Authenticate your SPA with Laravel Sanctum where SPA & Laravel API are on two different repositories. For this tutorial we will only need index, but it’s good to know this option exists. Since our Laravel app isn’t yet set up for CORS, it doesn’t send any Access-Control- headers back, and so the request proper doesn’t take place. Actually, as of Laravel 7 the framework comes with a CORS middleware out of the box. But if you go to the browser storage these cookies aren’t being saved. These SPAs might exist in the same repository as your Laravel application or might be an entirely separate repository, such as a SPA created using Vue CLI or a Next.js application. Open it up, and you’ll see that allowed_origins is by default set to * – that is, everything can make read requests. composer require laravel/sanctum Now publish the configuration files and migrations. In this article, we will try out authenticating laravel API with the new Laravel Airlock (Now called Laravel Sanctum) on Laravel 6.2 and Vuejs SPA Before we begin, Let me state that Laravel … Instead, Sanctum uses Laravel's built-in cookie based session authentication services. Laravel Sanctum provides a featherweight authentication system for SPAs (single page applications), mobile applications, and simple, token based APIs. Laravel 7 Sanctum SPA Quasar TOKEN MISMATCH 11th May 2021 laravel , laravel-sanctum , quasar , single-page-application Ive already followed the docs in laravel … How does Laravel Sanctum work? To be extra safe, the browser will only perform this request if the server has this flag set to true. According to the docs for adding custom guards, a custom guard has to implement the Illuminate\Contracts\Auth\Guard interface. Just follow these steps carefully to configure your app. This approach to authentication provides the benefits of CSRF protection, session authentication, as well as protects against leakage of the authentication credentials via XSS. Twitter. If the login request is successful, you will be authenticated and subsequent requests to your application's routes will automatically be authenticated via the session cookie that the Laravel application issued to your client. In addition, you should enable the withCredentials option on your application's global axios instance. If we look at the MDN docs, we see the following: XMLHttpRequest responses from a different domain cannot set cookie values for their own domain unless withCredentials is set to true before making the request. Telegram. 2 min read. Mix. Now, let’s say we want to gate-keep who gets to look at these books. Released earlier this year, Laravel Sanctum (formerly Laravel Airlock), is a lightweight package to help make authentication in single-page or native mobile applications as easy as possible. Here’s the SPA’s Login component: It’s just a basic form, that uses Axios to post an email and password to the backend’s login route and log the response. On to our next issue! But if we look at the Sanctum guard class, something seems odd. So, let's follow few step to create example of laravel 8 sanctum … VK. I've played with Sanctum a lot in the last few weeks and it appeared to me that while the package itself works really well and does exactly what it says it does, there are A LOT of ways things could go wrong. Laravel Sanctum offers this feature by storing user API tokens in a single database table and authenticating incoming HTTP requests via the Authorization header which should contain a valid API token. within your application's config/session.php configuration file: To authenticate your SPA, your SPA's "login" page should first make a request to the /sanctum/csrf-cookie endpoint to initialize CSRF protection for the application: During this request, Laravel will set an XSRF-TOKEN cookie containing the current CSRF token. These are the addresses of our front-end apps including the port numbers. Laravel attempts to take the pain out of development by easing common tasks used in most web projects. If your JavaScript HTTP library does not set the value for you, you will need to manually set the X-XSRF-TOKEN header to match the value of the XSRF-TOKEN cookie that is set by this route. This configuration setting determines which domains will maintain "stateful" authentication using Laravel session cookies when making requests to your API. To this end, I’ve set up Homestead to give me two domains: api.sanctum.test, which points to the public folder of backend (the new Laravel project which we’ll create), and sanctum.test, which points to a completely separate directory, frontend. 2020/08 by daniel. We can do this by setting supports_credentials to true in cors.php. This provides the benefits of CSRF protection, session authentication, as well as protects against leakage of the authentication credentials via XSS. To protect routes so that all incoming requests must be authenticated, you should attach the sanctum authentication guard to your protected routes within your routes/web.php and routes/api.php route files. Add logout to the paths array in our cors.php config file: Now login, log out again and you should see the menu item updating. It’s configurable in the cors config file. RELATED ARTICLES MORE FROM AUTHOR. API Tokens SPA Authentication. Active 2 months ago. If a user is found, the guard returns it; otherwise, nothing is returned. Now we can add a logout method. A new error! But my deployed app is having trouble with authorizing a user. Once that’s done, start the app: Now let’s create a quick Books component that will use Axios to call the books endpoint and show the books in an unordered list: Reference this component in App.js and we’re good to go: Visit the books page in the browser, and you’ll see the list of books returned by the endpoint. So let’s make our first call to the CSRF route. Therefore, if you are seeking to create a new API or to create a SPA. Join 33,000+ others and never miss out on new tips, tutorials, and more. The app will be built in Flutter, Google’s cross-platform app development