signal-desktop/ts/updater/got.ts

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// Copyright 2019 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
import type { StrictOptions as GotOptions } from 'got';
import config from 'config';
import ProxyAgent from 'proxy-agent';
import * as packageJson from '../../package.json';
import { getUserAgent } from '../util/getUserAgent';
import * as durations from '../util/durations';
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export const GOT_CONNECT_TIMEOUT = durations.MINUTE;
export const GOT_LOOKUP_TIMEOUT = durations.MINUTE;
export const GOT_SOCKET_TIMEOUT = durations.MINUTE;
const GOT_RETRY_LIMIT = 3;
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export function getProxyUrl(): string | undefined {
return process.env.HTTPS_PROXY || process.env.https_proxy;
}
export function getCertificateAuthority(): string {
return config.get('certificateAuthority');
}
export function getGotOptions(): GotOptions {
const certificateAuthority = getCertificateAuthority();
const proxyUrl = getProxyUrl();
const agent = proxyUrl
? {
http: new ProxyAgent(proxyUrl),
https: new ProxyAgent(proxyUrl),
}
: undefined;
return {
agent,
https: {
certificateAuthority,
},
headers: {
'Cache-Control': 'no-cache',
'User-Agent': getUserAgent(packageJson.version),
},
timeout: {
connect: GOT_CONNECT_TIMEOUT,
lookup: GOT_LOOKUP_TIMEOUT,
// This timeout is reset whenever we get new data on the socket
socket: GOT_SOCKET_TIMEOUT,
},
retry: {
limit: GOT_RETRY_LIMIT,
errorCodes: [
'ETIMEDOUT',
'ECONNRESET',
'ECONNREFUSED',
'EPIPE',
'ENOTFOUND',
'ENETUNREACH',
'EAI_AGAIN',
],
methods: ['GET', 'HEAD'],
statusCodes: [413, 429, 503],
},
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};
}