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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 52303] New: NonLoginAuthenticator does not honour session timeout with SingleSignOn Valve
Date Thu, 08 Dec 2011 09:35:59 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=52303

             Bug #: 52303
           Summary: NonLoginAuthenticator does not honour session timeout
                    with SingleSignOn Valve
           Product: Tomcat 7
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: Brian@PingToo.com
    Classification: Unclassified


Created attachment 28052
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=28052
proposed diff to fix org.apache.catalina.authenticator.NonLoginAuthenticator

This problem has been explored and discussed on the tomcat-users mailing list
under the title "SingleSignonValve and webapp session timeout". Basically, a
webapp that does not need to define a <login-config> is valid under the servlet
3.0 spec and therefore should be able to participate in a single signon realm.
It should be able to inherit the security principal established by another
webapp within the same realm. Its own <session-timeout> value should be
honoured, even when all the other sessions in the same SingleSignOnEntry have
expired.

The problem is with NonLoginAuthenticator - at some time it had SSO helper
logic that was too primitive. This logic was completely commented-out in tomcat
6.0.0.

I have two fairly simple webapps (not quite drop-ins) that demonstrate the
problem and my proposed fix. I have heavily commented my proposed fix to
explain the surrounding dependent logic that it relies on.

At the moment I have not found an SSO-based unit test for any of the
AuthenticatorBase concrete classes, but I will try to create one (eventually).

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