openproject/app/views/admin/settings/attachments_settings/show.html.erb

<%#-- copyright
OpenProject is an open source project management software.
Copyright (C) 2012-2021 the OpenProject GmbH

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 3.

OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
Copyright (C) 2006-2013 Jean-Philippe Lang
Copyright (C) 2010-2013 the ChiliProject Team

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

See COPYRIGHT and LICENSE files for more details.

++#%>
<%= toolbar title: t(:'attributes.attachments') %>

<%= styled_form_tag(admin_settings_update_attachments_path, method: :patch) do %>
  <section class="form--section">
    <div class="form--field">
      <%= setting_text_field :attachment_max_size, size: 6, unit: t(:"number.human.storage_units.units.kb"), container_class: '-slim' %>
    </div>
    <div class="form--field">
      <%= setting_text_area :attachment_whitelist, rows: 5, container_class: '-wide' %>
      <div class="form--field-instructions">
        <%= t('settings.attachments.whitelist_text_html',
              ext_example: '*.jpg',
              mime_example: 'image/jpeg',
              ) %>
      </div>
    </div>
  </section>

  <%= styled_button_tag t(:button_save), class: '-highlight -with-icon icon-checkmark' %>
<% end %>