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# -*- coding: utf-8 -*-
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"""
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rhodecode.lib.middleware.https_fixup
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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middleware to handle https correctly
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:created_on: May 23, 2010
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:author: marcink
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:copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>
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:license: GPLv3, see COPYING for more details.
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"""
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from pylons.controllers.util import Request
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from rhodecode.lib.utils2 import str2bool
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class HttpsFixup(object):
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def __init__(self, app, config):
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self.application = app
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self.config = config
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def __call__(self, environ, start_response):
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self.__fixup(environ)
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debug = str2bool(self.config.get('debug'))
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if str2bool(self.config.get('use_htsts')) and not debug:
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req = Request(environ, self.application)
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resp = req.get_response(self.application)
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if environ['wsgi.url_scheme'] == 'https':
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resp.headers['Strict-Transport-Security'] = \
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'max-age=8640000; includeSubDomains'
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return resp(environ, start_response)
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return self.application(environ, start_response)
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def __fixup(self, environ):
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"""
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Function to fixup the environ as needed. In order to use this
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middleware you should set this header inside your
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proxy ie. nginx, apache etc.
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"""
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# DETECT PROTOCOL !
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if 'HTTP_X_URL_SCHEME' in environ:
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proto = environ.get('HTTP_X_URL_SCHEME')
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elif 'HTTP_X_FORWARDED_SCHEME' in environ:
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proto = environ.get('HTTP_X_FORWARDED_SCHEME')
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elif 'HTTP_X_FORWARDED_PROTO' in environ:
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proto = environ.get('HTTP_X_FORWARDED_PROTO')
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else:
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proto = 'http'
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org_proto = proto
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# if we have force, just override
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if str2bool(self.config.get('force_https')):
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proto = 'https'
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environ['wsgi.url_scheme'] = proto
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environ['wsgi._org_proto'] = org_proto
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