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172 | import socket
import sys
import threading
import select
import sqlite3
# main variables
_HOST = '192.168.1.22'
_PORT = 4567
_BUFFER = 1024
_RUNNING = True
_USERS = []
# colors for different kinds of data
BLUE = '\033[94m'
GREEN = '\033[92m'
RED = '\033[1;31m'
PURPLE = '\033[1;34m'
print(PURPLE + " █████╗ ██████╗ ██████╗ ███████╗███╗ ██╗ █████╗ ██╗ ██╗███╗ ██╗███████╗ \n"
" ██╔══██╗██╔══██╗██╔══██╗██╔════╝████╗ ██║██╔══██╗██║ ██║████╗ ██║╚══███╔╝ \n"
" ███████║██║ ██║██████╔╝█████╗ ██╔██╗ ██║███████║██║ ██║██╔██╗ ██║ ███╔╝ \n"
" ██╔══██║██║ ██║██╔══██╗██╔══╝ ██║╚██╗██║██╔══██║██║ ██║██║╚██╗██║ ███╔╝ \n"
" ██║ ██║██████╔╝██║ ██║███████╗██║ ╚████║██║ ██║███████╗██║██║ ╚████║███████╗ \n"
" ╚═╝ ╚═╝╚═════╝ ╚═╝ ╚═╝╚══════╝╚═╝ ╚═══╝╚═╝ ╚═╝╚══════╝╚═╝╚═╝ ╚═══╝╚══════╝ \n"
" hammer05 - backtrack05 / v1.0 beta / contact me hammer1.adrenalinz@yahoo.com \n")
class Query(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
self.sql = sqlite3.connect('database.db')
self.query = self.sql.cursor()
def broadcast_one(self, receiver, lister, data):
""" encode and send data to a receiver (used for new_account()) """
for sockb in lister:
if sockb == receiver:
try:
sockb.send(data.encode())
except:
sockb.close()
lister.remove(sockb)
def inscription(self, requester, username, password, lister):
""" Used to create a new account in server's database """
self.query.execute('IF NOT EXISTS CREATE TABLE users_data'
' (username TEXT NOT NULL UNIQUE,'
' password TEXT NOT NULL UNIQUE)')
try:
self.query.execute('INSERT INTO users_data VALUES(?, ?)', (username, password))
self.sql.commit()
print(GREEN + '[' + requester + '] created a new account (' + username, password + ')\n')
self.broadcast_one(requester, lister, '/op')
except sqlite3.IntegrityError:
print(RED + 'User[' + requester + '] tried to create a new account: username already token... ERROR SENT\n')
self.broadcast_one(requester, lister, '/er')
def connect(self, requester, username, password, lister):
""" Used to check if users data is already in dataabse and allowing access to server """
account = (username, password)
self.query.execute('SELECT * FROM users WHERE username = ? AND password = ?', account)
lock = self.query.fetchall()
if username in lock and password in lock:
print(GREEN + 'User[' + username + '] entered the chat-room')
self.broadcast_one(requester, lister, '/at access authorized...')
else:
print(RED + 'User[' + requester + '] failed log in ERROR SENT\n')
self.broadcast_one(requester, lister, RED + '/ad access denied...')
Sqlrequests = Query() # instance the class to use it in Server()
class Server(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
self.host = socket.gethostbyname(_HOST)
self.port = int(_PORT)
self.buffer = _BUFFER
self.run = _RUNNING
self.users = _USERS
self.username = {}
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
def broadcast_data(self, sock, data):
""" encode and send data to all connected users except the sender """
for sockt in self.users:
if sockt != self.sock and sockt != sock:
try:
sockt.send(data.encode())
except:
sockt.close()
self.users.remove(sockt)
def broadcast_one(self, receiver, data):
""" encode and send data to a receiver (used for new_account()) """
for sockb in self.users:
if sockb == receiver:
try:
sockb.send(data.encode())
except:
sockb.close()
self.users.remove(sockb)
def main(self):
""" In this function all others will be assembled as a puzzle to build the server """
try: # binding the server and listening incoming connections
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.sock.bind((self.host, self.port))
self.sock.listen(10) # 10 connections MAX
self.users.append(self.sock)
except socket.error:
print(RED + 'Unable to connect ot the remote host: {0}'.format(self.host))
sys.exit()
print(GREEN + 'Chat server started on port: ' + str(self.port) + '\r')
while 1:
read_sockets, write_sockets, in_error = select.select(self.users, [], [])
for sockp in read_sockets:
if sockp == self.sock:
sockfd, addr = self.sock.accept()
self.users.append(sockfd)
else:
try:
data = sockp.recv(self.buffer).decode()
if data:
spliter = data.split() # for data harvesting and differentiation
if '/i' == spliter[0]: # register code new account will be created
user = spliter[1] # data harvesting
passwd = spliter[2] # data harvesting
Sqlrequests.inscription(sockp, user, passwd, self.users)
if '/a' == spliter[0]: # connection code call the connect function
user = spliter[1] # data harvesting
passwd = spliter[2] # data harvesting
Sqlrequests.connect(sockp, user, passwd, self.users)
if '/q' == spliter[0]: # exit code -> logged out of the server
user = spliter[1] # data harvesting
print(RED + 'user[' + user + '] is off-line\n')
self.broadcast_data(sockp, RED + 'user[' + user + '] is off-line\n')
self.users.remove(sockp)
print('\r' + str(sockp.getpeername()) + data)
self.broadcast_data(sockp, '\r' + '(' + str(sockp.getpeername()) + ')' + ' ' + data)
else:
if sockp in self.users:
self.users.remove(sockp)
self.broadcast_data(sockp, 'Client({0}) is offline\r'.format(addr))
print('Client({0}) is offline\r'.format(addr))
except:
self.broadcast_data(sockp, 'Client({0}) is offline\r'.format(addr))
print('Client({0}) is offline\r'.format(addr))
continue
self.sock.close()
if __name__ == '__main__':
server = Server()
server.main()
|
