Init first files

backend/app/api/routes/auth.py

@@ -0,0 +1,54 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from jose import JWTError, jwt
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+from app.core.config import get_settings
+from app.core.db import get_db
+from app.core.deps import get_current_user
+from app.core.security import create_access_token, create_refresh_token, verify_password
+from app.models.models import User
+from app.schemas.auth import LoginRequest, RefreshRequest, TokenResponse
+from app.schemas.user import UserOut
+from app.services.audit import write_audit_log
+
+router = APIRouter()
+settings = get_settings()
+
+
+@router.post("/login", response_model=TokenResponse)
+async def login(payload: LoginRequest, db: AsyncSession = Depends(get_db)) -> TokenResponse:
+    user = await db.scalar(select(User).where(User.email == payload.email))
+    if not user or not verify_password(payload.password, user.password_hash):
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid credentials")
+
+    await write_audit_log(db, action="auth.login", user_id=user.id, payload={"email": user.email})
+    return TokenResponse(access_token=create_access_token(str(user.id)), refresh_token=create_refresh_token(str(user.id)))
+
+
+@router.post("/refresh", response_model=TokenResponse)
+async def refresh(payload: RefreshRequest, db: AsyncSession = Depends(get_db)) -> TokenResponse:
+    try:
+        token_payload = jwt.decode(payload.refresh_token, settings.jwt_secret_key, algorithms=[settings.jwt_algorithm])
+    except JWTError as exc:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid refresh token") from exc
+
+    if token_payload.get("type") != "refresh":
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid refresh token type")
+    user_id = token_payload.get("sub")
+    user = await db.scalar(select(User).where(User.id == int(user_id)))
+    if not user:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="User not found")
+
+    await write_audit_log(db, action="auth.refresh", user_id=user.id, payload={})
+    return TokenResponse(access_token=create_access_token(str(user.id)), refresh_token=create_refresh_token(str(user.id)))
+
+
+@router.post("/logout")
+async def logout(user: User = Depends(get_current_user), db: AsyncSession = Depends(get_db)) -> dict:
+    await write_audit_log(db, action="auth.logout", user_id=user.id, payload={})
+    return {"status": "ok"}
+
+
+@router.get("/me", response_model=UserOut)
+async def me(user: User = Depends(get_current_user)) -> UserOut:
+    return UserOut.model_validate(user)