181 lines
6.8 KiB
Python
181 lines
6.8 KiB
Python
import logging
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from datetime import datetime, timezone, timedelta
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from fastapi import APIRouter, Depends, HTTPException, Response, Request, status
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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logger = logging.getLogger("homeschool.auth")
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from app.auth.jwt import (
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create_access_token,
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create_refresh_token,
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decode_token,
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hash_password,
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verify_password,
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)
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from app.dependencies import get_db, get_current_user
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from app.models.user import User
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from app.models.subject import Subject
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from app.schemas.auth import LoginRequest, RegisterRequest, TokenResponse
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from app.schemas.user import UserOut
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from app.utils.ntfy import notify
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router = APIRouter(prefix="/api/auth", tags=["auth"])
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REFRESH_COOKIE = "refresh_token"
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COOKIE_OPTS = {
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"httponly": True,
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"samesite": "lax",
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"secure": True,
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}
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@router.post("/register", response_model=TokenResponse, status_code=status.HTTP_201_CREATED)
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async def register(body: RegisterRequest, response: Response, request: Request, db: AsyncSession = Depends(get_db)):
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existing = await db.execute(select(User).where(User.email == body.email))
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if existing.scalar_one_or_none():
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raise HTTPException(status_code=400, detail="Email already registered")
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user = User(
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email=body.email,
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hashed_password=hash_password(body.password),
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full_name=body.full_name,
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)
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db.add(user)
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await db.commit()
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await db.refresh(user)
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meeting = Subject(
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user_id=user.id,
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name="Meeting",
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icon="📅",
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color="#6366f1",
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is_system=True,
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)
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db.add(meeting)
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await db.commit()
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access = create_access_token({"sub": str(user.id)})
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refresh = create_refresh_token({"sub": str(user.id)})
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response.set_cookie(REFRESH_COOKIE, refresh, **COOKIE_OPTS)
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ip = request.headers.get("X-Forwarded-For", request.client.host if request.client else "unknown").split(",")[0].strip()
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ua = request.headers.get("User-Agent", "unknown")
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await notify(
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title="Homeschool Dashboard New User Registered",
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message=f"Name: {body.full_name}\nEmail: {body.email}\nIP: {ip}\nUA: {ua}",
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priority="default",
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tags=["bust_in_silhouette"],
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)
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return TokenResponse(access_token=access)
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_LOGIN_MAX_ATTEMPTS = 5
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_LOGIN_LOCKOUT_MINUTES = 15
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@router.post("/login", response_model=TokenResponse)
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async def login(body: LoginRequest, response: Response, request: Request, db: AsyncSession = Depends(get_db)):
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result = await db.execute(select(User).where(User.email == body.email))
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(status_code=401, detail="Invalid credentials")
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now = datetime.now(timezone.utc).replace(tzinfo=None)
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ip = request.headers.get("X-Forwarded-For", request.client.host if request.client else "unknown").split(",")[0].strip()
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ua = request.headers.get("User-Agent", "unknown")
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if user.locked_until and user.locked_until > now:
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remaining = int((user.locked_until - now).total_seconds() / 60) + 1
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logger.warning("Locked account login attempt for email=%s", body.email)
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await notify(
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title="Homeschool Dashboard Login Attempt on Locked Account",
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message=f"Email: {body.email}\nLocked for {remaining} more minute(s)\nIP: {ip}\nUA: {ua}",
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priority="high",
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tags=["lock"],
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)
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raise HTTPException(status_code=429, detail=f"Account locked. Try again in {remaining} minute(s).")
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if not user.is_active:
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logger.warning("Login attempt on disabled account email=%s", body.email)
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raise HTTPException(status_code=403, detail="This account has been disabled. Please contact your administrator.")
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if not verify_password(body.password, user.hashed_password):
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user.failed_login_attempts += 1
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if user.failed_login_attempts >= _LOGIN_MAX_ATTEMPTS:
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user.locked_until = now + timedelta(minutes=_LOGIN_LOCKOUT_MINUTES)
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logger.warning("Account locked for email=%s after %d failed attempts", body.email, user.failed_login_attempts)
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await notify(
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title="Homeschool Dashboard Account Locked",
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message=f"Email: {body.email}\nLocked after {user.failed_login_attempts} failed attempts\nIP: {ip}\nUA: {ua}",
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priority="urgent",
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tags=["warning"],
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)
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else:
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logger.warning("Failed login attempt %d/%d for email=%s", user.failed_login_attempts, _LOGIN_MAX_ATTEMPTS, body.email)
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await db.commit()
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raise HTTPException(status_code=401, detail="Invalid credentials")
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user.failed_login_attempts = 0
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user.locked_until = None
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user.last_active_at = datetime.now(timezone.utc)
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await db.commit()
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access = create_access_token({"sub": str(user.id)})
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refresh = create_refresh_token({"sub": str(user.id)})
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response.set_cookie(REFRESH_COOKIE, refresh, **COOKIE_OPTS)
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return TokenResponse(access_token=access)
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@router.post("/refresh", response_model=TokenResponse)
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async def refresh_token(request: Request, response: Response, db: AsyncSession = Depends(get_db)):
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token = request.cookies.get(REFRESH_COOKIE)
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if not token:
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raise HTTPException(status_code=401, detail="No refresh token")
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try:
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payload = decode_token(token)
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except ValueError:
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raise HTTPException(status_code=401, detail="Invalid refresh token")
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if payload.get("type") != "refresh":
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raise HTTPException(status_code=401, detail="Wrong token type")
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user_id = payload.get("sub")
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result = await db.execute(select(User).where(User.id == int(user_id), User.is_active == True))
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(status_code=401, detail="User not found")
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user.last_active_at = datetime.now(timezone.utc)
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await db.commit()
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access = create_access_token({"sub": str(user.id)})
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new_refresh = create_refresh_token({"sub": str(user.id)})
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response.set_cookie(REFRESH_COOKIE, new_refresh, **COOKIE_OPTS)
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return TokenResponse(access_token=access)
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@router.post("/logout")
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async def logout(response: Response):
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response.delete_cookie(REFRESH_COOKIE)
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return {"detail": "Logged out"}
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@router.post("/change-password")
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async def change_password(
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body: dict,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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current = body.get("current_password", "")
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new = body.get("new_password", "").strip()
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if not current or not new:
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raise HTTPException(status_code=400, detail="current_password and new_password are required")
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if not verify_password(current, current_user.hashed_password):
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raise HTTPException(status_code=400, detail="Current password is incorrect")
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current_user.hashed_password = hash_password(new)
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await db.commit()
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return {"ok": True}
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