// check for purchases on online servers at billing initialization.
// If a purchase is not registered, set local purchase state back to false
private void VerifyReceipts()
{
//get list of old purchases: on iOS the saved transactions,
//on Android we use the old purchases list received from Google
if (inventory == null || inventory.GetAllPurchases().Count == 0)
{
return;
}
//loop over all IAP items to check if a valid receipt exists
for (int i = 0; i < ids.Length; i++)
{
//cache IAP id,
//only verify purchased items
string localId = ids[i];
string globalId = GetIAPIdentifier(localId);
if (DBManager.isPurchased(globalId))
{
//initialize item as faked and loop over receipts
bool faked = true;
Purchase receipt = inventory.GetPurchase(localId);
if (receipt != null)
{
//we found a receipt for this product on the device,
//unset fake purchase and let our external
//server decide what happens with this transaction
faked = false;
MakeRequest(receipt);
break;
}
//we haven't found a receipt for this item, yet it is
//set to purchased. This can't be, maybe our external server
//response or the database has been hacked with fake data
if (faked)
{
IAPItem item = null;
if (ShopManager.GetInstance())
{
item = ShopManager.GetIAPItem(globalId);
}
if (item)
{
item.Purchased(false);
}
DBManager.RemovePurchased(globalId);
}
}
}
}
private void OnProductsRetrieved(BillingResult result)
{
if (!result.IsSuccess)
{
OnSetupFailed(result.Response + ", " + result.Message);
return;
}
AndroidInventory inventory = AndroidInAppPurchaseManager.Client.Inventory;
List <GoogleProductTemplate> list = inventory.Products;
List <GooglePurchaseTemplate> purchases = inventory.Purchases;
string globalId = null;
string storeId = null;
for (int i = 0; i < list.Count; i++)
{
storeId = list[i].SKU;
globalId = IAPManager.GetIAPIdentifier(storeId);
if (!products.ContainsKey(globalId))
{
products.Add(globalId, new ProductDescription(storeId, new ProductMetadata(list[i].LocalizedPrice,
list[i].Title, list[i].Description,
list[i].PriceCurrencyCode, (decimal)list[i].Price)));
}
//check for non-consumed consumables
if (storeId in purchases)
{
IAPObject obj = IAPManager.GetIAPObject(IAPManager.GetIAPIdentifier(purchases[i].SKU));
if (obj != null && obj.type == ProductType.Consumable)
{
AndroidInAppPurchaseManager.Client.Consume(purchases[i].SKU);
continue;
}
}
bool storeResult = inventory.IsProductPurchased(storeId);
if (storeResult == true)
{
products[globalId] = new ProductDescription(storeId, products[globalId].metadata, inventory.GetPurchaseDetails(storeId).Token, inventory.GetPurchaseDetails(storeId).OrderId);
}
#if !UNITY_EDITOR
//auto restore products in case database does not match
if (storeResult != DBManager.isPurchased(globalId))
{
if (storeResult)
{
DBManager.SetToPurchased(globalId);
}
else
{
DBManager.RemovePurchased(globalId);
}
}
#endif
}
callback.OnProductsRetrieved(products.Values.ToList());
}
// handles an online verification request and response from
// our external server. www.text can returns true or false.
// true: purchase verified, false: not verified (fake?) purchase
IEnumerator WaitForRequest(Dictionary <string, string> dic)
{
//cache requested product id
string id = dic["pid"];
//build POST request with transaction data
WWWForm form = new WWWForm();
foreach (string key in dic.Keys)
{
form.AddField(key, dic[key]);
}
//create URL and execute until we have a respone
WWW www = new WWW(serverUrl + verificationFileName, form);
yield return(www);
//check for URL errors
if (www.error == null)
{
//we have a successful response from our server,
//but it returned false (fake purchase)
if (!bool.Parse(www.text))
{
inventory.ErasePurchase(id);
if (debug)
{
Debug.Log("The receipt for '" + id + "' could not be verified: " + www.text);
}
//PurchaseFailed("The receipt for '" + id + "' could not be verified.");
id = GetIAPIdentifier(id);
//remove purchase from the database and update item state
if (DBManager.isPurchased(id))
{
IAPItem item = null;
if (ShopManager.GetInstance())
{
item = ShopManager.GetIAPItem(id);
}
if (item)
{
item.Purchased(false);
}
DBManager.RemovePurchased(id);
}
yield break;
}
else
{
//successful response, verified transaction
if (debug)
{
Debug.Log(dic["pid"] + " verification success.");
}
}
}
else
{
//we can't reach our external server, do nothing:
//in this case we handle the purchase as without verification
if (debug)
{
Debug.Log("Verification URL error: " + www.text);
}
}
id = GetIAPIdentifier(id);
PurchaseVerified(id);
}
// check for purchases on online servers at billing initialization.
// If a purchase is not registered, set local purchase state back to false
private void VerifyReceipts()
{
//get list of old purchases: on iOS the saved and filtered transactions (avoiding duplicates),
//on Android we use the old purchases list received from Google
#if UNITY_IPHONE
List <StoreKitTransaction> prods = FilterTransactions(StoreKitBinding.getAllSavedTransactions());
#endif
if (prods == null || prods.Count == 0)
{
return;
}
//loop over all IAP items to check if a valid receipt exists
for (int i = 0; i < ids.Length; i++)
{
//cache IAP id,
//only verify purchased items
string localId = ids[i];
string globalId = GetIAPIdentifier(localId);
if (DBManager.isPurchased(globalId))
{
//initialize item as faked and loop over receipts
bool faked = true;
for (int j = 0; j < prods.Count; j++)
{
//find corresponding transaction class
string identifier = "";
#if UNITY_IPHONE
StoreKitTransaction purchase = prods[j];
identifier = purchase.productIdentifier;
#elif UNITY_ANDROID
GooglePurchase purchase = prods[j];
identifier = purchase.productId;
#endif
if (identifier == localId)
{
//we found a receipt for this product on the device,
//unset fake purchase and let our external
//server decide what happens with this transaction
faked = false;
MakeRequest(purchase);
break;
}
}
//we haven't found a receipt for this item, yet it is
//set to purchased. This can't be, maybe our external server
//response or the database has been hacked with fake data
if (faked)
{
IAPItem item = null;
if (ShopManager.GetInstance())
{
item = ShopManager.GetIAPItem(globalId);
}
if (item)
{
item.Purchased(false);
}
DBManager.RemovePurchased(globalId);
}
}
}
}
