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keksAccountGUI/node_modulesOLD/cacache/lib/util/fix-owner.js
2019-08-11 20:48:02 +02:00

90 lines
2.3 KiB
JavaScript

'use strict'
const BB = require('bluebird')
const chownr = BB.promisify(require('chownr'))
const mkdirp = BB.promisify(require('mkdirp'))
const inflight = require('promise-inflight')
module.exports.chownr = fixOwner
function fixOwner (filepath, uid, gid) {
if (!process.getuid) {
// This platform doesn't need ownership fixing
return BB.resolve()
}
if (typeof uid !== 'number' && typeof gid !== 'number') {
// There's no permissions override. Nothing to do here.
return BB.resolve()
}
if ((typeof uid === 'number' && process.getuid() === uid) &&
(typeof gid === 'number' && process.getgid() === gid)) {
// No need to override if it's already what we used.
return BB.resolve()
}
return inflight(
'fixOwner: fixing ownership on ' + filepath,
() => chownr(
filepath,
typeof uid === 'number' ? uid : process.getuid(),
typeof gid === 'number' ? gid : process.getgid()
).catch({ code: 'ENOENT' }, () => null)
)
}
module.exports.chownr.sync = fixOwnerSync
function fixOwnerSync (filepath, uid, gid) {
if (!process.getuid) {
// This platform doesn't need ownership fixing
return
}
if (typeof uid !== 'number' && typeof gid !== 'number') {
// There's no permissions override. Nothing to do here.
return
}
if ((typeof uid === 'number' && process.getuid() === uid) &&
(typeof gid === 'number' && process.getgid() === gid)) {
// No need to override if it's already what we used.
return
}
try {
chownr.sync(
filepath,
typeof uid === 'number' ? uid : process.getuid(),
typeof gid === 'number' ? gid : process.getgid()
)
} catch (err) {
if (err.code === 'ENOENT') {
return null
}
}
}
module.exports.mkdirfix = mkdirfix
function mkdirfix (p, uid, gid, cb) {
return mkdirp(p).then(made => {
if (made) {
return fixOwner(made, uid, gid).then(() => made)
}
}).catch({ code: 'EEXIST' }, () => {
// There's a race in mkdirp!
return fixOwner(p, uid, gid).then(() => null)
})
}
module.exports.mkdirfix.sync = mkdirfixSync
function mkdirfixSync (p, uid, gid) {
try {
const made = mkdirp.sync(p)
if (made) {
fixOwnerSync(made, uid, gid)
return made
}
} catch (err) {
if (err.code === 'EEXIST') {
fixOwnerSync(p, uid, gid)
return null
} else {
throw err
}
}
}