping": time.time(), "ping_pending": False, "away": False, "identified": False, "ssl": isssl, "v3cap": IRCv3Features}
lower_nicks[pending.lower()] = pending
for i in socketListeners:
if "onValidate" in dir(i):
i.onValidate(socket=connection, ip=client[0], v3cap=IRCv3Features)
threading.Thread(target=pinger, args=[pending, connection]).start()
if clident == None:
rident = f"~{username}"
connection.sendall(bytes(f"{tags()}:{server} 001 {pending} :Welcome to the {displayname} Internet Relay Chat Network {pending}\r\n", "UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 002 {pending} :Your host is {server}[{ip}/6667], running version IRCat-v{__version__}\r\n", "UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 004 {pending} {server} IRCat-{__version__} iow msitnR lfovkqb\r\n", "UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 005 {pending} CHANMODES=bq,k,fl,irmnpst CHANTYPES=# NETWORK={displayname} :are supported by this server\r\n", "UTF-8"))
# connection.sendall(bytes(f":{server} 251 {pending} :There are {allusers} users and {allinvis} invisible in {servers} servers\r\n", "UTF-8")) Not supported as there isn't multi-server capability (yet)
ops = 0 # Placeholder, will replace with caclulating how much people have +o
connection.sendall(bytes(f"{tags()}:{server} 252 {pending} {ops} :IRC Operators online\r\n", "UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 253 {pending} 0 :unknown connection(s)\r\n", "UTF-8")) # Replace 0 with a variable of not setup clients.
chans = len(channels_list)
connection.sendall(bytes(f"{tags()}:{server} 254 {pending} {chans} :channels formed\r\n", "UTF-8"))
cleints = len(nickname_list)
servers = 1
connection.sendall(bytes(f"{tags()}:{server} 255 {pending} :I have {cleints} clients and {servers} servers\r\n", "UTF-8"))
# Start the MOTD
if motd_file != None:
motd = open(motd_file).read()
connection.sendall(bytes(f"{tags()}:{server} 375 {pending} :- {server} Message of the Day -\r\n", "UTF-8"))
for i in motd.rstrip().split("\n"):
connection.sendall(bytes(f"{tags()}:{server} 372 {pending} :- {i}\r\n", "UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 376 {pending} :End of /MOTD command\r\n", "UTF-8"))
# End the MOTD
connection.sendall(bytes(f"{tags()}:{pending} MODE {pending} +iw\r\n","UTF-8"))
finished = True
elif command == "PING":
try:
e = text.split(" ")[1]
e = f":{e}" if e[0] != ":" else e
pendingSend += f":{server} PONG {server} {e}\r\n"
except:
pendingSend += f":{server} PONG {server}\r\n"
elif command == "MOTD":
if motd_file != None:
motd = open(motd_file).read()
connection.sendall(bytes(f"{tags()}:{server} 375 {pending} :- {server} Message of the Day -\r\n", "UTF-8"))
for i in motd.rstrip().split("\n"):
connection.sendall(bytes(f"{tags()}:{server} 372 {pending} :- {i}\r\n", "UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 376 {pending} :End of /MOTD command\r\n", "UTF-8"))
elif finished:
pendingCommands += text
for comd in pendingCommands.replace("\r", "").split("\n"):
command = comd.split(" ")[0].upper()
args = comd.split(" ")[1:]
text = comd
processedExternally = False
for i in commandProviders:
cmdrun = i.command(command=command, args=args, nick=pending, ip=client[0], user=property_list[pending], connection=connection, v3tag=tags())
if cmdrun["success"]:
if "identify" in cmdrun:
if cmdrun["identify"] == "logout":
if "o" in property_list[pending]["modes"]:
connection.sendall(bytes(f"{tags()}:{pending} MODE {pending} -o\r\n","UTF-8"))
if not "i" in property_list[pending]["modes"]:
connection.sendall(bytes(f"{tags()}:{pending} MODE {pending} +i\r\n","UTF-8"))
if not "w" in property_list[pending]["modes"]:
connection.sendall(bytes(f"{tags()}:{pending} MODE {pending} +w\r\n","UTF-8"))
property_list[pending]["modes"] = "iw"
property_list[pending]["identified"] = False
else:
property_list[pending]["identified"] = True
property_list[pending]["identusername"] = cmdrun["identify"][0]
temp_mode = cmdrun["identify"][1]
property_list[pending]["modes"] = temp_mode
connection.sendall(bytes(f"{tags()}:{pending} MODE {pending} +{temp_mode}\r\n","UTF-8"))
processedExternally = True
break
if processedExternally:
pass
elif command == "JOIN":
channels = text.split(" ")[1]
if channels[0] == ":":
channels = channels[1:]
for channelt in channels.split(","):
channel = channelt.strip()
if isalphanumeric(channel, True):
if channel.lower() in lower_chans:
channel = lower_chans[channel.lower()]
success = True
if channel in channels_list:
if pending in channels_list[channel]:
success=False
print(f"{pending} is already in {channel} , ignoring JOIN request.")
