91 lines
2.9 KiB
Swift
91 lines
2.9 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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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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let localURL = Bundle.main.appStoreReceiptURL
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if let receipt = await reader?.receipt() {
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// fetch build number from local receipt
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if let localURL,
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let local = localReader(localURL),
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let localReceipt = await local.receipt(),
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let build = localReceipt.originalBuildNumber {
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return receipt.withBuildNumber(build)
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}
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return receipt
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}
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// fall back to release/sandbox receipt
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guard let localURL else {
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return nil
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}
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// attempt fallback from primary to local receipt
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pp_log(.app, .error, "Primary receipt not found, falling back to local receipt")
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if let local = localReader(localURL), let localReceipt = await local.receipt() {
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return localReceipt
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}
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// in TestFlight, attempt fallback from sandbox to release receipt
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if userLevel == .beta {
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let releaseURL = localURL
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.deletingLastPathComponent()
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.appendingPathComponent("receipt")
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guard releaseURL != localURL else {
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#if !os(macOS) && !targetEnvironment(simulator)
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assertionFailure("How can release URL be equal to sandbox URL in TestFlight?")
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#endif
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return nil
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}
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pp_log(.app, .error, "Sandbox receipt not found, falling back to Release 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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return nil
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}
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}
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