template    *template.Template
}

func NewGoTemplatePrinter(tmpl []byte) (*GoTemplatePrinter, error) {
	t, err := template.New("output").
		Funcs(template.FuncMap{
			"exists":       exists,
			"base64decode": base64decode,
		}).
		Parse(string(tmpl))
	if err != nil {
		return nil, err
	}
	return &GoTemplatePrinter{
		rawTemplate: string(tmpl),
		template:    t,
	}, nil
}

		{
			name:     "support base64 decoding of secret data",
			template: "{{ .data.username | base64decode }}",
			obj: &v1.Secret{
				Data: map[string][]byte{
					"username": []byte("hunter"),
				},
			},
			expectOut: "hunter",
		},
		{
			name:     "test error path for base64 decoding",
			template: "{{ .data.username | base64decode }}",
			obj:      &badlyMarshaledSecret{},
			expectErr: func(err error) (string, bool) {

([#64248](https://github.com/kubernetes/kubernetes/pull/64248), [@feiskyer](https://github.com/feiskyer))

### SIG CLI

* You can now use the `base64decode` function in kubectl go templates to decode base64-encoded data, such as `kubectl get secret SECRET -o go-template='{{ .data.KEY | base64decode }}'`. ([#60755](https://github.com/kubernetes/kubernetes/pull/60755), [@glb](https://github.com/glb))

	if timeout > 0 {
		ws.SetDeadline(time.Now().Add(timeout))
	}
}

func messageCopy(ws *websocket.Conn, r io.Reader, base64Encode, ping bool, timeout time.Duration) error {
	buf := make([]byte, 2048)
	if ping {
		resetTimeout(ws, timeout)
		if base64Encode {
			if err := websocket.Message.Send(ws, ""); err != nil {
				return err
			}
		} else {

        }
        connection.setRequestProperty("Authorization", "Basic " + base64Encode(userInfo));
    }

    /**
     * Base64 encode user info for HTTP Basic Authentication.
     *
     * Try to use {@literal java.util.Base64} encoder which is available starting with Java 8.

download(java.net.URI, java.io.File) throws Exception; private void downloadInternal(java.net.URI, java.io.File) throws Exception; private void addBasicAuthenticati(java.net.URI, java.net.URLConnection) throws java.io.IOException; private String base64Encode(String); private String calculateUserInfo(java.net.URI); private String calculateUserAgent(); } org/apache/maven/wrapper/Downloader.class package org.apache.maven.wrapper; public abstract interface Downloader { public abstract void download(java.net.URI,...

Exception; private void downloadInternal(java.net.URI, java.io.File) throws Exception; static java.net.URI safeUri(java.net.URI); private void addBasicAuthenticati(java.net.URI, java.net.URLConnection) throws java.io.IOException; private String base64Encode(String); private String calculateUserInfo(java.net.URI); private String calculateUserAgent(); } org/gradle/wrapper/DownloadProgressList.class package org.gradle.wrapper; public abstract interface DownloadProgressList { public abstract void dow...