File.Move to unc generates Access Denied

From: Michael McLaughlin (MichaelMcLaughlin_at_discussions.microsoft.com)
Date: 12/23/04

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    Date: Thu, 23 Dec 2004 08:27:04 -0800

    Hopefully someone will have a little insight.

    Using ASP.net written in vb.net I have a file interface which shows files in
    a dropdown. The user picks the file they want to move/delete/download. The
    user is logged into the page using Windows Integrated security. If they click
    "move" it calls the linkbutton event which calls

    file.Move("c:\filestore\" & CStr(DropDownList1.SelectedItem.Text),
    "\\fileserver\fileshare\myfolder\" & CStr(DropDownList1.SelectedItem.Text))

    The user has full access(acl) to the file and the resulting unc folder. So I
    know this isn't an issue with the user account but with the account that the
    file.move is currently running under. Is there a way to make sure I am
    impersonating the user when performing this method?

    Also anyone have a tip on sanitizing filenames?

    Michael McLaughlin

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