I'm hoping to externalredirect:#{requestScope.redirectUrl} in
mfa-custom-webflow.xml and include the encoded original service url in the
redirect query string, but can't figure out how to get a reference to the
service so I can build the url in my action.
WebUtils.getService(requestContext) returns null.
All of the other mfa providers evaluate initialFlowSetupAction on start,
setting the service key value in the flow scope to null, thereby removing
whatever may have been there. My brain is fried from miles-deep tracing
through code, and I admit I don't fully understand whether the mfa web flow
is fully independent of the login flow.
It appears any action state code in the Duo provider would also receive a
null return value from WebUtils.getService(requestContext):
2020-03-07 13:38:45,756 DEBUG
[org.apereo.cas.web.flow.resolver.impl.SelectiveMultifactorAuthenticationProviderWebflowEventEventResolver]
- <Finalized set of resolved events are [[mfa-duo]]>
2020-03-07 13:38:45,756 DEBUG
[org.apereo.cas.web.flow.resolver.impl.AbstractCasWebflowEventResolver] -
<Resolved single event [mfa-duo] via [java.lang.String] for this context>
2020-03-07 13:38:45,756 DEBUG
[org.apereo.cas.web.flow.resolver.impl.DefaultCasDelegatingWebflowEventResolver]
- <The final authentication event resolved for
[AbstractWebApplicationService(id=https://www.asu.edu/footest,
originalUrl=https://www.asu.edu/footest, artifactId=null, principal=null,
source=service, loggedOutAlready=false, format=XML, attributes={})] is
[mfa-duo]>
2020-03-07 13:38:45,756 DEBUG
[org.apereo.cas.web.flow.resolver.impl.AbstractCasWebflowEventResolver] -
<Resolved single event [mfa-duo] via [java.lang.String] for this context>
2020-03-07 13:38:45,758 TRACE
[org.apereo.cas.web.flow.login.InitialFlowSetupAction] - <Warning cookie
path is set to [null] and path [/cas/]>
2020-03-07 13:38:45,758 TRACE
[org.apereo.cas.web.flow.login.InitialFlowSetupAction] - <TGC cookie path
is set to [null] and path [/cas/]>
2020-03-07 13:38:45,759 TRACE
[org.apereo.cas.authentication.principal.WebApplicationServiceFactory] -
<No service is specified in the request. Skipping service creation>
*2020-03-07 13:38:45,759 TRACE
[org.apereo.cas.web.support.DefaultArgumentExtractor] - <No service could
be extracted based on the given request>*
2020-03-07 13:38:45,759 TRACE
[org.apereo.cas.web.support.AbstractArgumentExtractor] - <Extractor did not
generate service.>
(https://github.com/apereo/cas/blob/d17798a08cbfef59623e0966becacc4d564d476e/support/cas-server-support-actions/src/main/java/org/apereo/cas/web/flow/login/InitialFlowSetupAction.java#L59)
Any pointers?
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