WIP: Untrusted external connections eg: dapps

library/controller.js

@@ -1,13 +1,181 @@
-// const SWcontroller = require('./sw-controller')
+const ParentStream = require('iframe-stream').ParentStream
-// const SwStream = require('sw-stream/lib/sw-stream.js')
+const SWcontroller = require('./sw-controller')
-// const startPopup = require('../app/scripts/popup-core')
+const SwStream = require('sw-stream/lib/sw-stream.js')
+const SetupUntrustedComunication = ('./lib/setup-untrusted-connection.js')
+const background = new SWcontroller({
+  fileName: '/popup/sw-build.js',
+})
+
+background.on('ready', (readSw) => {
+  // var inpageProvider = new MetamaskInpageProvider(SwStream(background.controller))
+  let pageStream = new ParentStream()
+  let swStream = SwStream(background.controller)
+  pageStream.pipe(swStream).pipe(pageStream)
+})
+
+background.on('error', console.error)
+background.startWorker()
 
-// console.log('outside:open')
-// const background = new SWcontroller({
-//   fileName: 'sw-build.js',
-// })
-// background.on('ready', (readSw) => {
-//   startPopup(SwStream(background.controller))
-// })
-// background.startWorker()
 console.log('hello from controller')
+/*
+const urlUtil = require('url')
+const extend = require('xtend')
+const Dnode = require('dnode')
+const eos = require('end-of-stream')
+const ParentStream = require('iframe-stream').ParentStream
+const PortStream = require('../app/scripts/lib/port-stream.js')
+const notification = require('../app/scripts/lib/notifications.js')
+const messageManager = require('../app/scripts/lib/message-manager')
+const setupMultiplex = require('../app/scripts/lib/stream-utils.js').setupMultiplex
+const MetamaskController = require('../app/scripts/metamask-controller')
+const extension = require('../app/scripts/lib/extension')
+
+const STORAGE_KEY = 'metamask-config'
+
+
+initializeZeroClient()
+
+function initializeZeroClient() {
+
+  const controller = new MetamaskController({
+    // User confirmation callbacks:
+    showUnconfirmedMessage,
+    unlockAccountMessage,
+    showUnapprovedTx,
+    // Persistence Methods:
+    setData,
+    loadData,
+  })
+  const idStore = controller.idStore
+
+  function unlockAccountMessage () {
+    console.log('notif stub - unlockAccountMessage')
+  }
+
+  function showUnconfirmedMessage (msgParams, msgId) {
+    console.log('notif stub - showUnconfirmedMessage')
+  }
+
+  function showUnapprovedTx (txParams, txData, onTxDoneCb) {
+    console.log('notif stub - showUnapprovedTx')
+  }
+
+  //
+  // connect to other contexts
+  //
+
+  var connectionStream = new ParentStream()
+
+  connectRemote(connectionStream, getParentHref())
+
+  function connectRemote (connectionStream, originDomain) {
+    var isMetaMaskInternalProcess = (originDomain === '127.0.0.1:9001')
+    if (isMetaMaskInternalProcess) {
+      // communication with popup
+      setupTrustedCommunication(connectionStream, 'MetaMask')
+    } else {
+      // communication with page
+      setupUntrustedCommunication(connectionStream, originDomain)
+    }
+  }
+
+  function setupUntrustedCommunication (connectionStream, originDomain) {
+    // setup multiplexing
+    var mx = setupMultiplex(connectionStream)
+    // connect features
+    controller.setupProviderConnection(mx.createStream('provider'), originDomain)
+    controller.setupPublicConfig(mx.createStream('publicConfig'))
+  }
+
+  function setupTrustedCommunication (connectionStream, originDomain) {
+    // setup multiplexing
+    var mx = setupMultiplex(connectionStream)
+    // connect features
+    setupControllerConnection(mx.createStream('controller'))
+    controller.setupProviderConnection(mx.createStream('provider'), originDomain)
+  }
+
+  //
+  // remote features
+  //
+
+  function setupControllerConnection (stream) {
+    controller.stream = stream
+    var api = controller.getApi()
+    var dnode = Dnode(api)
+    stream.pipe(dnode).pipe(stream)
+    dnode.on('remote', (remote) => {
+      // push updates to popup
+      controller.ethStore.on('update', controller.sendUpdate.bind(controller))
+      controller.listeners.push(remote)
+      idStore.on('update', controller.sendUpdate.bind(controller))
+
+      // teardown on disconnect
+      eos(stream, () => {
+        controller.ethStore.removeListener('update', controller.sendUpdate.bind(controller))
+      })
+    })
+  }
+
+  function loadData () {
+    var oldData = getOldStyleData()
+    var newData
+    try {
+      newData = JSON.parse(window.localStorage[STORAGE_KEY])
+    } catch (e) {}
+
+    var data = extend({
+      meta: {
+        version: 0,
+      },
+      data: {
+        config: {
+          provider: {
+            type: 'testnet',
+          },
+        },
+      },
+    }, oldData || null, newData || null)
+    return data
+  }
+
+  function getOldStyleData () {
+    var config, wallet, seedWords
+
+    var result = {
+      meta: { version: 0 },
+      data: {},
+    }
+
+    try {
+      config = JSON.parse(window.localStorage['config'])
+      result.data.config = config
+    } catch (e) {}
+    try {
+      wallet = JSON.parse(window.localStorage['lightwallet'])
+      result.data.wallet = wallet
+    } catch (e) {}
+    try {
+      seedWords = window.localStorage['seedWords']
+      result.data.seedWords = seedWords
+    } catch (e) {}
+
+    return result
+  }
+
+  function setData (data) {
+    window.localStorage[STORAGE_KEY] = JSON.stringify(data)
+  }
+
+  function getParentHref(){
+    try {
+      var parentLocation = window.parent.location
+      return parentLocation.hostname + ':' + parentLocation.port
+    } catch (err) {
+      return 'unknown'
+    }
+  }
+
+}
+
+*/

