Google Authenticator Authenticator Authenticator Authenticator in Python

Updated: November 22, 2024 15:14:24 Author: slp_44777680

The article introduces the steps to generate the required keys for Google Authenticator using Python 3.7, including the implementation principle of using the pyotp module to generate the key, generate QR code pictures, and scan the QR code for secondary authentication through the client.

Python's google authenticator authentication

Environment description

python 3.7
Required installation package:
pyotp qrcode Image

Implementation principle

Use python module of pyotp to generate the key required by Google auth
Generate barcode pictures based on key
Use the Google Authenticator client to scan the barcode, and the client generates a 6-digit verification code based on the time and key passing algorithm.
The platform secondary authentication passes verification of the input verification code, and the verification is also based on time and key.

Code implementation

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Author : SLP
# @Time : 2021/10/3 10:25

import os
import traceback
import pyotp
from qrcode import QRCode, constants


class GoogleAuthenticatorClient:
    def __init__(self, secret_key=None):
        self.secret_key = secret_key

    def create_secret(self):
        """
         Generate the key required for Google auth
         :return:
         """
        self.secret_key = pyotp.random_base32(64)
        return self.secret_key

    def create_secret_qrcode(self, name=None, issuer_name=None, save_to_file=True):
        """
         Generate QR code pictures based on username and key
         :param name:user name
         :param issuer_name: issuer
         :param save_to_file: Save to file
         :return:
         """
        data = (self.secret_key).provisioning_uri(name=name, issuer_name=issuer_name)
        qr = QRCode(
            version=1,
            error_correction=constants.ERROR_CORRECT_L,
            box_size=6,
            border=4, )
        try:
            qr.add_data(data)
            (fit=True)
            img = qr.make_image()
            if save_to_file:
                base_dir = ((__file__))
                dir_path = (base_dir, 'static', 'image')
                if not (dir_path):
                    (dir_path)
                filepath = dir_path +  + self.secret_key + '.png'
                (filepath)  # Save barcode pictures                return True, filepath
            else:
                return img.get_image()
        except Exception as e:
            traceback.print_exc()
            return False, None

    def verify_code_func(self, verify_code):
        t = (self.secret_key)
        result = (verify_code)
        return result


if __name__ == '__main__':
    secret_key = 'PU6PY6FWPVQ4BXE7ZP6X7YMVM3BH3ODS7SW53GL3LJPED7AAQUVF2EKP6AGNFFOX'
    google_auth_ = GoogleAuthenticatorClient(secret_key=secret_key)
    # secret = google_auth_.create_secret()
    # print('Key', secret)    # # Generate image QR code    image = google_auth_.create_secret_qrcode(name='slp', issuer_name='GoldBull', save_to_file=False)
    print(())

    # verify    # res = google_auth_.verify_code_func(verify_code='635543')
    # print(res)

Summarize

The above is personal experience. I hope you can give you a reference and I hope you can support me more.

Python
google
authenticator
Certification

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