65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
'use strict'
|
|
|
|
const log = require('npmlog')
|
|
const execFile = require('child_process').execFile
|
|
const path = require('path')
|
|
|
|
function logWithPrefix (log, prefix) {
|
|
function setPrefix (logFunction) {
|
|
return (...args) => logFunction.apply(null, [ prefix, ...args ]) // eslint-disable-line
|
|
}
|
|
return {
|
|
silly: setPrefix(log.silly),
|
|
verbose: setPrefix(log.verbose),
|
|
info: setPrefix(log.info),
|
|
warn: setPrefix(log.warn),
|
|
error: setPrefix(log.error)
|
|
}
|
|
}
|
|
|
|
function regGetValue (key, value, addOpts, cb) {
|
|
const outReValue = value.replace(/\W/g, '.')
|
|
const outRe = new RegExp(`^\\s+${outReValue}\\s+REG_\\w+\\s+(\\S.*)$`, 'im')
|
|
const reg = path.join(process.env.SystemRoot, 'System32', 'reg.exe')
|
|
const regArgs = ['query', key, '/v', value].concat(addOpts)
|
|
|
|
log.silly('reg', 'running', reg, regArgs)
|
|
const child = execFile(reg, regArgs, { encoding: 'utf8' },
|
|
function (err, stdout, stderr) {
|
|
log.silly('reg', 'reg.exe stdout = %j', stdout)
|
|
if (err || stderr.trim() !== '') {
|
|
log.silly('reg', 'reg.exe err = %j', err && (err.stack || err))
|
|
log.silly('reg', 'reg.exe stderr = %j', stderr)
|
|
return cb(err, stderr)
|
|
}
|
|
|
|
const result = outRe.exec(stdout)
|
|
if (!result) {
|
|
log.silly('reg', 'error parsing stdout')
|
|
return cb(new Error('Could not parse output of reg.exe'))
|
|
}
|
|
log.silly('reg', 'found: %j', result[1])
|
|
cb(null, result[1])
|
|
})
|
|
child.stdin.end()
|
|
}
|
|
|
|
function regSearchKeys (keys, value, addOpts, cb) {
|
|
var i = 0
|
|
const search = () => {
|
|
log.silly('reg-search', 'looking for %j in %j', value, keys[i])
|
|
regGetValue(keys[i], value, addOpts, (err, res) => {
|
|
++i
|
|
if (err && i < keys.length) { return search() }
|
|
cb(err, res)
|
|
})
|
|
}
|
|
search()
|
|
}
|
|
|
|
module.exports = {
|
|
logWithPrefix: logWithPrefix,
|
|
regGetValue: regGetValue,
|
|
regSearchKeys: regSearchKeys
|
|
}
|