Introduce password prompt page and save encryption flag

components/password-prompt.js

@@ -0,0 +1,68 @@
+import React, { Component } from 'react'
+import { View, TextInput, TouchableOpacity } from 'react-native'
+import nodejs from 'nodejs-mobile-react-native'
+import AppText from './app-text'
+import { hasEncryptionObservable } from '../local-storage'
+import styles from '../styles'
+import labels from './labels'
+import { openDbConnection } from '../db'
+import App from './app'
+
+export default class PasswordPrompt extends Component {
+  constructor() {
+    super()
+    this.state = {}
+    hasEncryptionObservable.once((hasEncryption) => {
+      if (hasEncryption) {
+        this.setState({showPasswordPrompt: true})
+      } else {
+        openDbConnection()
+        this.setState({showApp: true})
+      }
+    })
+    nodejs.channel.addListener(
+      'message',
+      msg => {
+        msg = JSON.parse(msg)
+        if (msg.type === 'password-check-result') {
+          if (msg.message) {
+            this.setState({showApp: true})
+          } else {
+            this.setState({wrongPassword: true})
+          }
+        }
+      },
+      this
+    )
+  }
+
+  render() {
+    return (
+      <View style={{ flex: 1 }}>
+        {this.state.showApp ?
+          <App password={this.state.password}/>
+          :
+          <View>
+            {this.state.showPasswordPrompt &&
+              <View>
+                <TextInput
+                  onChangeText={val => this.setState({password: val})}
+                />
+                <TouchableOpacity
+                  onPress={async () => {
+
+                  }}
+                  style={styles.settingsButton}>
+                  <AppText style={styles.settingsButtonText}>
+                    {labels.export.button}
+                  </AppText>
+                </TouchableOpacity>
+                {this.state.wrongPassword && <AppText>Wrong PAssword!</AppText>}
+              </View>
+            }
+          </View>
+        }
+      </View>
+    )
+  }
+}

index.js

@@ -1,4 +1,4 @@
 import { AppRegistry } from 'react-native'
-import App from './components/app'
+import PasswordPrompt from './components/password-prompt'
 
-AppRegistry.registerComponent('home', () => App)
+AppRegistry.registerComponent('home', () => PasswordPrompt)

local-storage/index.js

@@ -19,12 +19,24 @@ scaleObservable((scale) => {
   }
 })
 
+export async function saveTempScale(scale) {
+  await AsyncStorage.setItem('tempScale', JSON.stringify(scale))
+  scaleObservable.set(scale)
+}
 
 export const tempReminderObservable = Observable()
 setObvWithInitValue('tempReminder', tempReminderObservable, {
   enabled: false
 })
 
+export async function saveTempReminder(reminder) {
+  await AsyncStorage.setItem('tempReminder', JSON.stringify(reminder))
+  tempReminderObservable.set(reminder)
+}
+
+export const hasEncryptionObservable = Observable()
+setObvWithInitValue('hasEncryption', hasEncryptionObservable, false)
+
 async function setObvWithInitValue(key, obv, defaultValue) {
   const result = await AsyncStorage.getItem(key)
   let value
@@ -35,13 +47,3 @@ async function setObvWithInitValue(key, obv, defaultValue) {
   }
   obv.set(value)
 }
-
-export async function saveTempScale(scale) {
-  await AsyncStorage.setItem('tempScale', JSON.stringify(scale))
-  scaleObservable.set(scale)
-}
-
-export async function saveTempReminder(reminder) {
-  await AsyncStorage.setItem('tempReminder', JSON.stringify(reminder))
-  tempReminderObservable.set(reminder)
-}

nodejs-assets/nodejs-project/main.js

@@ -5,11 +5,18 @@ const bcryptjs = require('bcryptjs')
 
 rnBridge.channel.on('message', (msg) => {
   msg = JSON.parse(msg)
-  if (msg.type === 'request-hash') {
+  if (msg.type === 'request-password-hash') {
     const hash = bcryptjs.hashSync(msg.message, 10)
     rnBridge.channel.send(JSON.stringify({
       type: 'hash',
       message: hash
     }))
+  } else if (msg.type === 'request-SHA512') {
+    // do the thing
+  } else if (msg.type === 'check-password') {
+    rnBridge.channel.send(JSON.stringify({
+      type: 'password-check-result',
+      message: bcryptjs.compareSync(msg.message.password, msg.message.hash)
+    }))
   }
 })