108 lines
4.8 KiB
Swift
108 lines
4.8 KiB
Swift
// SPDX-License-Identifier: MIT
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// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
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import NetworkExtension
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enum TunnelsManagerError: WireGuardAppError {
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case tunnelNameEmpty
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case tunnelAlreadyExistsWithThatName
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case systemErrorOnListingTunnels(systemError: Error)
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case systemErrorOnAddTunnel(systemError: Error)
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case systemErrorOnModifyTunnel(systemError: Error)
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case systemErrorOnRemoveTunnel(systemError: Error)
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var alertText: AlertText {
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switch self {
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case .tunnelNameEmpty:
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return (tr("alertTunnelNameEmptyTitle"), tr("alertTunnelNameEmptyMessage"))
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case .tunnelAlreadyExistsWithThatName:
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return (tr("alertTunnelAlreadyExistsWithThatNameTitle"), tr("alertTunnelAlreadyExistsWithThatNameMessage"))
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case .systemErrorOnListingTunnels(let systemError):
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return (tr("alertSystemErrorOnListingTunnelsTitle"), systemError.localizedUIString)
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case .systemErrorOnAddTunnel(let systemError):
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return (tr("alertSystemErrorOnAddTunnelTitle"), systemError.localizedUIString)
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case .systemErrorOnModifyTunnel(let systemError):
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return (tr("alertSystemErrorOnModifyTunnelTitle"), systemError.localizedUIString)
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case .systemErrorOnRemoveTunnel(let systemError):
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return (tr("alertSystemErrorOnRemoveTunnelTitle"), systemError.localizedUIString)
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}
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}
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}
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enum TunnelsManagerActivationAttemptError: WireGuardAppError {
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case tunnelIsNotInactive
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case failedWhileStarting(systemError: Error) // startTunnel() throwed
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case failedWhileSaving(systemError: Error) // save config after re-enabling throwed
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case failedWhileLoading(systemError: Error) // reloading config throwed
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case failedBecauseOfTooManyErrors(lastSystemError: Error) // recursion limit reached
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var alertText: AlertText {
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switch self {
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case .tunnelIsNotInactive:
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return (tr("alertTunnelActivationErrorTunnelIsNotInactiveTitle"), tr("alertTunnelActivationErrorTunnelIsNotInactiveMessage"))
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case .failedWhileStarting(let systemError),
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.failedWhileSaving(let systemError),
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.failedWhileLoading(let systemError),
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.failedBecauseOfTooManyErrors(let systemError):
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return (tr("alertTunnelActivationSystemErrorTitle"),
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tr(format: "alertTunnelActivationSystemErrorMessage (%@)", systemError.localizedUIString))
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}
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}
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}
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enum TunnelsManagerActivationError: WireGuardAppError {
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case activationFailed(wasOnDemandEnabled: Bool)
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case activationFailedWithExtensionError(title: String, message: String, wasOnDemandEnabled: Bool)
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var alertText: AlertText {
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switch self {
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case .activationFailed:
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return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationFailureMessage"))
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case .activationFailedWithExtensionError(let title, let message, _):
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return (title, message)
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}
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}
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}
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extension PacketTunnelProviderError: WireGuardAppError {
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var alertText: AlertText {
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switch self {
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case .savedProtocolConfigurationIsInvalid:
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return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationSavedConfigFailureMessage"))
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case .dnsResolutionFailure:
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return (tr("alertTunnelDNSFailureTitle"), tr("alertTunnelDNSFailureMessage"))
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case .couldNotStartBackend:
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return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationBackendFailureMessage"))
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case .couldNotDetermineFileDescriptor:
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return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationFileDescriptorFailureMessage"))
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case .couldNotSetNetworkSettings:
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return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationSetNetworkSettingsMessage"))
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}
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}
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}
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extension Error {
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var localizedUIString: String {
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if let systemError = self as? NEVPNError {
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switch systemError {
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case NEVPNError.configurationInvalid:
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return tr("alertSystemErrorMessageTunnelConfigurationInvalid")
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case NEVPNError.configurationDisabled:
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return tr("alertSystemErrorMessageTunnelConfigurationDisabled")
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case NEVPNError.connectionFailed:
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return tr("alertSystemErrorMessageTunnelConnectionFailed")
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case NEVPNError.configurationStale:
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return tr("alertSystemErrorMessageTunnelConfigurationStale")
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case NEVPNError.configurationReadWriteFailed:
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return tr("alertSystemErrorMessageTunnelConfigurationReadWriteFailed")
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case NEVPNError.configurationUnknown:
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return tr("alertSystemErrorMessageTunnelConfigurationUnknown")
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default:
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return ""
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}
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} else {
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return localizedDescription
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}
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}
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}
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