Symfony - Création d'un espace sécurisé (Views)

login.html.twig

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

{% block body %}
    <h1>Connexion</h1>
    {% if error %}
        <div class="alert alert-danger">{{ error.message }}</div>
    {% endif %}
    <form method="post" action="{{ path('login_check') }}" class="form-horizontal col-md-6 col-md-offset-2">
        <div class="form-group">
            <label class="control-label col-sm-4" id="inputUsername">Nom d'utilisateur</label>
            <div class="col-sm-8">
                <input type="text" id="inputUsername" name="_username" value="{{ last_username }}" class="form-control" />
            </div>
        </div>
        <div class="form-group">
            <label class="control-label col-sm-4" for="inputPassword">Mot de passe</label>
            <div class="col-sm-8">
                <input type="password" id="inputPassword" name="_password" class="form-control" />
            </div>
        </div>
        <div class="form-group">
            <div class="col-sm-8 col-sm-offset-4">
                <button class="btn btn-default">
                    <i class="glyphicon glyphicon-lock"></i> Se connecter
                </button>
            </div>
        </div>
    </form>
{% endblock %}