Merge pull request #37 from sudiptpa/fix/adding-exception

Added Invalidfingerprint Exception with support to grab returned Data.

Author: sudiptpa

src/Exception/InvalidFingerprintException.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Omnipay\NABTransact\Exception;
+
+class InvalidFingerprintException extends \Exception implements \Omnipay\Common\Exception\OmnipayException
+{
+    private $data = [];
+
+    public function __construct($message, $data = [])
+    {
+        $this->data = $data;
+
+        parent::__construct($message);
+    }
+
+    public function getData()
+    {
+        return $this->data;
+    }
+}

src/Message/DirectPostCompletePurchaseRequest.php

@@ -2,7 +2,7 @@
 
 namespace Omnipay\NABTransact\Message;
 
-use Omnipay\Common\Exception\InvalidRequestException;
+use Omnipay\NABTransact\Exception\InvalidFingerprintException;
 
 /**
  * NABTransact Direct Post Complete Purchase Request.
@@ -13,8 +13,12 @@ public function getData()
     {
         $data = $this->httpRequest->query->all();
 
-        if ($this->generateResponseFingerprint($data) !== $this->httpRequest->query->get('fingerprint')) {
-            throw new InvalidRequestException('Invalid fingerprint');
+        $received_fingerprint = $this->httpRequest->query->get('fingerprint');
+
+        $generated_fingerprint = $this->generateResponseFingerprint($data);
+
+        if ($generated_fingerprint !== $received_fingerprint) {
+            throw new InvalidFingerprintException('Invalid fingerprint', $data);
         }
 
         return $data;

tests/Message/DirectPostAuthorizeRequestTest.php

@@ -32,7 +32,7 @@ public function testFingerprint()
         $data = $this->request->getData();
         $data['EPS_TIMESTAMP'] = '20161126053143';
 
-        $this->assertSame('687bb11413254824e3f854be330b5b5f2efaaf6d', $this->request->generateFingerprint($data));
+        $this->assertSame('a748577a6fe6fbbda744a4df9e36595bd1a9bcaefc88f360ea60126c93ffc042', $this->request->generateFingerprint($data));
     }
 
     public function testSend()

tests/Message/DirectPostCompletePurchaseRequestTest.php

@@ -28,7 +28,7 @@ public function testGenerateResponseFingerprint()
         ];
 
         $this->assertSame(
-            '79200d1df5dc3f914a90ce476fdef317d224629f',
+            '56dc3f5dc4473d66138913317e743ea208e205a3be1abdd6515b5c5578a58f38',
             $this->request->generateResponseFingerprint($data)
         );
     }
@@ -47,7 +47,7 @@ public function testSuccess()
             [
                 'timestamp'            => '20161125130241',
                 'callback_status_code' => '-1',
-                'fingerprint'          => 'e30eb8381bc41201fbdf54a021d8228a3fbb6a6f',
+                'fingerprint'          => '796a4f3ac07d04f2336188ffe5a4befeb9fcb6f756061d4e42a30f228cda420e',
                 'txnid'                => '271337',
                 'merchant'             => 'XYZ0010',
                 'restext'              => 'Approved',
@@ -84,7 +84,7 @@ public function testFailure()
         $this->getHttpRequest()->query->replace([
             'timestamp'            => '20161126051715',
             'callback_status_code' => '404',
-            'fingerprint'          => 'cd75e2ef38cf63a2fa390024539acc7691eebc1d',
+            'fingerprint'          => 'd94853f8c8d1bc1b21978f64cc866d824d2feca61224afb9a4e31a9c286d0008',
             'txnid'                => '274279',
             'merchant'             => 'XYZ0010',
             'restext'              => 'Customer Dispute',

tests/Message/DirectPostPurchaseRequestTest.php

@@ -33,7 +33,7 @@ public function testFingerprint()
         $data['EPS_TIMESTAMP'] = '20161125123332';
 
         $this->assertSame(
-            'cbb64e71e360dba6337f22a00bdf0d0b89a7a568',
+            '8d0ca8e666d5e83f8ce9b0d661dafd2328b1c3c58e8a3118cdab2feef9bfaac5',
             $this->request->generateFingerprint($data)
         );
     }

tests/Message/UnionPayPurchaseRequestTest.php

@@ -34,7 +34,7 @@ public function testFingerprint()
         $data['EPS_TIMESTAMP'] = '20161125123332';
 
         $this->assertSame(
-            '36e686feef0ec7a53d5b6289707bc47e4bb83c95',
+            'a44c4e30e838b34bfbcbe89495f50c1527c1c2c4229960b8d9de159fb5a99f20',
             $this->request->generateFingerprint($data)
         );
     }