if success:
try:
if channel in channels_list:
channels_list[channel].append(pending)
else:
channels_list[channel] = [pending]
lower_chans[channel.lower()] = channel
topic_list[channel] = "Topic is not implemented."
except:
connection.sendall(bytes(f"{tags()}:{server} NOTICE * :*** Could not join {channel}\r\n","UTF-8"))
print(channels_list)
for i in channels_list[channel]:
try:
nickname_list[i].sendall(bytes(f":{pending}!{rident}@{hostname} JOIN {channel}\r\n","UTF-8"))
except:
pass
# Code re-used in the NAMES command
if channel in channels_list:
if pending in channels_list[channel]:
users = " ".join(channels_list[channel])
connection.sendall(bytes(f":{server} 353 {pending} = {channel} :{users}\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 366 {pending} {channel} :End of /NAMES list.\r\n","UTF-8"))
print("Successfully pre-loaded /NAMES list")
else:
connection.sendall(bytes(f"{tags()}:{server} 479 {pending} {channel} :Channel has erroneus characters\r\n","UTF-8"))
elif command == "LIST":
connection.sendall(bytes(f"{tags()}:{server} 321 {pending} Channel :Users Name\r\n","UTF-8"))
for key, value in topic_list.items():
usersin = len(channels_list[key])
connection.sendall(bytes(f"{tags()}:{server} 322 {pending} {key} {usersin} :{value}\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 323 {pending} :End of /LIST\r\n","UTF-8"))
elif command == "PONG":
e = text.split(" ")[1]
if e == server or e == f":{server}":
print(pending + " replied to PING.")
property_list[pending]["last_ping"] = time.time()
property_list[pending]["ping_pending"] = False
elif command == "NICK":
if len(args) == 0:
connection.sendall(bytes(f"{tags()}:{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
elif text.split(" ")[1] == pending:
pass
else:
pending2 = text.split(" ")[1]
if pending2[0] == ":": pending2 = pending2[1:]
if not isalphanumeric(pending2):
connection.sendall(bytes(f"{tags()}:{server} 432 {pending} {pending2} :Erroneus nickname\r\n","UTF-8"))
elif pending2.lower() in lower_nicks:
connection.sendall(bytes(f"{tags()}:{server} 433 {pending} {pending2} :Nickname is already in use.\r\n","UTF-8"))
else:
print("Sending nickname change...")
connection.sendall(bytes(f"{tags()}:{pending}!{rident}@{hostname} NICK {pending2}\r\n","UTF-8"))
# Broadcast the nickname change
done = []
for i, users in channels_list.items():
if pending in users:
for j in users:
if j != pending and j != pending2 and not j in done:
print("Broadcasting on " + j)
nickname_list[j].sendall(bytes(f"{tags_diffclient(j)}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
done.append(j)
# Replace the nickname
try:
print("Changing on " + i)
channels_list[i].remove(pending)
channels_list[i].append(pending2)
except:
print(traceback.format_exc())
print("Moving config...")
property_list[pending2] = property_list.pop(pending)
nickname_list[pending2] = nickname_list.pop(pending)
del lower_nicks[pending.lower()]
lower_nicks[pending2.lower()] = pending2
print("starting pinger...")
pending = pending2
property_list[pending2]["ping_pending"] = False
property_list[pending2]["last_ping"] = time.time()
threading.Thread(target=pinger, args=[pending, connection]).start()
print(f"User {pending} set nick")
print("Broadcasting nickname change...")
