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<?php declare(strict_types=1); |
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namespace ApiClients\Middleware\Log; |
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use ApiClients\Foundation\Middleware\MiddlewareInterface; |
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use ApiClients\Foundation\Middleware\Priority; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Log\LoggerInterface; |
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use React\Promise\CancellablePromiseInterface; |
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use Throwable; |
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use function React\Promise\reject; |
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use function React\Promise\resolve; |
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class LoggerMiddleware implements MiddlewareInterface |
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{ |
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const REQUEST = 'request'; |
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const RESPONSE = 'response'; |
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const ERROR = 'error'; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @var string |
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*/ |
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private $requestId; |
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/** |
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* @var array |
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*/ |
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private $context = [ |
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self::REQUEST => [ |
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'method' => null, |
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'uri' => null, |
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'protocol_version' => null, |
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'headers' => [], |
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], |
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self::RESPONSE => [ |
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'status_code' => null, |
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'status_reason' => null, |
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'protocol_version' => null, |
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'headers' => [], |
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], |
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]; |
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/** |
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* LogMiddleware constructor. |
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* @param LoggerInterface $logger |
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*/ |
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public function __construct(LoggerInterface $logger) |
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{ |
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$this->logger = $logger; |
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} |
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/** |
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* @return int |
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*/ |
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public function priority(): int |
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{ |
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return Priority::LAST; |
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} |
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/** |
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* @param RequestInterface $request |
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* @param array $options |
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* @return CancellablePromiseInterface |
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*/ |
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public function pre(RequestInterface $request, array $options = []): CancellablePromiseInterface |
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{ |
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if (!isset($options[self::class][Options::LEVEL])) { |
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return resolve($request); |
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} |
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$this->requestId = spl_object_hash($request); |
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$this->context[self::REQUEST]['method'] = $request->getMethod(); |
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$this->context[self::REQUEST]['uri'] = (string)$request->getUri(); |
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$this->context[self::REQUEST]['protocol_version'] = (string)$request->getProtocolVersion(); |
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$ignoreHeaders = $options[self::class][Options::IGNORE_HEADERS] ?? []; |
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$this->iterateHeaders(self::REQUEST, $request->getHeaders(), $ignoreHeaders); |
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return resolve($request); |
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} |
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/** |
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* @param ResponseInterface $response |
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* @param array $options |
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* @return CancellablePromiseInterface |
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*/ |
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public function post(ResponseInterface $response, array $options = []): CancellablePromiseInterface |
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{ |
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if (!isset($options[self::class][Options::LEVEL])) { |
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return resolve($response); |
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} |
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$message = 'Request ' . $this->requestId . ' completed.'; |
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$this->addResponseToContext($response, $options); |
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$this->logger->log($options[self::class][Options::LEVEL], $message, $this->context); |
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return resolve($response); |
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} |
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/** |
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* @param Throwable $throwable |
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* @param array $options |
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* @return CancellablePromiseInterface |
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*/ |
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public function error(Throwable $throwable, array $options = []): CancellablePromiseInterface |
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{ |
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if (!isset($options[self::class][Options::ERROR_LEVEL])) { |
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return reject($throwable); |
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} |
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$message = $throwable->getMessage(); |
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$response = null; |
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if (method_exists($throwable, 'getResponse')) { |
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$response = $throwable->getResponse(); |
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} |
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if ($response instanceof ResponseInterface) { |
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$this->addResponseToContext($response, $options); |
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} |
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$this->context[self::ERROR]['code'] = $throwable->getCode(); |
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$this->context[self::ERROR]['file'] = $throwable->getFile(); |
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$this->context[self::ERROR]['line'] = $throwable->getLine(); |
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$this->context[self::ERROR]['trace'] = $throwable->getTraceAsString(); |
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$this->logger->log($options[self::class][Options::ERROR_LEVEL], $message, $this->context); |
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return reject($throwable); |
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} |
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/** |
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* @param string $prefix |
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* @param array $headers |
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* @param array $ignoreHeaders |
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*/ |
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protected function iterateHeaders(string $prefix, array $headers, array $ignoreHeaders) |
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{ |
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foreach ($headers as $header => $value) { |
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if (in_array($header, $ignoreHeaders)) { |
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continue; |
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} |
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$this->context[$prefix]['headers'][$header] = $value; |
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} |
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} |
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private function addResponseToContext(ResponseInterface $response, array $options) |
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{ |
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$this->context[self::RESPONSE]['status_code'] = $response->getStatusCode(); |
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$this->context[self::RESPONSE]['status_reason'] = $response->getReasonPhrase(); |
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$this->context[self::RESPONSE]['protocol_version'] = $response->getProtocolVersion(); |
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$ignoreHeaders = $options[self::class][Options::IGNORE_HEADERS] ?? []; |
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$this->iterateHeaders(self::RESPONSE, $response->getHeaders(), $ignoreHeaders); |
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} |
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} |
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php-api-clients /
middleware-log