library/example/index.js

@@ -1,4 +1,3 @@
-
 window.addEventListener('load', web3Detect)
 
 function web3Detect() {
@@ -18,6 +17,7 @@ function startApp(){
   web3.eth.getAccounts(function(err, addresses){
     if (err) throw err
     console.log('set address', addresses[0])
+    debugger
     primaryAccount = addresses[0]
   })
 
@@ -53,4 +53,4 @@ function startApp(){
 function logToDom(message){
   document.body.appendChild(document.createTextNode(message))
   console.log(message)
-}
+}

library/index.js

@@ -41,3 +41,5 @@ function hijackProvider(provider){
     _super(payload, cb)
   }
 }
+
+

library/lib/setup-provider.js

@@ -22,4 +22,3 @@ function getProvider(){
   return inpageProvider
 
 }
-

library/lib/setup-untrusted-connection.js

@@ -0,0 +1,27 @@
+
+/*
+IFRAME
+ var pageStream = new LocalMessageDuplexStream({
+    name: 'contentscript',
+    target: 'inpage',
+  })
+SERVICEWORKER
+  pageStream.on('error', console.error)
+  var pluginPort = extension.runtime.connect({name: 'contentscript'})
+  var pluginStream = new PortStream(pluginPort)
+  pluginStream.on('error', console.error)
+IFRAME --> SW
+  // forward communication plugin->inpage
+  pageStream.pipe(pluginStream).pipe(pageStream)
+*/
+
+module.exports = SetupUntrustedComunicationWithSW
+
+function SetupUntrustedComunicationWithSW (connectionStream, readySwStream) {
+  pageStream.on('error', console.error)
+  var pluginPort = extension.runtime.connect({name: 'contentscript'})
+  var pluginStream = new PortStream(pluginPort)
+  pluginStream.on('error', console.error)
+  // forward communication plugin->inpage
+  pageStream.pipe(pluginStream).pipe(pageStream)
+}

library/popup.js

@@ -19,6 +19,7 @@ var iframeStream = setupIframe({
   container: document.body,
 })
 console.log('outside:open')
+
 const background = new SWcontroller({
   fileName: '/popup/sw-build.js',
 })
@@ -27,5 +28,6 @@ background.on('ready', (readSw) => {
   // startPopup(inpageProvider)
   startPopup(SwStream(background.controller))
 })
+background.on('message', (messageEvent) => {debugger})
 background.startWorker()
 console.log('hello from /library/popup.js')

