Nicola Scendoni created OAK-11984:
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Summary: Support UserId Change for External Users
Key: OAK-11984
URL: https://issues.apache.org/jira/browse/OAK-11984
Project: Jackrabbit Oak
Issue Type: Improvement
Components: auth-external
Reporter: Nicola Scendoni
In a typical setup with external users, Oak stores the *UserId* as both the
{{principalName}} and the {{authorizableId}} of the user. The internal
identifier of the user in the external Identity Provider (IdP) is stored in the
property {{rep:externalId}}, containing the IdP name as a suffix.
When a user changes his UserId in the external IdP, Oak currently attempts to
create a new user entry. However, this operation fails because another user
already exists with the same {{rep:externalId}} value.
The proposed patch addresses this issue by reusing the existing user entry in
the repository if a user with the same rep:externalId is found. This ensures
that changes to the UserId in the external IdP are properly reflected in Oak
without causing duplication or conflicts.
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