Add chat project
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python-ofensivo/11_chat_cifrado_E2E/client.py
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130
python-ofensivo/11_chat_cifrado_E2E/client.py
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#!/usr/bin/env python3
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"""
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CLIENTE DE CHAT CIFRADO E2E
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"""
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import socket as s
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import threading as th
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from tkinter import *
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from tkinter.scrolledtext import ScrolledText
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def send_message(client_socket, username, text_widget, entry_widget):
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local_address = client_socket.getsockname()
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ip_address, port = local_address
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message = entry_widget.get()
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client_socket.sendall(
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f'{username} ({ip_address}:{port}): {message}\n'.encode())
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entry_widget.delete(0, END)
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text_widget.configure(state='normal')
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text_widget.insert(END, f'{username} ({ip_address}:{port}): {message}\n')
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text_widget.configure(state='disabled')
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def receive_message(client_socket, text_widget):
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while True:
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try:
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message = client_socket.recv(1024).decode()
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if not message:
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break
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text_widget.configure(state='normal')
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text_widget.insert(END, message)
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text_widget.configure(state='disabled')
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except:
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break
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def list_users_request(client_socket):
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client_socket.sendall("!usuarios".encode())
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def exit_request(client_socket, username, window):
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client_socket.sendall(
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f"\n[!] El usuario {username} ha abandonado el chat\n".encode()
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)
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client_socket.close()
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window.quit()
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window.destroy()
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def client_program():
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host = 'localhost'
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port = 1234
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client_socket = s.socket(s.AF_INET, s.SOCK_STREAM)
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client_socket.connect((host, port))
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username = input("\n[+] Introduce tu usuario: ")
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if not username:
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username = "Anonymus"
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client_socket.sendall(username.encode())
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window = Tk()
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window.title(f'Chat cifrado E2E - {username}')
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# window.geometry('500x700')
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# window.iconbitmap("oveja-negra.ico")
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# window.iconphoto(False, PhotoImage(file="oveja-negra.png"))
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text_widget = ScrolledText(window, state='disabled')
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text_widget.pack(padx=5, pady=5)
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frame_widget = Frame(window)
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frame_widget.pack(fill=BOTH, expand=True, padx=5, pady=5)
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entry_widget = Entry(frame_widget, font=('Arial', 12))
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entry_widget.bind(
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"<Return>",
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lambda _: send_message(
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client_socket, username,
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text_widget, entry_widget
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)
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)
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entry_widget.pack(side=LEFT, fill=BOTH, expand=True, padx=5, pady=5)
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button_widget = Button(
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frame_widget, text="Enviar",
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command=lambda: send_message(
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client_socket, username,
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text_widget, entry_widget
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)
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)
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button_widget.pack(side=RIGHT, padx=5, pady=5)
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users_widget = Button(
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window, text="Listar usuarios",
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command=lambda: list_users_request(client_socket))
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users_widget.pack(padx=5, pady=5)
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exit_widget = Button(
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window, text="Salir",
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command=lambda: exit_request(client_socket, username, window))
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exit_widget.pack(padx=5, pady=5)
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thread = th.Thread(
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target=receive_message,
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args=(client_socket, text_widget)
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)
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thread.daemon = True
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thread.start()
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window.mainloop()
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client_socket.close()
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if __name__ == '__main__':
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client_program()
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BIN
python-ofensivo/11_chat_cifrado_E2E/oveja-negra.ico
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BIN
python-ofensivo/11_chat_cifrado_E2E/oveja-negra.ico
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After Width: | Height: | Size: 175 KiB |
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python-ofensivo/11_chat_cifrado_E2E/oveja-negra.jpg
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python-ofensivo/11_chat_cifrado_E2E/oveja-negra.jpg
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python-ofensivo/11_chat_cifrado_E2E/server.py
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python-ofensivo/11_chat_cifrado_E2E/server.py
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#!/usr/bin/env python3
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"""
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SERVER DE CHAT CIFRADO E2E
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"""
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import socket as s
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import threading as th
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def client_thread(client_socket, clients, usernames):
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username = client_socket.recv(1024).decode()
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usernames[client_socket] = username
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print(f"\n[+] El usuario {username} se ha conectado al chat")
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for client in clients:
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if client is not client_socket:
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client.sendall(
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f"\n[+] El usuario {username} se ha conectado al chat\n\n".encode()
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)
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while True:
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try:
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message = client_socket.recv(1024).decode()
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if not message:
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break
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if message == "!usuarios":
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client_socket.sendall(
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f"\n[i] Usuarios conectados: {', '.join(usernames.values())}\n\n".encode()
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)
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continue
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for client in clients:
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if client is not client_socket:
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client.sendall(message.encode())
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except:
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break
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client_socket.close()
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clients.remove(client_socket)
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del usernames[client_socket]
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def server_program():
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host = 'localhost'
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port = 1234
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server_socket = s.socket(s.AF_INET, s.SOCK_STREAM)
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server_socket.setsockopt(s.SOL_SOCKET, s.SO_REUSEADDR, 1) # TIME_WAIT
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server_socket.bind((host, port))
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server_socket.listen()
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print(f"\n[+] Server está en escucha...")
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clients = []
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usernames = {}
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while True:
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client_socket, addr = server_socket.accept()
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clients.append(client_socket)
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print(f"\n[+] Conectado a {addr}")
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thread = th.Thread(
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target=client_thread,
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args=(client_socket, clients, usernames)
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)
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thread.daemon = True
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thread.start()
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server_socket.close()
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if __name__ == '__main__':
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server_program()
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