keystone.server.flask.request_processing.middleware.url_normalize

Source code for keystone.server.flask.request_processing.middleware.url_normalize

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# Flask Native URL Normalizing Middleware


[docs]class URLNormalizingMiddleware(object): """Middleware filter to handle URL normalization.""" # NOTE(morgan): This must be a middleware as changing 'PATH_INFO' after # the request hits the flask app will not impact routing. def __init__(self, app): self.app = app def __call__(self, environ, start_response): """Normalize URLs.""" # TODO(morgan): evaluate collapsing multiple slashes in this middleware # e.g. '/v3//auth/tokens -> /v3/auth/tokens # Removes a trailing slashes from the given path, if any. if len(environ['PATH_INFO']) > 1 and environ['PATH_INFO'][-1] == '/': environ['PATH_INFO'] = environ['PATH_INFO'].rstrip('/') # Rewrites path to root if no path is given if not environ['PATH_INFO']: environ['PATH_INFO'] = '/' return self.app(environ, start_response)
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