README

Introduction
Installation
Quick start

See the detailed documentation at: /docs

Introduction

Laravel Token Auth provides functionality to authenticate Laravel APIs using access and refresh tokens.

It is heavily inspired by Laravel Sanctum.

Refresh tokens

Refresh tokens are used to create new access tokens. This way an access token can have only a short expiration time without the need for the user to login again.

To keep these refresh tokens save we can implement refresh token rotation. When a new access token is requested using a refresh token, the new access token and a new refresh token is returned. The used refresh token is then revoked but kept in the database. This way it can be detected if a refresh token is reused.

For more details see: https://auth0.com/blog/refresh-tokens-what-are-they-and-when-to-use-them/

Installation

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composer require m-thalmann/laravel-token-auth

If you want to customize the migrations, configuration run the publish command:

php artisan vendor:publish --provider="TokenAuth\TokenAuthServiceProvider"

If you only want to customize parts you can run the following:

Migrations: php artisan vendor:publish --tag="token-auth-migrations"
Configuration: php artisan vendor:publish --tag="token-auth-config"

Next you should run the migrations:

php artisan migrate

Quick start

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Add the HasAuthTokens trait to the Eloquent user model:

use TokenAuth\Concerns\HasAuthTokens;

class User extends Authenticatable
{
  use HasAuthTokens;

  // ...
}

Add the following routes for authentication:

Info: Of course you should create your own controllers for this. This is just a simplification.

use TokenAuth\Enums\TokenType;
use TokenAuth\Facades\TokenAuth;
use TokenAuth\Models\AuthToken;

Route::post('/login', function (Request $request) {
  $credentials = $request->validate([
    'email' => 'required',
    'password' => 'required',
  ]);

  if (!Auth::once($credentials)) {
    throw new HttpException(401);
  }

  $tokenPair = TokenAuth::createTokenPair(auth()->user())->buildPair();

  return [
    'refresh_token' => $tokenPair->refreshToken->plainTextToken,
    'access_token' => $tokenPair->accessToken->plainTextToken,
  ];
});

Route::post('/logout', function () {
  AuthToken::deleteTokensFromGroup(TokenAuth::currentToken()->getGroupId());
})->middleware('auth:token-access');

Route::post('/refresh', function () {
  // ...

  $tokenPair = TokenAuth::rotateTokenPair(
    TokenAuth::currentToken()
  )->buildPair();

  return [
    'refresh_token' => $tokenPair->refreshToken->plainTextToken,
    'access_token' => $tokenPair->accessToken->plainTextToken,
  ];
})->middleware('auth:token-refresh');

Route::post('/tokens', function () {
  // ...

  /**
   * @var \TokenAuth\Concerns\HasAuthTokens
   */
  $user = auth()->user();

  $accessToken = $user->createToken(TokenType::ACCESS)->build();

  return [
    'access_token' => $accessToken->plainTextToken,
  ];
})->middleware('auth:token-refresh');

Protect routes

Route::get('/private', function () {
  // only allows access tokens ...
})->middleware('auth:token-access');

Route::get('/private-refresh-token', function () {
  // only allows refresh tokens ...
})->middleware('auth:token-refresh');

Revoke tokens

Route::get('/revoke/{token}', function (AuthToken $token) {
  $token->revoke()->store();
})->middleware('auth:token-refresh');

Prune revoked / expired tokens

// app/Console/Kernel.php

protected function schedule(Schedule $schedule) {
  // ...
  $schedule->command('model:prune')->daily();
}

m-thalmann / laravel-token-auth

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