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carlossepucarlossepu
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Agrega componentes lib
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‎lib/Config.class.php‎

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<?php
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/**
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* Clase para Configurar el cliente
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* @Filename: Config.class.php
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* @version: 2.0
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* @Author: flow.cl
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* @Email: csepulveda@tuxpan.com
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* @Date: 28-04-2017 11:32
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* @Last Modified by: Carlos Sepulveda
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* @Last Modified time: 28-04-2017 11:32
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*/
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$COMMERCE_CONFIG = array(
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"APIKEY" => "1F90971E-8276-4713-97FF-2BLF5091EE3B", // Registre aquí su apiKey
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"SECRETKEY" => "f8b45f9b8bcdb5702dc86a1b894492303741c405", // Registre aquí su secretKey
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"APIURL" => "https://www.flow.cl/api", // Producción EndPoint o Sandbox EndPoint
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"BASEURL" => "http://localhost/apiFlow" //Registre aquí la URL base en su página donde instalará el cliente
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);
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class Config {
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static function get($name) {
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global $COMMERCE_CONFIG;
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if(!isset($COMMERCE_CONFIG[$name])) {
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throw new Exception("The configuration element thas not exist", 1);
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}
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return $COMMERCE_CONFIG[$name];
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}
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}

‎lib/FlowApi.class.php‎

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<?php
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/**
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* Clase cliente del Api2 de Flow
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* @Filename: FlowApi.class.php
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* @version: 2.0
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* @Author: flow.cl
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* @Email: csepulveda@tuxpan.com
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* @Date: 28-04-2017 11:32
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* @Last Modified by: Carlos Sepulveda
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* @Last Modified time: 28-04-2017 11:32
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*/
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require(__DIR__ . "/Config.class.php");
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class FlowApi {
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protected $apiKey;
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protected $secretKey;
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public function __construct() {
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$this->apiKey = Config::get("APIKEY");
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$this->secretKey = Config::get("SECRETKEY");
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}
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/**
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* Funcion que invoca un servicio del Api de Flow
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* @param string $service Nombre del servicio a ser invocado
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* @param array $params datos a ser enviados
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* @param string $method metodo http a utilizar
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* @return string en formato JSON
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*/
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public function send( $service, $params, $method = "GET") {
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$method = strtoupper($method);
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$url = Config::get("APIURL") . "/" . $service;
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$params = array("apiKey" => $this->apiKey) + $params;
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$data = $this->getPack($params, $method);
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$sign = $this->sign($params);
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if($method == "GET") {
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$response = $this->httpGet($url, $data, $sign);
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} else {
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$response = $this->httpPost($url, $data, $sign);
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}
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if(isset($response["info"])) {
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$code = $response["info"]["http_code"];
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$body = json_decode($response["output"], true);
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if($code == "200") {
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return $body;
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} elseif(in_array($code, array("400", "401"))) {
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throw new Exception($body["message"], $body["code"]);
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} else {
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throw new Exception("Unexpected error occurred. HTTP_CODE: " .$code , $code);
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}
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} else {
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throw new Exception("Unexpected error occurred.");
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}
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}
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/**
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* Funcion para setear el apiKey y secretKey y no usar los de la configuracion
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*/
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public function setKeys($apiKey, $secretKey) {
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$this->apiKey = $apiKey;
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$this->secretKey = $secretKey;
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}
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/**
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* Funcion que empaqueta los datos de parametros para ser enviados
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* @param array $params datos a ser empaquetados
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* @param string $method metodo http a utilizar
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*/
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private function getPack($params, $method) {
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$keys = array_keys($params);
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sort($keys);
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$data = "";
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foreach ($keys as $key) {
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if($method == "GET") {
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$data .= "&" . rawurlencode($key) . "=" . rawurlencode($params[$key]);
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} else {
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$data .= "&" . $key . "=" . $params[$key];
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}
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}
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return substr($data, 1);
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}
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/**
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* Funcion que firma los parametros
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* @param string $params Parametros a firmar
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* @return string de firma
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*/
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private function sign($params) {
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$keys = array_keys($params);
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sort($keys);
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$toSign = "";
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foreach ($keys as $key) {
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$toSign .= "&" . $key . "=" . $params[$key];
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}
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$toSign = substr($toSign, 1);
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if(!function_exists("hash_hmac")) {
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throw new Exception("function hash_hmac not exist", 1);
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}
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return hash_hmac('sha256', $toSign , $this->secretKey);
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}
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/**
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* Funcion que hace el llamado via http GET
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* @param string $url url a invocar
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* @param array $data datos a enviar
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* @param string $sign firma de los datos
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* @return string en formato JSON
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*/
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private function httpGet($url, $data, $sign) {
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$url = $url . "?" . $data . "&s=" . $sign;
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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$output = curl_exec($ch);
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if($output === false) {
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$error = curl_error($ch);
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throw new Exception($error, 1);
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}
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$info = curl_getinfo($ch);
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curl_close($ch);
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return array("output" =>$output, "info" => $info);
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}
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/**
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* Funcion que hace el llamado via http POST
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* @param string $url url a invocar
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* @param array $data datos a enviar
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* @param string $sign firma de los datos
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* @return string en formato JSON
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*/
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private function httpPost($url, $data, $sign ) {
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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curl_setopt($ch, CURLOPT_POST, TRUE);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $data . "&s=" . $sign);
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$output = curl_exec($ch);
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if($output === false) {
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$error = curl_error($ch);
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throw new Exception($error, 1);
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}
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$info = curl_getinfo($ch);
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curl_close($ch);
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return array("output" =>$output, "info" => $info);
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}
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}

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