\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/alt-nodejs9/root/lib/node_modules/npm/node_modules/pacote/lib/fetchers/registry/

Viewing File: fetch.js

'use strict'

const BB = require('bluebird')
const Buffer = require('safe-buffer').Buffer

const checkWarnings = require('./check-warning-header')
const fetch = require('make-fetch-happen')
const registryKey = require('./registry-key')
const url = require('url')

module.exports = regFetch
function regFetch (uri, registry, opts) {
  const startTime = Date.now()
  return fetch(uri, {
    agent: opts.agent,
    algorithms: opts.algorithms,
    cache: getCacheMode(opts),
    cacheManager: opts.cache,
    ca: opts.ca,
    cert: opts.cert,
    headers: getHeaders(uri, registry, opts),
    integrity: opts.integrity,
    key: opts.key,
    localAddress: opts.localAddress,
    maxSockets: opts.maxSockets,
    memoize: opts.memoize,
    noProxy: opts.noProxy,
    Promise: BB,
    proxy: opts.proxy,
    referer: opts.refer,
    retry: opts.retry,
    strictSSL: !!opts.strictSSL,
    timeout: opts.timeout,
    uid: opts.uid,
    gid: opts.gid
  }).then(res => {
    if (res.headers.has('npm-notice') && !res.headers.has('x-local-cache')) {
      opts.log.warn('notice', res.headers.get('npm-notice'))
    }
    checkWarnings(res, registry, opts)
    if (res.status >= 400) {
      const err = new Error(`${res.status} ${res.statusText}: ${
        opts.spec ? opts.spec : uri
      }`)
      err.code = `E${res.status}`
      err.uri = uri
      err.response = res
      err.spec = opts.spec
      logRequest(uri, res, startTime, opts)
      throw err
    } else {
      res.body.on('end', () => logRequest(uri, res, startTime, opts))
      return res
    }
  })
}

function logRequest (uri, res, startTime, opts) {
  const elapsedTime = Date.now() - startTime
  const attempt = res.headers.get('x-fetch-attempts')
  const attemptStr = attempt && attempt > 1 ? ` attempt #${attempt}` : ''
  const cacheStr = res.headers.get('x-local-cache') ? ' (from cache)' : ''
  opts.log.http(
    'fetch',
    `GET ${res.status} ${uri} ${elapsedTime}ms${attemptStr}${cacheStr}`
  )
}

function getCacheMode (opts) {
  return opts.offline
  ? 'only-if-cached'
  : opts.preferOffline
  ? 'force-cache'
  : opts.preferOnline
  ? 'no-cache'
  : 'default'
}

function getHeaders (uri, registry, opts) {
  const headers = Object.assign({
    'npm-in-ci': opts.isFromCI,
    'npm-scope': opts.projectScope,
    'npm-session': opts.npmSession,
    'user-agent': opts.userAgent,
    'referer': opts.refer
  }, opts.headers)
  // check for auth settings specific to this registry
  let auth = (
    opts.auth &&
    opts.auth[registryKey(registry)]
  ) || opts.auth
  // If a tarball is hosted on a different place than the manifest, only send
  // credentials on `alwaysAuth`
  const shouldAuth = auth && (
    auth.alwaysAuth ||
    url.parse(uri).host === url.parse(registry).host
  )
  if (shouldAuth && auth.token) {
    headers.authorization = `Bearer ${auth.token}`
  } else if (shouldAuth && auth.username && auth.password) {
    const encoded = Buffer.from(
      `${auth.username}:${auth.password}`, 'utf8'
    ).toString('base64')
    headers.authorization = `Basic ${encoded}`
  } else if (shouldAuth && auth._auth) {
    headers.authorization = `Basic ${auth._auth}`
  }
  return headers
}