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[grouper-users] Grouper UI authentication with CAS

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  • From: Baron Fujimoto <>
  • To: Grouper Users <>
  • Subject: [grouper-users] Grouper UI authentication with CAS
  • Date: Thu, 20 Aug 2015 19:21:26 -1000

I'm attempting to configure the Grouper (2.2) UI to authenticate using

The basic documentation I'm trying to follow is:

The "Yale CAS Authentication" link points to

but that page warns that it's an older version and that a the newer
contributions page should be used instead:

On that page, under Code Contributions, there's a link to "yale-cas-auth"
that points to

but that page is 404.

However, I'm assuming that README.html is the same one found in

The README advises to build it using the "" property.

In, I have set:${basedir}/../grouper-ui-custom/additional-build.xml

and in ../grouper-ui-custom/additional-build.xml I have:
<project name="additional">

<target name="webapp">

<!-- if i dont have this here, it doesnt work (doesnt pass it on to other
ant file) -->
<property name="cp3" refid="ui.class.path" />

<ant antfile="build.xml" target="webapp"
dir="${contrib.dir}/yale-cas-auth" inheritrefs="true" />


<!-- this target is required even if blank -->
<target name="resources">



However when I try to build with "ant dist" I get the following error:
[echo] Calling site specific build script -
- target=resources

/home/grouper/grouper/grouper.ui-2.2.1/build.xml:193: The following error
occurred while executing this line:
/home/grouper/grouper/grouper.ui-2.2.1/build.xml:773: The following error
occurred while executing this line:
/home/grouper/grouper/grouper.ui-2.2.1/build.xml:332: The following error
occurred while executing this line:
/home/grouper/grouper/grouper.ui-2.2.1/build.xml:658: Reference not found.

So I'm stuck here at the moment.

The yale-cas README also instructs you to override the callLogin action
in struts-config.xml and references another defunct page at

I'm assuming these are the current docs for how to do this:

So I have the (as yet untested) in
<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.1//EN"


<action path="/callLogin" scope="request"
unknown="false" validate="false">

<forward name="callLogin" path="/" redirect="true"/>


Is this the right approach? I didn't see the equivalent of an definition to tell it to actually look for the
struts-config-custom.xml file, but I'm trying to piece this together from
the what I find in the wiki so I kind of guessing at the moment.

Baron Fujimoto
:: UH Information Technology Services
minutas cantorum, minutas balorum, minutas carboratum desendus pantorum

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