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From "Les Hazlewood (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SHIRO-285) Integration with CAS
Date Thu, 15 Dec 2011 23:55:31 GMT

    [ https://issues.apache.org/jira/browse/SHIRO-285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13170598#comment-13170598
] 

Les Hazlewood commented on SHIRO-285:
-------------------------------------

Jerome,

Compilation fails on the ServiceTicketValidatorMock class.  I then changed the type signature
to Map<String,Object> there as well, and then it compiles.

However, test cases fail after making these changes.  Can you please update the tests and
provide a new patch?

Incremental updates by copying-and-pasting issue posts are cumbersome and error prone - can
you please please provide a patch?

Thanks,

Les
                
> Integration with CAS
> --------------------
>
>                 Key: SHIRO-285
>                 URL: https://issues.apache.org/jira/browse/SHIRO-285
>             Project: Shiro
>          Issue Type: New Feature
>            Reporter: Jérôme Leleu
>         Attachments: shiro_cas.txt, shiro_cas2.txt
>
>
> As I wanted to test shiro with CAS, I created a CAS filter, a CAS token and a CAS realm.
I'm new to shiro so maybe I was mistaken on some points.
> I have a demo webapp with these files :
> index.jsp
> error.jsp
> protected/index.jsp
> The idea is to protect the /protected folder. I have this shiro.ini configuration :
> [main]
> authcas = org.apache.shiro.cas.CasFilter
> authcas.failureUrl = /demo2/error.jsp
> defaultRealm = com.jle.demo2.realm.DefaultRealm
> defaultRealm.name = demo2
> defaultRealm.casServerUrlPrefix = http://localhost:11380/cas/
> defaultRealm.casService = http://localhost:11380/demo2/shiro-cas
> roles.loginUrl = http://localhost:11380/cas/login?service=http://localhost:11380/demo2/shiro-cas
> [urls]
> /protected/** = roles[ROLE_USER]
> /shiro-cas = authcas
> /** = anon
> The protection on /protected/** implies to have the role ROLE_USER, if it is not the
case, the user is redirected to the CAS server according to the property loginUrl of roles
: http://localhost:11380/cas/login?service=http://localhost:11380/demo2/shiro-cas.
> After authentication on CAS server, the user is redirected (CAS works like this) to the
service url : http://localhost:11380/demo2/shiro-cas. On this url, there is the authcas filter
defined as the DefaultRealm which inherits from CasRealm :
> public class DefaultRealm extends CasRealm {
>     
>     @Override
>     protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals)
{
>         Set<String> roles = new HashSet<String>();
>         roles.add("ROLE_USER");
>         return new SimpleAuthorizationInfo(roles);
>     }
> }
> The DefaultRealm always grants the authenticated user the ROLE_USER role to access to
the /protected folder.
> The CasFilter is configured on a specific url corresponding to the CAS url service :
http://localhost:11380/demo2/shiro-cas, it gets the service parameter in url and create a
CasToken with it.
> The CasRealm uses the CasToken to authenticate the user, it gets the service ticket,
uses the Cas20ServiceTicketValidator (from CAS client) to call the CAS server and validates
the ticket granted by CAS.
> If the ticket is validated, the user is authenticated and redirected to the original
protected url (/protected/index.jsp). If the validation fails, the user is redirected to the
CAS error page (error.jsp = authcas.failureUrl).
> To add CasFilter, CasToken and CasRealm to the trunk, I created a CAS module inside support.
> * CasRealm :
> I didn't find how to set the remember me to the subject : I know if the user is in rememberme
mode from CAS depending on a specific attribute from the Assertion object but I didn't know
how to pass this information to the subject (there is a TODO).
> During the CAS service ticket validation, I get the object Assertion and all the attributes
of the user populated by CAS are in the "attributes" property : I don't know what to do with
these attributes.
> During the CAS service ticket validation, I choose not to throw an AuthenticationException,
but returns null instead : is it the good way to do ?
> * CasFilter :
> I'm not sure I respect the spirit of shiro because my filter authcas is always the last
one. I add on the onLoginFailure a test, if the user is already authenticated, it doesn't
failed but redirects to default success url.
> I didn't know how to add my authcas filter as a default filter without configuring it
in the shiro.ini file.
> I have no test yet.
> I join the SVN patch.
> Hope it works well for you. Don't hesitate to come back to me.

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