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-rw-r--r--WireGuard/WireGuard/UI/PrivateDataConfirmation.swift37
1 files changed, 37 insertions, 0 deletions
diff --git a/WireGuard/WireGuard/UI/PrivateDataConfirmation.swift b/WireGuard/WireGuard/UI/PrivateDataConfirmation.swift
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+++ b/WireGuard/WireGuard/UI/PrivateDataConfirmation.swift
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+// SPDX-License-Identifier: MIT
+// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
+
+import Foundation
+import LocalAuthentication
+#if os(macOS)
+import AppKit
+#endif
+
+class PrivateDataConfirmation {
+ static func confirmAccess(to reason: String, _ after: @escaping () -> Void) {
+ let context = LAContext()
+
+ var error: NSError?
+ if !context.canEvaluatePolicy(.deviceOwnerAuthentication, error: &error) {
+ guard let error = error as? LAError else { return }
+ if error.code == .passcodeNotSet {
+ // We give no protection to folks who just don't set a passcode.
+ after()
+ }
+ return
+ }
+
+ context.evaluatePolicy(.deviceOwnerAuthentication, localizedReason: reason) { success, _ in
+ DispatchQueue.main.async {
+ #if os(macOS)
+ if !NSApp.isActive {
+ NSApp.activate(ignoringOtherApps: true)
+ }
+ #endif
+ if success {
+ after()
+ }
+ }
+ }
+ }
+}