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Code Issues Releases Activity

zlib: remove prototype primordials usage

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# Conflicts:
#	lib/zlib.js

PR-URL: https://github.com/nodejs/node/pull/54695
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruy Adorno <ruy@vlt.sh>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Matthew Aitken <maitken033380023@gmail.com>
This commit is contained in:
Yagiz Nizipli 2024-09-18 23:16:20 -04:00 committed by GitHub
parent 59c7c55aad
commit c42d8461b0
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3 changed files with 25 additions and 27 deletions
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1
doc/contributing/primordials.md
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@ -10,6 +10,7 @@ important than reliability against prototype pollution:
* `node:http` * `node:http`
* `node:http2` * `node:http2`
* `node:tls` * `node:tls`
* `node:zlib`
Usage of primordials should be preferred for new code in other areas, but Usage of primordials should be preferred for new code in other areas, but
replacing current code with primordials should be replacing current code with primordials should be

1
lib/eslint.config_partial.mjs
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@ -498,6 +498,7 @@ export default [
'lib/internal/http.js', 'lib/internal/http.js',
'lib/internal/http2/*.js', 'lib/internal/http2/*.js',
'lib/tls.js', 'lib/tls.js',
'lib/zlib.js',
], ],
rules: { rules: {
'no-restricted-syntax': [ 'no-restricted-syntax': [

50
lib/zlib.js
View File

@ -23,21 +23,16 @@
const { const {
ArrayBuffer, ArrayBuffer,
ArrayPrototypeForEach, MathMax,
ArrayPrototypeMap,
ArrayPrototypePush,
FunctionPrototypeBind,
MathMaxApply,
NumberIsNaN, NumberIsNaN,
ObjectDefineProperties, ObjectDefineProperties,
ObjectDefineProperty, ObjectDefineProperty,
ObjectEntries,
ObjectFreeze, ObjectFreeze,
ObjectKeys, ObjectKeys,
ObjectSetPrototypeOf, ObjectSetPrototypeOf,
ReflectApply, ReflectApply,
StringPrototypeStartsWith,
Symbol, Symbol,
TypedArrayPrototypeFill,
Uint32Array, Uint32Array,
} = primordials; } = primordials;
@ -130,10 +125,11 @@ function zlibBuffer(engine, buffer, callback) {
} }
function zlibBufferOnData(chunk) { function zlibBufferOnData(chunk) {
if (!this.buffers) if (!this.buffers) {
this.buffers = [chunk]; this.buffers = [chunk];
else } else {
ArrayPrototypePush(this.buffers, chunk); this.buffers.push(chunk);
}
this.nread += chunk.length; this.nread += chunk.length;
if (this.nread > this._maxOutputLength) { if (this.nread > this._maxOutputLength) {
this.close(); this.close();
@ -442,7 +438,7 @@ function processChunkSync(self, chunk, flushFlag) {
if (have > 0) { if (have > 0) {
const out = buffer.slice(offset, offset + have); const out = buffer.slice(offset, offset + have);
offset += have; offset += have;
ArrayPrototypePush(buffers, out); buffers.push(out);
nread += out.byteLength; nread += out.byteLength;
if (nread > self._maxOutputLength) { if (nread > self._maxOutputLength) {
@ -700,9 +696,10 @@ Zlib.prototype.params = function params(level, strategy, callback) {
checkRangesOrGetDefault(strategy, 'strategy', Z_DEFAULT_STRATEGY, Z_FIXED); checkRangesOrGetDefault(strategy, 'strategy', Z_DEFAULT_STRATEGY, Z_FIXED);
if (this._level !== level || this._strategy !== strategy) { if (this._level !== level || this._strategy !== strategy) {
this.flush(Z_SYNC_FLUSH, this.flush(
FunctionPrototypeBind(paramsAfterFlushCallback, this, Z_SYNC_FLUSH,
level, strategy, callback)); paramsAfterFlushCallback.bind(this, level, strategy, callback),
);
} else { } else {
process.nextTick(callback); process.nextTick(callback);
} }
@ -782,13 +779,10 @@ function createConvenienceMethod(ctor, sync) {
}; };
} }
const kMaxBrotliParam = MathMaxApply(ArrayPrototypeMap( const kMaxBrotliParam = MathMax(
ObjectKeys(constants), ...ObjectEntries(constants)
(key) => (StringPrototypeStartsWith(key, 'BROTLI_PARAM_') ? .map(({ 0: key, 1: value }) => (key.startsWith('BROTLI_PARAM_') ? value : 0)),
constants[key] : );
0),
));
const brotliInitParamsArray = new Uint32Array(kMaxBrotliParam + 1); const brotliInitParamsArray = new Uint32Array(kMaxBrotliParam + 1);
const brotliDefaultOpts = { const brotliDefaultOpts = {
@ -799,9 +793,9 @@ const brotliDefaultOpts = {
function Brotli(opts, mode) { function Brotli(opts, mode) {
assert(mode === BROTLI_DECODE || mode === BROTLI_ENCODE); assert(mode === BROTLI_DECODE || mode === BROTLI_ENCODE);
TypedArrayPrototypeFill(brotliInitParamsArray, -1); brotliInitParamsArray.fill(-1);
if (opts?.params) { if (opts?.params) {
ArrayPrototypeForEach(ObjectKeys(opts.params), (origKey) => { ObjectKeys(opts.params).forEach((origKey) => {
const key = +origKey; const key = +origKey;
if (NumberIsNaN(key) || key < 0 || key > kMaxBrotliParam || if (NumberIsNaN(key) || key < 0 || key > kMaxBrotliParam ||
(brotliInitParamsArray[key] | 0) !== -1) { (brotliInitParamsArray[key] | 0) !== -1) {
@ -939,10 +933,12 @@ ObjectDefineProperties(module.exports, {
// These should be considered deprecated // These should be considered deprecated
// expose all the zlib constants // expose all the zlib constants
for (const bkey of ObjectKeys(constants)) { for (const { 0: key, 1: value } of ObjectEntries(constants)) {
if (StringPrototypeStartsWith(bkey, 'BROTLI')) continue; if (key.startsWith('BROTLI')) continue;
ObjectDefineProperty(module.exports, bkey, { ObjectDefineProperty(module.exports, key, {
__proto__: null, __proto__: null,
enumerable: false, value: constants[bkey], writable: false, enumerable: false,
value,
writable: false,
}); });
} }