Preset for Meta Pixels (#159)

* Preset for Meta Pixels

* Update README.md

tidy up indent

Author: atomicjam

README.md

@@ -151,14 +151,15 @@ This package ships with a few commonly used presets to get your started. *We're
 | `GoogleFonts`              | [fonts.google.com](https://fonts.google.com)                                          |       
 | `HubSpot`                  | [hubspot.com](https://hubspot.com) (full suite)                                       |       
 | `Intercom`                 | [intercom.com](https://intercom.com/)                                                 |       
-| `JsDelivr`                 | [jsdelivr.com](https://jsdelivr.com)                                                  |       
+| `JsDelivr`                 | [jsdelivr.com](https://jsdelivr.com)                                                  |  
+| `Meta Pixel`               | [facebook.com](https://en-gb.facebook.com/business/tools/meta-pixel)                  |       
 | `Microsoft Clarity`        | [clarity.microsoft.com](https://clarity.microsoft.com)                                |
 | `Plausible Analytics`      | [plausible.io](http://plausible.io/)                                                  |
 | `Posthog`                  | [posthog.com](https://posthog.com/)                                                   |       
 | `Stripe`                   | [stripe.com](https://stripe.com/)                                                     |
 | `TicketTailor`             | [tickettailor.com](https://www.tickettailor.com)                                      |
 | `Tolt`                     | [tolt.io](https://tolt.io)                                                            |
-| `Vimeo`                     | [vimeo.com](https://vimeo.com)                                                            |
+| `Vimeo`                    | [vimeo.com](https://vimeo.com)                                                       |
 
 Register the presets you want to use for your application in `config/csp.php` under the `presets` or `report_only_presets` key.
 

src/Presets/MetaPixel.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Spatie\Csp\Presets;
+
+use Spatie\Csp\Directive;
+use Spatie\Csp\Policy;
+use Spatie\Csp\Preset;
+
+class MetaPixel implements Preset
+{
+    public function configure(Policy $policy): void
+    {
+        $policy
+            ->add(Directive::SCRIPT, 'connect.facebook.net')
+            ->add([Directive::FRAME, Directive::FORM_ACTION, Directive::IMG], 'www.facebook.com');
+    }
+}

tests/.pest/snapshots/PresetTest/it_stringifies_with_data_set____Spatie_Csp_Presets_MetaPixel______Spatie_Csp_Presets_MetaPixel__.snap

@@ -0,0 +1,4 @@
+script-src connect.facebook.net
+frame-src www.facebook.com
+form-action www.facebook.com
+img-src www.facebook.com

tests/PresetTest.php

@@ -33,6 +33,7 @@ function (string $presetClass): void {
     Presets\HubSpot::class,
     Presets\Intercom::class,
     Presets\JsDelivr::class,
+    Presets\MetaPixel::class,
     Presets\PlausibleAnalytics::class,
     Presets\Posthog::class,
     Presets\Stripe::class,