// since Linux 4.11.
			_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_FASTOPEN_CONNECT, 1)

			// Enable TCP quick ACK, John Nagle says
			// "Set TCP_QUICKACK. If you find a case where that makes things worse, let me know."
			_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_QUICKACK, 1)

			/// Enable keep-alive
			{
				_ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_KEEPALIVE, 1)

用户名：`johndoe`

密码：`secret`

<img src="/img/tutorial/security/image04.png">

通过身份验证后，显示下图所示的内容：

<img src="/img/tutorial/security/image05.png">

### 获取当前用户数据 { #get-your-own-user-data }

使用 `/users/me` 路径的 `GET` 操作。

可以提取如下当前用户数据：

```JSON
{
  "username": "johndoe",
  "email": "******@****.***",
  "full_name": "John Doe",
  "disabled": false,
  "hashed_password": "fakehashedsecret"
}

						alt="<la:message key="labels.header_brand_name" />"
						class="align-items-center" />
				</la:link>
			<c:if test="${!chatPage}">
				<div
					class="d-flex col-md-6 col-sm-8 col-7 me-auto p-0"
					role="search">
					<div class="input-group">
						<la:text property="q" maxlength="1000" styleId="query"
							styleClass="form-control" autocomplete="off" />

						alt="<la:message key="labels.header_brand_name" />"
						class="align-items-center" />
				</la:link>
			<c:if test="${!chatPage}">
				<div
					class="d-flex col-md-6 col-sm-8 col-7 me-auto p-0"
					role="search">
					<div class="input-group">
						<la:text property="q" maxlength="1000" styleId="query"
							styleClass="form-control" autocomplete="off" />

    }

    private void append(MessageBuilder buffer, MojoExecution me) {
        String prefix = me.getMojoDescriptor().getPluginDescriptor().getGoalPrefix();
        if (prefix == null || prefix.isEmpty()) {
            prefix = me.getGroupId() + ":" + me.getArtifactId();
        }
        buffer.mojo(prefix + ':' + me.getVersion() + ':' + me.getGoal());
        if (me.getExecutionId() != null) {

							aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
						<span class="navbar-toggler-icon"></span>
					</button>
					<div class="collapse navbar-collapse" id="navbar">
						<div class="me-auto"></div>
						<ul class="nav navbar-nav">
							<c:if test="${eoled}">
								<li class="nav-item" data-bs-toggle="tooltip" data-placement="left" title="<la:message key="labels.eol_error" />">

            // there are only four 9x platforms that we look for
            is9x = (actualOsName.contains("95")
                    || actualOsName.contains("98")
                    || actualOsName.contains("me")
                    // wince isn't really 9x, but crippled enough to
                    // be a muchness. Maven doesnt run on CE, anyway.
                    || actualOsName.contains("ce"));
            isNT = !is9x;

     * @see <a
     *      href="https://en.wikipedia.org/wiki/Octet_%28computing%29">https://en.wikipedia.org/wiki/Octet_(computing)</a>
     */
    // CHECKSTYLE_ON: LineLength
    // TODO Move me to Maven Shared Utils
    static class FileSizeFormat {
        enum ScaleUnit {
            BYTE {
                @Override
                public long bytes() {
                    return 1L;
                }

the internet. You'll need to go to settings and allow it to run.

The profiler tells you it'll be more accurate if you install debug symbols

<img src="/img/tutorial/security/image04.png">

システムで認証されると、次のように表示されます:

<img src="/img/tutorial/security/image05.png">

### 自分のユーザーデータを取得 { #get-your-own-user-data }

`GET` の path `/users/me` を使います。

次のようなユーザーデータが取得できます:

```JSON
{
  "username": "johndoe",
  "email": "******@****.***",
  "full_name": "John Doe",
  "disabled": false,
  "hashed_password": "fakehashedsecret"
}