in progress: move webtorrent into background BrowserWindow
This commit is contained in:
Feross Aboukhadijeh
@@ -1,23 +0,0 @@
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module.exports = captureVideoFrame
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function captureVideoFrame (video, format) {
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if (typeof video === 'string') video = document.querySelector(video)
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if (!video || video.nodeName !== 'VIDEO') {
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throw new Error('First argument must be a <video> element or selector')
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}
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if (format == null) format = 'png'
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if (format !== 'png' && format !== 'jpg' && format !== 'webp') {
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throw new Error('Second argument must be one of "png", "jpg", or "webp"')
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}
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var canvas = document.createElement('canvas')
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canvas.width = video.videoWidth
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canvas.height = video.videoHeight
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canvas.getContext('2d').drawImage(video, 0, 0)
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var dataUri = canvas.toDataURL('image/' + format)
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var data = dataUri.split(',')[1]
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return new Buffer(data, 'base64')
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}
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@@ -1,26 +1,75 @@
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var debug = require('debug/browser')('app:client')
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var createElement = require('virtual-dom/create-element')
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var diff = require('virtual-dom/diff')
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var dragDrop = require('drag-drop')
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var electron = require('electron')
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var patch = require('virtual-dom/patch')
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var ipc = electron.ipcRenderer
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var App = require('./views/app')
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var state = {
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count: 0
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torrents: [
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{ name: 'Torrent 1' },
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{ name: 'Torrent 2' }
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]
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}
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// Init app
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var currentVDom = App(state)
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var currentVDom = App(state, handler)
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var rootElement = createElement(currentVDom)
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document.body.appendChild(rootElement)
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function update () {
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var newVDom = App(state)
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debug('update')
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var newVDom = App(state, handler)
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var patches = diff(currentVDom, newVDom)
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rootElement = patch(rootElement, patches)
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currentVDom = newVDom
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}
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setInterval(function () {
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state.count += 1
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update()
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}, 1000)
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function handler (action, ...args) {
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debug('handler: %s', action)
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ipc.send('action', action, ...args)
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}
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// Seed via drag-and-drop
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dragDrop('body', onFiles)
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function onFiles (files) {
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debug('got files:')
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files.forEach(function (file) {
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debug(' - %s (%s bytes)', file.name, file.size)
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})
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// .torrent file = start downloading the torrent
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files.filter(isTorrentFile).forEach(downloadTorrentFile)
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// everything else = seed these files
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seed(files.filter(isNotTorrentFile))
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}
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function isTorrentFile (file) {
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var extname = path.extname(file.name).toLowerCase()
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return extname === '.torrent'
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}
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function isNotTorrentFile (file) {
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return !isTorrentFile(file)
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}
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// Seed via upload input element
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// var uploadElement = require('upload-element')
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// var upload = document.querySelector('input[name=upload]')
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// uploadElement(upload, function (err, files) {
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// if (err) return onError(err)
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// files = files.map(function (file) { return file.file })
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// onFiles(files)
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// })
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// Download via input element
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// document.querySelector('form').addEventListener('submit', function (e) {
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// e.preventDefault()
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// downloadTorrent(document.querySelector('form input[name=torrentId]').value.trim())
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// })
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@@ -1,26 +0,0 @@
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module.exports = torrentScreenshot
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var captureVideoFrame = require('./capture-video-frame')
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function torrentScreenshot (torrent, cb) {
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if (torrent.ready) onReady()
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else torrent.once('ready', onReady)
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function onReady () {
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// use largest file
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var file = torrent.files.reduce(function (a, b) {
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return a.length > b.length ? a : b
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})
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var video = document.createElement('video')
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file.renderTo(video)
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video.currentTime = 5
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video.addEventListener('seeked', onSeeked)
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function onSeeked (e) {
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video.removeEventListener('seeked', onSeeked)
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var buf = captureVideoFrame(video)
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cb(null, buf)
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}
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}
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}
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@@ -1,38 +0,0 @@
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var logElem = exports.logElem = document.querySelector('.log')
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var speed = document.querySelector('.speed')
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var logHeading = document.querySelector('#logHeading')
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exports.log = function log (item) {
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logHeading.style.display = 'block'
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if (typeof item === 'string') {
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var p = document.createElement('p')
