mirror of
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feat: IAM service, gateway auth middleware, capability model, and CLIs (#849)
Replaces the legacy GATEWAY_SECRET shared-token gate with an IAM-backed
identity and authorisation model. The gateway no longer has an
"allow-all" or "no auth" mode; every request is authenticated via the
IAM service, authorised against a capability model that encodes both
the operation and the workspace it targets, and rejected with a
deliberately-uninformative 401 / 403 on any failure.
IAM service (trustgraph-flow/trustgraph/iam, trustgraph-base/schema/iam)
-----------------------------------------------------------------------
* New backend service (iam-svc) owning users, workspaces, API keys,
passwords and JWT signing keys in Cassandra. Reached over the
standard pub/sub request/response pattern; gateway is the only
caller.
* Operations: bootstrap, resolve-api-key, login, get-signing-key-public,
rotate-signing-key, create/list/get/update/disable/delete/enable-user,
change-password, reset-password, create/list/get/update/disable-
workspace, create/list/revoke-api-key.
* Ed25519 JWT signing (alg=EdDSA). Key rotation writes a new kid and
retires the previous one; validation is grace-period friendly.
* Passwords: PBKDF2-HMAC-SHA-256, 600k iterations, per-user salt.
* API keys: 128-bit random, SHA-256 hashed. Plaintext returned once.
* Bootstrap is explicit: --bootstrap-mode {token,bootstrap} is a
required startup argument with no permissive default. Masked
"auth failure" errors hide whether a refused bootstrap request was
due to mode, state, or authorisation.
Gateway authentication (trustgraph-flow/trustgraph/gateway/auth.py)
-------------------------------------------------------------------
* IamAuth replaces the legacy Authenticator. Distinguishes JWTs
(three-segment dotted) from API keys by shape; verifies JWTs
locally using the cached IAM public key; resolves API keys via
IAM with a short-TTL hash-keyed cache. Every failure path
surfaces the same 401 body ("auth failure") so callers cannot
enumerate credential state.
* Public key is fetched at gateway startup with a bounded retry loop;
traffic does not begin flowing until auth has started.
Capability model (trustgraph-flow/trustgraph/gateway/capabilities.py)
---------------------------------------------------------------------
* Roles have two dimensions: a capability set and a workspace scope.
OSS ships reader / writer / admin; the first two are workspace-
assigned, admin is cross-workspace ("*"). No "cross-workspace"
pseudo-capability — workspace permission is a property of the role.
* check(identity, capability, target_workspace=None) is the single
authorisation test: some role must grant the capability *and* be
active in the target workspace.
* enforce_workspace validates a request-body workspace against the
caller's role scopes and injects the resolved value. Cross-
workspace admin is permitted by role scope, not by a bypass.
* Gateway endpoints declare a required capability explicitly — no
permissive default. Construction fails fast if omitted. Enterprise
editions can replace the role table without changing the wire
protocol.
WebSocket first-frame auth (dispatch/mux.py, endpoint/socket.py)
----------------------------------------------------------------
* /api/v1/socket handshake unconditionally accepts; authentication
runs on the first WebSocket frame ({"type":"auth","token":"..."})
with {"type":"auth-ok","workspace":"..."} / {"type":"auth-failed"}.
The socket stays open on failure so the client can re-authenticate
— browsers treat a handshake-time 401 as terminal, breaking
reconnection.
* Mux.receive rejects every non-auth frame before auth succeeds,
enforces the caller's workspace (envelope + inner payload) using
the role-scope resolver, and supports mid-session re-auth.
* Flow import/export streaming endpoints keep the legacy ?token=
handshake (URL-scoped short-lived transfers; no re-auth need).
Auth surface
------------
* POST /api/v1/auth/login — public, returns a JWT.
* POST /api/v1/auth/bootstrap — public; forwards to IAM's bootstrap
op which itself enforces mode + tables-empty.
* POST /api/v1/auth/change-password — any authenticated user.
* POST /api/v1/iam — admin-only generic forwarder for the rest of
the IAM API (per-op REST endpoints to follow in a later change).
Removed / breaking
------------------
* GATEWAY_SECRET / --api-token / default_api_token and the legacy
Authenticator.permitted contract. The gateway cannot run without
IAM.
* ?token= on /api/v1/socket.
* DispatcherManager and Mux both raise on auth=None — no silent
downgrade path.
