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Importing: Import from zip in a background thread 

Signed-off-by: Roopesh Chander <roop@roopc.net>
This commit is contained in:
Roopesh Chander 2018-11-14 19:03:33 +05:30
parent 203d6b4596
commit b1ae13652c
2 changed files with 45 additions and 44 deletions
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8
WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift
View File

@ -160,11 +160,8 @@ class TunnelsListTableViewController: UIViewController {
func importFromFile(url: URL) { func importFromFile(url: URL) {
guard let tunnelsManager = tunnelsManager else { return } guard let tunnelsManager = tunnelsManager else { return }
if (url.pathExtension == "zip") { if (url.pathExtension == "zip") {
let zipImporter = ZipImporter(url: url) ZipImporter.importConfigFiles(from: url) { (configs, error) in
let configs: [TunnelConfiguration?] if let error = error {
do {
configs = try zipImporter.importConfigFiles()
} catch (let error) {
ErrorPresenter.showErrorAlert(error: error, from: self) ErrorPresenter.showErrorAlert(error: error, from: self)
return return
} }
@ -175,6 +172,7 @@ class TunnelsListTableViewController: UIViewController {
self?.showErrorAlert(title: "Created \(numberSuccessful) tunnels", self?.showErrorAlert(title: "Created \(numberSuccessful) tunnels",
message: "Created \(numberSuccessful) of \(configs.count) tunnels from zip archive") message: "Created \(numberSuccessful) of \(configs.count) tunnels from zip archive")
} }
}
} else /* if (url.pathExtension == "conf") -- we assume everything else is a conf */ { } else /* if (url.pathExtension == "conf") -- we assume everything else is a conf */ {
let fileBaseName = url.deletingPathExtension().lastPathComponent.trimmingCharacters(in: .whitespacesAndNewlines) let fileBaseName = url.deletingPathExtension().lastPathComponent.trimmingCharacters(in: .whitespacesAndNewlines)
if let fileContents = try? String(contentsOf: url), if let fileContents = try? String(contentsOf: url),

19
WireGuard/WireGuard/ZipArchive/ZipImporter.swift
View File

@ -8,13 +8,11 @@ enum ZipImporterError: Error {
} }
class ZipImporter { class ZipImporter {
let url: URL static func importConfigFiles(from url: URL, completion: @escaping ([TunnelConfiguration?], Error?) -> Void) {
init(url: URL) { DispatchQueue.global(qos: .userInitiated).async {
self.url = url var unarchivedFiles: [(fileName: String, contents: Data)]
} do {
unarchivedFiles = try ZipArchive.unarchive(url: url, requiredFileExtensions: ["conf"])
func importConfigFiles() throws -> [TunnelConfiguration?] {
var unarchivedFiles: [(fileName: String, contents: Data)] = try ZipArchive.unarchive(url: url, requiredFileExtensions: ["conf"])
for (i, unarchivedFile) in unarchivedFiles.enumerated().reversed() { for (i, unarchivedFile) in unarchivedFiles.enumerated().reversed() {
let fileBaseName = URL(string: unarchivedFile.fileName)?.deletingPathExtension().lastPathComponent let fileBaseName = URL(string: unarchivedFile.fileName)?.deletingPathExtension().lastPathComponent
@ -28,6 +26,10 @@ class ZipImporter {
if (unarchivedFiles.isEmpty) { if (unarchivedFiles.isEmpty) {
throw ZipImporterError.noTunnelsInZipArchive throw ZipImporterError.noTunnelsInZipArchive
} }
} catch (let error) {
DispatchQueue.main.async { completion([], error) }
return
}
unarchivedFiles.sort { $0.fileName < $1.fileName } unarchivedFiles.sort { $0.fileName < $1.fileName }
var configs = Array<TunnelConfiguration?>(repeating: nil, count: unarchivedFiles.count) var configs = Array<TunnelConfiguration?>(repeating: nil, count: unarchivedFiles.count)
@ -43,6 +45,7 @@ class ZipImporter {
} }
configs[i] = tunnelConfig configs[i] = tunnelConfig
} }
return configs DispatchQueue.main.async { completion(configs, nil) }
}
} }
} }