mirror of
https://github.com/verdaccio/verdaccio.git
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404 lines
11 KiB
JavaScript
404 lines
11 KiB
JavaScript
var express = require('express')
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, cookies = require('cookies')
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, utils = require('./utils')
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, Storage = require('./storage')
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, Config = require('./config')
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, UError = require('./error').UserError
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, Middleware = require('./middleware')
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, Logger = require('./logger')
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, Cats = require('./status-cats')
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, basic_auth = Middleware.basic_auth
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, validate_name = Middleware.validate_name
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, media = Middleware.media
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, expect_json = Middleware.expect_json
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function match(regexp) {
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return function(req, res, next, value, name) {
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if (regexp.exec(value)) {
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next()
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} else {
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next('route')
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}
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}
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}
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module.exports = function(config_hash) {
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var config = new Config(config_hash)
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, storage = new Storage(config)
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var can = function(action) {
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return function(req, res, next) {
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if (config['allow_'+action](req.params.package, req.remoteUser)) {
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next()
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} else {
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if (!req.remoteUser) {
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if (req.remoteUserError) {
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var msg = "can't "+action+' restricted package, ' + req.remoteUserError
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} else {
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var msg = "can't "+action+" restricted package without auth, did you forget 'npm set always-auth true'?"
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}
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next(new UError({
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status: 403,
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msg: msg,
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}))
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} else {
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next(new UError({
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status: 403,
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msg: 'user '+req.remoteUser+' not allowed to '+action+' it'
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}))
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}
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}
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}
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}
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var app = express()
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// run in production mode by default, just in case
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// it shouldn't make any difference anyway
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app.set('env', process.env.NODE_ENV || 'production')
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function error_reporting_middleware(req, res, next) {
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var calls = 0
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res.report_error = res.report_error || function(err) {
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calls++
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if (err.status && err.status >= 400 && err.status < 600) {
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if (calls == 1) {
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res.status(err.status)
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res.send({error: err.msg || err.message || 'unknown error'})
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}
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} else {
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Logger.logger.error({err: err}, 'unexpected error: @{!err.message}\n@{err.stack}')
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if (!res.status || !res.send) {
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Logger.logger.error('this is an error in express.js, please report this')
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res.destroy()
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}
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if (calls == 1) {
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res.status(500)
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res.send({error: 'internal server error'})
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}
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}
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}
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next()
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}
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app.use(error_reporting_middleware)
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app.use(Middleware.log_and_etagify)
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app.use(function(req, res, next) {
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res.setHeader('X-Powered-By', config.user_agent)
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next()
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})
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app.use(Cats.middleware)
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app.use(basic_auth(function(user, pass) {
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return config.authenticate(user, pass)
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}))
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app.use(express.json({strict: false, limit: config.max_body_size || '10mb'}))
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// TODO: npm DO NOT support compression :(
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app.use(express.compress())
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app.use(Middleware.anti_loop(config))
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// validate all of these params as a package name
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// this might be too harsh, so ask if it causes trouble
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app.param('package', validate_name)
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app.param('filename', validate_name)
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app.param('tag', validate_name)
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app.param('version', validate_name)
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app.param('revision', validate_name)
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// these can't be safely put into express url for some reason
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app.param('_rev', match(/^-rev$/))
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app.param('org_couchdb_user', match(/^org\.couchdb\.user:/))
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/* app.get('/', function(req, res) {
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res.send({
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error: 'unimplemented'
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})
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})*/
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/* app.get('/-/all', function(req, res) {
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var https = require('https')
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var JSONStream = require('JSONStream')
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var request = require('request')({
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url: 'https://registry.npmjs.org/-/all',
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})
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.pipe(JSONStream.parse('*'))
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.on('data', function(d) {
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console.log(d)
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})
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})*/
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// TODO: anonymous user?
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app.get('/:package/:version?', can('access'), function(req, res, next) {
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storage.get_package(req.params.package, {req: req}, function(err, info) {
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if (err) return next(err)
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info = utils.filter_tarball_urls(info, req, config)
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var version = req.params.version
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, t
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if (!version) {
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return res.send(info)
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}
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if ((t = utils.get_version(info, version)) != null) {
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return res.send(t)
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}
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if (info['dist-tags'] != null) {
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if (info['dist-tags'][version] != null) {
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version = info['dist-tags'][version]
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if ((t = utils.get_version(info, version)) != null) {
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return res.send(t)
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}
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}
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}
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return next(new UError({
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status: 404,
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msg: 'version not found: ' + req.params.version
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}))
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})
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})
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app.get('/:package/-/:filename', can('access'), function(req, res, next) {
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var stream = storage.get_tarball(req.params.package, req.params.filename)
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stream.on('error', function(err) {
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return res.report_error(err)
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})
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res.header('content-type', 'application/octet-stream')
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stream.pipe(res)
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})
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//app.get('/*', function(req, res) {
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// proxy.request(req, res)
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//})
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// placeholder 'cause npm require to be authenticated to publish
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// we do not do any real authentication yet
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app.post('/_session', cookies.express(), function(req, res) {
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res.cookies.set('AuthSession', String(Math.random()), {
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// npmjs.org sets 10h expire
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expires: new Date(Date.now() + 10*60*60*1000)
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})
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res.send({'ok':true,'name':'somebody','roles':[]})
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})
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app.get('/-/user/:org_couchdb_user', function(req, res, next) {
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res.status(200)
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return res.send({
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ok: 'you are authenticated as "' + req.remoteUser + '"',
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})
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})
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app.put('/-/user/:org_couchdb_user', function(req, res, next) {
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res.status(409)
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return res.send({
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error: 'registration is not implemented',
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})
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})
