FM / pacote

/usr/lib/node_modules/npm/node_modules/pacote/

/usr/lib/node_modules/npm/node_modules/pacote

Name	Size	Mode	Actions
lib/	-	0755	rm
node_modules/	-	0755	rm
extract.js	3064	0644	edit dl rm
index.js	262	0644	edit dl rm
manifest.js	1147	0644	edit dl rm
package.json	3430	0644	edit dl rm
packument.js	822	0644	edit dl rm
prefetch.js	1978	0644	edit dl rm
tarball.js	2022	0644	edit dl rm

Edit: /usr/lib/node_modules/npm/node_modules/pacote/extract.js (3064B)

'use strict'

const BB = require('bluebird')

const extractStream = require('./lib/extract-stream.js')
const fs = require('fs')
const mkdirp = BB.promisify(require('mkdirp'))
const npa = require('npm-package-arg')
const optCheck = require('./lib/util/opt-check.js')
const path = require('path')
const rimraf = BB.promisify(require('rimraf'))
const withTarballStream = require('./lib/with-tarball-stream.js')
const inferOwner = require('infer-owner')
const chown = BB.promisify(require('chownr'))

const truncateAsync = BB.promisify(fs.truncate)
const readFileAsync = BB.promisify(fs.readFile)
const appendFileAsync = BB.promisify(fs.appendFile)

// you used to call me on my...
const selfOwner = process.getuid ? {
  uid: process.getuid(),
  gid: process.getgid()
} : {
  uid: undefined,
  gid: undefined
}

module.exports = extract
function extract (spec, dest, opts) {
  opts = optCheck(opts)
  spec = npa(spec, opts.where)
  if (spec.type === 'git' && !opts.cache) {
    throw new TypeError('Extracting git packages requires a cache folder')
  }
  if (typeof dest !== 'string') {
    throw new TypeError('Extract requires a destination')
  }
  const startTime = Date.now()
  return inferOwner(dest).then(({ uid, gid }) => {
    opts = opts.concat({ uid, gid })
    return withTarballStream(spec, opts, stream => {
      return tryExtract(spec, stream, dest, opts)
    })
      .then(() => {
        if (!opts.resolved) {
          const pjson = path.join(dest, 'package.json')
          return readFileAsync(pjson, 'utf8')
            .then(str => truncateAsync(pjson)
              .then(() => appendFileAsync(pjson, str.replace(
                /}\s*$/,
                `\n,"_resolved": ${
                  JSON.stringify(opts.resolved || '')
                }\n,"_integrity": ${
                  JSON.stringify(opts.integrity || '')
                }\n,"_from": ${
                  JSON.stringify(spec.toString())
                }\n}`
              ))))
        }
      })
      .then(() => opts.log.silly(
        'extract',
        `${spec} extracted to ${dest} (${Date.now() - startTime}ms)`
      ))
  })
}

function tryExtract (spec, tarStream, dest, opts) {
  return new BB((resolve, reject) => {
    tarStream.on('error', reject)

rimraf(dest)
      .then(() => mkdirp(dest))
      .then((made) => {
        // respect the current ownership of unpack targets
        // but don't try to chown if we're not root.
        if (selfOwner.uid === 0 &&
            typeof selfOwner.gid === 'number' &&
            selfOwner.uid !== opts.uid && selfOwner.gid !== opts.gid) {
          return chown(made || dest, opts.uid, opts.gid)
        }
      })
      .then(() => {
        const xtractor = extractStream(spec, dest, opts)
        xtractor.on('error', reject)
        xtractor.on('close', resolve)
        tarStream.pipe(xtractor)
      })
      .catch(reject)
  })
    .catch(err => {
      if (err.code === 'EINTEGRITY') {
        err.message = `Verification failed while extracting ${spec}:\n${err.message}`
      }

throw err
    })
}

cmd: