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// SPDX-License-Identifier: MIT
// Copyright © 2018 WireGuard LLC. All Rights Reserved.
import UIKit
enum ZipExporterError: WireGuardAppError {
case noTunnelsToExport
func alertText() -> (String, String)? {
switch (self) {
case .noTunnelsToExport:
return ("Nothing to export", "There are no tunnels to export")
}
}
}
class ZipExporter {
static func exportConfigFiles(tunnelConfigurations: [TunnelConfiguration], to url: URL,
completion: @escaping (WireGuardAppError?) -> Void) {
guard (!tunnelConfigurations.isEmpty) else {
completion(ZipExporterError.noTunnelsToExport)
return
}
DispatchQueue.global(qos: .userInitiated).async {
var inputsToArchiver: [(fileName: String, contents: Data)] = []
var lastTunnelName: String = ""
for tunnelConfiguration in tunnelConfigurations {
if let contents = WgQuickConfigFileWriter.writeConfigFile(from: tunnelConfiguration) {
let name = tunnelConfiguration.interface.name
if (name.isEmpty || name == lastTunnelName) { continue }
inputsToArchiver.append((fileName: "\(name).conf", contents: contents))
lastTunnelName = name
}
}
do {
try ZipArchive.archive(inputs: inputsToArchiver, to: url)
} catch (let error as WireGuardAppError) {
DispatchQueue.main.async { completion(error) }
return
} catch {
fatalError()
}
DispatchQueue.main.async { completion(nil) }
}
}
}
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