mirror of https://github.com/home-assistant/core
137 lines
3.8 KiB
Python
137 lines
3.8 KiB
Python
"""Auth models."""
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from __future__ import annotations
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from datetime import datetime, timedelta
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import secrets
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from typing import NamedTuple
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import uuid
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import attr
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from homeassistant.const import __version__
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from homeassistant.util import dt as dt_util
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from . import permissions as perm_mdl
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from .const import GROUP_ID_ADMIN
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TOKEN_TYPE_NORMAL = "normal"
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TOKEN_TYPE_SYSTEM = "system"
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TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN = "long_lived_access_token"
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@attr.s(slots=True)
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class Group:
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"""A group."""
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name: str | None = attr.ib()
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policy: perm_mdl.PolicyType = attr.ib()
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id: str = attr.ib(factory=lambda: uuid.uuid4().hex)
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system_generated: bool = attr.ib(default=False)
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@attr.s(slots=True)
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class User:
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"""A user."""
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name: str | None = attr.ib()
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perm_lookup: perm_mdl.PermissionLookup = attr.ib(eq=False, order=False)
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id: str = attr.ib(factory=lambda: uuid.uuid4().hex)
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is_owner: bool = attr.ib(default=False)
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is_active: bool = attr.ib(default=False)
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system_generated: bool = attr.ib(default=False)
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local_only: bool = attr.ib(default=False)
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groups: list[Group] = attr.ib(factory=list, eq=False, order=False)
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# List of credentials of a user.
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credentials: list[Credentials] = attr.ib(factory=list, eq=False, order=False)
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# Tokens associated with a user.
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refresh_tokens: dict[str, RefreshToken] = attr.ib(
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factory=dict, eq=False, order=False
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)
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_permissions: perm_mdl.PolicyPermissions | None = attr.ib(
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init=False,
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eq=False,
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order=False,
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default=None,
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)
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@property
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def permissions(self) -> perm_mdl.AbstractPermissions:
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"""Return permissions object for user."""
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if self.is_owner:
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return perm_mdl.OwnerPermissions
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if self._permissions is not None:
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return self._permissions
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self._permissions = perm_mdl.PolicyPermissions(
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perm_mdl.merge_policies([group.policy for group in self.groups]),
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self.perm_lookup,
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)
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return self._permissions
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@property
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def is_admin(self) -> bool:
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"""Return if user is part of the admin group."""
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if self.is_owner:
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return True
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return self.is_active and any(gr.id == GROUP_ID_ADMIN for gr in self.groups)
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def invalidate_permission_cache(self) -> None:
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"""Invalidate permission cache."""
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self._permissions = None
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@attr.s(slots=True)
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class RefreshToken:
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"""RefreshToken for a user to grant new access tokens."""
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user: User = attr.ib()
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client_id: str | None = attr.ib()
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access_token_expiration: timedelta = attr.ib()
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client_name: str | None = attr.ib(default=None)
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client_icon: str | None = attr.ib(default=None)
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token_type: str = attr.ib(
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default=TOKEN_TYPE_NORMAL,
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validator=attr.validators.in_(
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(TOKEN_TYPE_NORMAL, TOKEN_TYPE_SYSTEM, TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN)
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),
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)
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id: str = attr.ib(factory=lambda: uuid.uuid4().hex)
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created_at: datetime = attr.ib(factory=dt_util.utcnow)
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token: str = attr.ib(factory=lambda: secrets.token_hex(64))
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jwt_key: str = attr.ib(factory=lambda: secrets.token_hex(64))
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last_used_at: datetime | None = attr.ib(default=None)
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last_used_ip: str | None = attr.ib(default=None)
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credential: Credentials | None = attr.ib(default=None)
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version: str | None = attr.ib(default=__version__)
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@attr.s(slots=True)
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class Credentials:
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"""Credentials for a user on an auth provider."""
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auth_provider_type: str = attr.ib()
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auth_provider_id: str | None = attr.ib()
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# Allow the auth provider to store data to represent their auth.
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data: dict = attr.ib()
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id: str = attr.ib(factory=lambda: uuid.uuid4().hex)
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is_new: bool = attr.ib(default=True)
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class UserMeta(NamedTuple):
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"""User metadata."""
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name: str | None
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is_active: bool
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