96 lines
2.8 KiB
C#
96 lines
2.8 KiB
C#
using System.Runtime.InteropServices;
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namespace YLErp.Helpers
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{
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public class IdentityScope : IDisposable
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{
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// obtains user token
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[DllImport("advapi32.dll", SetLastError = true)]
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static extern bool LogonUser(string pszUsername, string pszDomain, string pszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);
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// closes open handes returned by LogonUser
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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extern static bool CloseHandle(IntPtr handle);
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[DllImport("Advapi32.DLL")]
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static extern bool ImpersonateLoggedOnUser(IntPtr hToken);
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[DllImport("Advapi32.DLL")]
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static extern bool RevertToSelf();
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const int LOGON32_PROVIDER_DEFAULT = 0;
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const int LOGON32_LOGON_NEWCREDENTIALS = 9;//域ò控?中D的?需è要a用?:Interactive = 2
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private bool disposed;
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/// <summary>
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/// 登?录?
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/// </summary>
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/// <param name="sUsername">用?户§名?</param>
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/// <param name="sDomain">域ò名?，?如?果?不?在ú域ò中D就í使1用?机ú器÷IP地?址·</param>
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/// <param name="sPassword">密ü码?</param>
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public IdentityScope(string sUsername, string sDomain, string sPassword)
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{
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// initialize tokens
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IntPtr pExistingTokenHandle = new IntPtr(0);
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IntPtr pDuplicateTokenHandle = new IntPtr(0);
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try
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{
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// get handle to token
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bool bImpersonated = LogonUser(sUsername, sDomain, sPassword, LOGON32_LOGON_NEWCREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref pExistingTokenHandle);
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if (true == bImpersonated)
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{
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if (!ImpersonateLoggedOnUser(pExistingTokenHandle))
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{
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int nErrorCode = Marshal.GetLastWin32Error();
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throw new Exception("ImpersonateLoggedOnUser error;Code=" + nErrorCode);
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}
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}
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else
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{
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int nErrorCode = Marshal.GetLastWin32Error();
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throw new Exception("LogonUser error;Code=" + nErrorCode);
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}
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}
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finally
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{
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// close handle(s)
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if (pExistingTokenHandle != IntPtr.Zero)
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CloseHandle(pExistingTokenHandle);
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if (pDuplicateTokenHandle != IntPtr.Zero)
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CloseHandle(pDuplicateTokenHandle);
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}
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}
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protected virtual void Dispose(bool disposing)
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{
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if (!disposed)
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{
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RevertToSelf();
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disposed = true;
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}
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}
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public void Dispose()
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{
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Dispose(true);
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}
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}
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}
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