Usage:
from aiohttp import web
from auth import init_kerberos, login_required
@login_required
async def handle(_):
text = "Hello world!"
return web.Response(text=text)
app = web.Application()
app.add_routes([web.get('/', handle)])
if __name__ == '__main__':
init_kerberos()
web.run_app(app, port=9099)