df340b8bba4d7161f01eff426a7085415ceb143f
2 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Joseph Doherty
|
3a6b2a1daf |
feat(acl): variable-depth scope model + the scopePaths producer (#520 stage 3)
Makes the /raw device tree addressable by an ACL rule, and builds the
scope-path producer PermissionTrieBuilder has accepted since it was written
but which had no caller anywhere.
The plan for this stage said "add NodeHierarchyKind.Raw, whose path is the
RawPath segments Folder/Driver/Device/TagGroup/Tag". That shape is wrong.
RawFolder.ParentRawFolderId and TagGroup.ParentTagGroupId are both
self-referencing, so folders and tag groups each nest without bound and a real
RawPath is folder…/Driver/Device/group…/Tag. NodeScope was fixed-arity and
PermissionTrie.CollectMatches was five hardcoded steps, so the scope model
could not address a real raw tree at all. NodeScope is now {ClusterId, Kind,
Segments} and the walk is a segment loop. The trie STRUCTURE was already
variable-depth (NodeAclPath.Segments is a list, Children is a recursive
dictionary), so only the walker and the scope record had to change.
Four decisions worth keeping:
- The namespace level became the realm. Level 1 gated on NodeScope.NamespaceId,
but v3 has no Namespace entity — the snapshot was retired when the address
space went dual-namespace, and the identifier appears nowhere in production
outside NodeScope. So the level could only ever fail to match, which silently
made every sub-cluster grant unreachable while cluster grants kept working.
It is now a realm token derived from the scope's Kind, not carried on it, so
the walk and the producer cannot disagree about its spelling.
- Provenance comes from the granting row's own ScopeKind, recorded on TrieGrant
at build time. Depth-derived provenance could not name a raw level at all,
since the depth of "Device" varies with folder nesting.
- The trie comparer moved from OrdinalIgnoreCase to Ordinal. Raw sibling-name
uniqueness is ordinal, so Speed and speed can both exist under one device and
a grant on either would have matched both.
- The null-scopePaths "deterministic test mode" is deleted. It planted
unresolvable rows at a direct child of the trie root, a position the walker
cannot reach, so the grant looked placed and could never match — and every
test using that mode proved nothing about production placement. scopePaths is
now required, and a row that does not resolve is dropped with a diagnostic.
A scope resolves to a LIST of paths: a raw tag projected into N equipments is
reachable at N+1 NodeIds and a write through any of them lands on the same
driver reference, so a Tag-scoped grant covering only the raw node would be
bypassable through a UNS one. The lookup is keyed on (ScopeKind, ScopeId), not
ScopeId alone — ScopeId has no FK and no type discriminator, so an id collision
across entity types would hand a grant the wrong node's paths.
Also closed here, all found by review rather than asked for:
- NodeAcl rows had no deploy-time validation of any kind and were not reachable
from DraftValidator at all (DraftSnapshot carried no NodeAcls). They are now
gated for dangling ids, cross-cluster scopes, blank/contradictory ScopeId, the
retired FolderSegment kind, and undefined ordinals.
- ConfigDbApiKeyStore conferred roles from Cluster-scoped grants authored in ANY
cluster, because it filtered on scope kind with no ClusterId predicate while
ArtifactApiKeyStore read an already-cluster-filtered snapshot. On a fused
admin+driver node that was a cross-cluster over-grant. Its doc comment claimed
the two stores matched.
- The two AdminUI ACL banners still said enforcement was LDAP-group -> role
mapping, which stages 1/2 made false in both directions.
- The /apikeys page was never classified in PageAuthorizationGuardTests, so that
test has been red since the key-minting commit merged — I did not run
AdminUI.Tests before merging stage 4.
Falsified rather than assumed: 8 mutations against the trie tests, 5 against the
deploy gate (including one proving a cross-cluster row is not silently
mis-diagnosed as unresolved), a staged red->green for the over-grant regression,
and the realm gate, the comparer and the malformed-path guard each broken
individually to confirm only their own tests go red.
Node ACLs are still not ENFORCED — nothing constructs a NodeScope or calls the
evaluator yet. That is stages 5 and 6; this stage makes the model able to
express what those will enforce.
Claude-Session: https://claude.ai/code/session_015p7wGqy3YpZNCpDzTpGMKo
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Joseph Doherty
|
a438ac1640 |
feat(acl): keys + ACLs reach driver-only nodes via the artifact (#520 stage 4)
A driver-only node has had no ConfigDb since per-cluster mesh Phase 4, so it registered NullOpcUaUserAuthenticator and denied every UserName token. Its keys now ride the deployment artifact instead. - ConfigComposer snapshots ApiKeys alongside the NodeAcls it already carried. Only the peppered HMAC ships, never a secret, and the pepper is node config that is deliberately not in the artifact. - DeploymentArtifact.ParseDataPlaneAuthority decodes both node-side. Grants are scoped to the node's own cluster; keys are not, because ApiKey carries no ClusterId — a key is a fleet-wide credential and the ACL rows are what bind it. - OpcUaPublishActor installs them on DataPlaneAuthorityState on every apply, BEFORE its plan.IsEmpty early-return: an artifact that only revokes a key produces an empty address-space plan, so feeding after that return would leave the revoked key working until an unrelated structural change redeployed. - ArtifactApiKeyStore serves them to session activation; a node with a ConfigDb keeps ConfigDbApiKeyStore, whose per-request read is what makes revocation immediate there. - OtOpcUaNodeManager gains DataPlaneAuthority — the cluster identity blocker #4 named. NodeScope.ClusterId is required and the evaluator fails closed on a mismatch, so until now no scope it built could have evaluated. Nothing reads it until stages 5/6. The generation is a node-local COUNTER driven by the RevisionHash, not derived from its bits. PermissionTrieCache treats the highest GenerationId as current, so a generation taken from hash bytes would install a lower number about half the time and the cache would go on serving the previous deployment's ACLs, silently. Sessions are not stamped with it yet — that belongs with the first seam that reads a UserAuthorizationState, in stage 5, rather than being built now and consulted by nothing. Live-gated on docker-dev against site-a-1 (driver-only, no ConfigDb): key authenticates, wrong secret denied, both halves of the revocation asymmetry observed, and a SITE-A grant confirmed not to reach site-b-1. Key minted with an independent Python HMAC so the verifier was checked against something other than itself. Rig left clean. Claude-Session: https://claude.ai/code/session_015p7wGqy3YpZNCpDzTpGMKo |