Flask RawPathMiddleware

flask_raw_path_middleware.py

class RawPathMiddleware(object):
    """Do not let werkzeug silently replace percent encoding.

    https://github.com/pallets/werkzeug/pull
           /1419/files#diff-2fd07ed8a4cc8c956ceeca2347ac5376

    Usage:

        app.wsgi_app = RawPathMiddleware(app.wsgi_app)

    see https://stackoverflow.com/questions/25466904
               /print-raw-http-request-in-flask-or-wsgi
    """
    def __init__(self, app):
        """Initialize this instance with the app."""
        self._app = app

    def __call__(self, environ, resp):
        """Print the request and response."""

        # gunicorn
        for s in ('RAW_URI', 'REQUEST_URI'):
            if s in environ:
                v = environ[s]
                idx = v.find('?')  # take out the query params
                if idx >= 0:
                    v = v[:idx]
                environ['PATH_INFO'] = v
                break

        def identity(status, headers, *args):
            return resp(status, headers, *args)

        return self._app(environ, identity)

Answers: https://stackoverflow.com/questions/28056959/in-python-flask-how-to-access-complete-raw-url-prior-to-un-escaping