Hi,

I've configured CAS to be SSO for Shibboleth IdP (External). This works fine.

I'm trying to display SAML MDUI (logo) but it cannot detect the entityId so 
nothing happens.

DEBUG [org.apereo.cas.support.saml.mdui.web.flow.SamlMetadataUIParserAction] - 
<No entity id found for parameter [entityId]>

implementation 
"org.apereo.cas:cas-server-support-saml-mdui:${project.'cas.version'}" in 
build.gradle
cas.saml-metadata-ui.resources=file:///etc/cas/config/idp-metadata/sp.xml

Log says:

DEBUG [org.apereo.cas.support.saml.mdui.AbstractMetadataResolverAdapter] - 
<Loading [sp.xml]>
DEBUG [org.apereo.cas.support.saml.mdui.AbstractMetadataResolverAdapter] - 
<Evaluating metadata resource [sp.xml]>
DEBUG [org.apereo.cas.support.saml.mdui.AbstractMetadataResolverAdapter] - 
<Locating metadata resource from input stream.>
DEBUG [org.apereo.cas.support.saml.mdui.AbstractMetadataResolverAdapter] - 
<Parsing [sp.xml]>
DEBUG [org.apereo.cas.support.saml.mdui.AbstractMetadataResolverAdapter] - 
<Initializing metadata resolver for [URL 
[file:/etc/cas/config/idp-metadata/sp.xml]]>
DEBUG [org.apereo.cas.support.saml.mdui.AbstractMetadataResolverAdapter] - 
<Collected metadata from [1] resolvers(s). Initializing aggregate resolver...>
INFO [org.apereo.cas.support.saml.mdui.AbstractMetadataResolverAdapter] - 
<Metadata aggregate initialized successfully.>

However when I'm redirected to CAS, to login to this SP (via shibboleth)

with URL:

https://cas.example.com/cas/login?service=https%3A%2F%2Fidp.example.com%2Fidp%2FAuthn%2FExternal%3Fconversation%3De2s1%26entityId%3Dhttps%3A%2F%2Fwww.example.com%2Fsp

I get in logs:

DEBUG [org.apereo.cas.support.saml.mdui.web.flow.SamlMetadataUIParserAction] - 
<No entity id found for parameter [entityId]>

Service registry lists the SP's entityId as serviceId:

--- !<org.apereo.cas.services.RegexRegisteredService>
serviceId: "https://www.example.com/sp";
...
logo: "https://www.example.com/images/logo-idp.png";
...

In advance the metadata loaded also have mdui relevant info:

<?xml version="1.0"?>
<md:EntityDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" 
xmlns:mdui="urn:oasis
:names:tc:SAML:metadata:ui" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"; 
entityID="https:
//www.example.com/sp">
  <md:SPSSODescriptor 
protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol urn
:oasis:names:tc:SAML:1.1:protocol">
    <md:Extensions>
      <mdui:UIInfo xmlns:mdui="urn:oasis:names:tc:SAML:metadata:ui">
        <mdui:Logo width="208" height="96" 
xml:lang="en">https://www.example.com/images/logo-idp.png</mdui:Logo>
      </mdui:UIInfo>

What am I missing here?
Thanks,

Giannis


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