91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
from jose import JWTError, jwt
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from datetime import datetime, timedelta
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from . import schemas, database, models
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from fastapi import Depends, status, HTTPException, Security
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from fastapi.security import OAuth2PasswordBearer, APIKeyHeader
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from sqlalchemy.orm import Session
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from .config import settings
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl='login')
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header_scheme = APIKeyHeader(name="X-API-KEY")
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SECRET_KEY = settings.secret_key2
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ALGORITHM = settings.algorithm
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ACCESS_TOKEN_EXPIRE_MINUTES = settings.access_token_expire_minutes
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REFRESH_TOKEN_EXPIRE_DAYS = settings.refresh_token_expire_days
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X_API_KEY = settings.x_api_key
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def verify_api_key(api_key_header: str = Security(header_scheme)):
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if api_key_header == X_API_KEY:
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return {"status": "OK"}
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED)
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def create_access_token(data: dict):
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to_encode = data.copy()
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expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update(
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{"type": "access"})
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to_encode.update(
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{"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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def create_refresh_token(data: dict):
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to_encode = data.copy()
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expire = datetime.utcnow() + timedelta(days=REFRESH_TOKEN_EXPIRE_DAYS)
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to_encode.update(
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{"type": "refresh"})
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to_encode.update(
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{"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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def decode_and_verify_token(token: str, expected_type: str):
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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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token_type: str = payload.get("type")
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if token_type != expected_type:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=f"Invalid token type: expected {expected_type}, got {token_type}")
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except JWTError:
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raise credentials_exception
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return payload
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def verify_access_token(access_token: str = Depends(oauth2_scheme)):
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payload = decode_and_verify_token(access_token, expected_type="access")
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user_id: str = payload.get("UserID")
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email: str = payload.get("Email")
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token_data = schemas.TokenData(UserID=user_id, Email=email)
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return token_data
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def verify_refresh_token(refresh_token: str):
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payload = decode_and_verify_token(refresh_token, expected_type="refresh")
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user_id: str = payload.get("UserID")
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return user_id
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def get_current_user(token_data: schemas.TokenData = Depends(verify_access_token), db: Session = Depends(database.get_db)):
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user = db.query(models.Users).filter(models.Users.UserID == token_data.UserID).first()
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if user is None:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="User not found")
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return user
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