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cesargb/laravel-magiclink

cesargb/laravel-magiclink

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Last Updated: 2023-09-11 09:02:11

#laravel #authentication #link #auth #auto #login #passwordless

Create link for authenticate in Laravel without password or get private content

License: MIT License

Languages: PHP, Blade

MagicLink for Laravels App

Through the MagicLink class we can create a secure link that later being visited will perform certain actions, which will allow us offer secure content and even log in to the application.

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Contents

Installation

You can install this package via composer using:

composer require cesargb/laravel-magiclink

Preparing the database

You need to publish the migration to create the magic_links table:

php artisan vendor:publish --provider="MagicLink\MagicLinkServiceProvider" --tag="migrations"

After that, you need to run migrations.

php artisan migrate

Use case

With this example you can create a link to auto login on your application with the desired user:

use MagicLink\Actions\LoginAction;
use MagicLink\MagicLink;

$urlToAutoLogin =  MagicLink::create(new LoginAction($user))->url

Create a MagicLink

The MagicLink class has the create method to generate a class that through the url property we will obtain the link that we will send to our visitor.

This method requires the action to be performed.

Actions

Each MagicLink is associated with an action, which is what will be performed once the link is visited.

Login Action

Through the LoginAction action, you can log in to the application using the generated link by MagicLink.

Your constructor supports the user who will login. Optionally we can specify the HTTP response using the method response or specify other guard with method guard.

Examples:

use MagicLink\Actions\LoginAction;
use MagicLink\MagicLink;

// Sample 1; Login and redirect to dash board
$action = new LoginAction(User::first());
$action->response(redirect('/dashboard'));

$urlToDashBoard = MagicLink::create($action)->url;

// Sample 2; Login and view forms to password reset and use guard web
$action = new LoginAction(User::first());
$action->response(view('password.reset', ['email' => '[email protected]']));

$urlShowView = MagicLink::create($action)->url;

// Sample 3; Login in other guard and redirect default
$action = new LoginAction(User::first());
$action->guard('customguard');

$urlShowView = MagicLink::create($action)->url;

// Sample 4; Login and remember me
$action = new LoginAction(User::first());
$action->remember();

$urlShowView = MagicLink::create($action)->url;

Download file Action

This action, DownloadFileAction, permit create a link to download a private file.

The constructor require the file path.

Example:

use MagicLink\Actions\DownloadFileAction;
use MagicLink\MagicLink;

// Url to download the file storage_app('private_document.pdf')
$url = MagicLink::create(new DownloadFileAction('private_document.pdf'))->url;

// Download file with other file_name
$action = new DownloadFileAction('private_document.pdf', 'your_document.pdf');
$url = MagicLink::create($action)->url;

// Download file from other disk
$action = new DownloadFileAction('private_document.pdf')->disk('ftp');
$url = MagicLink::create($action)->url;

View Action

With the action ViewAction, you can provide access to the view. You can use in his constructor the same arguments than method view of Laravel.

Example:

use MagicLink\Actions\ViewAction;
use MagicLink\MagicLink;

// Url to view a internal.blade.php
$url = MagicLink::create(new ViewAction('internal', [
    'data' => 'Your private custom content',
]))->url;

Http Response Action

Through the ResponseAction action we can access private content without need login. Its constructor accepts as argument the HTTP response which will be the response of the request.

Examples:

use MagicLink\Actions\ResponseAction;
use MagicLink\MagicLink;

$action = new ResponseAction(function () {
    Auth::login(User::first());

    return redirect('/change_password');
});

$urlToCustomFunction = MagicLink::create($action)->url;

Controller Action

MagicLink can directly call a controller via the ControllerAction action.

