/// <summary>
/// Gets the Apple App receipt. This method only works if receipt validation is enabled.
/// </summary>
/// <returns>The Apple App receipt.</returns>
public static AppleReceipt GetAppleAppReceipt()
{
if (!IsInitialized())
{
Debug.Log("Couldn't get Apple app receipt: In-App Purchasing is not initialized.");
return(null);
}
if (!EM_Settings.InAppPurchasing.ValidateAppleReceipt)
{
Debug.Log("Couldn't get Apple app receipt: Please enable Apple receipt validation.");
return(null);
}
// Note that the code is disabled in the editor for it to not stop the EM editor code (due to ClassNotFound error)
// from recreating the dummy AppleTangle class if they were inadvertently removed.
#if UNITY_IOS && !UNITY_EDITOR
// Get a reference to IAppleConfiguration during IAP initialization.
var appleConfig = sBuilder.Configure <IAppleConfiguration>();
var receiptData = System.Convert.FromBase64String(appleConfig.appReceipt);
AppleReceipt receipt = new AppleValidator(AppleTangle.Data()).Validate(receiptData);
return(receipt);
#else
Debug.Log("Getting Apple app receipt is only available on iOS.");
return(null);
#endif
}
/// <summary>
/// Gets introductory offer details.
/// Includes Free Trial.
/// </summary>
/// <param name="productID">Product ID</param>
/// <param name="groupProductIDs">Group products that productID belongs to.
/// If empty or null, assume productID is in its own group.</param>
/// <returns>Offer details if exists.</returns>
public UniTask <IntroductoryOffer> GetIntroductoryOfferDetailsAsync(string productID, string[] groupProductIDs = null)
{
// Determine if product exists.
var products = apple.GetProductDetails();
if (products == null || !products.ContainsKey(productID))
{
// No product available.
return(UniTask.FromResult <IntroductoryOffer>(null));
}
// Get product details.
IntroductoryOffer offer = null;
try {
offer = new IOSIntroductoryOfferFactory(products[productID]).Make();
} catch (InvalidOfferException) {
// Invalid offer.
return(UniTask.FromResult <IntroductoryOffer>(null));
} catch (Exception e) {
// Invalid json!
Debug.LogWarning($"Invalid product data detected! {e.Message}");
return(UniTask.FromResult <IntroductoryOffer>(null));
}
try {
var receiptData = System.Convert.FromBase64String(appleConfig.appReceipt);
AppleReceipt receipt = new AppleValidator(appleTangleData).Validate(receiptData);
if (receipt == null || receipt.inAppPurchaseReceipts == null)
{
// no previous subscription purchased.
return(UniTask.FromResult(offer));
}
if (groupProductIDs == null || groupProductIDs.Length == 0)
{
groupProductIDs = new string[] { productID };
}
var prevCampaignPurchase = receipt.inAppPurchaseReceipts
.FirstOrDefault(r =>
groupProductIDs.Contains(r.productID) &&
(r.isFreeTrial != 0 || r.isIntroductoryPricePeriod != 0));
if (prevCampaignPurchase != null)
{
// user already used free trial or introductory offer.
return(UniTask.FromResult <IntroductoryOffer>(null));
}
} catch {
// unable to validate receipt or unable to access.
return(UniTask.FromResult <IntroductoryOffer>(null));
}
return(UniTask.FromResult(offer));
}
PurchaseProcessingResult IStoreListener.ProcessPurchase(PurchaseEventArgs e)
{
DebugLog("Processing a purchase");
// receipt validation tangle data not available.
if (appleTangleData == null)
{
OnPurchased?.Invoke(PurchaseResponse.Ok, e.purchasedProduct);
onRestored?.Invoke(PurchaseResponse.Ok);
onRestored = null;
return(PurchaseProcessingResult.Complete);
}
// validate receipt.
try {
var receiptData = System.Convert.FromBase64String(appleConfig.appReceipt);
AppleReceipt receipt = new AppleValidator(appleTangleData).Validate(receiptData);
#if DEBUG_IAP
foreach (AppleInAppPurchaseReceipt receipts in receipt.inAppPurchaseReceipts)
{
var sb = new StringBuilder("Purchase Receipt Details:");
sb.Append($"\n Original Transaction ID: {receipts.originalTransactionIdentifier}");
sb.Append($"\n Intro Price Period: {receipts.isIntroductoryPricePeriod}");
sb.Append($"\n Product ID: {receipts.productID}");
sb.Append($"\n Product type: {receipts.productType}");
sb.Append($"\n Quantity: {receipts.quantity}");
sb.Append($"\n Original Transaction ID: {receipts.originalTransactionIdentifier}");
sb.Append($"\n Original Purchase Date: {receipts.originalPurchaseDate}");
sb.Append($"\n Purchase Date: {receipts.purchaseDate}");
sb.Append($"\n Cancellation Date: {receipts.cancellationDate}");
sb.Append($"\n Subsc Expiration Date: {receipts.subscriptionExpirationDate}");
sb.Append($"\n Free trial: {receipts.isFreeTrial}");
DebugLog(sb);
}
#endif
OnPurchased?.Invoke(PurchaseResponse.Ok, e.purchasedProduct);
onRestored?.Invoke(PurchaseResponse.Ok);
onRestored = null;
} catch (IAPSecurityException err) {
Debug.Log($"Invalid receipt or security exception: {err.Message}");
OnPurchased?.Invoke(PurchaseResponse.InvalidReceipt, e.purchasedProduct);
onRestored?.Invoke(PurchaseResponse.InvalidReceipt);
onRestored = null;
} catch {
OnPurchased?.Invoke(PurchaseResponse.InvalidReceipt, e.purchasedProduct);
onRestored?.Invoke(PurchaseResponse.InvalidReceipt);
onRestored = null;
}
return(PurchaseProcessingResult.Complete);
}
