mteehan
6f728cf853
- Raise ValueError on missing request body in auth_logout - Add username check in verify_authentication to prevent credential reuse - Replace N+1 queries in list_users with single JOIN query
588 lines
16 KiB
Python
588 lines
16 KiB
Python
"""Authentication daemon handlers.
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Handles login, logout, token refresh, session management, password change,
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user CRUD, and WebAuthn operations.
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"""
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from __future__ import annotations
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import logging
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from typing import Any
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from daemon.iface import (
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DELETE_AUTH_USER,
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DELETE_AUTH_WEBAUTHN_CREDENTIAL,
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GET_AUTH_SESSION,
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GET_AUTH_USERS,
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GET_AUTH_WEBAUTHN_CAPABLE,
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GET_AUTH_WEBAUTHN_CREDENTIAL_COUNTS,
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GET_AUTH_WEBAUTHN_CREDENTIALS,
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POST_AUTH_LOGIN,
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POST_AUTH_LOGOUT,
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POST_AUTH_PASSWORD,
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POST_AUTH_REFRESH,
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POST_AUTH_USER_CREATE,
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POST_AUTH_USER_UPDATE,
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POST_AUTH_WEBAUTHN_AUTHENTICATE_BEGIN,
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POST_AUTH_WEBAUTHN_AUTHENTICATE_FINISH,
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POST_AUTH_WEBAUTHN_REGISTER_BEGIN,
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POST_AUTH_WEBAUTHN_REGISTER_FINISH,
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)
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from daemon.server import ConflictError, NotFoundError, registry
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from lib.auth import (
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blacklist_active_refresh_token,
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blacklist_token,
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check_login_rate,
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check_webauthn_rate,
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clear_active_refresh_token,
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generate_tokens,
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get_access_ttl,
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record_login_failure,
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record_login_success,
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validate_token,
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)
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from lib.auth_users import (
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ALL_SUBSYSTEMS,
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create_user,
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delete_user,
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get_user,
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list_users,
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update_password,
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update_permissions,
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verify_user_password,
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)
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from lib.webauthn import (
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create_authentication_options,
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create_registration_options,
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get_management_domains,
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get_rp_name,
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list_credentials,
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remove_credential,
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verify_authentication,
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verify_registration,
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)
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from lib.webauthn import (
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is_enabled as webauthn_is_enabled,
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)
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logger = logging.getLogger(__name__)
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_ALL_RW = {sub: "rw" for sub in ALL_SUBSYSTEMS}
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def _clear_refresh_token_after_rotation(username: str) -> None:
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"""Remove the user's entry from refresh_tokens after a successful refresh rotation."""
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clear_active_refresh_token(username)
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@registry.register(POST_AUTH_LOGIN)
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def auth_login(_request: Any, body: Any) -> dict[str, Any]:
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"""Handle user login.
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Args:
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_request: Unused.
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body: Dict with ``username`` and ``password``.
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Returns:
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Dict with ``tokens``, ``user``, and ``permissions``.
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Raises:
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ValueError: If credentials are invalid.
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"""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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username = body.get("username")
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password = body.get("password")
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if not username or not password:
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raise ValueError("username and password are required")
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client_ip = body.get("client_ip")
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if not check_login_rate(username, client_ip):
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raise ValueError("Too many login attempts. Please try again later.")
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user = verify_user_password(username, password)
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if user is None:
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record_login_failure(username, client_ip)
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raise ValueError("Invalid credentials")
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record_login_success(username, client_ip)
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permissions = user["permissions"]
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tokens = generate_tokens(username, permissions)
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return {
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"tokens": tokens,
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"access_ttl": get_access_ttl(),
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"user": {
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"id": user["id"],
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"username": user["username"],
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},
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"permissions": permissions,
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}
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@registry.register(POST_AUTH_LOGOUT)
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def auth_logout(request: Any, body: Any) -> dict[str, Any]:
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"""Handle user logout by blacklisting the access and refresh tokens.
