raise self.make_not_authenticated_error() from e
        username, separator, password = data.partition(":")
        if not separator:
            raise self.make_not_authenticated_error()
        return HTTPBasicCredentials(username=username, password=password)


class HTTPBearer(HTTPBase):
    """
    HTTP Bearer token authentication.

    ## Usage

class UserIn(UserBase):
    password: str


class UserOut(UserBase):
    pass


class UserInDB(UserBase):
    hashed_password: str


def fake_password_hasher(raw_password: str):
    return "supersecret" + raw_password


def fake_save_user(user_in: UserIn):
    hashed_password = fake_password_hasher(user_in.password)

    return {"username": credentials.username, "password": credentials.password}


client = TestClient(app)


def test_security_http_basic():
    response = client.get("/users/me", auth=("john", "secret"))
    assert response.status_code == 200, response.text
    assert response.json() == {"username": "john", "password": "secret"}


def test_security_http_basic_no_credentials():

        "arn:aws:s3:::*"
      ]
    }
  ]
}
```

### Visit <http://localhost:8080>

You will be redirected to dex login screen - click "Login with email", enter username password
> username: ******@****.***
> password: password

and then click "Grant access"

On the browser now you shall see the list of buckets output, along with your temporary credentials obtained from MinIO.

```
{
 "buckets": [

    return {"username": credentials.username, "password": credentials.password}


client = TestClient(app)


def test_security_http_basic():
    response = client.get("/users/me", auth=("john", "secret"))
    assert response.status_code == 200, response.text
    assert response.json() == {"username": "john", "password": "secret"}


def test_security_http_basic_no_credentials():

    current_password_bytes = credentials.password.encode("utf8")
    correct_password_bytes = b"swordfish"
    is_correct_password = secrets.compare_digest(
        current_password_bytes, correct_password_bytes
    )
    if not (is_correct_username and is_correct_password):
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="Incorrect username or password",

from fastapi import FastAPI
from pydantic import BaseModel, EmailStr

app = FastAPI()


class UserIn(BaseModel):
    username: str
    password: str
    email: EmailStr
    full_name: str | None = None


class UserOut(BaseModel):
    username: str
    email: EmailStr
    full_name: str | None = None


class UserInDB(BaseModel):
    username: str
    hashed_password: str
    email: EmailStr

Bu <abbr title="Spesifikasyon: Specification">spesifikasyon</abbr> form alanlarını adlandırırken isimlerinin birebir `username` ve `password` olmasını ve JSON verisi yerine form verisi olarak gönderilmesini gerektirir.

{* ../../docs_src/request_forms/tutorial001_an_py39.py hl[9] *}

Наприклад, один зі способів використання специфікації OAuth2 (так званий "password flow") вимагає надсилати `username` та `password` як поля форми.

<abbr title="Специфікація">spec</abbr> вимагає, щоб ці поля мали точні назви `username` і `password` та надсилалися у вигляді полів форми, а не JSON.

from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel, EmailStr

app = FastAPI()


class UserIn(BaseModel):
    username: str
    password: str
    email: EmailStr
    full_name: Union[str, None] = None


class UserOut(BaseModel):
    username: str
    email: EmailStr
    full_name: Union[str, None] = None


class UserInDB(BaseModel):
    username: str
    hashed_password: str