Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

apps/desktop/electron/link-title-window.ts

@@ -0,0 +1,75 @@
+// Hidden BrowserWindow used by tier-2 link-title resolution: when curl can't
+// read a page <title> (bot walls, JS-rendered pages), we briefly load the URL
+// in an offscreen window and read its title. That window loads arbitrary
+// user-linked pages, so it must never emit sound or trigger real downloads.
+
+export function linkTitleWindowOptions(partitionSession) {
+  return {
+    show: false,
+    width: 1280,
+    height: 800,
+    webPreferences: {
+      // Deliberately throttled: this hidden window loads arbitrary user-linked
+      // pages, and an unthrottled heavy page burns full CPU for the window's
+      // whole lifetime. Title resolution rides load events
+      // (page-title-updated / did-finish-load) plus main-process timers, none
+      // of which the renderer clamp touches — hidden-page throttling only
+      // slows the page's own timer-driven JS, and the grace window already
+      // absorbs that.
+      contextIsolation: true,
+      javascript: true,
+      nodeIntegration: false,
+      sandbox: true,
+      session: partitionSession,
+      webSecurity: true
+    }
+  }
+}
+
+// Create the offscreen title-fetch window and immediately mute it. Without the
+// mute, autoplaying media on the loaded page (e.g. a YouTube link) leaks ~2s of
+// audio every time a session containing such links is re-rendered. See #49505.
+export function createLinkTitleWindow(BrowserWindow, partitionSession) {
+  const window = new BrowserWindow(linkTitleWindowOptions(partitionSession))
+
+  try {
+    window.webContents.setAudioMuted(true)
+  } catch {
+    // webContents may be unavailable in degraded/headless environments; muting
+    // is best-effort and the window is destroyed within a few seconds anyway.
+  }
+
+  return window
+}
+
+// Cancel any download the title-fetch window triggers. Without this, a link
+// artifact URL served with Content-Disposition: attachment auto-downloads every
+// time the Artifacts page renders and fetchLinkTitle loads it.
+export function guardLinkTitleSession(partitionSession) {
+  try {
+    partitionSession.on('will-download', (_event, item) => item.cancel())
+  } catch {
+    // best-effort; worst case is a spurious download
+  }
+}
+
+// Read the page title from a title-fetch window. Callers schedule this from
+// timers that can fire after finish() destroys the window, so every access must
+// guard isDestroyed and swallow Electron's "Object has been destroyed" throws.
+export function readLinkTitleWindowTitle(window) {
+  try {
+    if (!window || window.isDestroyed()) {
+      return ''
+    }
+
+    const contents = window.webContents
+
+    if (!contents || contents.isDestroyed()) {
+      return ''
+    }
+
+    return contents.getTitle() || ''
+  } catch {
+    return ''
+  }
+}