/**
* @param $method
* @param $uri
* @param array $nameValuePairs either headers or request params in format [ key => value ]
* @param string $body
* @throws Exception
*/
public function validateSignature($method, $uri, array $nameValuePairs, $body = "")
{
$expectedSignature = $nameValuePairs["signature"];
$actualSignature = $this->createSignature($method, $uri, PaymentHighwayUtility::parseSphParameters($nameValuePairs), $body);
if ($expectedSignature != $actualSignature) {
throw new Exception("Response signature mismatch!");
}
}
/**
* @param string $uri
* @param array $sphNameValuePairs
* @return string formatted signature
*/
private function createSecureSign($uri, $sphNameValuePairs = array())
{
$parsedSphParameters = PaymentHighwayUtility::parseSphParameters($sphNameValuePairs);
$secureSigner = new SecureSigner($this->signatureKeyId, $this->signatureSecret);
return $secureSigner->createSignature($this->method, $uri, $parsedSphParameters);
}
/**
* @dataProvider provider
* @test
* @param array $values
*/
public function arrayFilteringIsWorkingCorrectly($values, $expectedRows)
{
$filtered = PaymentHighwayUtility::parseSphParameters($values);
$this->assertCount($expectedRows, $filtered);
}