Symfony2: Example of how can we after login, redirect to the original page after login.

login.html.twig

<form class="form-signin" action="{{ path("fos_user_security_check") }}" method="post">
    <h2 class="form-signin-heading">Conectarse</h2>
    <input type="hidden" name="_csrf_token" value="{{ csrf_token }}" />
    <div class="control-group">
        <div class="controls">
            <input type="text" class="input-block-level" id="username" name="_username" value="{{ last_username }}" required="required" placeholder="Usuario" />
        </div>
    </div>
    <div class="control-group">
        <div class="controls">
            <input type="password" class="input-block-level" id="password" name="_password" required="required" placeholder="Contraseña" />
        </div>
    </div>
    <hr>
    <input type="hidden" name="_target_path" value="{{ app.request.headers.get('referer') }}" />
    <input type="submit" class="btn btn-large btn-block btn-primary" id="_submit" name="_submit" value="{{ 'security.login.submit'|trans({}, 'FOSUserBundle') }}" />

    {% if error %}
        <div>{{ error|trans({}, 'FOSUserBundle') }}</div>
    {% endif %}
</form>