drop.chapril.org-firefoxsend/app/fileManager.js
2018-02-01 11:42:07 -08:00

219 lines
5.6 KiB
JavaScript

import FileSender from './fileSender';
import FileReceiver from './fileReceiver';
import {
copyToClipboard,
delay,
fadeOut,
openLinksInNewTab,
percent,
saveFile
} from './utils';
import * as metrics from './metrics';
export default function(state, emitter) {
let lastRender = 0;
let updateTitle = false;
function render() {
emitter.emit('render');
}
async function checkFiles() {
const files = state.storage.files;
let rerender = false;
for (const file of files) {
const oldLimit = file.dlimit;
const oldTotal = file.dtotal;
await file.updateDownloadCount();
if (file.dtotal === file.dlimit) {
state.storage.remove(file.id);
rerender = true;
} else if (oldLimit !== file.dlimit || oldTotal !== file.dtotal) {
rerender = true;
}
}
if (rerender) {
render();
}
}
function updateProgress() {
if (updateTitle) {
emitter.emit('DOMTitleChange', percent(state.transfer.progressRatio));
}
render();
}
emitter.on('DOMContentLoaded', () => {
document.addEventListener('blur', () => (updateTitle = true));
document.addEventListener('focus', () => {
updateTitle = false;
emitter.emit('DOMTitleChange', 'Firefox Send');
});
checkFiles();
});
emitter.on('navigate', checkFiles);
emitter.on('render', () => {
lastRender = Date.now();
});
emitter.on('changeLimit', async ({ file, value }) => {
await file.changeLimit(value);
state.storage.writeFile(file);
metrics.changedDownloadLimit(file);
});
emitter.on('delete', async ({ file, location }) => {
try {
metrics.deletedUpload({
size: file.size,
time: file.time,
speed: file.speed,
type: file.type,
ttl: file.expiresAt - Date.now(),
location
});
state.storage.remove(file.id);
await file.del();
} catch (e) {
state.raven.captureException(e);
}
});
emitter.on('cancel', () => {
state.transfer.cancel();
});
emitter.on('upload', async ({ file, type }) => {
const size = file.size;
const sender = new FileSender(file);
sender.on('progress', updateProgress);
sender.on('encrypting', render);
state.transfer = sender;
state.uploading = true;
render();
const links = openLinksInNewTab();
await delay(200);
try {
metrics.startedUpload({ size, type });
const ownedFile = await sender.upload();
state.storage.totalUploads += 1;
metrics.completedUpload(ownedFile);
state.storage.addFile(ownedFile);
document.getElementById('cancel-upload').hidden = 'hidden';
await delay(1000);
await fadeOut('upload-progress');
openLinksInNewTab(links, false);
emitter.emit('pushState', `/share/${ownedFile.id}`);
} catch (err) {
console.error(err);
if (err.message === '0') {
//cancelled. do nothing
metrics.cancelledUpload({ size, type });
return render();
}
state.raven.captureException(err);
metrics.stoppedUpload({ size, type, err });
emitter.emit('pushState', '/error');
} finally {
state.uploading = false;
state.transfer = null;
}
});
emitter.on('password', async ({ password, file }) => {
try {
await file.setPassword(password);
state.storage.writeFile(file);
metrics.addedPassword({ size: file.size });
} catch (err) {
console.error(err);
}
render();
});
emitter.on('getMetadata', async () => {
const file = state.fileInfo;
const receiver = new FileReceiver(file);
try {
await receiver.getMetadata();
receiver.on('progress', updateProgress);
receiver.on('decrypting', render);
state.transfer = receiver;
} catch (e) {
if (e.message === '401') {
file.password = null;
if (!file.requiresPassword) {
return emitter.emit('pushState', '/404');
}
}
}
render();
});
emitter.on('download', async file => {
state.transfer.on('progress', render);
state.transfer.on('decrypting', render);
const links = openLinksInNewTab();
const size = file.size;
try {
const start = Date.now();
metrics.startedDownload({ size: file.size, ttl: file.ttl });
const f = await state.transfer.download();
const time = Date.now() - start;
const speed = size / (time / 1000);
await delay(1000);
await fadeOut('download-progress');
saveFile(f);
state.storage.totalDownloads += 1;
metrics.completedDownload({ size, time, speed });
emitter.emit('pushState', '/completed');
} catch (err) {
if (err.message === '0') {
// download cancelled
return render();
}
console.error(err);
const location = err.message === 'notfound' ? '/404' : '/error';
if (location === '/error') {
state.raven.captureException(err);
metrics.stoppedDownload({ size, err });
}
emitter.emit('pushState', location);
} finally {
state.transfer = null;
openLinksInNewTab(links, false);
}
});
emitter.on('copy', ({ url, location }) => {
copyToClipboard(url);
metrics.copiedLink({ location });
});
setInterval(() => {
// poll for updates of the download counts
// TODO something for the share page: || state.route === '/share/:id'
if (state.route === '/') {
checkFiles();
}
}, 2 * 60 * 1000);
setInterval(() => {
// poll for rerendering the file list countdown timers
if (
state.route === '/' &&
state.storage.files.length > 0 &&
Date.now() - lastRender > 30000
) {
render();
}
}, 60000);
}