function process($type, $AWSAccessKeyID, $AWSSecretAccessKey)
{
$uniqueId = $type . '-ISC-' . microtime(true);
// prepare the REST request array map
$request = array('Action' => 'InstallPaymentInstruction', 'PaymentInstruction' => "MyRole == '" . $type . "' orSay 'Roles do not match';", 'CallerReference' => $uniqueId, 'TokenType' => 'Unrestricted');
$timestamp = gmdate("Y-m-d\\TH:i:s\\Z");
$SERVICE_VERSION = "2007-01-08";
$SIGNATURE_VERSION = "1";
$array1 = array();
$array1["Timestamp"] = $timestamp;
$array1["Version"] = $SERVICE_VERSION;
$array1["SignatureVersion"] = $SIGNATURE_VERSION;
$array1["AWSAccessKeyId"] = $AWSAccessKeyID;
$array = $request + $array1;
$signiture = FPSSignatureHelper::generateSignature($AWSSecretAccessKey, $array);
$sortedUrl = FPSSignatureHelper::sortedParams($array, true);
$url = AmazonTokenCreator::$amazonfpsURL . "?" . $sortedUrl . "&Signature=" . urlencode($signiture);
if (function_exists("curl_exec")) {
// Use CURL if it's available
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
// Setup the proxy settings if there are any
$response = curl_exec($ch);
$xmlresponse = new SimpleXMLElement($response);
}
if (!empty($xmlresponse)) {
//handle HTTP response. Fatal error if did not pass this step
if ($xmlresponse->Status == 'Success') {
echo $type . ' ID : ' . $xmlresponse->TokenId . "<br>";
} else {
//handle response (basic error handling
echo "Fatal Error: <br> ";
echo "Response: " . $xmlresponse->Errors->Error->Message . "<br>";
}
}
}
static function generateSignature($secret, $paramsArray)
{
$sorted_string_to_encode = FPSSignatureHelper::sortedParams($paramsArray, false);
$signature = FPSSignatureHelper::generate_base64_hmac_sha1($secret, $sorted_string_to_encode);
return $signature;
}
public function VerifyOrderPayment()
{
$callertoken = $_REQUEST['CallerTokenId'];
$receipttoken = $_REQUEST['RecipientTokenId'];
$sendertoken = $_REQUEST['tokenID'];
$status = $_REQUEST['status'];
$orderid = $_REQUEST['Order'];
$key = $_REQUEST['Key'];
$sessionId = $_REQUEST['SessionId'];
$amount = $_REQUEST['PaymentAmount'];
if (empty($status)) {
return false;
}
if (!($status == 'SA' || $status == 'SB' || $status == 'SC')) {
$GLOBALS['ISC_CLASS_LOG']->LogSystemError(array('payment', $this->GetName()), GetLang('AmazonFpsPaymentError'));
return false;
}
if ($this->GetCombinedOrderId() != $orderid) {
$GLOBALS['ISC_CLASS_LOG']->LogSystemError(array('payment', $this->GetName()), GetLang('AmazonFpsErrorOrderId'));
return false;
}
if ($this->GetGatewayAmount() != $amount) {
$GLOBALS['ISC_CLASS_LOG']->LogSystemError(array('payment', $this->GetName()), GetLang('AmazonFpsErrorGatewayAmount'));
return false;
}
if (md5($this->GetValue("accessid") . $orderid . $sessionId . $amount . $callertoken . $receipttoken) != $key) {
$GLOBALS['ISC_CLASS_LOG']->LogSystemError(array('payment', $this->GetName()), GetLang('AmazonFpsErrorHash'));
return false;
}
$chargeFeeTo = 'Recipient';
$date = date('Y-m-d') . "T" . date('H:i:s');
$callerReference = 'Order-' . $orderid . microtime(true);
$timestamp = gmdate("Y-m-d\\TH:i:s\\Z");
$parameters = array('Action' => 'Pay', 'CallerTokenId' => $callertoken, 'SenderTokenId' => $sendertoken, 'RecipientTokenId' => $receipttoken, 'TransactionAmount.Amount' => round($amount, 2), 'TransactionAmount.CurrencyCode' => 'USD', 'TransactionDate' => $date, 'ChargeFeeTo' => $chargeFeeTo, 'CallerReference' => $callerReference, 'Timestamp' => $timestamp, 'Version' => '2007-01-08', 'SignatureVersion' => 1, 'AWSAccessKeyId' => $this->GetValue('accessid'));
require_once 'lib/CBUI/CBUISignatureHelper.class.php';
require_once 'lib/FPS/FPSSignatureHelper.class.php';
require_once 'lib/Crypt/HMAC.php';
$signature = FPSSignatureHelper::generateSignature($this->GetValue('secretkey'), $parameters);
$sorted_url = FPSSignatureHelper::sortedParams($parameters, true);
if ($this->GetValue('testmode') == "YES") {
$url = 'https://fps.sandbox.amazonaws.com/';
} else {
$url = 'https://fps.amazonaws.com/';
}
if (function_exists("curl_exec")) {
// Use CURL if it's available
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $sorted_url . "&Signature=" . urlencode($signature));
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
// Setup the proxy settings if there are any
if (GetConfig('HTTPProxyServer')) {
curl_setopt($ch, CURLOPT_PROXY, GetConfig('HTTPProxyServer'));
if (GetConfig('HTTPProxyPort')) {
curl_setopt($ch, CURLOPT_PROXYPORT, GetConfig('HTTPProxyPort'));
}
}
if (GetConfig('HTTPSSLVerifyPeer') == 0) {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
}
$result = curl_exec($ch);
if (curl_errno($ch)) {
$this->SetError(GetLang($this->_languagePrefix . "SomethingWentWrong") . $this->GetValue('displayname') . ":" . curl_error($ch));
return false;
}
}
if (!empty($result)) {
$xml = new SimpleXMLElement($result);
} else {
$this->SetError(GetLang($this->_languagePrefix . "SomethingWentWrong") . $this->GetValue('displayname'));
return false;
}
$transaction = GetClass('ISC_TRANSACTION');
$previousTransaction = $transaction->LoadByTransactionId($sendertoken, $this->GetId());
// Already processed before, HALT and log error
if (is_array($previousTransaction) && $previousTransaction['transactionid']) {
$GLOBALS['ISC_CLASS_LOG']->LogSystemError(array('payment', $this->GetName()), sprintf(GetLang('AmazonFpsAlreadyProcessed'), $sendertoken));
return false;
}
$newTransaction = array('providerid' => $this->GetId(), 'transactiondate' => time(), 'transactionid' => $sendertoken, 'orderid' => array_keys($this->GetOrders()), 'message' => '', 'status' => '', 'amount' => $amount, 'extrainfo' => array());
if ($xml->Status == 'Failure') {
$this->SetError("Status : " . $xml->Status . ":" . $xml->Errors->Errors->ReasonText);
$newTransaction['status'] = TRANS_STATUS_FAILED;
$newTransaction['message'] = (string) $xml->Errors->Errors->ReasonText;
$transactionId = $transaction->Create($newTransaction);
return false;
}
if ($xml->Status == 'Success') {
$GLOBALS['ISC_CLASS_LOG']->LogSystemSuccess(array('payment', $this->GetName()), GetLang('AmazonFpsSuccess'));
$this->SetPaymentStatus(PAYMENT_STATUS_PAID);
$newTransaction['status'] = TRANS_STATUS_COMPLETED;
$newTransaction['message'] = 'Success';
$transactionId = $transaction->Create($newTransaction);
return true;
}
return false;
}