CLI tools (trustgraph-cli)
--------------------------
tg-bootstrap-iam, tg-login, tg-create-user, tg-list-users,
tg-disable-user, tg-enable-user, tg-delete-user, tg-change-password,
tg-reset-password, tg-create-api-key, tg-list-api-keys,
tg-revoke-api-key, tg-create-workspace, tg-list-workspaces. Passwords
read via getpass; tokens / one-time secrets written to stdout with
operator context on stderr so shell composition works cleanly.
AsyncSocketClient / SocketClient updated to the first-frame auth
protocol.
Specifications
--------------
* docs/tech-specs/iam.md updated with the error policy, workspace
resolver extension point, and OSS role-scope model.
* docs/tech-specs/iam-protocol.md (new) — transport, dataclasses,
operation table, error taxonomy, bootstrap modes.
* docs/tech-specs/capabilities.md (new) — capability vocabulary, OSS
role bundles, agent-as-composition note, enforcement-boundary
policy, enterprise extensibility.
Tests
-----
* test_auth.py (rewritten) — IamAuth + JWT round-trip with real
Ed25519 keypairs + API-key cache behaviour.
* test_capabilities.py (new) — role table sanity, check across
role x workspace combinations, enforce_workspace paths,
unknown-cap / unknown-role fail-closed.
* Every endpoint test construction now names its capability
explicitly (no permissive defaults relied upon). New tests pin
the fail-closed invariants: DispatcherManager / Mux refuse
auth=None; i18n path-traversal defense is exercised.
* test_socket_graceful_shutdown rewritten against IamAuth.
This commit is contained in:
cybermaggedon
GitHub
parent
ae9936c9cc
commit
67b2fc448f
61 changed files with 6474 additions and 792 deletions
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@ -42,7 +42,7 @@ class TestDispatcherManager:
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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assert manager.backend == mock_backend
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assert manager.config_receiver == mock_config_receiver
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@ -59,7 +59,10 @@ class TestDispatcherManager:
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver, prefix="custom-prefix")
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manager = DispatcherManager(
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mock_backend, mock_config_receiver,
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auth=Mock(), prefix="custom-prefix",
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)
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assert manager.prefix == "custom-prefix"
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@ -68,7 +71,7 @@ class TestDispatcherManager:
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"""Test start_flow method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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flow_data = {"name": "test_flow", "steps": []}
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@ -82,7 +85,7 @@ class TestDispatcherManager:
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"""Test stop_flow method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Pre-populate with a flow
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flow_data = {"name": "test_flow", "steps": []}
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@ -96,7 +99,7 @@ class TestDispatcherManager:
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"""Test dispatch_global_service returns DispatcherWrapper"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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wrapper = manager.dispatch_global_service()
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@ -107,7 +110,7 @@ class TestDispatcherManager:
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"""Test dispatch_core_export returns DispatcherWrapper"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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wrapper = manager.dispatch_core_export()
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@ -118,7 +121,7 @@ class TestDispatcherManager:
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"""Test dispatch_core_import returns DispatcherWrapper"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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wrapper = manager.dispatch_core_import()
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@ -130,7 +133,7 @@ class TestDispatcherManager:
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"""Test process_core_import method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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with patch('trustgraph.gateway.dispatch.manager.CoreImport') as mock_core_import:
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mock_importer = Mock()
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@ -148,7 +151,7 @@ class TestDispatcherManager:
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"""Test process_core_export method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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with patch('trustgraph.gateway.dispatch.manager.CoreExport') as mock_core_export:
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mock_exporter = Mock()
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@ -166,7 +169,7 @@ class TestDispatcherManager:
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"""Test process_global_service method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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manager.invoke_global_service = AsyncMock(return_value="global_result")
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@ -181,7 +184,7 @@ class TestDispatcherManager:
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"""Test invoke_global_service with existing dispatcher"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Pre-populate with existing dispatcher
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mock_dispatcher = Mock()
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@ -198,7 +201,7 @@ class TestDispatcherManager:
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"""Test invoke_global_service creates new dispatcher"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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with patch('trustgraph.gateway.dispatch.manager.global_dispatchers') as mock_dispatchers:
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mock_dispatcher_class = Mock()
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@ -230,7 +233,7 @@ class TestDispatcherManager:
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"""Test dispatch_flow_import returns correct method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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result = manager.dispatch_flow_import()
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@ -240,7 +243,7 @@ class TestDispatcherManager:
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"""Test dispatch_flow_export returns correct method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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result = manager.dispatch_flow_export()
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@ -250,7 +253,7 @@ class TestDispatcherManager:
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"""Test dispatch_socket returns correct method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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result = manager.dispatch_socket()
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@ -260,7 +263,7 @@ class TestDispatcherManager:
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"""Test dispatch_flow_service returns DispatcherWrapper"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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wrapper = manager.dispatch_flow_service()
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@ -272,7 +275,7 @@ class TestDispatcherManager:
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"""Test process_flow_import with valid flow and kind"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Setup test flow
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manager.flows[("default", "test_flow")] = {
