get_current_user() — fastapi Function Reference

Architecture documentation for the get_current_user() function in tutorial004_py310.py from the fastapi codebase.

Function python FastAPI Routing calls 1

Entity Profile

FastAPI→ Routing→ get_current_user() — fastapi Function Reference

Dependency Diagram

graph TD
  30b41bed_6f93_9060_72c6_a2ab6f3903f0["get_current_user()"]
  94431617_6d9c_db53_7d48_f9b8408147c2["tutorial004_py310.py"]
  30b41bed_6f93_9060_72c6_a2ab6f3903f0 -->|defined in| 94431617_6d9c_db53_7d48_f9b8408147c2
  b3f7c06a_afa7_8b3c_a80b_7b3a60296bf4["get_user()"]
  30b41bed_6f93_9060_72c6_a2ab6f3903f0 -->|calls| b3f7c06a_afa7_8b3c_a80b_7b3a60296bf4
  style 30b41bed_6f93_9060_72c6_a2ab6f3903f0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

docs_src/security/tutorial004_py310.py lines 89–106

async def get_current_user(token: str = Depends(oauth2_scheme)):
    credentials_exception = HTTPException(
        status_code=status.HTTP_401_UNAUTHORIZED,
        detail="Could not validate credentials",
        headers={"WWW-Authenticate": "Bearer"},
    )
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
        username = payload.get("sub")
        if username is None:
            raise credentials_exception
        token_data = TokenData(username=username)
    except InvalidTokenError:
        raise credentials_exception
    user = get_user(fake_users_db, username=token_data.username)
    if user is None:
        raise credentials_exception
    return user