40 lines
1 KiB
PHP
40 lines
1 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace App\Http\Middleware;
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use Closure;
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use Illuminate\Http\Request;
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/**
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* Validates API request body — JSON content type and size limit.
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*
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* Applied to POST/PUT/PATCH API routes to prevent abuse.
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*/
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class ValidateJsonRequest
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{
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private const MAX_BODY_SIZE = 65536; // 64KB
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public function handle(Request $request, Closure $next): mixed
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{
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if (in_array($request->method(), ['POST', 'PUT', 'PATCH'])) {
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$contentType = $request->header('Content-Type', '');
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if (! str_contains($contentType, 'application/json')) {
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return response()->json([
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'error' => 'Content-Type must be application/json.',
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], 415);
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}
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if (strlen($request->getContent()) > self::MAX_BODY_SIZE) {
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return response()->json([
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'error' => 'Request body too large. Maximum 64KB.',
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], 413);
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}
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}
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return $next($request);
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}
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}
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