我如何使用另一个身份在asp.net中执行我的代码，前提是我有一个用户名和密码

我正在构建一个基于Web的小型管理应用程序。 在其中我需要通过wmi使用不同的帐户连接到不同的服务器。

我想要的是告诉我的应用：你现在由user1运行，执行此操作。 然后我想告诉它：现在你是user2，做这个和这个。

我想，我的问题并不是那么清楚，我会重构它。

Answer 1

您必须编写一份单独的.Net代码（一些非管理的调用）来执行您的用户模拟，然后在冒充该用户时调用您的代码。 然后，您可以恢复用户帐户：

为VB样本道歉，但这很容易移植到C＃。

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VB示例

Public Class UserImpersonation Private Declare Auto Function LogonUser Lib "advapi32.dll" (ByVal lpszUsername As [String], _ ByVal lpszDomain As [String], ByVal lpszPassword As [String], _ ByVal dwLogonType As Integer, ByVal dwLogonProvider As Integer, _ ByRef phToken As IntPtr) As Boolean  _ Private Shared Function FormatMessage(ByVal dwFlags As Integer, ByRef lpSource As IntPtr, _ ByVal dwMessageId As Integer, ByVal dwLanguageId As Integer, ByRef lpBuffer As [String], _ ByVal nSize As Integer, ByRef Arguments As IntPtr) As Integer End Function Private Declare Auto Function CloseHandle Lib "kernel32.dll" (ByVal handle As IntPtr) As Boolean Private Declare Auto Function DuplicateToken Lib "advapi32.dll" (ByVal ExistingTokenHandle As IntPtr, _ ByVal SECURITY_IMPERSONATION_LEVEL As Integer, _ ByRef DuplicateTokenHandle As IntPtr) As Boolean  _ Public Shared Function ImpersonateUser(ByVal strDomain As String, ByVal strUserid As String, ByVal strPassword As String) As WindowsImpersonationContext Dim tokenHandle As New IntPtr(0) Dim dupeTokenHandle As New IntPtr(0) Try ' Get the user token for the specified user, domain, and password using the ' unmanaged LogonUser method. ' The local machine name can be used for the domain name to impersonate a user on this machine. Const LOGON32_PROVIDER_DEFAULT As Integer = 0 'This parameter causes LogonUser to create a primary token. Const LOGON32_LOGON_INTERACTIVE As Integer = 2 tokenHandle = IntPtr.Zero ' Call LogonUser to obtain a handle to an access token. Dim returnValue As Boolean = LogonUser(strUserid, strDomain, strPassword, LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, tokenHandle) If returnValue = False Then Dim ret As Integer = Marshal.GetLastWin32Error() Throw New System.ComponentModel.Win32Exception(ret) Else ' Use the token handle returned by LogonUser. Dim newId As New WindowsIdentity(tokenHandle) Dim ImpersonatedUser As WindowsImpersonationContext = newId.Impersonate() Return ImpersonatedUser End If Catch ex As Exception Console.WriteLine("UserImpersonation.impersonateUser Exception Occurred: " + ex.Message) Return Nothing End Try ' Free the tokens. If Not System.IntPtr.op_Equality(tokenHandle, IntPtr.Zero) Then CloseHandle(tokenHandle) End If End Function Public Shared Function UndoImpersonate(ByVal WIC As WindowsImpersonationContext) As Boolean Try ' Stop impersonating the user. WIC.Undo() Return True Catch ex As Exception Console.WriteLine(("Exception occurred. " + ex.Message)) Return False End Try End Function End Class