From: "Roman Usatenko" <roman.usatenko(a)gmail.com>
To: keycloak-user(a)lists.jboss.org
Sent: Saturday, 30 May, 2015 1:39:33 AM
Subject: [keycloak-user] Cancel button handling on keycloak login page
Hello,
I am trying to implement POC with keycloak as auth* server.
Here is my set up / use case:
* Tomcat server with keycloak adapter
* Web app with a URL
http://x.y/app/secure protected by a security
constraint.
* An unauthenticated user goes to the URL and gets redirected by the
adapter to the keycloak login page.
* The user clicks Cancel button and gets redirected back to the URL with
parameters ?error=access_denied&state=1%2Fxxxx
* This redirect is intercepted by the adapter and user's browser gets 400
error from the adapter. My application never receives the request.
So my questions are:
1. Is this correct description of what's going on or am I missing something?
2. If this is the behavior by design wouldn't it be better instead of the 400
error to redirect user to some themed page on the keycloak server with a
nice explanation, like "We're sorry, but you cannot access this resource
without authentication, blablabla "
You can decide how the 400 error page looks like for your application by configuring error
pages in web.xml (see for example
Thank you,
Roman Usatenko.
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