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https://issues.apache.org/jira/browse/OAK-3876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Klimetschek resolved OAK-3876.
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Resolution: Invalid
Turns out there is no problem in the ExternalLoginModule.
Problem I had was in my Sling AuthenticationHandler: when the user id is not
know you have to not set a userId in the AuthenticationInfo and then pass the
jcr Credentials object manually in the "user.jcr.credentials" attribute:
{code}
// ExternalLoginModule currently requires SimpleCredentials, but ideally, if
the user id
// is unkwnown and the password is not used, a special Credentials class makes
more sense
SimpleCredentials credentials = new SimpleCredentials(null, new char[0]);
credentials.setAttribute("my-attribute", "....");
AuthenticationInfo authInfo = new
AuthenticationInfo(AuthConstants.ACCESS_TOKEN);
authInfo.put("user.jcr.credentials", credentials);
{code}
> ExternalLoginModule ignores authorizable ID returned from IDP
> -------------------------------------------------------------
>
> Key: OAK-3876
> URL: https://issues.apache.org/jira/browse/OAK-3876
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: auth-external
> Affects Versions: 1.2.9, 1.3.13
> Reporter: Alexander Klimetschek
>
> In the ExternalLoginModule, the user = authorizable id for the subject after
> successful authentication will be solely based on the userId of the passed in
> SimpleCredentials, as the [original credentials are set as
> SHARED_KEY_CREDENTIALS|https://github.com/apache/jackrabbit-oak/blob/cc78f6fdd122d1c9f200b43fc2b9536518ea996b/oak-auth-external/src/main/java/org/apache/jackrabbit/oak/spi/security/authentication/external/impl/ExternalLoginModule.java#L230].
> However, with an external identity provider it can be the case that the
> credentials do not contain the actual local user id and only the identity
> provider would do the mapping in its authentication logic and return the
> right local user id via ExternalUser.getId().
> An example might be an opaque token string used as credential, which the
> external IDP validates by calling the external entity, and receiving user
> data that allows to map to the local user id.
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