Files
iotDashboard/services/device_manager/main.py

77 lines
2.2 KiB
Python

import datetime
import logging
from fastapi import FastAPI, HTTPException
from cert_manager import CertificateManager
from database import get_db_context
from db_models import Device, DeviceCertificate # SQLAlchemy ORM models
from models import DeviceRegistrationRequest, DeviceRegistrationResponse # Pydantic API models
logger = logging.getLogger(__name__)
app = FastAPI()
cert_manager = CertificateManager()
@app.get("/")
async def hello():
return {"Hello": "World"}
@app.post("/devices/register")
async def register_device(
request: DeviceRegistrationRequest,
) -> DeviceRegistrationResponse:
"""
Register a new device and issue an X.509 certificate.
"""
try:
response = cert_manager.register_device(
name=request.name,
location=request.location,
)
with get_db_context() as db:
device = Device(
id=response.device_id,
name=request.name,
location=request.location,
created_at=datetime.datetime.now(datetime.UTC),
)
db.add(device)
device_cert = DeviceCertificate(
device_id=response.device_id,
certificate_pem=response.certificate_pem,
private_key_pem=response.private_key_pem,
issued_at=datetime.datetime.now(datetime.UTC),
expires_at=response.expires_at,
)
db.add(device_cert)
except Exception as e:
logger.error(
f"Failed to register device {request.name}: {str(e)}", exc_info=True
)
raise HTTPException(
status_code=500, detail="Failed to register device. Please try again."
) from e
return response
@app.get("/ca_certificate")
async def get_ca_certificate() -> str:
"""
Retrieve the CA certificate in PEM format.
"""
try:
ca_cert_pem = cert_manager.get_ca_certificate_pem()
return ca_cert_pem
except Exception as e:
logger.error(f"Failed to retrieve CA certificate: {str(e)}", exc_info=True)
raise HTTPException(
status_code=500, detail="Failed to retrieve CA certificate."
) from e