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/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.pay.ios.apple;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.pay.*;
import libcore.io.Base64;
import org.robovm.apple.foundation.*;
import org.robovm.apple.storekit.*;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/** The purchase manager implementation for Apple's iOS IAP system (RoboVM).
*
* @author HD_92 (BlueRiverInteractive)
* @author noblemaster
* @author alex-dorokhov
* */
public class PurchaseManageriOSApple implements PurchaseManager {
private static final String TAG = "GdxPay/AppleIOS";
private static final boolean LOGDEBUG = true;
private static final int LOGTYPELOG = 0;
private static final int LOGTYPEERROR = 1;
private static NSNumberFormatter numberFormatter;
private PurchaseObserver observer;
private PurchaseManagerConfig config;
private AppleTransactionObserver appleObserver;
private PromotionTransactionObserver startupTransactionObserver;
private SKProductsRequest productsRequest;
private NSArray products;
private final List restoredTransactions = new ArrayList();
@Override
public String storeName () {
return PurchaseManagerConfig.STORE_NAME_IOS_APPLE;
}
/**
* @param autoFetchInformation is not used, because without product information on ios it's not possible to fill
* {@link Transaction} object on successful purchase
**/
@Override
public void install (PurchaseObserver observer, PurchaseManagerConfig config, boolean autoFetchInformation) {
this.observer = observer;
this.config = config;
log(LOGTYPELOG, "Installing purchase observer...");
// Check if the device is configured for purchases.
if (SKPaymentQueue.canMakePayments()) {
// Create string set from offer identifiers.
int size = config.getOfferCount();
Set productIdentifiers = new HashSet(size);
for (int i = 0; i < size; i++) {
productIdentifiers.add(config.getOffer(i).getIdentifierForStore(PurchaseManagerConfig.STORE_NAME_IOS_APPLE));
}
if (appleObserver == null && startupTransactionObserver == null) {
// Installing intermediate observer to handle App Store promotions
startupTransactionObserver = new PromotionTransactionObserver();
final SKPaymentQueue defaultQueue = SKPaymentQueue.getDefaultQueue();
defaultQueue.addTransactionObserver(startupTransactionObserver);
defaultQueue.addStrongRef(startupTransactionObserver);
log(LOGTYPELOG, "Startup purchase observer successfully installed!");
}
// Request configured offers/products.
log(LOGTYPELOG, "Requesting products...");
productsRequest = new SKProductsRequest(productIdentifiers);
productsRequest.setDelegate(new IosFetchProductsAndInstallDelegate());
productsRequest.start();
} else {
log(LOGTYPEERROR, "Error setting up in-app-billing: Device not configured for purchases!");
observer.handleInstallError(new GdxPayException(
"Error installing purchase observer: Device not configured for purchases!"));
}
}
@Override
public boolean installed () {
return appleObserver != null;
}
@Override
public void dispose () {
if (appleObserver != null) {
// Remove and null our apple transaction observer.
SKPaymentQueue defaultQueue = SKPaymentQueue.getDefaultQueue();
defaultQueue.removeTransactionObserver(appleObserver);
defaultQueue.removeStrongRef(appleObserver);
appleObserver = null;
productsRequest = null;
products = null;
restoredTransactions.clear();
observer = null;
config = null;
log(LOGTYPELOG, "Disposed purchase manager!");
}
}
@Override
public void purchase (String identifier) {
// Find the SKProduct for this identifier.
String identifierForStore = config.getOffer(identifier).getIdentifierForStore(PurchaseManagerConfig.STORE_NAME_IOS_APPLE);
SKProduct product = getProductByStoreIdentifier(identifierForStore);
if (product == null) {
// Product with this identifier not found: load product info first and try to purchase again
log(LOGTYPELOG, "Requesting product info for " + identifierForStore);
Set identifierForStoreSet = new HashSet(1);
identifierForStoreSet.add(identifierForStore);
productsRequest = new SKProductsRequest(identifierForStoreSet);
productsRequest.setDelegate(new AppleProductsDelegatePurchase());
productsRequest.start();
}
else {
// Create a SKPayment from the product and start purchase flow
log(LOGTYPELOG, "Purchasing product " + identifier + " ...");
SKPayment payment = new SKPayment(product);
SKPaymentQueue.getDefaultQueue().addPayment(payment);
}
}
@Override
public void purchaseRestore () {
log(LOGTYPELOG, "Restoring purchases...");
// Clear previously restored transactions.
restoredTransactions.clear();
// Start the restore flow.
