feat: add IPFS (first round, pre convo with brave team)

Author: daviddias

.gitignore

@@ -53,6 +53,8 @@ Brave.tar.bz2
 
 app/extensions/brave/gen
 app/extensions/torrent/gen
+app/extensions/ipfs/gen
+
 *.pfx
 buildConfig.js
 

app/browser/ipfs.js

@@ -0,0 +1,77 @@
+/* IPFS node in electron's main process */
+
+// TODO(diasdavid) - review electron's main process support https://github.com/ipfs/js-ipfs/issues/843
+
+// const electron = require('electron')
+// const ipc = electron.ipcMain
+// const messages = require('../../js/constants/messages')
+// const IPFS = require('ipfs')
+// const os = require('os')
+// const path = require('path')
+
+module.exports = {init}
+
+// Set to see communication between WebTorrent and torrent viewer tabs
+const DEBUG_IPC = false
+if (DEBUG_IPC) {
+  console.log('IPFS IPC debugging enabled')
+}
+
+// IPFS node
+// let node = null
+// let channels = {}
+
+// Receive messages via the window process, ultimately from the UI in a <webview> process
+function init (state, action) {
+  if (DEBUG_IPC) {
+    console.log('IPFS IPC init')
+  }
+
+  return state
+
+  /*
+  node = new IPFS({
+    repo: path.join(os.homedir(), '/.brave-jsipfs')
+  })
+
+  node.on('ready', () => {
+    if (DEBUG_IPC) {
+      console.log('IPFS node is ready')
+    }
+  })
+
+  node.on('error', (err) => console.log('IPFS: ', err))
+
+  // access on the browser with remote.getGlobal('ipfs')
+  global.ipfs = node
+  */
+
+  /* TODO(diasdavid) consider enabling the browser tab to start and stop the node
+  ipc.on(messages.IPFS_MESSAGE, function (event, msg) {
+    if (DEBUG_IPC) {
+      console.log('IPFS: Received IPC: ' + JSON.stringify(msg))
+    }
+
+    channels[msg.clientKey] = e.sender
+    server.receive(msg)
+  })
+  */
+}
+
+// Send messages from the browser process (here), thru the window process, to the <webview>
+/*
+function send (msg) {
+  if (DEBUG_IPC) console.log('Sending IPC: ' + JSON.stringify(msg))
+  const channel = channels[msg.clientKey]
+  if (!channel) {
+    if (DEBUG_IPC) console.error('Ignoring unrecognized clientKey ' + msg.clientKey)
+    return
+  }
+  if (channel.isDestroyed()) {
+    if (DEBUG_IPC) console.log('Removing destroyed channel, clientKey ' + msg.clientKey)
+    delete channels[msg.clientKey]
+    return
+  }
+  channel.send(messages.IPFS_MESSAGE, msg)
+}
+*/

app/extensions.js

@@ -222,6 +222,53 @@ let generateTorrentManifest = () => {
   }
 }
 
+// Returns the Chromium extension manifest for the ipfsExtension
+// The ipfsExtension handles ipfs:// and dweb:
+// Analagous to the PDFJS extension, it shows a special UI for that type of resource
+let generateIPFSManifest = () => {
+  let cspDirectives = {
+    'default-src': '\'self\'',
+    // TODO(bridiver) - remove example.com when webtorrent no longer requires it
+    //                  (i.e. once Brave uses webpack v2)
+    'connect-src': '\'self\' https://example.com',
+    'media-src': '\'self\' http://localhost:*',
+    'form-action': '\'none\'',
+    'style-src': '\'self\' \'unsafe-inline\'',
+    'frame-src': '\'self\' http://localhost:*'
+  }
+
+  if (process.env.NODE_ENV === 'development') {
+    // allow access to webpack dev server resources
+    let devServer = 'localhost:' + process.env.npm_package_config_port
+    cspDirectives['default-src'] += ' http://' + devServer
+    cspDirectives['connect-src'] += ' http://' + devServer + ' ws://' + devServer
+    cspDirectives['media-src'] += ' http://' + devServer
+    cspDirectives['frame-src'] += ' http://' + devServer
+    cspDirectives['style-src'] += ' http://' + devServer
+  }
+
+  return {
+    name: 'IPFS Viewer',
+    description: l10n.translation('ipfsDesc'),
+    manifest_version: 2,
+    version: '1.0',
+    content_security_policy: concatCSP(cspDirectives),
+    content_scripts: [],
+    permissions: ['externally_connectable.all_urls', 'tabs', '<all_urls>'],
+    externally_connectable: {
+      matches: ['<all_urls>']
+    },
+    icons: {
+      128: 'img/ipfs-128.png',
+      48: 'img/ipfs-48.png',
+      16: 'img/ipfs-16.png'
+    },
+    incognito: 'split',
+    // TODO(diasdavid) How to get this key??
+    key: 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyWl+wMvL0wZX3JUs7GeZAvxMP+LWEh2bwMV1HyuBra/lGZIq3Fmh0+AFnvFPXz1NpQkbLS3QWyqhdIn/lepGwuc2ma0glPzzmieqwctUurMGSGManApGO1MkcbSPhb+R1mx8tMam5+wbme4WoW37PI3oATgOs2NvHYuP60qol3U7b/zB3IWuqtwtqKe2Q1xY17btvPuz148ygWWIHneedt0jwfr6Zp+CSLARB9Heq/jqGXV4dPSVZ5ebBHLQ452iZkHxS6fm4Z+IxjKdYs3HNj/s8xbfEZ2ydnArGdJ0lpSK9jkDGYyUBugq5Qp3FH6zV89WqBvoV1dqUmL9gxbHsQIDAQAB'
+  }
+}
+
 let generateSyncManifest = () => {
   let cspDirectives = {
     'default-src': '\'self\'',
@@ -419,7 +466,10 @@ module.exports.init = () => {
     }
     if (!extensionInfo.isLoaded(extensionId) && !extensionInfo.isLoading(extensionId)) {
       extensionInfo.setState(extensionId, extensionStates.LOADING)
-      if (extensionId === config.braveExtensionId || extensionId === config.torrentExtensionId || extensionId === config.syncExtensionId) {
+      if (extensionId === config.braveExtensionId ||
+          extensionId === config.torrentExtensionId ||
+          extensionId === config.syncExtensionId ||
+          extensionId === config.ipfsExtensionId) {
         session.defaultSession.extensions.load(extensionPath, manifest, manifestLocation)
         return
       }
@@ -458,11 +508,13 @@ module.exports.init = () => {
     }
   }
 