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app.put('/-/user/:org_couchdb_user/-rev/*', function(req, res, next) {
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if (req.remoteUser == null) {
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res.status(403)
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return res.send({
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error: 'bad username/password, access denied',
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})
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}
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res.status(201)
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return res.send({
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ok: 'you are authenticated as "' + req.remoteUser + '"',
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})
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})
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// tagging a package
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app.put('/:package/:tag', can('publish'), media('application/json'), function(req, res, next) {
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if (typeof(req.body) !== 'string') return next('route')
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storage.add_tag(req.params.package, req.body, req.params.tag, function(err) {
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if (err) return next(err)
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res.status(201)
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return res.send({
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ok: 'package tagged'
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})
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})
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})
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// publishing a package
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app.put('/:package/:_rev?/:revision?', can('publish'), media('application/json'), expect_json, function(req, res, next) {
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var name = req.params.package
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if (Object.keys(req.body).length == 1 && utils.is_object(req.body.users)) {
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return next(new UError({
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// 501 status is more meaningful, but npm doesn't show error message for 5xx
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status: 404,
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msg: 'npm star|unstar calls are not implemented',
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}))
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}
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try {
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var metadata = utils.validate_metadata(req.body, name)
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} catch(err) {
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return next(new UError({
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status: 422,
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msg: 'bad incoming package data',
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}))
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}
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if (req.params._rev) {
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storage.change_package(name, metadata, req.params.revision, function(err) {
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after_change(err, 'package changed')
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})
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} else {
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storage.add_package(name, metadata, function(err) {
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after_change(err, 'created new package')
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})
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}
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function after_change(err, ok_message) {
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// old npm behaviour
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if (metadata._attachments == null) {
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if (err) return next(err)
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res.status(201)
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return res.send({
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ok: ok_message
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})
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}
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// npm-registry-client 0.3+ embeds tarball into the json upload
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// https://github.com/isaacs/npm-registry-client/commit/e9fbeb8b67f249394f735c74ef11fe4720d46ca0
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// issue #31, dealing with it here:
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if (typeof(metadata._attachments) != 'object'
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|| Object.keys(metadata._attachments).length != 1
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|| typeof(metadata.versions) != 'object'
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|| Object.keys(metadata.versions).length != 1) {
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// npm is doing something strange again
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// if this happens in normal circumstances, report it as a bug
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return next(new UError({
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status: 400,
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msg: 'unsupported registry call',
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}))
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}
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if (err && err.status != 409) return next(err)
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// at this point document is either created or existed before
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var t1 = Object.keys(metadata._attachments)[0]
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create_tarball(t1, metadata._attachments[t1], function(err) {
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if (err) return next(err)
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var t2 = Object.keys(metadata.versions)[0]
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create_version(t2, metadata.versions[t2], function(err) {
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if (err) return next(err)
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res.status(201)
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return res.send({
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ok: ok_message
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})
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})
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})
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}
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function create_tarball(filename, data, cb) {
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var stream = storage.add_tarball(name, filename)
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stream.on('error', function(err) {
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cb(err)
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})
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stream.on('success', function() {
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cb()
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})
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// this is dumb and memory-consuming, but what choices do we have?
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stream.end(new Buffer(data.data, 'base64'))
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stream.done()
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}
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function create_version(version, data, cb) {
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// assume latest tag, it's ignored anyway
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// if you want tags, tag packages explicitly
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storage.add_version(name, version, data, 'latest', cb)
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}
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})
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// unpublishing an entire package
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app.delete('/:package/-rev/*', can('publish'), function(req, res, next) {
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storage.remove_package(req.params.package, function(err) {
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if (err) return next(err)
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res.status(201)
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return res.send({
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ok: 'package removed'
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})
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})
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})
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// removing a tarball
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app.delete('/:package/-/:filename/-rev/:revision', can('publish'), function(req, res, next) {
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storage.remove_tarball(req.params.package, req.params.filename, req.params.revision, function(err) {
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if (err) return next(err)
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res.status(201)
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return res.send({
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ok: 'tarball removed'
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})
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})
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})
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// uploading package tarball
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app.put('/:package/-/:filename/*', can('publish'), media('application/octet-stream'), function(req, res, next) {
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var name = req.params.package
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var stream = storage.add_tarball(name, req.params.filename)
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req.pipe(stream)
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// checking if end event came before closing
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var complete = false
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req.on('end', function() {
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complete = true
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stream.done()
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})
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req.on('close', function() {
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if (!complete) {
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stream.abort()
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}
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})
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stream.on('error', function(err) {
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return res.report_error(err)
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})
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stream.on('success', function() {
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res.status(201)
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return res.send({
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ok: 'tarball uploaded successfully'
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})
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})
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})
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// adding a version
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app.put('/:package/:version/-tag/:tag', can('publish'), media('application/json'), expect_json, function(req, res, next) {
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var name = req.params.package
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, version = req.params.version
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, tag = req.params.tag
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storage.add_version(name, version, req.body, tag, function(err) {
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if (err) return next(err)
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res.status(201)
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return res.send({
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ok: 'package published'
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})
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})
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})
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app.use(app.router)
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app.use(function(err, req, res, next) {
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if (typeof(res.report_error) !== 'function') {
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// in case of very early error this middleware may not be loaded before error is generated
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// fixing that
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error_reporting_middleware(req, res, function(){})
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}
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res.report_error(err)
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})
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return app
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}
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