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      request #44855 OIDC connection failed because of too long username
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    #44855
    Aurélien Tisné (atisne)
    2025-10-01 10:37
    2025-09-19 19:23
    46580
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    OIDC connection failed because of too long username

    When connecting using OpenIDConnect, we can received long user name from the remote user repository. For instance, some organizations used to prefix subcontractors' names by the name of their companies.

    So, the name may exceed the unix max limitation of 30 characters.

    We propose that the class UserNameNormalizer ensures that the name don't exceed this limit to avoid a connection failure.

    OAuth2 / OpenID Connect server
    16.11
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    • [ ] enhancement
    • [ ] internal improvement
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    Referenced by request #44855

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    gerrit #35670
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    Aurélien Tisné (atisne)2025-10-01 10:37

    I'm not sure the proposed fix is done at the right place. In this location, we should think that the fix is partial. It fixes the use case of this ticket but not all the cases. Maybe, it should rather be done in the openidconnectclient plugin (plugins/openidconnectclient/include/OpenIDConnectClient/Login/Registration/UsernameGenerator.php).

    What's your opinion?