# -*- coding: utf-8 -*-
from base64 import b64decode, b64encode
import hashlib

f = 'users.csv'

d = open(f).read()
d = d.decode('utf16')

username = raw_input('your ars username: ')
m1 = hashlib.sha1()

for i in d.splitlines():
    if i.strip() != '':
        user, salt, hash = i.split(',')
        # Clean up any whitespace
        user = user.strip()
        salt = salt.strip()
        hash = hash.strip()

        # Convert b64 salt to binary
        binsalt = b64decode(salt)

        if user == username:
            pw_string = unicode(raw_input('your ars password: ').strip())

            # Get bytes
            pw_string_bytes = pw_string.encode("utf8")
            # Pass in salt
            m1.update(binsalt)
            # Pass in password
            m1.update(pw_string)
            # B64 encode the binary digest
            if b64encode(m1.digest()) == hash:
                print "Logged in!"
            else:
                print "Didn't match"