public function postProcess()
{
$res = \CashWay\API::receiveNotification(Tools::file_get_contents('php://input'), getallheaders(), Configuration::get('CASHWAY_SHARED_SECRET'));
if ($res[0] === false) {
$this->terminateReply($res[2], $res[1]);
}
$event = $res[1];
$this->data = $res[2];
$handler = $this->snakeToCamel('on_' . $event);
method_exists($this, $handler) ? $this->{$handler}() : $this->terminateReply(400, 'Do not know how to handle this event.');
}
/**
* Validate input payload:
* - if it comes with a signature, validate signature,
* - parse it (JSON)
*
* @param $file payload source
*
* @return Array
*/
private function getValidPayload($file)
{
$this->headers = getallheaders();
$data = file_get_contents($file);
if (!array_key_exists('X-CashWay-Signature', $this->headers)) {
$this->terminateReply(400, 'A signature header is required.');
}
$signature = trim($this->headers['X-CashWay-Signature']);
if ($signature == 'none' || $signature == '') {
$this->terminateReply(400, 'A real signature is required.');
}
if (!\CashWay\API::isDataValid($data, Configuration::get('CASHWAY_SHARED_SECRET'), $signature)) {
$this->terminateReply(400, 'Payload signature does not match.');
}
$this->data = json_decode($data);
if (null === $this->data) {
$this->terminateReply(400, 'Could not parse JSON payload.');
}
return $this->data;
}
/**
* @dataProvider notificationsProvider
*/
public function testReceiveNotification($body, $headers, $secret, $expected)
{
$this->assertEquals($expected, \CashWay\API::receiveNotification($body, $headers, $secret));
}