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Args:
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request: The aiohttp request.
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body: Dict with ``jti``, ``username`` from Flask user context, and
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``refresh_token`` from the client.
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Returns:
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Success response.
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"""
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if not body:
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raise ValueError("Request body is required")
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jti = body.get("jti")
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if jti:
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blacklist_token(jti)
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username = body.get("username")
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if username:
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blacklist_active_refresh_token(username)
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return {}
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@registry.register(POST_AUTH_REFRESH)
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def auth_refresh(_request: Any, body: Any) -> dict[str, Any]:
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"""Handle token refresh.
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Validates the refresh token, blacklists it, and issues a new access token.
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Args:
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_request: Unused.
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body: Dict with ``refresh_token``.
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Returns:
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Dict with new access token, refresh token, user, and permissions.
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Raises:
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ValueError: If refresh token is invalid.
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"""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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refresh_token = body.get("refresh_token")
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if not refresh_token:
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raise ValueError("refresh_token is required")
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payload = validate_token(refresh_token, token_type="refresh")
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if payload is None:
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raise ValueError("Invalid or expired refresh token")
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username = payload["sub"]
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user = get_user(username)
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if user is None:
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raise ValueError("User not found")
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jti = payload.get("jti")
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if jti:
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blacklist_token(jti, token_type="refresh")
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if username:
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_clear_refresh_token_after_rotation(username)
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permissions = user["permissions"]
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tokens = generate_tokens(username, permissions)
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return {
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"tokens": tokens,
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"access_ttl": get_access_ttl(),
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"user": {
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"id": user["id"],
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"username": user["username"],
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},
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"permissions": permissions,
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}
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@registry.register(GET_AUTH_SESSION)
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def auth_session(request: Any, body: Any) -> dict[str, Any]:
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"""Return current user session info.
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Args:
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request: The aiohttp request.
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body: Dict with ``username`` from Flask user context.
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Returns:
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Dict with user info and permissions.
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"""
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username = body.get("username") if body else None
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if username is None:
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raise ValueError("No active session")
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user = get_user(username)
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if user is None:
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raise ValueError("User not found")
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return {
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"user": {
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"id": user["id"],
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"username": user["username"],
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},
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"permissions": user["permissions"],
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}
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@registry.register(POST_AUTH_PASSWORD)
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def auth_change_password(_request: Any, body: Any) -> dict[str, Any]:
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"""Change user password.
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Args:
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_request: Unused.
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body: Dict with ``username``, ``oldPassword``, ``newPassword``.
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Returns:
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Success response.
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Raises:
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ValueError: If password change fails.
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"""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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username = body.get("username")
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old_password = body.get("oldPassword")
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new_password = body.get("newPassword")
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if not username or not old_password or not new_password:
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raise ValueError("username, oldPassword, and newPassword are required")
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if len(new_password) < 8:
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raise ValueError("New password must be at least 8 characters")
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update_password(username, old_password, new_password)
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logger.info("Password changed for user %r", username)
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return {"ok": True}
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@registry.register(GET_AUTH_USERS)
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def auth_list_users(_request: Any, body: Any) -> list[dict[str, Any]]:
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"""List all users.
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Args:
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_request: Unused.
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body: Unused.
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Returns:
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List of user summary dicts.
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"""
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return list_users()
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@registry.register(POST_AUTH_USER_CREATE)
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def auth_create_user(_request: Any, body: Any) -> dict[str, Any]:
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"""Create a new user.
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Args:
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_request: Unused.
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body: Dict with ``username``, ``password``, ``permissions``.
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Returns:
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Created user dict.
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Raises:
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ConflictError: If user already exists.
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"""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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username = body.get("username")
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password = body.get("password")
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permissions = body.get("permissions", {})
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if not username or not password:
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raise ValueError("username and password are required")
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if len(password) < 8:
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raise ValueError("Password must be at least 8 characters")
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try:
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user = create_user(username, password, permissions)
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return {
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"id": user["id"],
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"username": user["username"],
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"permissions": user["permissions"],
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}
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except ValueError as e:
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raise ConflictError(str(e)) from e
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@registry.register(POST_AUTH_USER_UPDATE)
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def auth_update_user(_request: Any, body: Any) -> dict[str, Any]:
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"""Update a user's permissions.