SKPaymentQueue.getDefaultQueue().restoreCompletedTransactions();
}
SKProduct getProductByStoreIdentifier (String identifierForStore) {
if (products == null) return null;
for (SKProduct product : products) {
if (product.getProductIdentifier().equals(identifierForStore)) {
return product;
}
}
return null;
}
/** Returns the original and unique transaction ID of a purchase. */
private String getOriginalTxID(SKPaymentTransaction transaction) {
if (transaction != null) {
if (transaction.getOriginalTransaction() != null) {
// the "original" transaction ID is 'null' for first time purchases but non-'null' for restores (it's unique!)
return transaction.getOriginalTransaction().getTransactionIdentifier();
} else {
// the regular transaction idetifier. This one changes every time if a product is restored!!
return transaction.getTransactionIdentifier();
}
}
else {
// transaction object was 'null': we shouldn't generally get here
return null;
}
}
/** Converts a purchase to our transaction object. */
@Nullable
Transaction transaction (SKPaymentTransaction t) {
SKPayment payment = t.getPayment();
String productIdentifier = payment.getProductIdentifier();
SKProduct product = getProductByStoreIdentifier(productIdentifier);
if (product == null) {
// if we didn't request product information -OR- it's not in iTunes, it will be null
System.err.println("gdx-pay: product not registered/loaded: " + productIdentifier);
}
// Build the transaction from the payment transaction object.
Transaction transaction = new Transaction();
Offer offerForStore = config.getOfferForStore(PurchaseManagerConfig.STORE_NAME_IOS_APPLE, productIdentifier);
if (offerForStore == null) {
System.err.println("Product not configured in PurchaseManagerConfig: " + productIdentifier + ", skipping transaction.");
return null;
}
transaction.setIdentifier(offerForStore.getIdentifier());
transaction.setStoreName(PurchaseManagerConfig.STORE_NAME_IOS_APPLE);
transaction.setOrderId(getOriginalTxID(t));
transaction.setPurchaseTime(t.getTransactionDate() != null ? t.getTransactionDate().toDate() : new Date());
if (product != null) {
// if we didn't load product information, product will be 'null' (we only set if available)
transaction.setPurchaseText("Purchased: " + product.getLocalizedTitle());
transaction.setPurchaseCost((int) Math.round(product.getPrice().doubleValue() * 100));
transaction.setPurchaseCostCurrency(product.getPriceLocale().getCurrencyCode());
}
else {
// product information was empty (not loaded or product didn't exist)
transaction.setPurchaseText("Purchased: " + productIdentifier);
transaction.setPurchaseCost(0);
transaction.setPurchaseCostCurrency(null);
}
transaction.setReversalTime(null); // no refunds for iOS!
transaction.setReversalText(null);
if (payment.getRequestData() != null) {
final String transactionData;
if (IosVersion.is_7_0_orAbove()) {
transactionData = payment.getRequestData().toBase64EncodedString(NSDataBase64EncodingOptions.None);
} else {
transactionData = Base64.encode(payment.getRequestData().getBytes());
}
transaction.setTransactionData(transactionData);
}
else {
transaction.setTransactionData(null);
}
// NOTE: although deprecated as of iOS 7, "transactionReceipt" is still available as of iOS 9 & hopefully long there after :)
String transactionDataSignature;
try {
NSData transactionReceipt = t.getTransactionReceipt();
transactionDataSignature = transactionReceipt.toBase64EncodedString(NSDataBase64EncodingOptions.None);
} catch (Throwable e) {
log(LOGTYPELOG, "SKPaymentTransaction.transactionReceipt appears broken (was deprecated starting iOS 7.0).", e);
transactionDataSignature = null;
}
transaction.setTransactionDataSignature(transactionDataSignature);
// return the transaction
return transaction;
}
private class AppleProductsDelegatePurchase extends SKProductsRequestDelegateAdapter {
@Override
public void didReceiveResponse (SKProductsRequest request, SKProductsResponse response) {
// Received the registered products from AppStore.
