/
irc_bot.py
executable file
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/
irc_bot.py
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#!/usr/bin/env python3
import socket
import time
import re
import irc_commands as irc_cmd
# part2 calculator
def cal(exp):
# print("cal recv:", exp)
if re.findall(r"([0-9+\-*/.()\^]*)", exp)[0] != exp:
# check no special characters
return "special char"
double_star_or_divide = re.findall(r"[*]{2}|[/]{2}", exp)
if double_star_or_divide:
return "double_star_or_divide"
exp = exp.replace("^", "**")
print(exp)
try:
val = eval(exp)
except SyntaxError:
return "syntax error"
except ZeroDivisionError:
return "overflow"
else:
return val
# part3 tinyurl
# part5 rup
# part6 log
def statistical(input_list, identity_func):
# statistic times
ret = dict()
for item in input_list:
item = identity_func(item)
if ret.get(item):
ret[item] += 1
else:
ret[item] = 1
return ret
def log(mode, number):
log_file = open("messages", "r")
auth_error_list = []
for line in log_file:
idx = line.find("authentication error")
if idx == -1:
continue
line = line[idx+len("authentication error"):]
line_tuple = line.split()
if len(line_tuple) == 4:
(user, ip) = (line_tuple[1], line_tuple[3])
elif len(line_tuple) == 6:
(user, ip) = (line_tuple[3], line_tuple[5])
else:
continue
auth_error_list.append((ip, user))
auth_error_times = dict()
if mode == "ip":
auth_error_times = statistical(auth_error_list, lambda a: a[0])
elif mode == "user":
auth_error_times = statistical(auth_error_list, lambda a: a[1])
auth_error_times = sorted(auth_error_times.items(), key=lambda a: a[1], reverse=True)
return auth_error_times[:number]
class IrcBot():
# an irc bot class
def __init__(self):
pass
def connect(self, server_socket, username, realname):
self.irc_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.irc_socket.connect(server_socket)
irc_cmd.send_command(self.irc_socket, "USER {} 1 unused {}\r\n".format(username, realname))
irc_cmd.set_nick(self.irc_socket, username)
def listen_and_response(self):
msg = irc_cmd.recv_msg(self.irc_socket, 1)
if not msg:
return
privmsg = irc_cmd.parsing_irc_privmsg(msg[0])
if not privmsg:
return
(user, channel, dialog) = privmsg
dialog = dialog.strip()
# dialog only messages "@xxx xxx xxx" without endline
print("\nprivmsg", privmsg)
if dialog.startswith("@cal"):
val = cal(dialog[len("@cal "):])
if type(val) in (int, float, complex):
msg = val
elif val == "overflow":
msg = "overflow"
else:
msg = "Usage: @cal <expression>"
irc_cmd.send_msg_to(self.irc_socket, channel, "{}: {}".format(user, msg))
elif dialog.startswith("@log"):
parameters = dialog.split()
try:
number_idx = parameters.index("-n")
number = int(parameters[number_idx+1])
except:
number = None
try:
parameters.index("-u")
mode = "user"
except:
mode = "ip"
num = number if number else 5
auth_error_times = log(mode, num)
for line in auth_error_times:
print(line)
ip = line[0] + (15 - len(line[0]))*" "
times = line[1]
irc_cmd.send_msg_to(self.irc_socket, channel, "{} {} times".format(ip, times))
else:
print(dialog, channel, user)
self.keyword_match(dialog, channel, user)
# part4 keyword
def keyword_match(self, msg, channel, user):
match = re.findall(r"(>[/]+<)", msg)
for i in match:
irc_cmd.send_msg_to(self.irc_socket, channel, i.replace("/", "\\"))
match = re.findall(r"(>[\\]+<)", msg)
for i in match:
irc_cmd.send_msg_to(self.irc_socket, channel, i.replace("\\", "/"))
match = re.findall(r"惹$", msg)
if match:
irc_cmd.send_msg_to(self.irc_socket, channel, "{}: 你國文沒學好嗎？".format(user))
match = re.findall(r"[ㄅㄎㄇㄉ]$", msg)
if match:
irc_cmd.send_msg_to(self.irc_socket, channel, "{}: 請重念小學吧！".format(user))
match = re.findall(r"[Qq][Bb]", msg)
if match:
irc_cmd.send_msg_to(self.irc_socket, channel, "QB 必需死")
match = re.findall(r"傲嬌", msg)
if match:
irc_cmd.send_msg_to(self.irc_socket, channel, "人... 人家才不是傲嬌呢 >////<")
# def send_msg(self, msg):
# self.irc_socket.sendall(msg.encode("UTF-8"))
# print(msg.encode("UTF-8"))
if __name__ == "__main__":
config_file = open("./config", "r")
config = dict()
for line in config_file:
line = line.split("=")
config[line[0]] = line[1].strip()[1:-1]
# print(config)
# input()
bot1 = IrcBot()
bot1.connect(("irc.freenode.net", 6667), "u0016002", "Hello")
irc_cmd.join_channel(bot1.irc_socket, config["CHAN"][1:], config["CHAN_KEY"])
irc_cmd.send_msg_to_channel(bot1.irc_socket, config["CHAN"][1:], "Hi I'm u0016002, I'm written in Python.")
# irc_cmd.join_channel(bot1.irc_socket, "u0016002_test")
# irc_cmd.send_msg_to_channel(bot1.irc_socket, "u0016002_test", "Hi I'm u0016002, I'm written in Python.")
irc_cmd.send_msg_to_user(bot1.irc_socket, "susu", "test user function")
while 1:
bot1.listen_and_response()