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https://github.com/xfarrow/blink
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Change endpoint from persons to people
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107
backend/apis/nodejs/node_modules/tar/lib/read-entry.js
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107
backend/apis/nodejs/node_modules/tar/lib/read-entry.js
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@ -0,0 +1,107 @@
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'use strict'
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const { Minipass } = require('minipass')
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const normPath = require('./normalize-windows-path.js')
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const SLURP = Symbol('slurp')
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module.exports = class ReadEntry extends Minipass {
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constructor (header, ex, gex) {
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super()
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// read entries always start life paused. this is to avoid the
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// situation where Minipass's auto-ending empty streams results
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// in an entry ending before we're ready for it.
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this.pause()
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this.extended = ex
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this.globalExtended = gex
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this.header = header
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this.startBlockSize = 512 * Math.ceil(header.size / 512)
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this.blockRemain = this.startBlockSize
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this.remain = header.size
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this.type = header.type
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this.meta = false
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this.ignore = false
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switch (this.type) {
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case 'File':
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case 'OldFile':
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case 'Link':
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case 'SymbolicLink':
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case 'CharacterDevice':
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case 'BlockDevice':
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case 'Directory':
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case 'FIFO':
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case 'ContiguousFile':
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case 'GNUDumpDir':
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break
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case 'NextFileHasLongLinkpath':
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case 'NextFileHasLongPath':
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case 'OldGnuLongPath':
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case 'GlobalExtendedHeader':
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case 'ExtendedHeader':
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case 'OldExtendedHeader':
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this.meta = true
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break
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// NOTE: gnutar and bsdtar treat unrecognized types as 'File'
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// it may be worth doing the same, but with a warning.
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default:
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this.ignore = true
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}
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this.path = normPath(header.path)
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this.mode = header.mode
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if (this.mode) {
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this.mode = this.mode & 0o7777
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}
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this.uid = header.uid
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this.gid = header.gid
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this.uname = header.uname
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this.gname = header.gname
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this.size = header.size
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this.mtime = header.mtime
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this.atime = header.atime
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this.ctime = header.ctime
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this.linkpath = normPath(header.linkpath)
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this.uname = header.uname
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this.gname = header.gname
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if (ex) {
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this[SLURP](ex)
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}
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if (gex) {
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this[SLURP](gex, true)
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}
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}
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write (data) {
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const writeLen = data.length
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if (writeLen > this.blockRemain) {
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throw new Error('writing more to entry than is appropriate')
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}
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const r = this.remain
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const br = this.blockRemain
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this.remain = Math.max(0, r - writeLen)
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this.blockRemain = Math.max(0, br - writeLen)
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if (this.ignore) {
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return true
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}
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if (r >= writeLen) {
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return super.write(data)
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}
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// r < writeLen
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return super.write(data.slice(0, r))
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}
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[SLURP] (ex, global) {
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for (const k in ex) {
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// we slurp in everything except for the path attribute in
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// a global extended header, because that's weird.
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if (ex[k] !== null && ex[k] !== undefined &&
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!(global && k === 'path')) {
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this[k] = k === 'path' || k === 'linkpath' ? normPath(ex[k]) : ex[k]
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}
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}
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}
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}
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