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