Your IP : 216.73.216.86
PK �[�\T��# # package.jsonnu �[��� {
"_id": "tar@6.2.1",
"_inBundle": true,
"_location": "/npm/tar",
"_phantomChildren": {
"yallist": "4.0.0"
},
"_requiredBy": [
"/npm",
"/npm/cacache",
"/npm/libnpmdiff",
"/npm/node-gyp",
"/npm/pacote"
],
"author": {
"name": "GitHub Inc."
},
"bugs": {
"url": "https://github.com/isaacs/node-tar/issues"
},
"dependencies": {
"chownr": "^2.0.0",
"fs-minipass": "^2.0.0",
"minipass": "^5.0.0",
"minizlib": "^2.1.1",
"mkdirp": "^1.0.3",
"yallist": "^4.0.0"
},
"description": "tar for node",
"devDependencies": {
"@npmcli/eslint-config": "^4.0.0",
"@npmcli/template-oss": "4.11.0",
"chmodr": "^1.2.0",
"end-of-stream": "^1.4.3",
"events-to-array": "^2.0.3",
"mutate-fs": "^2.1.1",
"nock": "^13.2.9",
"rimraf": "^3.0.2",
"tap": "^16.0.1"
},
"engines": {
"node": ">=10"
},
"files": [
"bin/",
"lib/",
"index.js"
],
"homepage": "https://github.com/isaacs/node-tar#readme",
"license": "ISC",
"name": "tar",
"repository": {
"type": "git",
"url": "git+https://github.com/isaacs/node-tar.git"
},
"scripts": {
"genparse": "node scripts/generate-parse-fixtures.js",
"snap": "tap",
"test": "tap"
},
"tap": {
"coverage-map": "map.js",
"timeout": 0,
"nyc-arg": [
"--exclude",
"tap-snapshots/**"
]
},
"templateOSS": {
"//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
"version": "4.11.0",
"content": "scripts/template-oss",
"engines": ">=10",
"distPaths": [
"index.js"
],
"allowPaths": [
"/index.js"
],
"ciVersions": [
"10.x",
"12.x",
"14.x",
"16.x",
"18.x"
]
},
"version": "6.2.1"
}
PK �[�\��� " node_modules/minipass/package.jsonnu �[��� {
"_id": "minipass@5.0.0",
"_inBundle": true,
"_location": "/npm/tar/minipass",
"_phantomChildren": {},
"_requiredBy": [
"/npm/tar"
],
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/isaacs/minipass/issues"
},
"description": "minimal implementation of a PassThrough stream",
"devDependencies": {
"@types/node": "^17.0.41",
"end-of-stream": "^1.4.0",
"node-abort-controller": "^3.1.1",
"prettier": "^2.6.2",
"tap": "^16.2.0",
"through2": "^2.0.3",
"ts-node": "^10.8.1",
"typedoc": "^0.23.24",
"typescript": "^4.7.3"
},
"engines": {
"node": ">=8"
},
"exports": {
".": {
"import": {
"types": "./index.d.ts",
"default": "./index.mjs"
},
"require": {
"types": "./index.d.ts",
"default": "./index.js"
}
},
"./package.json": "./package.json"
},
"files": [
"index.d.ts",
"index.js",
"index.mjs"
],
"homepage": "https://github.com/isaacs/minipass#readme",
"keywords": [
"passthrough",
"stream"
],
"license": "ISC",
"main": "./index.js",
"module": "./index.mjs",
"name": "minipass",
"prettier": {
"semi": false,
"printWidth": 80,
"tabWidth": 2,
"useTabs": false,
"singleQuote": true,
"jsxSingleQuote": false,
"bracketSameLine": true,
"arrowParens": "avoid",
"endOfLine": "lf"
},
"repository": {
"type": "git",
"url": "git+https://github.com/isaacs/minipass.git"
},
"scripts": {
"format": "prettier --write . --loglevel warn",
"postpublish": "git push origin --follow-tags",
"postversion": "npm publish",
"prepare": "node ./scripts/transpile-to-esm.js",
"presnap": "npm run prepare",
"pretest": "npm run prepare",
"preversion": "npm test",
"snap": "tap",
"test": "tap",
"typedoc": "typedoc ./index.d.ts"
},
"tap": {
"check-coverage": true
},
"types": "./index.d.ts",
"version": "5.0.0"
}
PK �[�\�Ҁ node_modules/minipass/LICENSEnu �[��� The ISC License
Copyright (c) 2017-2023 npm, Inc., Isaac Z. Schlueter, and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
PK �[�\�31JwH wH node_modules/minipass/index.jsnu �[��� 'use strict'
const proc =
typeof process === 'object' && process
? process
: {
stdout: null,
stderr: null,
}
const EE = require('events')
const Stream = require('stream')
const stringdecoder = require('string_decoder')
const SD = stringdecoder.StringDecoder
const EOF = Symbol('EOF')
const MAYBE_EMIT_END = Symbol('maybeEmitEnd')
const EMITTED_END = Symbol('emittedEnd')
const EMITTING_END = Symbol('emittingEnd')
const EMITTED_ERROR = Symbol('emittedError')
const CLOSED = Symbol('closed')
const READ = Symbol('read')
const FLUSH = Symbol('flush')
const FLUSHCHUNK = Symbol('flushChunk')
const ENCODING = Symbol('encoding')
const DECODER = Symbol('decoder')
const FLOWING = Symbol('flowing')
const PAUSED = Symbol('paused')
const RESUME = Symbol('resume')
const BUFFER = Symbol('buffer')
const PIPES = Symbol('pipes')
const BUFFERLENGTH = Symbol('bufferLength')
const BUFFERPUSH = Symbol('bufferPush')
const BUFFERSHIFT = Symbol('bufferShift')
const OBJECTMODE = Symbol('objectMode')
// internal event when stream is destroyed
const DESTROYED = Symbol('destroyed')
// internal event when stream has an error
const ERROR = Symbol('error')
const EMITDATA = Symbol('emitData')
const EMITEND = Symbol('emitEnd')
const EMITEND2 = Symbol('emitEnd2')
const ASYNC = Symbol('async')
const ABORT = Symbol('abort')
const ABORTED = Symbol('aborted')
const SIGNAL = Symbol('signal')
const defer = fn => Promise.resolve().then(fn)
// TODO remove when Node v8 support drops
const doIter = global._MP_NO_ITERATOR_SYMBOLS_ !== '1'
const ASYNCITERATOR =
(doIter && Symbol.asyncIterator) || Symbol('asyncIterator not implemented')
const ITERATOR =
(doIter && Symbol.iterator) || Symbol('iterator not implemented')
// events that mean 'the stream is over'
// these are treated specially, and re-emitted
// if they are listened for after emitting.
const isEndish = ev => ev === 'end' || ev === 'finish' || ev === 'prefinish'
const isArrayBuffer = b =>
b instanceof ArrayBuffer ||
(typeof b === 'object' &&
b.constructor &&
b.constructor.name === 'ArrayBuffer' &&
b.byteLength >= 0)
const isArrayBufferView = b => !Buffer.isBuffer(b) && ArrayBuffer.isView(b)
class Pipe {
constructor(src, dest, opts) {
this.src = src
this.dest = dest
this.opts = opts
this.ondrain = () => src[RESUME]()
dest.on('drain', this.ondrain)
}
unpipe() {
this.dest.removeListener('drain', this.ondrain)
}
// istanbul ignore next - only here for the prototype
proxyErrors() {}
end() {
this.unpipe()
if (this.opts.end) this.dest.end()
}
}
class PipeProxyErrors extends Pipe {
unpipe() {
this.src.removeListener('error', this.proxyErrors)
super.unpipe()
}
constructor(src, dest, opts) {
super(src, dest, opts)
this.proxyErrors = er => dest.emit('error', er)
src.on('error', this.proxyErrors)
}
}
class Minipass extends Stream {
constructor(options) {
super()
this[FLOWING] = false
// whether we're explicitly paused
this[PAUSED] = false
this[PIPES] = []
this[BUFFER] = []
this[OBJECTMODE] = (options && options.objectMode) || false
if (this[OBJECTMODE]) this[ENCODING] = null
else this[ENCODING] = (options && options.encoding) || null
if (this[ENCODING] === 'buffer') this[ENCODING] = null
this[ASYNC] = (options && !!options.async) || false
this[DECODER] = this[ENCODING] ? new SD(this[ENCODING]) : null
this[EOF] = false
this[EMITTED_END] = false
this[EMITTING_END] = false
this[CLOSED] = false
this[EMITTED_ERROR] = null
this.writable = true
this.readable = true
this[BUFFERLENGTH] = 0
this[DESTROYED] = false
if (options && options.debugExposeBuffer === true) {
Object.defineProperty(this, 'buffer', { get: () => this[BUFFER] })
}
if (options && options.debugExposePipes === true) {
Object.defineProperty(this, 'pipes', { get: () => this[PIPES] })
}
this[SIGNAL] = options && options.signal
this[ABORTED] = false
if (this[SIGNAL]) {
this[SIGNAL].addEventListener('abort', () => this[ABORT]())
if (this[SIGNAL].aborted) {
this[ABORT]()
}
}
}
get bufferLength() {
return this[BUFFERLENGTH]
}
get encoding() {
return this[ENCODING]
}
set encoding(enc) {
if (this[OBJECTMODE]) throw new Error('cannot set encoding in objectMode')
if (
this[ENCODING] &&
enc !== this[ENCODING] &&
((this[DECODER] && this[DECODER].lastNeed) || this[BUFFERLENGTH])
)
throw new Error('cannot change encoding')
if (this[ENCODING] !== enc) {
this[DECODER] = enc ? new SD(enc) : null
if (this[BUFFER].length)
this[BUFFER] = this[BUFFER].map(chunk => this[DECODER].write(chunk))
}
this[ENCODING] = enc
}
setEncoding(enc) {
this.encoding = enc
}
get objectMode() {
return this[OBJECTMODE]
}
set objectMode(om) {
this[OBJECTMODE] = this[OBJECTMODE] || !!om
}
get ['async']() {
return this[ASYNC]
}
set ['async'](a) {
this[ASYNC] = this[ASYNC] || !!a
}
// drop everything and get out of the flow completely
[ABORT]() {
this[ABORTED] = true
this.emit('abort', this[SIGNAL].reason)
this.destroy(this[SIGNAL].reason)
}
get aborted() {
return this[ABORTED]
}
set aborted(_) {}
write(chunk, encoding, cb) {
if (this[ABORTED]) return false
if (this[EOF]) throw new Error('write after end')
if (this[DESTROYED]) {
this.emit(
'error',
Object.assign(
new Error('Cannot call write after a stream was destroyed'),
{ code: 'ERR_STREAM_DESTROYED' }
)
)
return true
}
if (typeof encoding === 'function') (cb = encoding), (encoding = 'utf8')
if (!encoding) encoding = 'utf8'
const fn = this[ASYNC] ? defer : f => f()
// convert array buffers and typed array views into buffers
// at some point in the future, we may want to do the opposite!
// leave strings and buffers as-is
// anything else switches us into object mode
if (!this[OBJECTMODE] && !Buffer.isBuffer(chunk)) {
if (isArrayBufferView(chunk))
chunk = Buffer.from(chunk.buffer, chunk.byteOffset, chunk.byteLength)
else if (isArrayBuffer(chunk)) chunk = Buffer.from(chunk)
else if (typeof chunk !== 'string')
// use the setter so we throw if we have encoding set
this.objectMode = true
}
// handle object mode up front, since it's simpler
// this yields better performance, fewer checks later.
if (this[OBJECTMODE]) {
/* istanbul ignore if - maybe impossible? */
if (this.flowing && this[BUFFERLENGTH] !== 0) this[FLUSH](true)
if (this.flowing) this.emit('data', chunk)
else this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0) this.emit('readable')
if (cb) fn(cb)
return this.flowing
}
// at this point the chunk is a buffer or string
// don't buffer it up or send it to the decoder
if (!chunk.length) {
if (this[BUFFERLENGTH] !== 0) this.emit('readable')
if (cb) fn(cb)
return this.flowing
}
// fast-path writing strings of same encoding to a stream with
// an empty buffer, skipping the buffer/decoder dance
if (
typeof chunk === 'string' &&
// unless it is a string already ready for us to use
!(encoding === this[ENCODING] && !this[DECODER].lastNeed)
) {
chunk = Buffer.from(chunk, encoding)
}
if (Buffer.isBuffer(chunk) && this[ENCODING])
chunk = this[DECODER].write(chunk)
// Note: flushing CAN potentially switch us into not-flowing mode
if (this.flowing && this[BUFFERLENGTH] !== 0) this[FLUSH](true)
if (this.flowing) this.emit('data', chunk)
else this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0) this.emit('readable')
if (cb) fn(cb)
return this.flowing
}
read(n) {
if (this[DESTROYED]) return null
if (this[BUFFERLENGTH] === 0 || n === 0 || n > this[BUFFERLENGTH]) {
this[MAYBE_EMIT_END]()
return null
}
if (this[OBJECTMODE]) n = null
if (this[BUFFER].length > 1 && !this[OBJECTMODE]) {
if (this.encoding) this[BUFFER] = [this[BUFFER].join('')]
else this[BUFFER] = [Buffer.concat(this[BUFFER], this[BUFFERLENGTH])]
}
const ret = this[READ](n || null, this[BUFFER][0])
this[MAYBE_EMIT_END]()
return ret
}
[READ](n, chunk) {
if (n === chunk.length || n === null) this[BUFFERSHIFT]()
else {
this[BUFFER][0] = chunk.slice(n)
chunk = chunk.slice(0, n)
this[BUFFERLENGTH] -= n
}
this.emit('data', chunk)
if (!this[BUFFER].length && !this[EOF]) this.emit('drain')
return chunk
}
end(chunk, encoding, cb) {
if (typeof chunk === 'function') (cb = chunk), (chunk = null)
if (typeof encoding === 'function') (cb = encoding), (encoding = 'utf8')
if (chunk) this.write(chunk, encoding)
if (cb) this.once('end', cb)
this[EOF] = true
this.writable = false
// if we haven't written anything, then go ahead and emit,
// even if we're not reading.
// we'll re-emit if a new 'end' listener is added anyway.
// This makes MP more suitable to write-only use cases.
if (this.flowing || !this[PAUSED]) this[MAYBE_EMIT_END]()
return this
}
// don't let the internal resume be overwritten
[RESUME]() {
if (this[DESTROYED]) return
this[PAUSED] = false
this[FLOWING] = true
this.emit('resume')
if (this[BUFFER].length) this[FLUSH]()
else if (this[EOF]) this[MAYBE_EMIT_END]()
else this.emit('drain')
}
resume() {
return this[RESUME]()
}
pause() {
this[FLOWING] = false
this[PAUSED] = true
}
get destroyed() {
return this[DESTROYED]
}
get flowing() {
return this[FLOWING]
}
get paused() {
return this[PAUSED]
}
[BUFFERPUSH](chunk) {
if (this[OBJECTMODE]) this[BUFFERLENGTH] += 1
else this[BUFFERLENGTH] += chunk.length
this[BUFFER].push(chunk)
}
[BUFFERSHIFT]() {
if (this[OBJECTMODE]) this[BUFFERLENGTH] -= 1
else this[BUFFERLENGTH] -= this[BUFFER][0].length
return this[BUFFER].shift()
}
[FLUSH](noDrain) {
do {} while (this[FLUSHCHUNK](this[BUFFERSHIFT]()) && this[BUFFER].length)
if (!noDrain && !this[BUFFER].length && !this[EOF]) this.emit('drain')
}
[FLUSHCHUNK](chunk) {
this.emit('data', chunk)
return this.flowing
}
pipe(dest, opts) {
if (this[DESTROYED]) return
const ended = this[EMITTED_END]
opts = opts || {}
if (dest === proc.stdout || dest === proc.stderr) opts.end = false
else opts.end = opts.end !== false
opts.proxyErrors = !!opts.proxyErrors
// piping an ended stream ends immediately
if (ended) {
if (opts.end) dest.end()
} else {
this[PIPES].push(
!opts.proxyErrors
? new Pipe(this, dest, opts)
: new PipeProxyErrors(this, dest, opts)
)
if (this[ASYNC]) defer(() => this[RESUME]())
else this[RESUME]()
}
return dest
}
unpipe(dest) {
const p = this[PIPES].find(p => p.dest === dest)
if (p) {
this[PIPES].splice(this[PIPES].indexOf(p), 1)
p.unpipe()
}
}
addListener(ev, fn) {
return this.on(ev, fn)
}
on(ev, fn) {
const ret = super.on(ev, fn)
if (ev === 'data' && !this[PIPES].length && !this.flowing) this[RESUME]()
else if (ev === 'readable' && this[BUFFERLENGTH] !== 0)
super.emit('readable')
else if (isEndish(ev) && this[EMITTED_END]) {
super.emit(ev)
this.removeAllListeners(ev)
} else if (ev === 'error' && this[EMITTED_ERROR]) {
if (this[ASYNC]) defer(() => fn.call(this, this[EMITTED_ERROR]))
else fn.call(this, this[EMITTED_ERROR])
}
return ret
}
get emittedEnd() {
return this[EMITTED_END]
}
[MAYBE_EMIT_END]() {
if (
!this[EMITTING_END] &&
!this[EMITTED_END] &&
!this[DESTROYED] &&
this[BUFFER].length === 0 &&
this[EOF]
) {
this[EMITTING_END] = true
this.emit('end')
this.emit('prefinish')
this.emit('finish')
if (this[CLOSED]) this.emit('close')
this[EMITTING_END] = false
}
}
emit(ev, data, ...extra) {
// error and close are only events allowed after calling destroy()
if (ev !== 'error' && ev !== 'close' && ev !== DESTROYED && this[DESTROYED])
return
else if (ev === 'data') {
return !this[OBJECTMODE] && !data
? false
: this[ASYNC]
? defer(() => this[EMITDATA](data))
: this[EMITDATA](data)
} else if (ev === 'end') {
return this[EMITEND]()
} else if (ev === 'close') {
this[CLOSED] = true
// don't emit close before 'end' and 'finish'
if (!this[EMITTED_END] && !this[DESTROYED]) return
const ret = super.emit('close')
this.removeAllListeners('close')
return ret
} else if (ev === 'error') {
this[EMITTED_ERROR] = data
super.emit(ERROR, data)
const ret =
!this[SIGNAL] || this.listeners('error').length
? super.emit('error', data)
: false
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'resume') {
const ret = super.emit('resume')
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'finish' || ev === 'prefinish') {
const ret = super.emit(ev)
this.removeAllListeners(ev)
return ret
}
// Some other unknown event
const ret = super.emit(ev, data, ...extra)
this[MAYBE_EMIT_END]()
return ret
}
[EMITDATA](data) {
for (const p of this[PIPES]) {
if (p.dest.write(data) === false) this.pause()
}
const ret = super.emit('data', data)
this[MAYBE_EMIT_END]()
return ret
}
[EMITEND]() {
if (this[EMITTED_END]) return
this[EMITTED_END] = true
this.readable = false
if (this[ASYNC]) defer(() => this[EMITEND2]())
else this[EMITEND2]()
}
[EMITEND2]() {
if (this[DECODER]) {
const data = this[DECODER].end()
if (data) {
for (const p of this[PIPES]) {
p.dest.write(data)
}
super.emit('data', data)
}
}
for (const p of this[PIPES]) {
p.end()
}
const ret = super.emit('end')
this.removeAllListeners('end')
return ret
}
// const all = await stream.collect()
collect() {
const buf = []
if (!this[OBJECTMODE]) buf.dataLength = 0
// set the promise first, in case an error is raised
// by triggering the flow here.
const p = this.promise()
this.on('data', c => {
buf.push(c)
if (!this[OBJECTMODE]) buf.dataLength += c.length
})
return p.then(() => buf)
}
// const data = await stream.concat()
concat() {
return this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this.collect().then(buf =>
this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this[ENCODING]
? buf.join('')
: Buffer.concat(buf, buf.dataLength)
)
}
// stream.promise().then(() => done, er => emitted error)
promise() {
return new Promise((resolve, reject) => {
this.on(DESTROYED, () => reject(new Error('stream destroyed')))
this.on('error', er => reject(er))
this.on('end', () => resolve())
})
}
// for await (let chunk of stream)
[ASYNCITERATOR]() {
let stopped = false
const stop = () => {
this.pause()
stopped = true
return Promise.resolve({ done: true })
}
const next = () => {
if (stopped) return stop()
const res = this.read()
if (res !== null) return Promise.resolve({ done: false, value: res })
if (this[EOF]) return stop()
let resolve = null
let reject = null
const onerr = er => {
this.removeListener('data', ondata)
this.removeListener('end', onend)
this.removeListener(DESTROYED, ondestroy)
stop()
reject(er)
}
const ondata = value => {
this.removeListener('error', onerr)
this.removeListener('end', onend)
this.removeListener(DESTROYED, ondestroy)
this.pause()
resolve({ value: value, done: !!this[EOF] })
}
const onend = () => {
this.removeListener('error', onerr)
this.removeListener('data', ondata)
this.removeListener(DESTROYED, ondestroy)
stop()
resolve({ done: true })
}
const ondestroy = () => onerr(new Error('stream destroyed'))
return new Promise((res, rej) => {
reject = rej
resolve = res
this.once(DESTROYED, ondestroy)
this.once('error', onerr)
this.once('end', onend)
this.once('data', ondata)
})
}
return {
next,
throw: stop,
return: stop,
[ASYNCITERATOR]() {
return this
},
}
}
// for (let chunk of stream)
[ITERATOR]() {
let stopped = false
const stop = () => {
this.pause()
this.removeListener(ERROR, stop)
this.removeListener(DESTROYED, stop)
this.removeListener('end', stop)
stopped = true
return { done: true }
}
const next = () => {
if (stopped) return stop()
const value = this.read()
return value === null ? stop() : { value }
}
this.once('end', stop)
this.once(ERROR, stop)
this.once(DESTROYED, stop)
return {
next,
throw: stop,
return: stop,
[ITERATOR]() {
return this
},
}
}
destroy(er) {
if (this[DESTROYED]) {
if (er) this.emit('error', er)
else this.emit(DESTROYED)
return this
}
this[DESTROYED] = true
// throw away all buffered data, it's never coming out
this[BUFFER].length = 0
this[BUFFERLENGTH] = 0
if (typeof this.close === 'function' && !this[CLOSED]) this.close()
if (er) this.emit('error', er)
// if no error to emit, still reject pending promises
else this.emit(DESTROYED)
return this
}
static isStream(s) {
return (
!!s &&
(s instanceof Minipass ||
s instanceof Stream ||
(s instanceof EE &&
// readable
(typeof s.pipe === 'function' ||
// writable
(typeof s.write === 'function' && typeof s.end === 'function'))))
)
}
}
exports.Minipass = Minipass
PK �[�\ B�TH TH node_modules/minipass/index.mjsnu �[��� 'use strict'
const proc =
typeof process === 'object' && process
? process
: {
stdout: null,
stderr: null,
}
import EE from 'events'
import Stream from 'stream'
import stringdecoder from 'string_decoder'
const SD = stringdecoder.StringDecoder
const EOF = Symbol('EOF')
const MAYBE_EMIT_END = Symbol('maybeEmitEnd')
const EMITTED_END = Symbol('emittedEnd')
const EMITTING_END = Symbol('emittingEnd')
const EMITTED_ERROR = Symbol('emittedError')
const CLOSED = Symbol('closed')
const READ = Symbol('read')
const FLUSH = Symbol('flush')
const FLUSHCHUNK = Symbol('flushChunk')
const ENCODING = Symbol('encoding')
const DECODER = Symbol('decoder')
const FLOWING = Symbol('flowing')
const PAUSED = Symbol('paused')
const RESUME = Symbol('resume')
const BUFFER = Symbol('buffer')
const PIPES = Symbol('pipes')
const BUFFERLENGTH = Symbol('bufferLength')
const BUFFERPUSH = Symbol('bufferPush')
const BUFFERSHIFT = Symbol('bufferShift')
const OBJECTMODE = Symbol('objectMode')
// internal event when stream is destroyed
const DESTROYED = Symbol('destroyed')
// internal event when stream has an error
const ERROR = Symbol('error')
const EMITDATA = Symbol('emitData')
const EMITEND = Symbol('emitEnd')
const EMITEND2 = Symbol('emitEnd2')
const ASYNC = Symbol('async')
const ABORT = Symbol('abort')
const ABORTED = Symbol('aborted')
const SIGNAL = Symbol('signal')
const defer = fn => Promise.resolve().then(fn)
// TODO remove when Node v8 support drops
const doIter = global._MP_NO_ITERATOR_SYMBOLS_ !== '1'
const ASYNCITERATOR =
(doIter && Symbol.asyncIterator) || Symbol('asyncIterator not implemented')
const ITERATOR =
(doIter && Symbol.iterator) || Symbol('iterator not implemented')
// events that mean 'the stream is over'
// these are treated specially, and re-emitted
// if they are listened for after emitting.
