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author | Minteck <freeziv.ytb@gmail.com> | 2021-03-07 18:29:17 +0100 |
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committer | Minteck <freeziv.ytb@gmail.com> | 2021-03-07 18:29:17 +0100 |
commit | 0f79e708bf07721b73ea41e5d341be08e8ea4dce (patch) | |
tree | f3c63cd6a9f4ef0b26f95eec6a031600232e80c8 /node_modules/chownr/chownr.js | |
download | electrode-0f79e708bf07721b73ea41e5d341be08e8ea4dce.tar.gz electrode-0f79e708bf07721b73ea41e5d341be08e8ea4dce.tar.bz2 electrode-0f79e708bf07721b73ea41e5d341be08e8ea4dce.zip |
Initial commit
Diffstat (limited to 'node_modules/chownr/chownr.js')
-rw-r--r-- | node_modules/chownr/chownr.js | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/node_modules/chownr/chownr.js b/node_modules/chownr/chownr.js new file mode 100644 index 0000000..0d40932 --- /dev/null +++ b/node_modules/chownr/chownr.js @@ -0,0 +1,167 @@ +'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 |