openproject/app/views/users/form/authentication/_form.html.erb

<section class="form--section">
  <% if current_user.admin? || can_users_have_auth_source? || @user.uses_external_authentication? %>
    <h3 class="form--section-title"><%=t(:label_authentication)%></h3>
  <% end %>

  <% if @user.uses_external_authentication? %>
    <%= render partial: 'users/form/authentication/external', locals: { f: f } %>
  <% else %>
    <%= render partial: 'users/form/authentication/auth_source', locals: { f: f } %>

    <% if current_user.admin? %>
      <%= render partial: 'users/form/authentication/internal', locals: { f: f } %>
    <% end %>
  <% end %>
</section>