v1.0.0

src/main/module/extract-zip.js

@@ -1,185 +0,0 @@
-// Copyright (c) 2014 Max Ogden and other contributors
-// All rights reserved.
-
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-
-// * Redistributions of source code must retain the above copyright notice, this
-//   list of conditions and the following disclaimer.
-
-// * Redistributions in binary form must reproduce the above copyright notice,
-//   this list of conditions and the following disclaimer in the documentation
-//   and/or other materials provided with the distribution.
-
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-// https://github.com/maxogden/extract-zip
-// eslint-disable-next-line node/no-unsupported-features/node-builtins
-const { createWriteStream, promises: fs } = require('original-fs')
-const getStream = require('get-stream')
-const path = require('path')
-const { promisify } = require('util')
-const stream = require('stream')
-const yauzl = require('yauzl')
-
-const openZip = promisify(yauzl.open)
-const pipeline = promisify(stream.pipeline)
-
-class Extractor {
-  constructor (zipPath, opts) {
-    this.zipPath = zipPath
-    this.opts = opts
-  }
-
-  async extract () {
-
-    this.zipfile = await openZip(this.zipPath, { lazyEntries: true })
-    this.canceled = false
-
-    return new Promise((resolve, reject) => {
-      this.zipfile.on('error', err => {
-        this.canceled = true
-        reject(err)
-      })
-      this.zipfile.readEntry()
-
-      this.zipfile.on('close', () => {
-        if (!this.canceled) {
-          resolve()
-        }
-      })
-
-      this.zipfile.on('entry', async entry => {
-        /* istanbul ignore if */
-        if (this.canceled) {
-          return
-        }
-
-
-        if (entry.fileName.startsWith('__MACOSX/')) {
-          this.zipfile.readEntry()
-          return
-        }
-
-        const destDir = path.dirname(path.join(this.opts.dir, entry.fileName))
-
-        try {
-          await fs.mkdir(destDir, { recursive: true })
-
-          const canonicalDestDir = await fs.realpath(destDir)
-          const relativeDestDir = path.relative(this.opts.dir, canonicalDestDir)
-
-          if (relativeDestDir.split(path.sep).includes('..')) {
-            throw new Error(`Out of bound path "${canonicalDestDir}" found while processing file ${entry.fileName}`)
-          }
-
-          await this.extractEntry(entry)
-          this.zipfile.readEntry()
-        } catch (err) {
-          this.canceled = true
-          this.zipfile.close()
-          reject(err)
-        }
-      })
-    })
-  }
-
-  async extractEntry (entry) {
-    /* istanbul ignore if */
-    if (this.canceled) {
-      return
-    }
-
-    if (this.opts.onEntry) {
-      this.opts.onEntry(entry, this.zipfile)
-    }
-
-    const dest = path.join(this.opts.dir, entry.fileName)
-
-    // convert external file attr int into a fs stat mode int
-    const mode = (entry.externalFileAttributes >> 16) & 0xFFFF
-    // check if it's a symlink or dir (using stat mode constants)
-    const IFMT = 61440
-    const IFDIR = 16384
-    const IFLNK = 40960
-    const symlink = (mode & IFMT) === IFLNK
-    let isDir = (mode & IFMT) === IFDIR
-
-    // Failsafe, borrowed from jsZip
-    if (!isDir && entry.fileName.endsWith('/')) {
-      isDir = true
-    }
-
-    // check for windows weird way of specifying a directory
-    // https://github.com/maxogden/extract-zip/issues/13#issuecomment-154494566
-    const madeBy = entry.versionMadeBy >> 8
-    if (!isDir) isDir = (madeBy === 0 && entry.externalFileAttributes === 16)
-
-
-    const procMode = this.getExtractedMode(mode, isDir) & 0o777
-
-    // always ensure folders are created
-    const destDir = isDir ? dest : path.dirname(dest)
-
-    const mkdirOptions = { recursive: true }
-    if (isDir) {
-      mkdirOptions.mode = procMode
-    }
-    await fs.mkdir(destDir, mkdirOptions)
-    if (isDir) return
-
-    const readStream = await promisify(this.zipfile.openReadStream.bind(this.zipfile))(entry)
-
-    if (symlink) {
-      const link = await getStream(readStream)
-      await fs.symlink(link, dest)
-    } else {
-      await pipeline(readStream, createWriteStream(dest, { mode: procMode }))
-    }
-  }
-
-  getExtractedMode (entryMode, isDir) {
-    let mode = entryMode
-    // Set defaults, if necessary
-    if (mode === 0) {
-      if (isDir) {
-        if (this.opts.defaultDirMode) {
-          mode = parseInt(this.opts.defaultDirMode, 10)
-        }
-
-        if (!mode) {
-          mode = 0o755
-        }
-      } else {
-        if (this.opts.defaultFileMode) {
-          mode = parseInt(this.opts.defaultFileMode, 10)
-        }
-
-        if (!mode) {
-          mode = 0o644
-        }
-      }
-    }
-
-    return mode
-  }
-}
-
-module.exports = async function (zipPath, opts) {
-
-  if (!path.isAbsolute(opts.dir)) {
-    throw new Error('Target directory is expected to be absolute')
-  }
-
-  await fs.mkdir(opts.dir, { recursive: true })
-  opts.dir = await fs.realpath(opts.dir)
-  return new Extractor(zipPath, opts).extract()
-}