pathMatch.js

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"use strict";
/*
 * "A request-path path-matches a given cookie-path if at least one of the
 * following conditions holds:"
 */
function pathMatch (reqPath, cookiePath) {
  // "o  The cookie-path and the request-path are identical."
  if (cookiePath === reqPath) {
    return true;
  }

  var idx = reqPath.indexOf(cookiePath);
  if (idx === 0) {
    // "o  The cookie-path is a prefix of the request-path, and the last
    // character of the cookie-path is %x2F ("/")."
    if (cookiePath.substr(-1) === "/") {
      return true;
    }

    // " o  The cookie-path is a prefix of the request-path, and the first
    // character of the request-path that is not included in the cookie- path
    // is a %x2F ("/") character."
    if (reqPath.substr(cookiePath.length, 1) === "/") {
      return true;
    }
  }

  return false;
}

exports.pathMatch = pathMatch;