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Args:
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_request: Unused.
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body: Dict with optional ``permissions``, ``password`` keys.
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Path param ``username`` is merged into body by the daemon.
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Returns:
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Updated user dict.
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Raises:
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NotFoundError: If user not found.
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"""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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username = body.get("username")
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if not username:
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raise ValueError("username is required")
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existing = get_user(username)
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if existing is None:
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raise NotFoundError(f"User {username!r} not found")
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if "permissions" in body:
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update_permissions(username, body["permissions"])
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user = get_user(username)
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if user is None:
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raise NotFoundError(f"User {username!r} not found")
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return {
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"id": user["id"],
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"username": user["username"],
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"permissions": user["permissions"],
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}
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@registry.register(DELETE_AUTH_USER)
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def auth_delete_user(_request: Any, body: Any) -> dict[str, Any]:
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"""Delete a user.
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Self-deletion is blocked by Flask middleware (auth blueprint).
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Args:
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_request: Unused.
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body: Path param ``username`` merged by the daemon.
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Returns:
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Success response.
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Raises:
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NotFoundError: If user not found.
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"""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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username = body.get("username")
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if not username:
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raise ValueError("username is required")
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try:
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delete_user(username)
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logger.info("User %r deleted", username)
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return {"ok": True}
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except ValueError as e:
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if "not found" in str(e):
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raise NotFoundError(str(e)) from e
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raise
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# ---------------------------------------------------------------------------
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# WebAuthn handlers
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# ---------------------------------------------------------------------------
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def _check_webauthn_domain(body: Any) -> tuple[str, str]:
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"""Validate that the request domain is eligible for WebAuthn.
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Returns (origin, rp_id) if valid. Raises ValueError otherwise.
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"""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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if not webauthn_is_enabled():
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raise ValueError("WebAuthn is disabled")
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rp_id = body.get("webauthn_rp_id")
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origin = body.get("webauthn_origin")
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if not rp_id or not origin:
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raise ValueError("Missing WebAuthn domain configuration")
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if rp_id not in get_management_domains():
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raise ValueError("WebAuthn is not available on this domain")
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return origin, rp_id
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@registry.register(GET_AUTH_WEBAUTHN_CAPABLE)
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def webauthn_capable(_request: Any, body: Any) -> dict[str, Any]:
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"""Check if WebAuthn is available for the current request domain."""
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rp_id = body.get("webauthn_rp_id") if body else None
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origin = body.get("webauthn_origin") if body else None
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if not webauthn_is_enabled():
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return {"enabled": False, "reason": "WebAuthn is disabled in config"}
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if not rp_id or not origin:
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return {"enabled": False, "reason": "Domain information unavailable"}
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mgmt_domains = get_management_domains()
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if rp_id not in mgmt_domains:
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return {"enabled": False, "reason": "Not a management domain"}
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return {
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"enabled": True,
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"rp_id": rp_id,
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"rp_name": get_rp_name(),
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"origin": origin,
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}
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@registry.register(POST_AUTH_WEBAUTHN_REGISTER_BEGIN)
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def webauthn_register_begin(_request: Any, body: Any) -> dict[str, Any]:
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"""Begin WebAuthn registration — return options for ``credentials.create()``."""
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origin, rp_id = _check_webauthn_domain(body)
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username = body.get("username")
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if not username:
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raise ValueError("username is required")
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options = create_registration_options(
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username,
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origin=origin,
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rp_id=rp_id,
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)
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return options
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@registry.register(POST_AUTH_WEBAUTHN_REGISTER_FINISH)
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def webauthn_register_finish(_request: Any, body: Any) -> dict[str, Any]:
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"""Finish WebAuthn registration — verify credential and persist."""