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p.innerHTML = item
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logElem.appendChild(p)
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return p
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} else {
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logElem.appendChild(item)
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exports.lineBreak()
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return item
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}
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}
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exports.lineBreak = function lineBreak () {
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logElem.appendChild(document.createElement('br'))
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}
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// replace the last P in the log
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exports.updateSpeed = function updateSpeed (str) {
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speed.innerHTML = str
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}
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exports.warning = function warning (err) {
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console.error(err.stack || err.message || err)
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exports.log(err.message || err)
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}
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exports.error = function error (err) {
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console.error(err.stack || err.message || err)
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var p = exports.log(err.message || err)
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p.style.color = 'red'
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p.style.fontWeight = 'bold'
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}
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@@ -2,15 +2,26 @@ module.exports = App
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var h = require('virtual-dom/h')
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function App (state) {
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var count = state.count
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return h('div', {
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style: {
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textAlign: 'center',
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lineHeight: (100 + count) + 'px',
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border: '1px solid red',
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width: (100 + count) + 'px',
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height: (100 + count) + 'px'
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}
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}, [ String(count) ])
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function App (state, handler) {
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var torrents = state.torrents
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var list = torrents.map(function (torrent) {
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return h('.torrent', [
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h('.name', torrent.name)
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])
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})
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return h('.app', [
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h('h1', 'WebTorrent'),
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h('.torrent-list', list),
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h('.add', [
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h('button', {
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onclick: onAddTorrent
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}, 'Add New Torrent')
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])
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])
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function onAddTorrent (e) {
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handler('addTorrent', '6a9759bffd5c0af65319979fb7832189f4f3c35d')
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}
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}
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@@ -1,194 +0,0 @@
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/* global URL, Blob */
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var createTorrent = require('create-torrent')
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var debug = require('debug')('instant.io')
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var dragDrop = require('drag-drop')
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var path = require('path')
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var prettyBytes = require('pretty-bytes')
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var throttle = require('throttleit')
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var thunky = require('thunky')
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var torrentPoster = require('./torrent-poster')
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var uploadElement = require('upload-element')
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var WebTorrent = require('webtorrent')
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var xhr = require('xhr')
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var util = require('./util')
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global.WEBTORRENT_ANNOUNCE = createTorrent.announceList
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.map(function (arr) {
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return arr[0]
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})
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.filter(function (url) {
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return url.indexOf('wss://') === 0 || url.indexOf('ws://') === 0
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})
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var getClient = thunky(function (cb) {
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getRtcConfig('https://instant.io/rtcConfig', function (err, rtcConfig) {
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if (err) util.error(err)
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createClient(rtcConfig)
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})
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function createClient (rtcConfig) {
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var client = window.client = new WebTorrent({ rtcConfig: rtcConfig })
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client.on('warning', util.warning)
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client.on('error', util.error)
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cb(null, client)
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}
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})
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// For performance, create the client immediately
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getClient(function () {})
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// Seed via upload input element
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var upload = document.querySelector('input[name=upload]')
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uploadElement(upload, function (err, files) {
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if (err) return util.error(err)
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files = files.map(function (file) { return file.file })
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onFiles(files)
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})
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// Seed via drag-and-drop
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dragDrop('body', onFiles)
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// Download via input element
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document.querySelector('form').addEventListener('submit', function (e) {
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e.preventDefault()
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downloadTorrent(document.querySelector('form input[name=torrentId]').value.trim())
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})
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// Download by URL hash
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onHashChange()
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window.addEventListener('hashchange', onHashChange)
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function onHashChange () {
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var hash = decodeURIComponent(window.location.hash.substring(1)).trim()
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if (hash !== '') downloadTorrent(hash)
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}
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// Register a protocol handler for "magnet:" (will prompt the user)
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// navigator.registerProtocolHandler('magnet', window.location.origin + '#%s', 'Instant.io')
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function getRtcConfig (url, cb) {
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xhr(url, function (err, res) {
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if (err || res.statusCode !== 200) {
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cb(new Error('Could not get WebRTC config from server. Using default (without TURN).'))
