README

Features

Laravel Nova Tool for adding a cache purge page to manually purge specific urls in batches
Laravel Nova Field for cache purging specific urls or Cache Tags for a resource
Option to include either the Tool, Field, or both in project
Option to use urls, Cache Tag header, or both for purging Cloudflare cache

Nova Tool:

Nova Field:

Installation

Install the package into your Laravel application.

composer require ziffmedia/laravel-cloudflare

Publish the config file to your application.

   php artisan vendor:publish --provider="ZiffMedia\LaravelCloudflare\CloudflareServiceProvider" --tag="config"

Provide the new config file your Cloudflare Zone and API keys in your .env files.

Nova Tool Integration

To provide the cache purge Tool in your Nova instance, you must register the Tool with your NovaServiceProvider:

// app/Providers/NovaServiceProvider.php

use ZiffMedia\LaravelCloudflare\Nova\CloudflareTool;

public function tools()
{
    return [
        // ...,
        CloudflareTool::make()
    ];
}

The Tool page and its purge routes run the same checks as the rest of Nova (by default, a Nova login and the viewNova gate), then the Tool's canSee. Use canSee to choose who can use the Tool page and its purge routes:

CloudflareTool::make()->canSee(fn ($request) => $request->user()->can('purge-cloudflare'))

If an app does not register CloudflareTool, a signed-in Nova user gets a 404 from the Tool page and the purge routes.

The routing section of the config controls these routes:

routing.domain (the CLOUDFLARE_ROUTING_DOMAIN env value): the host the Tool page and the purge routes answer on. When it is empty, they use nova.domain, like Nova's own routes. Set it only to a host that serves Nova. The Tool's menu link and its purge buttons use paths on the host that loaded Nova, so on any other host they get a 404.
routing.middleware: the middleware the Tool page and the purge routes run before the Tool's own check. It defaults to nova:api, Nova's group for its own API routes, and an empty value also uses nova:api.

Note: The Tool is intended only for urls; setup for Cache Tags is not required if only using the Tool or url purging.

Nova Action Integration

To provide the Cache Purge Action on any resource, add the Action:

// app/Nova/

use ZiffMedia\LaravelCloudflare\Nova\CloudflareClearCacheAction;

public function actions(NovaRequest $request)
{
    return [
        CloudflareClearCacheAction::make()
    ];
}

Cloudflare Cache-Tag Header Integration

Cloudflare has the ability to use a special Cache-Tag header on requests to purge multiple pages instantly. If you intend to only use url purging, you can skip this step. In order to setup the Cache-Tag header, follow the below steps:

Add the Cloudflare Cache-Tag middleware to automatically add the Cache-Tag header to all requests. Because Cloudflare automatically removes the headers, you can use debug_cache_tags=1 in the querystring of requests to see the output of the header.

// app/Http/Kernel.php

use ZiffMedia\LaravelCloudflare\Middleware\AddCloudflareCacheTags;

protected $middlewareGroups = [
    'web' => [
        // ...
        AddCloudflareCacheTags::class,
    ]
];

Add the Cloudflare controller concern to tell the page which tags to give the header request. Here is an example implementation for an Article resource:

// app/Http/Controllers/ArticleController.php

use ZiffMedia\LaravelCloudflare\Controllers\Concerns\CloudflareTaggable;

class ArticleController extends Controller
{
    public function index(Foo $foo)
    {
        cloudflare()->addResponseTaggable($foo);

        return view('foo', compact('foo'));
    }
}

Add the Cloudflare model concern to tell the headers which tag to use for a model. Additionally, the cloudflareTagsToClear and cloudflareTag methods can be overwritten to allow for customization of tags or purging of additional resources. Here is a basic example implementation for an Article model:

// app/Models/Article.php

use ZiffMedia\LaravelCloudflare\Eloquent\HasCloudflareTagging;

class Article extends Model
{
    use HasCloudflareTagging;
    // ...   
}

Config Options

purge_enabled: Allows for purging to be turned on or off
auth.email and auth.key: Email address and key used for authenticating with Cloudflare API
auth.user_service_key: User service key, used in place of the email address and key
auth.token: API token, used in place of the email address and key
zone: Zone used for Cloudflare API
allow_header_debugging: Includes the Cloudflare API response headers in the response
routing.domain: Domain for the Nova Tool page and the purge routes. When empty, they use nova.domain.
routing.middleware: Middleware for the Nova Tool page and the purge routes, run before the Tool's own check.

Testing

The tests need PHP 8.3 or later and Laravel Nova. Installing Nova needs a Nova license and a Composer repository that serves laravel/nova, such as nova.laravel.com. Then install and run the tests:

composer install
composer test

ziffmedia / laravel-cloudflare

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