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Source code for galaxy.web.framework.middleware.xforwardedhost

[docs]class XForwardedHostMiddleware(object): """ A WSGI middleware that changes the HTTP host header in the WSGI environ based on the X-Forwarded-Host header IF found """
[docs] def __init__(self, app, global_conf=None): self.app = app
def __call__(self, environ, start_response): x_forwarded_host = environ.get('HTTP_X_FORWARDED_HOST', None) if x_forwarded_host: environ['ORGINAL_HTTP_HOST'] = environ['HTTP_HOST'] environ['HTTP_HOST'] = x_forwarded_host.split(', ', 1)[0] x_forwarded_for = environ.get('HTTP_X_FORWARDED_FOR', None) if x_forwarded_for: environ['ORGINAL_REMOTE_ADDR'] = environ['REMOTE_ADDR'] environ['REMOTE_ADDR'] = x_forwarded_for.split(', ', 1)[0] x_url_scheme = environ.get('HTTP_X_URL_SCHEME', None) if x_url_scheme: environ['original_wsgi.url_scheme'] = environ['wsgi.url_scheme'] environ['wsgi.url_scheme'] = x_url_scheme return self.app(environ, start_response)