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docs(archreview): flesh out TST-15 dashboard per-session ACL design

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Add docs/plans/2026-07-10-dashboard-session-acl-tst15.md: the fleshed-out
Phase-4 design for the deferred TST-15 finding. Resolves the crux the deferral
left open — the dashboard authenticates LDAP users (Admin/Viewer) while sessions
are API-key-owned (OwnerKeyId), two disjoint identity domains — via a session tag
sourced from the owning API key (carried in the existing ApiKeyConstraints JSON
blob, no SQLite migration). Admin-sees-all; a Viewer may SubscribeSession iff
session.Tags intersects the Viewer's granted tags (new Dashboard:GroupToTag map
-> hub-token tag claims); untagged sessions Admin-only by default. Includes the
enforcement path, task breakdown (epic Tasks 16-19), test plan incl. live-LDAP,
and rejected alternatives.

Design only — TST-15 stays Not started (no implementation). The tracker and the
60-testing-docs-gaps TST-15 section point at the design doc; the change-log also
records the TST-03 finding (zero registered runners; needs a runner co-located on
the gitea Docker network).

Claude-Session: https://claude.ai/code/session_01DMXXvNuPekkkrTEyPNxEkW
This commit is contained in:
Joseph Doherty
2026-07-10 03:25:26 -04:00
parent 2201fd8828
commit dca09e7e06
3 changed files with 299 additions and 1 deletions
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archreview/remediation/60-testing-docs-gaps.md
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@@ -327,7 +327,7 @@ If TST-02's interim mitigation (flip retention off) is chosen instead of impleme
**Impact.** Acceptable for a single-tenant dashboard; wrong the moment `GroupToRole` admits low-trust viewers. It is the dashboard-side twin of the gRPC owner-revalidation gap (TST-02).
**Design.** Covered by epic Phase 4 (Tasks 16–19, TST-04). Introduce a role/scope that scopes a hub connection to permitted sessions, plus a hub-token session tag (Task 18). The open design decision (`oldtasks.md:52`) — Viewer default of admin-sees-all vs strict per-session — must be settled first. Recommendation: admin-sees-all, Viewer strictly scoped to sessions they own/are granted, matching TST-02's gRPC owner binding for consistency. Until Phase 4 lands, keep the TODO (it correctly documents the accepted single-tenant assumption); do not silently remove it.
**Design.** Fully fleshed out in `docs/plans/2026-07-10-dashboard-session-acl-tst15.md` (epic Phase 4, Tasks 16–19, TST-04). In brief: the dashboard authenticates LDAP users (Admin/Viewer) while sessions are API-key-owned (`OwnerKeyId`) — two disjoint identity domains — so the ACL needs a bridge: a **session tag** sourced from the owning API key (riding in the existing `ApiKeyConstraints` JSON blob, no SQLite migration). Admin sees all; a Viewer may `SubscribeSession` iff `session.Tags ∩ viewer.GrantedTags ≠ ∅` (granted via a new `Dashboard:GroupToTag` map, carried into the hub token as tag claims); untagged sessions are Admin-only by default. The Viewer-default decision (admin-sees-all vs strict) is settled there. Until Phase 4 lands, keep the TODO (it correctly documents the accepted single-tenant assumption); do not silently remove it.
**Implementation.** `Dashboard/Hubs/EventsHub.cs` (ACL check on group join), hub-token minting to carry the session tag, `Configuration/DashboardOptions.cs` for any group-to-tag config (Task 17). Tests: `...Tests/Gateway/Dashboard/` hub ACL cases incl. live-LDAP users (Task 19). Docs: `docs/Sessions.md`/`gateway.md` dashboard section document the ACL model; CLAUDE.md dashboard-auth paragraph.