90 lines
2.2 KiB
JavaScript
90 lines
2.2 KiB
JavaScript
var assert = require('assert')
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, URL = require('url')
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// from normalize-package-data/lib/fixer.js
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module.exports.validate_name = function(name) {
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name = name.toLowerCase()
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if (
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name.charAt(0) === "." || // ".bin", etc.
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name.match(/[\/@\s\+%:]/) ||
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name !== encodeURIComponent(name) ||
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name.toLowerCase() === "node_modules" ||
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name.toLowerCase() === "__proto__" ||
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name.toLowerCase() === "package.json" ||
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name.toLowerCase() === "favicon.ico"
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) {
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return false
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} else {
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return true
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}
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}
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module.exports.is_object = function(obj) {
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return typeof(obj) === 'object' && obj !== null && !Array.isArray(obj)
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}
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module.exports.validate_metadata = function(object, name) {
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assert(module.exports.is_object(object), 'not a json object')
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assert.equal(object.name, name)
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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()
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, pkgpath = '/' + filename // tarball name
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pkgpath = '/' + path.pop() + pkgpath // "-"
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pkgpath = '/' + path.pop() + pkgpath // package.name
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} else {
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return null
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}
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return {
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protocol: url.protocol,
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host: url.host,
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prepath: '/' + path.join('/'),
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pkgpath: pkgpath,
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filename: filename,
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}
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}
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module.exports.filter_tarball_urls = function(pkg, req, config) {
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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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}
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for (var ver in pkg.versions) {
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if (pkg.versions[ver].dist != null
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&& pkg.versions[ver].dist.tarball != null) {
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pkg.versions[ver].dist.__sinopia_orig_tarball = pkg.versions[ver].dist.tarball
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pkg.versions[ver].dist.tarball = filter(pkg.versions[ver].dist.tarball)
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}
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}
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return pkg
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}
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