import * as metrics from './metrics'; import FileReceiver from './fileReceiver'; import FileSender from './fileSender'; import copyDialog from './ui/copyDialog'; import faviconProgressbar from './ui/faviconProgressbar'; import okDialog from './ui/okDialog'; import shareDialog from './ui/shareDialog'; import signupDialog from './ui/signupDialog'; import surveyDialog from './ui/surveyDialog'; import { bytes, locale } from './utils'; import { copyToClipboard, delay, openLinksInNewTab, percent } from './utils'; export default function(state, emitter) { let lastRender = 0; let updateTitle = false; function render() { emitter.emit('render'); } async function checkFiles() { const changes = await state.user.syncFileList(); const rerender = changes.incoming || changes.downloadCount; if (rerender) { render(); } } function updateProgress() { if (updateTitle) { emitter.emit('DOMTitleChange', percent(state.transfer.progressRatio)); } faviconProgressbar.updateFavicon(state.transfer.progressRatio); render(); } emitter.on('DOMContentLoaded', () => { document.addEventListener('blur', () => (updateTitle = true)); document.addEventListener('focus', () => { updateTitle = false; emitter.emit('DOMTitleChange', 'Send'); faviconProgressbar.updateFavicon(0); }); checkFiles(); }); emitter.on('render', () => { lastRender = Date.now(); }); emitter.on('login', email => { state.user.login(email); }); emitter.on('logout', async () => { await state.user.logout(); metrics.loggedOut({ trigger: 'button' }); emitter.emit('pushState', '/'); }); emitter.on('removeUpload', file => { state.archive.remove(file); if (state.archive.numFiles === 0) { state.archive.clear(); } render(); }); emitter.on('delete', async ownedFile => { try { metrics.deletedUpload({ size: ownedFile.size, time: ownedFile.time, speed: ownedFile.speed, type: ownedFile.type, ttl: ownedFile.expiresAt - Date.now(), location }); state.storage.remove(ownedFile.id); await ownedFile.del(); } catch (e) { state.sentry.captureException(e); } render(); }); emitter.on('cancel', () => { state.transfer.cancel(); faviconProgressbar.updateFavicon(0); }); emitter.on('addFiles', async ({ files }) => { if (files.length < 1) { return; } const maxSize = state.user.maxSize; try { state.archive.addFiles( files, maxSize, state.LIMITS.MAX_FILES_PER_ARCHIVE ); } catch (e) { state.modal = okDialog( state.translate(e.message, { size: bytes(maxSize), count: state.LIMITS.MAX_FILES_PER_ARCHIVE }) ); } render(); }); emitter.on('signup-cta', source => { const query = state.query; state.user.startAuthFlow(source, { campaign: query.utm_campaign, content: query.utm_content, medium: query.utm_medium, source: query.utm_source, term: query.utm_term }); state.modal = signupDialog(source); render(); }); emitter.on('authenticate', async (code, oauthState) => { try { await state.user.finishLogin(code, oauthState); await state.user.syncFileList(); emitter.emit('replaceState', '/'); } catch (e) { emitter.emit('replaceState', '/error'); setTimeout(render); } }); emitter.on('upload', async () => { if (state.storage.files.length >= state.LIMITS.MAX_ARCHIVES_PER_USER) { state.modal = okDialog( state.translate('tooManyArchives', { count: state.LIMITS.MAX_ARCHIVES_PER_USER }) ); return render(); } const archive = state.archive; const sender = new FileSender(); sender.on('progress', updateProgress); sender.on('encrypting', render); sender.on('complete', render); state.transfer = sender; state.uploading = true; render(); const links = openLinksInNewTab(); await delay(200); const start = Date.now(); try { const ownedFile = await sender.upload(archive, state.user.bearerToken); state.storage.totalUploads += 1; const duration = Date.now() - start; metrics.completedUpload(archive, duration); faviconProgressbar.updateFavicon(0); state.storage.addFile(ownedFile); // TODO integrate password into /upload request if (archive.password) { emitter.emit('password', { password: archive.password, file: ownedFile }); } state.modal = state.capabilities.share ? shareDialog(ownedFile.name, ownedFile.url) : copyDialog(ownedFile.name, ownedFile.url); } catch (err) { if (err.message === '0') { //cancelled. do nothing metrics.cancelledUpload(archive, err.duration); render(); } else if (err.message === '401') { const refreshed = await state.user.refresh(); if (refreshed) { return emitter.emit('upload'); } emitter.emit('pushState', '/error'); } else { // eslint-disable-next-line no-console console.error(err); state.sentry.withScope(scope => { scope.setExtra('duration', err.duration); scope.setExtra('size', err.size); state.sentry.captureException(err); }); metrics.stoppedUpload(archive, err.duration); emitter.emit('pushState', '/error'); } } finally { openLinksInNewTab(links, false); archive.clear(); state.uploading = false; state.transfer = null; await state.user.syncFileList(); render(); } }); emitter.on('password', async ({ password, file }) => { try { state.settingPassword = true; render(); await file.setPassword(password); state.storage.writeFile(file); await delay(1000); } catch (err) { // eslint-disable-next-line no-console console.error(err); state.passwordSetError = err; } finally { state.settingPassword = false; } render(); }); emitter.on('getMetadata', async () => { const file = state.fileInfo; const receiver = new FileReceiver(file); try { await receiver.getMetadata(); state.transfer = receiver; } catch (e) { if (e.message === '401' || e.message === '404') { file.password = null; if (!file.requiresPassword) { return emitter.emit('pushState', '/404'); } } else { console.error(e); return emitter.emit('pushState', '/error'); } } render(); }); emitter.on('download', async file => { state.transfer.on('progress', updateProgress); state.transfer.on('decrypting', render); state.transfer.on('complete', render); const links = openLinksInNewTab(); const size = file.size; const start = Date.now(); try { const dl = state.transfer.download({ stream: state.capabilities.streamDownload }); render(); await dl; state.storage.totalDownloads += 1; const duration = Date.now() - start; metrics.completedDownload({ size, duration, password_protected: file.requiresPassword }); faviconProgressbar.updateFavicon(0); } catch (err) { if (err.message === '0') { // download cancelled state.transfer.reset(); render(); } else { // eslint-disable-next-line no-console state.transfer = null; const location = err.message === '404' ? '/404' : '/error'; if (location === '/error') { state.sentry.withScope(scope => { scope.setExtra('duration', err.duration); scope.setExtra('size', err.size); scope.setExtra('progress', err.progress); state.sentry.captureException(err); }); const duration = Date.now() - start; metrics.stoppedDownload({ size, duration, password_protected: file.requiresPassword }); } emitter.emit('pushState', location); } } finally { openLinksInNewTab(links, false); } }); emitter.on('copy', ({ url }) => { copyToClipboard(url); // metrics.copiedLink({ location }); }); emitter.on('closeModal', () => { if ( state.PREFS.surveyUrl && ['copy', 'share'].includes(state.modal.type) && locale().startsWith('en') && (state.storage.totalUploads > 1 || state.storage.totalDownloads > 0) && !state.user.surveyed ) { state.user.surveyed = true; state.modal = surveyDialog(); } else { state.modal = null; } render(); }); setInterval(() => { // poll for updates of the upload list if (!state.modal && state.route === '/') { checkFiles(); } }, 2 * 60 * 1000); setInterval(() => { // poll for rerendering the file list countdown timers if ( !state.modal && state.route === '/' && state.storage.files.length > 0 && Date.now() - lastRender > 30000 ) { render(); } }, 60000); }