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annotate farol/proxy.py @ 3:3478e20885fd 0.1

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Add a ReverseProxy and fix the cache path everywhere
author Benoît Allard <benoit.allard@greenbone.net>
date Wed, 24 Sep 2014 17:46:44 +0200
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3478e20885fd Add a ReverseProxy and fix the cache path everywhere
Benoît Allard <benoit.allard@greenbone.net>
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1 # Code from http://flask.pocoo.org/snippets/35/
3478e20885fd Add a ReverseProxy and fix the cache path everywhere
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2 #
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3 # This snippet by Peter Hansen can be used freely for anything you like.
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4 # Consider it public domain.
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5
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6
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7 class ReverseProxied(object):
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8 '''Wrap the application in this middleware and configure the
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9 front-end server to add these headers, to let you quietly bind
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10 this to a URL other than / and to an HTTP scheme that is
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11 different than what is used locally.
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12
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13 In nginx:
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14 location /myprefix {
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15 proxy_pass http://192.168.0.1:5001;
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16 proxy_set_header Host $host;
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17 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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18 proxy_set_header X-Scheme $scheme;
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19 proxy_set_header X-Script-Name /myprefix;
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20 }
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21
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22 :param app: the WSGI application
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23 '''
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24 def __init__(self, app):
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25 self.app = app
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26
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27 def __call__(self, environ, start_response):
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28 script_name = environ.get('HTTP_X_SCRIPT_NAME', '')
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29 if script_name:
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30 environ['SCRIPT_NAME'] = script_name
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31 path_info = environ['PATH_INFO']
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32 if path_info.startswith(script_name):
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33 environ['PATH_INFO'] = path_info[len(script_name):]
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34
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35 scheme = environ.get('HTTP_X_SCHEME', '')
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36 if scheme:
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37 environ['wsgi.url_scheme'] = scheme
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38 return self.app(environ, start_response)
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