products = response.getProducts();
if (products.size() == 1) {
// Create a SKPayment from the product and start purchase flow
SKProduct product = products.get(0);
log(LOGTYPELOG, "Product info received/purchasing product " + product.getProductIdentifier() + " ...");
SKPayment payment = new SKPayment(product);
SKPaymentQueue.getDefaultQueue().addPayment(payment);
}
else {
// wrong product count returned
String errorMessage = "Error purchasing product (wrong product info count returned: " + products.size() + ")!";
log(LOGTYPEERROR, errorMessage);
observer.handlePurchaseError(new GdxPayException(errorMessage));
}
}
@Override
public void didFail (SKRequest request, NSError error) {
String errorMessage = "Error requesting product info to later purchase: " + (error != null ? error.getLocalizedDescription() : "unknown");
log(LOGTYPEERROR, errorMessage);
observer.handlePurchaseError(new GdxPayException(errorMessage));
}
}
private class IosFetchProductsAndInstallDelegate extends SKProductsRequestDelegateAdapter {
@Override
public void didReceiveResponse (SKProductsRequest request, SKProductsResponse response) {
// Received the registered products from AppStore.
products = response.getProducts();
log(LOGTYPELOG, "Products successfully received!");
final SKPaymentQueue defaultQueue = SKPaymentQueue.getDefaultQueue();
// Create and register our apple transaction observer.
if (appleObserver == null) {
if (startupTransactionObserver != null) {
defaultQueue.removeTransactionObserver(startupTransactionObserver);
try {
defaultQueue.removeStrongRef(startupTransactionObserver);
} catch (IllegalArgumentException e) {
// see issue #198
log(LOGTYPEERROR, "No strong exists to startupTransactionObserver");
}
startupTransactionObserver = null;
}
appleObserver = new AppleTransactionObserver();
defaultQueue.addTransactionObserver(appleObserver);
defaultQueue.addStrongRef(appleObserver);
log(LOGTYPELOG, "Purchase observer successfully installed!");
}
// notify of success...
observer.handleInstall();
// complete unfinished transactions
final NSArray transactions = defaultQueue.getTransactions();
log(LOGTYPELOG, "There are " + transactions.size() + " unfinished transactions. Try to finish...");
appleObserver.updatedTransactions(defaultQueue, transactions);
}
@Override
public void didFail (SKRequest request, NSError error) {
log(LOGTYPEERROR, "Error requesting products: " + (error != null ? error.toString() : "unknown"));
// Products request failed (likely due to insuficient network connection).
observer.handleInstallError(new FetchItemInformationException("Error requesting products: "
+ (error != null ? error.toString() : "unknown")));
}
}
// Transaction Observer for App Store promotions must be in place right after
// didFinishLaunching(). So this is installed at app start before our full
// AppleTransactionObserver is ready after fetching product information.
private class PromotionTransactionObserver extends SKPaymentTransactionObserverAdapter {
@Override
public boolean shouldAddStorePayment(SKPaymentQueue queue, SKPayment payment, SKProduct product) {
return shouldProcessPromotionalStorePayment(queue, payment, product);
}
}
/**
* Override this method in an own subclass if you need to change the default behaviour for promotional
* App Store payments. The default behaviour adds the store payment to the payment queue and processes
* it as soon as the product information is available.
*/
@SuppressWarnings("WeakerAccess")
protected boolean shouldProcessPromotionalStorePayment(SKPaymentQueue queue, SKPayment payment, SKProduct product) {
return true;
}
private class AppleTransactionObserver extends SKPaymentTransactionObserverAdapter {
@Override
public boolean shouldAddStorePayment(SKPaymentQueue queue, SKPayment payment, SKProduct product) {
return shouldProcessPromotionalStorePayment(queue, payment, product);
}
@Override
public void updatedTransactions (SKPaymentQueue queue, NSArray transactions) {
for (final SKPaymentTransaction transaction : transactions) {
SKPaymentTransactionState state = transaction.getTransactionState();
switch (state) {
case Purchased:
// Product was successfully purchased.
