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verdaccio/lib/utils.js
Alex Kocharin 6a778e8c17 change code style to jshttp
close #155, see reasons there

This is a huge commit, so let me know if it will cause
any trouble, I might consider reverting it if it's the case.
2014-11-12 17:37:43 +03:00

149 lines
3.9 KiB
JavaScript

var assert = require('assert')
var Semver = require('semver')
var URL = require('url')
var Logger = require('./logger')
// from normalize-package-data/lib/fixer.js
module.exports.validate_name = function(name) {
if (typeof(name) !== 'string') return false
name = name.toLowerCase()
// all URL-safe characters and "@" for issue #75
if (!name.match(/^[-a-zA-Z0-9_.!~*'()@]+$/)
|| name.charAt(0) === '.' // ".bin", etc.
|| name.charAt(0) === '-' // "-" is reserved by couchdb
|| name === 'node_modules'
|| name === '__proto__'
|| name === 'package.json'
|| name === 'favicon.ico'
) {
return false
} else {
return true
}
}
module.exports.is_object = function(obj) {
return typeof(obj) === 'object' && obj !== null && !Array.isArray(obj)
}
module.exports.validate_metadata = function(object, name) {
assert(module.exports.is_object(object), 'not a json object')
assert.equal(object.name, name)
if (!module.exports.is_object(object['dist-tags'])) {
object['dist-tags'] = {}
}
if (!module.exports.is_object(object['versions'])) {
object['versions'] = {}
}
return object
}
module.exports.parse_tarball_url = function(_url) {
var url = URL.parse(_url)
var path = url.path.replace(/^\//, '').split('/')
if (path.length >= 3 && path[path.length-2] === '-') {
var filename = path.pop()
var pkgpath = '/' + filename // tarball name
pkgpath = '/' + path.pop() + pkgpath // "-"
pkgpath = '/' + path.pop() + pkgpath // package.name
} else {
return null
}
return {
protocol : url.protocol,
host : url.host,
prepath : '/' + path.join('/'),
pkgpath : pkgpath,
filename : filename,
}
}
module.exports.filter_tarball_urls = function(pkg, req, config) {
function filter(_url) {
if (!req.headers.host) return _url
var url = module.exports.parse_tarball_url(_url)
// weird url, just return it
if (url == null) return _url
if (config.url_prefix != null) {
var result = config.url_prefix.replace(/\/$/, '')
} else {
var result = req.protocol + '://' + req.headers.host
}
return result + url.pkgpath
}
for (var ver in pkg.versions) {
var dist = pkg.versions[ver].dist
if (dist != null && dist.tarball != null) {
//dist.__sinopia_orig_tarball = dist.tarball
dist.tarball = filter(dist.tarball)
}
}
return pkg
}
function can_add_tag(tag, config) {
if (!tag) return false
if (tag === 'latest' && config.ignore_latest_tag) return false
return true
}
module.exports.tag_version = function(data, version, tag, config) {
if (!can_add_tag(tag, config)) return false
switch (typeof(data['dist-tags'][tag])) {
case 'string':
data['dist-tags'][tag] = [ data['dist-tags'][tag] ]
break
case 'object': // array
break
default:
data['dist-tags'][tag] = []
}
if (data['dist-tags'][tag].indexOf(version) === -1) {
data['dist-tags'][tag].push(version)
data['dist-tags'][tag] = module.exports.semver_sort(data['dist-tags'][tag])
return data['dist-tags'][tag][data['dist-tags'][tag].length - 1] === version
}
return false
}
// gets version from a package object taking into account semver weirdness
module.exports.get_version = function(object, version) {
if (object.versions[version] != null) return object.versions[version]
try {
version = Semver.parse(version, true)
for (var k in object.versions) {
if (version.compare(Semver.parse(k, true)) === 0) {
return object.versions[k]
}
}
} catch (err) {
return undefined
}
}
// function filters out bad semver versions and sorts the array
module.exports.semver_sort = function semver_sort(array) {
return array
.filter(function(x) {
if (!Semver.parse(x, true)) {
Logger.logger.warn( {ver: x}, 'ignoring bad version @{ver}' )
return false
}
return true
})
.sort(Semver.compareLoose)
.map(String)
}