Get rid of superflous isActivateOnDemandEnabled key

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

WireGuard/WireGuard/Base.lproj/Localizable.strings

@@ -177,6 +177,7 @@
 
 "alertTunnelActivationFailureTitle" = "Activation failure";
 "alertTunnelActivationFailureMessage" = "The tunnel could not be activated. Please ensure that you are connected to the Internet.";
+"alertTunnelActivationFailureOnDemandAddendum" = " This tunnel has Activate On Demand enabled, so this tunnel might be re-activated automatically by the OS. You may turn off Activate On Demand in this app by editing the tunnel configuration.";
 
 "alertTunnelNameEmptyTitle" = "No name provided";
 "alertTunnelNameEmptyMessage" = "Cannot create tunnel with an empty name";

WireGuard/WireGuard/Tunnel/MockTunnels.swift

@@ -37,7 +37,7 @@ class MockTunnels {
             let tunnelConfiguration = TunnelConfiguration(interface: interface, peers: [peer])
 
             let tunnelProviderManager = NETunnelProviderManager()
-            tunnelProviderManager.protocolConfiguration = NETunnelProviderProtocol(tunnelConfiguration: tunnelConfiguration, isActivateOnDemandEnabled: false)
+            tunnelProviderManager.protocolConfiguration = NETunnelProviderProtocol(tunnelConfiguration: tunnelConfiguration)
             tunnelProviderManager.localizedDescription = tunnelName
             tunnelProviderManager.isEnabled = true
 

WireGuard/WireGuard/Tunnel/TunnelErrors.swift

@@ -51,15 +51,15 @@ enum TunnelsManagerActivationAttemptError: WireGuardAppError {
 }
 
 enum TunnelsManagerActivationError: WireGuardAppError {
-    case activationFailed
-    case activationFailedWithExtensionError(title: String, message: String)
+    case activationFailed(wasOnDemandEnabled: Bool)
+    case activationFailedWithExtensionError(title: String, message: String, wasOnDemandEnabled: Bool)
     
     var alertText: AlertText {
         switch self {
-        case .activationFailed:
-            return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationFailureMessage"))
-        case .activationFailedWithExtensionError(let title, let message):
-            return (title, message)
+        case .activationFailed(let wasOnDemandEnabled):
+            return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationFailureMessage") + (wasOnDemandEnabled ? tr("alertTunnelActivationFailureOnDemandAddendum") : ""))
+        case .activationFailedWithExtensionError(let title, let message, let wasOnDemandEnabled):
+            return (title, message + (wasOnDemandEnabled ? tr("alertTunnelActivationFailureOnDemandAddendum") : ""))
         }
     }
 }

WireGuard/WireGuard/Tunnel/TunnelsManager.swift

@@ -66,7 +66,7 @@ class TunnelsManager {
         }
 
         let tunnelProviderManager = NETunnelProviderManager()
-        tunnelProviderManager.protocolConfiguration = NETunnelProviderProtocol(tunnelConfiguration: tunnelConfiguration, isActivateOnDemandEnabled: activateOnDemandSetting.isActivateOnDemandEnabled)
+        tunnelProviderManager.protocolConfiguration = NETunnelProviderProtocol(tunnelConfiguration: tunnelConfiguration)
         tunnelProviderManager.localizedDescription = tunnelName
         tunnelProviderManager.isEnabled = true
 
@@ -125,7 +125,7 @@ class TunnelsManager {
 
         let shouldRestartIfActive = !((tunnelProviderManager.protocolConfiguration as? NETunnelProviderProtocol)?.hasTunnelConfiguration(tunnelConfiguration: tunnelConfiguration) ?? false)
 
-        tunnelProviderManager.protocolConfiguration = NETunnelProviderProtocol(tunnelConfiguration: tunnelConfiguration, isActivateOnDemandEnabled: activateOnDemandSetting.isActivateOnDemandEnabled)
+        tunnelProviderManager.protocolConfiguration = NETunnelProviderProtocol(tunnelConfiguration: tunnelConfiguration)
         tunnelProviderManager.localizedDescription = tunnelName
         tunnelProviderManager.isEnabled = true
 
@@ -277,9 +277,9 @@ class TunnelsManager {
                 } else if session.status == .disconnected {
                     tunnel.isAttemptingActivation = false
                     if let (title, message) = self.lastErrorTextFromNetworkExtension(for: tunnel) {
-                        self.activationDelegate?.tunnelActivationFailed(tunnel: tunnel, error: .activationFailedWithExtensionError(title: title, message: message))
+                        self.activationDelegate?.tunnelActivationFailed(tunnel: tunnel, error: .activationFailedWithExtensionError(title: title, message: message, wasOnDemandEnabled: tunnelProvider.isOnDemandEnabled))
                     } else {
-                        self.activationDelegate?.tunnelActivationFailed(tunnel: tunnel, error: .activationFailed)
+                        self.activationDelegate?.tunnelActivationFailed(tunnel: tunnel, error: .activationFailed(wasOnDemandEnabled: tunnelProvider.isOnDemandEnabled))
                     }
                 }
             }