106 lines
3.5 KiB
Python
106 lines
3.5 KiB
Python
from datetime import datetime, timedelta
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import secrets
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from fastapi import APIRouter, Depends, HTTPException, Request, status
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from fastapi.security.http import HTTPBasic, HTTPBasicCredentials
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from pydantic import BaseModel
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import jwt
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from fastapi.security import OAuth2PasswordBearer
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from freqtrade.rpc.api_server2.api_models import AccessAndRefreshToken, AccessToken
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from .deps import get_config
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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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router_login = APIRouter()
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def verify_auth(config, username: str, password: str):
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"""Verify username/password"""
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return (secrets.compare_digest(username, config['api_server'].get('username')) and
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secrets.compare_digest(password, config['api_server'].get('password')))
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httpbasic = HTTPBasic(auto_error=False)
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token", auto_error=False)
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def get_user_from_token(token, token_type: str = "access"):
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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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if payload.get("type") != token_type:
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raise credentials_exception
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except jwt.PyJWTError:
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raise credentials_exception
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return username
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def create_token(data: dict, token_type: str = "access") -> str:
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to_encode = data.copy()
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if token_type == "access":
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expire = datetime.utcnow() + timedelta(minutes=15)
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elif token_type == "refresh":
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expire = datetime.utcnow() + timedelta(days=30)
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else:
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raise ValueError()
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to_encode.update({
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"exp": expire,
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"iat": datetime.utcnow(),
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"type": token_type,
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})
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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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def http_basic_or_jwt_token(form_data: HTTPBasicCredentials = Depends(httpbasic),
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token: str = Depends(oauth2_scheme), config=Depends(get_config)):
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if token:
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return get_user_from_token(token)
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elif form_data and verify_auth(config, form_data.username, form_data.password):
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return form_data.username
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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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)
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@router_login.post('/token/login', response_model=AccessAndRefreshToken)
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def token_login(form_data: HTTPBasicCredentials = Depends(HTTPBasic()), config=Depends(get_config)):
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if verify_auth(config, form_data.username, form_data.password):
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token_data = {'sub': form_data.username}
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access_token = create_token(token_data)
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refresh_token = create_token(token_data, token_type="refresh")
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return {
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"access_token": access_token,
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"refresh_token": refresh_token,
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}
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else:
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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": "Basic"},
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)
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@router_login.post('/token/refresh', response_model=AccessToken)
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def token_refresh(token: str = Depends(oauth2_scheme)):
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# Refresh token
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u = get_user_from_token(token, 'refresh')
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token_data = {'sub': u}
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access_token = create_token(token_data, token_type="access")
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return {'access_token': access_token}
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