feat(authorize): add Intune compliance-gated AC issuance

AC issuance can now require device compliance via Intune.
Configurable per-accord and globally. Disabled by default
for backward compatibility. Emits DEVICE_COMPLIANCE_CHECKED
Chronicle event. Adds device_id, device_compliant, and
compliance_checked_at fields to AuthorizationContext.

Signed-off-by: Tyler King <tking@guildhouse.dev>
This commit is contained in:
Tyler J King 2026-04-14 05:24:03 -04:00
parent 871541f0eb
commit 03a99b4aff
3 changed files with 299 additions and 1 deletions

View file

@ -58,6 +58,9 @@ class AuthorizationContext(BaseModel):
identity_proof: IdentityProof
broker: dict = Field(default_factory=dict)
signature: Optional[dict] = None
device_id: Optional[str] = None
device_compliant: Optional[bool] = None
compliance_checked_at: Optional[datetime] = None
class ChronicleEvidence(BaseModel):
session_id: Optional[str] = None

View file

@ -1,6 +1,8 @@
"""POST /governance/authorize/ — GSAP §5.2"""
import logging
import secrets, uuid
from datetime import datetime, timedelta, UTC
from typing import Optional
from fastapi import APIRouter, Depends, HTTPException, Request
from sqlmodel.ext.asyncio.session import AsyncSession
from gsap_broker.db import get_session
@ -12,6 +14,15 @@ from gsap_broker.models import (
from gsap_broker.settings import settings
from gsap_broker import chronicle
logger = logging.getLogger(__name__)
# Accord templates that require device compliance.
# In production these would come from a database or config file.
_ACCORD_COMPLIANCE = {
"infrastructure-operations": {"device_compliance_required": True},
"device-management": {"device_compliance_required": True},
}
router = APIRouter()
@ -71,6 +82,56 @@ async def authorize(body: AuthorizeRequest, http_request: Request, db: AsyncSess
if not auth_result.is_authorized:
raise HTTPException(status_code=403, detail=auth_result.denial_reason)
# ── Compliance gate ──────────────────────────────────────────
device_id: Optional[str] = auth_result.device_id
device_compliant: Optional[bool] = None
compliance_checked_at: Optional[datetime] = None
if settings.intune_enabled:
accord_policy = _ACCORD_COMPLIANCE.get(request.accord_template, {})
compliance_required = accord_policy.get(
"device_compliance_required", settings.intune_compliance_required
)
if compliance_required:
if not device_id:
if settings.intune_compliance_strict:
await chronicle.emit("DEVICE_COMPLIANCE_CHECKED", {
"event_code": "0x2801",
"principal_did": auth_result.principal_did,
"accord_template": request.accord_template,
"device_id": None,
"decision": "denied",
"reason": "no_device_identity",
})
raise HTTPException(
status_code=403,
detail="Device identity required for this accord template.",
)
# Permissive mode: allow without compliance fields
logger.info("Compliance required but no device_id — permissive mode, allowing")
else:
# Check compliance via Intune connector cache/API
compliance_state = await _check_device_compliance(device_id)
compliance_checked_at = datetime.now(UTC)
device_compliant = compliance_state
await chronicle.emit("DEVICE_COMPLIANCE_CHECKED", {
"event_code": "0x2801",
"principal_did": auth_result.principal_did,
"accord_template": request.accord_template,
"device_id": device_id,
"compliant": compliance_state,
"decision": "allowed" if compliance_state else "denied",
})
if not compliance_state:
raise HTTPException(
status_code=403,
detail="Device is not compliant. AC issuance denied.",
)
# ── End compliance gate ───────────────────────────────────────
now = datetime.now(UTC)
expires = now + timedelta(minutes=settings.ac_ttl_minutes)
ctx_id = uuid.uuid4()
@ -85,7 +146,9 @@ async def authorize(body: AuthorizeRequest, http_request: Request, db: AsyncSess
accord=Accord(template=request.accord_template),
operation=Operation(playbook=request.playbook, corpus_entry_cid=request.corpus_entry_cid, parameters_cid=request.parameters_cid),
identity_proof=IdentityProof(token_jti=auth_result.token_jti, elevation_active=auth_result.elevation_active, mfa_satisfied=auth_result.mfa_satisfied),
broker={"did": settings.broker_did, "name": settings.broker_name})
broker={"did": settings.broker_did, "name": settings.broker_name},
device_id=device_id, device_compliant=device_compliant,
compliance_checked_at=compliance_checked_at)
ac_db = AuthorizationContextDB(
context_id=ctx_id, principal_did=principal_did, driver_id=request.driver_id,
@ -108,3 +171,25 @@ async def authorize_poll(poll_token: str, db: AsyncSession = Depends(get_session
ac_db = result.first()
if not ac_db: raise HTTPException(status_code=404, detail="Not found.")
return AuthorizeResponse(status=ac_db.status, poll_token=poll_token)
async def _check_device_compliance(device_id: str) -> bool:
"""Check device compliance via the Intune connector cache or Graph API.
Returns True if compliant, False otherwise.
"""
try:
from gsap_broker.routers.connectors import _registry
intune = _registry.get("intune")
if intune is None:
logger.warning("Intune connector not registered — defaulting to compliant")
return True
from gsap_broker.connectors.base import ConnectorContext
ctx = ConnectorContext(gsap_context_id="compliance-gate")
result = await intune.invoke("get_compliance", {"device_id": device_id}, ctx)
if result.success and result.data:
return result.data.get("compliant", False)
return False
except Exception as e:
logger.error("Compliance check failed: %s", e)
return False

