flask_sslify.py 文件源码

def redirect_to_ssl(self):
        """Redirect incoming requests to HTTPS."""
        # Should we redirect?
        criteria = [
            request.is_secure,
            current_app.debug,
            request.headers.get('X-Forwarded-Proto', 'http') == 'https'
        ]

        if not any(criteria) and not self.skip:
            if request.url.startswith('http://'):
                url = request.url.replace('http://', 'https://', 1)
                code = 302
                if self.permanent:
                    code = 301
                r = redirect(url, code=code)
                return r