{* ../../docs_src/security/tutorial005_an_py310.py hl[106,108:116] *}

## Перевірте `username` і структуру даних { #verify-the-username-and-data-shape }

Ми перевіряємо, що отримали `username`, і видобуваємо scopes.

    /**
     * The protocol scheme (http, https).
     */
    @Size(max = 10)
    public String protocolScheme;

    /**
     * The username for authentication.
     */
    @Required
    @Size(max = 100)
    public String username;

    /**
     * The password for authentication.
     */
    @Size(max = 100)
    public String password;

    /**

    /** The protocol scheme for file access (maximum 10 characters). */
    @Size(max = 10)
    public String protocolScheme;

    /** The username for file authentication (required, maximum 100 characters). */
    @Required
    @Size(max = 100)
    public String username;

    /** The password for file authentication (maximum 100 characters). */
    @Size(max = 100)
    public String password;

Nie wieder falsche Schlüsselnamen tippen, Hin und Herhüpfen zwischen der Dokumentation, Hoch- und Runterscrollen, um herauszufinden, ob es `username` oder `user_name` war.

### Kompakt { #short }

    private static final String DOMAIN = Config.getProperty("jcifs.smb1.smb.client.domain", null);
    private static final String USERNAME = Config.getProperty("jcifs.smb1.smb.client.username", null);
    private static final int CACHE_POLICY = Config.getInt("jcifs.smb1.netbios.cachePolicy", 60 * 10) * 60; /* 10 hours */

    static NbtAddress[] dc_list = null;

from fastapi import FastAPI, Form
from pydantic import BaseModel

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str


@app.post("/login/")
async def login(data: FormData = Form()):

                }
            }
        }
        configPath = convertCrawlingPath(buf.toString());

        final String username = systemHelper.getUsername();
        final long now = systemHelper.getCurrentTimeAsLong();

        try {
            if (isWebCrawlingPath(configPath)) {
                // web

from typing import Annotated

from fastapi import FastAPI, Form
from pydantic import BaseModel

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str


@app.post("/login/")
async def login(data: Annotated[FormData, Form()]):

// factory receiver.  This constructor will normalize the username, password
// and authzID via the SASLprep algorithm, as recommended by RFC-5802.  If
// SASLprep fails, the method returns an error.
func (x *XDGSCRAMClient) Begin(userName, password, authzID string) (err error) {
	x.Client, err = x.NewClient(userName, password, authzID)
	if err != nil {
		return err
	}

from typing import Annotated

from fastapi import FastAPI, Form
from pydantic import BaseModel

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str
    model_config = {"extra": "forbid"}


@app.post("/login/")
async def login(data: Annotated[FormData, Form()]):