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<?php |
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namespace HelePartnerSyncApi\Request; |
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use HelePartnerSyncApi\Validator; |
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use HelePartnerSyncApi\ValidatorException; |
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class Request |
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{ |
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/** |
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* @var array |
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*/ |
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private $data; |
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/** |
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* @var string |
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*/ |
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private $method; |
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/** |
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* @var string |
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*/ |
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private $expectedVersion; |
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/** |
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* @param string $jsonData |
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* @param string $secret |
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* @param string $signature |
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* @param string $signatureAlgorithm |
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*/ |
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public function __construct($jsonData, $secret, $signature, $signatureAlgorithm) |
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{ |
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$data = json_decode($jsonData, true); |
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if (!is_array($data)) { |
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throw new RequestException('Invalid JSON in request.'); |
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} |
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if (!in_array($signatureAlgorithm, hash_algos(), true)) { |
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throw new RequestException(sprintf('Unknown signature algorithm (%s) in request.', $signatureAlgorithm)); |
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} |
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if (hash_hmac($signatureAlgorithm, $jsonData, $secret) !== $signature) { |
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throw new RequestException('Signature in request is invalid.'); |
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} |
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try { |
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Validator::checkStructure($data, array( |
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'expectedVersion' => Validator::TYPE_STRING, |
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'method' => Validator::TYPE_STRING, |
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'data' => Validator::TYPE_ARRAY, |
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)); |
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} catch (ValidatorException $e) { |
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throw new RequestException('Invalid request: ' . $e->getMessage(), $e); |
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} |
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$this->data = $data['data']; |
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$this->method = $data['method']; |
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$this->expectedVersion = $data['expectedVersion']; |
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} |
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/** |
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* @return string |
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*/ |
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public function getMethod() |
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{ |
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return $this->method; |
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} |
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/** |
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* @return array |
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*/ |
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public function getData() |
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{ |
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return $this->data; |
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} |
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/** |
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* @return string |
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*/ |
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public function getExpectedVersion() |
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{ |
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return $this->expectedVersion; |
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} |
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} |
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