Server.py

import socket
import random


def generate_partial_phrase(x):
    random.seed(x)
    x = random.random()
    return x


# this is the data structure where the received values are stored from the client
received_phrases = []

print("Server is listening..........")

# always specify the private ip address
HOST = '127.0.0.1'

PORT = 9090

# defining the server and the type of socket, sock_stream means that it is a tcp socket,
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# now we need to bind the server to a host and the port
server.bind((HOST, PORT))

# keep listening, at max 5 connections,
# if more than 5 connections are waiting then we reject
server.listen(5)

while True:
    # we communicate using the communication socket
    communication_socket, address = server.accept()
    print(f"Connected to {address}")
    # specifying the number of bytes to receive
    # you need to be able to decode the messages in order to read the messages
    # has the ability to send 1024 bytes
    message = communication_socket.recv(1024).decode('utf-8')

    print(f"Message from the client is {message}")

    communication_socket.send(f"Got your message, Thank You!".encode('utf-8'))
    communication_socket.send(
        f"Your random seed is {str(generate_partial_phrase(abs(random.randint(1, 1000))))}".encode('utf-8'))
    # We do not need the ticket id here for this case
    # ticket_id = ticket_id + 1 # important to increment the number after sent to the client

    # We need to store the message2 as the instance of the password received due to the random seed sent from the server
    message2 = communication_socket.recv(1024).decode('utf-8')
    print(f"Message from the client is {message2}")
    # message2 = float(message2) * (10 ** 8)

    # Count is used here to ensure that the message2 is only append into the received_phrases only once and not
    # repeatedly
    count = 0
    if count < 1:
        received_phrases.append(message2)
        print("These are the received phrases from the assisting clients/peers so far: ")
        print(received_phrases)
        f = open('vault.txt', 'a')
        message2 = str(message2)
        message2 = str(message2[0:])
        message = f.write(f"{message2}\n")
        f.close()

        # closing the connection with the server and client
        communication_socket.close()
        print(f"Connection with {address} ended")
        count = count + 1