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<?php namespace Comodojo\RpcClient\Components; |
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use \Comodojo\RpcClient\Interfaces\Transport as TransportInterface; |
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use \Comodojo\Httprequest\Httprequest; |
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use \phpseclib\Crypt\AES; |
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use \Psr\Log\LoggerInterface; |
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use \Comodojo\Exception\HttpException; |
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use \Comodojo\Exception\RpcException; |
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use \Exception; |
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class HttpTransport extends Httprequest implements TransportInterface { |
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private $aes = null; |
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/** |
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* Send pre-econded request to server |
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* |
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* @param string $data |
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* @param string $content_type |
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* |
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* @return string |
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* |
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* @throws \Comodojo\Exception\RpcException |
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* @throws \Comodojo\Exception\HttpException |
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*/ |
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public function performCall(LoggerInterface $logger, $data, $content_type, $encrypt=false) { |
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$this->setHttpMethod("POST"); |
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try { |
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$logger->notice("Sending RPC data"); |
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$logger->debug("Original request data dump: ".$data); |
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$data = $this->can($data, $encrypt); |
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$logger->debug("Real request data dump: ".$data); |
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$response = $this->setContentType($content_type)->send($data); |
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$logger->debug("Real response data dump: ".$response); |
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$return = $this->uncan($response, $encrypt); |
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$logger->debug("Decoded response data dump: ".$return); |
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} catch (HttpException $he) { |
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$logger->error("HTTP Transport error: ".$he->getMessage()); |
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throw $he; |
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} catch (RpcException $re) { |
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$logger->error("RPC Client error: ".$re->getMessage()); |
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throw $re; |
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} catch (Exception $e) { |
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$logger->critical("Generic Client error: ".$e->getMessage()); |
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throw $e; |
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} |
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return $return; |
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} |
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private function can($data, $key) { |
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if ( !empty($key) && is_string($key) ) { |
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$this->aes = new AES(); |
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$this->aes->setKey($key); |
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$return = 'comodojo_encrypted_request-'.base64_encode( $this->aes->encrypt($data) ); |
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} else { |
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$return = $data; |
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} |
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return $return; |
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} |
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private function uncan($data, $key) { |
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if ( !empty($key) && is_string($key) ) { |
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if ( self::checkEncryptedResponseConsistency($data) === false ) throw new RpcException("Inconsistent encrypted response received"); |
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$return = $this->aes->decrypt(base64_decode(substr($data, 28))); |
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} else { |
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$return = $data; |
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} |
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return $return; |
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} |
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/** |
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* Check if an encrypted envelope is consisent or not |
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* |
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* @param string $data |
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* |
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* @return bool |
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*/ |
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private static function checkEncryptedResponseConsistency($data) { |
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return substr($data, 0, 27) == 'comodojo_encrypted_response' ? true : false; |
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} |
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} |
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comodojo /
rpcclient
