[in_app_purchase_storekit] disallow ios versions lower than supported…

… from enabling storekit (#8110)

Fixes flutter/flutter#158894

Checks device version before enabling storekit 2.

packages/in_app_purchase/in_app_purchase_storekit/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.3.20+1
+
+* Prevent devices below iOS 15 or macOS 15 from enabling StoreKit2.
+
 ## 0.3.20
 
 * Fixes manual invocation of `finishTransaction` causing a fatal crash.

packages/in_app_purchase/in_app_purchase_storekit/darwin/Classes/InAppPurchasePlugin.swift

@@ -420,6 +420,15 @@ public class InAppPurchasePlugin: NSObject, FlutterPlugin, FIAInAppPurchaseAPI {
     NSLog("Received an updatedDownloads callback, but downloads are not supported.")
   }
 
+  public func supportsStoreKit2WithError(_ error: AutoreleasingUnsafeMutablePointer<FlutterError?>)
+    -> NSNumber?
+  {
+    if #available(iOS 15.0, macOS 12.0, *) {
+      return true
+    }
+    return false
+  }
+
   // MARK: - Methods exposed for testing
   func getProduct(productID: String) -> SKProduct? {
     return self.productsCache[productID] as? SKProduct

packages/in_app_purchase/in_app_purchase_storekit/darwin/Classes/messages.g.h

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v22.4.2), do not edit directly.
+// Autogenerated from Pigeon (v22.6.0), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #import <Foundation/Foundation.h>
@@ -67,7 +67,8 @@ typedef NS_ENUM(NSUInteger, FIASKProductDiscountTypeMessage) {
 typedef NS_ENUM(NSUInteger, FIASKProductDiscountPaymentModeMessage) {
   /// Allows user to pay the discounted price at each payment period.
   FIASKProductDiscountPaymentModeMessagePayAsYouGo = 0,
-  /// Allows user to pay the discounted price upfront and receive the product for the rest of time
+  /// Allows user to pay the discounted price upfront and receive the product
+  /// for the rest of time
   /// that was paid for.
   FIASKProductDiscountPaymentModeMessagePayUpFront = 1,
   /// User pays nothing during the discounted period.
@@ -278,6 +279,8 @@ NSObject<FlutterMessageCodec> *FIAGetMessagesCodec(void);
 - (void)registerPaymentQueueDelegateWithError:(FlutterError *_Nullable *_Nonnull)error;
 - (void)removePaymentQueueDelegateWithError:(FlutterError *_Nullable *_Nonnull)error;
 - (void)showPriceConsentIfNeededWithError:(FlutterError *_Nullable *_Nonnull)error;
+/// @return `nil` only when `error != nil`.
+- (nullable NSNumber *)supportsStoreKit2WithError:(FlutterError *_Nullable *_Nonnull)error;
 @end
 
 extern void SetUpFIAInAppPurchaseAPI(id<FlutterBinaryMessenger> binaryMessenger,

packages/in_app_purchase/in_app_purchase_storekit/darwin/Classes/messages.g.m

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v22.4.2), do not edit directly.
+// Autogenerated from Pigeon (v22.6.0), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #import "messages.g.h"
@@ -978,4 +978,26 @@ void SetUpFIAInAppPurchaseAPIWithSuffix(id<FlutterBinaryMessenger> binaryMesseng
       [channel setMessageHandler:nil];
     }
   }
+  {
+    FlutterBasicMessageChannel *channel = [[FlutterBasicMessageChannel alloc]
+           initWithName:[NSString stringWithFormat:@"%@%@",
+                                                   @"dev.flutter.pigeon.in_app_purchase_storekit."
+                                                   @"InAppPurchaseAPI.supportsStoreKit2",
+                                                   messageChannelSuffix]
+        binaryMessenger:binaryMessenger
+                  codec:FIAGetMessagesCodec()];
+    if (api) {
+      NSCAssert(
+          [api respondsToSelector:@selector(supportsStoreKit2WithError:)],
+          @"FIAInAppPurchaseAPI api (%@) doesn't respond to @selector(supportsStoreKit2WithError:)",
+          api);
+      [channel setMessageHandler:^(id _Nullable message, FlutterReply callback) {
+        FlutterError *error;
+        NSNumber *output = [api supportsStoreKit2WithError:&error];
+        callback(wrapResult(output, error));
+      }];
+    } else {
+      [channel setMessageHandler:nil];
+    }
+  }
 }

