corrade-nucleus-nucleons
/compass/005_compass/compass/node_modules/isexe/mode.js |
@@ -0,0 +1,41 @@ |
module.exports = isexe |
isexe.sync = sync |
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var fs = require('fs') |
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function isexe (path, options, cb) { |
fs.stat(path, function (er, stat) { |
cb(er, er ? false : checkStat(stat, options)) |
}) |
} |
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function sync (path, options) { |
return checkStat(fs.statSync(path), options) |
} |
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function checkStat (stat, options) { |
return stat.isFile() && checkMode(stat, options) |
} |
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function checkMode (stat, options) { |
var mod = stat.mode |
var uid = stat.uid |
var gid = stat.gid |
|
var myUid = options.uid !== undefined ? |
options.uid : process.getuid && process.getuid() |
var myGid = options.gid !== undefined ? |
options.gid : process.getgid && process.getgid() |
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var u = parseInt('100', 8) |
var g = parseInt('010', 8) |
var o = parseInt('001', 8) |
var ug = u | g |
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var ret = (mod & o) || |
(mod & g) && gid === myGid || |
(mod & u) && uid === myUid || |
(mod & ug) && myUid === 0 |
|
return ret |
} |