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origin, rp_id = _check_webauthn_domain(body)
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username = body.get("username")
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credential_response = body.get("credential_response")
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registration_options = body.get("registration_options")
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credential_name = body.get("name", "")
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if not username or not credential_response or not registration_options:
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raise ValueError(
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"username, credential_response, and registration_options are required"
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)
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cred = verify_registration(
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username,
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credential_response,
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registration_options,
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credential_name,
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origin=origin,
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rp_id=rp_id,
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)
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return {"ok": True, "credential": cred}
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@registry.register(POST_AUTH_WEBAUTHN_AUTHENTICATE_BEGIN)
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def webauthn_authenticate_begin(_request: Any, body: Any) -> dict[str, Any]:
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"""Begin WebAuthn authentication — return options for ``credentials.get()``.
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Public endpoint — no JWT required. Returns ``{"noWebAuthn": true}`` if the
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user has no registered credentials (so the frontend can fall back to password).
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"""
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_, rp_id = _check_webauthn_domain(body)
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username = body.get("username")
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if not username:
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raise ValueError("username is required")
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options = create_authentication_options(
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username,
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rp_id=rp_id,
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)
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if options is None:
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return {"no_webauthn": True}
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return options
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@registry.register(POST_AUTH_WEBAUTHN_AUTHENTICATE_FINISH)
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def webauthn_authenticate_finish(_request: Any, body: Any) -> dict[str, Any]:
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"""Finish WebAuthn authentication — verify assertion, issue tokens.
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Public endpoint — no JWT required.
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"""
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origin, rp_id = _check_webauthn_domain(body)
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username = body.get("username")
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assertion_response = body.get("assertion_response")
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auth_options = body.get("auth_options")
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client_ip = body.get("client_ip")
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if not username or not assertion_response or not auth_options:
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raise ValueError("username, assertion_response, and auth_options are required")
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if not check_webauthn_rate(username, client_ip):
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raise ValueError("Too many WebAuthn attempts. Please try again later.")
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verify_authentication(
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username,
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assertion_response,
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auth_options,
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origin=origin,
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rp_id=rp_id,
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)
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user = get_user(username)
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if user is None:
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raise ValueError("User not found")
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permissions = user["permissions"]
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tokens = generate_tokens(username, permissions)
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return {
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"tokens": tokens,
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"access_ttl": get_access_ttl(),
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"user": {
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"id": user["id"],
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"username": user["username"],
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},
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"permissions": permissions,
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}
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@registry.register(GET_AUTH_WEBAUTHN_CREDENTIALS)
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def webauthn_credentials(request: Any, body: Any) -> list[dict[str, Any]]:
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"""List WebAuthn credentials for the authenticated user."""
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username = body.get("username") if body else None
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if not username:
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raise ValueError("No active session")
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return list_credentials(username)
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@registry.register(DELETE_AUTH_WEBAUTHN_CREDENTIAL)
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def webauthn_remove_credential(request: Any, body: Any) -> dict[str, Any]:
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"""Remove a WebAuthn credential."""
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if not body or not isinstance(body, dict):
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raise ValueError("Request body is required")
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username = body.get("username")
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if not username:
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raise ValueError("No active session")
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credential_id = body.get("credential_id")
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if not credential_id:
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raise ValueError("credential_id is required")
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try:
|
|
remove_credential(username, credential_id)
|
|
logger.info("WebAuthn credential removed for %s", username)
|
|
return {"ok": True}
|
|
except ValueError as e:
|
|
if "not found" in str(e):
|
|
raise NotFoundError(str(e)) from e
|
|
raise
|
|
|
|
|
|
@registry.register(GET_AUTH_WEBAUTHN_CREDENTIAL_COUNTS)
|
|
def webauthn_credential_counts(_request: Any, body: Any) -> dict[str, int]:
|
|
"""Return credential counts for all users (admin endpoint)."""
|
|
from lib.webauthn import get_all_credential_counts
|
|
|
|
return get_all_credential_counts()
|