mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-11 18:16:40 +00:00
marwiss
118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
from fastapi import Depends, HTTPException, status, Security
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from fastapi.security import OAuth2AuthorizationCodeBearer, SecurityScopes
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from datetime import datetime, timedelta
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from passlib.context import CryptContext
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from jose import jwt, JWTError
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from models.other import TokenData
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from models.request import User
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from database.neo4j import db
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import os
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from security.secrets import get_secrets
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secrets = get_secrets()
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# password context
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crypt_context = CryptContext(
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schemes=["bcrypt"],
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deprecated="auto")
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oauth2_scheme = OAuth2AuthorizationCodeBearer(
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authorizationUrl='foundation/oauth2/auth',
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tokenUrl='foundation/oauth2/token',
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scopes={
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'test': 'Full access, but only test data.',
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'user': 'Normal user access.',
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'admin': 'Full access to all.'
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})
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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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def create_access_token(data: dict, expires_delta: timedelta | None = None):
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payload = 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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payload.update({"expires": str(expire)})
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encoded_jwt = jwt.encode(payload, secrets['security_secret_key'], algorithm=os.environ['SECURITY_ALGORITHM'])
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return encoded_jwt
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def verify_password(plain_password, hashed_password):
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return crypt_context.verify(plain_password, hashed_password)
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# see if given password matches password of username
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def authenticate_user(username_to_authenticate: str, plain_password: str) -> dict or False:
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# maybe put an exception around this code below
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user = db.get_user(username_to_authenticate)
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if not user:
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return False
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if verify_password(plain_password, user.hashed_password):
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return user
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return False
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def get_password_hash(plain_password):
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return crypt_context.hash(plain_password)
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# get current user from token
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async def get_current_user(security_scopes: SecurityScopes, token: str = Depends(oauth2_scheme)):
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print("\n\n\nGets current user.")
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if security_scopes.scopes:
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authenticate_value = f'Bearer scope="{security_scopes.scope_str}"'
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else:
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authenticate_value = f"Bearer"
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print(authenticate_value)
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try:
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print('Token: ', token)
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payload = jwt.decode(token,
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secrets['security_secret_key'],
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algorithms=[os.environ['SECURITY_ALGORITHM']])
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username_from_token: str = payload.get("username")
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print('Token username: ', username_from_token)
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if username_from_token is None:
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raise credentials_exception
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token_scopes = payload.get("scopes", [])
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print('Token scopes: ', token_scopes)
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token_data = TokenData(scopes=token_scopes, username=username_from_token)
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except JWTError:
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print('JWTError')
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raise credentials_exception
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user = db.get_user(username=token_data.username)
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if user is None:
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raise credentials_exception
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for scope in security_scopes.scopes:
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if scope not in token_data.scopes:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Not enough permissions",
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headers={"WWW-Authenticate": authenticate_value},
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)
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return user
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async def get_current_active_user(current_user: User = Security(get_current_user, scopes=["test"])):
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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
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