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verdaccio/lib/utils.js

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var assert = require('assert')
, URL = require('url')
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// from normalize-package-data/lib/fixer.js
module.exports.validate_name = function(name) {
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name = name.toLowerCase()
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if (
name.charAt(0) === "." || // ".bin", etc.
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name.match(/[\/@\s\+%:]/) ||
name !== encodeURIComponent(name) ||
name.toLowerCase() === "node_modules" ||
name.toLowerCase() === "__proto__" ||
name.toLowerCase() === "package.json" ||
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name.toLowerCase() === "favicon.ico"
) {
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return false
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} else {
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return true
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}
}
module.exports.is_object = function(obj) {
return typeof(obj) === 'object' && obj !== null && !Array.isArray(obj)
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}
module.exports.validate_metadata = function(object, name) {
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assert(module.exports.is_object(object))
assert.equal(object.name, name)
if (!module.exports.is_object(object['dist-tags'])) {
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object['dist-tags'] = {}
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}
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if (!module.exports.is_object(object['versions'])) {
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object['versions'] = {}
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}
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return object
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}
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module.exports.parse_tarball_url = function(_url) {
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var url = URL.parse(_url)
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var path = url.path.replace(/^\//, '').split('/')
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if (path.length >= 3 && path[path.length-2] === '-') {
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var filename = path.pop()
, pkgpath = '/' + filename // tarball name
pkgpath = '/' + path.pop() + pkgpath // "-"
pkgpath = '/' + path.pop() + pkgpath // package.name
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} else {
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return null
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}
return {
protocol: url.protocol,
host: url.host,
prepath: '/' + path.join('/'),
pkgpath: pkgpath,
filename: filename,
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}
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}
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module.exports.filter_tarball_urls = function(pkg, req, config) {
function filter(_url) {
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if (!req.headers.host) return _url
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var url = module.exports.parse_tarball_url(_url)
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// weird url, just return it
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if (url == null) return _url
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if (config.url_prefix != null) {
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var result = config.url_prefix.replace(/\/$/, '')
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} else {
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var result = req.protocol + '://' + req.headers.host
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}
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return result + url.pkgpath
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}
for (var ver in pkg.versions) {
if (pkg.versions[ver].dist != null
&& pkg.versions[ver].dist.tarball != null) {
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pkg.versions[ver].dist.__sinopia_orig_tarball = pkg.versions[ver].dist.tarball
pkg.versions[ver].dist.tarball = filter(pkg.versions[ver].dist.tarball)
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}
}
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return pkg
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}