library/sw-controller.js

@@ -7,22 +7,10 @@ module.exports = class ClientSideServiceWorker extends EventEmitter{
     this.startDelay = opts.startDelay
 
     this.serviceWorkerApi = navigator.serviceWorker
-    this.serviceWorkerApi.onmessage = (event) => this.emit('message', event)
+    this.serviceWorkerApi.onmessage = (messageEvent) => this.emit('message', messageEvent)
-    this.serviceWorkerApi.onerror = (event) => this.emit('error')
+    this.serviceWorkerApi.onerror = (err) => this.emit('error', err)
-
+    this.on('message', (messageEvent) => {debugger})
-    // temporary function
-    this.askForId = (message) => {
-      this.sendMessage('check-in')
-      .then((data) => console.log(`${message}----${data}`))
-    }
-
-    // if (!!this.serviceWorkerApi) this.askForId('before')
-
     if (opts.initStart) this.startWorker()
-
-    this.on('ready', (sw) => {
-      this.askForId('ready')
-    })
   }
 
   get controller () {
@@ -34,7 +22,6 @@ module.exports = class ClientSideServiceWorker extends EventEmitter{
     return this.registerWorker()
     .then((sw) => {
       this.sw = sw
-      this.askForId('after register:')
       this.sw.onerror = (err) => this.emit('error', err)
       this.sw = sw
       this.emit('ready', this.sw)
@@ -46,7 +33,6 @@ module.exports = class ClientSideServiceWorker extends EventEmitter{
     return this.serviceWorkerApi.register(this.fileName)
     .then((registerdWorker) => {
       return new Promise((resolve, reject) => {
-        this.askForId('after')
         let timeOutId = setTimeout(() => {
           if (this.serviceWorkerApi.controller) return resolve(this.serviceWorkerApi.controller)
           if (registerdWorker.active) return resolve(registerdWorker.active)

library/sw-core.js

@@ -1,7 +1,4 @@
 global.window = global
-const SWGlobal = self
-const urlUtil = require('url')
-const endOfStream = require('end-of-stream')
 const asyncQ = require('async-q')
 const pipe = require('pump')
 
@@ -14,7 +11,7 @@ const PortStream = require('../app/scripts/lib/port-stream.js')
 const DbController = require('./controllers/index-db-controller')
 
 const MetamaskController = require('../app/scripts/metamask-controller')
-// const extension = require('../app/scripts/lib/extension')
+const extension = {} //require('../app/scripts/lib/extension')
 // const LocalStorageStore = require('obs-store/lib/localStorage')
 const storeTransform = require('obs-store/lib/transform')
 const Migrator = require('../app/scripts/lib/migrator/')
@@ -36,20 +33,6 @@ self.addEventListener('activate', function(event) {
   event.waitUntil(self.clients.claim())
 })
 
-self.onsync = function (syncEvent) {
-// What is done when a sync even is fired
-  console.log('inside:sync')
-  var focused
-  self.clients.matchAll()
-  .then(clients => {
-    clients.forEach(function(client) {
-
-    })
-  })
-}
-
-
-
 console.log('inside:open')
 
 
@@ -117,8 +100,6 @@ function setupController (initState, client) {
     .catch((err) => {console.error(err)})
   })
   function versionifyData(state) {
-    // let versionedData
-    // versionedData.data = state
     return dbController.get()
     .then((rawData) => {
       return Promise.resolve({
@@ -143,6 +124,7 @@ function setupController (initState, client) {
     if (isMetaMaskInternalProcess) {
       // communication with popup
       controller.setupTrustedCommunication(connectionStream, 'MetaMask')
+      popupIsOpen = true
     } else {
       // communication with page
       setupUntrustedCommunication(connectionStream, originDomain)
@@ -175,6 +157,7 @@ function setupController (initState, client) {
 // // //
 
 // // // popup trigger
+
+/*send a message to the client that has focus and tell it to open a window*/
 function triggerUi () {
-  if (!popupIsOpen) notification.show()
 }

package.json

@@ -110,7 +110,7 @@
     "valid-url": "^1.0.9",
     "vreme": "^3.0.2",
     "web3": "0.18.2",
-    "web3-provider-engine": "^11.0.0",
+    "web3-provider-engine": "^11.0.1",
     "web3-stream-provider": "^2.0.6",
     "xtend": "^4.0.1"
   },