Current File : //proc/self/root/usr/src/node-v0.10.4/deps/npm/node_modules/npmconf/npmconf.js
var CC = require('config-chain').ConfigChain
var inherits = require('inherits')
var configDefs = require('./config-defs.js')
var types = configDefs.types
var once = require('once')
var fs = require('fs')
var path = require('path')
var nopt = require('nopt')
var ini = require('ini')
var Octal = configDefs.Octal
var mkdirp = require('mkdirp')
exports.load = load
exports.Conf = Conf
exports.loaded = false
exports.rootConf = null
exports.usingBuiltin = false
exports.defs = configDefs
Object.defineProperty(exports, 'defaults', { get: function () {
return configDefs.defaults
}, enumerable: true })
Object.defineProperty(exports, 'types', { get: function () {
return configDefs.types
}, enumerable: true })
exports.validate = validate
var myUid = process.env.SUDO_UID !== undefined
? process.env.SUDO_UID : (process.getuid && process.getuid())
var myGid = process.env.SUDO_GID !== undefined
? process.env.SUDO_GID : (process.getgid && process.getgid())
var loading = false
var loadCbs = []
function load (cli_, builtin_, cb_) {
var cli, builtin, cb
for (var i = 0; i < arguments.length; i++)
switch (typeof arguments[i]) {
case 'string': builtin = arguments[i]; break
case 'object': cli = arguments[i]; break
case 'function': cb = arguments[i]; break
}
if (!cb)
cb = function () {}
if (exports.loaded) {
var ret = exports.loaded
if (cli) {
ret = new Conf(ret)
ret.unshift(cli)
}
return process.nextTick(cb.bind(null, null, ret))
}
// either a fresh object, or a clone of the passed in obj
if (!cli)
cli = {}
else
cli = Object.keys(cli).reduce(function (c, k) {
c[k] = cli[k]
return c
}, {})
loadCbs.push(cb)
if (loading)
return
loading = true
cb = once(function (er, conf) {
if (!er)
exports.loaded = conf
loadCbs.forEach(function (fn) {
fn(er, conf)
})
loadCbs.length = 0
})
// check for a builtin if provided.
exports.usingBuiltin = !!builtin
var rc = exports.rootConf = new Conf()
var defaults = configDefs.defaults
if (builtin)
rc.addFile(builtin, 'builtin')
else
rc.add({}, 'builtin')
rc.on('load', function () {
var conf = new Conf(rc)
conf.usingBuiltin = !!builtin
conf.add(cli, 'cli')
conf.addEnv()
conf.addFile(conf.get('userconfig'), 'user')
conf.once('error', cb)
conf.once('load', function () {
// globalconfig and globalignorefile defaults
// need to respond to the "prefix" setting up to this point.
// Eg, `npm config get globalconfig --prefix ~/local` should
// return `~/local/etc/npmrc`
// annoying humans and their expectations!
if (conf.get('prefix')) {
var etc = path.resolve(conf.get("prefix"), "etc")
defaults.globalconfig = path.resolve(etc, "npmrc")
defaults.globalignorefile = path.resolve(etc, "npmignore")
}
conf.addFile(conf.get('globalconfig'), 'global')
// move the builtin into the conf stack now.
conf.root = defaults
conf.add(rc.shift(), 'builtin')
conf.once('load', function () {
// warn about invalid bits.
validate(conf)
exports.loaded = conf
cb(null, conf)
})
})
})
}
// Basically the same as CC, but:
// 1. Always ini
// 2. Parses environment variable names in field values
// 3. Field values that start with ~/ are replaced with process.env.HOME
// 4. Can inherit from another Conf object, using it as the base.
