Constnium/node_modules/safer-buffer/dangerous.js
2022-06-22 19:20:40 +02:00

58 lines
1.4 KiB
JavaScript

/* eslint-disable node/no-deprecated-api */
'use strict'
var buffer = require('buffer')
var Buffer = buffer.Buffer
var safer = require('./safer.js')
var Safer = safer.Buffer
var dangerous = {}
var key
for (key in safer) {
if (!safer.hasOwnProperty(key)) continue
dangerous[key] = safer[key]
}
var Dangereous = dangerous.Buffer = {}
// Copy Safer API
for (key in Safer) {
if (!Safer.hasOwnProperty(key)) continue
Dangereous[key] = Safer[key]
}
// Copy those missing unsafe methods, if they are present
for (key in Buffer) {
if (!Buffer.hasOwnProperty(key)) continue
if (Dangereous.hasOwnProperty(key)) continue
Dangereous[key] = Buffer[key]
}
if (!Dangereous.allocUnsafe) {
Dangereous.allocUnsafe = function (size) {
if (typeof size !== 'number') {
throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
}
if (size < 0 || size >= 2 * (1 << 30)) {
throw new RangeError('The value "' + size + '" is invalid for option "size"')
}
return Buffer(size)
}
}
if (!Dangereous.allocUnsafeSlow) {
Dangereous.allocUnsafeSlow = function (size) {
if (typeof size !== 'number') {
throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
}
if (size < 0 || size >= 2 * (1 << 30)) {
throw new RangeError('The value "' + size + '" is invalid for option "size"')
}
return buffer.SlowBuffer(size)
}
}
module.exports = dangerous