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Package googleauthenticator
Short Description Google Authenticator 2-factor authentication, fork from phpgangsta/googleauthenticator.
License BSD-4-Clause
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Informations about the package googleauthenticator
Google Authenticator PHP class
- Copyright (c) 2019, https://www.wamos.cz
- Author: Petr Suchy, [email protected]
- Licensed under the BSD License.
Fork from:
phpgangsta/googleauthenticator
Original copyright info:
- Copyright (c) 2012-2016, http://www.phpgangsta.de
- Author: Michael Kliewe, @PHPGangsta and contributors
- Licensed under the BSD License.
Description:
This PHP class can be used to interact with the Google Authenticator mobile app for 2-factor-authentication. This class can generate secrets, generate codes, validate codes and present a QR-Code for scanning the secret. It implements TOTP according to RFC6238
For a secure installation you have to make sure that used codes cannot be reused (replay-attack). You also need to limit the number of verifications, to fight against brute-force attacks. For example you could limit the amount of verifications to 10 tries within 10 minutes for one IP address (or IPv6 block). It depends on your environment.
Usage:
See following example:
Running the script provides the following output:
Installation:
-
Use Composer to install the package
-
Composer will take care of autoloading the library. Just include the following at the top of your file
require_once __DIR__ . '/../vendor/autoload.php';
Run Tests:
- All tests are inside
src/testsfolder. - Execute
composer installand then run the tests from project root directory. - Shell script is prepared - just run
phpunit.shfrom the project root directory. - It will generate code coverage report too inside
.phpunitdirectory.
Security recommendation:
Don't use methods GoogleAuthenticator::getQRCodeGoogleUrl and GoogleAuthenticator::getQRCodeQRServerUrl.
It is just for sample. Don't share your secret with third party. Use
your own QR code generation. You can use libraries like:
But don't believe libraries of third parties too. Do security audit of third party library and make your own fork or don't update these libraries without checking the security of update.
ToDo:
- Nothing ... if you need something, contact me.
Notes:
If you like this script or have some features to add: contact me, visit my webpage, fork this project, send pull requests, you know how it works.
