Cas 5 : How can I modify default flow

[Gokhan Mansuroglu]

Hello,

In the following default flow I need to change the viewGenericLoginSuccess transition. As far as I can see, I can only add new transtions and modifying an existing one is not possible. Is there any solution ?

Thank you.

2016-12-22 09:36:03,065 DEBUG [DecisionState] - <Entering state 'serviceCheck' of flow 'login'>
2016-12-22 09:36:03,065 DEBUG [Transition] - <Executing [Transition@a6925f on = *, to = viewGenericLoginSuccess]>
2016-12-22 09:36:03,065 DEBUG [Transition] - <Exiting state 'serviceCheck'>
2016-12-22 09:36:03,065 DEBUG [EndState] - <Entering state 'viewGenericLoginSuccess' of flow 'login'>

[Ray Bon]

Gokhan,

You can, of course, modify the classes for viewGenericLoginSuccess or create your own phase and modify the webflow.xml to point to your classes.
@see https://apereo.github.io/cas/4.1.x/installation/Webflow-Customization.html
and https://apereo.github.io/cas/5.0.x/installation/Webflow-Customization.html

Ray

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[Gokhan Mansuroglu]

Hi Ray,

Modifying the weblow.xml does not work since the flow is configured by the DefaultWebflowConfigurer. Even the viewGenericLoginSuccess state doesn't appear in the xml, it is added programmatically.

Actually I could modify the transitions as below :

        private void modifyTransitionDefinition(Flow flow, String stateId, String eventId, String targetStateId) {
        TransitionableState state = (TransitionableState) flow.getState(stateId);
        if (state != null) ((Transition) state.getTransition(eventId)).setTargetStateResolver(new DefaultTargetStateResolver(targetStateId));
        }

But this is really complicated because you can't see the complete flow in the login-flow.xml. I think this is an important issue. I am trying to upgrade my cas version from 3.3.3 to 5.0.0 and in the 3.3.3 I can see the overall flow in one xml file, now It seems to be impossible.

I don't know if I am doing something wrong but doesn't anyone have the same requirement ?


22 Aralık 2016 Perşembe 19:26:20 UTC+3 tarihinde Ray Bon yazdı:

[Yauheni Sidarenka]

Hello,

Please read this https://apereo.github.io/2016/10/07/webflow-extcfg/ if you have not read yet. I believe it may help you.

As far as I can see, I can only add new transtions and modifying an existing one is not possible.

I am using CAS 5.0.0 and I have this in my web flow configurer:

final Flow flow = super.getLoginFlow();
final TransitionSet ts = flow.getTransitionableState("handleAuthenticationFailure").getTransitionSet();
final Iterator<Transition> it = ts.iterator();
while (it.hasNext()) {
    if ("AccountLockedException".equals(it.next().getMatchingCriteria().toString())) {
        it.remove();
    }
}
final Transition t = createTransition("AccountLockedException", "initializeLoginForm");
ts.add(t);

So I removed old default transition and added my custom one.

Regards,
Yauheni

[Gokhan Mansuroglu]

Though expected to see more information, I am very surprised to see Turkey's Tombili in this blog :)

Thank you.

23 Aralık 2016 Cuma 12:33:09 UTC+3 tarihinde Yauheni Sidarenka yazdı:

[Yauheni Sidarenka]

You are welcome! And one more thing. While writing your SomethingConfiguration class with @Configuration annotation please note that your class should be in package org.apereo.cas or its subpackages (according to this: https://groups.google.com/a/apereo.org/forum/#!topic/cas-user/WKzqlZrmvS8 )

Regards,
Yauheni

[dkopy...@unicon.net]

Just FYI, the 'org.apereo.cas.*' package scanning for configuration classes won't be a requirement any more starting from 5.1 as the mechanism has been refactored to use Boot's META-INF/spring.factories discovery facility.

Happy Holidays,
D.

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