-  // Manually install the braveExtension and torrentExtension
+  // Manually install the braveExtension, torrentExtension and ipfsExtension
   extensionInfo.setState(config.braveExtensionId, extensionStates.REGISTERED)
   loadExtension(config.braveExtensionId, getExtensionsPath('brave'), generateBraveManifest(), 'component')
   extensionInfo.setState(config.syncExtensionId, extensionStates.REGISTERED)
   loadExtension(config.syncExtensionId, getExtensionsPath('brave'), generateSyncManifest(), 'unpacked')
+
+  // torrentExtension
   if (getSetting(settings.TORRENT_VIEWER_ENABLED)) {
     extensionInfo.setState(config.torrentExtensionId, extensionStates.REGISTERED)
     loadExtension(config.torrentExtensionId, getExtensionsPath('torrent'), generateTorrentManifest(), 'component')
@@ -471,6 +523,16 @@ module.exports.init = () => {
     extensionActions.extensionDisabled(config.torrentExtensionId)
   }
 
+  // ipfsExtension
+  console.log('IPFS: is extension enabled', getSetting(settings.IPFS_ENABLED))
+  if (getSetting(settings.IPFS_ENABLED)) {
+    extensionInfo.setState(config.ipfsExtensionId, extensionStates.REGISTERED)
+    loadExtension(config.ipfsExtensionId, getExtensionsPath('ipfs'), generateIPFSManifest(), 'component')
+  } else {
+    extensionInfo.setState(config.ipfsExtensionId, extensionStates.DISABLED)
+    extensionActions.extensionDisabled(config.ipfsExtensionId)
+  }
+
   let registerComponents = (diff) => {
     if (getSetting(settings.PDFJS_ENABLED)) {
       registerComponent(config.PDFJSExtensionId, config.PDFJSExtensionPublicKey)

app/extensions/brave/locales/bn-BD/preferences.properties

@@ -376,3 +376,4 @@ urlBarOptions=URL Bar Options
 disableTitleMode=সর্বদা URL বার দেখান
 wideURLbar=Use wide URL bar
 autoplay=Autoplay Media
+useIPFS=Enable IPFS (requires browser restart)

app/extensions/brave/locales/bn-IN/preferences.properties

@@ -376,3 +376,4 @@ urlBarOptions=URL Bar Options
 disableTitleMode=Always show the URL bar
 wideURLbar=Use wide URL bar
 autoplay=Autoplay Media
+useIPFS=Enable IPFS (requires browser restart)

app/extensions/brave/locales/cs/preferences.properties

@@ -376,3 +376,4 @@ urlBarOptions=Volby pro adresní řádek
 disableTitleMode=Vždy ukázat adresní řádek
 wideURLbar=Použít široký adresní řádek
 autoplay=Automatické přehrávání
+useIPFS=Enable IPFS (requires browser restart)

app/extensions/brave/locales/de-DE/preferences.properties

@@ -376,3 +376,4 @@ urlBarOptions=Einstellungen der URL-Zeile
 disableTitleMode=URL Zeile immer anzeigen
 wideURLbar=Lange URL-Zeile verwenden
 autoplay=Automatisch Medien abspielen
+useIPFS=Enable IPFS (requires browser restart)

app/extensions/brave/locales/en-US/preferences.properties

@@ -377,3 +377,4 @@ urlBarOptions=URL Bar Options
 disableTitleMode=Always show the URL bar
 wideURLbar=Use wide URL bar
 autoplay=Autoplay Media
+useIPFS=Enable IPFS (requires browser restart)

app/extensions/brave/locales/es/preferences.properties

@@ -376,3 +376,4 @@ urlBarOptions=URL Bar Options
 disableTitleMode=Mostrar siempre la barra de URL
 wideURLbar=Use wide URL bar
 autoplay=Autoplay Media
+useIPFS=Enable IPFS (requires browser restart)

app/extensions/brave/locales/fr-FR/preferences.properties

@@ -376,3 +376,4 @@ urlBarOptions=URL Bar Options
 disableTitleMode=Toujours afficher la barre d'adresse
 wideURLbar=Use wide URL bar
 autoplay=Autoplay Media
+useIPFS=Enable IPFS (requires browser restart)