AlkantarClanX12
Current Path : /usr/lib/node_modules/npm/node_modules/uid-number/ |
Current File : //usr/lib/node_modules/npm/node_modules/uid-number/uid-number.js |
module.exports = uidNumber // This module calls into get-uid-gid.js, which sets the // uid and gid to the supplied argument, in order to find out their // numeric value. This can't be done in the main node process, // because otherwise node would be running as that user from this // point on. var child_process = require("child_process") , path = require("path") , uidSupport = process.getuid && process.setuid , uidCache = {} , gidCache = {} function uidNumber (uid, gid, cb) { if (!uidSupport) return cb() if (typeof cb !== "function") cb = gid, gid = null if (typeof cb !== "function") cb = uid, uid = null if (gid == null) gid = process.getgid() if (uid == null) uid = process.getuid() if (!isNaN(gid)) gid = gidCache[gid] = +gid if (!isNaN(uid)) uid = uidCache[uid] = +uid if (uidCache.hasOwnProperty(uid)) uid = uidCache[uid] if (gidCache.hasOwnProperty(gid)) gid = gidCache[gid] if (typeof gid === "number" && typeof uid === "number") { return process.nextTick(cb.bind(null, null, uid, gid)) } var getter = require.resolve("./get-uid-gid.js") child_process.execFile( process.execPath , [getter, uid, gid] , function (code, out, stderr) { if (code) { var er = new Error("could not get uid/gid\n" + stderr) er.code = code return cb(er) } try { out = JSON.parse(out+"") } catch (ex) { return cb(ex) } if (out.error) { var er = new Error(out.error) er.errno = out.errno return cb(er) } if (isNaN(out.uid) || isNaN(out.gid)) return cb(new Error( "Could not get uid/gid: "+JSON.stringify(out))) cb(null, uidCache[uid] = +out.uid, gidCache[gid] = +out.gid) }) }