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40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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# SPDX-License-Identifier: MIT
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"""
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Allows MBS to run behind reverse proxy and to ensure redirects work with https.
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WSGI Middleware!!
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Source: http://flask.pocoo.org/snippets/35/ by Peter Hansen
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"""
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class ReverseProxy(object):
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"""Wrap the application in this middleware and configure the
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front-end server to add these headers, to let you quietly bind
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this to a URL other than / and to an HTTP scheme that is
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different than what is used locally.
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:param app: the WSGI application
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"""
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def __init__(self, app):
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self.app = app
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def __call__(self, environ, start_response):
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script_name = environ.get("HTTP_X_SCRIPT_NAME", "")
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if script_name:
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environ["SCRIPT_NAME"] = script_name
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path_info = environ["PATH_INFO"]
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if path_info.startswith(script_name):
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environ["PATH_INFO"] = path_info[len(script_name):]
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server = environ.get("HTTP_X_FORWARDED_HOST", "")
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if server:
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environ["HTTP_HOST"] = server
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scheme = environ.get("HTTP_X_SCHEME", "")
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if scheme:
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environ["wsgi.url_scheme"] = scheme
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return self.app(environ, start_response)
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