mirror of
https://github.com/verdaccio/verdaccio.git
synced 2024-12-16 21:56:25 -05:00
361 lines
9.1 KiB
JavaScript
361 lines
9.1 KiB
JavaScript
var URL = require('url')
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, request = require('request')
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, stream = require('stream')
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, UError = require('./error').UserError
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, mystreams = require('./streams')
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, Logger = require('./logger')
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, utils = require('./utils')
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//
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// Implements Storage interface
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// (same for storage.js, local-storage.js, up-storage.js)
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//
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function Storage(config, mainconfig) {
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if (!(this instanceof Storage)) return new Storage(config)
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this.config = config
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this.is_alive = true
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this.userAgent = mainconfig.user_agent
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this.ca = config.ca
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this.logger = Logger.logger.child({sub: 'out'})
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this.server_id = mainconfig.server_id
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this.url = URL.parse(this.config.url)
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if (this.url.hostname === 'registry.npmjs.org') {
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this.ca = this.ca || require('./npmsslkeys')
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// npm registry is too slow working with ssl :(
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/*if (this.config._autogenerated) {
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// encrypt all the things!
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this.url.protocol = 'https'
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this.config.url = URL.format(this.url)
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}*/
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}
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_setupProxy.call(this, this.url.hostname, config, mainconfig, this.url.protocol === 'https:')
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this.config.url = this.config.url.replace(/\/$/, '')
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if (isNaN(parseFloat(this.config.timeout)) || !isFinite(this.config.timeout)) {
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this.config.timeout = 30000
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}
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return this
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}
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function _setupProxy(hostname, config, mainconfig, isHTTPS) {
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var no_proxy
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var proxy_key = isHTTPS ? 'https_proxy' : 'http_proxy'
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// get http_proxy and no_proxy configs
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if (proxy_key in config) {
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this.proxy = config[proxy_key]
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} else if (proxy_key in mainconfig) {
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this.proxy = mainconfig[proxy_key]
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}
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if ('no_proxy' in config) {
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no_proxy = config.no_proxy
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} else if ('no_proxy' in mainconfig) {
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no_proxy = mainconfig.no_proxy
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}
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// use wget-like algorithm to determine if proxy shouldn't be used
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if (hostname[0] !== '.') hostname = '.' + hostname
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if (typeof(no_proxy) === 'string' && no_proxy.length) {
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no_proxy = no_proxy.split(',')
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}
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if (Array.isArray(no_proxy)) {
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for (var i=0; i<no_proxy.length; i++) {
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var no_proxy_item = no_proxy[i]
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if (no_proxy_item[0] !== '.') no_proxy_item = '.' + no_proxy_item
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if (hostname.lastIndexOf(no_proxy_item) === hostname.length - no_proxy_item.length) {
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if (this.proxy) {
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this.logger.debug({url: this.url.href, rule: no_proxy_item}, 'not using proxy for @{url}, excluded by @{rule} rule')
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this.proxy = false
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}
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break
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}
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}
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}
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// if it's non-string (i.e. "false"), don't use it
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if (typeof(this.proxy) !== 'string') {
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delete this.proxy
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} else {
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this.logger.debug({url: this.url.href, proxy: this.proxy}, 'using proxy @{proxy} for @{url}')
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}
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}
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Storage.prototype.request = function(options, cb) {
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if (!this.status_check()) {
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var req = new stream.Readable()
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process.nextTick(function() {
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if (typeof(cb) === 'function') cb(new Error('uplink is offline'))
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req.emit('error', new Error('uplink is offline'))
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})
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// preventing 'Uncaught, unspecified "error" event'
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req.on('error', function(){})
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return req
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}
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var self = this
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, headers = options.headers || {}
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headers.Accept = headers.Accept || 'application/json'
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headers['User-Agent'] = headers['User-Agent'] || this.userAgent
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var method = options.method || 'GET'
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, uri = options.uri_full || (this.config.url + options.uri)
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self.logger.info({
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method: method,
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headers: headers,
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uri: uri,
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}, "making request: '@{method} @{uri}'")
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if (utils.is_object(options.json)) {
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var json = JSON.stringify(options.json)
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headers['Content-Type'] = headers['Content-Type'] || 'application/json'
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}
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var req = request({
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url: uri,
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method: method,
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headers: headers,
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body: json,
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ca: this.ca,
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proxy: this.proxy,
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timeout: this.config.timeout
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}, function(err, res, body) {
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var error
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if (!err) {
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var res_length = body.length
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if (options.json && res.statusCode < 300) {
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try {
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body = JSON.parse(body)
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} catch(_err) {
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body = {}
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err = _err
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error = err.message
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}
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}
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if (!err && utils.is_object(body)) {
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if (body.error) {
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error = body.error
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}
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}
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} else {
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error = err.message
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}
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var msg = '@{!status}, req: \'@{request.method} @{request.url}\''
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if (error) {
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msg += ', error: @{!error}'
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} else {
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msg += ', bytes: @{bytes.in}/@{bytes.out}'
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}
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self.logger.warn({
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err: err,
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request: {method: method, url: uri},
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level: 35, // http
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status: res != null ? res.statusCode : 'ERR',
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error: error,
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bytes: {
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in: json ? json.length : 0,
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out: res_length || 0,
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}
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}, msg)
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if (cb) cb.apply(self, arguments)
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})
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req.on('response', function(res) {
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if (!req._sinopia_aborted) self.status_check(true)
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})
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req.on('error', function() {
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if (!req._sinopia_aborted) self.status_check(false)
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})
