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Verifies min/max OS version before downloading app + asks user to download older app version if necessary

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This commit is contained in:
Riley Testut
2022-11-15 17:43:38 -06:00
parent 4fc4d6ba39
commit 5b20ce13bc
2 changed files with 126 additions and 39 deletions
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61
AltStore/Operations/VerifyAppOperation.swift
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@@ -25,7 +25,10 @@ extension VerificationError
static func privateEntitlements(_ entitlements: [String: Any], app: ALTApplication) -> VerificationError { VerificationError(code: .privateEntitlements, app: app, entitlements: entitlements) }
static func mismatchedBundleIdentifiers(sourceBundleID: String, app: ALTApplication) -> VerificationError { VerificationError(code: .mismatchedBundleIdentifiers, app: app, sourceBundleID: sourceBundleID) }
static func iOSVersionNotSupported(app: ALTApplication) -> VerificationError { VerificationError(code: .iOSVersionNotSupported, app: app) }
static func iOSVersionNotSupported(app: AppProtocol, osVersion: OperatingSystemVersion = ProcessInfo.processInfo.operatingSystemVersion, requiredOSVersion: OperatingSystemVersion?) -> VerificationError {
VerificationError(code: .iOSVersionNotSupported, app: app, deviceOSVersion: osVersion, requiredOSVersion: requiredOSVersion)
}
}
struct VerificationError: ALTLocalizedError
@@ -35,22 +38,44 @@ struct VerificationError: ALTLocalizedError
var errorTitle: String?
var errorFailure: String?
var app: ALTApplication?
@Managed var app: AppProtocol?
var entitlements: [String: Any]?
var sourceBundleID: String?
var deviceOSVersion: OperatingSystemVersion?
var requiredOSVersion: OperatingSystemVersion?
var errorDescription: String? {
switch self.code
{
case .iOSVersionNotSupported:
guard let deviceOSVersion else { return nil }
var failureReason = self.errorFailureReason
if self.app == nil
{
// failureReason does not start with app name, so make first letter lowercase.
let firstLetter = failureReason.prefix(1).lowercased()
failureReason = firstLetter + failureReason.dropFirst()
}
let localizedDescription = String(format: NSLocalizedString("This device is running iOS %@, but %@", comment: ""), deviceOSVersion.stringValue, failureReason)
return localizedDescription
default: return nil
}
}
var errorFailureReason: String {
switch self.code
{
case .privateEntitlements:
let appName = (self.app?.name as String?).map { String(format: NSLocalizedString("“%@”", comment: ""), $0) } ?? NSLocalizedString("The app", comment: "")
let appName = self.$app.name ?? NSLocalizedString("The app", comment: "")
return String(format: NSLocalizedString("%@ requires private permissions.", comment: ""), appName)
case .mismatchedBundleIdentifiers:
if let app = self.app, let bundleID = self.sourceBundleID
if let appBundleID = self.$app.bundleIdentifier, let bundleID = self.sourceBundleID
{
return String(format: NSLocalizedString("The bundle ID “%@” does not match the one specified by the source (“%@”).", comment: ""), app.bundleIdentifier, bundleID)
return String(format: NSLocalizedString("The bundle ID “%@” does not match the one specified by the source (“%@”).", comment: ""), appBundleID, bundleID)
}
else
{
@@ -58,22 +83,25 @@ struct VerificationError: ALTLocalizedError
}
case .iOSVersionNotSupported:
if let app = self.app
let appName = self.$app.name ?? NSLocalizedString("The app", comment: "")
let deviceOSVersion = self.deviceOSVersion ?? ProcessInfo.processInfo.operatingSystemVersion
guard let requiredOSVersion else {
return String(format: NSLocalizedString("%@ does not support iOS %@.", comment: ""), appName, deviceOSVersion.stringValue)
}
if deviceOSVersion > requiredOSVersion
{
var version = "iOS \(app.minimumiOSVersion.majorVersion).\(app.minimumiOSVersion.minorVersion)"
if app.minimumiOSVersion.patchVersion > 0
{
version += ".\(app.minimumiOSVersion.patchVersion)"
}
// Device OS version is higher than maximum supported OS version.
let failureReason = String(format: NSLocalizedString("%@ requires %@.", comment: ""), app.name, version)
let failureReason = String(format: NSLocalizedString("%@ requires iOS %@ or earlier.", comment: ""), appName, requiredOSVersion.stringValue)
return failureReason
}
else
{
let version = ProcessInfo.processInfo.operatingSystemVersion.stringValue
// Device OS version is lower than minimum supported OS version.
let failureReason = String(format: NSLocalizedString("This app does not support iOS %@.", comment: ""), version)
let failureReason = String(format: NSLocalizedString("%@ requires iOS %@ or later.", comment: ""), appName, requiredOSVersion.stringValue)
return failureReason
}
}
@@ -114,7 +142,7 @@ class VerifyAppOperation: ResultOperation<Void>
}
guard ProcessInfo.processInfo.isOperatingSystemAtLeast(app.minimumiOSVersion) else {
throw VerificationError.iOSVersionNotSupported(app: app)
throw VerificationError.iOSVersionNotSupported(app: app, requiredOSVersion: app.minimumiOSVersion)
}
if #available(iOS 13.5, *)
@@ -196,8 +224,7 @@ private extension VerifyAppOperation
}))
presentingViewController.present(alertController, animated: true, completion: nil)
case .mismatchedBundleIdentifiers: return completion(.failure(error))
case .iOSVersionNotSupported: return completion(.failure(error))
case .mismatchedBundleIdentifiers, .iOSVersionNotSupported: return completion(.failure(error))
}
}
}