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