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<?php |
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declare(strict_types=1); |
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namespace DanBettles\Defence; |
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use Symfony\Component\HttpFoundation\Request; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerInterface; |
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/** |
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* An `Envelope` object is passed down the filter chain and then, if the request was deemed suspicious, into the handler. |
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*/ |
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class Envelope implements LoggerAwareInterface |
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{ |
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/** @var Request */ |
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private $request; |
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/** @var LoggerInterface */ |
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private $logger; |
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public function __construct(Request $request, LoggerInterface $logger) |
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{ |
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$this->setRequest($request); |
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$this->setLogger($logger); |
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} |
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private function setRequest(Request $request): self |
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{ |
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$this->request = $request; |
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return $this; |
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} |
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public function getRequest(): Request |
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{ |
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return $this->request; |
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} |
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/** |
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* @override |
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*/ |
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public function setLogger(LoggerInterface $logger): void |
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{ |
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$this->logger = $logger; |
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} |
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public function getLogger(): LoggerInterface |
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{ |
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return $this->logger; |
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} |
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/** |
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* Adds a log entry, containing some useful information taken from the request, to the logger. |
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*/ |
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public function addLogEntry(string $level, string $message): void |
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{ |
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$context = [ |
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'host_name' => gethostname(), |
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'request_method' => $this->getRequest()->getRealMethod(), |
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'uri' => $this->getRequest()->getUri(), |
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]; |
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if (Request::METHOD_POST === $this->getRequest()->getRealMethod()) { |
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$context['parameters'] = $this->getRequest()->request->all(); |
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} |
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if ($this->getRequest()->headers->has('User-Agent')) { |
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$context['user_agent'] = $this->getRequest()->headers->get('User-Agent'); |
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} |
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if ($this->getRequest()->headers->has('referer')) { |
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$context['referer'] = $this->getRequest()->headers->get('referer'); |
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} |
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$this->getLogger()->log($level, $message, $context); |
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} |
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} |
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