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} else {
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var rtcConfig
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try {
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rtcConfig = JSON.parse(res.body)
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} catch (err) {
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return cb(new Error('Got invalid WebRTC config from server: ' + res.body))
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}
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debug('got rtc config: %o', rtcConfig)
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cb(null, rtcConfig)
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}
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})
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}
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function onFiles (files) {
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debug('got files:')
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files.forEach(function (file) {
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debug(' - %s (%s bytes)', file.name, file.size)
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})
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// .torrent file = start downloading the torrent
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files.filter(isTorrentFile).forEach(downloadTorrentFile)
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// everything else = seed these files
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seed(files.filter(isNotTorrentFile))
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}
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function isTorrentFile (file) {
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var extname = path.extname(file.name).toLowerCase()
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return extname === '.torrent'
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}
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function isNotTorrentFile (file) {
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return !isTorrentFile(file)
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}
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function downloadTorrent (torrentId) {
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util.log('Downloading torrent from ' + torrentId)
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getClient(function (err, client) {
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if (err) return util.error(err)
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client.add(torrentId, onTorrent)
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})
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}
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function downloadTorrentFile (file) {
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util.log('Downloading torrent from <strong>' + file.name + '</strong>')
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getClient(function (err, client) {
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if (err) return util.error(err)
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client.add(file, onTorrent)
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})
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}
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function seed (files) {
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if (files.length === 0) return
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util.log('Seeding ' + files.length + ' files')
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// Seed from WebTorrent
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getClient(function (err, client) {
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if (err) return util.error(err)
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client.seed(files, onTorrent)
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})
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}
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function onTorrent (torrent) {
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upload.value = upload.defaultValue // reset upload element
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var torrentFileName = path.basename(torrent.name, path.extname(torrent.name)) + '.torrent'
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util.log('"' + torrentFileName + '" contains ' + torrent.files.length + ' files:')
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torrent.files.forEach(function (file) {
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util.log(' - ' + file.name + ' (' + prettyBytes(file.length) + ')')
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})
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util.log(
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'Torrent info hash: ' + torrent.infoHash + ' ' +
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'<a href="/#' + torrent.infoHash + '" onclick="prompt(\'Share this link with anyone you want to download this torrent:\', this.href);return false;">[Share link]</a> ' +
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'<a href="' + torrent.magnetURI + '" target="_blank">[Magnet URI]</a> ' +
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'<a href="' + torrent.torrentFileBlobURL + '" target="_blank" download="' + torrentFileName + '">[Download .torrent]</a>'
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)
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function updateSpeed () {
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var progress = (100 * torrent.progress).toFixed(1)
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util.updateSpeed(
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'<b>Peers:</b> ' + torrent.swarm.wires.length + ' ' +
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'<b>Progress:</b> ' + progress + '% ' +
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'<b>Download speed:</b> ' + prettyBytes(window.client.downloadSpeed) + '/s ' +
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'<b>Upload speed:</b> ' + prettyBytes(window.client.uploadSpeed) + '/s'
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)
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}
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torrent.on('download', throttle(updateSpeed, 250))
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torrent.on('upload', throttle(updateSpeed, 250))
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setInterval(updateSpeed, 5000)
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updateSpeed()
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torrentPoster(torrent, function (err, buf) {
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if (err) return util.error(err)
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var img = document.createElement('img')
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img.src = URL.createObjectURL(new Blob([ buf ], { type: 'image/png' }))
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document.body.appendChild(img)
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})
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// TODO: play torrent when user clicks button
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// torrent.files.forEach(function (file) {
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// // append file
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// file.appendTo(util.logElem, function (err, elem) {
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// if (err) return util.error(err)
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// })
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// // append download link
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// file.getBlobURL(function (err, url) {
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// if (err) return util.error(err)
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// var a = document.createElement('a')
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// a.target = '_blank'
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// a.download = file.name
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// a.href = url
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// a.textContent = 'Download ' + file.name
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// util.log(a)
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// })
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// })
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}
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Reference in New Issue
Block a user