For this simple example, we are going to just be completely insecure and return the same `username` as the token.

!!! tip
    In the next chapter, you will see a real secure implementation, with password hashing and <abbr title="JSON Web Tokens">JWT</abbr> tokens.

    But for now, let's focus on the specific details we need.

=== "Python 3.10+"

    ```Python hl_lines="87"
    {!> ../../../docs_src/security/tutorial003_an_py310.py!}

다음과 같이 시작하는 JSON을 확인할 수 있습니다:

```JSON
{
    "openapi": "3.0.2",
    "info": {
        "title": "FastAPI",
        "version": "0.1.0"
    },
    "paths": {
        "/items/": {
            "get": {
                "responses": {
                    "200": {

            task javadoc(type: Javadoc) {
                destinationDir = file("build/javadoc")
                source "src/main/java"
                options {
                    windowTitle = "Window title"
                }
            }
        """

        writeSourceFile()

        when:
        run "javadoc"
        then:
        executedAndNotSkipped(":javadoc")

        when:

	ec.errors = append(ec.errors, strings.TrimSuffix(fmt.Sprintln(args...), "\n"))
	ec.UI.PrintErr(args...)
}

// webArgs contains arguments passed to templates in webhtml.go.
type webArgs struct {
	Title       string
	Errors      []string
	Total       int64
	SampleTypes []string
	Legend      []string
	Standalone  bool // True for command-line generation of HTML
	Help        map[string]string
	Nodes       []string

	if v.ForbiddenGenerics.Default.Object != nil {
		allErrs = append(allErrs, field.Forbidden(fldPath.Child("default"), "must be undefined to be structural"))
	}
	if len(v.ForbiddenGenerics.Title) > 0 {
		allErrs = append(allErrs, field.Forbidden(fldPath.Child("title"), "must be empty to be structural"))
	}
	if len(v.ForbiddenGenerics.Description) > 0 {

次の場所で直接確認できます: <a href="http://127.0.0.1:8000/openapi.json" class="external-link" target="_blank">http://127.0.0.1:8000/openapi.json</a>.

次のようなJSONが表示されます。

```JSON
{
    "openapi": "3.0.2",
    "info": {
        "title": "FastAPI",
        "version": "0.1.0"
    },
    "paths": {
        "/items/": {
            "get": {
                "responses": {
                    "200": {

  different than this Agreement, provided that such license:
     i) effectively disclaims on behalf of all other Contributors all
     warranties and conditions, express and implied, including
     warranties or conditions of title and non-infringement, and
     implied warranties or conditions of merchantability and fitness
     for a particular purpose;

     ii) effectively excludes on behalf of all other Contributors all

 *
 * <p>For testing against the returned instances from a static factory class, such as
 *
 * <pre>
 * interface Book {...}
 * public class Books {
 *   public static Book hardcover(String title) {...}
 *   public static Book paperback(String title) {...}
 * }
 * </pre>
 *
 * <p>please use {@link ClassSanityTester#forAllPublicStaticMethods}.
 *

	g, origCount, droppedNodes, droppedEdges := rpt.newTrimmedGraph()
	rpt.selectOutputUnit(g)
	labels := reportLabels(rpt, g, origCount, droppedNodes, droppedEdges, true)

	c := &graph.DotConfig{
		Title:       rpt.options.Title,
		Labels:      labels,
		FormatValue: rpt.formatValue,
		Total:       rpt.total,
	}
	return g, c
}

// printDOT prints an annotated callgraph in DOT format.

 *
 * <p>For testing against the returned instances from a static factory class, such as
 *
 * <pre>
 * interface Book {...}
 * public class Books {
 *   public static Book hardcover(String title) {...}
 *   public static Book paperback(String title) {...}
 * }
 * </pre>
 *
 * <p>please use {@link ClassSanityTester#forAllPublicStaticMethods}.
 *