from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    },
    description="OAuth2 security scheme",
    auto_error=False,
)


class User(BaseModel):

	s, err := bufio.NewReader(file).ReadString('\n')
	if err != nil && !errors.Is(err, io.EOF) {
		return nil, err
	}
	statLine := strings.TrimSpace(s)
	for _, token := range strings.Fields(statLine) {
		ui64, err := strconv.ParseUint(token, 10, 64)
		if err != nil {
			return nil, err
		}
		stats = append(stats, ui64)
	}

	return stats, nil

            bufferIndex += this.server.guid.length;
            this.server.oemDomainName = new String();

            if ( this.byteCount > 16 ) {
                // have initial spnego token
                this.server.encryptionKeyLength = this.byteCount - 16;
                this.server.encryptionKey = new byte[this.server.encryptionKeyLength];

Oauth2️⃣ 👫 🎻.

///

## 📟 🤚 `username` & `password`

🔜 ➡️ ⚙️ 🚙 🚚 **FastAPI** 🍵 👉.

### `OAuth2PasswordRequestForm`

🥇, 🗄 `OAuth2PasswordRequestForm`, & ⚙️ ⚫️ 🔗 ⏮️ `Depends` *➡ 🛠️* `/token`:

//// tab | 🐍 3️⃣.6️⃣ & 🔛

```Python hl_lines="4  76"
{!> ../../docs_src/security/tutorial003.py!}
```

////

//// tab | 🐍 3️⃣.1️⃣0️⃣ & 🔛

```Python hl_lines="2  74"

     * "user.addresses(myAddress).street"</li>
     * </ul>
     *
     * @param expression not null expression
     * @param root not null object
     * @param trimRootToken trim root token yes/no.
     * @return the object defined by the expression
     * @throws IntrospectionException if any
     */
    public static Object evaluate(@Nonnull String expression, @Nullable Object root, boolean trimRootToken)

    className: String,
    cause: Throwable,
  ): Boolean {
    return when (className) {
      "okhttp3.recipes.CheckHandshake" -> true // by design
      "okhttp3.recipes.RequestBodyCompression" -> true // expired token
      else -> false
    }
  }

    runs-on: ubuntu-latest
    permissions:
      # Needed to upload the results to code-scanning dashboard.
      security-events: write
      # Needed to publish results and get a badge (see publish_results below).
      id-token: write

    steps:
      - name: "Checkout code"
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          persist-credentials: false

      - name: "Run analysis"

  # SECURITY OPTIONS

  # Retrieve syncz debug information directly from the control plane, using token security
  # (This is the usual way to get the debug information with an out-of-cluster control plane.)
  istioctl x internal-debug syncz --xds-address istio.cloudprovider.example.com:15012

  # Retrieve syncz debug information via Kubernetes config, using token security
  # (This is the usual way to get the debug information with an in-cluster control plane.)

    private ArrayList<InetAddress> userAddresses;
    private List<KerberosAuthData> userAuthorizations;


    public KerberosEncData ( byte[] token, Map<Integer, KerberosKey> keys ) throws PACDecodingException {
        ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token));
        ASN1TaggedObject derToken;
        try {
            derToken = ASN1Util.as(ASN1TaggedObject.class, stream);

Das ist derselbe Mechanismus, der verwendet wird, wenn Sie beim Anmelden mit Facebook, Google, GitHub, usw. Berechtigungen erteilen:

<img src="/img/tutorial/security/image11.png">

## JWT-Token mit Scopes

Ändern Sie nun die Token-*Pfadoperation*, um die angeforderten Scopes zurückzugeben.