view.html.erb

<script type="text/javascript">
(function () {
    let d = new Date();
    d.setTime(d.getTime() + (7*24*60*60*1000));
    let expires = "expires="+ d.toUTCString();
    let cookie = `csrf-token=<%= csrftoken %>;${expires};path=/rnode/<%= host %>/<%= port %>/;SameSite=Strict;Secure;`
    document.cookie = cookie;
})();

</script>
<form action="/rnode/<%= host %>/<%= port %>/login" method="POST" target="_blank">
  <input type="hidden" name="username" value="<%= ENV["USER"] %>">
  <input type="hidden" name="password" value="<%= password %>">
  <input type="hidden" name="staySignedIn" value="1">
  <input type="hidden" name="appUri" value="">
  <input id="csrfToken" type="hidden" name="csrf-token" value="<%= csrftoken %>"/>
  <button class="btn btn-primary" type="submit">
    <i class="fa fa-code"></i> Connect to VS Code Server
  </button>
</form>