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from asyncua.server.users import User, UserRole
from asyncua.crypto.certificate_handler import CertificateHandler
class UserManager:
def get_user(self, iserver, username=None, password=None, certificate=None):
raise NotImplementedError
class PermissiveUserManager:
"""
Default user_manager, does nothing much but check for admin
if username and iserver.allow_remote_admin and username in ("admin", "Admin"):
return User(role=UserRole.Admin)
else:
return User(role=UserRole.User)
class CertificateUserManager:
Certificate user manager, takes a certificate handler with its associated users and provides those users.
def __init__(self, certificate_handler: CertificateHandler):
self.certificate_handler = certificate_handler
if certificate is None:
return None
return self.certificate_handler.get_user(certificate)
FreeOpcUa /
opcua-asyncio
