return authTypeAnonymous
	}
	return authTypeUnknown
}

func validateAdminSignature(ctx context.Context, r *http.Request, region string) (auth.Credentials, bool, APIErrorCode) {
	var cred auth.Credentials
	var owner bool
	s3Err := ErrAccessDenied
	if _, ok := r.Header[xhttp.AmzContentSha256]; ok &&
		getRequestAuthType(r) == authTypeSigned {

# HTTP Basic Auth

For the simplest cases, you can use HTTP Basic Auth.

In HTTP Basic Auth, the application expects a header that contains a username and a password.

If it doesn't receive it, it returns an HTTP 401 "Unauthorized" error.

And returns a header `WWW-Authenticate` with a value of `Basic`, and an optional `realm` parameter.

That tells the browser to show the integrated prompt for a username and password.

# HTTP Basic Auth

Para os casos mais simples, você pode utilizar o HTTP Basic Auth.

No HTTP Basic Auth, a aplicação espera um cabeçalho que contém um usuário e uma senha.

Caso ela não receba, ela retorna um erro HTTP 401 "Unauthorized" (*Não Autorizado*).

E retorna um cabeçalho `WWW-Authenticate` com o valor `Basic`, e um parâmetro opcional `realm`.

Isso sinaliza ao navegador para mostrar o prompt integrado para um usuário e senha.

# HTTP 基础授权

最简单的用例是使用 HTTP 基础授权（HTTP Basic Auth）。

在 HTTP 基础授权中，应用需要请求头包含用户名与密码。

如果没有接收到 HTTP 基础授权，就返回 HTTP 401 `"Unauthorized"` 错误。

并返回含 `Basic` 值的请求头 `WWW-Authenticate`以及可选的 `realm` 参数。

HTTP 基础授权让浏览器显示内置的用户名与密码提示。

输入用户名与密码后，浏览器会把它们自动发送至请求头。

## 简单的 HTTP 基础授权

* 导入 `HTTPBasic` 与 `HTTPBasicCredentials`
* 使用 `HTTPBasic` 创建**安全概图**
* 在*路径操作*的依赖项中使用 `security`
* 返回类型为 `HTTPBasicCredentials` 的对象：

# HTTP Basic Auth

Für die einfachsten Fälle können Sie <abbr title="HTTP-Basisauthentifizierung">HTTP Basic Auth</abbr> verwenden.

Bei HTTP Basic Auth erwartet die Anwendung einen Header, der einen Benutzernamen und ein Passwort enthält.

Wenn sie diesen nicht empfängt, gibt sie den HTTP-Error 401 „Unauthorized“ zurück.

Und gibt einen Header `WWW-Authenticate` mit dem Wert `Basic` und einem optionalen `realm`-Parameter („Bereich“) zurück.

Sebastián Ramírez <******@****.***> 1728247014 +0200

	return globalAuthZPlugin
}

func setGlobalAuthNPlugin(authn *idplugin.AuthNPlugin) {
	globalAuthPluginMutex.Lock()
	globalAuthNPlugin = authn
	globalAuthPluginMutex.Unlock()
}

func setGlobalAuthZPlugin(authz *polplugin.AuthZPlugin) {
	globalAuthPluginMutex.Lock()
	globalAuthZPlugin = authz
	globalAuthPluginMutex.Unlock()
}

	// From OpenID
	if riMap := sys.OpenIDConfig.GetRoleInfo(); riMap != nil {
		sys.validateAndAddRolePolicyMappings(ctx, riMap)
	}

	// From AuthN plugin if enabled.
	if authn := newGlobalAuthNPluginFn(); authn != nil {
		riMap := authn.GetRoleInfo()
		sys.validateAndAddRolePolicyMappings(ctx, riMap)
	}

	// Load IAM data from storage.
	for {
		if err := sys.Load(retryCtx, true); err != nil {

	if !globalIAMSys.Initialized() {
		writeSTSErrorResponse(ctx, w, ErrSTSIAMNotInitialized, errIAMNotInitialized)
		return
	}

	authn := newGlobalAuthNPluginFn()
	if authn == nil {
		writeSTSErrorResponse(ctx, w, ErrSTSNotInitialized, errors.New("STS API 'AssumeRoleWithCustomToken' is disabled"))
		return
	}

	action := r.Form.Get(stsAction)

import java.util.Properties;

import org.apache.http.auth.AuthScheme;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.NTCredentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.auth.BasicScheme;
import org.apache.http.impl.auth.DigestScheme;
import org.apache.http.impl.auth.NTLMScheme;
import org.apache.logging.log4j.LogManager;