elif command == "PART":
if len(args) == 0:
connection.sendall(bytes(f"{tags()}:{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
else:
channel = text.split(" ")[1]
for i in channels_list[channel]:
try:
nickname_list[i].sendall(bytes(f"{tags_diffclient(i)}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
except:
pass
try:
channels_list[channel].remove(pending)
except:
print(traceback.format_exc())
elif command == "AWAY":
if len(args) == 0:
property_list[pending]["away"] = False
connection.sendall(bytes(f"{tags()}:{server} 305 {pending} :You are no longer marked as being away\r\n","UTF-8"))
else:
reasons = " ".join(args)
if reasons[0] == ":": reasons = reasons[1:]
property_list[pending]["away"] = True
property_list[pending]["reason"] = reasons
connection.sendall(bytes(f"{tags()}:{server} 306 {pending} :You have been marked as being away\r\n","UTF-8"))
elif command == "WHO":
if len(args) == 0:
connection.sendall(bytes(f"{tags()}:{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
else:
channel = text.split(" ")[1]
if channel in channels_list:
for i in channels_list[channel]:
who_host = property_list[i]["host"]
who_user = property_list[i]["username"]
who_realname = property_list[i]["realname"]
who_away = "G" if property_list[i]["away"] else "H"
connection.sendall(bytes(f"{tags()}:{server} 352 {pending} {channel} {who_user} {who_host} {server} {i} {who_away} :0 {who_realname}\r\n","UTF-8"))
elif channel in nickname_list:
who_host = property_list[channel]["host"]
who_user = property_list[channel]["username"]
who_realname = property_list[channel]["realname"]
who_away = "G" if property_list[channel]["away"] else "H"
connection.sendall(bytes(f"{tags()}:{server} 352 {pending} * {who_user} {who_host} {server} {channel} {who_away} :0 {who_realname}\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 315 {pending} {channel} :End of /WHO list.\r\n","UTF-8"))
elif command == "WHOIS":
if len(args) == 0:
connection.sendall(bytes(f"{tags()}:{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
else:
target = text.split(" ")[1]
if target.lower() in lower_nicks:
target = lower_nicks[target.lower()]
if target in property_list:
who_user = property_list[target]["username"]
who_realname = property_list[target]["realname"]
who_host = property_list[target]["host"]
who_identified = property_list[target]["identified"]
who_ssl = property_list[target]["ssl"]
if who_identified:
who_identifying = property_list[target]["identusername"]
else:
who_identifying = None
try:
who_flags = property_list[target]["modes"]
except:
who_flags = None
connection.sendall(bytes(f"{tags()}:{server} 311 {pending} {target} {who_user} {who_host} * :{who_realname}\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 312 {pending} {target} {server} :{identifier}\r\n","UTF-8"))
if "o" in who_flags: connection.sendall(bytes(f":{server} 313 {pending} {target} :is an IRC operator\r\n","UTF-8"))
who_away = property_list[target]["away"]
if who_away:
who_reason = who_away = property_list[target]["reason"]
connection.sendall(bytes(f"{tags()}:{server} 301 {pending} {target} :{who_reason}\r\n","UTF-8"))
if who_identified:
connection.sendall(bytes(f"{tags()}:{server} 330 {pending} {target} {who_identifying} :is logged in as\r\n","UTF-8"))
if who_ssl:
connection.sendall(bytes(f"{tags()}:{server} 671 {pending} {target} :is using a secure connection\r\n","UTF-8"))
#connection.sendall(bytes(f":{server} 317 {pending} {target} {time} :seconds idle\r\n","UTF-8")) # I haven't implemented idle time yet.
if who_flags != None and who_flags != "iw":
connection.sendall(bytes(f"{tags()}:{server} 379 {pending} {target} :Is using modes +{who_flags}\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 318 {pending} {target} :End of /WHOIS list\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:{server} 401 {pending} {target} :No such nick/channel\r\n","UTF-8"))
elif command == "NAMES":
if len(args) == 0:
connection.sendall(bytes(f":{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
else:
channel = text.split(" ")[1]
if channel in channels_list:
if pending in channels_list[channel]:
users = " ".join(channels_list[channel])
connection.sendall(bytes(f"{tags()}:{server} 353 {pending} = {channel} :{users}\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:{server} 366 {pending} {channel} :End of /NAMES list.\r\n","UTF-8"))
elif command == "NOTICE":
if len(args) >= 2:
target = text.split(" ")[1]
if target.lower() in lower_nicks:
target = lower_nicks[target.lower()]
if target in channels_list:
if pending in channels_list[target]:
for i in channels_list[channel]:
try:
if i != pending:
nickname_list[i].sendall(bytes(f"{tags_diffclient(i)}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
except:
pass
elif target in nickname_list:
nickname_list[target].sendall(bytes(f"{tags_diffclient(target)}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:{server} 401 {pending} {target} :No such nick/channel\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
elif command == "QUIT":
