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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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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package     Comodojo Spare Parts  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author      Marco Giovinazzi <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license     MIT  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * LICENSE:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * THE SOFTWARE.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class HttpTransport extends Httprequest implements TransportInterface { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $aes;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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 RpcException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws HttpException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws Exception  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function performCall(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        LoggerInterface $logger,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $data,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $content_type,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $encrypt=false  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->setHttpMethod("POST"); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $logger->debug("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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                             63                          | 
                
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                        return $return;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             63                          | 
                
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                    private function can($data, $key) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             63                          | 
                
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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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                             63                          | 
                
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                            $return = $data;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             63                          | 
                
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                        return $return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             63                          | 
                
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                    private function uncan($data, $key) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             63                          | 
                
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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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                             63                          | 
                
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                            $return = $data;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             63                          | 
                
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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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                    139
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                    private static function checkEncryptedResponseConsistency($data) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                        return substr($data, 0, 27) == 'comodojo_encrypted_response' ? true : false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                 |