[macdoc] Propagate root launcher error and report them to the user

1 files changed, 42 insertions, 8 deletions

diff --git a/RootLauncher.cs b/RootLauncher.cs
index d879197..8e2d8d4 100644
--- a/RootLauncher.cs
+++ b/RootLauncher.cs
@@ -1,9 +1,39 @@
 using System;
+using System.IO;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 
 namespace macdoc
 {
+	public enum AuthorizationResultCode
+	{
+		Success = 0,
+		InvalidSet              = -60001,
+		InvalidRef              = -60002,
+		InvalidTag              = -60003,
+		InvalidPointer          = -60004,
+		Denied                  = -60005,
+		Canceled                = -60006,
+		InteractionNotAllowed   = -60007,
+		Internal                = -60008,
+		ExternalizeNotAllowed	= -60009,
+		InternalizeNotAllowed	= -60010,
+		InvalidFlags            = -60011,
+		ToolExecuteFailure      = -60031,
+		ToolEnvironmentError    = -60032,
+		BadAddress              = -60033,
+		FileNotFound            = -60035 // Addition
+	}
+	
+	public class RootLauncherException : ApplicationException
+	{
+		public RootLauncherException (string message) : base (message)
+		{
+		}
+		
+		public AuthorizationResultCode ResultCode { get; set; }
+	}
+	
 	// You were in need of some harsh reality? You have come to the right place
 	public static class RootLauncher
 	{
@@ -11,20 +41,24 @@ namespace macdoc
 		
 		public static void LaunchExternalTool (string toolPath)
 		{
+			if (!File.Exists (toolPath))
+				throw new RootLauncherException ("[Launcher] Error, the tool doesn't exist and can't be launched") { ResultCode = AuthorizationResultCode.FileNotFound };
+			
 			IntPtr authReference = IntPtr.Zero;
-			int result = AuthorizationCreate (IntPtr.Zero, IntPtr.Zero, 0, out authReference);
-			if (result != 0) {
-				Console.WriteLine ("Error while creating Auth Reference: {0}", result);
-				return;
-			}
-			AuthorizationExecuteWithPrivileges (authReference, toolPath, 0, new string[] { null }, IntPtr.Zero);
+			AuthorizationResultCode result = AuthorizationCreate (IntPtr.Zero, IntPtr.Zero, 0, out authReference);
+			if (result != AuthorizationResultCode.Success)
+				throw new RootLauncherException ("[Launcher] Error while creating Auth Reference") { ResultCode = result };
+			
+			result = AuthorizationExecuteWithPrivileges (authReference, toolPath, 0, new string[] { null }, IntPtr.Zero);
+			if (result != AuthorizationResultCode.Success)
+				throw new RootLauncherException ("[Launcher] Error while executing") { ResultCode = result };
 		}
 		
 		[DllImport (SecurityFramework)]
-		extern static int AuthorizationCreate (IntPtr autorizationRights, IntPtr environment, int authFlags, out IntPtr authRef);
+		extern static AuthorizationResultCode AuthorizationCreate (IntPtr autorizationRights, IntPtr environment, int authFlags, out IntPtr authRef);
 		
 		[DllImport (SecurityFramework)]
-		extern static int AuthorizationExecuteWithPrivileges (IntPtr authRef, string pathToTool, int authFlags, string[] args, IntPtr pipe);
+		extern static AuthorizationResultCode AuthorizationExecuteWithPrivileges (IntPtr authRef, string pathToTool, int authFlags, string[] args, IntPtr pipe);
 	}
 	
 	public static class UrlLauncher