const isEndish = ev => ev === 'end' || ev === 'finish' || ev === 'prefinish'
const isArrayBuffer = b =>
b instanceof ArrayBuffer ||
(typeof b === 'object' &&
b.constructor &&
b.constructor.name === 'ArrayBuffer' &&
b.byteLength >= 0)
const isArrayBufferView = b => !Buffer.isBuffer(b) && ArrayBuffer.isView(b)
class Pipe {
constructor(src, dest, opts) {
this.src = src
this.dest = dest
this.opts = opts
this.ondrain = () => src[RESUME]()
dest.on('drain', this.ondrain)
}
unpipe() {
this.dest.removeListener('drain', this.ondrain)
}
// istanbul ignore next - only here for the prototype
proxyErrors() {}
end() {
this.unpipe()
if (this.opts.end) this.dest.end()
}
}
class PipeProxyErrors extends Pipe {
unpipe() {
this.src.removeListener('error', this.proxyErrors)
super.unpipe()
}
constructor(src, dest, opts) {
super(src, dest, opts)
this.proxyErrors = er => dest.emit('error', er)
src.on('error', this.proxyErrors)
}
}
export class Minipass extends Stream {
constructor(options) {
super()
this[FLOWING] = false
// whether we're explicitly paused
this[PAUSED] = false
this[PIPES] = []
this[BUFFER] = []
this[OBJECTMODE] = (options && options.objectMode) || false
if (this[OBJECTMODE]) this[ENCODING] = null
else this[ENCODING] = (options && options.encoding) || null
if (this[ENCODING] === 'buffer') this[ENCODING] = null
this[ASYNC] = (options && !!options.async) || false
this[DECODER] = this[ENCODING] ? new SD(this[ENCODING]) : null
this[EOF] = false
this[EMITTED_END] = false
this[EMITTING_END] = false
this[CLOSED] = false
this[EMITTED_ERROR] = null
this.writable = true
this.readable = true
this[BUFFERLENGTH] = 0
this[DESTROYED] = false
if (options && options.debugExposeBuffer === true) {
Object.defineProperty(this, 'buffer', { get: () => this[BUFFER] })
}
if (options && options.debugExposePipes === true) {
Object.defineProperty(this, 'pipes', { get: () => this[PIPES] })
}
this[SIGNAL] = options && options.signal
this[ABORTED] = false
if (this[SIGNAL]) {
this[SIGNAL].addEventListener('abort', () => this[ABORT]())
if (this[SIGNAL].aborted) {
this[ABORT]()
}
}
}
get bufferLength() {
return this[BUFFERLENGTH]
}
get encoding() {
return this[ENCODING]
}
set encoding(enc) {
if (this[OBJECTMODE]) throw new Error('cannot set encoding in objectMode')
if (
this[ENCODING] &&
enc !== this[ENCODING] &&
((this[DECODER] && this[DECODER].lastNeed) || this[BUFFERLENGTH])
)
throw new Error('cannot change encoding')
if (this[ENCODING] !== enc) {
this[DECODER] = enc ? new SD(enc) : null
if (this[BUFFER].length)
this[BUFFER] = this[BUFFER].map(chunk => this[DECODER].write(chunk))
}
this[ENCODING] = enc
}
setEncoding(enc) {
this.encoding = enc
}
get objectMode() {
return this[OBJECTMODE]
}
set objectMode(om) {
this[OBJECTMODE] = this[OBJECTMODE] || !!om
}
get ['async']() {
return this[ASYNC]
}
set ['async'](a) {
this[ASYNC] = this[ASYNC] || !!a
}
// drop everything and get out of the flow completely
[ABORT]() {
this[ABORTED] = true
this.emit('abort', this[SIGNAL].reason)
this.destroy(this[SIGNAL].reason)
}
get aborted() {
return this[ABORTED]
}
set aborted(_) {}
write(chunk, encoding, cb) {
if (this[ABORTED]) return false
if (this[EOF]) throw new Error('write after end')
if (this[DESTROYED]) {
this.emit(
'error',
Object.assign(
new Error('Cannot call write after a stream was destroyed'),
{ code: 'ERR_STREAM_DESTROYED' }
)
)
return true
}
if (typeof encoding === 'function') (cb = encoding), (encoding = 'utf8')
if (!encoding) encoding = 'utf8'
const fn = this[ASYNC] ? defer : f => f()
// convert array buffers and typed array views into buffers
// at some point in the future, we may want to do the opposite!
// leave strings and buffers as-is
// anything else switches us into object mode
if (!this[OBJECTMODE] && !Buffer.isBuffer(chunk)) {
if (isArrayBufferView(chunk))
chunk = Buffer.from(chunk.buffer, chunk.byteOffset, chunk.byteLength)
else if (isArrayBuffer(chunk)) chunk = Buffer.from(chunk)
else if (typeof chunk !== 'string')
// use the setter so we throw if we have encoding set
this.objectMode = true
}
// handle object mode up front, since it's simpler
// this yields better performance, fewer checks later.
if (this[OBJECTMODE]) {
/* istanbul ignore if - maybe impossible? */
if (this.flowing && this[BUFFERLENGTH] !== 0) this[FLUSH](true)
if (this.flowing) this.emit('data', chunk)
else this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0) this.emit('readable')
if (cb) fn(cb)
return this.flowing
}
// at this point the chunk is a buffer or string
// don't buffer it up or send it to the decoder
if (!chunk.length) {
if (this[BUFFERLENGTH] !== 0) this.emit('readable')
if (cb) fn(cb)
return this.flowing
}
// fast-path writing strings of same encoding to a stream with
// an empty buffer, skipping the buffer/decoder dance
if (
typeof chunk === 'string' &&
// unless it is a string already ready for us to use
!(encoding === this[ENCODING] && !this[DECODER].lastNeed)
) {
chunk = Buffer.from(chunk, encoding)
}
if (Buffer.isBuffer(chunk) && this[ENCODING])
chunk = this[DECODER].write(chunk)
// Note: flushing CAN potentially switch us into not-flowing mode
if (this.flowing && this[BUFFERLENGTH] !== 0) this[FLUSH](true)
if (this.flowing) this.emit('data', chunk)
else this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0) this.emit('readable')
if (cb) fn(cb)
return this.flowing
}
read(n) {
if (this[DESTROYED]) return null
if (this[BUFFERLENGTH] === 0 || n === 0 || n > this[BUFFERLENGTH]) {
this[MAYBE_EMIT_END]()
return null
}
if (this[OBJECTMODE]) n = null
if (this[BUFFER].length > 1 && !this[OBJECTMODE]) {
if (this.encoding) this[BUFFER] = [this[BUFFER].join('')]
else this[BUFFER] = [Buffer.concat(this[BUFFER], this[BUFFERLENGTH])]
}
const ret = this[READ](n || null, this[BUFFER][0])
this[MAYBE_EMIT_END]()
return ret
}
[READ](n, chunk) {
if (n === chunk.length || n === null) this[BUFFERSHIFT]()
else {
this[BUFFER][0] = chunk.slice(n)
chunk = chunk.slice(0, n)
this[BUFFERLENGTH] -= n
}
this.emit('data', chunk)
if (!this[BUFFER].length && !this[EOF]) this.emit('drain')
return chunk
}
end(chunk, encoding, cb) {
if (typeof chunk === 'function') (cb = chunk), (chunk = null)
if (typeof encoding === 'function') (cb = encoding), (encoding = 'utf8')
if (chunk) this.write(chunk, encoding)
if (cb) this.once('end', cb)
this[EOF] = true
this.writable = false
// if we haven't written anything, then go ahead and emit,
// even if we're not reading.
// we'll re-emit if a new 'end' listener is added anyway.
// This makes MP more suitable to write-only use cases.
if (this.flowing || !this[PAUSED]) this[MAYBE_EMIT_END]()
return this
}
// don't let the internal resume be overwritten
[RESUME]() {
if (this[DESTROYED]) return
this[PAUSED] = false
this[FLOWING] = true
this.emit('resume')
if (this[BUFFER].length) this[FLUSH]()
else if (this[EOF]) this[MAYBE_EMIT_END]()
else this.emit('drain')
}
resume() {
return this[RESUME]()
}
pause() {
this[FLOWING] = false
this[PAUSED] = true
}
get destroyed() {
return this[DESTROYED]
}
get flowing() {
return this[FLOWING]
}
get paused() {
return this[PAUSED]
}
[BUFFERPUSH](chunk) {
if (this[OBJECTMODE]) this[BUFFERLENGTH] += 1
else this[BUFFERLENGTH] += chunk.length
this[BUFFER].push(chunk)
}
[BUFFERSHIFT]() {
if (this[OBJECTMODE]) this[BUFFERLENGTH] -= 1
else this[BUFFERLENGTH] -= this[BUFFER][0].length
return this[BUFFER].shift()
}
[FLUSH](noDrain) {
do {} while (this[FLUSHCHUNK](this[BUFFERSHIFT]()) && this[BUFFER].length)
if (!noDrain && !this[BUFFER].length && !this[EOF]) this.emit('drain')
}
[FLUSHCHUNK](chunk) {
this.emit('data', chunk)
return this.flowing
}
pipe(dest, opts) {
if (this[DESTROYED]) return
const ended = this[EMITTED_END]
opts = opts || {}
if (dest === proc.stdout || dest === proc.stderr) opts.end = false
else opts.end = opts.end !== false
opts.proxyErrors = !!opts.proxyErrors
// piping an ended stream ends immediately
if (ended) {
if (opts.end) dest.end()
} else {
this[PIPES].push(
!opts.proxyErrors
? new Pipe(this, dest, opts)
: new PipeProxyErrors(this, dest, opts)
)
if (this[ASYNC]) defer(() => this[RESUME]())
else this[RESUME]()
}
return dest
}
unpipe(dest) {
const p = this[PIPES].find(p => p.dest === dest)
if (p) {
this[PIPES].splice(this[PIPES].indexOf(p), 1)
p.unpipe()
}
}
addListener(ev, fn) {
return this.on(ev, fn)
}
on(ev, fn) {
const ret = super.on(ev, fn)
if (ev === 'data' && !this[PIPES].length && !this.flowing) this[RESUME]()
else if (ev === 'readable' && this[BUFFERLENGTH] !== 0)
super.emit('readable')
else if (isEndish(ev) && this[EMITTED_END]) {
super.emit(ev)
this.removeAllListeners(ev)
} else if (ev === 'error' && this[EMITTED_ERROR]) {
if (this[ASYNC]) defer(() => fn.call(this, this[EMITTED_ERROR]))
else fn.call(this, this[EMITTED_ERROR])
}
return ret
}
get emittedEnd() {
return this[EMITTED_END]
}
[MAYBE_EMIT_END]() {
if (
!this[EMITTING_END] &&
!this[EMITTED_END] &&
!this[DESTROYED] &&
this[BUFFER].length === 0 &&
this[EOF]
) {
this[EMITTING_END] = true
this.emit('end')
this.emit('prefinish')
this.emit('finish')
if (this[CLOSED]) this.emit('close')
this[EMITTING_END] = false
}
}
emit(ev, data, ...extra) {
// error and close are only events allowed after calling destroy()
if (ev !== 'error' && ev !== 'close' && ev !== DESTROYED && this[DESTROYED])
return
else if (ev === 'data') {
return !this[OBJECTMODE] && !data
? false
: this[ASYNC]
? defer(() => this[EMITDATA](data))
: this[EMITDATA](data)
} else if (ev === 'end') {
return this[EMITEND]()
} else if (ev === 'close') {
this[CLOSED] = true
// don't emit close before 'end' and 'finish'
if (!this[EMITTED_END] && !this[DESTROYED]) return
const ret = super.emit('close')
this.removeAllListeners('close')
return ret
} else if (ev === 'error') {
this[EMITTED_ERROR] = data
super.emit(ERROR, data)
const ret =
!this[SIGNAL] || this.listeners('error').length
? super.emit('error', data)
: false
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'resume') {
const ret = super.emit('resume')
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'finish' || ev === 'prefinish') {
const ret = super.emit(ev)
this.removeAllListeners(ev)
return ret
}
// Some other unknown event
const ret = super.emit(ev, data, ...extra)
this[MAYBE_EMIT_END]()
return ret
}
[EMITDATA](data) {
for (const p of this[PIPES]) {
if (p.dest.write(data) === false) this.pause()
}
const ret = super.emit('data', data)
this[MAYBE_EMIT_END]()
return ret
}
[EMITEND]() {
if (this[EMITTED_END]) return
this[EMITTED_END] = true
this.readable = false
if (this[ASYNC]) defer(() => this[EMITEND2]())
else this[EMITEND2]()
}
[EMITEND2]() {
if (this[DECODER]) {
const data = this[DECODER].end()
if (data) {
for (const p of this[PIPES]) {
p.dest.write(data)
}
super.emit('data', data)
}
}
for (const p of this[PIPES]) {
p.end()
}
const ret = super.emit('end')
this.removeAllListeners('end')
return ret
}
// const all = await stream.collect()
collect() {
const buf = []
if (!this[OBJECTMODE]) buf.dataLength = 0
// set the promise first, in case an error is raised
// by triggering the flow here.
const p = this.promise()
this.on('data', c => {
buf.push(c)
if (!this[OBJECTMODE]) buf.dataLength += c.length
})
return p.then(() => buf)
}
// const data = await stream.concat()
concat() {
return this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this.collect().then(buf =>
this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this[ENCODING]
? buf.join('')
: Buffer.concat(buf, buf.dataLength)
)
}
// stream.promise().then(() => done, er => emitted error)
promise() {
return new Promise((resolve, reject) => {
this.on(DESTROYED, () => reject(new Error('stream destroyed')))
this.on('error', er => reject(er))
this.on('end', () => resolve())
})
}
// for await (let chunk of stream)
[ASYNCITERATOR]() {
let stopped = false
const stop = () => {
this.pause()
stopped = true
return Promise.resolve({ done: true })
}
const next = () => {
if (stopped) return stop()
const res = this.read()
if (res !== null) return Promise.resolve({ done: false, value: res })
if (this[EOF]) return stop()
let resolve = null
let reject = null
const onerr = er => {
this.removeListener('data', ondata)
this.removeListener('end', onend)
this.removeListener(DESTROYED, ondestroy)
stop()
reject(er)
}
const ondata = value => {
this.removeListener('error', onerr)
this.removeListener('end', onend)
this.removeListener(DESTROYED, ondestroy)
this.pause()
resolve({ value: value, done: !!this[EOF] })
}
const onend = () => {
this.removeListener('error', onerr)
this.removeListener('data', ondata)
this.removeListener(DESTROYED, ondestroy)
stop()
resolve({ done: true })
}
const ondestroy = () => onerr(new Error('stream destroyed'))
return new Promise((res, rej) => {
reject = rej
resolve = res
this.once(DESTROYED, ondestroy)
this.once('error', onerr)
this.once('end', onend)
this.once('data', ondata)
})
}
return {
next,
throw: stop,
return: stop,
[ASYNCITERATOR]() {
return this
},
}
}
// for (let chunk of stream)
[ITERATOR]() {
let stopped = false
const stop = () => {
this.pause()
this.removeListener(ERROR, stop)
this.removeListener(DESTROYED, stop)
this.removeListener('end', stop)
stopped = true
return { done: true }
}
const next = () => {
if (stopped) return stop()
const value = this.read()
return value === null ? stop() : { value }
}
this.once('end', stop)
this.once(ERROR, stop)
this.once(DESTROYED, stop)
return {
next,
throw: stop,
return: stop,
[ITERATOR]() {
return this
},
}
}
destroy(er) {
if (this[DESTROYED]) {
if (er) this.emit('error', er)
else this.emit(DESTROYED)
return this
}
this[DESTROYED] = true
// throw away all buffered data, it's never coming out
this[BUFFER].length = 0
this[BUFFERLENGTH] = 0
if (typeof this.close === 'function' && !this[CLOSED]) this.close()
if (er) this.emit('error', er)
// if no error to emit, still reject pending promises
else this.emit(DESTROYED)
return this
}
static isStream(s) {
return (
!!s &&
(s instanceof Minipass ||
s instanceof Stream ||
(s instanceof EE &&
// readable
(typeof s.pipe === 'function' ||
// writable
(typeof s.write === 'function' && typeof s.end === 'function'))))
)
}
}
PK �[�\�APB B % node_modules/fs-minipass/package.jsonnu �[��� {
"_id": "fs-minipass@2.1.0",
"_inBundle": true,
"_location": "/npm/tar/fs-minipass",
"_phantomChildren": {
"yallist": "4.0.0"
},
"_requiredBy": [
"/npm/tar"
],
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/npm/fs-minipass/issues"
},
"dependencies": {
"minipass": "^3.0.0"
},
"description": "fs read and write streams based on minipass",
"devDependencies": {
"mutate-fs": "^2.0.1",
"tap": "^14.6.4"
},
"engines": {
"node": ">= 8"
},
"files": [
"index.js"
],
"homepage": "https://github.com/npm/fs-minipass#readme",
"keywords": [],
"license": "ISC",
"main": "index.js",
"name": "fs-minipass",
"repository": {
"type": "git",
"url": "git+https://github.com/npm/fs-minipass.git"
},
"scripts": {
"postpublish": "git push origin --follow-tags",
"postversion": "npm publish",
"preversion": "npm test",
"test": "tap"
},
"tap": {
"check-coverage": true
},
"version": "2.1.0"
}
PK �[�\�|i� � ; node_modules/fs-minipass/node_modules/minipass/package.jsonnu �[��� {
"_id": "minipass@3.3.6",
"_inBundle": true,
"_location": "/npm/tar/fs-minipass/minipass",
"_phantomChildren": {},
"_requiredBy": [
"/npm/tar/fs-minipass"
],
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/isaacs/minipass/issues"
},
"dependencies": {
"yallist": "^4.0.0"
},
"description": "minimal implementation of a PassThrough stream",
"devDependencies": {
"@types/node": "^17.0.41",
"end-of-stream": "^1.4.0",
"prettier": "^2.6.2",
"tap": "^16.2.0",
"through2": "^2.0.3",
"ts-node": "^10.8.1",
"typescript": "^4.7.3"
},
"engines": {
"node": ">=8"
},
"files": [
"index.d.ts",
"index.js"
],
"homepage": "https://github.com/isaacs/minipass#readme",
"keywords": [
"passthrough",
"stream"
],
"license": "ISC",
"main": "index.js",
"name": "minipass",
"prettier": {
"semi": false,
"printWidth": 80,
"tabWidth": 2,
"useTabs": false,
"singleQuote": true,
"jsxSingleQuote": false,
"bracketSameLine": true,
"arrowParens": "avoid",
"endOfLine": "lf"
},
"repository": {
"type": "git",
"url": "git+https://github.com/isaacs/minipass.git"
},
"scripts": {
"postpublish": "git push origin --follow-tags",
"postversion": "npm publish",
"preversion": "npm test",
"test": "tap"
},
"tap": {
"check-coverage": true
},
"types": "index.d.ts",
"version": "3.3.6"
}
PK �[�\��� 6 node_modules/fs-minipass/node_modules/minipass/LICENSEnu �[��� The ISC License
Copyright (c) 2017-2022 npm, Inc., Isaac Z. Schlueter, and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
PK �[�\-�@ �@ 7 node_modules/fs-minipass/node_modules/minipass/index.jsnu �[��� 'use strict'
const proc = typeof process === 'object' && process ? process : {
stdout: null,
stderr: null,
}
const EE = require('events')
const Stream = require('stream')
const SD = require('string_decoder').StringDecoder
const EOF = Symbol('EOF')
const MAYBE_EMIT_END = Symbol('maybeEmitEnd')
const EMITTED_END = Symbol('emittedEnd')
const EMITTING_END = Symbol('emittingEnd')
const EMITTED_ERROR = Symbol('emittedError')
const CLOSED = Symbol('closed')
const READ = Symbol('read')
const FLUSH = Symbol('flush')
const FLUSHCHUNK = Symbol('flushChunk')
const ENCODING = Symbol('encoding')
const DECODER = Symbol('decoder')
const FLOWING = Symbol('flowing')
const PAUSED = Symbol('paused')
const RESUME = Symbol('resume')
const BUFFERLENGTH = Symbol('bufferLength')
const BUFFERPUSH = Symbol('bufferPush')
const BUFFERSHIFT = Symbol('bufferShift')
const OBJECTMODE = Symbol('objectMode')
const DESTROYED = Symbol('destroyed')
const EMITDATA = Symbol('emitData')
const EMITEND = Symbol('emitEnd')
const EMITEND2 = Symbol('emitEnd2')
const ASYNC = Symbol('async')
const defer = fn => Promise.resolve().then(fn)
// TODO remove when Node v8 support drops
const doIter = global._MP_NO_ITERATOR_SYMBOLS_ !== '1'
const ASYNCITERATOR = doIter && Symbol.asyncIterator
|| Symbol('asyncIterator not implemented')
const ITERATOR = doIter && Symbol.iterator
|| Symbol('iterator not implemented')
// events that mean 'the stream is over'
// these are treated specially, and re-emitted
// if they are listened for after emitting.
const isEndish = ev =>
ev === 'end' ||
ev === 'finish' ||
ev === 'prefinish'
const isArrayBuffer = b => b instanceof ArrayBuffer ||
typeof b === 'object' &&
b.constructor &&
b.constructor.name === 'ArrayBuffer' &&
b.byteLength >= 0
const isArrayBufferView = b => !Buffer.isBuffer(b) && ArrayBuffer.isView(b)
class Pipe {
constructor (src, dest, opts) {
this.src = src
this.dest = dest
this.opts = opts
this.ondrain = () => src[RESUME]()
dest.on('drain', this.ondrain)
}
unpipe () {
this.dest.removeListener('drain', this.ondrain)
}
// istanbul ignore next - only here for the prototype
proxyErrors () {}
end () {
this.unpipe()
if (this.opts.end)
this.dest.end()
}
}
class PipeProxyErrors extends Pipe {
unpipe () {
this.src.removeListener('error', this.proxyErrors)
super.unpipe()
}
constructor (src, dest, opts) {
super(src, dest, opts)
this.proxyErrors = er => dest.emit('error', er)
src.on('error', this.proxyErrors)
}
}
module.exports = class Minipass extends Stream {
constructor (options) {
super()
this[FLOWING] = false
// whether we're explicitly paused
this[PAUSED] = false
this.pipes = []
this.buffer = []
this[OBJECTMODE] = options && options.objectMode || false
if (this[OBJECTMODE])
this[ENCODING] = null
else
this[ENCODING] = options && options.encoding || null
if (this[ENCODING] === 'buffer')
this[ENCODING] = null
this[ASYNC] = options && !!options.async || false
this[DECODER] = this[ENCODING] ? new SD(this[ENCODING]) : null
this[EOF] = false
this[EMITTED_END] = false
this[EMITTING_END] = false
this[CLOSED] = false
this[EMITTED_ERROR] = null
this.writable = true
this.readable = true
this[BUFFERLENGTH] = 0
this[DESTROYED] = false
}
get bufferLength () { return this[BUFFERLENGTH] }
get encoding () { return this[ENCODING] }
set encoding (enc) {
if (this[OBJECTMODE])
throw new Error('cannot set encoding in objectMode')
if (this[ENCODING] && enc !== this[ENCODING] &&
(this[DECODER] && this[DECODER].lastNeed || this[BUFFERLENGTH]))
throw new Error('cannot change encoding')
if (this[ENCODING] !== enc) {
this[DECODER] = enc ? new SD(enc) : null
if (this.buffer.length)
this.buffer = this.buffer.map(chunk => this[DECODER].write(chunk))
}
this[ENCODING] = enc
}
setEncoding (enc) {
this.encoding = enc
}
get objectMode () { return this[OBJECTMODE] }
set objectMode (om) { this[OBJECTMODE] = this[OBJECTMODE] || !!om }
get ['async'] () { return this[ASYNC] }
set ['async'] (a) { this[ASYNC] = this[ASYNC] || !!a }
write (chunk, encoding, cb) {
if (this[EOF])
throw new Error('write after end')
if (this[DESTROYED]) {
this.emit('error', Object.assign(
new Error('Cannot call write after a stream was destroyed'),
{ code: 'ERR_STREAM_DESTROYED' }
))
return true
}
if (typeof encoding === 'function')
cb = encoding, encoding = 'utf8'
if (!encoding)
encoding = 'utf8'
const fn = this[ASYNC] ? defer : f => f()
// convert array buffers and typed array views into buffers
// at some point in the future, we may want to do the opposite!
