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518de3da27
Add complete authentication layer: - Pydantic v2 schemas for auth requests/responses and user representation - Auth service with login (account locking, MFA), registration (invitation tokens + domain whitelist), token management, MFA setup/activation, and password change - FastAPI router with 8 endpoints: login, register, refresh, logout, mfa/setup, mfa/verify, change-password, me - Router registered in main.py under /api/auth Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
132 lines
4.2 KiB
Python
132 lines
4.2 KiB
Python
"""Auth API router: login, register, refresh, logout, MFA, password change."""
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from fastapi import APIRouter, Depends
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from sqlalchemy.orm import Session
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from app.core.dependencies import get_current_user
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from app.database import get_db
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from app.models.user import User
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from app.schemas.auth import (
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ChangePasswordRequest,
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LoginRequest,
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MFASetupResponse,
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MFAVerifyRequest,
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RefreshRequest,
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RegisterRequest,
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TokenResponse,
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)
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from app.schemas.user import UserResponse
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from app.services.auth_service import (
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activate_mfa,
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authenticate_user,
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change_password,
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create_tokens,
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refresh_access_token,
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register_user,
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revoke_refresh_token,
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setup_mfa,
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)
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router = APIRouter()
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# ---------------------------------------------------------------------------
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# Public endpoints (no auth required)
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# ---------------------------------------------------------------------------
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@router.post("/login", response_model=TokenResponse)
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def login(data: LoginRequest, db: Session = Depends(get_db)):
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"""Authenticate with email/password (+ optional MFA) and receive tokens."""
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user = authenticate_user(db, data.email, data.password, data.mfa_code)
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access, refresh = create_tokens(db, user)
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return TokenResponse(
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access_token=access,
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refresh_token=refresh,
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user=UserResponse.model_validate(user),
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)
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@router.post("/register", response_model=UserResponse)
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def register(data: RegisterRequest, db: Session = Depends(get_db)):
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"""Self-service registration (invitation token or whitelisted domain)."""
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user = register_user(
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db,
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username=data.username,
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email=data.email,
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password=data.password,
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invitation_token=data.invitation_token,
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)
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return UserResponse.model_validate(user)
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@router.post("/refresh", response_model=TokenResponse)
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def refresh(data: RefreshRequest, db: Session = Depends(get_db)):
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"""Exchange a valid refresh token for a new access token."""
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access, user = refresh_access_token(db, data.refresh_token)
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return TokenResponse(
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access_token=access,
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refresh_token=data.refresh_token,
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user=UserResponse.model_validate(user),
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)
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# ---------------------------------------------------------------------------
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# Authenticated endpoints
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# ---------------------------------------------------------------------------
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@router.post("/logout")
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def logout(
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data: RefreshRequest,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Revoke the supplied refresh token (logout)."""
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revoke_refresh_token(db, data.refresh_token)
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return {"detail": "Logged out"}
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@router.post("/mfa/setup", response_model=MFASetupResponse)
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def mfa_setup(current_user: User = Depends(get_current_user)):
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"""Generate a new TOTP secret and QR provisioning URI.
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The client must store the returned *secret* and send it back together
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with a valid TOTP code to ``POST /mfa/verify`` to finalise activation.
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"""
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secret, uri = setup_mfa(current_user)
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return MFASetupResponse(secret=secret, qr_uri=uri)
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@router.post("/mfa/verify")
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def mfa_verify(
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data: MFAVerifyRequest,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Verify the TOTP code against the secret from /mfa/setup and enable MFA.
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MFA setup flow:
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1. ``POST /mfa/setup`` --> ``{secret, qr_uri}``
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2. User scans QR in authenticator app.
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3. ``POST /mfa/verify`` with ``{secret, code}`` --> MFA enabled.
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"""
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activate_mfa(db, current_user, data.secret, data.code)
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return {"detail": "MFA enabled"}
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@router.post("/change-password")
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def change_password_endpoint(
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data: ChangePasswordRequest,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Change the authenticated user's password."""
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change_password(db, current_user, data.old_password, data.new_password)
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return {"detail": "Password changed"}
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@router.get("/me", response_model=UserResponse)
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def me(current_user: User = Depends(get_current_user)):
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"""Return the currently authenticated user's profile."""
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return UserResponse.model_validate(current_user)
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