上傳檔案

轉貼至ASP.NET 如何上傳檔案至遠端機器上

RemoteCopy.aspx.vb
Imports System.Web.Security
Imports System.Security.Principal
Imports System.Runtime.InteropServices
Partial Class RemoteCopy
    Inherits System.Web.UI.Page
    Dim LOGON32_LOGON_INTERACTIVE As Integer = 2
    Dim LOGON32_PROVIDER_DEFAULT As Integer = 0
    Dim impersonationContext As WindowsImpersonationContext
    Declare Function LogonUserA 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 Integer
    Declare Auto Function DuplicateToken Lib "advapi32.dll" ( _
                        ByVal ExistingTokenHandle As IntPtr, _
                        ByVal ImpersonationLevel As Integer, _
                        ByRef DuplicateTokenHandle As IntPtr) As Integer
    Declare Auto Function RevertToSelf Lib "advapi32.dll" () As Long
    Declare Auto Function CloseHandle Lib "kernel32.dll" (ByVal handle As IntPtr) As Long
    Private Function impersonateValidUser(ByVal userName As String, ByVal domain As String, ByVal password As String) As Boolean
        Dim tempWindowsIdentity As WindowsIdentity
        Dim token As IntPtr = IntPtr.Zero
        Dim tokenDuplicate As IntPtr = IntPtr.Zero
        impersonateValidUser = False
        If RevertToSelf() Then
            If LogonUserA(userName, domain, password, LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, token) <> 0 Then
                If DuplicateToken(token, 2, tokenDuplicate) <> 0 Then
                    tempWindowsIdentity = New WindowsIdentity(tokenDuplicate)
                    impersonationContext = tempWindowsIdentity.Impersonate()
                    If Not impersonationContext Is Nothing Then
                        impersonateValidUser = True
                    End If
                End If
            End If
        End If
        If Not tokenDuplicate.Equals(IntPtr.Zero) Then
            CloseHandle(tokenDuplicate)
        End If
        If Not token.Equals(IntPtr.Zero) Then
            CloseHandle(token)
        End If
    End Function
    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As SystemEventArgs) Handles Button1.Click
       If impersonateValidUser("userName", "xx.xx.xx.xx", "password") Then
            FileUpload1.SaveAs(\\xx.xx.xx.xx\test\XX.TXT)
        End If
    End Sub
End Class