410 lines
12 KiB
PHP
410 lines
12 KiB
PHP
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<?php
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/**
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* TNT OFFICIAL MODULE FOR PRESTASHOP
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*
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* @author GFI Informatique <www.gfi.fr>
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* @copyright 2016-2017 GFI Informatique, 2016-2017 TNT
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* @license https://opensource.org/licenses/MIT MIT License
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*/
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require_once _PS_MODULE_DIR_.'tntofficiel/libraries/TNTOfficiel_Debug.php';
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class TNTOfficiel_AccessDeniedException extends Exception {}
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class TNTOfficiel_ConnectionFailureException extends Exception {}
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class TNTOfficiel_ServerErrorException extends Exception {}
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/**
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* JsonRPC client class
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*
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* @package JsonRPC
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* @author Frederic Guillot
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*/
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class TNTOfficiel_JsonRPCClient
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{
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/**
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* URL of the server
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*
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* @access private
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* @var string
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*/
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private $url;
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/**
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* If the only argument passed to a function is an array
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* assume it contains named arguments
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*
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* @access public
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* @var boolean
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*/
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public $named_arguments = true;
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/**
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* HTTP client timeout
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*
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* @access private
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* @var integer
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*/
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private $timeout;
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/**
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* Username for authentication
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*
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* @access private
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* @var string
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*/
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private $username;
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/**
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* Password for authentication
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*
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* @access private
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* @var string
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*/
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private $password;
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/**
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* True for a batch request
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*
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* @access public
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* @var boolean
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*/
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public $is_batch = false;
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/**
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* Batch payload
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*
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* @access public
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* @var array
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*/
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public $batch = array();
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/**
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* Enable debug output to the php error log
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*
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* @access public
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* @var boolean
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*/
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public $debug = false;
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/**
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* Default HTTP headers to send to the server
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*
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* @access private
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* @var array
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*/
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private $headers = array(
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'User-Agent: JSON-RPC PHP Client <https://github.com/fguillot/JsonRPC>',
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'Content-Type: application/json',
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'Accept: application/json',
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'Connection: close',
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);
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/**
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* SSL certificates verification
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*
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* @access public
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* @var boolean
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*/
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public $ssl_verify_peer = true;
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/**
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* Constructor
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*
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* @access public
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* @param string $url Server URL
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* @param integer $timeout HTTP timeout
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* @param array $headers Custom HTTP headers
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*/
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public function __construct($url, $timeout = 3, $headers = array())
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$this->url = $url;
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$this->timeout = $timeout;
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$this->headers = array_merge($this->headers, $headers);
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}
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/**
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* Automatic mapping of procedures
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*
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* @access public
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* @param string $method Procedure name
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* @param array $params Procedure arguments
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* @return mixed
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*/
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public function __call($method, array $params)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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// Allow to pass an array and use named arguments
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if ($this->named_arguments && count($params) === 1 && is_array($params[0])) {
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$params = $params[0];
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}
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return $this->execute($method, $params);
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}
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/**
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* Set authentication parameters
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*
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* @access public
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* @param string $username Username
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* @param string $password Password
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* @return Client
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*/
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public function authentication($username, $password)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$this->username = $username;
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$this->password = $password;
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return $this;
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}
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/**
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* Start a batch request
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*
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* @access public
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* @return Client
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*/
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public function batch()
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$this->is_batch = true;
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$this->batch = array();
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return $this;
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}
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/**
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* Send a batch request
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*
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* @access public
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* @return array
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*/
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public function send()
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$this->is_batch = false;
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return $this->parseResponse(
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$this->doRequest($this->batch)
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);
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}
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/**
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* Execute a procedure
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*
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* @access public
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* @param string $procedure Procedure name
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* @param array $params Procedure arguments
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* @return mixed
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*/
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public function execute($procedure, array $params = array())
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$params['date'] = time();
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if ($this->is_batch) {
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$this->batch[] = $this->prepareRequest($procedure, $params);
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return $this;
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}
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return $this->parseResponse(
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$this->_doRequest($this->prepareRequest($procedure, $params))
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);
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}
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/**
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* Prepare the payload
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*
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* @access public