// leave strings and buffers as-is
// anything else switches us into object mode
if (!this[OBJECTMODE] && !Buffer.isBuffer(chunk)) {
if (isArrayBufferView(chunk))
chunk = Buffer.from(chunk.buffer, chunk.byteOffset, chunk.byteLength)
else if (isArrayBuffer(chunk))
chunk = Buffer.from(chunk)
else if (typeof chunk !== 'string')
// use the setter so we throw if we have encoding set
this.objectMode = true
}
// handle object mode up front, since it's simpler
// this yields better performance, fewer checks later.
if (this[OBJECTMODE]) {
/* istanbul ignore if - maybe impossible? */
if (this.flowing && this[BUFFERLENGTH] !== 0)
this[FLUSH](true)
if (this.flowing)
this.emit('data', chunk)
else
this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0)
this.emit('readable')
if (cb)
fn(cb)
return this.flowing
}
// at this point the chunk is a buffer or string
// don't buffer it up or send it to the decoder
if (!chunk.length) {
if (this[BUFFERLENGTH] !== 0)
this.emit('readable')
if (cb)
fn(cb)
return this.flowing
}
// fast-path writing strings of same encoding to a stream with
// an empty buffer, skipping the buffer/decoder dance
if (typeof chunk === 'string' &&
// unless it is a string already ready for us to use
!(encoding === this[ENCODING] && !this[DECODER].lastNeed)) {
chunk = Buffer.from(chunk, encoding)
}
if (Buffer.isBuffer(chunk) && this[ENCODING])
chunk = this[DECODER].write(chunk)
// Note: flushing CAN potentially switch us into not-flowing mode
if (this.flowing && this[BUFFERLENGTH] !== 0)
this[FLUSH](true)
if (this.flowing)
this.emit('data', chunk)
else
this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0)
this.emit('readable')
if (cb)
fn(cb)
return this.flowing
}
read (n) {
if (this[DESTROYED])
return null
if (this[BUFFERLENGTH] === 0 || n === 0 || n > this[BUFFERLENGTH]) {
this[MAYBE_EMIT_END]()
return null
}
if (this[OBJECTMODE])
n = null
if (this.buffer.length > 1 && !this[OBJECTMODE]) {
if (this.encoding)
this.buffer = [this.buffer.join('')]
else
this.buffer = [Buffer.concat(this.buffer, this[BUFFERLENGTH])]
}
const ret = this[READ](n || null, this.buffer[0])
this[MAYBE_EMIT_END]()
return ret
}
[READ] (n, chunk) {
if (n === chunk.length || n === null)
this[BUFFERSHIFT]()
else {
this.buffer[0] = chunk.slice(n)
chunk = chunk.slice(0, n)
this[BUFFERLENGTH] -= n
}
this.emit('data', chunk)
if (!this.buffer.length && !this[EOF])
this.emit('drain')
return chunk
}
end (chunk, encoding, cb) {
if (typeof chunk === 'function')
cb = chunk, chunk = null
if (typeof encoding === 'function')
cb = encoding, encoding = 'utf8'
if (chunk)
this.write(chunk, encoding)
if (cb)
this.once('end', cb)
this[EOF] = true
this.writable = false
// if we haven't written anything, then go ahead and emit,
// even if we're not reading.
// we'll re-emit if a new 'end' listener is added anyway.
// This makes MP more suitable to write-only use cases.
if (this.flowing || !this[PAUSED])
this[MAYBE_EMIT_END]()
return this
}
// don't let the internal resume be overwritten
[RESUME] () {
if (this[DESTROYED])
return
this[PAUSED] = false
this[FLOWING] = true
this.emit('resume')
if (this.buffer.length)
this[FLUSH]()
else if (this[EOF])
this[MAYBE_EMIT_END]()
else
this.emit('drain')
}
resume () {
return this[RESUME]()
}
pause () {
this[FLOWING] = false
this[PAUSED] = true
}
get destroyed () {
return this[DESTROYED]
}
get flowing () {
return this[FLOWING]
}
get paused () {
return this[PAUSED]
}
[BUFFERPUSH] (chunk) {
if (this[OBJECTMODE])
this[BUFFERLENGTH] += 1
else
this[BUFFERLENGTH] += chunk.length
this.buffer.push(chunk)
}
[BUFFERSHIFT] () {
if (this.buffer.length) {
if (this[OBJECTMODE])
this[BUFFERLENGTH] -= 1
else
this[BUFFERLENGTH] -= this.buffer[0].length
}
return this.buffer.shift()
}
[FLUSH] (noDrain) {
do {} while (this[FLUSHCHUNK](this[BUFFERSHIFT]()))
if (!noDrain && !this.buffer.length && !this[EOF])
this.emit('drain')
}
[FLUSHCHUNK] (chunk) {
return chunk ? (this.emit('data', chunk), this.flowing) : false
}
pipe (dest, opts) {
if (this[DESTROYED])
return
const ended = this[EMITTED_END]
opts = opts || {}
if (dest === proc.stdout || dest === proc.stderr)
opts.end = false
else
opts.end = opts.end !== false
opts.proxyErrors = !!opts.proxyErrors
// piping an ended stream ends immediately
if (ended) {
if (opts.end)
dest.end()
} else {
this.pipes.push(!opts.proxyErrors ? new Pipe(this, dest, opts)
: new PipeProxyErrors(this, dest, opts))
if (this[ASYNC])
defer(() => this[RESUME]())
else
this[RESUME]()
}
return dest
}
unpipe (dest) {
const p = this.pipes.find(p => p.dest === dest)
if (p) {
this.pipes.splice(this.pipes.indexOf(p), 1)
p.unpipe()
}
}
addListener (ev, fn) {
return this.on(ev, fn)
}
on (ev, fn) {
const ret = super.on(ev, fn)
if (ev === 'data' && !this.pipes.length && !this.flowing)
this[RESUME]()
else if (ev === 'readable' && this[BUFFERLENGTH] !== 0)
super.emit('readable')
else if (isEndish(ev) && this[EMITTED_END]) {
super.emit(ev)
this.removeAllListeners(ev)
} else if (ev === 'error' && this[EMITTED_ERROR]) {
if (this[ASYNC])
defer(() => fn.call(this, this[EMITTED_ERROR]))
else
fn.call(this, this[EMITTED_ERROR])
}
return ret
}
get emittedEnd () {
return this[EMITTED_END]
}
[MAYBE_EMIT_END] () {
if (!this[EMITTING_END] &&
!this[EMITTED_END] &&
!this[DESTROYED] &&
this.buffer.length === 0 &&
this[EOF]) {
this[EMITTING_END] = true
this.emit('end')
this.emit('prefinish')
this.emit('finish')
if (this[CLOSED])
this.emit('close')
this[EMITTING_END] = false
}
}
emit (ev, data, ...extra) {
// error and close are only events allowed after calling destroy()
if (ev !== 'error' && ev !== 'close' && ev !== DESTROYED && this[DESTROYED])
return
else if (ev === 'data') {
return !data ? false
: this[ASYNC] ? defer(() => this[EMITDATA](data))
: this[EMITDATA](data)
} else if (ev === 'end') {
return this[EMITEND]()
} else if (ev === 'close') {
this[CLOSED] = true
// don't emit close before 'end' and 'finish'
if (!this[EMITTED_END] && !this[DESTROYED])
return
const ret = super.emit('close')
this.removeAllListeners('close')
return ret
} else if (ev === 'error') {
this[EMITTED_ERROR] = data
const ret = super.emit('error', data)
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'resume') {
const ret = super.emit('resume')
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'finish' || ev === 'prefinish') {
const ret = super.emit(ev)
this.removeAllListeners(ev)
return ret
}
// Some other unknown event
const ret = super.emit(ev, data, ...extra)
this[MAYBE_EMIT_END]()
return ret
}
[EMITDATA] (data) {
for (const p of this.pipes) {
if (p.dest.write(data) === false)
this.pause()
}
const ret = super.emit('data', data)
this[MAYBE_EMIT_END]()
return ret
}
[EMITEND] () {
if (this[EMITTED_END])
return
this[EMITTED_END] = true
this.readable = false
if (this[ASYNC])
defer(() => this[EMITEND2]())
else
this[EMITEND2]()
}
[EMITEND2] () {
if (this[DECODER]) {
const data = this[DECODER].end()
if (data) {
for (const p of this.pipes) {
p.dest.write(data)
}
super.emit('data', data)
}
}
for (const p of this.pipes) {
p.end()
}
const ret = super.emit('end')
this.removeAllListeners('end')
return ret
}
// const all = await stream.collect()
collect () {
const buf = []
if (!this[OBJECTMODE])
buf.dataLength = 0
// set the promise first, in case an error is raised
// by triggering the flow here.
const p = this.promise()
this.on('data', c => {
buf.push(c)
if (!this[OBJECTMODE])
buf.dataLength += c.length
})
return p.then(() => buf)
}
// const data = await stream.concat()
concat () {
return this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this.collect().then(buf =>
this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this[ENCODING] ? buf.join('') : Buffer.concat(buf, buf.dataLength))
}
// stream.promise().then(() => done, er => emitted error)
promise () {
return new Promise((resolve, reject) => {
this.on(DESTROYED, () => reject(new Error('stream destroyed')))
this.on('error', er => reject(er))
this.on('end', () => resolve())
})
}
// for await (let chunk of stream)
[ASYNCITERATOR] () {
const next = () => {
const res = this.read()
if (res !== null)
return Promise.resolve({ done: false, value: res })
if (this[EOF])
return Promise.resolve({ done: true })
let resolve = null
let reject = null
const onerr = er => {
this.removeListener('data', ondata)
this.removeListener('end', onend)
reject(er)
}
const ondata = value => {
this.removeListener('error', onerr)
this.removeListener('end', onend)
this.pause()
resolve({ value: value, done: !!this[EOF] })
}
const onend = () => {
this.removeListener('error', onerr)
this.removeListener('data', ondata)
resolve({ done: true })
}
const ondestroy = () => onerr(new Error('stream destroyed'))
return new Promise((res, rej) => {
reject = rej
resolve = res
this.once(DESTROYED, ondestroy)
this.once('error', onerr)
this.once('end', onend)
this.once('data', ondata)
})
}
return { next }
}
// for (let chunk of stream)
[ITERATOR] () {
const next = () => {
const value = this.read()
const done = value === null
return { value, done }
}
return { next }
}
destroy (er) {
if (this[DESTROYED]) {
if (er)
this.emit('error', er)
else
this.emit(DESTROYED)
return this
}
this[DESTROYED] = true
// throw away all buffered data, it's never coming out
this.buffer.length = 0
this[BUFFERLENGTH] = 0
if (typeof this.close === 'function' && !this[CLOSED])
this.close()
if (er)
this.emit('error', er)
else // if no error to emit, still reject pending promises
this.emit(DESTROYED)
return this
}
static isStream (s) {
return !!s && (s instanceof Minipass || s instanceof Stream ||
s instanceof EE && (
typeof s.pipe === 'function' || // readable
(typeof s.write === 'function' && typeof s.end === 'function') // writable
))
}
}
PK �[�\�aGW� � node_modules/fs-minipass/LICENSEnu �[��� The ISC License
Copyright (c) Isaac Z. Schlueter and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
PK �[�\t3��' ' ! node_modules/fs-minipass/index.jsnu �[��� 'use strict'
const MiniPass = require('minipass')
const EE = require('events').EventEmitter
const fs = require('fs')
let writev = fs.writev
/* istanbul ignore next */
if (!writev) {
// This entire block can be removed if support for earlier than Node.js
// 12.9.0 is not needed.
const binding = process.binding('fs')
const FSReqWrap = binding.FSReqWrap || binding.FSReqCallback
writev = (fd, iovec, pos, cb) => {
const done = (er, bw) => cb(er, bw, iovec)
const req = new FSReqWrap()
req.oncomplete = done
binding.writeBuffers(fd, iovec, pos, req)
}
}
const _autoClose = Symbol('_autoClose')
const _close = Symbol('_close')
const _ended = Symbol('_ended')
const _fd = Symbol('_fd')
const _finished = Symbol('_finished')
const _flags = Symbol('_flags')
const _flush = Symbol('_flush')
const _handleChunk = Symbol('_handleChunk')
const _makeBuf = Symbol('_makeBuf')
const _mode = Symbol('_mode')
const _needDrain = Symbol('_needDrain')
const _onerror = Symbol('_onerror')
const _onopen = Symbol('_onopen')
const _onread = Symbol('_onread')
const _onwrite = Symbol('_onwrite')
const _open = Symbol('_open')
const _path = Symbol('_path')
const _pos = Symbol('_pos')
const _queue = Symbol('_queue')
const _read = Symbol('_read')
const _readSize = Symbol('_readSize')
const _reading = Symbol('_reading')
const _remain = Symbol('_remain')
const _size = Symbol('_size')
const _write = Symbol('_write')
const _writing = Symbol('_writing')
const _defaultFlag = Symbol('_defaultFlag')
const _errored = Symbol('_errored')
class ReadStream extends MiniPass {
constructor (path, opt) {
opt = opt || {}
super(opt)
this.readable = true
this.writable = false
if (typeof path !== 'string')
throw new TypeError('path must be a string')
this[_errored] = false
this[_fd] = typeof opt.fd === 'number' ? opt.fd : null
this[_path] = path
this[_readSize] = opt.readSize || 16*1024*1024
this[_reading] = false
this[_size] = typeof opt.size === 'number' ? opt.size : Infinity
this[_remain] = this[_size]
this[_autoClose] = typeof opt.autoClose === 'boolean' ?
opt.autoClose : true
if (typeof this[_fd] === 'number')
this[_read]()
else
this[_open]()
}
get fd () { return this[_fd] }
get path () { return this[_path] }
write () {
throw new TypeError('this is a readable stream')
}
end () {
throw new TypeError('this is a readable stream')
}
[_open] () {
fs.open(this[_path], 'r', (er, fd) => this[_onopen](er, fd))
}
[_onopen] (er, fd) {
if (er)
this[_onerror](er)
else {
this[_fd] = fd
this.emit('open', fd)
this[_read]()
}
}
[_makeBuf] () {
return Buffer.allocUnsafe(Math.min(this[_readSize], this[_remain]))
}
[_read] () {
if (!this[_reading]) {
this[_reading] = true
const buf = this[_makeBuf]()
/* istanbul ignore if */
if (buf.length === 0)
return process.nextTick(() => this[_onread](null, 0, buf))
fs.read(this[_fd], buf, 0, buf.length, null, (er, br, buf) =>
this[_onread](er, br, buf))
}
}
[_onread] (er, br, buf) {
this[_reading] = false
if (er)
this[_onerror](er)
else if (this[_handleChunk](br, buf))
this[_read]()
}
[_close] () {
if (this[_autoClose] && typeof this[_fd] === 'number') {
const fd = this[_fd]
this[_fd] = null
fs.close(fd, er => er ? this.emit('error', er) : this.emit('close'))
}
}
[_onerror] (er) {
this[_reading] = true
this[_close]()
this.emit('error', er)
}
[_handleChunk] (br, buf) {
let ret = false
// no effect if infinite
this[_remain] -= br
if (br > 0)
ret = super.write(br < buf.length ? buf.slice(0, br) : buf)
if (br === 0 || this[_remain] <= 0) {
ret = false
this[_close]()
super.end()
}
return ret
}
emit (ev, data) {
switch (ev) {
case 'prefinish':
case 'finish':
break
case 'drain':
if (typeof this[_fd] === 'number')
this[_read]()
break
case 'error':
if (this[_errored])
return
this[_errored] = true
return super.emit(ev, data)
default:
return super.emit(ev, data)
}
}
}
class ReadStreamSync extends ReadStream {
[_open] () {
let threw = true
try {
this[_onopen](null, fs.openSync(this[_path], 'r'))
threw = false
} finally {
if (threw)
this[_close]()
}
}
[_read] () {
let threw = true
try {
if (!this[_reading]) {
this[_reading] = true
do {
const buf = this[_makeBuf]()
/* istanbul ignore next */
const br = buf.length === 0 ? 0
: fs.readSync(this[_fd], buf, 0, buf.length, null)
if (!this[_handleChunk](br, buf))
break
} while (true)
this[_reading] = false
}
threw = false
} finally {
if (threw)
this[_close]()
}
}
[_close] () {
if (this[_autoClose] && typeof this[_fd] === 'number') {
const fd = this[_fd]
this[_fd] = null
fs.closeSync(fd)
this.emit('close')
}
}
}
class WriteStream extends EE {
constructor (path, opt) {
opt = opt || {}
super(opt)
this.readable = false
this.writable = true
this[_errored] = false
this[_writing] = false
this[_ended] = false
this[_needDrain] = false
this[_queue] = []
this[_path] = path
this[_fd] = typeof opt.fd === 'number' ? opt.fd : null
this[_mode] = opt.mode === undefined ? 0o666 : opt.mode
this[_pos] = typeof opt.start === 'number' ? opt.start : null
this[_autoClose] = typeof opt.autoClose === 'boolean' ?
opt.autoClose : true
// truncating makes no sense when writing into the middle
const defaultFlag = this[_pos] !== null ? 'r+' : 'w'
this[_defaultFlag] = opt.flags === undefined
this[_flags] = this[_defaultFlag] ? defaultFlag : opt.flags
if (this[_fd] === null)
this[_open]()
}
emit (ev, data) {
if (ev === 'error') {
if (this[_errored])
return
this[_errored] = true
}
return super.emit(ev, data)
}
get fd () { return this[_fd] }
get path () { return this[_path] }
[_onerror] (er) {
this[_close]()
this[_writing] = true
this.emit('error', er)
}
[_open] () {
fs.open(this[_path], this[_flags], this[_mode],
(er, fd) => this[_onopen](er, fd))
}
[_onopen] (er, fd) {
if (this[_defaultFlag] &&
this[_flags] === 'r+' &&
er && er.code === 'ENOENT') {
this[_flags] = 'w'
this[_open]()
} else if (er)
this[_onerror](er)
else {
this[_fd] = fd
this.emit('open', fd)
this[_flush]()
}
}
end (buf, enc) {
if (buf)
this.write(buf, enc)
this[_ended] = true
// synthetic after-write logic, where drain/finish live
if (!this[_writing] && !this[_queue].length &&
typeof this[_fd] === 'number')
this[_onwrite](null, 0)
return this
}
write (buf, enc) {
if (typeof buf === 'string')
buf = Buffer.from(buf, enc)
if (this[_ended]) {
this.emit('error', new Error('write() after end()'))
return false
}
if (this[_fd] === null || this[_writing] || this[_queue].length) {
this[_queue].push(buf)
this[_needDrain] = true
return false
}
this[_writing] = true
this[_write](buf)
return true
}
[_write] (buf) {
fs.write(this[_fd], buf, 0, buf.length, this[_pos], (er, bw) =>
this[_onwrite](er, bw))
}
[_onwrite] (er, bw) {
if (er)
this[_onerror](er)
else {
if (this[_pos] !== null)
this[_pos] += bw
if (this[_queue].length)
this[_flush]()
else {
this[_writing] = false
if (this[_ended] && !this[_finished]) {
this[_finished] = true
this[_close]()
this.emit('finish')
} else if (this[_needDrain]) {
this[_needDrain] = false
this.emit('drain')
}
}
}
}
[_flush] () {
if (this[_queue].length === 0) {
if (this[_ended])
this[_onwrite](null, 0)
} else if (this[_queue].length === 1)
this[_write](this[_queue].pop())
else {
const iovec = this[_queue]
this[_queue] = []
writev(this[_fd], iovec, this[_pos],
(er, bw) => this[_onwrite](er, bw))
}
}
[_close] () {
if (this[_autoClose] && typeof this[_fd] === 'number') {
const fd = this[_fd]
this[_fd] = null
fs.close(fd, er => er ? this.emit('error', er) : this.emit('close'))
}
}
}
class WriteStreamSync extends WriteStream {
[_open] () {
let fd
// only wrap in a try{} block if we know we'll retry, to avoid
// the rethrow obscuring the error's source frame in most cases.
if (this[_defaultFlag] && this[_flags] === 'r+') {
try {
fd = fs.openSync(this[_path], this[_flags], this[_mode])
} catch (er) {
if (er.code === 'ENOENT') {
this[_flags] = 'w'
return this[_open]()
} else
throw er
}
} else
fd = fs.openSync(this[_path], this[_flags], this[_mode])
this[_onopen](null, fd)
}
[_close] () {
if (this[_autoClose] && typeof this[_fd] === 'number') {
const fd = this[_fd]
this[_fd] = null
fs.closeSync(fd)
this.emit('close')
}
}
[_write] (buf) {
// throw the original, but try to close if it fails
let threw = true
try {
this[_onwrite](null,
fs.writeSync(this[_fd], buf, 0, buf.length, this[_pos]))
threw = false
} finally {
if (threw)
try { this[_close]() } catch (_) {}
}
}
}
exports.ReadStream = ReadStream
exports.ReadStreamSync = ReadStreamSync
exports.WriteStream = WriteStream
exports.WriteStreamSync = WriteStreamSync
PK �[�\�:�: : lib/path-reservations.jsnu �[��� // A path exclusive reservation system
// reserve([list, of, paths], fn)
// When the fn is first in line for all its paths, it
// is called with a cb that clears the reservation.
