Hi,
First of all, apologies for cross-posting.
We will be upgrading the UK federation's central discovery service
("WAYF") in the near future. As a consequence of this, certain
unsupported WAYF contexts referenced in some "WAYFless" URLs will cease
to operate.
In particular, links of the form
https://wayf.ukfederation.org.uk/DS001/uk.ds?shire=https://sp.acme.com/endpoint&target=http://www.acme.com/resource&providerId=https://sp.acme.com/entity&origin=https://idp.rummidge.ac.uk/idp/shibboleth
https://wayf.ukfederation.org.uk/DS002/uk.ds?shire=https://sp.acme.com/endpoint&target=http://www.acme.com/resource&providerId=https://sp.acme.com/entity&origin=https://idp.rummidge.ac.uk/idp/shibboleth
or
https://wayf.ukfederation.org.uk/shibboleth-wayf/uk.wayf?shire=https://sp.acme.com/endpoint&target=http://www.acme.com/resource&providerId=https://sp.acme.com/entity&origin=https://idp.rummidge.ac.uk/idp/shibboleth
containing "DS001", "DS002" or "shibboleth-wayf" will no longer work.
In general, these links will have acted in some ways as if they were
WAYFless URLs - presenting the user with their own institutional login
screen, after which they're taken to the resource they wish to access -
however, the link will have been directed through the federation's
discovery service, and if that changes then the link stops working.
(We have also found examples of similar links that do not have a value
for the origin - which should have been the IdP's entityID - and users
of these links will have been taken to the federation WAYF to select
their organisation in any case)
We would be very grateful if anyone reading this who is responsible for
the curation of links from library portal pages to federated resources
could please check for the presence of links beginning with
https://wayf.ukfederation.org.uk/DS001/
https://wayf.ukfederation.org.uk/DS002/
or
https://wayf.ukfederation.org.uk/shibboleth-wayf
and then contact us on "service at ukfederation.org.uk" to arrange for a
replacement.
Regards,
Steve Glover, UK federation support.
--
Steve Glover: SDSS, EDINA, Causewayside House, 160 Causewayside EH9 1PR
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