117 lines
3 KiB
PHP
117 lines
3 KiB
PHP
<?php
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namespace Pterodactyl\Services\Helpers;
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use Illuminate\Support\Arr;
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use Illuminate\Filesystem\FilesystemManager;
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use Illuminate\Contracts\Filesystem\Filesystem;
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use Pterodactyl\Exceptions\ManifestDoesNotExistException;
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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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private Filesystem $filesystem;
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protected static mixed $manifest = null;
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/**
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* AssetHashService constructor.
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*/
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public function __construct(FilesystemManager $filesystem)
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{
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$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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public function url(string $resource): string
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{
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$file = last(explode('/', $resource));
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$data = Arr::get($this->manifest(), $file) ?? $file;
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return str_replace($file, Arr::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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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, $file);
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return Arr::get($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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public function css(string $resource): string
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{
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$attributes = [
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'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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'referrerpolicy' => 'no-referrer',
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];
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if (config('pterodactyl.assets.use_hash')) {
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$attributes['integrity'] = $this->integrity($resource);
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}
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$output = '<link';
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foreach ($attributes as $key => $value) {
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$output .= " $key=\"$value\"";
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}
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return $output . '>';
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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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public function js(string $resource): string
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{
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$attributes = [
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'src' => $this->url($resource),
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'crossorigin' => 'anonymous',
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];
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if (config('pterodactyl.assets.use_hash')) {
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$attributes['integrity'] = $this->integrity($resource);
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}
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$output = '<script';
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foreach ($attributes as $key => $value) {
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$output .= " $key=\"$value\"";
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}
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return $output . '></script>';
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}
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/**
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* Get the asset manifest and store it in the cache for quicker lookups.
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*/
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protected function manifest(): array
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{
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if (static::$manifest === null) {
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self::$manifest = json_decode(
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$this->filesystem->get(self::MANIFEST_PATH),
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true
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);
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}
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$manifest = static::$manifest;
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if ($manifest === null) {
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throw new ManifestDoesNotExistException();
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}
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return $manifest;
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}
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}
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