diff options
Diffstat (limited to 'app')
-rw-r--r-- | app/scripts/keyring-controller.js | 120 | ||||
-rw-r--r-- | app/scripts/lib/config-manager.js | 32 | ||||
-rw-r--r-- | app/scripts/lib/encryptor.js | 137 | ||||
-rw-r--r-- | app/scripts/metamask-controller.js | 43 |
4 files changed, 319 insertions, 13 deletions
diff --git a/app/scripts/keyring-controller.js b/app/scripts/keyring-controller.js new file mode 100644 index 000000000..d25dddba1 --- /dev/null +++ b/app/scripts/keyring-controller.js @@ -0,0 +1,120 @@ +const EventEmitter = require('events').EventEmitter +const encryptor = require('./lib/encryptor') +const messageManager = require('./lib/message-manager') + + +module.exports = class KeyringController extends EventEmitter { + + constructor (opts) { + super() + this.configManager = opts.configManager + this.ethStore = opts.ethStore + this.keyChains = [] + } + + getState() { + return { + isInitialized: !!this.configManager.getVault(), + isUnlocked: !!this.key, + isConfirmed: true, // this.configManager.getConfirmed(), + isEthConfirmed: this.configManager.getShouldntShowWarning(), + unconfTxs: this.configManager.unconfirmedTxs(), + transactions: this.configManager.getTxList(), + unconfMsgs: messageManager.unconfirmedMsgs(), + messages: messageManager.getMsgList(), + selectedAddress: this.configManager.getSelectedAccount(), + shapeShiftTxList: this.configManager.getShapeShiftTxList(), + currentFiat: this.configManager.getCurrentFiat(), + conversionRate: this.configManager.getConversionRate(), + conversionDate: this.configManager.getConversionDate(), + } + } + + setStore(ethStore) { + this.ethStore = ethStore + } + + createNewVault(password, entropy, cb) { + const salt = generateSalt() + this.configManager.setSalt(salt) + this.loadKey(password) + .then((key) => { + return encryptor.encryptWithKey(key, {}) + }) + .then((encryptedString) => { + this.configManager.setVault(encryptedString) + cb(null, this.getState()) + }) + .catch((err) => { + cb(err) + }) + } + + submitPassword(password, cb) { + this.loadKey(password) + .then((key) => { + cb(null, this.getState()) + }) + .catch((err) => { + cb(err) + }) + } + + loadKey(password) { + const salt = this.configManager.getSalt() + return encryptor.keyFromPassword(password + salt) + .then((key) => { + this.key = key + return key + }) + } + + setSelectedAddress(address, cb) { + this.selectedAddress = address + cb(null, address) + } + + approveTransaction(txId, cb) { + cb() + } + + cancelTransaction(txId, cb) { + if (cb && typeof cb === 'function') { + cb() + } + } + + signMessage(msgParams, cb) { + cb() + } + + cancelMessage(msgId, cb) { + if (cb && typeof cb === 'function') { + cb() + } + } + + setLocked(cb) { + cb() + } + + exportAccount(address, cb) { + cb(null, '0xPrivateKey') + } + + saveAccountLabel(account, label, cb) { + cb(/* null, label */) + } + + tryPassword(password, cb) { + cb() + } + +} + +function generateSalt (byteCount) { + var view = new Uint8Array(32) + global.crypto.getRandomValues(view) + var b64encoded = btoa(String.fromCharCode.apply(null, view)) + return b64encoded +} diff --git a/app/scripts/lib/config-manager.js b/app/scripts/lib/config-manager.js index cced32670..ae4a84082 100644 --- a/app/scripts/lib/config-manager.js +++ b/app/scripts/lib/config-manager.js @@ -110,6 +110,27 @@ ConfigManager.prototype.setWallet = function (wallet) { this.setData(data) } +ConfigManager.prototype.setVault = function (encryptedString) { + var data = this.getData() + data.vault = encryptedString + this.setData(data) +} + +ConfigManager.prototype.getVault = function () { + var data = this.getData() + return ('vault' in data) && data.vault +} + +ConfigManager.prototype.getKeychains = function () { + return this.migrator.getData().keychains || [] +} + +ConfigManager.prototype.setKeychains = function (keychains) { + var data = this.migrator.getData() + data.keychains = keychains + this.setData(data) +} + ConfigManager.prototype.getSelectedAccount = function () { var config = this.getConfig() return config.selectedAccount @@ -249,6 +270,17 @@ ConfigManager.prototype.setNicknameForWallet = function (account, nickname) { // observable +ConfigManager.prototype.getSalt = function () { + var data = this.getData() + return ('salt' in data) && data.salt +} + +ConfigManager.prototype.setSalt = function(salt) { + var data = this.getData() + data.salt = salt + this.setData(data) +} + ConfigManager.prototype.subscribe = function (fn) { this._subs.push(fn) var unsubscribe = this.unsubscribe.bind(this, fn) diff --git a/app/scripts/lib/encryptor.js b/app/scripts/lib/encryptor.js new file mode 100644 index 000000000..3d069ab33 --- /dev/null +++ b/app/scripts/lib/encryptor.js @@ -0,0 +1,137 @@ +var ethUtil = require('ethereumjs-util') + +module.exports = { + + // Simple encryption methods: + encrypt, + decrypt, + + // More advanced encryption methods: + keyFromPassword, + encryptWithKey, + decryptWithKey, + + // Buffer <-> String methods + convertArrayBufferViewtoString, + convertStringToArrayBufferView, + + // Buffer <-> Hex string methods + serializeBufferForStorage, + serializeBufferFromStorage, + + // Buffer <-> base64 string methods + encodeBufferToBase64, + decodeBase64ToBuffer, +} + +// Takes a Pojo, returns encrypted text. +function encrypt (password, dataObj) { + return keyFromPassword(password) + .then(function (passwordDerivedKey) { + return encryptWithKey(passwordDerivedKey, dataObj) + }) +} + +function encryptWithKey (key, dataObj) { + var data = JSON.stringify(dataObj) + var dataBuffer = convertStringToArrayBufferView(data) + var vector = global.crypto.getRandomValues(new Uint8Array(16)) + + return global.crypto.subtle.encrypt({ + name: 'AES-GCM', + iv: vector, + }, key, dataBuffer).then(function(buf){ + var buffer = new Uint8Array(buf) + var vectorStr = encodeBufferToBase64(vector) + var vaultStr = encodeBufferToBase64(buffer) + return `${vaultStr}\\${vectorStr}` + }) +} + +// Takes encrypted text, returns the restored Pojo. +function decrypt (password, text) { + return keyFromPassword(password) + .then(function (key) { + return decryptWithKey(key, text) + }) +} + +function decryptWithKey (key, text) { + const parts = text.split('\\') + const encryptedData = decodeBase64ToBuffer(parts[0]) + const vector = decodeBase64ToBuffer(parts[1]) + return crypto.subtle.decrypt({name: 'AES-GCM', iv: vector}, key, encryptedData) + .then(function(result){ + const decryptedData = new Uint8Array(result) + const decryptedStr = convertArrayBufferViewtoString(decryptedData) + const decryptedObj = JSON.parse(decryptedStr) + return decryptedObj + }) +} + +function convertStringToArrayBufferView (str) { + var bytes = new Uint8Array(str.length) + for (var i = 0; i < str.length; i++) { + bytes[i] = str.charCodeAt(i) + } + + return bytes +} + +function convertArrayBufferViewtoString (buffer) { + var str = '' + for (var i = 0; i < buffer.byteLength; i++) { + str += String.fromCharCode(buffer[i]) + } + + return str +} + +function keyFromPassword (password) { + var passBuffer = convertStringToArrayBufferView(password) + return global.crypto.subtle.digest('SHA-256', passBuffer) + .then(function (passHash){ + return global.crypto.subtle.importKey('raw', passHash, {name: 'AES-GCM'}, false, ['encrypt', 'decrypt']) + }) +} + +function serializeBufferFromStorage (str) { + str = ethUtil.stripHexPrefix(str) + var buf = new Uint8Array(str.length / 2) + for (var i = 0; i < str.length; i += 2) { + var seg = str.substr(i, 2) + buf[i / 2] = parseInt(seg, 16) + } + return buf +} + +// Should return a string, ready for storage, in hex format. +function serializeBufferForStorage (buffer) { + var result = '0x' + var len = buffer.length || buffer.byteLength + for (var i = 0; i < len; i++) { + result += unprefixedHex(buffer[i]) + } + return result +} + +function unprefixedHex (num) { + var hex = num.toString(16) + while (hex.length < 2) { + hex = '0' + hex + } + return hex +} + +function encodeBufferToBase64 (buf) { + var b64encoded = btoa(String.fromCharCode.apply(null, buf)) + return b64encoded +} + +function decodeBase64ToBuffer (base64) { + var buf = new Uint8Array(atob(base64).split('') + .map(function(c) { + return c.charCodeAt(0) + })) + return buf +} diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js index 8b593d820..92551d633 100644 --- a/app/scripts/metamask-controller.js +++ b/app/scripts/metamask-controller.js @@ -1,7 +1,7 @@ const extend = require('xtend') const EthStore = require('eth-store') const MetaMaskProvider = require('web3-provider-engine/zero.js') -const IdentityStore = require('./lib/idStore') +const IdentityStore = require('./keyring-controller') const messageManager = require('./lib/message-manager') const HostStore = require('./lib/remote-store.js').HostStore const Web3 = require('web3') @@ -11,6 +11,7 @@ const extension = require('./lib/extension') module.exports = class MetamaskController { constructor (opts) { + this.state = { network: 'loading' } this.opts = opts this.listeners = [] this.configManager = new ConfigManager(opts) @@ -20,6 +21,7 @@ module.exports = class MetamaskController { this.provider = this.initializeProvider(opts) this.ethStore = new EthStore(this.provider) this.idStore.setStore(this.ethStore) + this.getNetwork() this.messageManager = messageManager this.publicConfigStore = this.initPublicConfigStore() @@ -30,11 +32,11 @@ module.exports = class MetamaskController { this.checkTOSChange() this.scheduleConversionInterval() - } getState () { return extend( + this.state, this.ethStore.getState(), this.idStore.getState(), this.configManager.getConfig() @@ -59,7 +61,6 @@ module.exports = class MetamaskController { // forward directly to idStore createNewVault: idStore.createNewVault.bind(idStore), - recoverFromSeed: idStore.recoverFromSeed.bind(idStore), submitPassword: idStore.submitPassword.bind(idStore), setSelectedAddress: idStore.setSelectedAddress.bind(idStore), approveTransaction: idStore.approveTransaction.bind(idStore), @@ -67,12 +68,9 @@ module.exports = class MetamaskController { signMessage: idStore.signMessage.bind(idStore), cancelMessage: idStore.cancelMessage.bind(idStore), setLocked: idStore.setLocked.bind(idStore), - clearSeedWordCache: idStore.clearSeedWordCache.bind(idStore), exportAccount: idStore.exportAccount.bind(idStore), - revealAccount: idStore.revealAccount.bind(idStore), saveAccountLabel: idStore.saveAccountLabel.bind(idStore), tryPassword: idStore.tryPassword.bind(idStore), - recoverSeed: idStore.recoverSeed.bind(idStore), // coinbase buyEth: this.buyEth.bind(this), // shapeshift @@ -161,11 +159,11 @@ module.exports = class MetamaskController { var provider = MetaMaskProvider(providerOpts) var web3 = new Web3(provider) + this.web3 = web3 idStore.web3 = web3 - idStore.getNetwork() provider.on('block', this.processBlock.bind(this)) - provider.on('error', idStore.getNetwork.bind(idStore)) + provider.on('error', this.getNetwork.bind(this)) return provider } @@ -262,8 +260,8 @@ module.exports = class MetamaskController { verifyNetwork () { // Check network when restoring connectivity: - if (this.idStore._currentState.network === 'loading') { - this.idStore.getNetwork() + if (this.state.network === 'loading') { + this.getNetwork() } } @@ -346,13 +344,13 @@ module.exports = class MetamaskController { setRpcTarget (rpcTarget) { this.configManager.setRpcTarget(rpcTarget) extension.runtime.reload() - this.idStore.getNetwork() + this.getNetwork() } setProviderType (type) { this.configManager.setProviderType(type) extension.runtime.reload() - this.idStore.getNetwork() + this.getNetwork() } useEtherscanProvider () { @@ -363,7 +361,7 @@ module.exports = class MetamaskController { buyEth (address, amount) { if (!amount) amount = '5' - var network = this.idStore._currentState.network + var network = this.state.network var url = `https://buy.coinbase.com/?code=9ec56d01-7e81-5017-930c-513daa27bb6a&amount=${amount}&address=${address}&crypto_currency=ETH` if (network === '2') { @@ -379,6 +377,25 @@ module.exports = class MetamaskController { this.configManager.createShapeShiftTx(depositAddress, depositType) } + getNetwork(err) { + if (err) { + this.state.network = 'loading' + this.sendUpdate() + } + + this.web3.version.getNetwork((err, network) => { + if (err) { + this.state.network = 'loading' + return this.sendUpdate() + } + if (global.METAMASK_DEBUG) { + console.log('web3.getNetwork returned ' + network) + } + this.state.network = network + this.sendUpdate() + }) + } + setGasMultiplier (gasMultiplier, cb) { try { this.configManager.setGasMultiplier(gasMultiplier) |