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@ -0,0 +1,210 @@
# Copyright 2026 Guildhouse Dev
# SPDX-License-Identifier: Apache-2.0
"""Tests for compliance-gated AC issuance."""
import pytest
from unittest.mock import AsyncMock, patch, MagicMock
from httpx import AsyncClient, ASGITransport
from sqlmodel import SQLModel
from sqlalchemy.ext.asyncio import create_async_engine
from gsap_broker.app import app
from gsap_broker import db as db_module
from gsap_broker.drivers.base import AuthResult
@pytest.fixture(autouse=True)
async def test_db():
engine = create_async_engine("sqlite+aiosqlite:///./test_compliance.db")
db_module.engine = engine
async with engine.begin() as conn:
await conn.run_sync(SQLModel.metadata.create_all)
yield
async with engine.begin() as conn:
await conn.run_sync(SQLModel.metadata.drop_all)
@pytest.fixture
async def client():
async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as c:
yield c
def _mock_auth_result(device_id=None):
"""Return a mock auth result with optional device_id."""
return AuthResult(
status=AuthResult.STATUS_AUTHORIZED,
principal_did="did:web:test/p/alice",
display_name="Alice",
token_jti="jti-test",
mfa_satisfied=True,
device_id=device_id,
)
def _authorize_body(accord_template="test-ops"):
return {
"playbook": "test",
"corpus_entry_cid": "sha256:" + "a" * 64,
"parameters_cid": "sha256:" + "b" * 64,
"accord_template": accord_template,
"driver_id": "keycloak",
}
# ── TEST 13: Compliance disabled by default ───────────────────
@pytest.mark.asyncio
async def test_compliance_disabled_by_default(client, mocker):
"""With default settings (intune_enabled=False), no compliance check runs."""
mocker.patch(
"gsap_broker.drivers.keycloak.KeycloakDriver.authenticate",
return_value=_mock_auth_result(),
)
resp = await client.post("/governance/authorize/", json=_authorize_body())
assert resp.status_code == 200
ac = resp.json()["authorization_context"]
assert ac["device_id"] is None
assert ac["device_compliant"] is None
# ── TEST 9: Compliant device → AC issued ──────────────────────
@pytest.mark.asyncio
async def test_compliance_required_compliant_device(client, mocker):
"""Compliance required + compliant device → AC issued with device metadata."""
mocker.patch(
"gsap_broker.drivers.keycloak.KeycloakDriver.authenticate",
return_value=_mock_auth_result(device_id="dev-123"),
)
mocker.patch("gsap_broker.routers.authorize.settings.intune_enabled", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_required", True)
mocker.patch(
"gsap_broker.routers.authorize._check_device_compliance",
new_callable=AsyncMock,
return_value=True,
)
resp = await client.post("/governance/authorize/", json=_authorize_body())
assert resp.status_code == 200
ac = resp.json()["authorization_context"]
assert ac["device_id"] == "dev-123"
assert ac["device_compliant"] is True
assert ac["compliance_checked_at"] is not None
# ── TEST 10: Non-compliant device → 403 ──────────────────────
@pytest.mark.asyncio
async def test_compliance_required_noncompliant_device(client, mocker):
"""Compliance required + non-compliant device → 403."""
mocker.patch(
"gsap_broker.drivers.keycloak.KeycloakDriver.authenticate",
return_value=_mock_auth_result(device_id="dev-bad"),
)
mocker.patch("gsap_broker.routers.authorize.settings.intune_enabled", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_required", True)
mocker.patch(
"gsap_broker.routers.authorize._check_device_compliance",
new_callable=AsyncMock,
return_value=False,
)
resp = await client.post("/governance/authorize/", json=_authorize_body())
