const urlUtil = require('url') const extend = require('xtend') const Dnode = require('dnode') const eos = require('end-of-stream') const PortStream = require('./lib/port-stream.js') const notification = require('./lib/notifications.js') const messageManager = require('./lib/message-manager') const setupMultiplex = require('./lib/stream-utils.js').setupMultiplex const MetamaskController = require('./metamask-controller') const extension = require('./lib/extension') const STORAGE_KEY = 'metamask-config' const METAMASK_DEBUG = 'GULP_METAMASK_DEBUG' var popupIsOpen = false const controller = new MetamaskController({ // User confirmation callbacks: showUnconfirmedMessage: triggerUi, unlockAccountMessage: triggerUi, showUnapprovedTx: triggerUi, // Persistence Methods: setData, loadData, }) const txManager = controller.txManager function triggerUi () { if (!popupIsOpen) notification.show() } // On first install, open a window to MetaMask website to how-it-works. extension.runtime.onInstalled.addListener(function (details) { if ((details.reason === 'install') && (!METAMASK_DEBUG)) { extension.tabs.create({url: 'https://metamask.io/#how-it-works'}) } }) // // connect to other contexts // extension.runtime.onConnect.addListener(connectRemote) function connectRemote (remotePort) { var isMetaMaskInternalProcess = remotePort.name === 'popup' || remotePort.name === 'notification' var portStream = new PortStream(remotePort) if (isMetaMaskInternalProcess) { // communication with popup popupIsOpen = remotePort.name === 'popup' setupTrustedCommunication(portStream, 'MetaMask', remotePort.name) } else { // communication with page var originDomain = urlUtil.parse(remotePort.sender.url).hostname setupUntrustedCommunication(portStream, 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 var sendUpdate = remote.sendUpdate.bind(remote) controller.on('update', sendUpdate) // teardown on disconnect eos(stream, () => { controller.removeListener('update', sendUpdate) popupIsOpen = false }) }) } // // plugin badge text // txManager.on('updateBadge', updateBadge) function updateBadge () { var label = '' var unapprovedTxCount = controller.txManager.unapprovedTxCount var unconfMsgs = messageManager.unconfirmedMsgs() var unconfMsgLen = Object.keys(unconfMsgs).length var count = unapprovedTxCount + unconfMsgLen if (count) { label = String(count) } extension.browserAction.setBadgeText({ text: label }) extension.browserAction.setBadgeBackgroundColor({ color: '#506F8B' }) } // data :: setters/getters 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) }