cockpit: add list of valid urls to access the app.

Closes #1649

Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

plinth/modules/cockpit/__init__.py

@@ -44,6 +44,8 @@ managed_packages = ['cockpit']
 
 name = _('Cockpit')
 
+icon_filename = 'cockpit'
+
 short_description = _('Server Administration')
 
 description = [

plinth/modules/cockpit/templates/cockpit.html

@@ -0,0 +1,39 @@
+{% extends "app.html" %}
+{% comment %}
+#
+# This file is part of FreedomBox.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+{% endcomment %}
+{% load bootstrap %}
+{% load i18n %}
+
+{% block status %}
+  {{ block.super }}
+
+  <h3>{% trans "Access" %}</h3>
+
+  <p>
+    {% blocktrans trimmed %}
+        Cockpit will only work when accessed using the following URLs.
+    {% endblocktrans %}
+  </p>
+
+  <ol>
+    {% for url_ in urls %}
+    <li>{{ url_ }}</li>
+    {% endfor %}
+  </ol>
+{% endblock %}

plinth/modules/cockpit/urls.py

@@ -20,15 +20,8 @@ URLs for Cockpit module.
 
 from django.conf.urls import url
 
-from plinth.modules import cockpit
-from plinth.views import AppView
+from plinth.modules.cockpit.views import CockpitAppView
 
 urlpatterns = [
-    url(
-        r'^sys/cockpit/$',
-        AppView.as_view(app_id='cockpit', name=cockpit.name,
-                        diagnostics_module_name='cockpit',
-                        description=cockpit.description,
-                        show_status_block=True, clients=cockpit.clients,
-                        manual_page=cockpit.manual_page), name='index'),
+    url(r'^sys/cockpit/$', CockpitAppView.as_view(), name='index'),
 ]

plinth/modules/cockpit/views.py

@@ -0,0 +1,46 @@
+#
+# This file is part of FreedomBox.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+"""
+Views for the Cockpit module
+"""
+from plinth.views import AppView
+from plinth.modules.cockpit import (
+    name,
+    description,
+    clients,
+    manual_page,
+    icon_filename,
+)
+from plinth.modules.cockpit.utils import get_origin_domains, load_augeas
+
+
+class CockpitAppView(AppView):
+    app_id = 'cockpit'
+    name = name
+    description = description
+    diagnostics_module_name = 'cockpit'
+    show_status_block = True
+    clients = clients
+    manual_page = manual_page
+    template_name = 'cockpit.html'
+    icon_filename = icon_filename
+
+    def get_context_data(self, *args, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['urls'] = get_origin_domains(load_augeas())
+
+        return context