assert resp.status_code == 403
assert "not compliant" in resp.json()["detail"].lower()
# ── TEST 11: No device_id + strict mode → 403 ────────────────
@pytest.mark.asyncio
async def test_compliance_strict_no_device_id(client, mocker):
"""Strict mode + no device_id → 403."""
mocker.patch(
"gsap_broker.drivers.keycloak.KeycloakDriver.authenticate",
return_value=_mock_auth_result(device_id=None),
)
mocker.patch("gsap_broker.routers.authorize.settings.intune_enabled", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_required", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_strict", True)
resp = await client.post("/governance/authorize/", json=_authorize_body())
assert resp.status_code == 403
assert "device identity required" in resp.json()["detail"].lower()
# ── TEST 12: No device_id + permissive mode → AC issued ──────
@pytest.mark.asyncio
async def test_compliance_permissive_no_device_id(client, mocker):
"""Permissive mode + no device_id → AC issued without compliance fields."""
mocker.patch(
"gsap_broker.drivers.keycloak.KeycloakDriver.authenticate",
return_value=_mock_auth_result(device_id=None),
)
mocker.patch("gsap_broker.routers.authorize.settings.intune_enabled", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_required", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_strict", False)
resp = await client.post("/governance/authorize/", json=_authorize_body())
assert resp.status_code == 200
ac = resp.json()["authorization_context"]
assert ac["device_compliant"] is None
# ── TEST: Per-accord compliance override ──────────────────────
@pytest.mark.asyncio
async def test_per_accord_compliance_override(client, mocker):
"""Accord template 'infrastructure-operations' requires compliance even when global default is False."""
mocker.patch(
"gsap_broker.drivers.keycloak.KeycloakDriver.authenticate",
return_value=_mock_auth_result(device_id="dev-infra"),
)
mocker.patch("gsap_broker.routers.authorize.settings.intune_enabled", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_required", False)
mocker.patch(
"gsap_broker.routers.authorize._check_device_compliance",
new_callable=AsyncMock,
return_value=True,
)
resp = await client.post(
"/governance/authorize/",
json=_authorize_body(accord_template="infrastructure-operations"),
)
assert resp.status_code == 200
ac = resp.json()["authorization_context"]
assert ac["device_compliant"] is True
# ── TEST 14: Chronicle event emitted ─────────────────────────
@pytest.mark.asyncio
async def test_chronicle_event_on_compliance_check(client, mocker):
"""Compliance check emits DEVICE_COMPLIANCE_CHECKED Chronicle event."""
mocker.patch(
"gsap_broker.drivers.keycloak.KeycloakDriver.authenticate",
return_value=_mock_auth_result(device_id="dev-chron"),
)
mocker.patch("gsap_broker.routers.authorize.settings.intune_enabled", True)
mocker.patch("gsap_broker.routers.authorize.settings.intune_compliance_required", True)
mocker.patch(
"gsap_broker.routers.authorize._check_device_compliance",
new_callable=AsyncMock,
return_value=True,
)
chronicle_mock = mocker.patch("gsap_broker.routers.authorize.chronicle.emit", new_callable=AsyncMock, return_value="")
resp = await client.post("/governance/authorize/", json=_authorize_body())
assert resp.status_code == 200
# Find the DEVICE_COMPLIANCE_CHECKED call
compliance_calls = [
call for call in chronicle_mock.call_args_list
if call.args[0] == "DEVICE_COMPLIANCE_CHECKED"
]
assert len(compliance_calls) == 1
event_data = compliance_calls[0].args[1]
assert event_data["device_id"] == "dev-chron"
assert event_data["decision"] == "allowed"