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return req
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}
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Storage.prototype.status_check = function(alive) {
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if (arguments.length === 0) {
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if (!this.is_alive && Math.abs(Date.now() - this.is_alive_time) < 2*60*1000) {
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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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} else {
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if (this.is_alive && !alive) {
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this.logger.warn({host: this.url.host}, 'host @{host} is now offline')
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} else if (!this.is_alive && alive) {
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this.logger.info({host: this.url.host}, 'host @{host} is back online')
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}
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this.is_alive = alive
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this.is_alive_time = Date.now()
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}
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}
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Storage.prototype.can_fetch_url = function(url) {
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url = URL.parse(url)
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return url.protocol === this.url.protocol
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&& url.host === this.url.host
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&& url.path.indexOf(this.url.path) === 0
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}
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Storage.prototype.add_package = function(name, metadata, options, callback) {
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if (typeof(options) === 'function') callback = options, options = {}
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this.request({
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uri: '/' + escape(name),
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method: 'PUT',
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json: metadata,
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}, function(err, res, body) {
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if (err) return callback(err)
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if (!(res.statusCode >= 200 && res.statusCode < 300)) {
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return callback(new Error('bad status code: ' + res.statusCode))
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}
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callback(null, body)
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})
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}
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Storage.prototype.add_version = function(name, version, metadata, tag, options, callback) {
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if (typeof(options) === 'function') callback = options, options = {}
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this.request({
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uri: '/' + escape(name) + '/' + escape(version) + '/-tag/' + escape(tag),
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method: 'PUT',
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json: metadata,
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}, function(err, res, body) {
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if (err) return callback(err)
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if (!(res.statusCode >= 200 && res.statusCode < 300)) {
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return callback(new Error('bad status code: ' + res.statusCode))
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}
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callback(null, body)
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})
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}
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Storage.prototype.add_tarball = function(name, filename, options) {
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if (!options) options = {}
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var stream = new mystreams.UploadTarballStream()
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, self = this
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var wstream = this.request({
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uri: '/' + escape(name) + '/-/' + escape(filename) + '/whatever',
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method: 'PUT',
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headers: {
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'Content-Type': 'application/octet-stream'
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},
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})
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wstream.on('response', function(res) {
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if (!(res.statusCode >= 200 && res.statusCode < 300)) {
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return stream.emit('error', new UError({
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msg: 'bad uplink status code: ' + res.statusCode,
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status: 500,
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}))
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}
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stream.emit('success')
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})
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wstream.on('error', function(err) {
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stream.emit('error', err)
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})
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stream.abort = function() {
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process.nextTick(function() {
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if (wstream.req) {
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wstream._sinopia_aborted = true
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wstream.req.abort()
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}
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})
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}
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stream.done = function() {}
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stream.pipe(wstream)
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return stream
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}
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Storage.prototype.get_package = function(name, options, callback) {
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if (typeof(options) === 'function') callback = options, options = {}
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var headers = {}
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if (options.etag) {
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headers['If-None-Match'] = options.etag
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}
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this._add_proxy_headers(options.req, headers)
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this.request({
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uri: '/' + escape(name),
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json: true,
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headers: headers,
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}, function(err, res, body) {
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if (err) return callback(err)
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if (res.statusCode === 404) {
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return callback(new UError({
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msg: 'package doesn\'t exist on uplink',
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status: 404,
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}))
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}
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if (!(res.statusCode >= 200 && res.statusCode < 300)) {
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return callback(new Error('bad status code: ' + res.statusCode))
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}
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callback(null, body, res.headers.etag)
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})
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}
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Storage.prototype.get_tarball = function(name, options, filename) {
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if (!options) options = {}
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return this.get_url(this.config.url + '/' + name + '/-/' + filename)
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}
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Storage.prototype.get_url = function(url) {
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var stream = new mystreams.ReadTarballStream()
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stream.abort = function() {}
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var rstream = this.request({
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uri_full: url,
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encoding: null,
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})
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rstream.on('response', function(res) {
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if (res.statusCode === 404) {
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return stream.emit('error', new UError({
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msg: 'file doesn\'t exist on uplink',
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status: 404,
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}))
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}
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if (!(res.statusCode >= 200 && res.statusCode < 300)) {
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return stream.emit('error', new UError({
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msg: 'bad uplink status code: ' + res.statusCode,
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status: 500,
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}))
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}
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rstream.pipe(stream)
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})
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rstream.on('error', function(err) {
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stream.emit('error', err)
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})
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return stream
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}
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Storage.prototype._add_proxy_headers = function(req, headers) {
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if (req) {
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headers['X-Forwarded-For'] = (
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(req && req.headers['x-forwarded-for']) ?
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req.headers['x-forwarded-for'] + ', ' :
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''
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) + req.connection.remoteAddress
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}
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// always attach Via header to avoid loops, even if we're not proxying
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headers['Via'] =
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(req && req.headers['via']) ?
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req.headers['via'] + ', ' :
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''
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headers['Via'] += '1.1 ' + this.server_id + ' (Sinopia)'
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}
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module.exports = Storage
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