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Diffstat (limited to 'node_modules/isexe/dist/esm/posix.js')
| -rw-r--r-- | node_modules/isexe/dist/esm/posix.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/node_modules/isexe/dist/esm/posix.js b/node_modules/isexe/dist/esm/posix.js new file mode 100644 index 0000000..f1af6d5 --- /dev/null +++ b/node_modules/isexe/dist/esm/posix.js @@ -0,0 +1,62 @@ +/** + * This is the Posix implementation of isexe, which uses the file + * mode and uid/gid values. + * + * @module + */ +import { statSync } from 'node:fs'; +import { stat } from 'node:fs/promises'; +/** + * Determine whether a path is executable according to the mode and + * current (or specified) user and group IDs. + */ +export const isexe = async (path, options = {}) => { + const { ignoreErrors = false } = options; + try { + return checkStat(await stat(path), options); + } + catch (e) { + const er = e; + if (ignoreErrors || er.code === 'EACCES') + return false; + throw er; + } +}; +/** + * Synchronously determine whether a path is executable according to + * the mode and current (or specified) user and group IDs. + */ +export const sync = (path, options = {}) => { + const { ignoreErrors = false } = options; + try { + return checkStat(statSync(path), options); + } + catch (e) { + const er = e; + if (ignoreErrors || er.code === 'EACCES') + return false; + throw er; + } +}; +const checkStat = (stat, options) => stat.isFile() && checkMode(stat, options); +const checkMode = (stat, options) => { + const myUid = options.uid ?? process.getuid?.(); + const myGroups = options.groups ?? process.getgroups?.() ?? []; + const myGid = options.gid ?? process.getgid?.() ?? myGroups[0]; + if (myUid === undefined || myGid === undefined) { + throw new Error('cannot get uid or gid'); + } + const groups = new Set([myGid, ...myGroups]); + const mod = stat.mode; + const uid = stat.uid; + const gid = stat.gid; + const u = parseInt('100', 8); + const g = parseInt('010', 8); + const o = parseInt('001', 8); + const ug = u | g; + return !!(mod & o || + (mod & g && groups.has(gid)) || + (mod & u && uid === myUid) || + (mod & ug && myUid === 0)); +}; +//# sourceMappingURL=posix.js.map
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