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https://issues.apache.org/jira/browse/KNOX-3539?focusedWorklogId=1052100&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1052100
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ASF GitHub Bot logged work on KNOX-3539:
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Author: ASF GitHub Bot
Created on: 03/Nov/26 09:19
Start Date: 03/Nov/26 09:19
Worklog Time Spent: 10m
Work Description: smolnar82 commented on PR #1479:
URL: https://github.com/apache/knox/pull/1479#issuecomment-6599837463
Cc. @handavid
Issue Time Tracking
-------------------
Worklog Id: (was: 1052100)
Time Spent: 20m (was: 10m)
> Add an option to lowercase the user ID in the LDAP proxy roles-lookup
> interceptor
> ---------------------------------------------------------------------------------
>
> Key: KNOX-3539
> URL: https://issues.apache.org/jira/browse/KNOX-3539
> Project: Apache Knox
> Issue Type: Task
> Components: LDAP, Server
> Affects Versions: 3.0.0
> Reporter: Sandor Molnar
> Assignee: Sandor Molnar
> Priority: Major
> Fix For: 3.1.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The LDAP proxy's {{LDAPRolesLookupInterceptor}} builds the user ID for the
> roles lookup from the {{uid}} attribute of the entry returned by the backend
> directory. For Active Directory backends, uid holds {{sAMAccountName}}. AD
> matches this attribute case-insensitively, but the value comes back in its
> canonical case (e.g. {{Admin}}). Whatever case the client searched with
> ({{admin}}, {{ADMIN}}), the roles-lookup service receives {{Admin}}.
> If the roles backend stores and matches user IDs case-sensitively and has
> role memberships keyed on a different case (e.g. the login name as typed),
> the lookup finds nothing and the user gets no roles.
> *Proposal*: add a new gateway configuration property:
> {code}
> gateway.ldap.roles.lookup.lowercase.user.id = false (default)
> {code}
> When {{true}}, the interceptor lowercases the user ID before calling
> {{LDAPRolesLookupService.lookupRoles()}}. Combined with
> {{expression.principal.mapping = (lowercase username)}} in the
> {{identity-assertion}} provider, the asserted principal and the roles-lookup
> key are then always the same case. The default (false) keeps the current
> behavior.
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