node_modules: update (#146)

Co-authored-by: dawidd6 <9713907+dawidd6@users.noreply.github.com>
This commit is contained in:
Dawid Dziurla
2026-08-07 08:08:41 +02:00
committed by GitHub
co-authored by dawidd6
parent 6b3dfab4e0
commit 3d5a3a75cc
44 changed files with 660 additions and 284 deletions
+13 -36
View File
@@ -8,45 +8,35 @@ const tail = Buffer.from([0x00, 0x00, 0xff, 0xff])
const kBuffer = Symbol('kBuffer')
const kLength = Symbol('kLength')
// Default maximum decompressed message size: 4 MB
const kDefaultMaxDecompressedSize = 4 * 1024 * 1024
class PerMessageDeflate {
/** @type {import('node:zlib').InflateRaw} */
#inflate
#options = {}
/** @type {number} */
#maxDecompressedSize
/** @type {boolean} */
#aborted = false
/** @type {Function|null} */
#currentCallback = null
#maxPayloadSize = 0
/**
* @param {Map<string, string>} extensions
* @param {{ maxDecompressedMessageSize?: number }} [options]
*/
constructor (extensions, options = {}) {
constructor (extensions, options) {
this.#options.serverNoContextTakeover = extensions.has('server_no_context_takeover')
this.#options.serverMaxWindowBits = extensions.get('server_max_window_bits')
this.#maxDecompressedSize = options.maxDecompressedMessageSize ?? kDefaultMaxDecompressedSize
this.#maxPayloadSize = options.maxPayloadSize
}
/**
* Decompress a compressed payload.
* @param {Buffer} chunk Compressed data
* @param {boolean} fin Final fragment flag
* @param {Function} callback Callback function
*/
decompress (chunk, fin, callback) {
// An endpoint uses the following algorithm to decompress a message.
// 1. Append 4 octets of 0x00 0x00 0xff 0xff to the tail end of the
// payload of the message.
// 2. Decompress the resulting data using DEFLATE.
if (this.#aborted) {
callback(new MessageSizeExceededError())
return
}
if (!this.#inflate) {
let windowBits = Z_DEFAULT_WINDOWBITS
@@ -69,23 +59,12 @@ class PerMessageDeflate {
this.#inflate[kLength] = 0
this.#inflate.on('data', (data) => {
if (this.#aborted) {
return
}
this.#inflate[kLength] += data.length
if (this.#inflate[kLength] > this.#maxDecompressedSize) {
this.#aborted = true
if (this.#maxPayloadSize > 0 && this.#inflate[kLength] > this.#maxPayloadSize) {
callback(new MessageSizeExceededError())
this.#inflate.removeAllListeners()
this.#inflate.destroy()
this.#inflate = null
if (this.#currentCallback) {
const cb = this.#currentCallback
this.#currentCallback = null
cb(new MessageSizeExceededError())
}
return
}
@@ -98,14 +77,13 @@ class PerMessageDeflate {
})
}
this.#currentCallback = callback
this.#inflate.write(chunk)
if (fin) {
this.#inflate.write(tail)
}
this.#inflate.flush(() => {
if (this.#aborted || !this.#inflate) {
if (!this.#inflate) {
return
}
@@ -113,7 +91,6 @@ class PerMessageDeflate {
this.#inflate[kBuffer].length = 0
this.#inflate[kLength] = 0
this.#currentCallback = null
callback(null, full)
})