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Example code of dakataa/2fa

Informations about the package 2fa

Symfony 2FA (Two Factor Authenticator)

This package helps you to enable Two Factor Authenticator for users over your current authenticator. Providing SMS, Email and OTP (TOTP / HOTP). Easy way to implement Custom Auth Code provider.

To get started, install the bundle:

Configuration:

Create Controller to handle form & check paths

Views

auth/2fa/form.html.twig

auth/2fa/setup.html.twig

auth/2fa/setup_otp.html.twig

Setup Event Handlers

Example with temporary cache storage. We should store Two Factor User information in current cache storage. Right way is to store it in database user table or separate table related to user.

Events

Event Description
TwoFactorEntityInvokingEvent::class This event is triggered when bundle need information about user 2FA. You have to Provide TwoFactorAuthenticatorEntity object containing authenticator information.
TwoFactorSetupEvent::class This event is triggered on user authenticator 2FA setup. You receive authenticator parameters for the user and you have to save it for future use.
TwoFactorActivateEvent::class This event is triggered after successful 2FA code validation on SETUP.

Messages

This bundle use Symfony Messenger. We have two notifications which you have to handle.

Notification Description
SmsNotification::class Contains Auth Code
EmailNotification::class Contains Auth Code

How to handle notifications

All versions of 2fa with dependencies

PHP Build Version
Package Version
Requires php Version >=8.1
symfony/framework-bundle Version ^7.0
symfony/security-bundle Version ^7.0
spomky-labs/otphp Version ^11.3
ramsey/uuid Version ^4.7
symfony/messenger Version ^7.0
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