[Koha-bugs] [Bug 18046] New: Problem with redirect on logout with CAS

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=18046

            Bug ID: 18046
           Summary: Problem with redirect on logout with CAS
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Authentication
          Assignee: gmcharlt at gmail.com
          Reporter: katrin.fischer at bsz-bw.de
        QA Contact: testopia at bugs.koha-community.org
                CC: dpavlin at rot13.org

Since updating to 3.22.14 which includes the fix for bug 17841, there is a
problem when logging out of the OPAC with CAS.

Settings:
casLogout = Logout

Before the update, you weren't redirected back to the OPAC after logout. Bug
17841 was supposed to fix this behaviour.

After the update, we are sending the redirect URL in the service parameter of
the logout URL:
https://.../logout?url=https%3A%2F%2F...%2Fcgi-bin%2Fkoha%2Fopac-main.pl%3Flogout.x%3D1

The CAS logout itself works, but the redirect to Koha seems to be stuck in an
"infinite loop". The page reloads again and again.

It seems to work ok, when you craft an URL like:
https://.../logout?url=https%3A%2F%2F...%2Fcgi-bin%2Fkoha%2Fopac-main.pl%3Flogout.x%3D1
without the logout.x%3D1 parameter at the end of the URL.

Tested in Firefox ESR 45.7.0.

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