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* @param string $procedure Procedure name
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* @param array $params Procedure arguments
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* @return array
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*/
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public function prepareRequest($procedure, array $params = array())
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$payload = array(
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'jsonrpc' => '2.0',
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'method' => $procedure,
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'id' => mt_rand()
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);
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if (! empty($params)) {
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$payload['params'] = $params;
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}
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return $payload;
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}
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/**
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* Parse the response and return the procedure result
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*
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* @access public
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* @param array $payload
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* @return mixed
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*/
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public function parseResponse(array $payload)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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if ($this->isBatchResponse($payload)) {
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$results = array();
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foreach ($payload as $response) {
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$results[] = $this->getResult($response);
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}
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return $results;
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}
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return $this->getResult($payload);
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}
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/**
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* Throw an exception according the RPC error
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*
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* @access public
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* @param array $error
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* @throws BadFunctionCallException
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* @throws InvalidArgumentException
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* @throws RuntimeException
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*/
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public function handleRpcErrors(array $error)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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switch ($error['code']) {
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case -32601:
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throw new BadFunctionCallException('Procedure not found: '. $error['message']);
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case -32602:
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throw new InvalidArgumentException('Invalid arguments: '. $error['message']);
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default:
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throw new RuntimeException('Invalid request/response: '. $error['message'], $error['code']);
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}
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}
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/**
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* Throw an exception according the HTTP response
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*
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* @access public
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* @param array $headers
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* @throws TNTOfficiel_AccessDeniedException
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* @throws TNTOfficiel_ServerErrorException
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*/
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public function handleHttpErrors(array $headers)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$exceptions = array(
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'401' => 'TNTOfficiel_AccessDeniedException',
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'403' => 'TNTOfficiel_AccessDeniedException',
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'404' => 'TNTOfficiel_ConnectionFailureException',
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'500' => 'TNTOfficiel_ServerErrorException',
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);
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foreach ($headers as $header) {
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foreach ($exceptions as $code => $exception) {
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if (strpos($header, 'HTTP/1.0 '.$code) !== false || strpos($header, 'HTTP/1.1 '.$code) !== false) {
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throw new $exception('Response: '.$header);
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}
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}
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}
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}
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/**
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* Do the HTTP request
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*
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* @access private
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* @param array $payload
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* @return array
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* @throws TNTOfficiel_ConnectionFailureException
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*/
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private function _doRequest(array $payload)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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if (extension_loaded('curl')) {
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$ch = curl_init(trim($this->url));
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curl_setopt_array($ch, array(
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_HTTPHEADER => $this->headers,
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => Tools::jsonEncode($payload),
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CURLOPT_RETURNTRANSFER => true,
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));
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$response = Tools::jsonDecode(curl_exec($ch), true);
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curl_close($ch);
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if (!$response) {
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throw new TNTOfficiel_ConnectionFailureException('Unable to establish a connection');
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}
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} else {
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$stream = @fopen(trim($this->url), 'r', false, $this->_getContext($payload));
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if (!is_resource($stream)) {
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throw new TNTOfficiel_ConnectionFailureException('Unable to establish a connection');
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}
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$metadata = stream_get_meta_data($stream);
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$this->handleHttpErrors($metadata['wrapper_data']);
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$response = Tools::jsonDecode(stream_get_contents($stream), true);
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}
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if ($this->debug) {
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error_log('==> Request: ' . PHP_EOL . Tools::jsonEncode($payload, JSON_PRETTY_PRINT));
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error_log('==> Response: ' . PHP_EOL . Tools::jsonEncode($response, JSON_PRETTY_PRINT));
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}
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TNTOfficiel_Debug::log(array('msg' => '<<', 'file' => __FILE__, 'line' => __LINE__, 'dump' => array('request' => $payload, 'response' => $response)));
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return is_array($response) ? $response : array();
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}
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/**
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* Prepare stream context
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*
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* @access private
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* @param array $payload
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* @return resource
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*/
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private function getContext(array $payload)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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$headers = $this->headers;
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if (! empty($this->username) && ! empty($this->password)) {
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$headers[] = 'Authorization: Basic '.base64_encode($this->username.':'.$this->password);
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}
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return stream_context_create(array(
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'http' => array(
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'method' => 'POST',
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'protocol_version' => 1.1,
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'timeout' => $this->timeout,
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'max_redirects' => 2,
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'header' => implode("\r\n", $headers),
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'content' => Tools::jsonEncode($payload),
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'ignore_errors' => true,
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),
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"ssl" => array(
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"verify_peer" => $this->ssl_verify_peer,
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"verify_peer_name" => $this->ssl_verify_peer,
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)
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));
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}
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/**
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* Return true if we have a batch response
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*
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* @access public
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* @param array $payload
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* @return boolean
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*/
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private function isBatchResponse(array $payload)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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return array_keys($payload) === range(0, count($payload) - 1);
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}
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/**
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* Get a RPC call result
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*
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* @access private
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* @param array $payload
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* @return mixed
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*/
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private function getResult(array $payload)
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{
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TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));
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|
if (isset($payload['error']['code'])) {
|
||
|
|
$this->handleRpcErrors($payload['error']);
|
||
|
|
}
|
||
|
|
return isset($payload['result']) ? $payload['result'] : null;
|
||
|
|
}
|
||
|
|
}
|