mirror of
https://github.com/Llewellynvdm/nativefier.git
synced 2024-06-01 04:10:49 +00:00
95 lines
2.8 KiB
TypeScript
95 lines
2.8 KiB
TypeScript
import axios from 'axios';
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import * as log from 'loglevel';
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import { DEFAULT_CHROME_VERSION } from '../constants';
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const ELECTRON_VERSIONS_URL = 'https://atom.io/download/atom-shell/index.json';
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type ElectronRelease = {
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version: string;
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date: string;
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node: string;
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v8: string;
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uv: string;
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zlib: string;
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openssl: string;
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modules: string;
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chrome: string;
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files: string[];
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};
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async function getChromeVersionForElectronVersion(
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electronVersion: string,
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url = ELECTRON_VERSIONS_URL,
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): Promise<string> {
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log.debug('Grabbing electron<->chrome versions file from', url);
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const response = await axios.get(url, { timeout: 5000 });
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if (response.status !== 200) {
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throw new Error(`Bad request: Status code ${response.status}`);
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}
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const electronReleases: ElectronRelease[] = response.data;
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const electronVersionToChromeVersion: { [key: string]: string } = {};
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for (const release of electronReleases) {
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electronVersionToChromeVersion[release.version] = release.chrome;
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}
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if (!(electronVersion in electronVersionToChromeVersion)) {
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throw new Error(
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`Electron version '${electronVersion}' not found in retrieved version list!`,
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);
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}
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const chromeVersion = electronVersionToChromeVersion[electronVersion];
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log.debug(
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`Associated electron v${electronVersion} to chrome v${chromeVersion}`,
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);
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return chromeVersion;
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}
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export function getUserAgentString(
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chromeVersion: string,
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platform: string,
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): string {
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let userAgent: string;
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switch (platform) {
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case 'darwin':
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case 'mas':
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userAgent = `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${chromeVersion} Safari/537.36`;
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break;
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case 'win32':
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userAgent = `Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${chromeVersion} Safari/537.36`;
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break;
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case 'linux':
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userAgent = `Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${chromeVersion} Safari/537.36`;
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break;
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default:
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throw new Error(
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'Error invalid platform specified to getUserAgentString()',
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);
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}
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log.debug(
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`Given chrome ${chromeVersion} on ${platform},`,
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`using user agent: ${userAgent}`,
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);
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return userAgent;
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}
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export async function inferUserAgent(
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electronVersion: string,
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platform: string,
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url = ELECTRON_VERSIONS_URL,
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): Promise<string> {
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log.debug(
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`Inferring user agent for electron ${electronVersion} / ${platform}`,
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);
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try {
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const chromeVersion = await getChromeVersionForElectronVersion(
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electronVersion,
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url,
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);
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return getUserAgentString(chromeVersion, platform);
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} catch (e) {
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log.warn(
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`Unable to infer chrome version for user agent, using ${DEFAULT_CHROME_VERSION}`,
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);
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return getUserAgentString(DEFAULT_CHROME_VERSION, platform);
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}
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}
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