79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
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"""Auth router for BadNote."""
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from datetime import datetime, timezone
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from uuid import uuid4
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from fastapi import APIRouter, Depends, HTTPException, status
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from ..auth import (
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create_access_token,
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dummy_verify,
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get_current_user,
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hash_password,
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verify_password,
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)
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from ..database import get_db
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from ..models import TokenResponse, UserCreate, UserLogin
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router = APIRouter()
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@router.post("/register", response_model=TokenResponse, status_code=status.HTTP_201_CREATED)
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async def register(body: UserCreate) -> TokenResponse:
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"""Register a new user."""
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db = await get_db()
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existing = await db.execute(
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"SELECT id FROM users WHERE username = ?", (body.username,)
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)
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if await existing.fetchone() is not None:
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raise HTTPException(
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status_code=status.HTTP_409_CONFLICT,
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detail="Username already taken",
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)
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user_id = str(uuid4())
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now = datetime.now(timezone.utc).isoformat()
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await db.execute(
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"INSERT INTO users (id, username, password_hash, created_at) VALUES (?, ?, ?, ?)",
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(user_id, body.username, hash_password(body.password), now),
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)
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await db.commit()
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token = create_access_token(user_id)
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return TokenResponse(token=token, user_id=user_id)
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@router.post("/login", response_model=TokenResponse)
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async def login(body: UserLogin) -> TokenResponse:
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"""Authenticate and return a token."""
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db = await get_db()
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row = await (
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await db.execute(
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"SELECT id, password_hash FROM users WHERE username = ?", (body.username,)
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)
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).fetchone()
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if row is None:
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# Spend comparable time hashing so timing does not reveal whether the
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# username exists.
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dummy_verify()
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid username or password",
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)
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if not verify_password(body.password, row["password_hash"]):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid username or password",
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)
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token = create_access_token(row["id"])
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return TokenResponse(token=token, user_id=row["id"])
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@router.post("/refresh", response_model=TokenResponse)
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async def refresh(user_id: str = Depends(get_current_user)) -> TokenResponse:
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"""Refresh an existing valid token."""
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token = create_access_token(user_id)
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return TokenResponse(token=token, user_id=user_id)
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