Pushing client to repository.

Author: ricardodevries

src/Icepay/API/Client.php

@@ -0,0 +1,262 @@
+<?php namespace Icepay\API;
+
+/**
+ * ICEPAY REST API for PHP
+ *
+ * @version     0.0.1
+ * @authors     Ricardo Jacobs <ricardozegt@gmail.com>
+ * @license     BSD-2-Clause, see LICENSE.md
+ * @copyright   (c) 2015, ICEPAY B.V. All rights reserved.
+ */
+
+use Icepay\API\Resources\Payment;
+use Icepay\API\Resources\Refund;
+
+class Client
+{
+	/**
+	 * @var $ch
+	 */
+	protected $ch;
+
+	/**
+	 * @var $api_key
+	 */
+	public $api_key;
+
+	/**
+	 * @var $api_secret
+	 */
+	public $api_secret;
+
+	/**
+	 * @var $api_completed_url
+	 */
+	public $api_completed_url;
+
+	/**
+	 * @var $api_error_url
+	 */
+	public $api_error_url;
+
+	/**
+	 * @var $api_endpoint string
+	 */
+	public $api_endpoint = 'https://connect.icepay.com/webservice/api/v1/';
+
+	/**
+	 * @var $api_version string
+	 */
+	public $api_version = '0.0.1';
+
+	/**
+	 * Supported curl methods
+	 */
+	public $api_get = "GET";
+	public $api_post = "POST";
+
+	/**
+	 * Set the API Key and trim whitespaces
+	 *
+	 * @param $api_key
+	 */
+	public function setApiKey($api_key)
+	{
+		$this->api_key = trim($api_key);
+	}
+
+	/**
+	 * Set the API Secret code and trim whitespaces
+	 *
+	 * @param $api_secret
+	 */
+	public function setApiSecret($api_secret)
+	{
+		$this->api_secret = trim($api_secret);
+	}
+
+	/**
+	 * Set the completed url after a succesfull payment and trim whitespaces.
+	 *
+	 * @param $url
+	 */
+	public function setCompletedURL($url)
+	{
+		$this->api_completed_url = trim($url);
+	}
+
+	/**
+	 * Set the error url after a error in the payment and trim whitespaces.
+	 *
+	 * @param $url
+	 */
+	public function setErrorURL($url)
+	{
+		$this->api_error_url = trim($url);
+	}
+
+	/**
+	 * API Constructor
+	 */
+	public function __construct()
+	{
+		$this->payment = new Payment($this);
+		$this->refund = new Refund($this);
+	}
+
+	/**
+	 * Request function to call our API Rest Payment Server
+	 *
+	 * @param $method
+	 * @param $api_method
+	 * @param $body
+	 * @param $checksum
+	 *
+	 * @return mixed
+	 * @throws \Exception
+	 */
+	public function request($method, $api_method, $body = NULL, $checksum)
+	{
+		/**
+		 * Check if the Merchant ID is set
+		 */
+		if (empty($this->api_key)) {
+			throw new \Exception("Please configure your ICEPAY Merchant ID.");
+		}
+
+		/**
+		 * Check if the Secret Code is set
+		 */
+		if (empty($this->api_secret)) {
+			throw new \Exception("Please configure your ICEPAY Secret Code.");
+		}
+
+		/**
+		 * Check if the CompletedURL is set
+		 */
+		if (empty($this->api_completed_url)) {
+			throw new \Exception("Please configure your setCompletedURL()");
+		}
+
+		/**
+		 * Check if the ErrorURL is set
+		 */
+		if (empty($this->api_error_url)) {
+			throw new \Exception("Please configure your setErrorURL()");
+		}
+
+		/**
+		 * Start a curl session
+		 */
+		if (empty($this->ch) || !function_exists("curl_reset")) {
+			$this->ch = curl_init();
+		} else {
+			curl_reset($this->ch);
+		}
+
+		/**
+		 * Set the curl options
+		 */
+		curl_setopt($this->ch, CURLOPT_URL, $this->api_endpoint . $api_method);
+		curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, TRUE);
+		curl_setopt($this->ch, CURLOPT_TIMEOUT, 15);
+		curl_setopt($this->ch, CURLOPT_CUSTOMREQUEST, $method);
+
+		/**
+		 * Possible output: 5.6.9
+		 */
+		$php_version = phpversion();
+
+		/**
+		 * Prepare the curl headers
+		 */
+		$api_headers = array(
+			"MerchantID: {$this->api_key}",
+			"Checksum: {$checksum}",
+			"User-Agent: ICEPAY API/{$this->api_version} PHP/{$php_version}",
+			"Accept: application/json"
+		);
+
+		/**
+		 * If the body is not null, let curl post the request as json content
+		 */
+		if ($body !== NULL) {
+			$api_headers[] = "Content-Type: application/json";
+
+			curl_setopt($this->ch, CURLOPT_POST, 1);
+			curl_setopt($this->ch, CURLOPT_POSTFIELDS, json_encode($body));
+		}
+
+		/**
+		 * Set the curl headers for the payment server
+		 */
+		curl_setopt($this->ch, CURLOPT_HTTPHEADER, $api_headers);
+
+		/**
+		 * Set the SSL options
+		 */
+		curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 2);
+		curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, TRUE);
+
+		/**
+		 * Execute the request
+		 */
+		$response = curl_exec($this->ch);
+
+		/**
+		 * Invalid or no certificate authority found, using bundled information
+		 */
+		if (curl_errno($this->ch) == 77 /* CURLE_SSL_CACERT_BADFILE */ || curl_errno($this->ch) == 60 /* CURLE_SSL_CACERT */) {
+			curl_setopt($this->ch, CURLOPT_CAINFO, realpath(dirname(__FILE__) . '/Assets/icepay.pem'));
+
+			$response = curl_exec($this->ch);
+		}
+
+		/**
+		 * Verifying peer certificate fails on OpenSSL 0.9 or earlier.
+		 * We done all we could to check the certificate on the host.
+		 * This webserver simply will not accept it and we need to connect.
+		 */
+		if (strpos(curl_error($this->ch), 'certificate subject name') !== FALSE) {
+			curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 0);
+
+			$response = curl_exec($this->ch);
+		}
+
+		/**
+		 * Check if we got any error, if so, exception it
+		 */
+		if (curl_errno($this->ch)) {
+			curl_close($this->ch);
+			$this->ch = NULL;
+
+			throw new \Exception('Unable to reach the ICEPAY payment server (' . curl_errno($this->ch) . '):' . curl_error($this->ch));
+		}
+
+		/**
+		 * Close the connection
+		 */
+		if (!function_exists("curl_reset")) {
+			curl_close($this->ch);
+			$this->ch = null;
+		} else {
+			curl_reset($this->ch);
+			$this->ch = null;
+		}
+
+		/**
+		 * Return the decoded json response
+		 */
+		return json_decode($response);
+	}
+
+	/**
+	 * Close resources if they are open
+	 */
+	public function __destruct()
+	{
+		if (is_resource($this->ch)) {
+			curl_close($this->ch);
+		}
+	}
+}