packages/in_app_purchase/in_app_purchase_storekit/example/lib/main.dart

@@ -17,6 +17,7 @@ void main() {
   // When using the Android plugin directly it is mandatory to register
   // the plugin as default instance as part of initializing the app.
   InAppPurchaseStoreKitPlatform.registerPlatform();
+  InAppPurchaseStoreKitPlatform.enableStoreKit2();
 
   runApp(_MyApp());
 }

packages/in_app_purchase/in_app_purchase_storekit/lib/src/in_app_purchase_storekit_platform.dart

@@ -249,8 +249,10 @@ class InAppPurchaseStoreKitPlatform extends InAppPurchasePlatform {
   Future<String?> getCountryCode() => countryCode();
 
   /// Turns on StoreKit2. You cannot disable this after it is enabled.
-  void enableStoreKit2() {
-    _useStoreKit2 = true;
+  /// This can only be enabled if your device supports StoreKit 2.
+  static Future<bool> enableStoreKit2() async {
+    _useStoreKit2 = await SKRequestMaker.supportsStoreKit2();
+    return _useStoreKit2;
   }
 }
 

packages/in_app_purchase/in_app_purchase_storekit/lib/src/messages.g.dart

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v22.4.2), do not edit directly.
+// Autogenerated from Pigeon (v22.6.0), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import, no_leading_underscores_for_local_identifiers
 
@@ -984,4 +984,33 @@ class InAppPurchaseAPI {
       return;
     }
   }
+
+  Future<bool> supportsStoreKit2() async {
+    final String pigeonVar_channelName =
+        'dev.flutter.pigeon.in_app_purchase_storekit.InAppPurchaseAPI.supportsStoreKit2$pigeonVar_messageChannelSuffix';
+    final BasicMessageChannel<Object?> pigeonVar_channel =
+        BasicMessageChannel<Object?>(
+      pigeonVar_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: pigeonVar_binaryMessenger,
+    );
+    final List<Object?>? pigeonVar_replyList =
+        await pigeonVar_channel.send(null) as List<Object?>?;
+    if (pigeonVar_replyList == null) {
+      throw _createConnectionError(pigeonVar_channelName);
+    } else if (pigeonVar_replyList.length > 1) {
+      throw PlatformException(
+        code: pigeonVar_replyList[0]! as String,
+        message: pigeonVar_replyList[1] as String?,
+        details: pigeonVar_replyList[2],
+      );
+    } else if (pigeonVar_replyList[0] == null) {
+      throw PlatformException(
+        code: 'null-error',
+        message: 'Host platform returned null value for non-null return value.',
+      );
+    } else {
+      return (pigeonVar_replyList[0] as bool?)!;
+    }
+  }
 }

packages/in_app_purchase/in_app_purchase_storekit/lib/src/store_kit_wrappers/sk_request_maker.dart

@@ -55,4 +55,9 @@ class SKRequestMaker {
       {Map<String, Object?>? receiptProperties}) {
     return _hostApi.refreshReceipt(receiptProperties: receiptProperties);
   }
+
+  /// Check if current device supports StoreKit 2.
+  static Future<bool> supportsStoreKit2() async {
+    return _hostApi.supportsStoreKit2();
+  }
 }

packages/in_app_purchase/in_app_purchase_storekit/pigeons/messages.dart

@@ -264,4 +264,6 @@ abstract class InAppPurchaseAPI {
   void removePaymentQueueDelegate();
 
   void showPriceConsentIfNeeded();
+
+  bool supportsStoreKit2();
 }

packages/in_app_purchase/in_app_purchase_storekit/pubspec.yaml

@@ -2,7 +2,7 @@ name: in_app_purchase_storekit
 description: An implementation for the iOS and macOS platforms of the Flutter `in_app_purchase` plugin. This uses the StoreKit Framework.
 repository: https://github.com/flutter/packages/tree/main/packages/in_app_purchase/in_app_purchase_storekit
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+in_app_purchase%22
-version: 0.3.20
+version: 0.3.20+1
 
 environment:
   sdk: ^3.3.0

packages/in_app_purchase/in_app_purchase_storekit/test/fakes/fake_storekit_platform.dart

