65 lines
2.3 KiB
PHP
65 lines
2.3 KiB
PHP
<?php
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namespace Modules\Stylist\Http\Controllers;
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use Illuminate\Http\Response;
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use Illuminate\Routing\Controller;
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use Modules\Stylist\Theme\Loader;
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use Symfony\Component\HttpFoundation\BinaryFileResponse;
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final class ThemeAssetController extends Controller
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{
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private const ALLOWED_ROOTS = ['css', 'js', 'images', 'fonts', 'icons', 'assets'];
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private const ALLOWED_EXTENSIONS = [
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'css', 'js', 'mjs', 'map', 'svg', 'png', 'jpg', 'jpeg', 'gif', 'webp', 'avif',
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'ico', 'woff', 'woff2', 'ttf', 'otf', 'eot', 'json', 'xml', 'txt', 'webmanifest',
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];
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public function __invoke(string $theme, string $path, Loader $loader): BinaryFileResponse|Response
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{
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abort_if(str_contains($path, "\0"), 404);
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$normalised = str_replace('\\', '/', ltrim($path, '/'));
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$root = explode('/', $normalised, 2)[0] ?? '';
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$extension = strtolower(pathinfo($normalised, PATHINFO_EXTENSION));
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abort_unless(in_array($root, self::ALLOWED_ROOTS, true), 404);
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abort_unless(in_array($extension, self::ALLOWED_EXTENSIONS, true), 404);
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$loadedTheme = $loader->find($theme);
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$themeRoot = realpath($loadedTheme->path());
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abort_unless($themeRoot !== false, 404);
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$asset = realpath($themeRoot.DIRECTORY_SEPARATOR.$normalised);
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abort_unless(
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$asset !== false
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&& str_starts_with($asset, $themeRoot.DIRECTORY_SEPARATOR)
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&& is_file($asset),
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404
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);
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$mime = match ($extension) {
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'css' => 'text/css; charset=UTF-8',
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'js', 'mjs' => 'application/javascript; charset=UTF-8',
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'svg' => 'image/svg+xml',
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'json', 'map', 'webmanifest' => 'application/json',
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'woff' => 'font/woff',
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'woff2' => 'font/woff2',
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'ttf' => 'font/ttf',
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'otf' => 'font/otf',
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default => mime_content_type($asset) ?: 'application/octet-stream',
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};
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return response()->file($asset, [
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'Content-Type' => $mime,
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'Cache-Control' => app()->isProduction()
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? 'public, max-age=31536000, immutable'
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: 'no-cache, private',
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'X-Content-Type-Options' => 'nosniff',
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'Content-Security-Policy' => "default-src 'none'; style-src 'unsafe-inline'",
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]);
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}
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}
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