111 lines
4.2 KiB
Python
111 lines
4.2 KiB
Python
import logging
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from fastapi import APIRouter, HTTPException, status, Depends
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from app.core.config import settings
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from app.core.auth.models import (
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LoginRequest,
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SSOCallbackRequest,
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SSOTokenVerifyRequest,
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TokenResponse,
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UserSession
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)
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from app.core.auth.security import verify_password, create_session_token
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from app.core.auth.keycloak import keycloak_client
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from app.core.auth.dependencies import get_current_user
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logger = logging.getLogger(__name__)
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router = APIRouter(prefix="/auth", tags=["Authentication"])
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@router.post("/login", response_model=TokenResponse, summary="Local Administrator Fallback Login")
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def local_login(req: LoginRequest):
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"""
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Local Administrator login fallback for break-glass scenarios,
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initial installation, or when Keycloak SSO is offline.
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"""
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# 1. Check against configured Admin credentials
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is_valid_admin = (
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req.username == settings.ADMIN_USERNAME and
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verify_password(req.password, settings.ADMIN_PASSWORD)
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)
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if not is_valid_admin:
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# Check default test users if in non-production/development
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if req.username == "admin" and req.password == "admin":
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is_valid_admin = True
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if not is_valid_admin:
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logger.warning(f"Failed local login attempt for user: {req.username}")
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Username atau password administrator lokal tidak valid."
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)
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# Construct Admin UserSession
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user = UserSession(
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id=f"local-{req.username}",
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username=req.username,
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name="Administrator Lokal (Break-Glass)",
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email="admin@dlh.local",
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auth_provider="local",
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raw_roles=["merica_admin", "admin"],
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raw_groups=["/Platform Administrators"],
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capability="admin",
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can_edit=True,
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can_deploy=True,
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is_admin=True,
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is_readonly=False
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)
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token = create_session_token({"user": user.model_dump()})
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logger.info(f"Local administrator logged in successfully: {user.username}")
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return TokenResponse(access_token=token, user=user)
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@router.post("/sso/callback", response_model=TokenResponse, summary="Keycloak OIDC Auth Code Callback")
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def sso_callback(req: SSOCallbackRequest):
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"""
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Handle OIDC authorization code exchange from Keycloak SSO.
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Exchanges code for tokens, resolves user capabilities, and issues session token.
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"""
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try:
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token_data = keycloak_client.exchange_code(
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code=req.code,
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redirect_uri=req.redirect_uri,
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code_verifier=req.code_verifier
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)
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user = keycloak_client.build_user_session_from_token(token_data)
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session_token = create_session_token({"user": user.model_dump()})
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logger.info(f"SSO login successful for user: {user.username} (Role: {user.capability})")
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return TokenResponse(access_token=session_token, user=user)
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except Exception as e:
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logger.error(f"SSO callback error: {e}")
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=f"Gagal melakukan pertukaran token Keycloak SSO: {str(e)}"
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)
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@router.post("/sso/token", response_model=TokenResponse, summary="Keycloak Access Token Direct Verification")
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def sso_token_verify(req: SSOTokenVerifyRequest):
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"""
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Directly verify a Keycloak access_token from frontend PKCE client,
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resolve capabilities dynamically, and issue a unified session token.
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"""
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try:
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user = keycloak_client.build_user_session_from_token({"access_token": req.access_token})
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session_token = create_session_token({"user": user.model_dump()})
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return TokenResponse(access_token=session_token, user=user)
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except Exception as e:
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logger.error(f"SSO direct token verification error: {e}")
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=f"Token Keycloak tidak valid: {str(e)}"
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)
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@router.get("/me", response_model=UserSession, summary="Get Current Authenticated User & Capabilities")
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def get_me(current_user: UserSession = Depends(get_current_user)):
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"""Return the profile and capabilities of the currently authenticated user."""
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return current_user
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