misc: change admin to use front login/logout (#21910)

combo/public/admin.py

@@ -0,0 +1,35 @@
+# combo - content management system
+# Copyright (C) 2014-2018  Entr'ouvert
+#
+# 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/>.
+
+from django.contrib import admin
+from django.core.urlresolvers import reverse
+from django.shortcuts import redirect
+from django.views.decorators.cache import never_cache
+
+
+@never_cache
+def login(request, extra_context=None):
+    auth_login_url = reverse('auth_login')
+    auth_login_url += '?%s' % request.GET.urlencode()
+    return redirect(auth_login_url)
+
+admin.site.login = login
+
+@never_cache
+def logout(request, extra_context=None):
+    return redirect(reverse('auth_logout'))
+
+admin.site.logout = logout

tests/test_manager.py

@@ -14,6 +14,7 @@ from django.template import TemplateSyntaxError
 from django.test import override_settings
 from django.utils.http import urlencode
 from django.utils.six import BytesIO
+from django.utils.six.moves.urllib import parse as urlparse
 
 import pytest
 from webtest import TestApp
@@ -974,3 +975,16 @@ def test_page_versionning(app, admin_user):
     assert Page.objects.count() == 1
     assert TextCell.objects.count() == 3
     assert JsonCell.objects.count() == 0
+
+def test_django_admin(app, admin_user):
+    resp = app.get('/admin/')
+    resp = resp.follow()  # -> /admin/login/
+    resp = resp.follow()  # -> /login/
+    resp.form['username'] = 'admin'
+    resp.form['password'] = 'admin'
+    resp = resp.form.submit()
+    resp = resp.follow()  # -> /admin/
+    assert '/admin/logout/' in resp.text
+    resp = resp.click(href='/admin/logout/')
+    resp = resp.follow()  # -> /logout/
+    assert urlparse.urlparse(resp.location).path == '/'