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Diffstat (limited to 'WireGuard/WireGuardNetworkExtension/ErrorNotifier.swift')
-rw-r--r-- | WireGuard/WireGuardNetworkExtension/ErrorNotifier.swift | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/WireGuard/WireGuardNetworkExtension/ErrorNotifier.swift b/WireGuard/WireGuardNetworkExtension/ErrorNotifier.swift new file mode 100644 index 0000000..4087fe7 --- /dev/null +++ b/WireGuard/WireGuardNetworkExtension/ErrorNotifier.swift @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: MIT +// Copyright © 2018 WireGuard LLC. All Rights Reserved. + +import NetworkExtension + +class ErrorNotifier { + static func errorMessage(for error: PacketTunnelProviderError) -> (String, String)? { + switch (error) { + case .savedProtocolConfigurationIsInvalid: + return ("Activation failure", "Could not retrieve tunnel information from the saved configuration") + case .dnsResolutionFailure(_): + return ("DNS resolution failure", "One or more endpoint domains could not be resolved") + case .couldNotStartWireGuard: + return ("Activation failure", "WireGuard backend could not be started") + case .coultNotSetNetworkSettings: + return ("Activation failure", "Error applying network settings on the tunnel") + } + } + + static func notify(_ error: PacketTunnelProviderError, from tunnelProvider: NEPacketTunnelProvider) { + guard let (title, message) = ErrorNotifier.errorMessage(for: error) else { return } + // displayMessage() is deprecated, but there's no better alternative to show the error to the user + tunnelProvider.displayMessage("\(title): \(message)", completionHandler: { (_) in }) + } +} |