pferd/PFERD/authenticators/simple.py
Joscha d63494908d Properly invalidate exceptions
The simple authenticator now properly invalidates its credentials. Also, the
invalidation functions have been given better names and documentation.
2021-05-15 17:37:05 +02:00

68 lines
2.1 KiB
Python

from typing import Optional, Tuple
from ..authenticator import Authenticator, AuthException, AuthSection
from ..conductor import TerminalConductor
from ..config import Config
from ..utils import agetpass, ainput
class SimpleAuthSection(AuthSection):
def username(self) -> Optional[str]:
return self.s.get("username")
def password(self) -> Optional[str]:
return self.s.get("password")
class SimpleAuthenticator(Authenticator):
def __init__(
self,
name: str,
section: SimpleAuthSection,
config: Config,
conductor: TerminalConductor,
) -> None:
super().__init__(name, section, config, conductor)
self.username = section.username()
self.password = section.password()
self.username_fixed = self.username is not None
self.password_fixed = self.password is not None
async def credentials(self) -> Tuple[str, str]:
if self.username is not None and self.password is not None:
return self.username, self.password
async with self.conductor.exclusive_output():
if self.username is None:
self.username = await ainput("Username: ")
else:
print(f"Username: {self.username}")
if self.password is None:
self.password = await agetpass("Password: ")
return self.username, self.password
def invalidate_credentials(self) -> None:
if self.username_fixed and self.password_fixed:
raise AuthException("Configured credentials are invalid")
if not self.username_fixed:
self.username = None
if not self.password_fixed:
self.password = None
def invalidate_username(self) -> None:
if self.username_fixed:
raise AuthException("Configured username is invalid")
else:
self.username = None
def invalidate_password(self) -> None:
if self.password_fixed:
raise AuthException("Configured password is invalid")
else:
self.password = None