//
// Used by async unpack to avoid clobbering paths in use,
// while still allowing maximal safe parallelization.
const assert = require('assert')
const normalize = require('./normalize-unicode.js')
const stripSlashes = require('./strip-trailing-slashes.js')
const { join } = require('path')
const platform = process.env.TESTING_TAR_FAKE_PLATFORM || process.platform
const isWindows = platform === 'win32'
module.exports = () => {
// path => [function or Set]
// A Set object means a directory reservation
// A fn is a direct reservation on that path
const queues = new Map()
// fn => {paths:[path,...], dirs:[path, ...]}
const reservations = new Map()
// return a set of parent dirs for a given path
// '/a/b/c/d' -> ['/', '/a', '/a/b', '/a/b/c', '/a/b/c/d']
const getDirs = path => {
const dirs = path.split('/').slice(0, -1).reduce((set, path) => {
if (set.length) {
path = join(set[set.length - 1], path)
}
set.push(path || '/')
return set
}, [])
return dirs
}
// functions currently running
const running = new Set()
// return the queues for each path the function cares about
// fn => {paths, dirs}
const getQueues = fn => {
const res = reservations.get(fn)
/* istanbul ignore if - unpossible */
if (!res) {
throw new Error('function does not have any path reservations')
}
return {
paths: res.paths.map(path => queues.get(path)),
dirs: [...res.dirs].map(path => queues.get(path)),
}
}
// check if fn is first in line for all its paths, and is
// included in the first set for all its dir queues
const check = fn => {
const { paths, dirs } = getQueues(fn)
return paths.every(q => q[0] === fn) &&
dirs.every(q => q[0] instanceof Set && q[0].has(fn))
}
// run the function if it's first in line and not already running
const run = fn => {
if (running.has(fn) || !check(fn)) {
return false
}
running.add(fn)
fn(() => clear(fn))
return true
}
const clear = fn => {
if (!running.has(fn)) {
return false
}
const { paths, dirs } = reservations.get(fn)
const next = new Set()
paths.forEach(path => {
const q = queues.get(path)
assert.equal(q[0], fn)
if (q.length === 1) {
queues.delete(path)
} else {
q.shift()
if (typeof q[0] === 'function') {
next.add(q[0])
} else {
q[0].forEach(fn => next.add(fn))
}
}
})
dirs.forEach(dir => {
const q = queues.get(dir)
assert(q[0] instanceof Set)
if (q[0].size === 1 && q.length === 1) {
queues.delete(dir)
} else if (q[0].size === 1) {
q.shift()
// must be a function or else the Set would've been reused
next.add(q[0])
} else {
q[0].delete(fn)
}
})
running.delete(fn)
next.forEach(fn => run(fn))
return true
}
const reserve = (paths, fn) => {
// collide on matches across case and unicode normalization
// On windows, thanks to the magic of 8.3 shortnames, it is fundamentally
// impossible to determine whether two paths refer to the same thing on
// disk, without asking the kernel for a shortname.
// So, we just pretend that every path matches every other path here,
// effectively removing all parallelization on windows.
paths = isWindows ? ['win32 parallelization disabled'] : paths.map(p => {
// don't need normPath, because we skip this entirely for windows
return stripSlashes(join(normalize(p))).toLowerCase()
})
const dirs = new Set(
paths.map(path => getDirs(path)).reduce((a, b) => a.concat(b))
)
reservations.set(fn, { dirs, paths })
paths.forEach(path => {
const q = queues.get(path)
if (!q) {
queues.set(path, [fn])
} else {
q.push(fn)
}
})
dirs.forEach(dir => {
const q = queues.get(dir)
if (!q) {
queues.set(dir, [new Set([fn])])
} else if (q[q.length - 1] instanceof Set) {
q[q.length - 1].add(fn)
} else {
q.push(new Set([fn]))
}
})
return run(fn)
}
return { check, reserve }
}
PK �[�\�n|@�d �d
lib/unpack.jsnu �[��� 'use strict'
// the PEND/UNPEND stuff tracks whether we're ready to emit end/close yet.
// but the path reservations are required to avoid race conditions where
// parallelized unpack ops may mess with one another, due to dependencies
// (like a Link depending on its target) or destructive operations (like
// clobbering an fs object to create one of a different type.)
const assert = require('assert')
const Parser = require('./parse.js')
const fs = require('fs')
const fsm = require('fs-minipass')
const path = require('path')
const mkdir = require('./mkdir.js')
const wc = require('./winchars.js')
const pathReservations = require('./path-reservations.js')
const stripAbsolutePath = require('./strip-absolute-path.js')
const normPath = require('./normalize-windows-path.js')
const stripSlash = require('./strip-trailing-slashes.js')
const normalize = require('./normalize-unicode.js')
const ONENTRY = Symbol('onEntry')
const CHECKFS = Symbol('checkFs')
const CHECKFS2 = Symbol('checkFs2')
const PRUNECACHE = Symbol('pruneCache')
const ISREUSABLE = Symbol('isReusable')
const MAKEFS = Symbol('makeFs')
const FILE = Symbol('file')
const DIRECTORY = Symbol('directory')
const LINK = Symbol('link')
const SYMLINK = Symbol('symlink')
const HARDLINK = Symbol('hardlink')
const UNSUPPORTED = Symbol('unsupported')
const CHECKPATH = Symbol('checkPath')
const MKDIR = Symbol('mkdir')
const ONERROR = Symbol('onError')
const PENDING = Symbol('pending')
const PEND = Symbol('pend')
const UNPEND = Symbol('unpend')
const ENDED = Symbol('ended')
const MAYBECLOSE = Symbol('maybeClose')
const SKIP = Symbol('skip')
const DOCHOWN = Symbol('doChown')
const UID = Symbol('uid')
const GID = Symbol('gid')
const CHECKED_CWD = Symbol('checkedCwd')
const crypto = require('crypto')
const getFlag = require('./get-write-flag.js')
const platform = process.env.TESTING_TAR_FAKE_PLATFORM || process.platform
const isWindows = platform === 'win32'
const DEFAULT_MAX_DEPTH = 1024
// Unlinks on Windows are not atomic.
//
// This means that if you have a file entry, followed by another
// file entry with an identical name, and you cannot re-use the file
// (because it's a hardlink, or because unlink:true is set, or it's
// Windows, which does not have useful nlink values), then the unlink
// will be committed to the disk AFTER the new file has been written
// over the old one, deleting the new file.
//
// To work around this, on Windows systems, we rename the file and then
// delete the renamed file. It's a sloppy kludge, but frankly, I do not
// know of a better way to do this, given windows' non-atomic unlink
// semantics.
//
// See: https://github.com/npm/node-tar/issues/183
/* istanbul ignore next */
const unlinkFile = (path, cb) => {
if (!isWindows) {
return fs.unlink(path, cb)
}
const name = path + '.DELETE.' + crypto.randomBytes(16).toString('hex')
fs.rename(path, name, er => {
if (er) {
return cb(er)
}
fs.unlink(name, cb)
})
}
/* istanbul ignore next */
const unlinkFileSync = path => {
if (!isWindows) {
return fs.unlinkSync(path)
}
const name = path + '.DELETE.' + crypto.randomBytes(16).toString('hex')
fs.renameSync(path, name)
fs.unlinkSync(name)
}
// this.gid, entry.gid, this.processUid
const uint32 = (a, b, c) =>
a === a >>> 0 ? a
: b === b >>> 0 ? b
: c
// clear the cache if it's a case-insensitive unicode-squashing match.
// we can't know if the current file system is case-sensitive or supports
// unicode fully, so we check for similarity on the maximally compatible
// representation. Err on the side of pruning, since all it's doing is
// preventing lstats, and it's not the end of the world if we get a false
// positive.
// Note that on windows, we always drop the entire cache whenever a
// symbolic link is encountered, because 8.3 filenames are impossible
// to reason about, and collisions are hazards rather than just failures.
const cacheKeyNormalize = path => stripSlash(normPath(normalize(path)))
.toLowerCase()
const pruneCache = (cache, abs) => {
abs = cacheKeyNormalize(abs)
for (const path of cache.keys()) {
const pnorm = cacheKeyNormalize(path)
if (pnorm === abs || pnorm.indexOf(abs + '/') === 0) {
cache.delete(path)
}
}
}
const dropCache = cache => {
for (const key of cache.keys()) {
cache.delete(key)
}
}
class Unpack extends Parser {
constructor (opt) {
if (!opt) {
opt = {}
}
opt.ondone = _ => {
this[ENDED] = true
this[MAYBECLOSE]()
}
super(opt)
this[CHECKED_CWD] = false
this.reservations = pathReservations()
this.transform = typeof opt.transform === 'function' ? opt.transform : null
this.writable = true
this.readable = false
this[PENDING] = 0
this[ENDED] = false
this.dirCache = opt.dirCache || new Map()
if (typeof opt.uid === 'number' || typeof opt.gid === 'number') {
// need both or neither
if (typeof opt.uid !== 'number' || typeof opt.gid !== 'number') {
throw new TypeError('cannot set owner without number uid and gid')
}
if (opt.preserveOwner) {
throw new TypeError(
'cannot preserve owner in archive and also set owner explicitly')
}
this.uid = opt.uid
this.gid = opt.gid
this.setOwner = true
} else {
this.uid = null
this.gid = null
this.setOwner = false
}
// default true for root
if (opt.preserveOwner === undefined && typeof opt.uid !== 'number') {
this.preserveOwner = process.getuid && process.getuid() === 0
} else {
this.preserveOwner = !!opt.preserveOwner
}
this.processUid = (this.preserveOwner || this.setOwner) && process.getuid ?
process.getuid() : null
this.processGid = (this.preserveOwner || this.setOwner) && process.getgid ?
process.getgid() : null
// prevent excessively deep nesting of subfolders
// set to `Infinity` to remove this restriction
this.maxDepth = typeof opt.maxDepth === 'number'
? opt.maxDepth
: DEFAULT_MAX_DEPTH
// mostly just for testing, but useful in some cases.
// Forcibly trigger a chown on every entry, no matter what
this.forceChown = opt.forceChown === true
// turn ><?| in filenames into 0xf000-higher encoded forms
this.win32 = !!opt.win32 || isWindows
// do not unpack over files that are newer than what's in the archive
this.newer = !!opt.newer
// do not unpack over ANY files
this.keep = !!opt.keep
// do not set mtime/atime of extracted entries
this.noMtime = !!opt.noMtime
// allow .., absolute path entries, and unpacking through symlinks
// without this, warn and skip .., relativize absolutes, and error
// on symlinks in extraction path
this.preservePaths = !!opt.preservePaths
// unlink files and links before writing. This breaks existing hard
// links, and removes symlink directories rather than erroring
this.unlink = !!opt.unlink
this.cwd = normPath(path.resolve(opt.cwd || process.cwd()))
this.strip = +opt.strip || 0
// if we're not chmodding, then we don't need the process umask
this.processUmask = opt.noChmod ? 0 : process.umask()
this.umask = typeof opt.umask === 'number' ? opt.umask : this.processUmask
// default mode for dirs created as parents
this.dmode = opt.dmode || (0o0777 & (~this.umask))
this.fmode = opt.fmode || (0o0666 & (~this.umask))
this.on('entry', entry => this[ONENTRY](entry))
}
// a bad or damaged archive is a warning for Parser, but an error
// when extracting. Mark those errors as unrecoverable, because
// the Unpack contract cannot be met.
warn (code, msg, data = {}) {
if (code === 'TAR_BAD_ARCHIVE' || code === 'TAR_ABORT') {
data.recoverable = false
}
return super.warn(code, msg, data)
}
[MAYBECLOSE] () {
if (this[ENDED] && this[PENDING] === 0) {
this.emit('prefinish')
this.emit('finish')
this.emit('end')
}
}
[CHECKPATH] (entry) {
const p = normPath(entry.path)
const parts = p.split('/')
if (this.strip) {
if (parts.length < this.strip) {
return false
}
if (entry.type === 'Link') {
const linkparts = normPath(entry.linkpath).split('/')
if (linkparts.length >= this.strip) {
entry.linkpath = linkparts.slice(this.strip).join('/')
} else {
return false
}
}
parts.splice(0, this.strip)
entry.path = parts.join('/')
}
if (isFinite(this.maxDepth) && parts.length > this.maxDepth) {
this.warn('TAR_ENTRY_ERROR', 'path excessively deep', {
entry,
path: p,
depth: parts.length,
maxDepth: this.maxDepth,
})
return false
}
if (!this.preservePaths) {
if (parts.includes('..') || isWindows && /^[a-z]:\.\.$/i.test(parts[0])) {
this.warn('TAR_ENTRY_ERROR', `path contains '..'`, {
entry,
path: p,
})
return false
}
// strip off the root
const [root, stripped] = stripAbsolutePath(p)
if (root) {
entry.path = stripped
this.warn('TAR_ENTRY_INFO', `stripping ${root} from absolute path`, {
entry,
path: p,
})
}
}
if (path.isAbsolute(entry.path)) {
entry.absolute = normPath(path.resolve(entry.path))
} else {
entry.absolute = normPath(path.resolve(this.cwd, entry.path))
}
// if we somehow ended up with a path that escapes the cwd, and we are
// not in preservePaths mode, then something is fishy! This should have
// been prevented above, so ignore this for coverage.
/* istanbul ignore if - defense in depth */
if (!this.preservePaths &&
entry.absolute.indexOf(this.cwd + '/') !== 0 &&
entry.absolute !== this.cwd) {
this.warn('TAR_ENTRY_ERROR', 'path escaped extraction target', {
entry,
path: normPath(entry.path),
resolvedPath: entry.absolute,
cwd: this.cwd,
})
return false
}
// an archive can set properties on the extraction directory, but it
// may not replace the cwd with a different kind of thing entirely.
if (entry.absolute === this.cwd &&
entry.type !== 'Directory' &&
entry.type !== 'GNUDumpDir') {
return false
}
// only encode : chars that aren't drive letter indicators
if (this.win32) {
const { root: aRoot } = path.win32.parse(entry.absolute)
entry.absolute = aRoot + wc.encode(entry.absolute.slice(aRoot.length))
const { root: pRoot } = path.win32.parse(entry.path)
entry.path = pRoot + wc.encode(entry.path.slice(pRoot.length))
}
return true
}
[ONENTRY] (entry) {
if (!this[CHECKPATH](entry)) {
return entry.resume()
}
assert.equal(typeof entry.absolute, 'string')
switch (entry.type) {
case 'Directory':
case 'GNUDumpDir':
if (entry.mode) {
entry.mode = entry.mode | 0o700
}
// eslint-disable-next-line no-fallthrough
case 'File':
case 'OldFile':
case 'ContiguousFile':
case 'Link':
case 'SymbolicLink':
return this[CHECKFS](entry)
case 'CharacterDevice':
case 'BlockDevice':
case 'FIFO':
default:
return this[UNSUPPORTED](entry)
}
}
[ONERROR] (er, entry) {
// Cwd has to exist, or else nothing works. That's serious.
// Other errors are warnings, which raise the error in strict
// mode, but otherwise continue on.
if (er.name === 'CwdError') {
this.emit('error', er)
} else {
this.warn('TAR_ENTRY_ERROR', er, { entry })
this[UNPEND]()
entry.resume()
}
}
[MKDIR] (dir, mode, cb) {
mkdir(normPath(dir), {
uid: this.uid,
gid: this.gid,
processUid: this.processUid,
processGid: this.processGid,
umask: this.processUmask,
preserve: this.preservePaths,
unlink: this.unlink,
cache: this.dirCache,
cwd: this.cwd,
mode: mode,
noChmod: this.noChmod,
}, cb)
}
[DOCHOWN] (entry) {
// in preserve owner mode, chown if the entry doesn't match process
// in set owner mode, chown if setting doesn't match process
return this.forceChown ||
this.preserveOwner &&
(typeof entry.uid === 'number' && entry.uid !== this.processUid ||
typeof entry.gid === 'number' && entry.gid !== this.processGid)
||
(typeof this.uid === 'number' && this.uid !== this.processUid ||
typeof this.gid === 'number' && this.gid !== this.processGid)
}
[UID] (entry) {
return uint32(this.uid, entry.uid, this.processUid)
}
[GID] (entry) {
return uint32(this.gid, entry.gid, this.processGid)
}
[FILE] (entry, fullyDone) {
const mode = entry.mode & 0o7777 || this.fmode
const stream = new fsm.WriteStream(entry.absolute, {
flags: getFlag(entry.size),
mode: mode,
autoClose: false,
})
stream.on('error', er => {
if (stream.fd) {
fs.close(stream.fd, () => {})
}
// flush all the data out so that we aren't left hanging
// if the error wasn't actually fatal. otherwise the parse
// is blocked, and we never proceed.
stream.write = () => true
this[ONERROR](er, entry)
fullyDone()
})
let actions = 1
const done = er => {
if (er) {
/* istanbul ignore else - we should always have a fd by now */
if (stream.fd) {
fs.close(stream.fd, () => {})
}
this[ONERROR](er, entry)
fullyDone()
return
}
if (--actions === 0) {
fs.close(stream.fd, er => {
if (er) {
this[ONERROR](er, entry)
} else {
this[UNPEND]()
}
fullyDone()
})
}
}
stream.on('finish', _ => {
// if futimes fails, try utimes
// if utimes fails, fail with the original error
// same for fchown/chown
const abs = entry.absolute
const fd = stream.fd
if (entry.mtime && !this.noMtime) {
actions++
const atime = entry.atime || new Date()
const mtime = entry.mtime
fs.futimes(fd, atime, mtime, er =>
er ? fs.utimes(abs, atime, mtime, er2 => done(er2 && er))
: done())
}
if (this[DOCHOWN](entry)) {
actions++
const uid = this[UID](entry)
const gid = this[GID](entry)
fs.fchown(fd, uid, gid, er =>
er ? fs.chown(abs, uid, gid, er2 => done(er2 && er))
: done())
}
done()
})
const tx = this.transform ? this.transform(entry) || entry : entry
if (tx !== entry) {
tx.on('error', er => {
this[ONERROR](er, entry)
fullyDone()
})
entry.pipe(tx)
}
tx.pipe(stream)
}
[DIRECTORY] (entry, fullyDone) {
const mode = entry.mode & 0o7777 || this.dmode
this[MKDIR](entry.absolute, mode, er => {
if (er) {
this[ONERROR](er, entry)
fullyDone()
return
}
let actions = 1
const done = _ => {
if (--actions === 0) {
fullyDone()
this[UNPEND]()
entry.resume()
}
}
if (entry.mtime && !this.noMtime) {
actions++
fs.utimes(entry.absolute, entry.atime || new Date(), entry.mtime, done)
}
if (this[DOCHOWN](entry)) {
actions++
fs.chown(entry.absolute, this[UID](entry), this[GID](entry), done)
}
done()
})
}
[UNSUPPORTED] (entry) {
entry.unsupported = true
this.warn('TAR_ENTRY_UNSUPPORTED',
`unsupported entry type: ${entry.type}`, { entry })
entry.resume()
}
[SYMLINK] (entry, done) {
this[LINK](entry, entry.linkpath, 'symlink', done)
}
[HARDLINK] (entry, done) {
const linkpath = normPath(path.resolve(this.cwd, entry.linkpath))
this[LINK](entry, linkpath, 'link', done)
}
[PEND] () {
this[PENDING]++
}
[UNPEND] () {
this[PENDING]--
this[MAYBECLOSE]()
}
[SKIP] (entry) {
this[UNPEND]()
entry.resume()
}
// Check if we can reuse an existing filesystem entry safely and
// overwrite it, rather than unlinking and recreating
// Windows doesn't report a useful nlink, so we just never reuse entries
[ISREUSABLE] (entry, st) {
return entry.type === 'File' &&
!this.unlink &&
st.isFile() &&
st.nlink <= 1 &&
!isWindows
}
// check if a thing is there, and if so, try to clobber it
[CHECKFS] (entry) {
this[PEND]()
const paths = [entry.path]
if (entry.linkpath) {
paths.push(entry.linkpath)
}
this.reservations.reserve(paths, done => this[CHECKFS2](entry, done))
}
[PRUNECACHE] (entry) {
// if we are not creating a directory, and the path is in the dirCache,
// then that means we are about to delete the directory we created
// previously, and it is no longer going to be a directory, and neither
// is any of its children.
// If a symbolic link is encountered, all bets are off. There is no
// reasonable way to sanitize the cache in such a way we will be able to
// avoid having filesystem collisions. If this happens with a non-symlink
// entry, it'll just fail to unpack, but a symlink to a directory, using an
// 8.3 shortname or certain unicode attacks, can evade detection and lead
// to arbitrary writes to anywhere on the system.
if (entry.type === 'SymbolicLink') {
dropCache(this.dirCache)
} else if (entry.type !== 'Directory') {
pruneCache(this.dirCache, entry.absolute)
}
}
[CHECKFS2] (entry, fullyDone) {
this[PRUNECACHE](entry)
const done = er => {
this[PRUNECACHE](entry)
fullyDone(er)
}
const checkCwd = () => {
this[MKDIR](this.cwd, this.dmode, er => {
if (er) {
this[ONERROR](er, entry)
done()
return
}
this[CHECKED_CWD] = true
start()
})
}
const start = () => {
if (entry.absolute !== this.cwd) {
const parent = normPath(path.dirname(entry.absolute))
if (parent !== this.cwd) {
return this[MKDIR](parent, this.dmode, er => {
if (er) {
this[ONERROR](er, entry)
done()
return
}
afterMakeParent()
})
}
}
afterMakeParent()
}
const afterMakeParent = () => {
fs.lstat(entry.absolute, (lstatEr, st) => {
if (st && (this.keep || this.newer && st.mtime > entry.mtime)) {
this[SKIP](entry)
done()
return
}
if (lstatEr || this[ISREUSABLE](entry, st)) {
return this[MAKEFS](null, entry, done)
}
if (st.isDirectory()) {
if (entry.type === 'Directory') {
const needChmod = !this.noChmod &&
entry.mode &&
(st.mode & 0o7777) !== entry.mode
const afterChmod = er => this[MAKEFS](er, entry, done)
if (!needChmod) {
return afterChmod()
}
return fs.chmod(entry.absolute, entry.mode, afterChmod)
}
// Not a dir entry, have to remove it.
// NB: the only way to end up with an entry that is the cwd
// itself, in such a way that == does not detect, is a
// tricky windows absolute path with UNC or 8.3 parts (and
// preservePaths:true, or else it will have been stripped).