# Parse the quit message.
done = []
if len(text.split(" ")) == 1:
msg = "Client Quit"
else:
msg = text.split(" ")[1:]
if msg[0][0] == ":":
msg[0]=msg[0][1:]
if len(msg) > 0:
mse = " ".join(msg)
msg = f"Quit: {mse}"
text = f"QUIT :{msg}"
# Broadcast all users in the joined channels that the person quit.
for i, users in channels_list.items():
if pending in users:
for j in users:
if j != pending and not j in done:
nickname_list[j].sendall(bytes(f"{tags_diffclient(j)}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
done.append(j)
# Remove the quitting user from the channel.
try:
channels_list[i].remove(pending)
except:
print(traceback.format_exc())
# Confirm QUIT and close the socket.
try:
connection.sendall(bytes(f"{tags()}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
connection.sendall(bytes(f"ERROR :Closing Link: {hostname} ({msg})\r\n","UTF-8"))
finally:
connection.close()
safe_quit = True
break
elif command == "MODE":
target = args[0]
if len(args) == 0:
connection.sendall(bytes(f"{tags()}:{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
elif len(args) == 1:
if args[0] == pending:
yourmodes = property_list[pending]["modes"]
connection.sendall(bytes(f"{tags()}:{server} 221 {pending} +{yourmodes}\r\n","UTF-8"))
elif args[0] in channels_list:
if args[0] in property_list:
if "modes" in property_list[args[0]]:
# Get the modes + parameters, then print them out.
modes = property_list[args[0]]["modes"]
params = property_list[args[0]]["params"]
connection.sendall(bytes(f"{tags()}:{server} 221 {pending} {target} +{modes} {params}\r\n","UTF-8"))
else:
# Default channel mode
connection.sendall(bytes(f"{tags()}:{server} 324 {pending} {target} +n\r\n","UTF-8"))
else:
# Default channel mode
connection.sendall(bytes(f"{tags()}:{server} 324 {pending} {target} +n\r\n","UTF-8"))
else:
if args[0][0] == "#":
connection.sendall(bytes(f"{tags()}:{server} 403 {pending} {target} :No such channel\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:{server} 505 {pending} :Cant change mode for other users\r\n","UTF-8"))
elif command == "CATSERV" or (command == "PRIVMSG" and args[0].lower() == "catserv"):
if command == "PRIVMSG":
args = args[1:]
if args[0][0] == ":":
args[0] = args[0][1:]
if len(args) == 0:
connection.sendall(bytes(f":{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
elif args[0].upper() == "PULL":
updater = subprocess.run(["git", "pull"], stdout=subprocess.PIPE)
if updater.stdout.decode().strip() == "Already up to date.":
connection.sendall(bytes(f"{tags()}:CatServ!Meow@IRCatCore NOTICE {pending} :Codename IRCat is already up-to-date.\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:CatServ!Meow@IRCatCore NOTICE {pending} :Done, it is recommended to use /RESTART if you're an IRC op\r\n","UTF-8"))
elif args[0].upper() == "VERSION":
connection.sendall(bytes(f"{tags()}:CatServ!Meow@IRCatCore NOTICE {pending} :Codename IRCat version {__version__}\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:CatServ!Meow@IRCatCore NOTICE {pending} :This is Codename IRCat's integrated services.\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:CatServ!Meow@IRCatCore NOTICE {pending} :CatServ Usage:\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:CatServ!Meow@IRCatCore NOTICE {pending} :PULL - Pulls the latest version of Codename IRCat\r\n","UTF-8"))
connection.sendall(bytes(f"{tags()}:CatServ!Meow@IRCatCore NOTICE {pending} :VERSION - Gets the version number of this service.\r\n","UTF-8"))
elif command == "RESTART":
if "o" in property_list[pending]["modes"]:
global opened
opened = False
else:
connection.sendall(bytes(f"{tags()}:{server} 481 {pending} :Permission Denied- You're not an IRC operator\r\n","UTF-8"))
elif command == "PRIVMSG":
if len(args) >= 2:
target = text.split(" ")[1]
if target.lower() in lower_nicks:
target = lower_nicks[target.lower()]
if target in channels_list:
print("Sending to "+ target + " Channel")
if pending in channels_list[target]:
print(channels_list[target])
for i in channels_list[target]:
try:
if i != pending:
print(i)
print(f":{pending}!{rident}@{hostname} {text}\r\n")
nickname_list[i].sendall(bytes(f"{tags_diffclient(i)}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
else:
print(i + " Is the current user!")
