password_checker.py

import sys
import hashlib
import requests

PASSWORD_FILE = r"C:\Users\harsh\OneDrive\Desktop\harshit.txt"




def request_api_data(first5):
    url = f"https://api.pwnedpasswords.com/range/{first5}"
    res = requests.get(url)
    if res.status_code != 200:
        raise RuntimeError(f"API error: {res.status_code}")
    return res


def password_leaks_count(hashes, hash_to_check):
    for h, count in (line.split(':') for line in hashes.text.splitlines()):
        if h == hash_to_check:
            return int(count)
    return 0


def pwned_api_check(password):
    sha1password = hashlib.sha1(password.encode("utf-8")).hexdigest().upper()
    first5, tail = sha1password[:5], sha1password[5:]
    response = request_api_data(first5)
    return password_leaks_count(response, tail)


def main():
    with open(PASSWORD_FILE, "r", encoding="utf-8") as f:
        passwords = [line.strip() for line in f if line.strip()]
    print("Passwords loaded:", passwords)   # Debug line

    for pw in passwords:
        count = pwned_api_check(pw)
        if count:
            print(f"{pw} was found {count} times. Choose another password.")
        else:
            print(f"{pw} not found. Good to go!")
    return "done"



if __name__ == "__main__":
    (main())