81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
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from abc import ABC, abstractmethod
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import json
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import logging
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logger = logging.getLogger(__name__)
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class PasswordException(Exception):
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pass
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class Password(ABC):
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@staticmethod
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def from_dict(d: dict):
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if "encoding" not in d:
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raise PasswordException("password encoding not set")
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if d["encoding"] == "string":
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return CleartextPassword(d)
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raise PasswordException("invalid passord encoding: {0}".format(d["type"]))
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def __init__(self, pwinfo: dict):
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self.pwinfo = pwinfo
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@abstractmethod
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def is_valid(self, inp: str):
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pass
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class CleartextPassword(Password):
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def is_valid(self, inp: str):
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return self.pwinfo['value'] == inp
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class User(object):
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def __init__(self, name: str, enabled: bool, password: Password):
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self.name = name
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self.enabled = enabled
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self.password = password
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class UserList(object):
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sharedInstance = None
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@staticmethod
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def getSharedInstance():
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if UserList.sharedInstance is None:
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UserList.sharedInstance = UserList()
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return UserList.sharedInstance
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def __init__(self):
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self.users = self._loadUsers()
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def _loadUsers(self):
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for file in ["/etc/openwebrx/users.json", "users.json"]:
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try:
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f = open(file, "r")
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users_json = json.load(f)
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f.close()
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return {u.name: u for u in [self.buildUser(d) for d in users_json]}
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except FileNotFoundError:
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pass
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except json.JSONDecodeError:
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logger.exception("error while parsing users file %s", file)
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return {}
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except Exception:
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logger.exception("error while processing users from %s", file)
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return {}
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return {}
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def buildUser(self, d):
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if "user" in d and "password" in d and "enabled" in d:
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return User(d["user"], d["enabled"], Password.from_dict(d["password"]))
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def __getitem__(self, item):
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return self.users[item]
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def __contains__(self, item):
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return item in self.users
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