mirror of
https://github.com/Microsoft/vscode
synced 2024-08-28 13:29:44 +00:00
138 lines
5.6 KiB
JavaScript
138 lines
5.6 KiB
JavaScript
"use strict";
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.fetchUrls = fetchUrls;
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exports.fetchUrl = fetchUrl;
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exports.fetchGithub = fetchGithub;
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const es = require("event-stream");
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const VinylFile = require("vinyl");
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const log = require("fancy-log");
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const ansiColors = require("ansi-colors");
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const crypto = require("crypto");
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const through2 = require("through2");
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function fetchUrls(urls, options) {
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if (options === undefined) {
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options = {};
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}
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if (typeof options.base !== 'string' && options.base !== null) {
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options.base = '/';
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}
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if (!Array.isArray(urls)) {
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urls = [urls];
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}
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return es.readArray(urls).pipe(es.map((data, cb) => {
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const url = [options.base, data].join('');
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fetchUrl(url, options).then(file => {
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cb(undefined, file);
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}, error => {
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cb(error);
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});
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}));
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}
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async function fetchUrl(url, options, retries = 10, retryDelay = 1000) {
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const verbose = !!options.verbose ?? (!!process.env['CI'] || !!process.env['BUILD_ARTIFACTSTAGINGDIRECTORY']);
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try {
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let startTime = 0;
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if (verbose) {
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log(`Start fetching ${ansiColors.magenta(url)}${retries !== 10 ? ` (${10 - retries} retry)` : ''}`);
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startTime = new Date().getTime();
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}
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 30 * 1000);
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try {
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const response = await fetch(url, {
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...options.nodeFetchOptions,
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signal: controller.signal /* Typings issue with lib.dom.d.ts */
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});
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if (verbose) {
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log(`Fetch completed: Status ${response.status}. Took ${ansiColors.magenta(`${new Date().getTime() - startTime} ms`)}`);
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}
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if (response.ok && (response.status >= 200 && response.status < 300)) {
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const contents = Buffer.from(await response.arrayBuffer());
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if (options.checksumSha256) {
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const actualSHA256Checksum = crypto.createHash('sha256').update(contents).digest('hex');
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if (actualSHA256Checksum !== options.checksumSha256) {
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throw new Error(`Checksum mismatch for ${ansiColors.cyan(url)} (expected ${options.checksumSha256}, actual ${actualSHA256Checksum}))`);
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}
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else if (verbose) {
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log(`Verified SHA256 checksums match for ${ansiColors.cyan(url)}`);
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}
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}
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else if (verbose) {
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log(`Skipping checksum verification for ${ansiColors.cyan(url)} because no expected checksum was provided`);
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}
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if (verbose) {
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log(`Fetched response body buffer: ${ansiColors.magenta(`${contents.byteLength} bytes`)}`);
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}
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return new VinylFile({
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cwd: '/',
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base: options.base,
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path: url,
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contents
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});
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}
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let err = `Request ${ansiColors.magenta(url)} failed with status code: ${response.status}`;
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if (response.status === 403) {
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err += ' (you may be rate limited)';
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}
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throw new Error(err);
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}
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finally {
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clearTimeout(timeout);
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}
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}
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catch (e) {
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if (verbose) {
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log(`Fetching ${ansiColors.cyan(url)} failed: ${e}`);
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}
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if (retries > 0) {
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await new Promise(resolve => setTimeout(resolve, retryDelay));
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return fetchUrl(url, options, retries - 1, retryDelay);
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}
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throw e;
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}
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}
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const ghApiHeaders = {
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Accept: 'application/vnd.github.v3+json',
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'User-Agent': 'VSCode Build',
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};
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if (process.env.GITHUB_TOKEN) {
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ghApiHeaders.Authorization = 'Basic ' + Buffer.from(process.env.GITHUB_TOKEN).toString('base64');
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}
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const ghDownloadHeaders = {
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...ghApiHeaders,
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Accept: 'application/octet-stream',
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};
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/**
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* @param repo for example `Microsoft/vscode`
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* @param version for example `16.17.1` - must be a valid releases tag
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* @param assetName for example (name) => name === `win-x64-node.exe` - must be an asset that exists
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* @returns a stream with the asset as file
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*/
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function fetchGithub(repo, options) {
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return fetchUrls(`/repos/${repo.replace(/^\/|\/$/g, '')}/releases/tags/v${options.version}`, {
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base: 'https://api.github.com',
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verbose: options.verbose,
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nodeFetchOptions: { headers: ghApiHeaders }
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}).pipe(through2.obj(async function (file, _enc, callback) {
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const assetFilter = typeof options.name === 'string' ? (name) => name === options.name : options.name;
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const asset = JSON.parse(file.contents.toString()).assets.find((a) => assetFilter(a.name));
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if (!asset) {
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return callback(new Error(`Could not find asset in release of ${repo} @ ${options.version}`));
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}
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try {
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callback(null, await fetchUrl(asset.url, {
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nodeFetchOptions: { headers: ghDownloadHeaders },
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verbose: options.verbose,
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checksumSha256: options.checksumSha256
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}));
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}
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catch (error) {
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callback(error);
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}
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}));
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}
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//# sourceMappingURL=fetch.js.map
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