def connecting(host, port, username):
global user, scall_user
i = 0
while True: #cancel a 3 times
try:
conn_msg = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
conn_msg.settimeout(5)
conn_msg.connect((host, port))
conn_msg.settimeout(None)
conn_file = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
conn_file.settimeout(5)
conn_file.connect((host, port + 1))
conn_file.settimeout(None)
except:
if i == 3:
return (False, "attempt")
time.sleep(0.2)
else:
break
i += 1
key = Fernet.generate_key()
key_RSA = conn_msg.recv(2048)
try:
recipient_key = RSA.imporimport_keytKey(key_RSA)
except:
recipient_key = RSA.importKey(key_RSA)
cipher_rsa = PKCS1_OAEP.new(recipient_key)
enc_session_key = cipher_rsa.encrypt(key)
conn_msg.send(enc_session_key)
user = snet.user(key, conn_msg, conn_file, username)
#user.sock_call = call_sock
password = window.line_pass.text()
user.secure_send(password, conn_msg)
is_correct = user.secure_recv(conn_msg)
is_correct = is_correct.decode()
if is_correct == "1":
user.secure_send(username + "*/randesc/*" + user.random_esc, conn_msg)
sameu_and_key = user.secure_recv(conn_msg)
sameu_and_key = sameu_and_key.decode()
samer_username = sameu_and_key[0]
if samer_username == "0":
scall_user = snet.scall(sameu_and_key[1:])
#scall_user.sock_call.settimeout(1)
scall_user.sock_call.connect((host, port))
scall_user.sock_call.setblocking(0)
window.thread_recv_msg.start() #end it with close
window.thread_recv_file.start()
return (True, "")
else:
return (False, "same")
else:
return (False, "pass")
