File Explorer

1"use strict";2/**3 * This is the Posix implementation of isexe, which uses the file4 * mode and uid/gid values.5 *6 * @module7 */8Object.defineProperty(exports, "__esModule", { value: true });9exports.sync = exports.isexe = void 0;10const node_fs_1 = require("node:fs");11const promises_1 = require("node:fs/promises");12/**13 * Determine whether a path is executable according to the mode and14 * current (or specified) user and group IDs.15 */16const isexe = async (path, options = {}) => {17    const { ignoreErrors = false } = options;18    try {19        return checkStat(await (0, promises_1.stat)(path), options);20    }21    catch (e) {22        const er = e;23        if (ignoreErrors || er.code === 'EACCES')24            return false;25        throw er;26    }27};28exports.isexe = isexe;29/**30 * Synchronously determine whether a path is executable according to31 * the mode and current (or specified) user and group IDs.32 */33const sync = (path, options = {}) => {34    const { ignoreErrors = false } = options;35    try {36        return checkStat((0, node_fs_1.statSync)(path), options);37    }38    catch (e) {39        const er = e;40        if (ignoreErrors || er.code === 'EACCES')41            return false;42        throw er;43    }44};45exports.sync = sync;46const checkStat = (stat, options) => stat.isFile() && checkMode(stat, options);47const checkMode = (stat, options) => {48    const myUid = options.uid ?? process.getuid?.();49    const myGroups = options.groups ?? process.getgroups?.() ?? [];50    const myGid = options.gid ?? process.getgid?.() ?? myGroups[0];51    if (myUid === undefined || myGid === undefined) {52        throw new Error('cannot get uid or gid');53    }54    const groups = new Set([myGid, ...myGroups]);55    const mod = stat.mode;56    const uid = stat.uid;57    const gid = stat.gid;58    const u = parseInt('100', 8);59    const g = parseInt('010', 8);60    const o = parseInt('001', 8);61    const ug = u | g;62    return !!(mod & o ||63        (mod & g && groups.has(gid)) ||64        (mod & u && uid === myUid) ||65        (mod & ug && myUid === 0));66};67//# sourceMappingURL=posix.js.map