// In that case, the user has opted out of path protections
// explicitly, so if they blow away the cwd, c'est la vie.
if (entry.absolute !== this.cwd) {
return fs.rmdir(entry.absolute, er =>
this[MAKEFS](er, entry, done))
}
}
// not a dir, and not reusable
// don't remove if the cwd, we want that error
if (entry.absolute === this.cwd) {
return this[MAKEFS](null, entry, done)
}
unlinkFile(entry.absolute, er =>
this[MAKEFS](er, entry, done))
})
}
if (this[CHECKED_CWD]) {
start()
} else {
checkCwd()
}
}
[MAKEFS] (er, entry, done) {
if (er) {
this[ONERROR](er, entry)
done()
return
}
switch (entry.type) {
case 'File':
case 'OldFile':
case 'ContiguousFile':
return this[FILE](entry, done)
case 'Link':
return this[HARDLINK](entry, done)
case 'SymbolicLink':
return this[SYMLINK](entry, done)
case 'Directory':
case 'GNUDumpDir':
return this[DIRECTORY](entry, done)
}
}
[LINK] (entry, linkpath, link, done) {
// XXX: get the type ('symlink' or 'junction') for windows
fs[link](linkpath, entry.absolute, er => {
if (er) {
this[ONERROR](er, entry)
} else {
this[UNPEND]()
entry.resume()
}
done()
})
}
}
const callSync = fn => {
try {
return [null, fn()]
} catch (er) {
return [er, null]
}
}
class UnpackSync extends Unpack {
[MAKEFS] (er, entry) {
return super[MAKEFS](er, entry, () => {})
}
[CHECKFS] (entry) {
this[PRUNECACHE](entry)
if (!this[CHECKED_CWD]) {
const er = this[MKDIR](this.cwd, this.dmode)
if (er) {
return this[ONERROR](er, entry)
}
this[CHECKED_CWD] = true
}
// don't bother to make the parent if the current entry is the cwd,
// we've already checked it.
if (entry.absolute !== this.cwd) {
const parent = normPath(path.dirname(entry.absolute))
if (parent !== this.cwd) {
const mkParent = this[MKDIR](parent, this.dmode)
if (mkParent) {
return this[ONERROR](mkParent, entry)
}
}
}
const [lstatEr, st] = callSync(() => fs.lstatSync(entry.absolute))
if (st && (this.keep || this.newer && st.mtime > entry.mtime)) {
return this[SKIP](entry)
}
if (lstatEr || this[ISREUSABLE](entry, st)) {
return this[MAKEFS](null, entry)
}
if (st.isDirectory()) {
if (entry.type === 'Directory') {
const needChmod = !this.noChmod &&
entry.mode &&
(st.mode & 0o7777) !== entry.mode
const [er] = needChmod ? callSync(() => {
fs.chmodSync(entry.absolute, entry.mode)
}) : []
return this[MAKEFS](er, entry)
}
// not a dir entry, have to remove it
const [er] = callSync(() => fs.rmdirSync(entry.absolute))
this[MAKEFS](er, entry)
}
// not a dir, and not reusable.
// don't remove if it's the cwd, since we want that error.
const [er] = entry.absolute === this.cwd ? []
: callSync(() => unlinkFileSync(entry.absolute))
this[MAKEFS](er, entry)
}
[FILE] (entry, done) {
const mode = entry.mode & 0o7777 || this.fmode
const oner = er => {
let closeError
try {
fs.closeSync(fd)
} catch (e) {
closeError = e
}
if (er || closeError) {
this[ONERROR](er || closeError, entry)
}
done()
}
let fd
try {
fd = fs.openSync(entry.absolute, getFlag(entry.size), mode)
} catch (er) {
return oner(er)
}
const tx = this.transform ? this.transform(entry) || entry : entry
if (tx !== entry) {
tx.on('error', er => this[ONERROR](er, entry))
entry.pipe(tx)
}
tx.on('data', chunk => {
try {
fs.writeSync(fd, chunk, 0, chunk.length)
} catch (er) {
oner(er)
}
})
tx.on('end', _ => {
let er = null
// try both, falling futimes back to utimes
// if either fails, handle the first error
if (entry.mtime && !this.noMtime) {
const atime = entry.atime || new Date()
const mtime = entry.mtime
try {
fs.futimesSync(fd, atime, mtime)
} catch (futimeser) {
try {
fs.utimesSync(entry.absolute, atime, mtime)
} catch (utimeser) {
er = futimeser
}
}
}
if (this[DOCHOWN](entry)) {
const uid = this[UID](entry)
const gid = this[GID](entry)
try {
fs.fchownSync(fd, uid, gid)
} catch (fchowner) {
try {
fs.chownSync(entry.absolute, uid, gid)
} catch (chowner) {
er = er || fchowner
}
}
}
oner(er)
})
}
[DIRECTORY] (entry, done) {
const mode = entry.mode & 0o7777 || this.dmode
const er = this[MKDIR](entry.absolute, mode)
if (er) {
this[ONERROR](er, entry)
done()
return
}
if (entry.mtime && !this.noMtime) {
try {
fs.utimesSync(entry.absolute, entry.atime || new Date(), entry.mtime)
} catch (er) {}
}
if (this[DOCHOWN](entry)) {
try {
fs.chownSync(entry.absolute, this[UID](entry), this[GID](entry))
} catch (er) {}
}
done()
entry.resume()
}
[MKDIR] (dir, mode) {
try {
return mkdir.sync(normPath(dir), {
uid: this.uid,
gid: this.gid,
processUid: this.processUid,
processGid: this.processGid,
umask: this.processUmask,
preserve: this.preservePaths,
unlink: this.unlink,
cache: this.dirCache,
cwd: this.cwd,
mode: mode,
})
} catch (er) {
return er
}
}
[LINK] (entry, linkpath, link, done) {
try {
fs[link + 'Sync'](linkpath, entry.absolute)
done()
entry.resume()
} catch (er) {
return this[ONERROR](er, entry)
}
}
}
Unpack.Sync = UnpackSync
module.exports = Unpack
PK �[�\87�� � lib/normalize-unicode.jsnu �[��� // warning: extremely hot code path.
// This has been meticulously optimized for use
// within npm install on large package trees.
// Do not edit without careful benchmarking.
const normalizeCache = Object.create(null)
const { hasOwnProperty } = Object.prototype
module.exports = s => {
if (!hasOwnProperty.call(normalizeCache, s)) {
normalizeCache[s] = s.normalize('NFD')
}
return normalizeCache[s]
}
PK �[�\�dnI� � lib/get-write-flag.jsnu �[��� // Get the appropriate flag to use for creating files
// We use fmap on Windows platforms for files less than
// 512kb. This is a fairly low limit, but avoids making
// things slower in some cases. Since most of what this
// library is used for is extracting tarballs of many
// relatively small files in npm packages and the like,
// it can be a big boost on Windows platforms.
// Only supported in Node v12.9.0 and above.
const platform = process.env.__FAKE_PLATFORM__ || process.platform
const isWindows = platform === 'win32'
const fs = global.__FAKE_TESTING_FS__ || require('fs')
/* istanbul ignore next */
const { O_CREAT, O_TRUNC, O_WRONLY, UV_FS_O_FILEMAP = 0 } = fs.constants
const fMapEnabled = isWindows && !!UV_FS_O_FILEMAP
const fMapLimit = 512 * 1024
const fMapFlag = UV_FS_O_FILEMAP | O_TRUNC | O_CREAT | O_WRONLY
module.exports = !fMapEnabled ? () => 'w'
: size => size < fMapLimit ? fMapFlag : 'w'
PK �[�\d�k� � lib/list.jsnu �[��� 'use strict'
// XXX: This shares a lot in common with extract.js
// maybe some DRY opportunity here?
// tar -t
const hlo = require('./high-level-opt.js')
const Parser = require('./parse.js')
const fs = require('fs')
const fsm = require('fs-minipass')
const path = require('path')
const stripSlash = require('./strip-trailing-slashes.js')
module.exports = (opt_, files, cb) => {
if (typeof opt_ === 'function') {
cb = opt_, files = null, opt_ = {}
} else if (Array.isArray(opt_)) {
files = opt_, opt_ = {}
}
if (typeof files === 'function') {
cb = files, files = null
}
if (!files) {
files = []
} else {
files = Array.from(files)
}
const opt = hlo(opt_)
if (opt.sync && typeof cb === 'function') {
throw new TypeError('callback not supported for sync tar functions')
}
if (!opt.file && typeof cb === 'function') {
throw new TypeError('callback only supported with file option')
}
if (files.length) {
filesFilter(opt, files)
}
if (!opt.noResume) {
onentryFunction(opt)
}
return opt.file && opt.sync ? listFileSync(opt)
: opt.file ? listFile(opt, cb)
: list(opt)
}
const onentryFunction = opt => {
const onentry = opt.onentry
opt.onentry = onentry ? e => {
onentry(e)
e.resume()
} : e => e.resume()
}
// construct a filter that limits the file entries listed
// include child entries if a dir is included
const filesFilter = (opt, files) => {
const map = new Map(files.map(f => [stripSlash(f), true]))
const filter = opt.filter
const mapHas = (file, r) => {
const root = r || path.parse(file).root || '.'
const ret = file === root ? false
: map.has(file) ? map.get(file)
: mapHas(path.dirname(file), root)
map.set(file, ret)
return ret
}
opt.filter = filter
? (file, entry) => filter(file, entry) && mapHas(stripSlash(file))
: file => mapHas(stripSlash(file))
}
const listFileSync = opt => {
const p = list(opt)
const file = opt.file
let threw = true
let fd
try {
const stat = fs.statSync(file)
const readSize = opt.maxReadSize || 16 * 1024 * 1024
if (stat.size < readSize) {
p.end(fs.readFileSync(file))
} else {
let pos = 0
const buf = Buffer.allocUnsafe(readSize)
fd = fs.openSync(file, 'r')
while (pos < stat.size) {
const bytesRead = fs.readSync(fd, buf, 0, readSize, pos)
pos += bytesRead
p.write(buf.slice(0, bytesRead))
}
p.end()
}
threw = false
} finally {
if (threw && fd) {
try {
fs.closeSync(fd)
} catch (er) {}
}
}
}
const listFile = (opt, cb) => {
const parse = new Parser(opt)
const readSize = opt.maxReadSize || 16 * 1024 * 1024
const file = opt.file
const p = new Promise((resolve, reject) => {
parse.on('error', reject)
parse.on('end', resolve)
fs.stat(file, (er, stat) => {
if (er) {
reject(er)
} else {
const stream = new fsm.ReadStream(file, {
readSize: readSize,
size: stat.size,
})
stream.on('error', reject)
stream.pipe(parse)
}
})
})
return cb ? p.then(cb, cb) : p
}
const list = opt => new Parser(opt)
PK �[�\�$H H lib/types.jsnu �[��� 'use strict'
// map types from key to human-friendly name
exports.name = new Map([
['0', 'File'],
// same as File
['', 'OldFile'],
['1', 'Link'],
['2', 'SymbolicLink'],
// Devices and FIFOs aren't fully supported
// they are parsed, but skipped when unpacking
['3', 'CharacterDevice'],
['4', 'BlockDevice'],
['5', 'Directory'],
['6', 'FIFO'],
// same as File
['7', 'ContiguousFile'],
// pax headers
['g', 'GlobalExtendedHeader'],
['x', 'ExtendedHeader'],
// vendor-specific stuff
// skip
['A', 'SolarisACL'],
// like 5, but with data, which should be skipped
['D', 'GNUDumpDir'],
// metadata only, skip
['I', 'Inode'],
// data = link path of next file
['K', 'NextFileHasLongLinkpath'],
// data = path of next file
['L', 'NextFileHasLongPath'],
// skip
['M', 'ContinuationFile'],
// like L
['N', 'OldGnuLongPath'],
// skip
['S', 'SparseFile'],
// skip
['V', 'TapeVolumeHeader'],
// like x
['X', 'OldExtendedHeader'],
])
// map the other direction
exports.code = new Map(Array.from(exports.name).map(kv => [kv[1], kv[0]]))
PK �[�\9uRZ lib/read-entry.jsnu �[��� 'use strict'
const { Minipass } = require('minipass')
const normPath = require('./normalize-windows-path.js')
const SLURP = Symbol('slurp')
module.exports = class ReadEntry extends Minipass {
constructor (header, ex, gex) {
super()
// read entries always start life paused. this is to avoid the
// situation where Minipass's auto-ending empty streams results
// in an entry ending before we're ready for it.
this.pause()
this.extended = ex
this.globalExtended = gex
this.header = header
this.startBlockSize = 512 * Math.ceil(header.size / 512)
this.blockRemain = this.startBlockSize
this.remain = header.size
this.type = header.type
this.meta = false
this.ignore = false
switch (this.type) {
case 'File':
case 'OldFile':
case 'Link':
case 'SymbolicLink':
case 'CharacterDevice':
case 'BlockDevice':
case 'Directory':
case 'FIFO':
case 'ContiguousFile':
case 'GNUDumpDir':
break
case 'NextFileHasLongLinkpath':
case 'NextFileHasLongPath':
case 'OldGnuLongPath':
case 'GlobalExtendedHeader':
case 'ExtendedHeader':
case 'OldExtendedHeader':
this.meta = true
break
// NOTE: gnutar and bsdtar treat unrecognized types as 'File'
// it may be worth doing the same, but with a warning.
default:
this.ignore = true
}
this.path = normPath(header.path)
this.mode = header.mode
if (this.mode) {
this.mode = this.mode & 0o7777
}
this.uid = header.uid
this.gid = header.gid
this.uname = header.uname
this.gname = header.gname
this.size = header.size
this.mtime = header.mtime
this.atime = header.atime
this.ctime = header.ctime
this.linkpath = normPath(header.linkpath)
this.uname = header.uname
this.gname = header.gname
if (ex) {
this[SLURP](ex)
}
if (gex) {
this[SLURP](gex, true)
}
}
write (data) {
const writeLen = data.length
if (writeLen > this.blockRemain) {
throw new Error('writing more to entry than is appropriate')
}
const r = this.remain
const br = this.blockRemain
this.remain = Math.max(0, r - writeLen)
this.blockRemain = Math.max(0, br - writeLen)
if (this.ignore) {
return true
}
if (r >= writeLen) {
return super.write(data)
}
// r < writeLen
return super.write(data.slice(0, r))
}
[SLURP] (ex, global) {
for (const k in ex) {
// we slurp in everything except for the path attribute in
// a global extended header, because that's weird.
if (ex[k] !== null && ex[k] !== undefined &&
!(global && k === 'path')) {
this[k] = k === 'path' || k === 'linkpath' ? normPath(ex[k]) : ex[k]
}
}
}
}
PK �[�\�(�� lib/winchars.jsnu �[��� 'use strict'
// When writing files on Windows, translate the characters to their
// 0xf000 higher-encoded versions.
const raw = [
'|',
'<',
'>',
'?',
':',
]
const win = raw.map(char =>
String.fromCharCode(0xf000 + char.charCodeAt(0)))
const toWin = new Map(raw.map((char, i) => [char, win[i]]))
const toRaw = new Map(win.map((char, i) => [char, raw[i]]))
module.exports = {
encode: s => raw.reduce((s, c) => s.split(c).join(toWin.get(c)), s),
decode: s => win.reduce((s, c) => s.split(c).join(toRaw.get(c)), s),
}
PK �[�\~^� �
lib/update.jsnu �[��� 'use strict'
// tar -u
const hlo = require('./high-level-opt.js')
const r = require('./replace.js')
// just call tar.r with the filter and mtimeCache
module.exports = (opt_, files, cb) => {
const opt = hlo(opt_)
if (!opt.file) {
throw new TypeError('file is required')
}
if (opt.gzip || opt.brotli || opt.file.endsWith('.br') || opt.file.endsWith('.tbr')) {
throw new TypeError('cannot append to compressed archives')
}
if (!files || !Array.isArray(files) || !files.length) {
throw new TypeError('no files or directories specified')
}
files = Array.from(files)
mtimeFilter(opt)
return r(opt, files, cb)
}
const mtimeFilter = opt => {
const filter = opt.filter
if (!opt.mtimeCache) {
opt.mtimeCache = new Map()
}
opt.filter = filter ? (path, stat) =>
filter(path, stat) && !(opt.mtimeCache.get(path) > stat.mtime)
: (path, stat) => !(opt.mtimeCache.get(path) > stat.mtime)
}
PK �[�\���# �#
lib/header.jsnu �[��� 'use strict'
// parse a 512-byte header block to a data object, or vice-versa
// encode returns `true` if a pax extended header is needed, because
// the data could not be faithfully encoded in a simple header.
// (Also, check header.needPax to see if it needs a pax header.)
const types = require('./types.js')
const pathModule = require('path').posix
const large = require('./large-numbers.js')
const SLURP = Symbol('slurp')
const TYPE = Symbol('type')
class Header {
constructor (data, off, ex, gex) {
this.cksumValid = false
this.needPax = false
this.nullBlock = false
this.block = null
this.path = null
this.mode = null
this.uid = null
this.gid = null
this.size = null
this.mtime = null
this.cksum = null
this[TYPE] = '0'
this.linkpath = null
this.uname = null
this.gname = null
this.devmaj = 0
this.devmin = 0
this.atime = null
this.ctime = null
if (Buffer.isBuffer(data)) {
this.decode(data, off || 0, ex, gex)
} else if (data) {
this.set(data)
}
}
decode (buf, off, ex, gex) {
if (!off) {
off = 0
}
if (!buf || !(buf.length >= off + 512)) {
throw new Error('need 512 bytes for header')
}
this.path = decString(buf, off, 100)
this.mode = decNumber(buf, off + 100, 8)
this.uid = decNumber(buf, off + 108, 8)
this.gid = decNumber(buf, off + 116, 8)
this.size = decNumber(buf, off + 124, 12)
this.mtime = decDate(buf, off + 136, 12)
this.cksum = decNumber(buf, off + 148, 12)
// if we have extended or global extended headers, apply them now
// See https://github.com/npm/node-tar/pull/187
this[SLURP](ex)
this[SLURP](gex, true)
// old tar versions marked dirs as a file with a trailing /
this[TYPE] = decString(buf, off + 156, 1)
if (this[TYPE] === '') {
this[TYPE] = '0'
}
if (this[TYPE] === '0' && this.path.slice(-1) === '/') {
this[TYPE] = '5'
}
// tar implementations sometimes incorrectly put the stat(dir).size
// as the size in the tarball, even though Directory entries are
// not able to have any body at all. In the very rare chance that
// it actually DOES have a body, we weren't going to do anything with
// it anyway, and it'll just be a warning about an invalid header.
if (this[TYPE] === '5') {
this.size = 0
}
this.linkpath = decString(buf, off + 157, 100)
if (buf.slice(off + 257, off + 265).toString() === 'ustar\u000000') {
this.uname = decString(buf, off + 265, 32)
this.gname = decString(buf, off + 297, 32)
this.devmaj = decNumber(buf, off + 329, 8)
this.devmin = decNumber(buf, off + 337, 8)
if (buf[off + 475] !== 0) {
// definitely a prefix, definitely >130 chars.
const prefix = decString(buf, off + 345, 155)
this.path = prefix + '/' + this.path
} else {
const prefix = decString(buf, off + 345, 130)
if (prefix) {
this.path = prefix + '/' + this.path
}
this.atime = decDate(buf, off + 476, 12)
this.ctime = decDate(buf, off + 488, 12)
}
}
let sum = 8 * 0x20
for (let i = off; i < off + 148; i++) {
sum += buf[i]
}
for (let i = off + 156; i < off + 512; i++) {
sum += buf[i]
}
this.cksumValid = sum === this.cksum
if (this.cksum === null && sum === 8 * 0x20) {
this.nullBlock = true
}
}
[SLURP] (ex, global) {
for (const k in ex) {
// we slurp in everything except for the path attribute in
// a global extended header, because that's weird.
if (ex[k] !== null && ex[k] !== undefined &&
!(global && k === 'path')) {
this[k] = ex[k]
}
}
}
encode (buf, off) {
if (!buf) {
buf = this.block = Buffer.alloc(512)
off = 0
}
if (!off) {
off = 0
}
if (!(buf.length >= off + 512)) {
throw new Error('need 512 bytes for header')
}
const prefixSize = this.ctime || this.atime ? 130 : 155
const split = splitPrefix(this.path || '', prefixSize)
const path = split[0]
const prefix = split[1]
this.needPax = split[2]
this.needPax = encString(buf, off, 100, path) || this.needPax
this.needPax = encNumber(buf, off + 100, 8, this.mode) || this.needPax
this.needPax = encNumber(buf, off + 108, 8, this.uid) || this.needPax
this.needPax = encNumber(buf, off + 116, 8, this.gid) || this.needPax
this.needPax = encNumber(buf, off + 124, 12, this.size) || this.needPax
this.needPax = encDate(buf, off + 136, 12, this.mtime) || this.needPax
buf[off + 156] = this[TYPE].charCodeAt(0)
this.needPax = encString(buf, off + 157, 100, this.linkpath) || this.needPax
buf.write('ustar\u000000', off + 257, 8)
this.needPax = encString(buf, off + 265, 32, this.uname) || this.needPax
this.needPax = encString(buf, off + 297, 32, this.gname) || this.needPax
this.needPax = encNumber(buf, off + 329, 8, this.devmaj) || this.needPax
this.needPax = encNumber(buf, off + 337, 8, this.devmin) || this.needPax
this.needPax = encString(buf, off + 345, prefixSize, prefix) || this.needPax
if (buf[off + 475] !== 0) {
this.needPax = encString(buf, off + 345, 155, prefix) || this.needPax
} else {
this.needPax = encString(buf, off + 345, 130, prefix) || this.needPax
this.needPax = encDate(buf, off + 476, 12, this.atime) || this.needPax
this.needPax = encDate(buf, off + 488, 12, this.ctime) || this.needPax
}
let sum = 8 * 0x20
for (let i = off; i < off + 148; i++) {
sum += buf[i]
}
for (let i = off + 156; i < off + 512; i++) {
sum += buf[i]
}
this.cksum = sum
encNumber(buf, off + 148, 8, this.cksum)
this.cksumValid = true
return this.needPax
}
set (data) {
for (const i in data) {
if (data[i] !== null && data[i] !== undefined) {
this[i] = data[i]
}
}
}
get type () {
return types.name.get(this[TYPE]) || this[TYPE]
}
get typeKey () {
return this[TYPE]
}
set type (type) {
if (types.code.has(type)) {
this[TYPE] = types.code.get(type)
} else {
this[TYPE] = type
}
}
}
const splitPrefix = (p, prefixSize) => {
const pathSize = 100
let pp = p
let prefix = ''
let ret
const root = pathModule.parse(p).root || '.'
if (Buffer.byteLength(pp) < pathSize) {
ret = [pp, prefix, false]
} else {
// first set prefix to the dir, and path to the base
prefix = pathModule.dirname(pp)
pp = pathModule.basename(pp)
do {
if (Buffer.byteLength(pp) <= pathSize &&
Buffer.byteLength(prefix) <= prefixSize) {
// both fit!
