If the windows authentication uses some type of LDAP (ActiveDirectory
for instance has some lever of LDAP compliance), you can achieve what
you want with Spring Security (http://static.springframework.org/
spring-security/site/reference/html/springsecurity.html).

On Feb 13, 5:24 am, Damien Picard <[email protected]> wrote:
> Hi,
>
> Good to know that. As I understand, it only works with IE (via active
> directory), right ?
>
> 2009/2/13 Matías Costa <[email protected]>
>
> > Damien is 50% right. You can't get windows credentials from any internet
> > user. But both IE and mozilla on windows support http auth negotiate. IE for
> > same active directory hosts out of the box, and in both you can add
> > exceptions.
>
> > I know it, because I worked in a web single sign on project for a company
> > intranet. The mechanism is called SPNEGO. Other guy in the project
> > integrated it with jass and/or acegui, but I don't remember too much.
>
> > On Fri, Feb 13, 2009 at 7:46 AM, Roger <[email protected]> wrote:
>
> >> Hi all,
>
> >> Greeting from Roger.
> >> I do not know how to get login user from Windows in GWT. I try solving
> >> this in the way below, unfortunately does not work.
>
> >> In RemoteServiceServlet,
>
> >>   ...............
> >>    Principal principal = getThreadLocalRequest().getUserPrincipal
> >> ()   //  principal is NULL!!
> >>    String userName  = principal.getName();
> >>   ....................
>
> >> Is there anyone can help me on this ?
> >> Thanks a ton.
>
> >> BR, Roger
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