// Parse transaction data.
final Transaction t = transaction(transaction);
if (t == null) {
break;
}
// Find transaction receipt if not set, i.e. t.setTransactionDataSignature() == null
// NOTE: - as long as SKPaymentTransaction.transactionReceipt is not removed but only deprecated, let's use it
// - FIXME: the function below sends ALL receipts, not just the one we need: we need to parse it out (does NOT work right now)!
// - FIXME: the function below should be added also to restore(): this only gets used for direct-purchases ONLY!
// - parsing "NSBundle.getMainBundle().getAppStoreReceiptURL();": https://developer.apple.com/library/ios/releasenotes/General/ValidateAppStoreReceipt/Chapters/ValidateLocally.html#//apple_ref/doc/uid/TP40010573-CH1-SW19
// parsing is not for the faint of heart: lots of low-level coding :-/
// --> we will use the deprecated feature as long as we can or a volunteer comes forward!
// --> Apple might also provider better tooling support to parse out specific receipts in the future (yeah, that's going to happen...)
if (t.getTransactionDataSignature() == null) {
NSURL receiptURL = NSBundle.getMainBundle().getAppStoreReceiptURL();
NSData receipt = NSData.read(receiptURL);
if (receipt == null) {
log(LOGTYPELOG, "Fetching receipt...");
final SKReceiptRefreshRequest request = new SKReceiptRefreshRequest();
request.setDelegate(new SKRequestDelegateAdapter() {
@Override
public void didFinish (SKRequest r) {
// Receipt refresh request finished.
if (r.equals(request)) {
NSURL receiptURL = NSBundle.getMainBundle().getAppStoreReceiptURL();
NSData receipt = NSData.read(receiptURL);
String encodedReceipt = receipt.toBase64EncodedString(NSDataBase64EncodingOptions.None);
// FIXME: parse out actual receipt for this IAP purchase: t.setTransactionDataSignature(encodedReceipt);
log(LOGTYPELOG, "Receipt was fetched!");
} else {
log(LOGTYPEERROR, "Receipt fetching failed: Request doesn't equal initial request!");
}
log(LOGTYPELOG, "Transaction was completed: " + getOriginalTxID(transaction));
observer.handlePurchase(t);
// Finish transaction.
SKPaymentQueue.getDefaultQueue().finishTransaction(transaction);
}
@Override
public void didFail (SKRequest request, NSError error) {
// Receipt refresh request failed. Let's just continue.
log(LOGTYPEERROR, "Receipt fetching failed: " + error.toString());
log(LOGTYPELOG, "Transaction was completed: " + getOriginalTxID(transaction));
observer.handlePurchase(t);
// Finish transaction.
SKPaymentQueue.getDefaultQueue().finishTransaction(transaction);
}
});
request.start();
} else {
String encodedReceipt = receipt.toBase64EncodedString(NSDataBase64EncodingOptions.None);
// FIXME: parse out actual receipt for this IAP purchase: t.setTransactionDataSignature(encodedReceipt);
log(LOGTYPELOG, "Transaction was completed: " + getOriginalTxID(transaction));
observer.handlePurchase(t);
// Finish transaction.
SKPaymentQueue.getDefaultQueue().finishTransaction(transaction);
}
}
else {
// we are done: let's report!
log(LOGTYPELOG, "Transaction was completed: " + getOriginalTxID(transaction));
observer.handlePurchase(t);
// Finish transaction.
SKPaymentQueue.getDefaultQueue().finishTransaction(transaction);
}
break;
case Failed:
// Purchase failed.
// Decide if user cancelled or transaction failed.
NSError error = transaction.getError();
if (error == null) {
log(LOGTYPEERROR, "Transaction failed but error-object is null: " + transaction);
observer.handlePurchaseError(new GdxPayException("Transaction failed: " + transaction));
}
else if (error.getCode() == SKErrorCode.PaymentCancelled.value()) {
log(LOGTYPEERROR, "Transaction was cancelled by user!");
observer.handlePurchaseCanceled();
} else {
log(LOGTYPEERROR, "Transaction failed: " + error.toString());
observer.handlePurchaseError(new GdxPayException("Transaction failed: " + error.getLocalizedDescription()));
}
// Finish transaction.
