#!/usr/bin/env python3

import requests
import sys
import hashlib
import time
import re

IP = sys.argv[1]

# read the salt from the header file
with open("../data/etc/auth", "r") as authFile:
    lineno = 0
    for line in authFile:
        if lineno == 1:
            SALT = line.strip()
        lineno += 1

print(f'SALT = "{SALT}"')

# read and store the password from the user
pwd = input("Enter password: ")

# request and parse a challenge from the server
challenge = requests.get(f"http://{IP}/challenge").json()

nonce = int(challenge['nonce'])

print(f"Nonce: {nonce}")

# build response string
responsestr = pwd + ":" + str(nonce) + ":" + SALT

m = hashlib.sha256()
m.update(responsestr.encode('utf-8'))
response = m.hexdigest()

result = requests.get(f"http://{IP}/authtest", {"response": response})
print(result.text)