ret = [pp, prefix, false]
} else if (Buffer.byteLength(pp) > pathSize &&
Buffer.byteLength(prefix) <= prefixSize) {
// prefix fits in prefix, but path doesn't fit in path
ret = [pp.slice(0, pathSize - 1), prefix, true]
} else {
// make path take a bit from prefix
pp = pathModule.join(pathModule.basename(prefix), pp)
prefix = pathModule.dirname(prefix)
}
} while (prefix !== root && !ret)
// at this point, found no resolution, just truncate
if (!ret) {
ret = [p.slice(0, pathSize - 1), '', true]
}
}
return ret
}
const decString = (buf, off, size) =>
buf.slice(off, off + size).toString('utf8').replace(/\0.*/, '')
const decDate = (buf, off, size) =>
numToDate(decNumber(buf, off, size))
const numToDate = num => num === null ? null : new Date(num * 1000)
const decNumber = (buf, off, size) =>
buf[off] & 0x80 ? large.parse(buf.slice(off, off + size))
: decSmallNumber(buf, off, size)
const nanNull = value => isNaN(value) ? null : value
const decSmallNumber = (buf, off, size) =>
nanNull(parseInt(
buf.slice(off, off + size)
.toString('utf8').replace(/\0.*$/, '').trim(), 8))
// the maximum encodable as a null-terminated octal, by field size
const MAXNUM = {
12: 0o77777777777,
8: 0o7777777,
}
const encNumber = (buf, off, size, number) =>
number === null ? false :
number > MAXNUM[size] || number < 0
? (large.encode(number, buf.slice(off, off + size)), true)
: (encSmallNumber(buf, off, size, number), false)
const encSmallNumber = (buf, off, size, number) =>
buf.write(octalString(number, size), off, size, 'ascii')
const octalString = (number, size) =>
padOctal(Math.floor(number).toString(8), size)
const padOctal = (string, size) =>
(string.length === size - 1 ? string
: new Array(size - string.length - 1).join('0') + string + ' ') + '\0'
const encDate = (buf, off, size, date) =>
date === null ? false :
encNumber(buf, off, size, date.getTime() / 1000)
// enough to fill the longest string we've got
const NULLS = new Array(156).join('\0')
// pad with nulls, return true if it's longer or non-ascii
const encString = (buf, off, size, string) =>
string === null ? false :
(buf.write(string + NULLS, off, size, 'utf8'),
string.length !== Buffer.byteLength(string) || string.length > size)
module.exports = Header
PK �[�\���$$ $ lib/extract.jsnu �[��� 'use strict'
// tar -x
const hlo = require('./high-level-opt.js')
const Unpack = require('./unpack.js')
const fs = require('fs')
const fsm = require('fs-minipass')
const path = require('path')
const stripSlash = require('./strip-trailing-slashes.js')
module.exports = (opt_, files, cb) => {
if (typeof opt_ === 'function') {
cb = opt_, files = null, opt_ = {}
} else if (Array.isArray(opt_)) {
files = opt_, opt_ = {}
}
if (typeof files === 'function') {
cb = files, files = null
}
if (!files) {
files = []
} else {
files = Array.from(files)
}
const opt = hlo(opt_)
if (opt.sync && typeof cb === 'function') {
throw new TypeError('callback not supported for sync tar functions')
}
if (!opt.file && typeof cb === 'function') {
throw new TypeError('callback only supported with file option')
}
if (files.length) {
filesFilter(opt, files)
}
return opt.file && opt.sync ? extractFileSync(opt)
: opt.file ? extractFile(opt, cb)
: opt.sync ? extractSync(opt)
: extract(opt)
}
// construct a filter that limits the file entries listed
// include child entries if a dir is included
const filesFilter = (opt, files) => {
const map = new Map(files.map(f => [stripSlash(f), true]))
const filter = opt.filter
const mapHas = (file, r) => {
const root = r || path.parse(file).root || '.'
const ret = file === root ? false
: map.has(file) ? map.get(file)
: mapHas(path.dirname(file), root)
map.set(file, ret)
return ret
}
opt.filter = filter
? (file, entry) => filter(file, entry) && mapHas(stripSlash(file))
: file => mapHas(stripSlash(file))
}
const extractFileSync = opt => {
const u = new Unpack.Sync(opt)
const file = opt.file
const stat = fs.statSync(file)
// This trades a zero-byte read() syscall for a stat
// However, it will usually result in less memory allocation
const readSize = opt.maxReadSize || 16 * 1024 * 1024
const stream = new fsm.ReadStreamSync(file, {
readSize: readSize,
size: stat.size,
})
stream.pipe(u)
}
const extractFile = (opt, cb) => {
const u = new Unpack(opt)
const readSize = opt.maxReadSize || 16 * 1024 * 1024
const file = opt.file
const p = new Promise((resolve, reject) => {
u.on('error', reject)
u.on('close', resolve)
// This trades a zero-byte read() syscall for a stat
// However, it will usually result in less memory allocation
fs.stat(file, (er, stat) => {
if (er) {
reject(er)
} else {
const stream = new fsm.ReadStream(file, {
readSize: readSize,
size: stat.size,
})
stream.on('error', reject)
stream.pipe(u)
}
})
})
return cb ? p.then(cb, cb) : p
}
const extractSync = opt => new Unpack.Sync(opt)
const extract = opt => new Unpack(opt)
PK �[�\$n/��? �? lib/parse.jsnu �[��� 'use strict'
// this[BUFFER] is the remainder of a chunk if we're waiting for
// the full 512 bytes of a header to come in. We will Buffer.concat()
// it to the next write(), which is a mem copy, but a small one.
//
// this[QUEUE] is a Yallist of entries that haven't been emitted
// yet this can only get filled up if the user keeps write()ing after
// a write() returns false, or does a write() with more than one entry
//
// We don't buffer chunks, we always parse them and either create an
// entry, or push it into the active entry. The ReadEntry class knows
// to throw data away if .ignore=true
//
// Shift entry off the buffer when it emits 'end', and emit 'entry' for
// the next one in the list.
//
// At any time, we're pushing body chunks into the entry at WRITEENTRY,
// and waiting for 'end' on the entry at READENTRY
//
// ignored entries get .resume() called on them straight away
const warner = require('./warn-mixin.js')
const Header = require('./header.js')
const EE = require('events')
const Yallist = require('yallist')
const maxMetaEntrySize = 1024 * 1024
const Entry = require('./read-entry.js')
const Pax = require('./pax.js')
const zlib = require('minizlib')
const { nextTick } = require('process')
const gzipHeader = Buffer.from([0x1f, 0x8b])
const STATE = Symbol('state')
const WRITEENTRY = Symbol('writeEntry')
const READENTRY = Symbol('readEntry')
const NEXTENTRY = Symbol('nextEntry')
const PROCESSENTRY = Symbol('processEntry')
const EX = Symbol('extendedHeader')
const GEX = Symbol('globalExtendedHeader')
const META = Symbol('meta')
const EMITMETA = Symbol('emitMeta')
const BUFFER = Symbol('buffer')
const QUEUE = Symbol('queue')
const ENDED = Symbol('ended')
const EMITTEDEND = Symbol('emittedEnd')
const EMIT = Symbol('emit')
const UNZIP = Symbol('unzip')
const CONSUMECHUNK = Symbol('consumeChunk')
const CONSUMECHUNKSUB = Symbol('consumeChunkSub')
const CONSUMEBODY = Symbol('consumeBody')
const CONSUMEMETA = Symbol('consumeMeta')
const CONSUMEHEADER = Symbol('consumeHeader')
const CONSUMING = Symbol('consuming')
const BUFFERCONCAT = Symbol('bufferConcat')
const MAYBEEND = Symbol('maybeEnd')
const WRITING = Symbol('writing')
const ABORTED = Symbol('aborted')
const DONE = Symbol('onDone')
const SAW_VALID_ENTRY = Symbol('sawValidEntry')
const SAW_NULL_BLOCK = Symbol('sawNullBlock')
const SAW_EOF = Symbol('sawEOF')
const CLOSESTREAM = Symbol('closeStream')
const noop = _ => true
module.exports = warner(class Parser extends EE {
constructor (opt) {
opt = opt || {}
super(opt)
this.file = opt.file || ''
// set to boolean false when an entry starts. 1024 bytes of \0
// is technically a valid tarball, albeit a boring one.
this[SAW_VALID_ENTRY] = null
// these BADARCHIVE errors can't be detected early. listen on DONE.
this.on(DONE, _ => {
if (this[STATE] === 'begin' || this[SAW_VALID_ENTRY] === false) {
// either less than 1 block of data, or all entries were invalid.
// Either way, probably not even a tarball.
this.warn('TAR_BAD_ARCHIVE', 'Unrecognized archive format')
}
})
if (opt.ondone) {
this.on(DONE, opt.ondone)
} else {
this.on(DONE, _ => {
this.emit('prefinish')
this.emit('finish')
this.emit('end')
})
}
this.strict = !!opt.strict
this.maxMetaEntrySize = opt.maxMetaEntrySize || maxMetaEntrySize
this.filter = typeof opt.filter === 'function' ? opt.filter : noop
// Unlike gzip, brotli doesn't have any magic bytes to identify it
// Users need to explicitly tell us they're extracting a brotli file
// Or we infer from the file extension
const isTBR = (opt.file && (
opt.file.endsWith('.tar.br') || opt.file.endsWith('.tbr')))
// if it's a tbr file it MIGHT be brotli, but we don't know until
// we look at it and verify it's not a valid tar file.
this.brotli = !opt.gzip && opt.brotli !== undefined ? opt.brotli
: isTBR ? undefined
: false
// have to set this so that streams are ok piping into it
this.writable = true
this.readable = false
this[QUEUE] = new Yallist()
this[BUFFER] = null
this[READENTRY] = null
this[WRITEENTRY] = null
this[STATE] = 'begin'
this[META] = ''
this[EX] = null
this[GEX] = null
this[ENDED] = false
this[UNZIP] = null
this[ABORTED] = false
this[SAW_NULL_BLOCK] = false
this[SAW_EOF] = false
this.on('end', () => this[CLOSESTREAM]())
if (typeof opt.onwarn === 'function') {
this.on('warn', opt.onwarn)
}
if (typeof opt.onentry === 'function') {
this.on('entry', opt.onentry)
}
}
[CONSUMEHEADER] (chunk, position) {
if (this[SAW_VALID_ENTRY] === null) {
this[SAW_VALID_ENTRY] = false
}
let header
try {
header = new Header(chunk, position, this[EX], this[GEX])
} catch (er) {
return this.warn('TAR_ENTRY_INVALID', er)
}
if (header.nullBlock) {
if (this[SAW_NULL_BLOCK]) {
this[SAW_EOF] = true
// ending an archive with no entries. pointless, but legal.
if (this[STATE] === 'begin') {
this[STATE] = 'header'
}
this[EMIT]('eof')
} else {
this[SAW_NULL_BLOCK] = true
this[EMIT]('nullBlock')
}
} else {
this[SAW_NULL_BLOCK] = false
if (!header.cksumValid) {
this.warn('TAR_ENTRY_INVALID', 'checksum failure', { header })
} else if (!header.path) {
this.warn('TAR_ENTRY_INVALID', 'path is required', { header })
} else {
const type = header.type
if (/^(Symbolic)?Link$/.test(type) && !header.linkpath) {
this.warn('TAR_ENTRY_INVALID', 'linkpath required', { header })
} else if (!/^(Symbolic)?Link$/.test(type) && header.linkpath) {
this.warn('TAR_ENTRY_INVALID', 'linkpath forbidden', { header })
} else {
const entry = this[WRITEENTRY] = new Entry(header, this[EX], this[GEX])
// we do this for meta & ignored entries as well, because they
// are still valid tar, or else we wouldn't know to ignore them
if (!this[SAW_VALID_ENTRY]) {
if (entry.remain) {
// this might be the one!
const onend = () => {
if (!entry.invalid) {
this[SAW_VALID_ENTRY] = true
}
}
entry.on('end', onend)
} else {
this[SAW_VALID_ENTRY] = true
}
}
if (entry.meta) {
if (entry.size > this.maxMetaEntrySize) {
entry.ignore = true
this[EMIT]('ignoredEntry', entry)
this[STATE] = 'ignore'
entry.resume()
} else if (entry.size > 0) {
this[META] = ''
entry.on('data', c => this[META] += c)
this[STATE] = 'meta'
}
} else {
this[EX] = null
entry.ignore = entry.ignore || !this.filter(entry.path, entry)
if (entry.ignore) {
// probably valid, just not something we care about
this[EMIT]('ignoredEntry', entry)
this[STATE] = entry.remain ? 'ignore' : 'header'
entry.resume()
} else {
if (entry.remain) {
this[STATE] = 'body'
} else {
this[STATE] = 'header'
entry.end()
}
if (!this[READENTRY]) {
this[QUEUE].push(entry)
this[NEXTENTRY]()
} else {
this[QUEUE].push(entry)
}
}
}
}
}
}
}
[CLOSESTREAM] () {
nextTick(() => this.emit('close'))
}
[PROCESSENTRY] (entry) {
let go = true
if (!entry) {
this[READENTRY] = null
go = false
} else if (Array.isArray(entry)) {
this.emit.apply(this, entry)
} else {
this[READENTRY] = entry
this.emit('entry', entry)
if (!entry.emittedEnd) {
entry.on('end', _ => this[NEXTENTRY]())
go = false
}
}
return go
}
[NEXTENTRY] () {
do {} while (this[PROCESSENTRY](this[QUEUE].shift()))
if (!this[QUEUE].length) {
// At this point, there's nothing in the queue, but we may have an
// entry which is being consumed (readEntry).
// If we don't, then we definitely can handle more data.
// If we do, and either it's flowing, or it has never had any data
// written to it, then it needs more.
// The only other possibility is that it has returned false from a
// write() call, so we wait for the next drain to continue.
const re = this[READENTRY]
const drainNow = !re || re.flowing || re.size === re.remain
if (drainNow) {
if (!this[WRITING]) {
this.emit('drain')
}
} else {
re.once('drain', _ => this.emit('drain'))
}
}
}
[CONSUMEBODY] (chunk, position) {
// write up to but no more than writeEntry.blockRemain
const entry = this[WRITEENTRY]
const br = entry.blockRemain
const c = (br >= chunk.length && position === 0) ? chunk
: chunk.slice(position, position + br)
entry.write(c)
if (!entry.blockRemain) {
this[STATE] = 'header'
this[WRITEENTRY] = null
entry.end()
}
return c.length
}
[CONSUMEMETA] (chunk, position) {
const entry = this[WRITEENTRY]
const ret = this[CONSUMEBODY](chunk, position)
// if we finished, then the entry is reset
if (!this[WRITEENTRY]) {
this[EMITMETA](entry)
}
return ret
}
[EMIT] (ev, data, extra) {
if (!this[QUEUE].length && !this[READENTRY]) {
this.emit(ev, data, extra)
} else {
this[QUEUE].push([ev, data, extra])
}
}
[EMITMETA] (entry) {
this[EMIT]('meta', this[META])
switch (entry.type) {
case 'ExtendedHeader':
case 'OldExtendedHeader':
this[EX] = Pax.parse(this[META], this[EX], false)
break
case 'GlobalExtendedHeader':
this[GEX] = Pax.parse(this[META], this[GEX], true)
break
case 'NextFileHasLongPath':
case 'OldGnuLongPath':
this[EX] = this[EX] || Object.create(null)
this[EX].path = this[META].replace(/\0.*/, '')
break
case 'NextFileHasLongLinkpath':
this[EX] = this[EX] || Object.create(null)
this[EX].linkpath = this[META].replace(/\0.*/, '')
break
/* istanbul ignore next */
default: throw new Error('unknown meta: ' + entry.type)
}
}
abort (error) {
this[ABORTED] = true
this.emit('abort', error)
// always throws, even in non-strict mode
this.warn('TAR_ABORT', error, { recoverable: false })
}
write (chunk) {
if (this[ABORTED]) {
return
}
// first write, might be gzipped
const needSniff = this[UNZIP] === null ||
this.brotli === undefined && this[UNZIP] === false
if (needSniff && chunk) {
if (this[BUFFER]) {
chunk = Buffer.concat([this[BUFFER], chunk])
this[BUFFER] = null
}
if (chunk.length < gzipHeader.length) {
this[BUFFER] = chunk
return true
}
// look for gzip header
for (let i = 0; this[UNZIP] === null && i < gzipHeader.length; i++) {
if (chunk[i] !== gzipHeader[i]) {
this[UNZIP] = false
}
}
const maybeBrotli = this.brotli === undefined
if (this[UNZIP] === false && maybeBrotli) {
// read the first header to see if it's a valid tar file. If so,
// we can safely assume that it's not actually brotli, despite the
// .tbr or .tar.br file extension.
// if we ended before getting a full chunk, yes, def brotli
if (chunk.length < 512) {
if (this[ENDED]) {
this.brotli = true
} else {
this[BUFFER] = chunk
return true
}
} else {
// if it's tar, it's pretty reliably not brotli, chances of
// that happening are astronomical.
try {
new Header(chunk.slice(0, 512))
this.brotli = false
} catch (_) {
this.brotli = true
}
}
}
if (this[UNZIP] === null || (this[UNZIP] === false && this.brotli)) {
const ended = this[ENDED]
this[ENDED] = false
this[UNZIP] = this[UNZIP] === null
? new zlib.Unzip()
: new zlib.BrotliDecompress()
this[UNZIP].on('data', chunk => this[CONSUMECHUNK](chunk))
this[UNZIP].on('error', er => this.abort(er))
this[UNZIP].on('end', _ => {
this[ENDED] = true
this[CONSUMECHUNK]()
})
this[WRITING] = true
const ret = this[UNZIP][ended ? 'end' : 'write'](chunk)
this[WRITING] = false
return ret
}
}
this[WRITING] = true
if (this[UNZIP]) {
this[UNZIP].write(chunk)
} else {
this[CONSUMECHUNK](chunk)
}
this[WRITING] = false
// return false if there's a queue, or if the current entry isn't flowing
const ret =
this[QUEUE].length ? false :
this[READENTRY] ? this[READENTRY].flowing :
true
// if we have no queue, then that means a clogged READENTRY
if (!ret && !this[QUEUE].length) {
this[READENTRY].once('drain', _ => this.emit('drain'))
}
return ret
}
[BUFFERCONCAT] (c) {
if (c && !this[ABORTED]) {
this[BUFFER] = this[BUFFER] ? Buffer.concat([this[BUFFER], c]) : c
}
}
[MAYBEEND] () {
if (this[ENDED] &&
!this[EMITTEDEND] &&
!this[ABORTED] &&
!this[CONSUMING]) {
this[EMITTEDEND] = true
const entry = this[WRITEENTRY]
if (entry && entry.blockRemain) {
// truncated, likely a damaged file
const have = this[BUFFER] ? this[BUFFER].length : 0
this.warn('TAR_BAD_ARCHIVE', `Truncated input (needed ${
entry.blockRemain} more bytes, only ${have} available)`, { entry })
if (this[BUFFER]) {
entry.write(this[BUFFER])
}
entry.end()
}
this[EMIT](DONE)
}
}
[CONSUMECHUNK] (chunk) {
if (this[CONSUMING]) {
this[BUFFERCONCAT](chunk)
} else if (!chunk && !this[BUFFER]) {
this[MAYBEEND]()
} else {
this[CONSUMING] = true
if (this[BUFFER]) {
this[BUFFERCONCAT](chunk)
const c = this[BUFFER]
this[BUFFER] = null
this[CONSUMECHUNKSUB](c)
} else {
this[CONSUMECHUNKSUB](chunk)
}
while (this[BUFFER] &&
this[BUFFER].length >= 512 &&
!this[ABORTED] &&
!this[SAW_EOF]) {
const c = this[BUFFER]
this[BUFFER] = null
this[CONSUMECHUNKSUB](c)
}
this[CONSUMING] = false
}
if (!this[BUFFER] || this[ENDED]) {
this[MAYBEEND]()
}
}
[CONSUMECHUNKSUB] (chunk) {
// we know that we are in CONSUMING mode, so anything written goes into
// the buffer. Advance the position and put any remainder in the buffer.
let position = 0
const length = chunk.length
while (position + 512 <= length && !this[ABORTED] && !this[SAW_EOF]) {
switch (this[STATE]) {
case 'begin':
case 'header':
this[CONSUMEHEADER](chunk, position)
position += 512
break
case 'ignore':
case 'body':
position += this[CONSUMEBODY](chunk, position)
break
case 'meta':
position += this[CONSUMEMETA](chunk, position)
break
/* istanbul ignore next */
default:
throw new Error('invalid state: ' + this[STATE])
}
}
if (position < length) {
if (this[BUFFER]) {
this[BUFFER] = Buffer.concat([chunk.slice(position), this[BUFFER]])
} else {
this[BUFFER] = chunk.slice(position)
}
}
}
end (chunk) {
if (!this[ABORTED]) {
if (this[UNZIP]) {
this[UNZIP].end(chunk)
} else {
this[ENDED] = true
if (this.brotli === undefined) chunk = chunk || Buffer.alloc(0)
this.write(chunk)
}
}
}
})
PK �[�\��'� � lib/strip-trailing-slashes.jsnu �[��� // warning: extremely hot code path.
// This has been meticulously optimized for use
// within npm install on large package trees.
// Do not edit without careful benchmarking.
module.exports = str => {
let i = str.length - 1
let slashesStart = -1
while (i > -1 && str.charAt(i) === '/') {
slashesStart = i
i--
}
return slashesStart === -1 ? str : str.slice(0, slashesStart)
}
PK �[�\��J� � lib/replace.jsnu �[��� 'use strict'
// tar -r
const hlo = require('./high-level-opt.js')
const Pack = require('./pack.js')
const fs = require('fs')
const fsm = require('fs-minipass')
const t = require('./list.js')
const path = require('path')
// starting at the head of the file, read a Header
// If the checksum is invalid, that's our position to start writing
// If it is, jump forward by the specified size (round up to 512)
// and try again.
