Hello,
I'm setting up an instance of CAS 5.1.5 that delegates authentication to
Google. I currently have it working more or less as intended in my
development sandbox, however I've hit one issue that I have yet to work
around.
Google returns a very big integer as the user ID, so I'd like to grab the
email address from an attribute instead. However!, instead of an email
address or a list of addresses, PAC4J seems to populate the emails
attribute with an object ref. The logs show messages like the one below,
and the attribute is passed as shown in the logs to the application:
2017-10-19 13:57:00,165 INFO
[org.apereo.cas.authentication.AbstractAuthenticationManager] -
<Authenticated principal [115266970958975232474] with attributes
[{access_token=ya29.Glseeminglyrandomstringn2p6E-Mh2iNanotherverylongpieceofstringG5h9QK_DDPb01xtM8RQg,
displayName=Carlos M. Fernández,
emails=[org.pac4j.oauth.profile.google2.Google2Email@7e40686c],
gender=MALE,
image.url=https://lh6.googleusercontent.com/-IPbS/very/long/url/to/the/photo.jpg?sz=50,
language=en, name.familyName=Fernández, name.givenName=Carlos M.,
url=https://plus.google.com/+googleplusurl}] via credentials
[[org.apereo.cas.authentication.principal.ClientCredential@48ad0f08[id=115975669723242095874]]].>
It seems that this Google2Email object
<https://github.com/pac4j/pac4j/blob/master/pac4j-oauth/src/main/java/org/pac4j/oauth/profile/google2/Google2Email.java>
contains the email address that I want to retrieve, however the class
doesn't implement toString(). Is this perhaps a bug in the CAS PAC4J
support code? Could I perhaps extract it through a Groovy script in the
service definition?
TIA,
--
Carlos
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