From 1422366ad5308f4e1f7601ef08f97e2be1201c58 Mon Sep 17 00:00:00 2001
From: Juan Cortes Ross <juan@bohem.io>
Date: Thu, 31 Jan 2019 17:28:03 +0100
Subject: [PATCH] Missing component

---
 src/components/SettingsPage/SocketExport.js | 94 +++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 src/components/SettingsPage/SocketExport.js

diff --git a/src/components/SettingsPage/SocketExport.js b/src/components/SettingsPage/SocketExport.js
new file mode 100644
index 00000000..34b81c5b
--- /dev/null
+++ b/src/components/SettingsPage/SocketExport.js
@@ -0,0 +1,94 @@
+// @flow
+
+import React, { PureComponent } from 'react'
+import WebSocket from 'ws'
+import IP from 'ip'
+import { createStructuredSelector } from 'reselect'
+import { activeAccountsSelector } from 'reducers/accounts'
+import { exportSettingsSelector } from 'reducers/settings'
+import { encode } from '@ledgerhq/live-common/lib/cross'
+import connect from 'react-redux/es/connect/connect'
+import Button from '../base/Button'
+import QRCode from '../base/QRCode'
+
+type Props = {
+  accounts: *,
+  settings: *,
+}
+
+type State = {
+  active: boolean,
+}
+
+const mapStateToProps = createStructuredSelector({
+  accounts: activeAccountsSelector,
+  settings: exportSettingsSelector,
+})
+
+class SocketExport extends PureComponent<Props, State> {
+  state = {
+    active: false,
+  }
+
+  componentWillMount() {
+    this.resetServer()
+  }
+
+  componentDidUpdate() {
+    if (!this.state.active) return
+    if (!this.server) {
+      this.resetServer()
+    }
+  }
+
+  componentWillUnmount() {
+    if (this.server) this.server.close()
+  }
+
+  resetServer = () => {
+    this.server = new WebSocket.Server({ port: 1234 })
+
+    const { accounts, settings } = this.props
+
+    const data = encode({
+      accounts,
+      settings,
+      exporterName: 'desktop',
+      exporterVersion: __APP_VERSION__,
+    })
+
+    // Secret handshake to avoid intruders
+    this.secret = Math.random()
+      .toString(36)
+      .slice(2)
+
+    if (this.server) {
+      this.server.on('connection', ws => {
+        ws.on('message', message => {
+          if (message === this.secret) {
+            ws.send(data)
+            ws.close()
+            this.setState({ active: false })
+            this.server = undefined
+          }
+        })
+      })
+    }
+  }
+
+  secret: string
+  server: *
+  canvas = React.createRef()
+
+  render() {
+    return this.state.active ? (
+      <QRCode size={50} data={`${this.secret}~${IP.address()}`} />
+    ) : (
+      <Button primary small onClick={() => this.setState({ active: true })}>
+        {'Generate Code'}
+      </Button>
+    )
+  }
+}
+
+export default connect(mapStateToProps)(SocketExport)