Incorrect handling of receipt purchases (#439)

Passepartout/App/Info.plist

@@ -32,7 +32,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.2.1</string>
+	<string>2.3.0</string>
 	<key>CFBundleVersion</key>
 	<string>3548</string>
 	<key>ITSAppUsesNonExemptEncryption</key>

Passepartout/Launcher/Info.plist

@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>CFBundleShortVersionString</key>
-	<string>2.2.1</string>
+	<string>2.3.0</string>
 	<key>CFBundleVersion</key>
 	<string>3548</string>
 	<key>LSBackgroundOnly</key>

Passepartout/Mac/Info.plist

@@ -5,7 +5,7 @@
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.2.1</string>
+	<string>2.3.0</string>
 	<key>CFBundleVersion</key>
 	<string>3548</string>
 	<key>NSPrincipalClass</key>

Passepartout/Tunnel/Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>XPC!</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.2.1</string>
+	<string>2.3.0</string>
 	<key>CFBundleVersion</key>
 	<string>3548</string>
 	<key>LSMinimumSystemVersion</key>

PassepartoutLibrary/Sources/PassepartoutFrontend/Domain/LocalProduct+InApp.swift

@@ -0,0 +1,33 @@
+//
+//  LocalProduct+InApp.swift
+//  Passepartout
+//
+//  Created by Davide De Rosa on 12/21/23.
+//  Copyright (c) 2023 Davide De Rosa. All rights reserved.
+//
+//  https://github.com/passepartoutvpn
+//
+//  This file is part of Passepartout.
+//
+//  Passepartout is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  Passepartout is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with Passepartout.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+import Foundation
+import PassepartoutCore
+
+public protocol LocalInApp: InAppProtocol where ProductIdentifier == LocalProduct {
+}
+
+extension StoreKitInApp: LocalInApp where ProductIdentifier == LocalProduct {
+}

PassepartoutLibrary/Sources/PassepartoutFrontend/Managers/ProductManager.swift

@@ -28,12 +28,6 @@ import Foundation
 import PassepartoutCore
 import PassepartoutProviders
 
-public protocol LocalInApp: InAppProtocol where ProductIdentifier == LocalProduct {
-}
-
-extension StoreKitInApp: LocalInApp where ProductIdentifier == LocalProduct {
-}
-
 @MainActor
 public final class ProductManager: NSObject, ObservableObject {
     private let inApp: any LocalInApp
@@ -106,6 +100,8 @@ public final class ProductManager: NSObject, ObservableObject {
         }
     }
 
+    // MARK: Main interface
+
     public func canMakePayments() -> Bool {
         inApp.canMakePurchases()
     }
@@ -180,25 +176,19 @@ public final class ProductManager: NSObject, ObservableObject {
     public func restorePurchases() async throws {
         try await inApp.restorePurchases()
     }
+
+    public func hasPurchased(_ product: LocalProduct) -> Bool {
+        isActivePurchase(product)
+    }
+
+    public func purchaseDate(forProduct product: LocalProduct) -> Date? {
+        purchaseDates[product]
+    }
 }
 
 // MARK: In-app eligibility
 
 extension ProductManager {
-    public func isCurrentPlatformVersion() -> Bool {
-        purchasedFeatures.contains(isMac ? .fullVersion_macOS : .fullVersion_iOS)
-    }
-
-    public func isFullVersion() -> Bool {
-        if appType == .fullVersion {
-            return true
-        }
-        if isCurrentPlatformVersion() {
-            return true
-        }
-        return purchasedFeatures.contains(.fullVersion)
-    }
-
     public func isEligible(forFeature feature: LocalProduct) -> Bool {
         if let purchasedAppBuild = purchasedAppBuild {
             if feature == .networkSettings && buildProducts.hasProduct(.networkSettings, atBuild: purchasedAppBuild) {
@@ -206,9 +196,9 @@ extension ProductManager {
             }
         }
         if feature.isPlatformVersion {
-            return purchasedFeatures.contains(feature)
+            return isActivePurchase(feature)
         }
-        return isFullVersion() || purchasedFeatures.contains(feature)
+        return isFullVersion() || isActivePurchase(feature)
     }
 
     public func isEligible(forProvider providerName: ProviderName) -> Bool {
@@ -221,16 +211,34 @@ extension ProductManager {
     public func isEligibleForFeedback() -> Bool {
         appType == .beta || !purchasedFeatures.isEmpty
     }
+}
 
-    public func hasPurchased(_ product: LocalProduct) -> Bool {
-        purchasedFeatures.contains(product)
+extension ProductManager {
+    func isActivePurchase(_ feature: LocalProduct) -> Bool {
+        purchasedFeatures.contains(feature) && cancelledPurchases?.contains(feature) == false
     }
 
-    public func purchaseDate(forProduct product: LocalProduct) -> Date? {
-        purchaseDates[product]
+    func isActivePurchase(where predicate: (LocalProduct) -> Bool) -> Bool {
+        purchasedFeatures.contains(where: predicate) && cancelledPurchases?.contains(where: predicate) == false
+    }
+
+    func isCurrentPlatformVersion() -> Bool {
+        isActivePurchase(isMac ? .fullVersion_macOS : .fullVersion_iOS)
+    }
+
+    func isFullVersion() -> Bool {
+        if appType == .fullVersion {
+            return true
+        }
+        if isCurrentPlatformVersion() {
+            return true
+        }
+        return isActivePurchase(.fullVersion)
     }
 }
 
+// MARK: Receipt
+
 extension ProductManager {
     public func reloadReceipt(andNotify: Bool = true) {
         guard let receipt = receiptReader.receipt(for: appType) else {
@@ -280,6 +288,8 @@ extension ProductManager {
     }
 }
 
+// MARK: Helpers
+
 private extension ProductManager {
     var isMac: Bool {
         #if targetEnvironment(macCatalyst)

PassepartoutLibrary/Tests/PassepartoutFrontendTests/ProductManagerTests.swift

@@ -120,6 +120,7 @@ final class ProductManagerTests: XCTestCase {
         reader.setReceipt(withBuild: 1500, products: [.fullVersion])
         let sut = ProductManager(inApp: inApp, receiptReader: reader, buildProducts: noBuildProducts)
 
+        XCTAssertTrue(sut.isFullVersion())
         XCTAssertTrue(LocalProduct
             .allFeatures
             .filter { !$0.isPlatformVersion }
@@ -132,6 +133,7 @@ final class ProductManagerTests: XCTestCase {
         reader.setReceipt(withBuild: 1500, products: [])
         let sut = ProductManager(inApp: inApp, receiptReader: reader, buildProducts: noBuildProducts)
 
+        XCTAssertFalse(sut.isFullVersion())
         XCTAssertFalse(LocalProduct
             .allFeatures
             .allSatisfy(sut.isEligible(forFeature:))