public function validateRequest(array $requiredParams)
{
$objUtilResponse = new Response();
$objUtilRequest = new Request();
if ($objUtilRequest->isPost()) {
$accessKeyId = $objUtilRequest->getPost('access_key', false);
$signature = trim($objUtilRequest->getPost('signature', false));
$timestamp = $objUtilRequest->getPost('timestamp', false);
// Required to generate variable signature
$parameters = array('timestamp' => $timestamp);
$allParamsPresent = true;
foreach ($requiredParams as $paramName) {
$paramValue = $objUtilRequest->getPost($paramName, false);
if ($paramName) {
$parameters[$paramName] = $paramValue;
} else {
$allParamsPresent = false;
break;
}
}
if ($accessKeyId && $signature && $timestamp) {
// Okay we have all required parameters
// Let's identify user
$requestParams = $objUtilRequest->getRequest();
$objServerHelper = new ServerInfo();
$url = $objServerHelper->serverUrl(true);
$userSyncRestMdl = new \api\Server($parameters, $accessKeyId, null, $url);
$isValidTimestamp = $userSyncRestMdl->isValidTimestamp($timestamp);
if (!$isValidTimestamp) {
$objUtilResponse->renderJson(array('status' => 403, 'message' => 'Invalid Timestamp'), 403);
}
$userProductMdl = new \models\ApiProducts();
$apiProductDetails = $userProductMdl->isValidAccessKey($accessKeyId);
if ($apiProductDetails) {
// Valid access key
$userSyncRestMdl->setSecretKey($apiProductDetails->secret_key);
$isValidSignature = $userSyncRestMdl->isValidSignature($signature);
if ($isValidSignature === true) {
return $apiProductDetails;
} else {
$objUtilResponse->renderJson(array('status' => 403, 'message' => 'Invalid Signature'), 403);
}
} else {
$objUtilResponse->renderJson(array('status' => 403, 'message' => 'Invalid access key.'), 403);
}
} else {
$objUtilResponse->renderJson(array('status' => 403, 'message' => 'Required parameters are missing.'), 403);
}
} else {
$objUtilResponse->renderJson(array('status' => 403, 'message' => 'Only post requests are accepted'), 403);
}
}