Hi Hongxing,
Thanks for the reply. Would you be able to provide a code snippet for your
CASAuthentication.java’s authenticate() function. Our 3.1 instance that does
work is not using the jldap packages you are talking about, so I had tried
using its approach in 5.1.
Specifically, in our 3.1 instance we have the following code in
CASAuthentication’s authenticate() method that successfully retrieves the
user’s email, firstName and lastName values:
public int authenticate(Context context, String username, String password,
String realm, HttpServletRequest request)
throws SQLException {
try{
if (request.getUserPrincipal() != null) {
AttributePrincipal principal = (AttributePrincipal)
request.getUserPrincipal();
if (principal != null) {
Map attributes = principal.getAttributes();
String netid = request.getUserPrincipal().getName();
String email = (String) attributes.get("mail");
String firstName = (String) attributes.get("givenName");
String lastName = (String) attributes.get("sn");
log.info("UserPrincipal.email: " + email);
log.info("UserPrincipal.firstName: " + firstName);
log.info("UserPrincipal.lastName: " + lastName);
EPerson eperson = findEPersonByNetID(context, netid);
// if they entered a netd that matches an eperson and they are
allowed to login
if (eperson != null){
log.info(" EPerson!=null ");
if (eperson.getRequireCertificate()) return CERT_REQUIRED;
else if (!eperson.canLogIn()) return BAD_ARGS;
// Logged in OK.
context.setCurrentUser(eperson);
log.info(LogManager.getHeader(context, "authenticate",
"type=CAS"));
return SUCCESS;
}
// the user does not exist or doesn't have netid set
else{
log.info("EPerson==null ");
eperson = getEpersonByEmail(context, email);
log.info(" EPerson.getEpersonByEmail(context,
getEmail(request)); ==> " + eperson);
if(eperson!=null){
log.info(" EPerson!=null ");
eperson.setNetid(netid);
eperson.update();
context.setCurrentUser(eperson);
log.info(LogManager.getHeader(context, "authenticate",
"type=CAS"));
return SUCCESS;
}
// Eperson doens't exist in Dspace
else if (canSelfRegister()){
log.info(" canSelfRegister() ");
context.turnOffAuthorisationSystem();
eperson = EPerson.create(context);
// use netid only but this implies that user has to
manually update their profile
eperson.setNetid(netid);
eperson.setEmail(email);
eperson.setFirstName(firstName);
eperson.setLastName(lastName);
log.info(" EPerson Created. ");
eperson.setCanLogIn(true);
AuthenticationManager.initEPerson(context, request,
eperson);
eperson.update();
context.commit();
context.restoreAuthSystemState();
context.setCurrentUser(eperson);
log.info(" return SUCCESS ");
return SUCCESS;
}
else{
// No auto-registration for valid netid
log.warn(LogManager.getHeader(context, "authenticate",
"type=netid_but_no_record, cannot auto-register"));
log.info(" return NO_SUCH_USER ");
return NO_SUCH_USER;
}
}
}
}
}catch (Exception e){
log.error("Unexpected exception caught", e);
}
return BAD_ARGS;
}
However, in my attempts to implement this in 5.1 the call to
request.getUserPrincipal() always returns null, so I can’t proceed with the
functions to get a Map of the attributes.
Thanks in advance for any help in this matter.
Cheers,
Graham
From: Hongxing Geng [mailto:bi...@athabascau.ca]
Sent: Monday, May 04, 2015 11:35 AM
To: Graham Faulkner
Cc: dspace-tech@lists.sourceforge.net
Subject: Re: [Dspace-tech] CAS for DSpace 5.1 XMLUI (Mirage 2)
Hi Graham,
Sorry for missing your last email. I got firstName, etc information from a LDAP
server. Thus, in my dspace-api/pom.xml, the following is also included:
<dependency>
<groupId>com.novell.ldap</groupId>
<artifactId>jldap</artifactId>
<version>4.3</version>
</dependency>
And the CASAuthentication.java has:
import com.novell.ldap.LDAPAttribute;
import com.novell.ldap.LDAPConnection;
import com.novell.ldap.LDAPEntry;
import com.novell.ldap.LDAPException;
import com.novell.ldap.LDAPSearchResults;
Hope this help.
Hongxing Geng
Library Services
Athabasca University
Phone: 780-675-6589
----- "Graham Faulkner"
<graham.faulk...@uwaterloo.ca<mailto:graham.faulk...@uwaterloo.ca>> wrote:
>
>
Hi all,
Just circling back on this to see if anyone has some pointers in the right
direction on extracting firstName, lastName and email using CAS & DS 5.1
(please see details below).
