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DariusIII
72 lines
3.5 KiB
PHP
72 lines
3.5 KiB
PHP
<?php
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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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use Symfony\Component\HttpFoundation\Response;
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class ContentSecurityPolicy
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{
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/**
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* Handle an incoming request.
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*/
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public function handle(Request $request, Closure $next): Response
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{
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$response = $next($request);
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// Check if Turnstile is enabled
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$turnstileEnabled = config('captcha.provider') === 'turnstile'
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&& config('captcha.turnstile.enabled') === true;
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// If Turnstile is enabled, skip CSP to avoid sandbox iframe issues
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// Turnstile creates sandboxed iframes that conflict with strict CSP
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if ($turnstileEnabled) {
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// Set minimal security headers only
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$response->headers->set('X-Frame-Options', 'SAMEORIGIN');
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$response->headers->set('X-Content-Type-Options', 'nosniff');
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$response->headers->set('Referrer-Policy', 'strict-origin-when-cross-origin');
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return $response;
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}
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// Generate nonce for inline scripts
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$nonce = function_exists('csp_nonce') ? csp_nonce() : base64_encode(random_bytes(16));
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// Build CSP directives for non-Turnstile pages
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$directives = [
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"default-src 'self'",
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"script-src 'self' 'nonce-{$nonce}' 'unsafe-eval' https://challenges.cloudflare.com https://cdn.tiny.cloud https://cdn.jsdelivr.net/ https://static.cloudflareinsights.com/ https://cdnjs.cloudflare.com/ https://unpkg.com/ https://cdn.tailwindcss.com/ https://code.jquery.com https://apis.google.com https://www.google.com https://www.gstatic.com https://ajax.cloudflare.com blob:",
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"script-src-elem 'self' 'nonce-{$nonce}' https://challenges.cloudflare.com https://cdn.tiny.cloud https://cdn.jsdelivr.net/ https://static.cloudflareinsights.com/ https://cdnjs.cloudflare.com/ https://unpkg.com/ https://cdn.tailwindcss.com/ https://code.jquery.com https://apis.google.com https://www.google.com https://www.gstatic.com https://ajax.cloudflare.com",
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"script-src-attr 'none'",
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"style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdn.jsdelivr.net/ https://cdnjs.cloudflare.com/ https://cdn.tiny.cloud",
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"style-src-elem 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdn.jsdelivr.net/ https://cdnjs.cloudflare.com/ https://cdn.tiny.cloud",
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"font-src 'self' https://fonts.gstatic.com https://cdnjs.cloudflare.com/ https://cdn.tiny.cloud data:",
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"img-src 'self' data: https: blob:",
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"connect-src 'self' https://www.google.com https://cdn.tiny.cloud https://sp.tinymce.com",
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"frame-src 'self' https://www.google.com https://www.gstatic.com https://challenges.cloudflare.com https://cdn.tiny.cloud data: blob:",
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"child-src 'self' https://www.google.com https://challenges.cloudflare.com https://cdn.tiny.cloud blob:",
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"worker-src 'self' blob:",
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"object-src 'none'",
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"base-uri 'self'",
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"form-action 'self'",
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"frame-ancestors 'self'",
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];
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$csp = implode('; ', $directives);
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$response->headers->set('Content-Security-Policy', $csp);
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// Also set X-Frame-Options for older browsers
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$response->headers->set('X-Frame-Options', 'SAMEORIGIN');
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// Set X-Content-Type-Options
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$response->headers->set('X-Content-Type-Options', 'nosniff');
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// Set Referrer-Policy
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$response->headers->set('Referrer-Policy', 'strict-origin-when-cross-origin');
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return $response;
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}
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}
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