The constructor requires one argument, the name of the controller class. With the second argument can call any controller method, by default it will use the __invoke method.

use MagicLink\Actions\ControllerAction;
use MagicLink\MagicLink;

// Call the method __invoke of the controller
$url = MagicLink::create(new ControllerAction(MyController::class))->url;

// Call the method show of the controller
$url = MagicLink::create(new ControllerAction(MyController::class, 'show'))->url;

Custom Action

You can create your own action class, for them you just need to extend with MagicLink\Actions\ActionAbstract

use MagicLink\Actions\ActionAbstract;

class MyCustomAction extends ActionAbstract
{
    public function __construct(public int $variable)
    {
    }

    public function run()
    {
        // Do something

        return response()->json([
            'success' => true,
            'data' => $this->variable,
        ]);
    }
}

You can now generate a Magiclink with the custom action

use MagicLink\MagicLink;

$action = new MyCustomAction('Hello world');

$urlToCustomAction = MagicLink::create($action)->url;

Protect with an access code

Optionally you can protect the resources with an access code. You can set the access code with method protectWithAccessCode which accepts an argument with the access code.

$magiclink = MagicLink::create(new DownloadFileAction('private_document.pdf'));

$magiclink->protectWithAccessCode('secret');

$urlToSend = $magiclink->url;

Custom view for access code

You can customize the view of the access code form with the config file magiclink.php:

'access_code' => [
    'view' => 'magiclink::access-code', // Change with your view
],

This is the default view

Lifetime

By default a link will be available for 72 hours after your creation. We can modify the life time in minutes of the link by the $lifetime option available in the create method. This argument accepts the value null so that it does not expire in time.

$lifetime = 60; // 60 minutes

$magiclink = MagicLink::create(new ResponseAction(), $lifetime);

$urlToSend = $magiclink->url;

We also have another option $numMaxVisits, with which we can define the number of times the link can be visited, null by default indicates that there are no visit limits.

$lifetime = null; // not expired in the time
$numMaxVisits = 1; // Only can visit one time

$magiclink = MagicLink::create(new ResponseAction(), $lifetime, $numMaxVisits);

$urlToSend = $magiclink->url;

Events

MagicLink fires two events:

  • MagicLink\Events\MagicLinkWasCreated
  • MagicLink\Events\MagicLinkWasVisited

Customization

Config

To custom this package you can publish the config file:

php artisan vendor:publish --provider="MagicLink\MagicLinkServiceProvider" --tag="config"

And edit the file config/magiclink.php

Migrations

To customize the migration files of this package you need to publish the migration files:

php artisan vendor:publish --provider="MagicLink\MagicLinkServiceProvider" --tag="migrations"

You'll find the published files in database/migrations/*

Custom response when magiclink is invalid

When the magicLink is invalid by default the http request return a status 403. You can custom this response with config magiclink.invalid_response.

Response

To return a response, use class MagicLink\Responses\Response::class same response(), you can send the arguments with options

Example:

    'invalid_response' => [
        'class'   => MagicLink\Responses\Response::class,
        'options' => [
            'content' => 'forbidden',
            'status' => 403,
        ],
    ],

Abort

To return a exception and let the framework handle the response, use class MagicLink\Responses\AbortResponse::class. Same abort(), you can send the arguments with options.

Example:

    'invalid_response' => [
        'class'   => MagicLink\Responses\AbortResponse::class,
        'options' => [
            'message' => 'You Shall Not Pass!',
            'status' => 403,
        ],
    ],

Redirect

Define class MagicLink\Responses\RedirectResponse::class to return a redirect()

    'invalid_response' => [
        'class'   => MagicLink\Responses\RedirectResponse::class,
        'options' => [
            'to' => '/not_valid_path',
            'status' => 301,
        ],
    ],

View

Define class MagicLink\Responses\ViewResponse::class to return a view()

    'invalid_response' => [
        'class'   => MagicLink\Responses\ViewResponse::class,
        'options' => [
            'view' => 'invalid',
            'data' => [],
        ],
    ],

Testing

Run the tests with:

composer test

Contributing

Please see CONTRIBUTING for details.

Security

If you discover any security-related issues, please email [email protected] instead of using the issue tracker.

License

The MIT License (MIT). Please see License File for more information.

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