107 lines
3.6 KiB
Swift
107 lines
3.6 KiB
Swift
//
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// FallbackReceiptReader.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 11/6/24.
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// Copyright (c) 2024 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import CommonUtils
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import Foundation
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import Kvitto
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import PassepartoutKit
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public actor FallbackReceiptReader: AppReceiptReader {
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private let reader: InAppReceiptReader?
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private let localReader: (URL) -> InAppReceiptReader?
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private var pendingTask: Task<InAppReceipt?, Never>?
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public init(
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reader: (InAppReceiptReader & Sendable)?,
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localReader: @escaping @Sendable (URL) -> InAppReceiptReader & Sendable
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) {
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self.reader = reader
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self.localReader = localReader
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}
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public func receipt(at userLevel: AppUserLevel) async -> InAppReceipt? {
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if let pendingTask {
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_ = await pendingTask.value
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}
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pendingTask = Task {
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await asyncReceipt(at: userLevel)
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}
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let receipt = await pendingTask?.value
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pendingTask = nil
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return receipt
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}
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}
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private extension FallbackReceiptReader {
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func asyncReceipt(at userLevel: AppUserLevel) async -> InAppReceipt? {
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let localURL = Bundle.main.appStoreReceiptURL
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pp_log(.App.iap, .debug, "\tParse receipt for user level \(userLevel)")
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// 1. TestFlight, look for release receipt
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let releaseReceipt: InAppReceipt? = await {
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guard userLevel == .beta, let localURL else {
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return nil
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}
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pp_log(.App.iap, .debug, "\tTestFlight, look for release receipt")
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let releaseURL = localURL
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.deletingLastPathComponent()
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.appendingPathComponent("receipt")
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let release = localReader(releaseURL)
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return await release?.receipt()
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}()
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if let releaseReceipt {
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pp_log(.App.iap, .debug, "\tTestFlight, return release receipt")
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return releaseReceipt
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}
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let localReceiptBlock: () async -> InAppReceipt? = { [weak self] in
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guard let localURL, let local = self?.localReader(localURL) else {
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return nil
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}
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return await local.receipt()
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}
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// 2. primary receipt + build from local receipt
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pp_log(.App.iap, .debug, "\tNo release receipt, read primary receipt")
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if let receipt = await reader?.receipt() {
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if let build = await localReceiptBlock()?.originalBuildNumber {
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pp_log(.App.iap, .debug, "\tReturn primary receipt with local build: \(build)")
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return receipt.withBuildNumber(build)
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}
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pp_log(.App.iap, .debug, "\tReturn primary receipt without local build")
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return receipt
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}
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// 3. fall back to local receipt
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pp_log(.App.iap, .debug, "\tReturn local receipt")
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return await localReceiptBlock()
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}
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}
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