name : RestrictionsPlugin.js /* MIT License http://www.opensource.org/licenses/mit-license.php Author Ivan Kopeykin @vankop */ "use strict"; /** @typedef {import("./Resolver")} Resolver */ /** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */ const slashCode = "/".charCodeAt(0); const backslashCode = "\\".charCodeAt(0); /** * @param {string} path path * @param {string} parent parent path * @returns {boolean} true, if path is inside of parent */ const isInside = (path, parent) => { if (!path.startsWith(parent)) return false; if (path.length === parent.length) return true; const charCode = path.charCodeAt(parent.length); return charCode === slashCode || charCode === backslashCode; }; module.exports = class RestrictionsPlugin { /** * @param {string | ResolveStepHook} source source * @param {Set<string | RegExp>} restrictions restrictions */ constructor(source, restrictions) { this.source = source; this.restrictions = restrictions; } /** * @param {Resolver} resolver the resolver * @returns {void} */ apply(resolver) { resolver .getHook(this.source) .tapAsync("RestrictionsPlugin", (request, resolveContext, callback) => { if (typeof request.path === "string") { const path = request.path; for (const rule of this.restrictions) { if (typeof rule === "string") { if (!isInside(path, rule)) { if (resolveContext.log) { resolveContext.log( `${path} is not inside of the restriction ${rule}` ); } return callback(null, null); } } else if (!rule.test(path)) { if (resolveContext.log) { resolveContext.log( `${path} doesn't match the restriction ${rule}` ); } return callback(null, null); } } } callback(); }); } };