ArchiveBox/archivebox/extractors/example_js_extractor.js

301 lines
12 KiB
JavaScript

import {getEnvironmentConfig} from 'archivebox/util/config.js'
import {getScopeConfig} from 'archivebox/util/config.js'
import {getPuppeteerPage} from 'archivebox/util/page.js'
const env_config = await getEnvironmentConfig()
const snapshot_page = await archivebox.getPuppeteerPage(url, config)
async function extract(page) {
const cwd = process.cwd()
const config = await getScopeConfig(url=url)
const page = await archivebox.getPuppeteerPage(url, config)
const output_path = path.join(cwd, 'screenrecording.mp4')
let recorder = null
const {
SCREENRECORDING_DURATION_LIMIT=60,
SCREENRECORDING_CODEC='libx264',
SCREENRECORDING_SAVE_GIF=true,
} = config
page.on('setup', async () => {
recorder = new PuppeteerScreenRecorder(page, {
followNewTab: false,
recordDurationLimit: SCREENRECORDING_DURATION_LIMIT,
// fps: 25,
// ffmpeg_Path: '<path of ffmpeg_path>' || null,
// videoFrame: {
// width: 1024,
// height: 768,
// },
// videoCrf: 18,
videoCodec: SCREENRECORDING_CODEC,
// videoPreset: 'ultrafast',
// videoBitrate: 1000,
// autopad: {
// color: 'black' | '#35A5FF',
// },
// aspectRatio: '4:3',
});
await recorder.start(output_path)
await archivebox.savePageState(page, {recorder})
})
await once(page, 'setup')
await once(page, 'BEHAVIORS_STARTED')
page.on('BEHAVIORS_FINISHED', async () => {
if (!recorder) return
await recorder.stop()
// convert video to GIF
if (SCREENRECORDING_SAVE_GIF) {
try {
const BIN_NAME = process.env.FFMPEG_BINARY || 'ffmpeg'
const child = child_process.spawn(
BIN_NAME,
[
'-hide_banner',
'-loglevel', 'error',
'-ss', '3',
'-t', '10',
'-y',
'-i', output_path,
'-vf', "fps=10,scale=1024:-1:flags=bicubic,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse",
'-loop', '0',
output_path.replace('.mp4', '.gif'),
],
{
cwd,
timeout: 60_000,
// stdio: [null, 'pipe', 'pipe'],
stdio: 'ignore',
detached: true, // run in background, don't block on response
},
)
await blockUntilExists(output_path.replace('.mp4', '.gif'), {min_bytes: 100, timeout: 40_000})
console.log(`[🎥] Saved screen-recording GIF with ffmpeg pid=${child.pid} (${duration/1000}s)...`.padEnd(82), prettyPath(output_path.replace('.mp4', '.gif')))
} catch(err) {
console.log('[❌] Failed to convert video to GIF:', err)
}
}
})
await once(page, 'BEHAVIORS_FINISHED')
}
async function botArchiveTask({page, data, url=''}) {
url = url || data // puppeteer-cluster passes in the url value via the data: arg
const is_unarchivable_url = URL_SCHEMES_IGNORED.includes(url.split(':')[0])
const is_already_archived = ALREADY_ARCHIVED.has(url.slice(0, 4096))
if (is_unarchivable_url || is_already_archived) return null
ALREADY_ARCHIVED.add(url.slice(0, 4096))
if (ALREADY_ARCHIVED.size > TASKS_PER_RUN_LIMIT) {
console.warn('[❌] Hit maximum URLs archived per browser session, exiting to free memory.')
console.warn(' Run this process again to continue with the next batch...')
process.exit(21)
}
const browser = await page.browser()
const client = await page.target().createCDPSession()
const extensions = await getChromeExtensionsFromCache({browser})
const browser_version = await browser.version()
const original_url = url.toString()
const start_time = (new Date())
console.log('[0/4]-------------------------------------------------------------------------')
const snapshot_dir = await setupSnapshotDir({original_url, start_time})
const snapshot = await setupSnapshotDB({original_url, start_time, snapshot_dir})
console.log('[1/4]-------------------------------------------------------------------------')
console.log(`[🪟] Starting page & viewport setup (${browser_version} ${DEFAULT_VIEWPORT.isMobile ? 'mobile' : 'desktop'} ${DEFAULT_VIEWPORT.width}x${DEFAULT_VIEWPORT.height}px)...`)
const page_state = {
// global static state
browser,
client,
browser_version,
extensions,
// per-page static metadata
original_url,
snapshot,
snapshot_dir,
start_time: start_time.toISOString(),
start_ts: Number(start_time),
version: versionStrFromDate(start_time),
// per-page mutable archiving state
main_response: null,
recorder: null,
console_log: [],
traffic_log: {},
redirects: {},
}
page._original_url = original_url
try {
// run all page setup functions in parallel
const results = await Promise.allSettled([
// loadAuthStorage(page, page_state, { apply: true }),
startMetadataRecording(page, page_state),
setupURLRewriting(page, page_state),
// setupViewport(page, page_state),
setupModalAutoClosing(page, page_state),
loadCloudflareCookie(page, page_state),
startResponseSaving(page, page_state),
saveYTDLP(page, page_state),
saveGALLERYDL(page, page_state),
// saveSourceMaps(page, page_state),
// TODO: someday setup https://github.com/osnr/TabFS ?