Cheers,
Graham
>
From: Graham Faulkner [mailto:graham.faulk...@uwaterloo.ca]
> Sent: Tuesday, April 28, 2015 9:51 AM
> To: Hongxing Geng
> Cc:
> dspace-tech@lists.sourceforge.net<mailto:dspace-tech@lists.sourceforge.net>
> Subject: Re: [Dspace-tech] CAS for DSpace 5.1 XMLUI (Mirage 2)
Hi Hongxing,
Thanks again for your assistance. I have CAS *mostly* working now – i.e. I
authenticate users using CAS and auto-register them with a custom group at
their first login. As per the code snippets at
https://github.com/DSpace/DSpace/pull/222/files?diff=unified, I populate their
eperson account with fixed firstName and lastName values that they have to
change manually in their profile. I would like to populate these with their
real name values via the authentication process.
In our 3.1 instance we retrieve the values of firstName, lastName and email via
CAS, but my attempts in 5.1 are failing. One noticeable difference I see is
that in our 3.1 instance we have multiple <filter>/<filter-mapping> entries in
xmlui’s web.xml file. When I introduce these <filter>’s and <filter-mapping>’s
in 5.1 DSpace it shows “authentication failed” on the page, and in the DSpace
log I get an error like:
2015-04-28 08:51:12,278 INFO
org.jasig.cas.client.proxy.ProxyGrantingTicketStorageImpl @ No Proxy Ticket
found for [] .
2 2015-04-28 08:51:12,310 INFO org.dspace.app.xmlui.utils.AuthenticationUtil
@ anonymous:session_id=89D79CD05A27E0343FE
618B6E5ED66DB:ip_addr=129.97.58.43:failed_login:email=null, realm=null, result=5
What did you have in your web.xml when you implemented CAS in DSpace 5.x? It
would be great to retrieve the user’s name and email from our authentication
server when they login for the first time. Any advice is greatly appreciated.
Cheers,
Graham
>
From: Hongxing Geng [mailto:bi...@athabascau.ca]
> Sent: Thursday, April 23, 2015 11:04 AM
> To: Graham Faulkner
> Cc:
> dspace-tech@lists.sourceforge.net<mailto:dspace-tech@lists.sourceforge.net>
> Subject: Re: [Dspace-tech] CAS for DSpace 5.1 XMLUI (Mirage 2)
Have you include the following in your dspace-api/pom.xml?
<dependency>
<groupId>cas</groupId>
<artifactId>casclient</artifactId>
<version>2.1.1</version>
</dependency>
cheers!
> Hongxing Geng
> Library Services
> Athabasca University
> Phone: 780-675-6589
>
> ----- "Graham Faulkner"
> <graham.faulk...@uwaterloo.ca<mailto:graham.faulk...@uwaterloo.ca>> wrote:
> >
>
Hi Hongxing,
I tried to rebuild with the changes, and I’m getting a “package
edu.yale.its.tp.cas.client does not exist” error. Are you able to build using
that package?
Graham
>
>
From: Hongxing Geng [mailto:bi...@athabascau.ca]
> > Sent: Wednesday, April 22, 2015 3:25 PM
> > To: Graham Faulkner
> > Cc:
> > dspace-tech@lists.sourceforge.net<mailto:dspace-tech@lists.sourceforge.net>
> > Subject: Re: [Dspace-tech] CAS for DSpace 5.1 XMLUI (Mirage 2)
Hi Graham,
I was using this link for reference
https://github.com/DSpace/DSpace/pull/222/files?diff=split and successfully
implemented CAS authentication for DSpace 5.0. I believe the same code works
for DSpace 5.1 as well. Authentication does not deal with themes, so whether
the theme is Mirage 2 does not matter.
Thanks
> >
> > Hongxing Geng
> > Library Services
> > Athabasca University
> > Phone: 780-675-6589
> >
> > ----- "Graham Faulkner"
> > <graham.faulk...@uwaterloo.ca<mailto:graham.faulk...@uwaterloo.ca>> wrote:
> > >
>
Hi there,
We are trying to set up CAS authentication for a DSpace 5.1 instance running
XMLUI (Mirage 2).
I have taken some cues from this GitHub pull request
(https://github.com/DSpace/DSpace/pull/804) and from a custom CAS
implementation from our DS 3.1 instance. We have installed a certificate and
can view things via https on port 8443.
However, upon performing the CAS login and returning to the website, we
encounter this error: “HTTP Status 500 - javax.net.ssl.SSLProtocolException:
handshake alert: unrecognized_name”
Doing some Googling, it seems like this is an issue with the newer JVM, and
that we need to disable SNI, by setting this flag:
“-Djsse.enableSNIExtension=false”. (e.g.
https://wiki.jasig.org/display/CASUM/SSL+Troubleshooting+and+Reference+Guide)
I added it to JAVA_OPTS value in the /dspace-source/dspace/bin/dspace file, and
rebuilt everything. However, I’m still encountering the error when attempting
a CAS login.
Has anyone successfully got CAS working with DSpace 5.1, XMLUI (Mirage 2), or
have pointers in the right direction?
Cheers,
Graham
-----------------------------------------
Graham Faulkner
Web Developer / Programmer
Digital Initiatives, Library
University of Waterloo
Waterloo, Ontario N2L 3G1 CANADA
519-888-4567 x32461
graham.faulk...@uwaterloo.ca<mailto:graham.faulk...@uwaterloo.ca>
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