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-rw-r--r--WireGuard/WireGuard/ZipArchive/ZipImporter.swift48
1 files changed, 48 insertions, 0 deletions
diff --git a/WireGuard/WireGuard/ZipArchive/ZipImporter.swift b/WireGuard/WireGuard/ZipArchive/ZipImporter.swift
new file mode 100644
index 0000000..7ee5c32
--- /dev/null
+++ b/WireGuard/WireGuard/ZipArchive/ZipImporter.swift
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import UIKit
+
+enum ZipImporterError: Error {
+ case noTunnelsInZipArchive
+}
+
+class ZipImporter {
+ let url: URL
+ init(url: URL) {
+ self.url = url
+ }
+
+ 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)
+ }
+ }
+
+ 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
+ }
+}