]);
// run all page setup functions in parallel
const rejected = results
.filter(result => result.status === 'rejected')
.map(result => (result as PromiseRejectedResult).reason);
if (rejected.length) console.warn('[⚠️] Partial failures during page setup:', rejected);
} catch(err) {
console.error('[❌] PAGE SETUP ERROR', JSON.stringify(err, null, 4))
return
}
console.log('[2/4]-------------------------------------------------------------------------')
console.log('[➡️] NAVIGATION[INI]', ANSI.blue + url + ANSI.reset)
const startrecording_promise = startScreenrecording(page, page_state)
page_state.main_response = await page.goto(url, {waitUntil: 'load', timeout: 40_000})
try {
const results = await Promise.allSettled([
startrecording_promise,
page.bringToFront(),
page.waitForNetworkIdle({concurrency: 0, idleTime: 900, timeout: 20_000}),
])
const rejected = results
.filter(result => result.status === 'rejected')
.map(result => (result as PromiseRejectedResult).reason)
if (rejected.length) console.warn('[⚠️] Parial failures during page load:', rejected)
} catch(err) {
console.error('[❌] ERROR DURING PAGE LOAD', JSON.stringify(err, null, 4))
return
}
if (page_state.main_response === null) {
page_state.main_response = await page.waitForResponse(() => true)
}
assert(page_state.main_response)
if (page_state.main_response.status() == 429) {
throw `[⚠️] Got 429 rate-limit response, skipping this URL for now...`
}
// emulate human browsing behavior
// await disableAnimations(page, page_state);
await jiggleMouse(page, page_state);
await solveCaptchas(page, page_state);
await blockRedirects(page, page_state);
await scrollDown(page, page_state);
// await expandComments(page, page_state);
await submitForm(page, page_state);
// await blockJSExecution(page, page_state);
console.log('[3/4]-------------------------------------------------------------------------')
// stop tampering with page requests & JS / recording metadata / traffic log
await stopMetadataRecording(page, page_state)
// do all synchonous archiving steps that need exclusive use of the whole page while doing stuff
const saveScreenrecording_promise = saveScreenrecording(page, page_state);
await saveScreenshot(page, page_state);
await savePDF(page, page_state);
console.log('[4/4]-------------------------------------------------------------------------')
// do all async archiving steps that can be run at the same time
await inlineShadowDOM(page, page_state);
const results = await Promise.allSettled([
saveTitle(page, page_state),
saveSEO(page, page_state),
saveFavicon(page, page_state),
saveSSL(page, page_state),
saveRequests(page, page_state),
saveRedirects(page, page_state),
saveHeaders(page, page_state),
saveRaw(page, page_state),
saveDOM(page, page_state),
saveBodyText(page, page_state),
// savePandoc(page, page_state),
saveReadability(page, page_state),
saveAccessibility(page, page_state),
saveOutlinks(page, page_state),
// saveAuthStorage(page, page_state),
saveAIQualityAssuranceResult(page, page_state),
]);
// do all sync archiving steps that require browser extensions at the very end (they are the buggiest)
const bg_results = Promise.allSettled([
saveScreenrecording_promise,
saveSinglefile(page, page_state),
// saveArchiveWebPage(page, page_state),
// savePocket(page, page_state),
])
const {duration} = await saveMetrics(page, page_state);
const rejected = results
.filter(result => result.status === 'rejected')
.map(result => (result as PromiseRejectedResult).reason) // not sure why this has a ts-error, .reason does exist on rejected promises
if (rejected.length)
console.warn('[⚠️] Parial failures during archiving:', rejected)
// Start an interactive REPL here with the `page` instance.
// https://github.com/berstend/puppeteer-extra/tree/master/packages/puppeteer-extra-plugin-repl
// await page.repl()
// await page.browser().repl()
console.log(`[✅] ${ANSI.blue}Finished archiving in ${duration/1000}s.${ANSI.reset}`)
try {
const rejected = (await bg_results)
.filter(result => result.status === 'rejected')
.map(result => (result as PromiseRejectedResult).reason) // not sure why this has a ts-error, .reason does exist on rejected promises
if (rejected.length)
console.warn('[⚠️] Parial failures during wrap-up tasks:', rejected)
console.log('[🗑️] Resetting to about:blank to ensure memory is freed...')
await page.goto('about:blank')
await page.close()
} catch(err) {
console.log(err)
}
// symlink the best results from across all the versions/ into the snapshot dir root
await symlinkBestSnapshotResults(snapshot_dir)
// display latest version screenshot GIF
console.log()
try {
const latest_version_gif = path.join(snapshot_dir, 'versions', page_state.version, path.basename(SCREENRECORDGIF_PATH(page)))
const dirent = await blockUntilExists(latest_version_gif, {min_bytes: 100, timeout: 15_000})
child_process.spawn('/Users/squash/.iterm2/imgcat', [dirent.abspath], {stdio: [null, 'inherit', 'inherit']})
} catch(err) {
console.warn('[⚠️] Failed to display screenrecording.gif...', err)
console.log()
}
// determine whether task succeeded or failed based on AI QA score
const latest_version_aiqa = path.join(snapshot_dir, 'versions', page_state.version, path.basename(AIQA_PATH(page)))
const qa_results = JSON.parse((await fs.promises.readFile(latest_version_aiqa)).toString())
if (qa_results.pct_visible < 50) {
throw `[❌] Task completed with problems, got AI QA score of ${qa_results.pct_visible}%! ${qa_results.warnings.join(', ')} ${qa_results.error_text || ''}`
} else {
console.log(`[💫] Task completed succesfully: ${qa_results.pct_visible}% ${qa_results.warnings.join(', ') || ''}`)
console.log(` Summary: ${(qa_results.main_content_title || qa_results.description || 'No title/description detected').substring(0, 80)}... ${qa_results.main_content_author || ''} ${qa_results.main_content_date || ''}`)
return true
}
}