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https://github.com/JonathanHerrewijnen/calibre-web.git
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40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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class ReverseProxied(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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Code courtesy of: http://flask.pocoo.org/snippets/35/
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In nginx:
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location /myprefix {
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proxy_pass http://127.0.0.1:8083;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Scheme $scheme;
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proxy_set_header X-Script-Name /myprefix;
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}
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"""
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def __init__(self, application):
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self.app = application
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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.get('PATH_INFO', '')
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if path_info and path_info.startswith(script_name):
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environ['PATH_INFO'] = path_info[len(script_name):]
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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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servr = environ.get('HTTP_X_FORWARDED_SERVER', '')
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if servr:
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environ['HTTP_HOST'] = servr
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return self.app(environ, start_response)
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