dotnet-installer/old/build_projects/dotnet-cli-build/AddMetadataIsPE.cs
2018-10-21 20:47:58 -07:00

65 lines
1.8 KiB
C#

// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;
using System;
using System.IO;
using System.Reflection.PortableExecutable;
using System.Collections.Generic;
namespace Microsoft.DotNet.Cli.Build
{
public class AddMetadataIsPE : Task
{
[Required]
public ITaskItem[] Items { get; set; }
[Output]
public ITaskItem[] ResultItems { get; set; }
public override bool Execute()
{
var resultItemsList = new List<ITaskItem>();
foreach (var item in Items)
{
var resultItem = new TaskItem(item);
item.CopyMetadataTo(resultItem);
if (File.Exists(resultItem.GetMetadata("FullPath")) &&
HasMetadata(resultItem.GetMetadata("FullPath")))
{
resultItem.SetMetadata("IsPE", "True");
}
else
{
resultItem.SetMetadata("IsPE", "False");
}
resultItemsList.Add(resultItem);
}
ResultItems = resultItemsList.ToArray();
return true;
}
private static bool HasMetadata(string pathToFile)
{
try
{
using (var inStream = File.OpenRead(pathToFile))
{
using (var peReader = new PEReader(inStream))
{
return peReader.HasMetadata;
}
}
}
catch (BadImageFormatException) { }
return false;
}
}
}