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Direktori : /usr/lib/node_modules/npm/node_modules/chownr/ |
Current File : //usr/lib/node_modules/npm/node_modules/chownr/chownr.js |
'use strict' const fs = require('fs') const path = require('path') /* istanbul ignore next */ const LCHOWN = fs.lchown ? 'lchown' : 'chown' /* istanbul ignore next */ const LCHOWNSYNC = fs.lchownSync ? 'lchownSync' : 'chownSync' /* istanbul ignore next */ const needEISDIRHandled = fs.lchown && !process.version.match(/v1[1-9]+\./) && !process.version.match(/v10\.[6-9]/) const lchownSync = (path, uid, gid) => { try { return fs[LCHOWNSYNC](path, uid, gid) } catch (er) { if (er.code !== 'ENOENT') throw er } } /* istanbul ignore next */ const chownSync = (path, uid, gid) => { try { return fs.chownSync(path, uid, gid) } catch (er) { if (er.code !== 'ENOENT') throw er } } /* istanbul ignore next */ const handleEISDIR = needEISDIRHandled ? (path, uid, gid, cb) => er => { // Node prior to v10 had a very questionable implementation of // fs.lchown, which would always try to call fs.open on a directory // Fall back to fs.chown in those cases. if (!er || er.code !== 'EISDIR') cb(er) else fs.chown(path, uid, gid, cb) } : (_, __, ___, cb) => cb /* istanbul ignore next */ const handleEISDirSync = needEISDIRHandled ? (path, uid, gid) => { try { return lchownSync(path, uid, gid) } catch (er) { if (er.code !== 'EISDIR') throw er chownSync(path, uid, gid) } } : (path, uid, gid) => lchownSync(path, uid, gid) // fs.readdir could only accept an options object as of node v6 const nodeVersion = process.version let readdir = (path, options, cb) => fs.readdir(path, options, cb) let readdirSync = (path, options) => fs.readdirSync(path, options) /* istanbul ignore next */ if (/^v4\./.test(nodeVersion)) readdir = (path, options, cb) => fs.readdir(path, cb) const chown = (cpath, uid, gid, cb) => { fs[LCHOWN](cpath, uid, gid, handleEISDIR(cpath, uid, gid, er => { // Skip ENOENT error cb(er && er.code !== 'ENOENT' ? er : null) })) } const chownrKid = (p, child, uid, gid, cb) => { if (typeof child === 'string') return fs.lstat(path.resolve(p, child), (er, stats) => { // Skip ENOENT error if (er) return cb(er.code !== 'ENOENT' ? er : null) stats.name = child chownrKid(p, stats, uid, gid, cb) }) if (child.isDirectory()) { chownr(path.resolve(p, child.name), uid, gid, er => { if (er) return cb(er) const cpath = path.resolve(p, child.name) chown(cpath, uid, gid, cb) }) } else { const cpath = path.resolve(p, child.name) chown(cpath, uid, gid, cb) } } const chownr = (p, uid, gid, cb) => { readdir(p, { withFileTypes: true }, (er, children) => { // any error other than ENOTDIR or ENOTSUP means it's not readable, // or doesn't exist. give up. if (er) { if (er.code === 'ENOENT') return cb() else if (er.code !== 'ENOTDIR' && er.code !== 'ENOTSUP') return cb(er) } if (er || !children.length) return chown(p, uid, gid, cb) let len = children.length let errState = null const then = er => { if (errState) return if (er) return cb(errState = er) if (-- len === 0) return chown(p, uid, gid, cb) } children.forEach(child => chownrKid(p, child, uid, gid, then)) }) } const chownrKidSync = (p, child, uid, gid) => { if (typeof child === 'string') { try { const stats = fs.lstatSync(path.resolve(p, child)) stats.name = child child = stats } catch (er) { if (er.code === 'ENOENT') return else throw er } } if (child.isDirectory()) chownrSync(path.resolve(p, child.name), uid, gid) handleEISDirSync(path.resolve(p, child.name), uid, gid) } const chownrSync = (p, uid, gid) => { let children try { children = readdirSync(p, { withFileTypes: true }) } catch (er) { if (er.code === 'ENOENT') return else if (er.code === 'ENOTDIR' || er.code === 'ENOTSUP') return handleEISDirSync(p, uid, gid) else throw er } if (children && children.length) children.forEach(child => chownrKidSync(p, child, uid, gid)) return handleEISDirSync(p, uid, gid) } module.exports = chownr chownr.sync = chownrSync