@sap/xssec/src/util/util.js

XS Advanced Container Security API for node.js

const { CLIENT_CERTIFICATE_HEADER } = require("./constants");

module.exports = {
    /**
     * Escapes Regex special characters in the given string, so that the string can be used for a literal match inside a Regex.
     * Regex.escape is only a proposal at the time of writing.
     * The source of this code is https://github.com/tc39/proposal-regex-escaping/blob/main/polyfill.js 
     */
    escapeStringForRegex(s) {
        return String(s).replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
    },

    shrinkRequestOptionsForLog(request) {
        const maskedRequest = { ...request };
        maskedRequest.headers = { ...request.headers };

        if (maskedRequest.agent) {
            maskedRequest.agent = "<agent>";
        }

        if (maskedRequest.headers?.[CLIENT_CERTIFICATE_HEADER]) {
            maskedRequest.headers[CLIENT_CERTIFICATE_HEADER] = "<clientCertificatePem>"
        }

        return maskedRequest;
    }
};