except:
print(traceback.format_exc)
elif target in nickname_list:
nickname_list[target].sendall(bytes(f"{tags_diffclient(target)}:{pending}!{rident}@{hostname} {text}\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:{server} 401 {pending} {target} :No such nick/channel\r\n","UTF-8"))
else:
connection.sendall(bytes(f"{tags()}:{server} 461 {pending} {command} :Not enough parameters\r\n","UTF-8"))
# Ignore empty text
elif text.split(" ")[0] == "":
pass
else:
# Unknown command
cmd = text.split(" ")[0]
connection.sendall(bytes(f"{tags()}:{server} 421 {pending} {cmd} :Unknown command\r\n","UTF-8"))
pendingCommands = ""
else:
pendingCommands += text
textt = ""
connection.sendall(bytes(pendingSend, "UTF-8"))
pendingSend = ""
except Exception as ex:
print(traceback.format_exc())
cause = "" + str(ex)
break
finally:
connection.close()
try:
if "cause" in property_list[pending]:
cause = property_list[pending]["cause"]
if pending != "*":
del nickname_list[pending]
del property_list[pending]
del lower_nicks[pending.lower()]
if not safe_quit:
done = []
for i, users in channels_list.items():
if pending in users:
for j in users:
if j != pending and not j in done:
try:
nickname_list[j].sendall(bytes(f"{tags_diffclient(j)}:{pending}!{rident}@{hostname} QUIT :{cause}\r\n","UTF-8"))
done.append(j)
except:
print(traceback.format_exc())
# Remove the quitting user from the channel.
try:
channels_list[i].remove(pending)
except:
print(traceback.format_exc())
except:
print(traceback.format_exc())
cleanup_manual()
def cleanup():
while True:
time.sleep(15)
cleanup_manual()
def cleanup_manual():
global channels_list
global property_list
print("Cleaning up...")
for j, i in channels_list.items():
for h in i:
if not h in property_list:
print("Found a detached connection: " + h)
i.remove(h)
for k in channels_list[j]:
if k != h and k in nickname_list:
nickname_list[k].sendall(f":{h}!DISCONNECTED@DISCONNECTED PART {j} :IRCat Cleanup: Found missing connection!!\r\n")
def tcp_session(sock):
while True:
try:
while opened:
print("Waiting for connection...")
connection, client = sock.accept()
ip_to = restrict_ip
threading.Thread(target=session, daemon=True, args=[connection, client, ip_to]).start()
except:
print("Something went wrong...")
print(traceback.format_exc())
def ssl_session(sock):
while True:
try:
while opened:
context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
context.minimum_version = ssl.TLSVersion.TLSv1_2
context.set_ciphers('DEFAULT:@SECLEVEL=0')
context.load_cert_chain(ssl_cert, keyfile=ssl_pkey)
print("Waiting for connection...")
connection, client = sock.accept()
ip_to = restrict_ip
conn = context.wrap_socket(connection, server_side=True)
threading.Thread(target=session, daemon=True, args=[conn, client, ip_to, True]).start()
except:
print("Something went wrong...")
print(traceback.format_exc())
for ip, i in sockets.items():
print("Now listening on port 6667 with IP " + ip)
threading.Thread(target=tcp_session, args=[i], daemon=True).start()
if ssl_option:
for ip, i in sockets_ssl.items():
print("Now listening on SSL port 6697 with IP " + ip)
threading.Thread(target=ssl_session, args=[i], daemon=True).start()
while opened:
pass
print("Shutting down...")