function commerce_braintree_express_checkout_validate_nonce in Commerce Braintree 7.3

Validates that a nonce is still active and has not been consumed.

Parameters

$nonce: The Braintree nonce.

Return value

bool TRUE if the nonce is still valid.

2 calls to commerce_braintree_express_checkout_validate_nonce()

commerce_braintree_express_checkout_form_alter in modules/commerce_braintree_express_checkout/commerce_braintree_express_checkout.module

Implements hook_form_alter().

commerce_braintree_express_checkout_submit_form in modules/commerce_braintree_express_checkout/commerce_braintree_express_checkout.module

Form callback for Braintree Express Checkout payment method.

File

modules/commerce_braintree_express_checkout/commerce_braintree_express_checkout.module, line 226

Provides integration PayPal Express Checkout for Braintree.

Code

function commerce_braintree_express_checkout_validate_nonce($nonce) {

  // Utilize static caching to prevent extraneous API calls.
  $valid =& drupal_static(__FUNCTION__);
  if (!isset($valid)) {
    $payment_method = commerce_payment_method_instance_load(COMMERCE_BRAINTREE_EXPRESS_CHECKOUT_INSTANCE_ID);
    commerce_braintree_initialize($payment_method);
    $result = Braintree_PaymentMethodNonce::find($nonce);

    // The nonce is valid if a response is returned and it has not been
    // previously consumed.
    $valid = !empty($result) && isset($result->consumed) && $result->consumed == FALSE;
  }
  return $valid;
}