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<?php |
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/* |
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+------------------------------------------------------------------------+ |
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| Plinker-RPC PHP | |
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+------------------------------------------------------------------------+ |
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| Copyright (c)2017-2018 (https://github.com/plinker-rpc/core) | |
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+------------------------------------------------------------------------+ |
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| This source file is subject to MIT License | |
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| that is bundled with this package in the file LICENSE. | |
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| | |
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| If you did not receive a copy of the license and are unable to | |
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| obtain it through the world-wide-web, please send an email | |
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| to [email protected] so we can send you a copy immediately. | |
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+------------------------------------------------------------------------+ |
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| Authors: Lawrence Cherone <[email protected]> | |
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+------------------------------------------------------------------------+ |
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*/ |
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namespace Plinker\Core { |
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/** |
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* Plinker\Core\Client |
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*/ |
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final class Client |
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{ |
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/** |
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* @var |
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*/ |
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private $component = []; |
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/** |
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* @var |
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*/ |
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private $chaining = false; |
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/** |
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* @var |
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*/ |
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private $config; |
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/** |
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* @var |
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*/ |
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private $curl; |
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/** |
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* @var |
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*/ |
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private $signer; |
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/** |
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* Class construct |
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* |
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* @param string $server - server enpoint url |
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* @param array $config - config array which holds object configuration |
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* @return void |
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*/ |
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public function __construct($server, array $config = []) |
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{ |
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$this->config = array_merge([ |
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"server" => $server, |
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"secret" => null |
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], $config); |
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// check and set client timeout |
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if (!isset($this->config["timeout"]) || !is_numeric($this->config["timeout"])) { |
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$this->config["timeout"] = 10; |
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} |
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} |
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/** |
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* Magic getter method, which sets component |
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* |
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* @param string $component |
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* @return object |
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*/ |
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1 |
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public function __get($component) |
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{ |
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// on first call reset component array and enable chaining |
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1 |
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if (!$this->chaining) { |
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$this->component = []; |
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$this->chaining = true; |
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} |
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1 |
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$this->component[] = ucfirst($component); |
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1 |
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return $this; |
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} |
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/** |
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* Magic caller method, which calls component |
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* |
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* @param string $action |
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* @param array $params |
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* @return array |
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*/ |
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public function __call($action, $params) |
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{ |
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// set chaining state |
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1 |
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$this->chaining = false; |
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// load curl |
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1 |
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if (!$this->curl) { |
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1 |
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$this->curl = new Lib\Curl([ |
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'server' => $this->config['server'], |
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'timeout' => $this->config['timeout'] |
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]); |
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} |
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// load signer |
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1 |
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if (!$this->signer) { |
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1 |
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$this->signer = new Lib\Signer([ |
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'secret' => $this->config['secret'] |
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]); |
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} |
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// change params array into numeric |
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1 |
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$params = array_values($params); |
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// unset local private key |
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1 |
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unset($this->config["plinker"]["private_key"]); |
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// encode payload |
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1 |
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$payload = $this->signer->encode([ |
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"component" => implode('\\', $this->component), |
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"config" => $this->config, |
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"action" => $action, |
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"params" => $params |
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]); |
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// post request to plinker server |
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$response = $this->curl->post($this->config["server"], $payload, [ |
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"PLINKER: ".$payload["token"] |
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]); |
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// check curl error |
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if (!empty($response['error'])) { |
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return $response; |
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} |
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// decode json |
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$body = json_decode($response['body'], true); |
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// json decode (unpack) response body |
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if (empty($body['data'])) { |
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return [ |
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'body' => $response['body'], |
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"code" => 422, |
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"error" => 'Failed to decode payload, invalid response' |
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]; |
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} |
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// verify and decode response |
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try { |
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$body = $this->signer->decode($body); |
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} catch (\Exception $e) { |
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return [ |
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'body' => $response['body'], |
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"code" => 401, |
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"error" => $e->getMessage() |
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]; |
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} |
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// check if $body is Exception |
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if ($body instanceof \Exception) { |
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throw $body; |
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} |
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// |
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return $body; |
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} |
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} |
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} |
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plinker-rpc /
core
