Código del controladorsrc/Controller/SecurityController.php at line 111

public function whatwedo(Request $request, AuthenticationUtils $helper): Response
{
 // this statement solves an edge-case: if you change the locale in the login
    // page, after a successful login you are redirected to a page in the previous
    // locale. This code regenerates the referrer URL whenever the login page is
    // browsed, to ensure that its locale is always the current one.
    $this->saveTargetPath($request->getSession(), 'main', $this->generateUrl('admin_index'));

    return $this->render('security/whatwedo.html.twig', [
        // last username entered by the user (if any)
        'last_username' => $helper->getLastUsername(),
        // last authentication error (if any)
        'error' => $helper->getLastAuthenticationError(),
    ]);
}

Código de la plantilla Twigtemplates/security/whatwedo.html.twig at line 1

{% extends 'base.html.twig' %}

{% block body_id 'whatwedo' %}

{% block main %}
    {% if error %}
        <div class="alert alert-danger">
            {{ error.messageKey|trans(error.messageData, 'security') }}
        </div>
    {% endif %}

    <div class="row">
    <div class="well well-lg">
        <p>
            {{ 'content.whatwedo'|trans|raw }}
        </p>
        <p>
            {{ 'help.more_information'|trans|raw }}
        </p>
    </div>

        <div id="login-help" class="col-sm-7">


        </div>
    </div>
{% endblock %}

{% block sidebar %}
    {{ parent() }}

    {{ show_source_code(_self) }}
{% endblock %}