Reference implementation of GCAP-SPEC-SHELLBOUND-BROKER-0001
in FastAPI. Designed for ISVs and enterprises implementing
the governed shell authorization protocol.
Architecture:
FastAPI + SQLModel + Pydantic + async SQLite
Single container deployment: Dockerfile included
OpenAPI schema at /docs is the machine-readable GSAP contract
Broker Interface (§5):
POST /governance/authorize/ — Issue AC
GET /governance/authorize/{p}/ — Poll elevation
POST /governance/complete/ — Receive CR
GET /governance/session/{id}/ — View chain of custody
POST /governance/elevate/ — JIT elevation
GET /governance/drivers/ — List drivers
Identity Driver Interface (§2.2):
IdentityDriver — abstract base (ISV extension point)
KeycloakDriver — Keycloak implementation
DriverRegistry — driver lookup and registration
Chronicle integration (§1.4):
Optional CloudEvents emission via CHRONICLE_WEBHOOK_URL
Forgejo push event format for receiver compatibility
Models:
Pydantic schemas for AC, CR, Principal, Accord, Operation
SQLModel DB models for persistence
Tests: 6 async tests including full AC→CR cycle
695 lines across 27 files.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
39 lines
2 KiB
Python
39 lines
2 KiB
Python
"""POST /governance/complete/ — GSAP §5.4"""
|
|
import uuid
|
|
from datetime import datetime, UTC
|
|
from fastapi import APIRouter, Depends, HTTPException
|
|
from sqlmodel.ext.asyncio.session import AsyncSession
|
|
from sqlmodel import select
|
|
from gsap_broker.db import get_session
|
|
from gsap_broker.db_models import AuthorizationContextDB, CompletionReceiptDB
|
|
from gsap_broker.models import CompleteRequest, CompleteResponse
|
|
from gsap_broker import chronicle
|
|
|
|
router = APIRouter()
|
|
|
|
@router.post("/complete/", response_model=CompleteResponse, summary="Receive CR (GSAP §5.4)")
|
|
async def complete(request: CompleteRequest, db: AsyncSession = Depends(get_session)):
|
|
result = await db.exec(select(AuthorizationContextDB).where(
|
|
AuthorizationContextDB.context_id == request.context_id,
|
|
AuthorizationContextDB.status == "authorized"))
|
|
ac_db = result.first()
|
|
if not ac_db: raise HTTPException(status_code=404, detail="AC not found or already consumed.")
|
|
|
|
sig_verified = bool((request.signature or {}).get("value"))
|
|
cr_db = CompletionReceiptDB(
|
|
id=uuid.uuid4(), context_id=request.context_id, outcome=request.outcome.value,
|
|
completed_at=request.completed_at, failure_reason=request.failure_reason or "",
|
|
chronicle_session_id=request.chronicle_session_id or "",
|
|
chronicle_events=request.chronicle_evidence.events,
|
|
merkle_root=request.chronicle_evidence.merkle_root or "",
|
|
behavioral_attestation_status=request.behavioral_attestation.status.value,
|
|
ffc_did=request.ffc.get("did", ""), ffc_signature=(request.signature or {}).get("value", ""),
|
|
signature_verified=sig_verified)
|
|
db.add(cr_db)
|
|
ac_db.status = "consumed"; ac_db.consumed_at = datetime.now(UTC)
|
|
|
|
cid = await chronicle.emit("GSAP_CR_RECEIVED", {"event_code": "0x2706", "context_id": str(request.context_id), "outcome": request.outcome.value})
|
|
cr_db.chronicle_event_cid = cid
|
|
await db.commit()
|
|
|
|
return CompleteResponse(receipt_id=cr_db.id, signature_verified=sig_verified, chronicle_event_cid=cid or None)
|