Added base plugin, in preperation for the API

src/Message/CompletePurchaseRequest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Omnipay\Inforbank\Message;
+
+class CompletePurchaseRequest extends AbstractRequest
+{
+    protected $endpoint = "https://inforbank.nl/api/statusRequest";
+
+    protected function generateSignature()
+    {
+        return sha1(
+            $this->getTransactionReference() . $this->getClientId() . $this->getClientSecret()
+        );
+    }
+
+    public function getTransactionReference()
+    {
+        return $this->httpRequest->query->get('trxid');
+    }
+
+    public function getData()
+    {
+        $this->validate('merchantId', 'merchantKey');
+
+        $data = array(
+            "clientId" => $this->getClientId(),
+            "clientSecret" => $this->getClientSecret(),
+            "transactionId" => $this->getTransactionReference(),
+            "sha1" => $this->generateSignature()
+        );
+    }
+
+    public function sendData($data)
+    {
+        $httpResponse = $this->httpClient->post($this->endpoint, null, $data)->send();
+        return $this->response = new CompletePurchaseResponse($this, $httpResponse->json());
+    }
+}