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MobileDevice.ts
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MobileDevice.ts
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import SNReactNative from '@standardnotes/react-native-utils'
import {
AppleIAPProductId,
AppleIAPReceipt,
ApplicationEvent,
ApplicationIdentifier,
DatabaseKeysLoadChunkResponse,
DatabaseLoadOptions,
Environment,
MobileDeviceInterface,
namespacedKey,
NamespacedRootKeyInKeychain,
Platform as SNPlatform,
RawKeychainValue,
RawStorageKey,
removeFromArray,
TransferPayload,
UuidString,
} from '@standardnotes/snjs'
import { ColorSchemeObserverService } from 'ColorSchemeObserverService'
import {
Alert,
Appearance,
AppState,
AppStateStatus,
ColorSchemeName,
Linking,
NativeModules,
PermissionsAndroid,
Platform,
StatusBar,
} from 'react-native'
import FileViewer from 'react-native-file-viewer'
import FingerprintScanner from 'react-native-fingerprint-scanner'
import FlagSecure from 'react-native-flag-secure-android'
import {
CachesDirectoryPath,
DocumentDirectoryPath,
DownloadDirectoryPath,
exists,
unlink,
writeFile,
} from 'react-native-fs'
import { hide, show } from 'react-native-privacy-snapshot'
import Share from 'react-native-share'
import { AndroidBackHandlerService } from '../AndroidBackHandlerService'
import { AppStateObserverService } from '../AppStateObserverService'
import { PurchaseManager } from '../PurchaseManager'
import { Database } from './Database/Database'
import { isLegacyIdentifier } from './Database/LegacyIdentifier'
import { LegacyKeyValueStore } from './Database/LegacyKeyValueStore'
import Keychain from './Keychain'
export type BiometricsType = 'Fingerprint' | 'Face ID' | 'Biometrics' | 'Touch ID'
export enum MobileDeviceEvent {
RequestsWebViewReload = 0,
}
type MobileDeviceEventHandler = (event: MobileDeviceEvent) => void
type ApplicationEventHandler = (event: ApplicationEvent) => void
export class MobileDevice implements MobileDeviceInterface {
environment: Environment.Mobile = Environment.Mobile
platform: SNPlatform.Ios | SNPlatform.Android = Platform.OS === 'ios' ? SNPlatform.Ios : SNPlatform.Android
private applicationEventObservers: ApplicationEventHandler[] = []
private mobileDeviceEventObservers: MobileDeviceEventHandler[] = []
public isDarkMode = false
public statusBarBgColor: string | undefined
private componentUrls: Map<UuidString, string> = new Map()
private keyValueStore = new LegacyKeyValueStore()
private databases = new Map<string, Database>()
constructor(
private stateObserverService?: AppStateObserverService,
private androidBackHandlerService?: AndroidBackHandlerService,
private colorSchemeService?: ColorSchemeObserverService,
) {}
async removeRawStorageValuesForIdentifier(identifier: string): Promise<void> {
await this.removeRawStorageValue(namespacedKey(identifier, RawStorageKey.SnjsVersion))
await this.removeRawStorageValue(namespacedKey(identifier, RawStorageKey.StorageObject))
}
async authenticateWithU2F(authenticationOptionsJSONString: string): Promise<Record<string, unknown> | null> {
const { Fido2ApiModule } = NativeModules
if (!Fido2ApiModule) {
this.consoleLog('Fido2ApiModule is not available')
return null
}
try {
const response = await Fido2ApiModule.promptForU2FAuthentication(authenticationOptionsJSONString)
return response
} catch (error) {
this.consoleLog(`Fido2ApiModule.authenticateWithU2F error: ${(error as Error).message}`)
return null
}
}
purchaseSubscriptionIAP(plan: AppleIAPProductId): Promise<AppleIAPReceipt | undefined> {
return PurchaseManager.getInstance().purchase(plan)
}
private findOrCreateDatabase(identifier: ApplicationIdentifier): Database {