// Write the new Pack stream starting there.
const Header = require('./header.js')
module.exports = (opt_, files, cb) => {
const opt = hlo(opt_)
if (!opt.file) {
throw new TypeError('file is required')
}
if (opt.gzip || opt.brotli || opt.file.endsWith('.br') || opt.file.endsWith('.tbr')) {
throw new TypeError('cannot append to compressed archives')
}
if (!files || !Array.isArray(files) || !files.length) {
throw new TypeError('no files or directories specified')
}
files = Array.from(files)
return opt.sync ? replaceSync(opt, files)
: replace(opt, files, cb)
}
const replaceSync = (opt, files) => {
const p = new Pack.Sync(opt)
let threw = true
let fd
let position
try {
try {
fd = fs.openSync(opt.file, 'r+')
} catch (er) {
if (er.code === 'ENOENT') {
fd = fs.openSync(opt.file, 'w+')
} else {
throw er
}
}
const st = fs.fstatSync(fd)
const headBuf = Buffer.alloc(512)
POSITION: for (position = 0; position < st.size; position += 512) {
for (let bufPos = 0, bytes = 0; bufPos < 512; bufPos += bytes) {
bytes = fs.readSync(
fd, headBuf, bufPos, headBuf.length - bufPos, position + bufPos
)
if (position === 0 && headBuf[0] === 0x1f && headBuf[1] === 0x8b) {
throw new Error('cannot append to compressed archives')
}
if (!bytes) {
break POSITION
}
}
const h = new Header(headBuf)
if (!h.cksumValid) {
break
}
const entryBlockSize = 512 * Math.ceil(h.size / 512)
if (position + entryBlockSize + 512 > st.size) {
break
}
// the 512 for the header we just parsed will be added as well
// also jump ahead all the blocks for the body
position += entryBlockSize
if (opt.mtimeCache) {
opt.mtimeCache.set(h.path, h.mtime)
}
}
threw = false
streamSync(opt, p, position, fd, files)
} finally {
if (threw) {
try {
fs.closeSync(fd)
} catch (er) {}
}
}
}
const streamSync = (opt, p, position, fd, files) => {
const stream = new fsm.WriteStreamSync(opt.file, {
fd: fd,
start: position,
})
p.pipe(stream)
addFilesSync(p, files)
}
const replace = (opt, files, cb) => {
files = Array.from(files)
const p = new Pack(opt)
const getPos = (fd, size, cb_) => {
const cb = (er, pos) => {
if (er) {
fs.close(fd, _ => cb_(er))
} else {
cb_(null, pos)
}
}
let position = 0
if (size === 0) {
return cb(null, 0)
}
let bufPos = 0
const headBuf = Buffer.alloc(512)
const onread = (er, bytes) => {
if (er) {
return cb(er)
}
bufPos += bytes
if (bufPos < 512 && bytes) {
return fs.read(
fd, headBuf, bufPos, headBuf.length - bufPos,
position + bufPos, onread
)
}
if (position === 0 && headBuf[0] === 0x1f && headBuf[1] === 0x8b) {
return cb(new Error('cannot append to compressed archives'))
}
// truncated header
if (bufPos < 512) {
return cb(null, position)
}
const h = new Header(headBuf)
if (!h.cksumValid) {
return cb(null, position)
}
const entryBlockSize = 512 * Math.ceil(h.size / 512)
if (position + entryBlockSize + 512 > size) {
return cb(null, position)
}
position += entryBlockSize + 512
if (position >= size) {
return cb(null, position)
}
if (opt.mtimeCache) {
opt.mtimeCache.set(h.path, h.mtime)
}
bufPos = 0
fs.read(fd, headBuf, 0, 512, position, onread)
}
fs.read(fd, headBuf, 0, 512, position, onread)
}
const promise = new Promise((resolve, reject) => {
p.on('error', reject)
let flag = 'r+'
const onopen = (er, fd) => {
if (er && er.code === 'ENOENT' && flag === 'r+') {
flag = 'w+'
return fs.open(opt.file, flag, onopen)
}
if (er) {
return reject(er)
}
fs.fstat(fd, (er, st) => {
if (er) {
return fs.close(fd, () => reject(er))
}
getPos(fd, st.size, (er, position) => {
if (er) {
return reject(er)
}
const stream = new fsm.WriteStream(opt.file, {
fd: fd,
start: position,
})
p.pipe(stream)
stream.on('error', reject)
stream.on('close', resolve)
addFilesAsync(p, files)
})
})
}
fs.open(opt.file, flag, onopen)
})
return cb ? promise.then(cb, cb) : promise
}
const addFilesSync = (p, files) => {
files.forEach(file => {
if (file.charAt(0) === '@') {
t({
file: path.resolve(p.cwd, file.slice(1)),
sync: true,
noResume: true,
onentry: entry => p.add(entry),
})
} else {
p.add(file)
}
})
p.end()
}
const addFilesAsync = (p, files) => {
while (files.length) {
const file = files.shift()
if (file.charAt(0) === '@') {
return t({
file: path.resolve(p.cwd, file.slice(1)),
noResume: true,
onentry: entry => p.add(entry),
}).then(_ => addFilesAsync(p, files))
} else {
p.add(file)
}
}
p.end()
}
PK �[�\ʊ� � lib/high-level-opt.jsnu �[��� 'use strict'
// turn tar(1) style args like `C` into the more verbose things like `cwd`
const argmap = new Map([
['C', 'cwd'],
['f', 'file'],
['z', 'gzip'],
['P', 'preservePaths'],
['U', 'unlink'],
['strip-components', 'strip'],
['stripComponents', 'strip'],
['keep-newer', 'newer'],
['keepNewer', 'newer'],
['keep-newer-files', 'newer'],
['keepNewerFiles', 'newer'],
['k', 'keep'],
['keep-existing', 'keep'],
['keepExisting', 'keep'],
['m', 'noMtime'],
['no-mtime', 'noMtime'],
['p', 'preserveOwner'],
['L', 'follow'],
['h', 'follow'],
])
module.exports = opt => opt ? Object.keys(opt).map(k => [
argmap.has(k) ? argmap.get(k) : k, opt[k],
]).reduce((set, kv) => (set[kv[0]] = kv[1], set), Object.create(null)) : {}
PK �[�\�� � lib/normalize-windows-path.jsnu �[��� // on windows, either \ or / are valid directory separators.
// on unix, \ is a valid character in filenames.
// so, on windows, and only on windows, we replace all \ chars with /,
// so that we can use / as our one and only directory separator char.
const platform = process.env.TESTING_TAR_FAKE_PLATFORM || process.platform
module.exports = platform !== 'win32' ? p => p
: p => p && p.replace(/\\/g, '/')
PK �[�\�n]�� �
lib/pax.jsnu �[��� 'use strict'
const Header = require('./header.js')
const path = require('path')
class Pax {
constructor (obj, global) {
this.atime = obj.atime || null
this.charset = obj.charset || null
this.comment = obj.comment || null
this.ctime = obj.ctime || null
this.gid = obj.gid || null
this.gname = obj.gname || null
this.linkpath = obj.linkpath || null
this.mtime = obj.mtime || null
this.path = obj.path || null
this.size = obj.size || null
this.uid = obj.uid || null
this.uname = obj.uname || null
this.dev = obj.dev || null
this.ino = obj.ino || null
this.nlink = obj.nlink || null
this.global = global || false
}
encode () {
const body = this.encodeBody()
if (body === '') {
return null
}
const bodyLen = Buffer.byteLength(body)
// round up to 512 bytes
// add 512 for header
const bufLen = 512 * Math.ceil(1 + bodyLen / 512)
const buf = Buffer.allocUnsafe(bufLen)
// 0-fill the header section, it might not hit every field
for (let i = 0; i < 512; i++) {
buf[i] = 0
}
new Header({
// XXX split the path
// then the path should be PaxHeader + basename, but less than 99,
// prepend with the dirname
path: ('PaxHeader/' + path.basename(this.path)).slice(0, 99),
mode: this.mode || 0o644,
uid: this.uid || null,
gid: this.gid || null,
size: bodyLen,
mtime: this.mtime || null,
type: this.global ? 'GlobalExtendedHeader' : 'ExtendedHeader',
linkpath: '',
uname: this.uname || '',
gname: this.gname || '',
devmaj: 0,
devmin: 0,
atime: this.atime || null,
ctime: this.ctime || null,
}).encode(buf)
buf.write(body, 512, bodyLen, 'utf8')
// null pad after the body
for (let i = bodyLen + 512; i < buf.length; i++) {
buf[i] = 0
}
return buf
}
encodeBody () {
return (
this.encodeField('path') +
this.encodeField('ctime') +
this.encodeField('atime') +
this.encodeField('dev') +
this.encodeField('ino') +
this.encodeField('nlink') +
this.encodeField('charset') +
this.encodeField('comment') +
this.encodeField('gid') +
this.encodeField('gname') +
this.encodeField('linkpath') +
this.encodeField('mtime') +
this.encodeField('size') +
this.encodeField('uid') +
this.encodeField('uname')
)
}
encodeField (field) {
if (this[field] === null || this[field] === undefined) {
return ''
}
const v = this[field] instanceof Date ? this[field].getTime() / 1000
: this[field]
const s = ' ' +
(field === 'dev' || field === 'ino' || field === 'nlink'
? 'SCHILY.' : '') +
field + '=' + v + '\n'
const byteLen = Buffer.byteLength(s)
// the digits includes the length of the digits in ascii base-10
// so if it's 9 characters, then adding 1 for the 9 makes it 10
// which makes it 11 chars.
let digits = Math.floor(Math.log(byteLen) / Math.log(10)) + 1
if (byteLen + digits >= Math.pow(10, digits)) {
digits += 1
}
const len = digits + byteLen
return len + s
}
}
Pax.parse = (string, ex, g) => new Pax(merge(parseKV(string), ex), g)
const merge = (a, b) =>
b ? Object.keys(a).reduce((s, k) => (s[k] = a[k], s), b) : a
const parseKV = string =>
string
.replace(/\n$/, '')
.split('\n')
.reduce(parseKVLine, Object.create(null))
const parseKVLine = (set, line) => {
const n = parseInt(line, 10)
// XXX Values with \n in them will fail this.
// Refactor to not be a naive line-by-line parse.
if (n !== Buffer.byteLength(line) + 1) {
return set
}
line = line.slice((n + ' ').length)
const kv = line.split('=')
const k = kv.shift().replace(/^SCHILY\.(dev|ino|nlink)/, '$1')
if (!k) {
return set
}
const v = kv.join('=')
set[k] = /^([A-Z]+\.)?([mac]|birth|creation)time$/.test(k)
? new Date(v * 1000)
: /^[0-9]+$/.test(v) ? +v
: v
return set
}
module.exports = Pax
PK �[�\
��T� � lib/strip-absolute-path.jsnu �[��� // unix absolute paths are also absolute on win32, so we use this for both
const { isAbsolute, parse } = require('path').win32
// returns [root, stripped]
// Note that windows will think that //x/y/z/a has a "root" of //x/y, and in
// those cases, we want to sanitize it to x/y/z/a, not z/a, so we strip /
// explicitly if it's the first character.
// drive-specific relative paths on Windows get their root stripped off even
// though they are not absolute, so `c:../foo` becomes ['c:', '../foo']
module.exports = path => {
let r = ''
let parsed = parse(path)
while (isAbsolute(path) || parsed.root) {
// windows will think that //x/y/z has a "root" of //x/y/
// but strip the //?/C:/ off of //?/C:/path
const root = path.charAt(0) === '/' && path.slice(0, 4) !== '//?/' ? '/'
: parsed.root
path = path.slice(root.length)
r += root
parsed = parse(path)
}
return [r, path]
}
PK �[�\��� � lib/large-numbers.jsnu �[��� 'use strict'
// Tar can encode large and negative numbers using a leading byte of
// 0xff for negative, and 0x80 for positive.
const encode = (num, buf) => {
if (!Number.isSafeInteger(num)) {
// The number is so large that javascript cannot represent it with integer
// precision.
throw Error('cannot encode number outside of javascript safe integer range')
} else if (num < 0) {
encodeNegative(num, buf)
} else {
encodePositive(num, buf)
}
return buf
}
const encodePositive = (num, buf) => {
buf[0] = 0x80
for (var i = buf.length; i > 1; i--) {
buf[i - 1] = num & 0xff
num = Math.floor(num / 0x100)
}
}
const encodeNegative = (num, buf) => {
buf[0] = 0xff
var flipped = false
num = num * -1
for (var i = buf.length; i > 1; i--) {
var byte = num & 0xff
num = Math.floor(num / 0x100)
if (flipped) {
buf[i - 1] = onesComp(byte)
} else if (byte === 0) {
buf[i - 1] = 0
} else {
flipped = true
buf[i - 1] = twosComp(byte)
}
}
}
const parse = (buf) => {
const pre = buf[0]
const value = pre === 0x80 ? pos(buf.slice(1, buf.length))
: pre === 0xff ? twos(buf)
: null
if (value === null) {
throw Error('invalid base256 encoding')
}
if (!Number.isSafeInteger(value)) {
// The number is so large that javascript cannot represent it with integer
// precision.
throw Error('parsed number outside of javascript safe integer range')
}
return value
}
const twos = (buf) => {
var len = buf.length
var sum = 0
var flipped = false
for (var i = len - 1; i > -1; i--) {
var byte = buf[i]
var f
if (flipped) {
f = onesComp(byte)
} else if (byte === 0) {
f = byte
} else {
flipped = true
f = twosComp(byte)
}
if (f !== 0) {
sum -= f * Math.pow(256, len - i - 1)
}
}
return sum
}
const pos = (buf) => {
var len = buf.length
var sum = 0
for (var i = len - 1; i > -1; i--) {
var byte = buf[i]
if (byte !== 0) {
sum += byte * Math.pow(256, len - i - 1)
}
}
return sum
}
const onesComp = byte => (0xff ^ byte) & 0xff
const twosComp = byte => ((0xff ^ byte) + 1) & 0xff
module.exports = {
encode,
parse,
}
PK �[�\���; �; lib/write-entry.jsnu �[��� 'use strict'
const { Minipass } = require('minipass')
const Pax = require('./pax.js')
const Header = require('./header.js')
const fs = require('fs')
const path = require('path')
const normPath = require('./normalize-windows-path.js')
const stripSlash = require('./strip-trailing-slashes.js')
const prefixPath = (path, prefix) => {
if (!prefix) {
return normPath(path)
}
path = normPath(path).replace(/^\.(\/|$)/, '')
return stripSlash(prefix) + '/' + path
}
const maxReadSize = 16 * 1024 * 1024
const PROCESS = Symbol('process')
const FILE = Symbol('file')
const DIRECTORY = Symbol('directory')
const SYMLINK = Symbol('symlink')
const HARDLINK = Symbol('hardlink')
const HEADER = Symbol('header')
const READ = Symbol('read')
const LSTAT = Symbol('lstat')
const ONLSTAT = Symbol('onlstat')
const ONREAD = Symbol('onread')
const ONREADLINK = Symbol('onreadlink')
const OPENFILE = Symbol('openfile')
const ONOPENFILE = Symbol('onopenfile')
const CLOSE = Symbol('close')
const MODE = Symbol('mode')
const AWAITDRAIN = Symbol('awaitDrain')
const ONDRAIN = Symbol('ondrain')
const PREFIX = Symbol('prefix')
const HAD_ERROR = Symbol('hadError')
const warner = require('./warn-mixin.js')
const winchars = require('./winchars.js')
const stripAbsolutePath = require('./strip-absolute-path.js')
const modeFix = require('./mode-fix.js')
const WriteEntry = warner(class WriteEntry extends Minipass {
constructor (p, opt) {
opt = opt || {}
super(opt)
if (typeof p !== 'string') {
throw new TypeError('path is required')
}
this.path = normPath(p)
// suppress atime, ctime, uid, gid, uname, gname
this.portable = !!opt.portable
// until node has builtin pwnam functions, this'll have to do
this.myuid = process.getuid && process.getuid() || 0
this.myuser = process.env.USER || ''
this.maxReadSize = opt.maxReadSize || maxReadSize
this.linkCache = opt.linkCache || new Map()
this.statCache = opt.statCache || new Map()
this.preservePaths = !!opt.preservePaths
this.cwd = normPath(opt.cwd || process.cwd())
this.strict = !!opt.strict
this.noPax = !!opt.noPax
this.noMtime = !!opt.noMtime
this.mtime = opt.mtime || null
this.prefix = opt.prefix ? normPath(opt.prefix) : null
this.fd = null
this.blockLen = null
this.blockRemain = null
this.buf = null
this.offset = null
this.length = null
this.pos = null
this.remain = null
if (typeof opt.onwarn === 'function') {
this.on('warn', opt.onwarn)
}
let pathWarn = false
if (!this.preservePaths) {
const [root, stripped] = stripAbsolutePath(this.path)
if (root) {
this.path = stripped
pathWarn = root
}
}
this.win32 = !!opt.win32 || process.platform === 'win32'
if (this.win32) {
// force the \ to / normalization, since we might not *actually*
// be on windows, but want \ to be considered a path separator.
this.path = winchars.decode(this.path.replace(/\\/g, '/'))
p = p.replace(/\\/g, '/')
}
this.absolute = normPath(opt.absolute || path.resolve(this.cwd, p))
if (this.path === '') {
this.path = './'
}
if (pathWarn) {
this.warn('TAR_ENTRY_INFO', `stripping ${pathWarn} from absolute path`, {
entry: this,
path: pathWarn + this.path,
})
}
if (this.statCache.has(this.absolute)) {
this[ONLSTAT](this.statCache.get(this.absolute))
} else {
this[LSTAT]()
}
}
emit (ev, ...data) {
if (ev === 'error') {
this[HAD_ERROR] = true
}
return super.emit(ev, ...data)
}
[LSTAT] () {
fs.lstat(this.absolute, (er, stat) => {
if (er) {
return this.emit('error', er)
}
this[ONLSTAT](stat)
})
}
[ONLSTAT] (stat) {
this.statCache.set(this.absolute, stat)
this.stat = stat
if (!stat.isFile()) {
stat.size = 0
}
this.type = getType(stat)
this.emit('stat', stat)
this[PROCESS]()
}
[PROCESS] () {
switch (this.type) {
case 'File': return this[FILE]()
case 'Directory': return this[DIRECTORY]()
case 'SymbolicLink': return this[SYMLINK]()
// unsupported types are ignored.
default: return this.end()
}
}
[MODE] (mode) {
return modeFix(mode, this.type === 'Directory', this.portable)
}
[PREFIX] (path) {
return prefixPath(path, this.prefix)
}
[HEADER] () {
if (this.type === 'Directory' && this.portable) {
this.noMtime = true
}
this.header = new Header({
path: this[PREFIX](this.path),
// only apply the prefix to hard links.
linkpath: this.type === 'Link' ? this[PREFIX](this.linkpath)
: this.linkpath,
// only the permissions and setuid/setgid/sticky bitflags
// not the higher-order bits that specify file type
mode: this[MODE](this.stat.mode),
uid: this.portable ? null : this.stat.uid,
gid: this.portable ? null : this.stat.gid,
size: this.stat.size,
mtime: this.noMtime ? null : this.mtime || this.stat.mtime,
type: this.type,
uname: this.portable ? null :
this.stat.uid === this.myuid ? this.myuser : '',
atime: this.portable ? null : this.stat.atime,
ctime: this.portable ? null : this.stat.ctime,
})
if (this.header.encode() && !this.noPax) {
super.write(new Pax({
atime: this.portable ? null : this.header.atime,
ctime: this.portable ? null : this.header.ctime,
gid: this.portable ? null : this.header.gid,
mtime: this.noMtime ? null : this.mtime || this.header.mtime,
path: this[PREFIX](this.path),
linkpath: this.type === 'Link' ? this[PREFIX](this.linkpath)
: this.linkpath,
size: this.header.size,
uid: this.portable ? null : this.header.uid,
uname: this.portable ? null : this.header.uname,
dev: this.portable ? null : this.stat.dev,
ino: this.portable ? null : this.stat.ino,
nlink: this.portable ? null : this.stat.nlink,
}).encode())
}
super.write(this.header.block)
}
[DIRECTORY] () {
if (this.path.slice(-1) !== '/') {
this.path += '/'
}
this.stat.size = 0
this[HEADER]()
this.end()
}
[SYMLINK] () {
fs.readlink(this.absolute, (er, linkpath) => {
if (er) {
return this.emit('error', er)
}
this[ONREADLINK](linkpath)
})
}
[ONREADLINK] (linkpath) {
this.linkpath = normPath(linkpath)
this[HEADER]()
this.end()
}
[HARDLINK] (linkpath) {
this.type = 'Link'
this.linkpath = normPath(path.relative(this.cwd, linkpath))
this.stat.size = 0
this[HEADER]()
this.end()
}
[FILE] () {
if (this.stat.nlink > 1) {
const linkKey = this.stat.dev + ':' + this.stat.ino
if (this.linkCache.has(linkKey)) {
const linkpath = this.linkCache.get(linkKey)
if (linkpath.indexOf(this.cwd) === 0) {
return this[HARDLINK](linkpath)
}
}
this.linkCache.set(linkKey, this.absolute)
}
this[HEADER]()
if (this.stat.size === 0) {
return this.end()
}
this[OPENFILE]()
}
[OPENFILE] () {
fs.open(this.absolute, 'r', (er, fd) => {
if (er) {
return this.emit('error', er)
}
this[ONOPENFILE](fd)
})
}
[ONOPENFILE] (fd) {
this.fd = fd
if (this[HAD_ERROR]) {
return this[CLOSE]()
}
this.blockLen = 512 * Math.ceil(this.stat.size / 512)
this.blockRemain = this.blockLen
const bufLen = Math.min(this.blockLen, this.maxReadSize)
this.buf = Buffer.allocUnsafe(bufLen)
this.offset = 0
this.pos = 0
this.remain = this.stat.size
this.length = this.buf.length
this[READ]()
}
[READ] () {
const { fd, buf, offset, length, pos } = this
fs.read(fd, buf, offset, length, pos, (er, bytesRead) => {
if (er) {
// ignoring the error from close(2) is a bad practice, but at
// this point we already have an error, don't need another one
return this[CLOSE](() => this.emit('error', er))
}
this[ONREAD](bytesRead)
})
}
[CLOSE] (cb) {
fs.close(this.fd, cb)
}
[ONREAD] (bytesRead) {
if (bytesRead <= 0 && this.remain > 0) {
const er = new Error('encountered unexpected EOF')
er.path = this.absolute
er.syscall = 'read'
er.code = 'EOF'
return this[CLOSE](() => this.emit('error', er))
}
if (bytesRead > this.remain) {
const er = new Error('did not encounter expected EOF')
er.path = this.absolute
er.syscall = 'read'
er.code = 'EOF'
return this[CLOSE](() => this.emit('error', er))
}
// null out the rest of the buffer, if we could fit the block padding
// at the end of this loop, we've incremented bytesRead and this.remain
// to be incremented up to the blockRemain level, as if we had expected
// to get a null-padded file, and read it until the end. then we will
// decrement both remain and blockRemain by bytesRead, and know that we
// reached the expected EOF, without any null buffer to append.
if (bytesRead === this.remain) {
for (let i = bytesRead; i < this.length && bytesRead < this.blockRemain; i++) {
this.buf[i + this.offset] = 0
bytesRead++
this.remain++
}
}
const writeBuf = this.offset === 0 && bytesRead === this.buf.length ?
this.buf : this.buf.slice(this.offset, this.offset + bytesRead)
const flushed = this.write(writeBuf)
if (!flushed) {
this[AWAITDRAIN](() => this[ONDRAIN]())
} else {
this[ONDRAIN]()
}
}
[AWAITDRAIN] (cb) {
this.once('drain', cb)
}
write (writeBuf) {
if (this.blockRemain < writeBuf.length) {
const er = new Error('writing more data than expected')
er.path = this.absolute
return this.emit('error', er)
}
this.remain -= writeBuf.length
this.blockRemain -= writeBuf.length
this.pos += writeBuf.length
this.offset += writeBuf.length
return super.write(writeBuf)
}
[ONDRAIN] () {
if (!this.remain) {
if (this.blockRemain) {
super.write(Buffer.alloc(this.blockRemain))
}
return this[CLOSE](er => er ? this.emit('error', er) : this.end())
}
if (this.offset >= this.length) {
// if we only have a smaller bit left to read, alloc a smaller buffer
// otherwise, keep it the same length it was before.
