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<?php |
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namespace Spatie\Csp\Profiles\Profile; |
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use Spatie\Csp\Directive; |
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use Spatie\Csp\Exceptions\InvalidDirective; |
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use Symfony\Component\HttpFoundation\Response; |
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abstract class Profile |
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{ |
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protected $directives = []; |
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protected $reportOnly = false; |
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public function addDirective(string $directive, string $value): self |
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{ |
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$this->guardAgainstInvalidDirectives($directive); |
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$this->directives[$directive][] = $value; |
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return $this; |
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} |
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abstract public function registerDirectives(); |
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public function reportOnly(): self |
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{ |
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$this->reportOnly = true; |
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return $this; |
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} |
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public function enforce(): self |
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{ |
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$this->reportOnly = false; |
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return $this; |
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} |
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public function reportTo(string $uri): self |
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{ |
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$this->directives['report-uri'] = $uri; |
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$this->directives['report-to'] = json_encode([ |
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'url' => $uri, |
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'group-name' => class_basename(static::class), |
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'max-age => 60 * 60 * 24 * 7 * 30', |
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]); |
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return $this; |
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} |
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public function applyTo(Response $response) |
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{ |
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$this->registerDirectives(); |
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$headerName = $this->reportOnly |
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? 'Content-Security-Policy-Report-Only' |
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: 'Content-Security-Policy'; |
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$response->headers->set($headerName, (string) $this); |
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} |
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protected function guardAgainstInvalidDirectives(string $directive) |
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{ |
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if (! Directive::isValid($directive)) { |
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throw InvalidDirective::notSupported($directive); |
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} |
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} |
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public function __toString() |
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{ |
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return collect($this->directives) |
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->map(function (array $values, string $directive) { |
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$valueString = implode(' ', $values); |
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return "{$directive} {$valueString}"; |
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}) |
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->implode(';'); |
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} |
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} |
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spatie /
laravel-csp
