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21 lines
572 B
PHP
21 lines
572 B
PHP
<?php
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declare(strict_types=1);
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/**
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* Make sure that only strings are allowed in GET parameters
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*/
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class SecurityMiddleware implements Middleware
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{
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public function __invoke(Request $request, $next): Response
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{
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foreach ($request->toArray() as $key => $value) {
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if (!is_string($value)) {
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return new Response(render(__DIR__ . '/../templates/error.html.php', [
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'message' => "Query parameter \"$key\" is not a string.",
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]), 400);
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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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