root/galaxy-central/lib/galaxy/web/framework/middleware/xforwardedhost.py

リビジョン 2, 1.0 KB (コミッタ: hatakeyama, 14 年 前)

import galaxy-central
行番号 
1class XForwardedHostMiddleware( object ):
2    """
3    A WSGI middleware that changes the HTTP host header in the WSGI environ
4    based on the X-Forwarded-Host header IF found
5    """
6    def __init__( self, app, global_conf=None ):
7        self.app = app
8    def __call__( self, environ, start_response ):
9        x_forwarded_host = environ.get( 'HTTP_X_FORWARDED_HOST', None )
10        if x_forwarded_host:
11            environ[ 'ORGINAL_HTTP_HOST' ] = environ[ 'HTTP_HOST' ]
12            environ[ 'HTTP_HOST' ] = x_forwarded_host
13        x_forwarded_for = environ.get( 'HTTP_X_FORWARDED_FOR', None )
14        if x_forwarded_for:
15            environ[ 'ORGINAL_REMOTE_ADDR' ] = environ[ 'REMOTE_ADDR' ]
16            environ[ 'REMOTE_ADDR' ] = x_forwarded_for
17        x_url_scheme = environ.get( 'HTTP_X_URL_SCHEME', None )
18        if x_url_scheme:
19            environ[ 'original_wsgi.url_scheme' ] = environ[ 'wsgi.url_scheme' ]
20            environ[ 'wsgi.url_scheme' ] = x_url_scheme
21        return self.app( environ, start_response )
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