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# Password-checker

#This program can help us to find how many times a password has been used,either on anonymous or your own used sites.

#It will take help of requests,hashlib and sys modules

#You need to install pip3 into your machine to be able to use this code.

import requests

import hashlib

import sys

def request_api_data(query_char):

url = 'https://api.pwnedpasswords.com/range/' + query_char

res = requests.get(url)

if res.status_code != 200:

raise RuntimeError(f': {res.status_code}, got some eror,please check API')

return res

def get_password_leaks_count(hashes, hash_to_check):

hashes = (line.split(':') for line in hashes.text.splitlines())

for h, count in hashes:

if h == hash_to_check:

return count

return 0

def pwned_api_check(password):

sha1password = hashlib.sha1(password.encode('utf-8')).hexdigest().upper()

first5_char, tail = sha1password[:5], sha1password[5:]

response = request_api_data(first5_char)

return get_password_leaks_count(response, tail)

def main(args):

for password in args:

count = pwned_api_check(password)

if count:

print(f'{password} was found {count} times... you should change your password right now!')

else:

print(f'{password} was not found,very good password.')

return 'done!'

if __name__ == '__main__':

sys.exit(main(sys.argv[1:]))