发现如果用户是Active Directory组ASP.NET VB的会员? [英] Find If User is Member of Active Directory Group ASP.NET VB?
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问题描述
我使用Active Directory来验证用户身份的一个内部网站。我想改进是基于它们在Active Directory中的组认证的用户。有人能告诉我或点我如何找到一个用户是在ASP.NET 4.0(VB)?
I am using Active Directory to authenticate users for an intranet site. I would like to refine the users that are authenticated based on the group they are in in Active Directory. Can someone show me or point me to directions on how to find what groups a user is in in ASP.NET 4.0 (VB)?
推荐答案
我发现这个的这里。
''' <summary>
''' Function to return all the groups the user is a member od
''' </summary>
''' <param name="_path">Path to bind to the AD</param>
''' <param name="username">Username of the user</param>
''' <param name="password">password of the user</param>
Private Function GetGroups(ByVal _path As String, ByVal username As String, _
ByVal password As String) As Collection
Dim Groups As New Collection
Dim dirEntry As New _
System.DirectoryServices.DirectoryEntry(_path, username, password)
Dim dirSearcher As New DirectorySearcher(dirEntry)
dirSearcher.Filter = String.Format("(sAMAccountName={0}))", username)
dirSearcher.PropertiesToLoad.Add("memberOf")
Dim propCount As Integer
Try
Dim dirSearchResults As SearchResult = dirSearcher.FindOne()
propCount = dirSearchResults.Properties("memberOf").Count
Dim dn As String
Dim equalsIndex As String
Dim commaIndex As String
For i As Integer = 0 To propCount - 1
dn = dirSearchResults.Properties("memberOf")(i)
equalsIndex = dn.IndexOf("=", 1)
commaIndex = dn.IndexOf(",", 1)
If equalsIndex = -1 Then
Return Nothing
End If
If Not Groups.Contains(dn.Substring((equalsIndex + 1), _
(commaIndex - equalsIndex) - 1)) Then
Groups.Add(dn.Substring((equalsIndex + 1), & _
(commaIndex - equalsIndex) - 1))
End If
Next
Catch ex As Exception
If ex.GetType Is GetType(System.NullReferenceException) Then
MessageBox.Show("Selected user isn't a member of any groups " & _
"at this time.", "No groups listed", _
MessageBoxButtons.OK, MessageBoxIcon.Error)
'they are still a good user just does not
'have a "memberOf" attribute so it errors out.
'code to do something else here if you want
Else
MessageBox.Show(ex.Message.ToString, "Search Error", & _
MessageBoxButtons.OK, MessageBoxIcon.Error)
End If
End Try
Return Groups
End Function
End Class
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