41 lines
1.2 KiB
PHP
41 lines
1.2 KiB
PHP
<?php
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$id = $_GET['id'] ?? null;
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$class = $_GET['class'] ?? null;
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$extension = $_GET['extension'] ?? 'png';
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$isValidId = is_string($id) && preg_match('/^[a-f0-9\-]{36}$/', $id);
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if (!$isValidId || !$class) {
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header("Location: /404", true, 302);
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exit;
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}
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$cdnUrl = "https://cdn.coryd.dev/$id.$extension?class=$class";
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$ch = curl_init($cdnUrl);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
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$image = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
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curl_close($ch);
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error_log("CDN response code: $httpCode, Content-Type: $contentType");
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if ($httpCode !== 200 || $image === false) {
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error_log("Failed to fetch image: $cdnUrl");
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header("Location: /404", true, 302);
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exit;
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}
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if (strpos($contentType, 'image/') === 0) {
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header("Content-Type: $contentType");
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header("Cache-Control: public, max-age=86400");
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echo $image;
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} else {
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error_log("Invalid content type: $contentType");
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header("Location: /404", true, 302);
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exit;
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}
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