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Importing: Import from zip in a background thread

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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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WireGuard/WireGuard/ZipArchive/ZipImporter.swift
+35 -32
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@@ -8,41 +8,44 @@ enum ZipImporterError: Error {
}
class ZipImporter {
let url: URL
init(url: URL) {
self.url = url
}
static func importConfigFiles(from url: URL, completion: @escaping ([TunnelConfiguration?], Error?) -> Void) {
DispatchQueue.global(qos: .userInitiated).async {
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() {
let fileBaseName = URL(string: unarchivedFile.fileName)?.deletingPathExtension().lastPathComponent
if let trimmedName = fileBaseName?.trimmingCharacters(in: .whitespacesAndNewlines), !trimmedName.isEmpty {
unarchivedFiles[i].fileName = trimmedName
} else {
unarchivedFiles.remove(at: i)
}
}
for (i, unarchivedFile) in unarchivedFiles.enumerated().reversed() {
let fileBaseName = URL(string: unarchivedFile.fileName)?.deletingPathExtension().lastPathComponent
if let trimmedName = fileBaseName?.trimmingCharacters(in: .whitespacesAndNewlines), !trimmedName.isEmpty {
unarchivedFiles[i].fileName = trimmedName
} else {
unarchivedFiles.remove(at: i)
if (unarchivedFiles.isEmpty) {
throw ZipImporterError.noTunnelsInZipArchive
}
} catch (let error) {
DispatchQueue.main.async { completion([], error) }
return
}
unarchivedFiles.sort { $0.fileName < $1.fileName }
var configs = Array<TunnelConfiguration?>(repeating: nil, count: unarchivedFiles.count)
for (i, file) in unarchivedFiles.enumerated() {
if (i > 0 && file == unarchivedFiles[i - 1]) {
continue
}
guard let fileContents = String(data: file.contents, encoding: .utf8) else {
continue
}
guard let tunnelConfig = try? WgQuickConfigFileParser.parse(fileContents, name: file.fileName) else {
continue
}
configs[i] = tunnelConfig
}
DispatchQueue.main.async { completion(configs, nil) }
}
if (unarchivedFiles.isEmpty) {
throw ZipImporterError.noTunnelsInZipArchive
}
unarchivedFiles.sort { $0.fileName < $1.fileName }
var configs = Array<TunnelConfiguration?>(repeating: nil, count: unarchivedFiles.count)
for (i, file) in unarchivedFiles.enumerated() {
if (i > 0 && file == unarchivedFiles[i - 1]) {
continue
}
guard let fileContents = String(data: file.contents, encoding: .utf8) else {
continue
}
guard let tunnelConfig = try? WgQuickConfigFileParser.parse(fileContents, name: file.fileName) else {
continue
}
configs[i] = tunnelConfig
}
return configs
}
}