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https://issues.apache.org/jira/browse/SOLR-18322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18099510#comment-18099510
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Eric Pugh commented on SOLR-18322:
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Feel free to tag me on any PR's you open!
> JWTAuthPlugin Admin UI login requests undocumented hardcoded solr scope
> -----------------------------------------------------------------------
>
> Key: SOLR-18322
> URL: https://issues.apache.org/jira/browse/SOLR-18322
> Project: Solr
> Issue Type: Bug
> Components: Authentication
> Affects Versions: 10.0
> Reporter: Philipp Trulson
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> With {{JWTAuthPlugin}} (directly or via {{{}MultiAuthPlugin{}}}) configured
> with only {{wellKnownUrl}} + {{clientId}} and no
> {{{}scope{}}}/{{{}adminUiScope{}}}, the Admin UI login redirects to the IdP
> with {{{}scope=openid solr{}}}. The {{solr}} value is a hardcoded fallback:
> {{//
> [JWTAuthPlugin.java|https://github.com/apache/solr/blob/main/solr/modules/jwt-auth/src/java/org/apache/solr/security/jwt/JWTAuthPlugin.java#L252-L256]}}
> {{if (adminUiScope == null) {}}
> {{ adminUiScope = "solr";}}
> {{ log.info("No adminUiScope provided, fallback to 'solr' as required scope
> for Admin UI login may not work");}}
> {{}}}
> and {{login.js}} builds {{{}"scope": "openid " + adminUiScope{}}}.
> Of course by default OIDC providers (in this case Keycloak) have no {{solr}}
> scope, so the authorize request fails with {{invalid_scope}} ("Invalid
> scopes: openid solr"). Login is impossible until one discovers they must set
> {{adminUiScope}} to a pre-existing scope such as {{{}profile{}}}.
> In my eyes the main issue are the docs here citing
> {quote}adminUiScope: Define what scope is requested when logging in from
> Admin UI
> Default: If not defined, the first scope from scope parameter is used
> scope: Whitespace separated list of valid scopes. If configured, the JWT
> access token MUST contain a scope claim with at least one of the listed
> scopes. Example: solr:read solr:admin
> Default: _null or "" (not clear because the cell is just empty)_
> {quote}
> So I'd suggest either adding more info to the documentation or setting a more
> sane default that works out-of-the-box with most OIDC providers.
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