131 lines
5.0 KiB
Python
131 lines
5.0 KiB
Python
"""Local email/password authentication provider."""
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import logging
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from app.gateway.auth.models import User
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from app.gateway.auth.password import hash_password_async, needs_rehash, verify_password_async
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from app.gateway.auth.providers import AuthProvider
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from app.gateway.auth.repositories.base import UserRepository
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logger = logging.getLogger(__name__)
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class LocalAuthProvider(AuthProvider):
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"""Email/password authentication provider using local database."""
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def __init__(self, repository: UserRepository):
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"""Initialize with a UserRepository.
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Args:
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repository: UserRepository implementation (SQLite)
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"""
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self._repo = repository
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async def authenticate(self, credentials: dict) -> User | None:
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"""Authenticate with email and password.
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Args:
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credentials: dict with 'email' and 'password' keys
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Returns:
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User if authentication succeeds, None otherwise
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"""
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email = credentials.get("email")
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password = credentials.get("password")
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if not email or not password:
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return None
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user = await self._repo.get_user_by_email(email)
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if user is None:
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return None
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if user.password_hash is None:
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# OAuth user without local password
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return None
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if not await verify_password_async(password, user.password_hash):
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return None
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if needs_rehash(user.password_hash):
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try:
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user.password_hash = await hash_password_async(password)
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await self._repo.update_user(user)
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except Exception:
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# Rehash is an opportunistic upgrade; a transient DB error must not
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# prevent an otherwise-valid login from succeeding.
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logger.warning("Failed to rehash password for user %s; login will still succeed", user.email, exc_info=True)
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return user
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async def get_user(self, user_id: str) -> User | None:
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"""Get user by ID."""
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return await self._repo.get_user_by_id(user_id)
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async def find_user_by_email_local_part(self, local_part: str) -> User | None:
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"""Find a user whose email starts with ``local_part@`` regardless of domain.
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Used by the passwordless username-login flow to keep a single
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username mapped to the same account across legacy / canonical
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email-domain defaults.
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"""
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return await self._repo.find_user_by_email_local_part(local_part)
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async def find_users_by_email_local_part_like(self, substring: str, *, limit: int = 500) -> list[User]:
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"""Fuzzy-match users by a substring of their email local part.
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Backs the admin LLM-metrics username filter — returns every account
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whose username contains ``substring`` (case-insensitive).
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"""
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return await self._repo.find_users_by_email_local_part_like(substring, limit=limit)
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async def create_user(self, email: str, password: str | None = None, system_role: str = "user", needs_setup: bool = False, approved: bool = True) -> User:
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"""Create a new local user.
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Args:
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email: User email address
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password: Plain text password (will be hashed)
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system_role: Role to assign ("admin" or "user")
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needs_setup: If True, user must complete setup on first login
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approved: Login-whitelist 放行标记. **黑名单模式**:新账号默认 ``True``
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(从未登录过的用户首次登录即放行),管理员可在白名单管理页对个别
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用户「取消放行」(置 ``False``) 来封禁。仅当 ``login_whitelist.enabled``
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打开时 ``approved=False`` 才会被拦。
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Returns:
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Created User instance
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"""
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password_hash = await hash_password_async(password) if password else None
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user = User(
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email=email,
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password_hash=password_hash,
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system_role=system_role,
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needs_setup=needs_setup,
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approved=approved,
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)
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return await self._repo.create_user(user)
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async def get_user_by_oauth(self, provider: str, oauth_id: str) -> User | None:
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"""Get user by OAuth provider and ID."""
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return await self._repo.get_user_by_oauth(provider, oauth_id)
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async def count_users(self) -> int:
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"""Return total number of registered users."""
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return await self._repo.count_users()
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async def count_admin_users(self) -> int:
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"""Return number of admin users."""
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return await self._repo.count_admin_users()
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async def update_user(self, user: User) -> User:
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"""Update an existing user."""
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return await self._repo.update_user(user)
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async def list_users(self) -> list[User]:
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"""Return all registered users ordered by creation date."""
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return await self._repo.list_users()
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async def get_user_by_email(self, email: str) -> User | None:
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"""Get user by email."""
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return await self._repo.get_user_by_email(email)
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