124 lines
4.0 KiB
Python
124 lines
4.0 KiB
Python
from datetime import timedelta
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from typing import Annotated
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from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from pydantic import BaseModel
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from jose import JWTError, jwt
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from repos.user_repo import UsersRepo, UserStatus
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from utils.security import verify_password, create_access_token, ACCESS_TOKEN_EXPIRE_MINUTES, ALGORITHM, SECRET_KEY
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from starlette.requests import Request
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router = APIRouter(prefix="/api/auth", tags=["auth"])
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/token")
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async def get_users_repo(request: Request) -> UsersRepo:
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if not hasattr(request.app.state, "users_repo"):
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raise HTTPException(status_code=500, detail="Users repo not initialized")
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return request.app.state.users_repo
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async def get_current_user(token: Annotated[str, Depends(oauth2_scheme)], repo: Annotated[UsersRepo, Depends(get_users_repo)]):
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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except JWTError:
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raise credentials_exception
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user = await repo.get_user_by_username(username)
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if user is None:
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raise credentials_exception
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return user
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async def get_current_admin(user: Annotated[dict, Depends(get_current_user)]):
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if not user.get("is_admin"):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Not enough permissions",
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)
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return user
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class UserRegister(BaseModel):
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username: str
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password: str
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full_name: str | None = None
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class Token(BaseModel):
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access_token: str
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token_type: str
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class UserResponse(BaseModel):
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id: str
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username: str
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full_name: str | None = None
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status: str
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is_admin: bool = False
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@router.get("/me", response_model=UserResponse)
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async def read_users_me(current_user: Annotated[dict, Depends(get_current_user)]):
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return current_user
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@router.post("/register")
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async def register(user_data: UserRegister, repo: Annotated[UsersRepo, Depends(get_users_repo)]):
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try:
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await repo.create_user(
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username=user_data.username,
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password=user_data.password,
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full_name=user_data.full_name
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)
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except ValueError as e:
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raise HTTPException(status_code=400, detail=str(e))
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return {"message": "Registration successful. Please wait for administrator approval."}
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@router.post("/token", response_model=Token)
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async def login_for_access_token(
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form_data: Annotated[OAuth2PasswordRequestForm, Depends()],
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repo: Annotated[UsersRepo, Depends(get_users_repo)]
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):
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user = await repo.get_user_by_username(form_data.username)
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if not user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# Проверяем пароль
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if not verify_password(form_data.password, user["hashed_password"]):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# Проверка статуса
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if user.get("status") != UserStatus.ALLOWED:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Account is not approved yet. Please contact administrator.",
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)
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access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = create_access_token(
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data={"sub": user["username"]}, expires_delta=access_token_expires
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)
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return {"access_token": access_token, "token_type": "bearer"}
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