How to set Principal object?
Hello,
I have two web applications. The "app1" is the one we are developing and retrieving the Principal object. The "app2" is a black box web application which we have no way to modify. We can only add parameters in web.xml. The business flow is that once the Principal object is retrieved in "app1", the "app1" calls "app2". The "app2" is looking for User_Principal object. The document says "USER_PRINCIPAL = (The user name is retrieved from a call to getUserPrincipal().getName() on the HttpServletRequest object for the current request in a servlet or JSP)". If I understand this correctly, the "app2" is going to look for "HttpServletRequest". How can the "app1" set Principal object so that "app2" can retrieve it from "HttpServletRequest"? As far as I know there is not "setUserPrincipal()" method in "HttpServletRequest". So the app1 cannot use "HttpServletRequest".
Thanks in advance,
Mustafa
The UserPrinciple is set by the server after the user has been successfully authenticated. You should force the user to login to the second application using the <security-constrain> entry in web.xml. If your user has already been authenticated in your first application than make sure that you have the Realm the user is authenticated to available for both web apps.
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