import {shell} from "electron"; import fs from "fs"; import os from "os"; import path from "path"; import {html} from "../../../common/html.js"; export function isUploadsUrl(server: string, url: URL): boolean { return url.origin === server && url.pathname.startsWith("/user_uploads/"); } export async function openBrowser(url: URL): Promise { if (["http:", "https:", "mailto:"].includes(url.protocol)) { await shell.openExternal(url.href); } else { // For security, indirect links to non-whitelisted protocols // through a real web browser via a local HTML file. const dir = fs.mkdtempSync(path.join(os.tmpdir(), "zulip-redirect-")); const file = path.join(dir, "redirect.html"); fs.writeFileSync( file, html` Redirecting

Opening ${url.href}…

`.html, ); await shell.openPath(file); setTimeout(() => { fs.unlinkSync(file); fs.rmdirSync(dir); }, 15_000); } }