161 lines
5.1 KiB
Python
161 lines
5.1 KiB
Python
# from passlib.context import CryptContext
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# import os
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# from datetime import datetime, timedelta
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# from typing import Union, Any
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# from jose import jwt
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# ACCESS_TOKEN_EXPIRE_MINUTES = 30 # 30 minutes
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# REFRESH_TOKEN_EXPIRE_MINUTES = 60 * 24 * 7 # 7 days
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# ALGORITHM = "HS256"
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# # В предположении, что попыток взлома не будет, возьмем простейший ключ
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# JWT_SECRET_KEY = "secret key" # может также быть os.environ["JWT_SECRET_KEY"]
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# JWT_REFRESH_SECRET_KEY = "refresh secret key" # может также быть os.environ["JWT_REFRESH_SECRET_KEY"]
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# def get_hashed_password(password: str) -> str:
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# return password_context.hash(password)
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# def verify_password(password: str, hashed_pass: str) -> bool:
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# return password_context.verify(password, hashed_pass)
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# def create_access_token(subject: Union[str, Any], expires_delta: int = None) -> str:
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# if expires_delta is not None:
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# expires_delta = datetime.utcnow() + expires_delta
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# else:
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# expires_delta = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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# to_encode = {"exp": expires_delta, "sub": str(subject)}
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# encoded_jwt = jwt.encode(to_encode, JWT_SECRET_KEY, ALGORITHM)
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# return encoded_jwt
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# def create_refresh_token(subject: Union[str, Any], expires_delta: int = None) -> str:
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# if expires_delta is not None:
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# expires_delta = datetime.utcnow() + expires_delta
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# else:
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# expires_delta = datetime.utcnow() + timedelta(minutes=REFRESH_TOKEN_EXPIRE_MINUTES)
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# to_encode = {"exp": expires_delta, "sub": str(subject)}
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# encoded_jwt = jwt.encode(to_encode, JWT_REFRESH_SECRET_KEY, ALGORITHM)
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# return encoded_jwt
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from datetime import datetime, timedelta
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from typing import Annotated, Union
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from fastapi import Depends, FastAPI, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from pydantic import BaseModel
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# to get a string like this run:
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# openssl rand -hex 32
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SECRET_KEY = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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# fake_users_db = {
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# "johndoe": {
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# "email": "johndoe",
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# "full_name": "John Doe",
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# "email": "johndoe@example.com",
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# "hashed_password": "$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW",
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# "disabled": False,
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# }
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# }
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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 TokenData(BaseModel):
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email: Union[str, None] = None
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class User(BaseModel):
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email: str
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email: Union[str, None] = None
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# password: str
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# password: Union[str, None] = None
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full_name: Union[str, None] = None
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disabled: Union[bool, None] = None
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class UserInDB(User):
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hashed_password: str
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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def verify_password(plain_password, hashed_password):
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password):
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return pwd_context.hash(password)
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def get_user(db, email: str):
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user = None
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for person_with_correct_email in db:
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if person_with_correct_email.email == email:
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user = person_with_correct_email
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break
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return user #UserInDB(user_email)
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def authenticate_user(db, email: str, password: str):
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user = get_user(db, email)
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if not user:
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return False
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if not verify_password(password, user.hashed_password):
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return False
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return user
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def create_access_token(data: dict, expires_delta: Union[timedelta, None] = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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async def get_current_user(token: Annotated[str, Depends(oauth2_scheme)]):
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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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email: str = payload.get("sub")
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if email is None:
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raise credentials_exception
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token_data = TokenData(email=email)
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except JWTError:
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raise credentials_exception
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user = get_user(fake_users_db, email=token_data.email)
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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_active_user(
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current_user: Annotated[User, Depends(get_current_user)]
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):
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if current_user.disabled:
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user |