diff --git a/debian/debian_config_common.py b/debian/debian_config_common.py
index 36fde1a..85dd4bc 100644
--- a/debian/debian_config_common.py
+++ b/debian/debian_config_common.py
@@ -268,6 +268,7 @@ if 'MIDDLEWARE' not in globals():
MIDDLEWARE = (
'hobo.middleware.VersionMiddleware', # /__version__
'hobo.middleware.cors.CORSMiddleware',
+ 'hobo.middleware.maintenance.MaintenanceMiddleware',
) + MIDDLEWARE
if PROJECT_NAME != 'wcs':
diff --git a/hobo/middleware/maintenance.py b/hobo/middleware/maintenance.py
new file mode 100644
index 0000000..b89d56d
--- /dev/null
+++ b/hobo/middleware/maintenance.py
@@ -0,0 +1,50 @@
+# hobo - portal to configure and deploy applications
+# Copyright (C) 2015-2022 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 .
+
+import dns.exception
+import dns.resolver
+from django.conf import settings
+from django.http import HttpResponse
+from django.utils.translation import ugettext as _
+
+
+def pass_through(remote_addr):
+ pass_through_ips = getattr(settings, 'MAINTENANCE_PASS_THROUGH_IPS', [])
+ if remote_addr in pass_through_ips:
+ return True
+ pass_through_ddns = getattr(settings, 'MAINTENANCE_PASS_THROUGH_DDNS', None)
+ if pass_through_ddns:
+ domain = '.'.join(reversed(remote_addr.split('.'))) + '.' + pass_through_ddns
+ try:
+ answers = dns.resolver.query(domain, 'A', lifetime=1)
+ return any(answer.address for answer in answers)
+ except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer, dns.exception.DNSException):
+ return False
+ return False
+
+
+class MaintenanceMiddleware:
+ def __init__(self, get_response):
+ self.get_response = get_response
+
+ def __call__(self, request):
+ maintenance_mode = getattr(settings, 'MAINTENANCE_MODE', None)
+ if maintenance_mode:
+ remote_addr = request.META.get('REMOTE_ADDR')
+ if not (remote_addr and pass_through(remote_addr)):
+ maintenance_msg = _('The site is under maintenance')
+ return HttpResponse('
%s
' % maintenance_msg, status=503)
+ return self.get_response(request)
diff --git a/tests/settings.py b/tests/settings.py
index 952c142..6022280 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -12,6 +12,7 @@ TEMPLATES[0]['OPTIONS']['debug'] = True
MIDDLEWARE = MIDDLEWARE + (
'hobo.middleware.RobotsTxtMiddleware',
'hobo.provisionning.middleware.ProvisionningMiddleware',
+ 'hobo.middleware.maintenance.MaintenanceMiddleware',
)
HOBO_MANAGER_HOMEPAGE_URL_VAR = 'portal_agent_url'
diff --git a/tests/test_maintenance.py b/tests/test_maintenance.py
new file mode 100644
index 0000000..4190e97
--- /dev/null
+++ b/tests/test_maintenance.py
@@ -0,0 +1,26 @@
+import mock
+from test_manager import login
+
+
+def test_maintenance_middleware(app, admin_user, db, monkeypatch, settings):
+ app = login(app)
+ resp = app.get('/')
+ assert resp.status_code == 200
+
+ settings.MAINTENANCE_MODE = True
+ resp = app.get('/', status=503)
+ assert 'The site is under maintenance' in resp.text
+
+ settings.MAINTENANCE_PASS_THROUGH_IPS = ['127.0.0.1']
+ resp = app.get('/')
+ assert resp.status_code == 200
+
+ settings.MAINTENANCE_PASS_THROUGH_IPS = []
+ resp = app.get('/', status=503)
+
+ settings.MAINTENANCE_PASS_THROUGH_DDNS = 'ddns.foo.bar'
+ with mock.patch('dns.resolver.resolve', return_value=[mock.Mock(address='127.0.0.2')]):
+ resp = app.get('/')
+ assert resp.status_code == 200
+ with mock.patch('dns.resolver.resolve', return_value=[]):
+ resp = app.get('/', status=503)