diff options
Diffstat (limited to 'deps/node/deps/npm/node_modules/cacache/lib/util/fix-owner.js')
-rw-r--r-- | deps/node/deps/npm/node_modules/cacache/lib/util/fix-owner.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/deps/node/deps/npm/node_modules/cacache/lib/util/fix-owner.js b/deps/node/deps/npm/node_modules/cacache/lib/util/fix-owner.js new file mode 100644 index 00000000..0c8f9f87 --- /dev/null +++ b/deps/node/deps/npm/node_modules/cacache/lib/util/fix-owner.js @@ -0,0 +1,90 @@ +'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 + } + } +} |