|
|
# -*- coding: utf-8 -*-
|
|
|
# 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 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 General Public License for more details.
|
|
|
#
|
|
|
# You should have received a copy of the GNU General Public License
|
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
"""
|
|
|
kallithea.lib.middleware.https_fixup
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
|
middleware to handle https correctly
|
|
|
|
|
|
This file was forked by the Kallithea project in July 2014.
|
|
|
Original author and date, and relevant copyright and licensing information is below:
|
|
|
:created_on: May 23, 2010
|
|
|
:author: marcink
|
|
|
:copyright: (c) 2013 RhodeCode GmbH, and others.
|
|
|
:license: GPLv3, see LICENSE.md for more details.
|
|
|
"""
|
|
|
|
|
|
|
|
|
from kallithea.lib.utils2 import str2bool
|
|
|
|
|
|
|
|
|
class HttpsFixup(object):
|
|
|
|
|
|
def __init__(self, app, config):
|
|
|
self.application = app
|
|
|
self.config = config
|
|
|
|
|
|
def __call__(self, environ, start_response):
|
|
|
self.__fixup(environ)
|
|
|
debug = str2bool(self.config.get('debug'))
|
|
|
is_ssl = environ['wsgi.url_scheme'] == 'https'
|
|
|
|
|
|
def custom_start_response(status, headers, exc_info=None):
|
|
|
if is_ssl and str2bool(self.config.get('use_htsts')) and not debug:
|
|
|
headers.append(('Strict-Transport-Security',
|
|
|
'max-age=8640000; includeSubDomains'))
|
|
|
return start_response(status, headers, exc_info)
|
|
|
|
|
|
return self.application(environ, custom_start_response)
|
|
|
|
|
|
def __fixup(self, environ):
|
|
|
"""
|
|
|
Function to fixup the environ as needed. In order to use this
|
|
|
middleware you should set this header inside your
|
|
|
proxy ie. nginx, apache etc.
|
|
|
"""
|
|
|
# DETECT PROTOCOL !
|
|
|
if 'HTTP_X_URL_SCHEME' in environ:
|
|
|
proto = environ.get('HTTP_X_URL_SCHEME')
|
|
|
elif 'HTTP_X_FORWARDED_SCHEME' in environ:
|
|
|
proto = environ.get('HTTP_X_FORWARDED_SCHEME')
|
|
|
elif 'HTTP_X_FORWARDED_PROTO' in environ:
|
|
|
proto = environ.get('HTTP_X_FORWARDED_PROTO')
|
|
|
else:
|
|
|
proto = 'http'
|
|
|
org_proto = proto
|
|
|
|
|
|
# if we have force, just override
|
|
|
if str2bool(self.config.get('force_https')):
|
|
|
proto = 'https'
|
|
|
|
|
|
environ['wsgi.url_scheme'] = proto
|
|
|
environ['wsgi._org_proto'] = org_proto
|
|
|
|
