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http: refactor to avoid unsafe array iteration #37654

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Mar 13, 2021
Merged

http: refactor to avoid unsafe array iteration #37654

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13 changes: 8 additions & 5 deletions lib/_http_agent.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ const {
ArrayPrototypePop,
ArrayPrototypePush,
ArrayPrototypeShift,
ArrayPrototypeSome,
ArrayPrototypeSplice,
FunctionPrototypeCall,
NumberIsNaN,
Expand Down Expand Up @@ -392,10 +393,10 @@ function installListeners(agent, s, options) {
// Destroy if in free list.
// TODO(ronag): Always destroy, even if not in free list.
const sockets = agent.freeSockets;
for (const name of ObjectKeys(sockets)) {
if (ArrayPrototypeIncludes(sockets[name], s)) {
return s.destroy();
}
if (ArrayPrototypeSome(ObjectKeys(sockets), (name) =>
ArrayPrototypeIncludes(sockets[name], s)
)) {
return s.destroy();
}
}
s.on('timeout', onTimeout);
Expand Down Expand Up @@ -451,7 +452,9 @@ Agent.prototype.removeSocket = function removeSocket(s, options) {
// There might be older requests in a different origin, but
// if the origin which releases the socket has pending requests
// that will be prioritized.
for (const prop of ObjectKeys(this.requests)) {
const keys = ObjectKeys(this.requests);
for (let i = 0; i < keys.length; i++) {
const prop = keys[i];
// Check whether this specific origin is already at maxSockets
if (this.sockets[prop] && this.sockets[prop].length) break;
debug('removeSocket, have a request with different origin,' +
Expand Down