[Koha] Failing authentication via CAS after update to Koha 21.11.09

[Michael Kuhn]

Hi Tomas

I saw I was using the wrong URL to the Apereo XAS demo site - instead of 
"https://apereo.github.io/cas/" it is actually 
"https://casserver.herokuapp.com/cas". So I tried anew using this URL 
but still the CAS login into Koha fails ("Sorry, the CAS login failed.").

I also tried this URL on my Koha demo site using 22.05.00 but the login 
doesn't work either.

Best wishes: Michael
-- 
Geschäftsführer · Diplombibliothekar BBS, Informatiker eidg. Fachausweis
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Am 18.07.22 um 11:22 schrieb Michael Kuhn:
> Hi Tomas
> 
> You wrote:
> 
>  > Are you sure the CAS server is functional?
> 
> Yes, when clicking "Log in using a CAS account" the login dialogue of 
> the CAS server appears, after logging in it can be proven that the login 
> there was successful.
> 
> But the Koha OPAC seems to think the login failed and it says "Sorry, 
> the CAS login failed." This seems to happen because Koha script 
> "Auth.pm" returns 1 for "invalidCasLogin" but I can't find out why.
> 
>  > Can you try pointing your Koha or a replica to the Apereo XAS demo
>  > sites?
> 
> I found https://apereo.github.io/cas/index.html and I changed 
> "casServerUrl" to "https://apereo.github.io/cas/" but when I click "Log 
> in using a CAS account" there is a message "404 File not found" instead 
> of showing me a the CAS server dialogue.
> 
>  > For debugging, you should use
>  >
>  > warn "$variable";
>  >
>  > And look for those warns in the usual logs. Remember to restart plack
>  > everytime you change the code.
> 
> This worked but due to my limited knowledge of Perl and the Koha 
> authentication process via CAS it didn't help me further...
> 
> Can maybe someone confirm that the CAS server login actually works with 
> Koha 21.11.09? As said we didn't change the CAS configuration since Koha 
> 19.05.02.
> 
> Best wishes: Michael