142 lines
4 KiB
PHP
142 lines
4 KiB
PHP
<?php
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namespace Pterodactyl\Services\Helpers;
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use Cake\Chronos\Chronos;
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use Illuminate\Filesystem\FilesystemManager;
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use Illuminate\Contracts\Foundation\Application;
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use Illuminate\Contracts\Cache\Repository as CacheRepository;
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class AssetHashService
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{
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/**
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* Location of the manifest file generated by gulp.
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*/
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public const MANIFEST_PATH = './assets/manifest.json';
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/**
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* @var \Illuminate\Contracts\Cache\Repository
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*/
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private $cache;
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/**
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* @var \Illuminate\Contracts\Filesystem\Filesystem
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*/
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private $filesystem;
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/**
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* @var \Illuminate\Contracts\Foundation\Application
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*/
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private $application;
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/**
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* @var null|array
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*/
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protected static $manifest;
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/**
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* AssetHashService constructor.
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*
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* @param \Illuminate\Contracts\Foundation\Application $application
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* @param \Illuminate\Contracts\Cache\Repository $cache
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* @param \Illuminate\Filesystem\FilesystemManager $filesystem
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*/
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public function __construct(Application $application, CacheRepository $cache, FilesystemManager $filesystem)
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{
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$this->application = $application;
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$this->cache = $cache;
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$this->filesystem = $filesystem->createLocalDriver(['root' => public_path()]);
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}
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/**
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* Modify a URL to append the asset hash.
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*
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* @param string $resource
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* @return string
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*
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* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
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*/
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public function url(string $resource): string
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{
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$file = last(explode('/', $resource));
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$data = array_get($this->manifest(), $file, $file);
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return str_replace($file, array_get($data, 'src', $file), $resource);
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}
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/**
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* Return the data integrity hash for a resource.
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*
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* @param string $resource
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* @return string
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*
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* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
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*/
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public function integrity(string $resource): string
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{
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$file = last(explode('/', $resource));
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$data = array_get($this->manifest(), $file, $file);
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return array_get($data, 'integrity', '');
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}
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/**
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* Return a built CSS import using the provided URL.
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*
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* @param string $resource
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* @return string
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*
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* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
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*/
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public function css(string $resource): string
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{
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return '<link href="' . $this->url($resource) . '"
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rel="stylesheet preload"
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as="style"
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crossorigin="anonymous"
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integrity="' . $this->integrity($resource) . '"
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referrerpolicy="no-referrer">';
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}
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/**
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* Return a built JS import using the provided URL.
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*
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* @param string $resource
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* @return string
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*
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* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
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*/
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public function js(string $resource): string
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{
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return '<script src="' . $this->url($resource) . '"
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integrity="' . $this->integrity($resource) . '"
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crossorigin="anonymous"></script>';
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}
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/**
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* Get the asset manifest and store it in the cache for quicker lookups.
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*
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* @return array
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*
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* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
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*/
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protected function manifest(): array
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{
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if (! is_null(self::$manifest)) {
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return self::$manifest;
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}
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// Skip checking the cache if we are not in production.
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if ($this->application->environment() === 'production') {
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$stored = $this->cache->get('Core:AssetManifest');
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if (! is_null($stored)) {
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return self::$manifest = $stored;
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}
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}
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$contents = json_decode($this->filesystem->get(self::MANIFEST_PATH), true);
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$this->cache->put('Core:AssetManifest', $contents, Chronos::now()->addMinutes(1440));
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return self::$manifest = $contents;
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}
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}
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