this.buf = Buffer.allocUnsafe(Math.min(this.blockRemain, this.buf.length))
this.offset = 0
}
this.length = this.buf.length - this.offset
this[READ]()
}
})
class WriteEntrySync extends WriteEntry {
[LSTAT] () {
this[ONLSTAT](fs.lstatSync(this.absolute))
}
[SYMLINK] () {
this[ONREADLINK](fs.readlinkSync(this.absolute))
}
[OPENFILE] () {
this[ONOPENFILE](fs.openSync(this.absolute, 'r'))
}
[READ] () {
let threw = true
try {
const { fd, buf, offset, length, pos } = this
const bytesRead = fs.readSync(fd, buf, offset, length, pos)
this[ONREAD](bytesRead)
threw = false
} finally {
// ignoring the error from close(2) is a bad practice, but at
// this point we already have an error, don't need another one
if (threw) {
try {
this[CLOSE](() => {})
} catch (er) {}
}
}
}
[AWAITDRAIN] (cb) {
cb()
}
[CLOSE] (cb) {
fs.closeSync(this.fd)
cb()
}
}
const WriteEntryTar = warner(class WriteEntryTar extends Minipass {
constructor (readEntry, opt) {
opt = opt || {}
super(opt)
this.preservePaths = !!opt.preservePaths
this.portable = !!opt.portable
this.strict = !!opt.strict
this.noPax = !!opt.noPax
this.noMtime = !!opt.noMtime
this.readEntry = readEntry
this.type = readEntry.type
if (this.type === 'Directory' && this.portable) {
this.noMtime = true
}
this.prefix = opt.prefix || null
this.path = normPath(readEntry.path)
this.mode = this[MODE](readEntry.mode)
this.uid = this.portable ? null : readEntry.uid
this.gid = this.portable ? null : readEntry.gid
this.uname = this.portable ? null : readEntry.uname
this.gname = this.portable ? null : readEntry.gname
this.size = readEntry.size
this.mtime = this.noMtime ? null : opt.mtime || readEntry.mtime
this.atime = this.portable ? null : readEntry.atime
this.ctime = this.portable ? null : readEntry.ctime
this.linkpath = normPath(readEntry.linkpath)
if (typeof opt.onwarn === 'function') {
this.on('warn', opt.onwarn)
}
let pathWarn = false
if (!this.preservePaths) {
const [root, stripped] = stripAbsolutePath(this.path)
if (root) {
this.path = stripped
pathWarn = root
}
}
this.remain = readEntry.size
this.blockRemain = readEntry.startBlockSize
this.header = new Header({
path: this[PREFIX](this.path),
linkpath: this.type === 'Link' ? this[PREFIX](this.linkpath)
: this.linkpath,
// only the permissions and setuid/setgid/sticky bitflags
// not the higher-order bits that specify file type
mode: this.mode,
uid: this.portable ? null : this.uid,
gid: this.portable ? null : this.gid,
size: this.size,
mtime: this.noMtime ? null : this.mtime,
type: this.type,
uname: this.portable ? null : this.uname,
atime: this.portable ? null : this.atime,
ctime: this.portable ? null : this.ctime,
})
if (pathWarn) {
this.warn('TAR_ENTRY_INFO', `stripping ${pathWarn} from absolute path`, {
entry: this,
path: pathWarn + this.path,
})
}
if (this.header.encode() && !this.noPax) {
super.write(new Pax({
atime: this.portable ? null : this.atime,
ctime: this.portable ? null : this.ctime,
gid: this.portable ? null : this.gid,
mtime: this.noMtime ? null : this.mtime,
path: this[PREFIX](this.path),
linkpath: this.type === 'Link' ? this[PREFIX](this.linkpath)
: this.linkpath,
size: this.size,
uid: this.portable ? null : this.uid,
uname: this.portable ? null : this.uname,
dev: this.portable ? null : this.readEntry.dev,
ino: this.portable ? null : this.readEntry.ino,
nlink: this.portable ? null : this.readEntry.nlink,
}).encode())
}
super.write(this.header.block)
readEntry.pipe(this)
}
[PREFIX] (path) {
return prefixPath(path, this.prefix)
}
[MODE] (mode) {
return modeFix(mode, this.type === 'Directory', this.portable)
}
write (data) {
const writeLen = data.length
if (writeLen > this.blockRemain) {
throw new Error('writing more to entry than is appropriate')
}
this.blockRemain -= writeLen
return super.write(data)
}
end () {
if (this.blockRemain) {
super.write(Buffer.alloc(this.blockRemain))
}
return super.end()
}
})
WriteEntry.Sync = WriteEntrySync
WriteEntry.Tar = WriteEntryTar
const getType = stat =>
stat.isFile() ? 'File'
: stat.isDirectory() ? 'Directory'
: stat.isSymbolicLink() ? 'SymbolicLink'
: 'Unsupported'
module.exports = WriteEntry
PK �[�\���� � lib/warn-mixin.jsnu �[��� 'use strict'
module.exports = Base => class extends Base {
warn (code, message, data = {}) {
if (this.file) {
data.file = this.file
}
if (this.cwd) {
data.cwd = this.cwd
}
data.code = message instanceof Error && message.code || code
data.tarCode = code
if (!this.strict && data.recoverable !== false) {
if (message instanceof Error) {
data = Object.assign(message, data)
message = message.message
}
this.emit('warn', data.tarCode, message, data)
} else if (message instanceof Error) {
this.emit('error', Object.assign(message, data))
} else {
this.emit('error', Object.assign(new Error(`${code}: ${message}`), data))
}
}
}
PK �[�\��z�%' %' lib/pack.jsnu �[��� 'use strict'
// A readable tar stream creator
// Technically, this is a transform stream that you write paths into,
// and tar format comes out of.
// The `add()` method is like `write()` but returns this,
// and end() return `this` as well, so you can
// do `new Pack(opt).add('files').add('dir').end().pipe(output)
// You could also do something like:
// streamOfPaths().pipe(new Pack()).pipe(new fs.WriteStream('out.tar'))
class PackJob {
constructor (path, absolute) {
this.path = path || './'
this.absolute = absolute
this.entry = null
this.stat = null
this.readdir = null
this.pending = false
this.ignore = false
this.piped = false
}
}
const { Minipass } = require('minipass')
const zlib = require('minizlib')
const ReadEntry = require('./read-entry.js')
const WriteEntry = require('./write-entry.js')
const WriteEntrySync = WriteEntry.Sync
const WriteEntryTar = WriteEntry.Tar
const Yallist = require('yallist')
const EOF = Buffer.alloc(1024)
const ONSTAT = Symbol('onStat')
const ENDED = Symbol('ended')
const QUEUE = Symbol('queue')
const CURRENT = Symbol('current')
const PROCESS = Symbol('process')
const PROCESSING = Symbol('processing')
const PROCESSJOB = Symbol('processJob')
const JOBS = Symbol('jobs')
const JOBDONE = Symbol('jobDone')
const ADDFSENTRY = Symbol('addFSEntry')
const ADDTARENTRY = Symbol('addTarEntry')
const STAT = Symbol('stat')
const READDIR = Symbol('readdir')
const ONREADDIR = Symbol('onreaddir')
const PIPE = Symbol('pipe')
const ENTRY = Symbol('entry')
const ENTRYOPT = Symbol('entryOpt')
const WRITEENTRYCLASS = Symbol('writeEntryClass')
const WRITE = Symbol('write')
const ONDRAIN = Symbol('ondrain')
const fs = require('fs')
const path = require('path')
const warner = require('./warn-mixin.js')
const normPath = require('./normalize-windows-path.js')
const Pack = warner(class Pack extends Minipass {
constructor (opt) {
super(opt)
opt = opt || Object.create(null)
this.opt = opt
this.file = opt.file || ''
this.cwd = opt.cwd || process.cwd()
this.maxReadSize = opt.maxReadSize
this.preservePaths = !!opt.preservePaths
this.strict = !!opt.strict
this.noPax = !!opt.noPax
this.prefix = normPath(opt.prefix || '')
this.linkCache = opt.linkCache || new Map()
this.statCache = opt.statCache || new Map()
this.readdirCache = opt.readdirCache || new Map()
this[WRITEENTRYCLASS] = WriteEntry
if (typeof opt.onwarn === 'function') {
this.on('warn', opt.onwarn)
}
this.portable = !!opt.portable
this.zip = null
if (opt.gzip || opt.brotli) {
if (opt.gzip && opt.brotli) {
throw new TypeError('gzip and brotli are mutually exclusive')
}
if (opt.gzip) {
if (typeof opt.gzip !== 'object') {
opt.gzip = {}
}
if (this.portable) {
opt.gzip.portable = true
}
this.zip = new zlib.Gzip(opt.gzip)
}
if (opt.brotli) {
if (typeof opt.brotli !== 'object') {
opt.brotli = {}
}
this.zip = new zlib.BrotliCompress(opt.brotli)
}
this.zip.on('data', chunk => super.write(chunk))
this.zip.on('end', _ => super.end())
this.zip.on('drain', _ => this[ONDRAIN]())
this.on('resume', _ => this.zip.resume())
} else {
this.on('drain', this[ONDRAIN])
}
this.noDirRecurse = !!opt.noDirRecurse
this.follow = !!opt.follow
this.noMtime = !!opt.noMtime
this.mtime = opt.mtime || null
this.filter = typeof opt.filter === 'function' ? opt.filter : _ => true
this[QUEUE] = new Yallist()
this[JOBS] = 0
this.jobs = +opt.jobs || 4
this[PROCESSING] = false
this[ENDED] = false
}
[WRITE] (chunk) {
return super.write(chunk)
}
add (path) {
this.write(path)
return this
}
end (path) {
if (path) {
this.write(path)
}
this[ENDED] = true
this[PROCESS]()
return this
}
write (path) {
if (this[ENDED]) {
throw new Error('write after end')
}
if (path instanceof ReadEntry) {
this[ADDTARENTRY](path)
} else {
this[ADDFSENTRY](path)
}
return this.flowing
}
[ADDTARENTRY] (p) {
const absolute = normPath(path.resolve(this.cwd, p.path))
// in this case, we don't have to wait for the stat
if (!this.filter(p.path, p)) {
p.resume()
} else {
const job = new PackJob(p.path, absolute, false)
job.entry = new WriteEntryTar(p, this[ENTRYOPT](job))
job.entry.on('end', _ => this[JOBDONE](job))
this[JOBS] += 1
this[QUEUE].push(job)
}
this[PROCESS]()
}
[ADDFSENTRY] (p) {
const absolute = normPath(path.resolve(this.cwd, p))
this[QUEUE].push(new PackJob(p, absolute))
this[PROCESS]()
}
[STAT] (job) {
job.pending = true
this[JOBS] += 1
const stat = this.follow ? 'stat' : 'lstat'
fs[stat](job.absolute, (er, stat) => {
job.pending = false
this[JOBS] -= 1
if (er) {
this.emit('error', er)
} else {
this[ONSTAT](job, stat)
}
})
}
[ONSTAT] (job, stat) {
this.statCache.set(job.absolute, stat)
job.stat = stat
// now we have the stat, we can filter it.
if (!this.filter(job.path, stat)) {
job.ignore = true
}
this[PROCESS]()
}
[READDIR] (job) {
job.pending = true
this[JOBS] += 1
fs.readdir(job.absolute, (er, entries) => {
job.pending = false
this[JOBS] -= 1
if (er) {
return this.emit('error', er)
}
this[ONREADDIR](job, entries)
})
}
[ONREADDIR] (job, entries) {
this.readdirCache.set(job.absolute, entries)
job.readdir = entries
this[PROCESS]()
}
[PROCESS] () {
if (this[PROCESSING]) {
return
}
this[PROCESSING] = true
for (let w = this[QUEUE].head;
w !== null && this[JOBS] < this.jobs;
w = w.next) {
this[PROCESSJOB](w.value)
if (w.value.ignore) {
const p = w.next
this[QUEUE].removeNode(w)
w.next = p
}
}
this[PROCESSING] = false
if (this[ENDED] && !this[QUEUE].length && this[JOBS] === 0) {
if (this.zip) {
this.zip.end(EOF)
} else {
super.write(EOF)
super.end()
}
}
}
get [CURRENT] () {
return this[QUEUE] && this[QUEUE].head && this[QUEUE].head.value
}
[JOBDONE] (job) {
this[QUEUE].shift()
this[JOBS] -= 1
this[PROCESS]()
}
[PROCESSJOB] (job) {
if (job.pending) {
return
}
if (job.entry) {
if (job === this[CURRENT] && !job.piped) {
this[PIPE](job)
}
return
}
if (!job.stat) {
if (this.statCache.has(job.absolute)) {
this[ONSTAT](job, this.statCache.get(job.absolute))
} else {
this[STAT](job)
}
}
if (!job.stat) {
return
}
// filtered out!
if (job.ignore) {
return
}
if (!this.noDirRecurse && job.stat.isDirectory() && !job.readdir) {
if (this.readdirCache.has(job.absolute)) {
this[ONREADDIR](job, this.readdirCache.get(job.absolute))
} else {
this[READDIR](job)
}
if (!job.readdir) {
return
}
}
// we know it doesn't have an entry, because that got checked above
job.entry = this[ENTRY](job)
if (!job.entry) {
job.ignore = true
return
}
if (job === this[CURRENT] && !job.piped) {
this[PIPE](job)
}
}
[ENTRYOPT] (job) {
return {
onwarn: (code, msg, data) => this.warn(code, msg, data),
noPax: this.noPax,
cwd: this.cwd,
absolute: job.absolute,
preservePaths: this.preservePaths,
maxReadSize: this.maxReadSize,
strict: this.strict,
portable: this.portable,
linkCache: this.linkCache,
statCache: this.statCache,
noMtime: this.noMtime,
mtime: this.mtime,
prefix: this.prefix,
}
}
[ENTRY] (job) {
this[JOBS] += 1
try {
return new this[WRITEENTRYCLASS](job.path, this[ENTRYOPT](job))
.on('end', () => this[JOBDONE](job))
.on('error', er => this.emit('error', er))
} catch (er) {
this.emit('error', er)
}
}
[ONDRAIN] () {
if (this[CURRENT] && this[CURRENT].entry) {
this[CURRENT].entry.resume()
}
}
// like .pipe() but using super, because our write() is special
[PIPE] (job) {
job.piped = true
if (job.readdir) {
job.readdir.forEach(entry => {
const p = job.path
const base = p === './' ? '' : p.replace(/\/*$/, '/')
this[ADDFSENTRY](base + entry)
})
}
const source = job.entry
const zip = this.zip
if (zip) {
source.on('data', chunk => {
if (!zip.write(chunk)) {
source.pause()
}
})
} else {
source.on('data', chunk => {
if (!super.write(chunk)) {
source.pause()
}
})
}
}
pause () {
if (this.zip) {
this.zip.pause()
}
return super.pause()
}
})
class PackSync extends Pack {
constructor (opt) {
super(opt)
this[WRITEENTRYCLASS] = WriteEntrySync
}
// pause/resume are no-ops in sync streams.
pause () {}
resume () {}
[STAT] (job) {
const stat = this.follow ? 'statSync' : 'lstatSync'
this[ONSTAT](job, fs[stat](job.absolute))
}
[READDIR] (job, stat) {
this[ONREADDIR](job, fs.readdirSync(job.absolute))
}
// gotta get it all in this tick
[PIPE] (job) {
const source = job.entry
const zip = this.zip
if (job.readdir) {
job.readdir.forEach(entry => {
const p = job.path
const base = p === './' ? '' : p.replace(/\/*$/, '/')
this[ADDFSENTRY](base + entry)
})
}
if (zip) {
source.on('data', chunk => {
zip.write(chunk)
})
} else {
source.on('data', chunk => {
super[WRITE](chunk)
})
}
}
}
Pack.Sync = PackSync
module.exports = Pack
PK �[�\� �[ [
lib/create.jsnu �[��� 'use strict'
// tar -c
const hlo = require('./high-level-opt.js')
const Pack = require('./pack.js')
const fsm = require('fs-minipass')
const t = require('./list.js')
const path = require('path')
module.exports = (opt_, files, cb) => {
if (typeof files === 'function') {
cb = files
}
if (Array.isArray(opt_)) {
files = opt_, opt_ = {}
}
if (!files || !Array.isArray(files) || !files.length) {
throw new TypeError('no files or directories specified')
}
files = Array.from(files)
const opt = hlo(opt_)
if (opt.sync && typeof cb === 'function') {
throw new TypeError('callback not supported for sync tar functions')
}
if (!opt.file && typeof cb === 'function') {
throw new TypeError('callback only supported with file option')
}
return opt.file && opt.sync ? createFileSync(opt, files)
: opt.file ? createFile(opt, files, cb)
: opt.sync ? createSync(opt, files)
: create(opt, files)
}
const createFileSync = (opt, files) => {
const p = new Pack.Sync(opt)
const stream = new fsm.WriteStreamSync(opt.file, {
mode: opt.mode || 0o666,
})
p.pipe(stream)
addFilesSync(p, files)
}
const createFile = (opt, files, cb) => {
const p = new Pack(opt)
const stream = new fsm.WriteStream(opt.file, {
mode: opt.mode || 0o666,
})
p.pipe(stream)
const promise = new Promise((res, rej) => {
stream.on('error', rej)
stream.on('close', res)
p.on('error', rej)
})
addFilesAsync(p, files)
return cb ? promise.then(cb, cb) : promise
}
const addFilesSync = (p, files) => {
files.forEach(file => {
if (file.charAt(0) === '@') {
t({
file: path.resolve(p.cwd, file.slice(1)),
sync: true,
noResume: true,
onentry: entry => p.add(entry),
})
} else {
p.add(file)
}
})
p.end()
}
const addFilesAsync = (p, files) => {
while (files.length) {
const file = files.shift()
if (file.charAt(0) === '@') {
return t({
file: path.resolve(p.cwd, file.slice(1)),
noResume: true,
onentry: entry => p.add(entry),
}).then(_ => addFilesAsync(p, files))
} else {
p.add(file)
}
}
p.end()
}
const createSync = (opt, files) => {
const p = new Pack.Sync(opt)
addFilesSync(p, files)
return p
}
const create = (opt, files) => {
const p = new Pack(opt)
addFilesAsync(p, files)
return p
}
PK �[�\�`�ĉ � lib/mode-fix.jsnu �[��� 'use strict'
module.exports = (mode, isDir, portable) => {
mode &= 0o7777
// in portable mode, use the minimum reasonable umask
// if this system creates files with 0o664 by default
// (as some linux distros do), then we'll write the
// archive with 0o644 instead. Also, don't ever create
// a file that is not readable/writable by the owner.
if (portable) {
mode = (mode | 0o600) & ~0o22
}
// if dirs are readable, then they should be listable
if (isDir) {
if (mode & 0o400) {
mode |= 0o100
}
if (mode & 0o40) {
mode |= 0o10
}
if (mode & 0o4) {
mode |= 0o1
}
}
return mode
}
PK �[�\�}Q�m m lib/mkdir.jsnu �[��� 'use strict'
// wrapper around mkdirp for tar's needs.
// TODO: This should probably be a class, not functionally
// passing around state in a gazillion args.
const mkdirp = require('mkdirp')
const fs = require('fs')
const path = require('path')
const chownr = require('chownr')
const normPath = require('./normalize-windows-path.js')
class SymlinkError extends Error {
constructor (symlink, path) {
super('Cannot extract through symbolic link')
this.path = path
this.symlink = symlink
}
get name () {
return 'SylinkError'
}
}
class CwdError extends Error {
constructor (path, code) {
super(code + ': Cannot cd into \'' + path + '\'')
this.path = path
this.code = code
}
get name () {
return 'CwdError'
}
}
const cGet = (cache, key) => cache.get(normPath(key))
const cSet = (cache, key, val) => cache.set(normPath(key), val)
const checkCwd = (dir, cb) => {
fs.stat(dir, (er, st) => {
if (er || !st.isDirectory()) {
er = new CwdError(dir, er && er.code || 'ENOTDIR')
}
cb(er)
})
}
module.exports = (dir, opt, cb) => {
dir = normPath(dir)
// if there's any overlap between mask and mode,
// then we'll need an explicit chmod
const umask = opt.umask
const mode = opt.mode | 0o0700
const needChmod = (mode & umask) !== 0
const uid = opt.uid
const gid = opt.gid
const doChown = typeof uid === 'number' &&
typeof gid === 'number' &&
(uid !== opt.processUid || gid !== opt.processGid)
const preserve = opt.preserve
const unlink = opt.unlink
const cache = opt.cache
const cwd = normPath(opt.cwd)
const done = (er, created) => {
if (er) {
cb(er)
} else {
cSet(cache, dir, true)
if (created && doChown) {
chownr(created, uid, gid, er => done(er))
} else if (needChmod) {
fs.chmod(dir, mode, cb)
} else {
cb()
}
}
}
if (cache && cGet(cache, dir) === true) {
return done()
}
if (dir === cwd) {
return checkCwd(dir, done)
}
if (preserve) {
return mkdirp(dir, { mode }).then(made => done(null, made), done)
}
const sub = normPath(path.relative(cwd, dir))
const parts = sub.split('/')
mkdir_(cwd, parts, mode, cache, unlink, cwd, null, done)
}
const mkdir_ = (base, parts, mode, cache, unlink, cwd, created, cb) => {
if (!parts.length) {
return cb(null, created)
}
const p = parts.shift()
const part = normPath(path.resolve(base + '/' + p))
if (cGet(cache, part)) {
return mkdir_(part, parts, mode, cache, unlink, cwd, created, cb)
}
fs.mkdir(part, mode, onmkdir(part, parts, mode, cache, unlink, cwd, created, cb))
}
const onmkdir = (part, parts, mode, cache, unlink, cwd, created, cb) => er => {
if (er) {
fs.lstat(part, (statEr, st) => {
if (statEr) {
statEr.path = statEr.path && normPath(statEr.path)
cb(statEr)
} else if (st.isDirectory()) {
mkdir_(part, parts, mode, cache, unlink, cwd, created, cb)
} else if (unlink) {
fs.unlink(part, er => {
if (er) {
return cb(er)
}
fs.mkdir(part, mode, onmkdir(part, parts, mode, cache, unlink, cwd, created, cb))
})
} else if (st.isSymbolicLink()) {
return cb(new SymlinkError(part, part + '/' + parts.join('/')))
} else {
cb(er)
}
})
} else {
created = created || part
mkdir_(part, parts, mode, cache, unlink, cwd, created, cb)
}
}
const checkCwdSync = dir => {
let ok = false
let code = 'ENOTDIR'
try {
ok = fs.statSync(dir).isDirectory()
} catch (er) {
code = er.code
} finally {
if (!ok) {
throw new CwdError(dir, code)
}
}
}
module.exports.sync = (dir, opt) => {
dir = normPath(dir)
// if there's any overlap between mask and mode,
// then we'll need an explicit chmod
const umask = opt.umask
const mode = opt.mode | 0o0700
const needChmod = (mode & umask) !== 0
const uid = opt.uid
const gid = opt.gid
const doChown = typeof uid === 'number' &&
typeof gid === 'number' &&
(uid !== opt.processUid || gid !== opt.processGid)
const preserve = opt.preserve
const unlink = opt.unlink
const cache = opt.cache
const cwd = normPath(opt.cwd)
const done = (created) => {
cSet(cache, dir, true)
if (created && doChown) {
chownr.sync(created, uid, gid)
}
if (needChmod) {
fs.chmodSync(dir, mode)
}
}
if (cache && cGet(cache, dir) === true) {
return done()
}
if (dir === cwd) {
checkCwdSync(cwd)
return done()
}
if (preserve) {
return done(mkdirp.sync(dir, mode))
}
const sub = normPath(path.relative(cwd, dir))
const parts = sub.split('/')
let created = null
for (let p = parts.shift(), part = cwd;
p && (part += '/' + p);
p = parts.shift()) {
part = normPath(path.resolve(part))
if (cGet(cache, part)) {
continue
}
try {
fs.mkdirSync(part, mode)
created = created || part
cSet(cache, part, true)
} catch (er) {
const st = fs.lstatSync(part)
if (st.isDirectory()) {
cSet(cache, part, true)
continue
} else if (unlink) {
fs.unlinkSync(part)
fs.mkdirSync(part, mode)
created = created || part
cSet(cache, part, true)
continue
} else if (st.isSymbolicLink()) {
return new SymlinkError(part, part + '/' + parts.join('/'))
}
}
}
return done(created)
}
PK �[�\�aGW� � LICENSEnu �[��� The ISC License
Copyright (c) Isaac Z. Schlueter and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
PK �[�\E�� � index.jsnu �[��� 'use strict'
// high-level commands
exports.c = exports.create = require('./lib/create.js')
exports.r = exports.replace = require('./lib/replace.js')
exports.t = exports.list = require('./lib/list.js')
exports.u = exports.update = require('./lib/update.js')
exports.x = exports.extract = require('./lib/extract.js')
// classes
exports.Pack = require('./lib/pack.js')
exports.Unpack = require('./lib/unpack.js')
exports.Parse = require('./lib/parse.js')
exports.ReadEntry = require('./lib/read-entry.js')
exports.WriteEntry = require('./lib/write-entry.js')
exports.Header = require('./lib/header.js')
exports.Pax = require('./lib/pax.js')
exports.types = require('./lib/types.js')
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