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[menu-bar][electron] Implement local server (#178)
* [menu-bar][electron] Implement local server * Fix CORS * Fix typescript checks * Add changelog entry
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import { app as electronApp } from 'electron'; | ||
| import express, { Express } from 'express'; | ||
|
|
||
| const PORTS = [35783, 47909, 44171, 50799]; | ||
| const WHITELISTED_DOMAINS = ['expo.dev', 'expo.test', 'exp.host']; | ||
|
|
||
| export class LocalServer { | ||
| app: Express; | ||
|
|
||
| constructor() { | ||
| this.app = express(); | ||
| this.setupMiddlewares(); | ||
| this.setupRoutes(); | ||
| } | ||
|
|
||
| setupMiddlewares() { | ||
| this.app.use((req, res, next) => { | ||
| const origin = req.get('origin'); | ||
| const referer = req.get('referer'); | ||
| if (!origin || !referer || !WHITELISTED_DOMAINS.includes(this.extractRootDomain(origin))) { | ||
| res.sendStatus(403); | ||
| return; | ||
| } | ||
|
|
||
| res.set('Access-Control-Allow-Origin', origin); | ||
| next(); | ||
| }); | ||
| } | ||
|
|
||
| setupRoutes() { | ||
| this.app.get('/orbit/status', (_, res) => { | ||
| res.json({ ok: true, version: electronApp.getVersion() }); | ||
| }); | ||
|
|
||
| this.app.get('/orbit/open', (req, res) => { | ||
| const urlParam = req.query.url as string | undefined; | ||
| if (!urlParam || !WHITELISTED_DOMAINS.includes(this.extractRootDomain(urlParam))) { | ||
| res.sendStatus(400); | ||
| return; | ||
| } | ||
|
|
||
| const deeplinkURL = urlParam | ||
| .replace('https://', 'expo-orbit://') | ||
| .replace('exp://', 'expo-orbit://'); | ||
|
|
||
| electronApp.emit('open-url', null, deeplinkURL); | ||
| res.json({ ok: true }); | ||
| }); | ||
| } | ||
|
|
||
| start(port: number = PORTS[0]) { | ||
| this.app | ||
| .listen(port, () => { | ||
| console.log(`Local server running on port ${port}`); | ||
| }) | ||
| .on('error', (err) => { | ||
| console.error(`Failed to start server on port ${port}: ${err.message}`); | ||
| const nextPort = PORTS[PORTS.indexOf(port) + 1]; | ||
| if (nextPort) { | ||
| this.start(nextPort); | ||
| } else { | ||
| console.error(`Server start error: ${err.message}`); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| extractRootDomain(urlString: string) { | ||
| try { | ||
| const originUrl = new URL(decodeURIComponent(urlString)); | ||
| let hostName = originUrl.hostname; | ||
|
|
||
| if (!hostName) { | ||
| // Orbit deeplink may include specific routes in the URL e.g. /update, /snack, /download, etc. | ||
| const urlStringFromParams = originUrl.searchParams.get('url'); | ||
| const urlFromParams = new URL(decodeURIComponent(urlStringFromParams)); | ||
| hostName = urlFromParams.hostname; | ||
| } | ||
|
|
||
| if (!hostName.includes('.')) { | ||
| hostName = originUrl.pathname.split('/').filter(Boolean)[1]; | ||
| } | ||
| const components = hostName.split('.'); | ||
| return components.slice(-2).join('.'); | ||
| } catch (error) { | ||
| console.error('Error extracting root domain:', error); | ||
| return ''; | ||
| } | ||
| } | ||
| } |
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