63 lines
2.0 KiB
C#
63 lines
2.0 KiB
C#
using System;
|
|
using System.IO;
|
|
using System.Reflection;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace Sarand.Net.Standard.Base.Utils
|
|
{
|
|
//=======================================================================
|
|
public static class AssemblyUtil
|
|
{
|
|
//-------------------------------------------------------------------
|
|
#region Gets the build date and time (by reading the COFF header)
|
|
// http://msdn.microsoft.com/en-us/library/ms680313
|
|
|
|
struct _IMAGE_FILE_HEADER
|
|
{
|
|
#pragma warning disable CS0649
|
|
public ushort Machine;
|
|
public ushort NumberOfSections;
|
|
public uint TimeDateStamp;
|
|
public uint PointerToSymbolTable;
|
|
public uint NumberOfSymbols;
|
|
public ushort SizeOfOptionalHeader;
|
|
public ushort Characteristics;
|
|
#pragma warning restore CS0649
|
|
};
|
|
|
|
public static DateTime GetBuildDateTime(this Assembly assembly)
|
|
{
|
|
var path = assembly.Location;
|
|
if (File.Exists(path))
|
|
{
|
|
var buffer = new byte[Math.Max(Marshal.SizeOf(typeof(_IMAGE_FILE_HEADER)), 4)];
|
|
using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read))
|
|
{
|
|
fileStream.Position = 0x3C;
|
|
fileStream.Read(buffer, 0, 4);
|
|
fileStream.Position = BitConverter.ToUInt32(buffer, 0); // COFF header offset
|
|
fileStream.Read(buffer, 0, 4); // "PE\0\0"
|
|
fileStream.Read(buffer, 0, buffer.Length);
|
|
}
|
|
var pinnedBuffer = GCHandle.Alloc(buffer, GCHandleType.Pinned);
|
|
try
|
|
{
|
|
var coffHeader = (_IMAGE_FILE_HEADER)Marshal.PtrToStructure(pinnedBuffer.AddrOfPinnedObject(), typeof(_IMAGE_FILE_HEADER));
|
|
DateTime buildDate = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
|
|
return buildDate.AddSeconds(coffHeader.TimeDateStamp);
|
|
//return TimeZoneInfo.Local.ToLocalTime(new DateTime(1970, 1, 1) + new TimeSpan(coffHeader.TimeDateStamp * TimeSpan.TicksPerSecond));
|
|
}
|
|
finally
|
|
{
|
|
pinnedBuffer.Free();
|
|
}
|
|
}
|
|
return new DateTime();
|
|
}
|
|
#endregion
|
|
|
|
//-------------------------------------------------------------------
|
|
}
|
|
//=======================================================================
|
|
}
|