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[AltStore] Validates minimum iOS version when installing apps

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This commit is contained in:
Riley Testut
2019-07-25 14:04:26 -07:00
parent 064c315ca9
commit a451b0178e
3 changed files with 29 additions and 9 deletions
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22
AltStore/Operations/DownloadAppOperation.swift
View File

@@ -52,25 +52,31 @@ class DownloadAppOperation: ResultOperation<InstalledApp>
var isDirectory: ObjCBool = false
guard FileManager.default.fileExists(atPath: fileURL.path, isDirectory: &isDirectory) else { throw OperationError.appNotFound }
let temporaryDirectory = FileManager.default.temporaryDirectory.appendingPathComponent(UUID().uuidString)
try FileManager.default.createDirectory(at: temporaryDirectory, withIntermediateDirectories: true, attributes: nil)
defer { try? FileManager.default.removeItem(at: temporaryDirectory) }
let appBundleURL: URL
if isDirectory.boolValue
{
// Directory, so assuming this is .app bundle.
guard Bundle(url: fileURL) != nil else { throw OperationError.invalidApp }
try FileManager.default.copyItem(at: fileURL, to: self.destinationURL, shouldReplace: true)
appBundleURL = fileURL
}
else
{
// File, so assuming this is a .ipa file.
let temporaryDirectory = FileManager.default.temporaryDirectory.appendingPathComponent(UUID().uuidString)
try FileManager.default.createDirectory(at: temporaryDirectory, withIntermediateDirectories: true, attributes: nil)
defer { try? FileManager.default.removeItem(at: temporaryDirectory) }
let bundleURL = try FileManager.default.unzipAppBundle(at: fileURL, toDirectory: temporaryDirectory)
try FileManager.default.copyItem(at: bundleURL, to: self.destinationURL, shouldReplace: true)
appBundleURL = try FileManager.default.unzipAppBundle(at: fileURL, toDirectory: temporaryDirectory)
}
guard let application = ALTApplication(fileURL: appBundleURL) else { throw OperationError.invalidApp }
guard ProcessInfo.processInfo.isOperatingSystemAtLeast(application.minimumiOSVersion) else { throw OperationError.iOSVersionNotSupported(application) }
try FileManager.default.copyItem(at: appBundleURL, to: self.destinationURL, shouldReplace: true)
self.context.perform {
let app = self.context.object(with: self.app.objectID) as! App

14
AltStore/Operations/OperationError.swift
View File

@@ -7,6 +7,7 @@
//
import Foundation
import AltSign
enum OperationError: LocalizedError
{
@@ -22,6 +23,8 @@ enum OperationError: LocalizedError
case invalidApp
case invalidParameters
case iOSVersionNotSupported(ALTApplication)
var errorDescription: String? {
switch self {
case .unknown: return NSLocalizedString("An unknown error occured.", comment: "")
@@ -32,6 +35,17 @@ enum OperationError: LocalizedError
case .unknownUDID: return NSLocalizedString("Unknown device UDID.", comment: "")
case .invalidApp: return NSLocalizedString("The app is invalid.", comment: "")
case .invalidParameters: return NSLocalizedString("Invalid parameters.", comment: "")
case .iOSVersionNotSupported(let app):
let name = app.name
var version = "iOS \(app.minimumiOSVersion.majorVersion).\(app.minimumiOSVersion.minorVersion)"
if app.minimumiOSVersion.patchVersion > 0
{
version += ".\(app.minimumiOSVersion.patchVersion)"
}
let localizedDescription = String(format: NSLocalizedString("%@ requires %@.", comment: ""), name, version)
return localizedDescription
}
}
}