wireguard-apple/Sources/WireGuardApp/UI/TunnelImporter.swift

95 lines
4.8 KiB
Swift

// SPDX-License-Identifier: MIT
// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
import Foundation
class TunnelImporter {
static func importFromFile(urls: [URL], into tunnelsManager: TunnelsManager, sourceVC: AnyObject?, errorPresenterType: ErrorPresenterProtocol.Type, completionHandler: (() -> Void)? = nil) {
guard !urls.isEmpty else {
completionHandler?()
return
}
let dispatchGroup = DispatchGroup()
var configs = [TunnelConfiguration?]()
var lastFileImportErrorText: (title: String, message: String)?
for url in urls {
if url.pathExtension.lowercased() == "zip" {
dispatchGroup.enter()
ZipImporter.importConfigFiles(from: url) { result in
switch result {
case .failure(let error):
lastFileImportErrorText = error.alertText
case .success(let configsInZip):
configs.append(contentsOf: configsInZip)
}
dispatchGroup.leave()
}
} else { /* if it is not a zip, we assume it is a conf */
let fileName = url.lastPathComponent
let fileBaseName = url.deletingPathExtension().lastPathComponent.trimmingCharacters(in: .whitespacesAndNewlines)
dispatchGroup.enter()
DispatchQueue.global(qos: .userInitiated).async {
let fileContents: String
do {
fileContents = try String(contentsOf: url)
} catch let error {
DispatchQueue.main.async {
if let cocoaError = error as? CocoaError, cocoaError.isFileError {
lastFileImportErrorText = (title: tr("alertCantOpenInputConfFileTitle"), message: error.localizedDescription)
} else {
lastFileImportErrorText = (title: tr("alertCantOpenInputConfFileTitle"), message: tr(format: "alertCantOpenInputConfFileMessage (%@)", fileName))
}
configs.append(nil)
dispatchGroup.leave()
}
return
}
var parseError: Error?
var tunnelConfiguration: TunnelConfiguration?
do {
tunnelConfiguration = try TunnelConfiguration(fromWgQuickConfig: fileContents, called: fileBaseName)
} catch let error {
parseError = error
}
DispatchQueue.main.async {
if parseError != nil {
if let parseError = parseError as? WireGuardAppError {
lastFileImportErrorText = parseError.alertText
} else {
lastFileImportErrorText = (title: tr("alertBadConfigImportTitle"), message: tr(format: "alertBadConfigImportMessage (%@)", fileName))
}
}
configs.append(tunnelConfiguration)
dispatchGroup.leave()
}
}
}
}
dispatchGroup.notify(queue: .main) {
tunnelsManager.addMultiple(tunnelConfigurations: configs.compactMap { $0 }) { numberSuccessful, lastAddError in
if !configs.isEmpty && numberSuccessful == configs.count {
completionHandler?()
return
}
let alertText: (title: String, message: String)?
if urls.count == 1 {
if urls.first!.pathExtension.lowercased() == "zip" && !configs.isEmpty {
alertText = (title: tr(format: "alertImportedFromZipTitle (%d)", numberSuccessful),
message: tr(format: "alertImportedFromZipMessage (%1$d of %2$d)", numberSuccessful, configs.count))
} else {
alertText = lastFileImportErrorText ?? lastAddError?.alertText
}
} else {
alertText = (title: tr(format: "alertImportedFromMultipleFilesTitle (%d)", numberSuccessful),
message: tr(format: "alertImportedFromMultipleFilesMessage (%1$d of %2$d)", numberSuccessful, configs.count))
}
if let alertText = alertText {
errorPresenterType.showErrorAlert(title: alertText.title, message: alertText.message, from: sourceVC, onPresented: completionHandler)
} else {
completionHandler?()
}
}
}
}
}