September 2004
Intermediate to advanced
408 pages
7h 25m
English
Content preview from The .NET Developer's Guide to Windows SecurityBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 32. How to Impersonate a User Given Her Token
If you have a token for a user, it will be represented in the .NET Framework as a WindowsPrincipal (Item 24). You can impersonate that user by telling Windows to attach the token to your thread (Item 31). Here's an example from an ASP.NET Web application.
<%@page language='c#'%> <%@import namespace='System.Security.Principal'%> <script runat='server'> void Page_Load(object sender, EventArgs args) { IPrincipal p = this.User; WindowsIdentity id = (WindowsIdentity)p.Identity; Response.Output.Write("<h2>Process running as {0}</h2>", WindowsIdentity.GetCurrent().Name); // impersonate temporarily WindowsImpersonationContext wic = id.Impersonate(); try { // do some work while impersonating the client ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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