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Example code of internetgalerie/ig-mfa-frontend

Informations about the package ig-mfa-frontend

TYPO3 Extension 'ig_mfa_frontend'

The extension enables Multi Factor Authentication (MFA) for frontend user.

1. What does it do?

The extension extends the login mechanism with MFA. MFA is done in a separate step with its own template. There is also a controller with which frontend users can set up MFA. All installed MFA providers are supported by default; this can be restricted using TypoScript.

2. Usage

1) Installation

The recommended way to install the extension is by using Composer. In your Composer based TYPO3 project root, just do composer require internetgalerie/ig-mfa-frontend.

2) TypoScript

property Description Default
recommendedMfaProvider Recommended Provider (marked) totp
allowedProviders Allowed Provider (leave empty for all)
cssFileBase Path to the Css Base file from TYPO3 backend EXT:ig_mfa_frontend/Resources/Public/Css/base.css
cssFile Path to the Css file used EXT:ig_mfa_frontend/Resources/Public/Css/configuration.css
jsFile Path to the Js file used EXT:ig_mfa_frontend/Resources/Public/JavaScript/ig-mfa-frontend.js

3) Providers

tested providers:

Provider ID Description Extension Example
totp Time-based One-time Password (TOTP) Core Google Authenticator
recovery-codes One-Time-Password (OTP) Core Transaction Authentication Number (TAN)
webauthn-platform Built-in Authenticators (FIDO2) bnf/mfa-webauthn Incorporated fingerprint scanner
webauthn Security Keys (needs https) bnf/mfa-webauthn hardware devices containing cryptographic keys
yubikey YubiKey OTP MFA authentication derhansen/mfa_yubikey YubiKey

4) Extension Setup

Setup Description
requireMfa is MFA required for login (users without MFA cannot log in)
requireMfaForFrontendUsergroup if requireMfa is active, MFA is only mandatory for this frontend usergroup

3. Core Changes

Changes to show and delete MFA Providers for frontend users in Backend (not required for frontend functionality)

TCA

MfaInfoElement.php

File: vendor/typo3/cms-backend/Classes/Form/Element/MfaInfoElement.php at line 69 add

looks like:

MfaAjaxController.php

File vendor/typo3/cms-backend/Classes/Controller/MfaAjaxController.php at line 152

looks like:

Middleware

FrontendUserAuthenticator.php

Currently, we are overriding the FrontendUserAuthenticator middleware in this extension. We have added the handling of the MfaRequiredException exception and subsequently dispatching an event. So no changes are required.

4. Screenshots

MFA Setup

Overview of Available MFA Providers

The Setup plugin starts with an overview of the available MFA providers for logged-in users. Users can select and activate their preferred methods.

Example: Setting up Time-based One-Time Password

This image demonstrates the setup process for a Time-based One-Time Password MFA method. Users can follow these steps to configure their MFA device.

Login Process

Step 1: felogin Login Form

Users start by filling out the login form provided by felogin extension.

Step 2: MFA Login Form

After successful authentication with the username and password, users are prompted with the MFA (Multi-Factor Authentication) login form.

default template is EXT:ig_mfa_frontend/Resources/Private/Extensions/felogin/Templates/Login/Mfa.html

All versions of ig-mfa-frontend with dependencies

PHP Build Version
Package Version
Requires typo3/cms-core Version ^12.4
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