501431bf59
- background.js: chrome.downloads via page session (no CSP/base64) - content.js: fast-fail on Flow error banner, image vs video timeouts, autoStart - local_server_example.py: /enqueue + /save, downloads/ output, resume-skip - launch.sh: idempotent server-up + caffeinate + single-tab focus - install.sh + plist: self-healing agent every 10 min (TCC-safe App Support copy) - flowclient.py: enqueue/wait_for helper for game projects - README: full setup + macOS TCC gotcha Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
65 lines
2.8 KiB
JavaScript
65 lines
2.8 KiB
JavaScript
// Background service worker.
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// * Trusted input via the Chrome DevTools Protocol — Flow's editor ignores synthetic
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// DOM events (isTrusted=false); CDP Input.* events are trusted so it registers them.
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// * Asset download — fetches the harvested media URL with the page's session cookies
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// (host_permission covers labs.google) and hands the bytes to the local server. Runs
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// in the worker, so it's not blocked by the page's CSP.
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const attached = new Set();
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function attach(tabId) {
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return new Promise((res, rej) =>
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chrome.debugger.attach({ tabId }, '1.3', () =>
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chrome.runtime.lastError ? rej(chrome.runtime.lastError) : res()));
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}
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function cmd(tabId, method, params) {
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return new Promise((res, rej) =>
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chrome.debugger.sendCommand({ tabId }, method, params || {}, (r) =>
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chrome.runtime.lastError ? rej(chrome.runtime.lastError) : res(r)));
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}
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async function ensure(tabId) {
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if (attached.has(tabId)) return;
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try { await attach(tabId); attached.add(tabId); }
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catch (e) {
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if (/already attached/i.test(String(e.message || e))) attached.add(tabId);
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else throw e;
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}
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}
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const ENTER = { key: 'Enter', code: 'Enter', windowsVirtualKeyCode: 13, nativeVirtualKeyCode: 13 };
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chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
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const tabId = sender.tab && sender.tab.id;
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(async () => {
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try {
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if (msg.type === 'insertText') {
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await ensure(tabId);
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await cmd(tabId, 'Input.insertText', { text: msg.text });
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sendResponse({ ok: true });
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} else if (msg.type === 'pressEnter') {
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await ensure(tabId);
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await cmd(tabId, 'Input.dispatchKeyEvent', { type: 'keyDown', ...ENTER });
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await cmd(tabId, 'Input.dispatchKeyEvent', { type: 'keyUp', ...ENTER });
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sendResponse({ ok: true });
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} else if (msg.type === 'download') {
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// Browser-native download: uses the page's session cookies, follows the media
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// redirect, no CSP/CORS/base64. Lands under the browser's Downloads dir.
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const dlId = await new Promise((res, rej) => chrome.downloads.download(
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{ url: msg.url, filename: msg.filename, conflictAction: 'uniquify', saveAs: false },
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(id) => chrome.runtime.lastError ? rej(chrome.runtime.lastError) : res(id)));
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sendResponse({ ok: dlId != null, id: dlId });
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} else if (msg.type === 'detach') {
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if (attached.has(tabId)) { chrome.debugger.detach({ tabId }, () => {}); attached.delete(tabId); }
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sendResponse({ ok: true });
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} else {
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sendResponse({ ok: false, error: 'unknown message' });
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}
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} catch (e) {
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sendResponse({ ok: false, error: String(e.message || e) });
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}
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})();
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return true; // async response
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});
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chrome.debugger.onDetach.addListener((src) => { if (src.tabId) attached.delete(src.tabId); });
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