File Explorer

1/**2 * This is the Posix implementation of isexe, which uses the file3 * mode and uid/gid values.4 *5 * @module6 */7import { statSync } from 'node:fs';8import { stat } from 'node:fs/promises';9/**10 * Determine whether a path is executable according to the mode and11 * current (or specified) user and group IDs.12 */13export const isexe = async (path, options = {}) => {14    const { ignoreErrors = false } = options;15    try {16        return checkStat(await stat(path), options);17    }18    catch (e) {19        const er = e;20        if (ignoreErrors || er.code === 'EACCES')21            return false;22        throw er;23    }24};25/**26 * Synchronously determine whether a path is executable according to27 * the mode and current (or specified) user and group IDs.28 */29export const sync = (path, options = {}) => {30    const { ignoreErrors = false } = options;31    try {32        return checkStat(statSync(path), options);33    }34    catch (e) {35        const er = e;36        if (ignoreErrors || er.code === 'EACCES')37            return false;38        throw er;39    }40};41const checkStat = (stat, options) => stat.isFile() && checkMode(stat, options);42const checkMode = (stat, options) => {43    const myUid = options.uid ?? process.getuid?.();44    const myGroups = options.groups ?? process.getgroups?.() ?? [];45    const myGid = options.gid ?? process.getgid?.() ?? myGroups[0];46    if (myUid === undefined || myGid === undefined) {47        throw new Error('cannot get uid or gid');48    }49    const groups = new Set([myGid, ...myGroups]);50    const mod = stat.mode;51    const uid = stat.uid;52    const gid = stat.gid;53    const u = parseInt('100', 8);54    const g = parseInt('010', 8);55    const o = parseInt('001', 8);56    const ug = u | g;57    return !!(mod & o ||58        (mod & g && groups.has(gid)) ||59        (mod & u && uid === myUid) ||60        (mod & ug && myUid === 0));61};62//# sourceMappingURL=posix.js.map