view.html.erb

<%
  require 'digest'

  # Generate form id, based on host and port
  form_id = Digest::SHA1.hexdigest("--" + host.to_s + "--" + port.to_s + "--")

  # Generate SHA256 digest of Code Server Password
  cookieValue = Digest::SHA256.hexdigest(password)
%>

<script type="text/javascript">
(function () {
  let date = new Date()
  date.setTime(date.getTime() + (7*24*60*60*1000))
  let expires = "expires=" + date.toUTCString()
  let cookiePath = "path=/rnode/" + "<%= host.to_s %>" + "/" + "<%= port.to_s %>/";
  /**
    We have to use "key" as the cookie name since upstream in cdr/code-server
    the authentication cookie is hard coded "key"
  */
  let cookie = `key=<%= cookieValue %>;${expires};${cookiePath};secure`;
  document.cookie = cookie;
})();
</script>

<% if code_server_version == '4.8.3' %>
<form id="<%= form_id %>" action="/rnode/<%= host %>/<%= port %>/login?to=" method="post" target="_blank">
  <input type="hidden" name="password" value="<%= password %>">
<% else %>
<form id="<%= form_id %>" action="/rnode/<%= host %>/<%= port %>/" method="get" target="_blank">
<% end %>
  <button class="btn btn-primary" type="submit">
    <i class="fa fa-cogs"></i> Connect to VS Code
  </button>
</form>