17 lines
699 B
PHP
17 lines
699 B
PHP
<?php
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declare(strict_types=1);
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/** Liefert Vorschaubilder aus dem geschützten Speicher aus. */
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require_once __DIR__ . '/inc/lib.php';
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site_require_access();
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$file = basename((string) ($_GET['file'] ?? ''));
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$path = site_storage() . '/previews/' . $file;
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$ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
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$types = ['png' => 'image/png', 'jpg' => 'image/jpeg', 'webp' => 'image/webp'];
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if ($file === '' || !isset($types[$ext]) || !is_file($path)) { http_response_code(404); exit; }
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header('Content-Type: ' . $types[$ext]);
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header('Content-Length: ' . filesize($path));
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header('Cache-Control: public, max-age=86400');
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header('X-Content-Type-Options: nosniff');
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readfile($path);
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