SKPaymentQueue.getDefaultQueue().finishTransaction(transaction);
break;
case Restored:
// A product has been restored.
// Parse transaction data.
Transaction ta = transaction(transaction);
if (ta == null)
break;
restoredTransactions.add(ta);
// Finish transaction.
SKPaymentQueue.getDefaultQueue().finishTransaction(transaction);
log(LOGTYPELOG, "Transaction has been restored: " + getOriginalTxID(transaction));
break;
default:
break;
}
}
}
@Override
public void restoreCompletedTransactionsFinished (SKPaymentQueue queue) {
// All products have been restored.
log(LOGTYPELOG, "All transactions have been restored!");
observer.handleRestore(restoredTransactions.toArray(new Transaction[restoredTransactions.size()]));
restoredTransactions.clear();
}
@Override
public void restoreCompletedTransactionsFailed (SKPaymentQueue queue, NSError error) {
// Restoration failed.
// Decide if user cancelled or transaction failed.
if (error.getCode() == SKErrorCode.PaymentCancelled.value()) {
log(LOGTYPEERROR, "Restoring of transactions was cancelled by user!");
observer.handleRestoreError(new GdxPayException("Restoring of purchases was cancelled by user!"));
} else {
log(LOGTYPEERROR, "Restoring of transactions failed: " + error.toString());
observer.handleRestoreError(new GdxPayException("Restoring of purchases failed: " + error.getLocalizedDescription()));
}
}
}
void log (final int type, final String message) {
log(type, message, null);
}
void log (final int type, final String message, Throwable e) {
if (LOGDEBUG) {
if (type == LOGTYPELOG) System.out.println('[' + TAG + "] " + message);
if (type == LOGTYPEERROR) System.err.println('[' + TAG + "] " + message);
if (e != null) System.err.println('[' + TAG + "] " + e);
}
}
@Override
public Information getInformation(String identifier) {
if (products != null) {
for (SKProduct p : products) {
if (p.getProductIdentifier().equals(identifier)) {
if (numberFormatter == null) {
numberFormatter = new NSNumberFormatter();
numberFormatter.setFormatterBehavior(NSNumberFormatterBehavior._10_4);
numberFormatter.setNumberStyle(NSNumberFormatterStyle.Currency);
}
numberFormatter.setLocale(p.getPriceLocale());
return Information.newBuilder()
.localName(p.getLocalizedTitle())
.localDescription(p.getLocalizedDescription())
.localPricing(numberFormatter.format(p.getPrice()))
.priceCurrencyCode(p.getPriceLocale().getCurrencyCode())
.priceInCents(MathUtils.ceilPositive(p.getPrice().floatValue() * 100))
.priceAsDouble(p.getPrice().doubleValue())
.freeTrialPeriod(convertToFreeTrialPeriod(p))
.build();
}
}
}
return Information.UNAVAILABLE;
}
private FreeTrialPeriod convertToFreeTrialPeriod(SKProduct product) {
if (!IosVersion.is_11_2_orAbove()) {
// introductoryPrice is introduced in ios 11.2
return null;
}
final SKProductDiscount introductoryPrice = product.getIntroductoryPrice();
if (introductoryPrice == null || introductoryPrice.getSubscriptionPeriod() == null || introductoryPrice.getSubscriptionPeriod().getNumberOfUnits() == 0) {
return null;
}
if (introductoryPrice.getPrice() != null && introductoryPrice.getPrice().doubleValue() > 0D) {
// in that case, it is not a free trial. We do not yet support reduced price introductory offers.
return null;
}
final SKProductSubscriptionPeriod subscriptionPeriod = introductoryPrice.getSubscriptionPeriod();
return new FreeTrialPeriod(
(int) subscriptionPeriod.getNumberOfUnits(),
SKProductPeriodUnitToPeriodUnitConverter.convertToPeriodUnit(subscriptionPeriod.getUnit())
);
}
@Override
public String toString () {
return PurchaseManagerConfig.STORE_NAME_IOS_APPLE;
}
}