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@ -308,7 +311,7 @@ class TestDispatcherManager:
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"""Test process_flow_import with invalid flow"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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params = {"flow": "invalid_flow", "kind": "triples"}
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@ -323,7 +326,7 @@ class TestDispatcherManager:
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warnings.simplefilter("ignore", RuntimeWarning)
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Setup test flow
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manager.flows[("default", "test_flow")] = {
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@ -345,7 +348,7 @@ class TestDispatcherManager:
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"""Test process_flow_export with valid flow and kind"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Setup test flow
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manager.flows[("default", "test_flow")] = {
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@ -378,26 +381,47 @@ class TestDispatcherManager:
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@pytest.mark.asyncio
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async def test_process_socket(self):
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"""Test process_socket method"""
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"""process_socket constructs a Mux with the manager's auth
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instance passed through — this is the gateway's trust path
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for first-frame WebSocket authentication. A Mux cannot be
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built without auth (tested separately); this test pins that
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the dispatcher-manager threads the correct auth value into
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the Mux constructor call."""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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mock_auth = Mock()
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manager = DispatcherManager(
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mock_backend, mock_config_receiver, auth=mock_auth,
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)
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with patch('trustgraph.gateway.dispatch.manager.Mux') as mock_mux:
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mock_mux_instance = Mock()
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mock_mux.return_value = mock_mux_instance
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result = await manager.process_socket("ws", "running", {})
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mock_mux.assert_called_once_with(manager, "ws", "running")
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mock_mux.assert_called_once_with(
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manager, "ws", "running", auth=mock_auth,
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)
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assert result == mock_mux_instance
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def test_dispatcher_manager_requires_auth(self):
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"""Constructing a DispatcherManager without an auth argument
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must fail — a no-auth DispatcherManager would produce a
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Mux without authentication, silently downgrading the socket
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auth path."""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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with pytest.raises(ValueError, match="auth"):
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DispatcherManager(mock_backend, mock_config_receiver, auth=None)
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@pytest.mark.asyncio
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async def test_process_flow_service(self):
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"""Test process_flow_service method"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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manager.invoke_flow_service = AsyncMock(return_value="flow_result")
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@ -412,7 +436,7 @@ class TestDispatcherManager:
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"""Test invoke_flow_service with existing dispatcher"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Add flow to the flows dictionary
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manager.flows[("default", "test_flow")] = {"services": {"agent": {}}}
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@ -432,7 +456,7 @@ class TestDispatcherManager:
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"""Test invoke_flow_service creates request-response dispatcher"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Setup test flow
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manager.flows[("default", "test_flow")] = {
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@ -476,7 +500,7 @@ class TestDispatcherManager:
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"""Test invoke_flow_service creates sender dispatcher"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Setup test flow
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manager.flows[("default", "test_flow")] = {
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@ -516,7 +540,7 @@ class TestDispatcherManager:
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"""Test invoke_flow_service with invalid flow"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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with pytest.raises(RuntimeError, match="Invalid flow"):
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await manager.invoke_flow_service("data", "responder", "default", "invalid_flow", "agent")
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@ -526,7 +550,7 @@ class TestDispatcherManager:
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"""Test invoke_flow_service with kind not supported by flow"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Setup test flow without agent interface
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manager.flows[("default", "test_flow")] = {
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@ -543,7 +567,7 @@ class TestDispatcherManager:
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"""Test invoke_flow_service with invalid kind"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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# Setup test flow with interface but unsupported kind
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manager.flows[("default", "test_flow")] = {
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@ -570,7 +594,7 @@ class TestDispatcherManager:
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"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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async def slow_start():
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# Yield to the event loop so other coroutines get a chance to run,
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@ -606,7 +630,7 @@ class TestDispatcherManager:
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"""
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mock_backend = Mock()
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mock_config_receiver = Mock()
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manager = DispatcherManager(mock_backend, mock_config_receiver)
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manager = DispatcherManager(mock_backend, mock_config_receiver, auth=Mock())
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manager.flows[("default", "test_flow")] = {
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"interfaces": {
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