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https://issues.apache.org/jira/browse/SHIRO-442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071980#comment-14071980
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José Pereira commented on SHIRO-442:
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We were going to suggest the same patch! Is thre a possibility to create a
release 1.2.3a or similar (that is what we are currently doing ourselves
because this patch is critical to us!)
Thank you very much
> CAS client fails with multi-valued SAML attributes
> --------------------------------------------------
>
> Key: SHIRO-442
> URL: https://issues.apache.org/jira/browse/SHIRO-442
> Project: Shiro
> Issue Type: Bug
> Components: Authorization (access control)
> Affects Versions: 1.2.1
> Reporter: Art O Cathain
> Fix For: 1.2.3, 2.0.0
>
> Attachments: shiro-cas-saml.patch
>
>
> When using org.apache.shiro.cas.CasRealm, if the SAML returned by CAS
> contains multiple attributes of the same name (e.g. roles?), CasRealm blows
> up in doGetAuthorizationInfo
> String value = attributes.get(attributeName);
> with
> java.lang.ClassCastException: java.util.ArrayList cannot be cast to
> java.lang.String
> This is because the org.jasig.cas.client.validation.Saml11TicketValidator is
> populating the attributes in the
> principal as follows:
> personAttributes.put(samlAttribute.getName(), values.size() == 1 ?
> values.get(0) : values);
> See attached patch for a fix
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