toolkit. Typically, Sanctum utilizes Laravel's web authentication guard to accomplish this. Set sanctum stateful domains in .env file. Email. If you look at Illuminate\Foundation\Http\Kernel.php‘s sendRequestThroughRouter method, you’ll see similar code to the above: So what Sanctum’s EnsureFrontendRequestsAreStateful middleware does is actually insert more middleware. Sanctum will allow us to ask for a CSRF token, which we can then pass in our headers. Add comment. First, you should configure which domains your SPA will be making requests from. Instead, Sanctum uses Laravel's built-in cookie based session authentication services. These four middleware pipes are standard: if you take a look at the web middleware in Kernel.php, you’ll see all four of them there. Let’s look at createGuard: First of all, we can see that this returns an instance of RequestGuard, which, since it implements Guard, satisfies the extend method’s argument type. When Sanctum examines an incoming HTTP request, it will first check for an authentication cookie and, if none is present, Sanctum will then examine the Authorization header for a valid API token. Here are the relevant lines in the Sanctum guard: The first line gets the user from the web guard (since we are using the usual web authentication routes to login). Assuming the front- and back-end of the app are sub-domains of the same top-level domain, we can use Sanctum’s cookie-based authentication, thereby saving us the trouble of managing API tokens. The way to fix this is with Sanctum’s “stateful domains”. The Sanctum Auth system on my local machine works well and I have no errors. We're focusing on SPA authentication using a simple Vue.js app. Let’s modify the current Login link to conditionally display a Logout button if the user is logged in, and a link to the Login page if they’re not logged in. This plugin can be used to develop a SPA or to create token-based authentication. generate login and registration view . And now, once you’ve set the SANCTUM_STATEFUL_DOMAINS environment variable, you should be able to log in and view the books page as an authenticated user. Learn how to set up Laravel Sanctum/Airlock for SPA authentication with Vue.js. The static method fromFrontend looks at the referer header: if it contains the string you’ve set in the Sanctum config, it will know the request should be put through the middleware specific to Sanctum. This guard will ensure that incoming requests are authenticated as either a stateful authenticated requests from your SPA or contain a valid API token header if the request is from a third party: If your SPA needs to authenticate with private / presence broadcast channels, you should place the Broadcast::routes method call within your routes/api.php file: Next, in order for Pusher's authorization requests to succeed, you will need to provide a custom Pusher authorizer when initializing Laravel Echo. But our view is not served by the framework, so somehow the framework needs to send the CSRF token to us. it's simple example of laravel 8 sanctum example. This is where Sanctum comes in. You may configure these domains using the stateful configuration option in your sanctum configuration file. If you are not using Axios to make HTTP requests from your frontend, you should perform the equivalent configuration on your own HTTP client: Finally, you should ensure your application's session cookie domain configuration supports any subdomain of your root domain. Second, Sanctum exists to offer a simple way to authenticate single page applications (SPAs) that need to communicate with a Laravel powered API. You can use Laravel Sanctum to your advantage. You should ensure that your application's CORS configuration is returning the Access-Control-Allow-Credentials header with a value of True. An example, from the OWASP guide: You are logged in to your online banking website. In your Laravel 7 app, install the sanctum package using composer: composer require laravel/sanctum Next, publish sanctum configuration & database migration files. Instead, use Sanctum's built-in SPA authentication features. It's really important to note that this guide has nothing to do with issuing and using tokens to communicate with an API. In conclusion, Laravel Sanctum is a powerful plugin which was developed by Laravel. Well, this has to do with the scope of the cookie. The only difference is that the “closure” (Sanctum’s Guard class) is a class with an __invoke magic method: you can think of this kind of class as a closure-with-state: it gives you a simple invokable function which also can have properties. Take a look at the console: it’s giving us a “Cross-Origin Request Blocked” error. For this feature, Sanctum does not use tokens of any kind. But none of this interface’s methods are included in this guard, which in any case has no implements keyword in the class definition. We don't actually need this, but it helps if you still want to use standard web authentication for your project, and use Vue components in Laravel that make requests authenticated endpoints. There's no shortage of content at Laracasts. Previously I wrote about using Laravel Sanctum to build an API for a Vue SPA to consume. {tip} It is perfectly fine to use Sanctum only for API token authentication or only for SPA authentication. This token should then be passed in an X-XSRF-TOKEN header on subsequent requests, which some HTTP client libraries like Axios and the Angular HttpClient will do automatically for you. First, we want some state in the App component to show whether the user has logged in, defaulting to false: Let’s add a method called login which sets this variable to true: Now we can pass this method to the Login component: then in our handleSubmit method call this login method, after checking that we have got the expected 204 response from calling the login route: (I also have some logic to redirect to the homepage after logging in – take a look at the final repo to see that.) Enough of theory! 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