Import Vector lab project

2026-06-06 18:31:55 +00:00
commit fcc22063ed
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+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from sqlalchemy.orm import Session
+from jose import JWTError, jwt
+from datetime import datetime, timedelta
+from typing import Optional
+from pydantic import BaseModel
+import os
+import bcrypt
+
+from database import get_db
+from models import User
+from schemas import UserOut
+
+router = APIRouter()
+
+# JWT настройки
+SECRET_KEY = os.getenv("JWT_SECRET", "change-me-in-production")
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24  # 24 часа
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login")
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+class TokenData(BaseModel):
+    username: Optional[str] = None
+    role: Optional[str] = None
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Проверка пароля через bcrypt напрямую"""
+    return bcrypt.checkpw(
+        plain_password.encode('utf-8'),
+        hashed_password.encode('utf-8')
+    )
+
+
+def get_password_hash(password: str) -> str:
+    """Хеширование пароля через bcrypt напрямую"""
+    salt = bcrypt.gensalt()
+    return bcrypt.hashpw(password.encode('utf-8'), salt).decode('utf-8')
+
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
+    """Создание JWT токена"""
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=15)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+
+def authenticate_user(db: Session, username: str, password: str):
+    """Аутентификация пользователя"""
+    user = db.query(User).filter(User.username == username).first()
+    if not user:
+        return False
+    if not verify_password(password, user.hashed_password):
+        return False
+    return user
+
+
+async def get_current_user(
+    token: str = Depends(oauth2_scheme),
+    db: Session = Depends(get_db)
+) -> User:
+    """Получение текущего пользователя из JWT токена"""
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        username: str = payload.get("sub")
+        if username is None:
+            raise credentials_exception
+        token_data = TokenData(username=username, role=payload.get("role"))
+    except JWTError:
+        raise credentials_exception
+
+    user = db.query(User).filter(User.username == token_data.username).first()
+    if user is None:
+        raise credentials_exception
+    if not user.is_active:
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return user
+
+
+async def get_current_active_user(current_user: User = Depends(get_current_user)) -> User:
+    """Проверка активности пользователя"""
+    if not current_user.is_active:
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return current_user
+
+
+def require_role(allowed_roles: list[str]):
+    """Dependency для проверки роли пользователя"""
+    async def role_checker(current_user: User = Depends(get_current_user)):
+        if current_user.role not in allowed_roles:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail=f"Access denied. Required roles: {', '.join(allowed_roles)}"
+            )
+        return current_user
+    return role_checker
+
+
+@router.post("/login", response_model=Token)
+async def login(
+    form_data: OAuth2PasswordRequestForm = Depends(),
+    db: Session = Depends(get_db)
+):
+    """
+    Аутентификация и получение JWT токена.
+
+    Используйте username и password для получения access_token.
+    Токен действителен 24 часа.
+
+    Тестовые пользователи:
+    - operator / pass123
+    - field / pass123
+    - admin / pass123
+    """
+    user = authenticate_user(db, form_data.username, form_data.password)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    # Обновляем last_login
+    user.last_login = datetime.utcnow()
+    db.commit()
+
+    access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = create_access_token(
+        data={"sub": user.username, "role": user.role},
+        expires_delta=access_token_expires
+    )
+    return {"access_token": access_token, "token_type": "bearer"}
+
+
+@router.get("/me", response_model=UserOut)
+async def read_users_me(current_user: User = Depends(get_current_active_user)):
+    """
+    Получить информацию о текущем пользователе.
+
+    Требуется валидный JWT токен в заголовке Authorization: Bearer <token>
+    """
+    return current_user
+
+
+@router.post("/register", response_model=UserOut, status_code=status.HTTP_201_CREATED)
+async def register_user(
+    username: str,
+    email: str,
+    password: str,
+    full_name: Optional[str] = None,
+    role: str = "operator",
+    current_user: User = Depends(require_role(["admin"])),
+    db: Session = Depends(get_db)
+):
+    """
+    Регистрация нового пользователя (только для admin).
+
+    Доступные роли: operator, field, admin
+    """
+    # Проверка существования пользователя
+    if db.query(User).filter(User.username == username).first():
+        raise HTTPException(status_code=400, detail="Username already registered")
+    if db.query(User).filter(User.email == email).first():
+        raise HTTPException(status_code=400, detail="Email already registered")
+
+    # Создание пользователя
+    hashed_password = get_password_hash(password)
+    db_user = User(
+        username=username,
+        email=email,
+        hashed_password=hashed_password,
+        full_name=full_name,
+        role=role
+    )
+    db.add(db_user)
+    db.commit()
+    db.refresh(db_user)
+    return db_user