inherits(Conf, CC)
function Conf (base) {
if (!(this instanceof Conf))
return new Conf(base)
CC.apply(this)
if (base)
if (base instanceof Conf)
this.root = base.list[0] || base.root
else
this.root = base
else
this.root = configDefs.defaults
}
Conf.prototype.save = function (where, cb) {
var target = this.sources[where]
if (!target || !(target.path || target.source) || !target.data) {
if (where !== 'builtin')
var er = new Error('bad save target: '+where)
if (cb) {
process.nextTick(cb.bind(null, er))
return this
}
return this.emit('error', er)
}
if (target.source) {
var pref = target.prefix || ''
Object.keys(target.data).forEach(function (k) {
target.source[pref + k] = target.data[k]
})
if (cb) process.nextTick(cb)
return this
}
var data = target.data
if (typeof data._password === 'string' &&
typeof data.username === 'string') {
var auth = data.username + ':' + data._password
data = Object.keys(data).reduce(function (c, k) {
if (k === 'username' || k === '_password')
return c
c[k] = data[k]
return c
}, { _auth: new Buffer(auth, 'utf8').toString('base64') })
delete data.username
delete data._password
}
data = ini.stringify(data)
then = then.bind(this)
done = done.bind(this)
this._saving ++
var mode = where === 'user' ? 0600 : 0666
if (!data.trim())
fs.unlink(target.path, done)
else {
mkdirp(path.dirname(target.path), function (er) {
if (er)
return then(er)
fs.writeFile(target.path, data, 'utf8', function (er) {
if (er)
return then(er)
if (where === 'user' && myUid && myGid)
fs.chown(target.path, +myUid, +myGid, then)
else
then()
})
})
}
function then (er) {
if (er)
return done(er)
fs.chmod(target.path, mode, done)
}
function done (er) {
if (er) {
if (cb) return cb(er)
else return this.emit('error', er)
}
this._saving --
if (this._saving === 0) {
if (cb) cb()
this.emit('save')
}
}
return this
}
Conf.prototype.addFile = function (file, name) {
name = name || file
var marker = {__source__:name}
this.sources[name] = { path: file, type: 'ini' }
this.push(marker)
this._await()
fs.readFile(file, 'utf8', function (er, data) {
if (er) // just ignore missing files.
return this.add({}, marker)
this.addString(data, file, 'ini', marker)
}.bind(this))
return this
}
// always ini files.
Conf.prototype.parse = function (content, file) {
return CC.prototype.parse.call(this, content, file, 'ini')
}
Conf.prototype.add = function (data, marker) {
Object.keys(data).forEach(function (k) {
data[k] = parseField(data[k], k)
})
if (Object.prototype.hasOwnProperty.call(data, '_auth')) {
var auth = new Buffer(data._auth, 'base64').toString('utf8').split(':')
var username = auth.shift()
var password = auth.join(':')
data.username = username
data._password = password
}
return CC.prototype.add.call(this, data, marker)
}
Conf.prototype.addEnv = function (env) {
env = env || process.env
var conf = {}
Object.keys(env)
.filter(function (k) { return k.match(/^npm_config_[^_]/i) })
.forEach(function (k) {
if (!env[k])
return
conf[k.replace(/^npm_config_/i, '')
.toLowerCase()
.replace(/_/g, '-')] = env[k]
})
return CC.prototype.addEnv.call(this, '', conf, 'env')
}
function parseField (f, k, emptyIsFalse) {
if (typeof f !== 'string' && !(f instanceof String))
return f
// type can be an array or single thing.
var typeList = [].concat(types[k])
var isPath = -1 !== typeList.indexOf(path)
var isBool = -1 !== typeList.indexOf(Boolean)
var isString = -1 !== typeList.indexOf(String)
var isOctal = -1 !== typeList.indexOf(Octal)
var isNumber = isOctal || (-1 !== typeList.indexOf(Number))
f = (''+f).trim()
if (f.match(/^".*"$/))
f = JSON.parse(f)
if (isBool && !isString && f === '')
return true
switch (f) {
case 'true': return true
case 'false': return false
case 'null': return null
case 'undefined': return undefined
}
f = envReplace(f)
if (isPath) {
var homePattern = process.platform === 'win32' ? /^~(\/|\\)/ : /^~\//
if (f.match(homePattern) && process.env.HOME) {
f = path.resolve(process.env.HOME, f.substr(2))
}
f = path.resolve(f)
}
if (isNumber && !isNaN(f))
f = isOctal ? parseInt(f, 8) : +f
return f
}
function envReplace (f) {
if (typeof f !== "string" || !f) return f
// replace any ${ENV} values with the appropriate environ.
var envExpr = /(\\*)\$\{([^}]+)\}/g
return f.replace(envExpr, function (orig, esc, name, i, s) {
esc = esc.length && esc.length % 2
if (esc)
return orig
if (undefined === process.env[name])
throw new Error("Failed to replace env in config: "+orig)
return process.env[name]
})
}
function validate (cl) {
// warn about invalid configs at every level.
cl.list.forEach(function (conf, level) {
nopt.clean(conf, configDefs.types)
})
}
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