@@ -280,6 +280,11 @@ class FakeStoreKitPlatform implements TestInAppPurchaseApi {
   void stopObservingPaymentQueue() {
     queueIsActive = false;
   }
+
+  @override
+  bool supportsStoreKit2() {
+    return true;
+  }
 }
 
 class FakeStoreKit2Platform implements TestInAppPurchase2Api {

packages/in_app_purchase/in_app_purchase_storekit/test/in_app_purchase_storekit_2_platform_test.dart

@@ -12,6 +12,7 @@ import 'package:in_app_purchase_storekit/store_kit_2_wrappers.dart';
 
 import 'fakes/fake_storekit_platform.dart';
 import 'sk2_test_api.g.dart';
+import 'test_api.g.dart';
 
 void main() {
   final SK2Product dummyProductWrapper = SK2Product(
@@ -26,17 +27,20 @@ void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
   final FakeStoreKit2Platform fakeStoreKit2Platform = FakeStoreKit2Platform();
+  final FakeStoreKitPlatform fakeStoreKitPlatform = FakeStoreKitPlatform();
+
   late InAppPurchaseStoreKitPlatform iapStoreKitPlatform;
 
   setUpAll(() {
     TestInAppPurchase2Api.setUp(fakeStoreKit2Platform);
+    TestInAppPurchaseApi.setUp(fakeStoreKitPlatform);
   });
 
   setUp(() {
     InAppPurchaseStoreKitPlatform.registerPlatform();
     iapStoreKitPlatform =
         InAppPurchasePlatform.instance as InAppPurchaseStoreKitPlatform;
-    iapStoreKitPlatform.enableStoreKit2();
+    InAppPurchaseStoreKitPlatform.enableStoreKit2();
     fakeStoreKit2Platform.reset();
   });
 

packages/in_app_purchase/in_app_purchase_storekit/test/store_kit_wrappers/sk_methodchannel_apis_test.dart

@@ -304,6 +304,11 @@ class FakeStoreKitPlatform implements TestInAppPurchaseApi {
   void showPriceConsentIfNeeded() {
     showPriceConsent = true;
   }
+
+  @override
+  bool supportsStoreKit2() {
+    return true;
+  }
 }
 
 class TestPaymentQueueDelegate extends SKPaymentQueueDelegateWrapper {}

packages/in_app_purchase/in_app_purchase_storekit/test/test_api.g.dart

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v22.4.2), do not edit directly.
+// Autogenerated from Pigeon (v22.6.0), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, unnecessary_import, no_leading_underscores_for_local_identifiers
 // ignore_for_file: avoid_relative_lib_imports
@@ -153,6 +153,8 @@ abstract class TestInAppPurchaseApi {
 
   void showPriceConsentIfNeeded();
 
+  bool supportsStoreKit2();
+
   static void setUp(
     TestInAppPurchaseApi? api, {
     BinaryMessenger? binaryMessenger,
@@ -581,5 +583,31 @@ abstract class TestInAppPurchaseApi {
         });
       }
     }
+    {
+      final BasicMessageChannel<
+          Object?> pigeonVar_channel = BasicMessageChannel<
+              Object?>(
+          'dev.flutter.pigeon.in_app_purchase_storekit.InAppPurchaseAPI.supportsStoreKit2$messageChannelSuffix',
+          pigeonChannelCodec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        _testBinaryMessengerBinding!.defaultBinaryMessenger
+            .setMockDecodedMessageHandler<Object?>(pigeonVar_channel, null);
+      } else {
+        _testBinaryMessengerBinding!.defaultBinaryMessenger
+            .setMockDecodedMessageHandler<Object?>(pigeonVar_channel,
+                (Object? message) async {
+          try {
+            final bool output = api.supportsStoreKit2();
+            return <Object?>[output];
+          } on PlatformException catch (e) {
+            return wrapResponse(error: e);
+          } catch (e) {
+            return wrapResponse(
+                error: PlatformException(code: 'error', message: e.toString()));
+          }
+        });
+      }
+    }
   }
 }