const existing = this.databases.get(identifier)
if (existing) {
return existing
}
const newDb = new Database(identifier)
this.databases.set(identifier, newDb)
return newDb
}
deinit() {
this.stateObserverService?.deinit()
;(this.stateObserverService as unknown) = undefined
this.androidBackHandlerService?.deinit()
;(this.androidBackHandlerService as unknown) = undefined
this.colorSchemeService?.deinit()
;(this.colorSchemeService as unknown) = undefined
}
consoleLog(...args: unknown[]): void {
// eslint-disable-next-line no-console
console.log(args)
}
public async getJsonParsedRawStorageValue(key: string): Promise<unknown | undefined> {
const value = await this.getRawStorageValue(key)
if (value == undefined) {
return undefined
}
try {
return JSON.parse(value)
} catch (e) {
return value
}
}
getRawStorageValue(key: string): Promise<string | undefined> {
return this.keyValueStore.getValue(key)
}
setRawStorageValue(key: string, value: string): Promise<void> {
return this.keyValueStore.set(key, value)
}
removeRawStorageValue(key: string): Promise<void> {
return this.keyValueStore.delete(key)
}
removeAllRawStorageValues(): Promise<void> {
return this.keyValueStore.deleteAll()
}
openDatabase(): Promise<{ isNewDatabase?: boolean | undefined } | undefined> {
return Promise.resolve({ isNewDatabase: false })
}
getDatabaseLoadChunks(options: DatabaseLoadOptions, identifier: string): Promise<DatabaseKeysLoadChunkResponse> {
return this.findOrCreateDatabase(identifier).getLoadChunks(options)
}
async getAllDatabaseEntries<T extends TransferPayload = TransferPayload>(
identifier: ApplicationIdentifier,
): Promise<T[]> {
return this.findOrCreateDatabase(identifier).getAllEntries()
}
async getDatabaseEntries<T extends TransferPayload = TransferPayload>(
identifier: ApplicationIdentifier,
keys: string[],
): Promise<T[]> {
return this.findOrCreateDatabase(identifier).multiGet<T>(keys)
}
saveDatabaseEntry(payload: TransferPayload, identifier: ApplicationIdentifier): Promise<void> {
return this.saveDatabaseEntries([payload], identifier)
}
async saveDatabaseEntries(payloads: TransferPayload[], identifier: ApplicationIdentifier): Promise<void> {
return this.findOrCreateDatabase(identifier).setItems(payloads)
}
removeDatabaseEntry(id: string, identifier: ApplicationIdentifier): Promise<void> {
return this.findOrCreateDatabase(identifier).deleteItem(id)
}
async removeAllDatabaseEntries(identifier: ApplicationIdentifier): Promise<void> {
return this.findOrCreateDatabase(identifier).deleteAll()
}
async getDeviceBiometricsAvailability() {
try {
await FingerprintScanner.isSensorAvailable()
return true
} catch (e) {
return false
}
}
async authenticateWithBiometrics() {
this.stateObserverService?.beginIgnoringStateChanges()
const result = await new Promise<boolean>((resolve) => {
if (Platform.OS === 'android') {
FingerprintScanner.authenticate({
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore ts type does not exist for deviceCredentialAllowed
deviceCredentialAllowed: true,
description: 'Biometrics are required to access your notes.',
})
.then(() => {
FingerprintScanner.release()
resolve(true)
})
.catch((error) => {
FingerprintScanner.release()
if (error.name === 'DeviceLocked') {
Alert.alert('Unsuccessful', 'Authentication failed. Wait 30 seconds to try again.')
} else {
Alert.alert('Unsuccessful', 'Authentication failed. Tap to try again.')
}
resolve(false)
})
} else {
// iOS
FingerprintScanner.authenticate({
fallbackEnabled: true,
description: 'This is required to access your notes.',
})
.then(() => {
FingerprintScanner.release()
resolve(true)
})
.catch((error_1) => {
FingerprintScanner.release()
if (error_1.name !== 'SystemCancel') {
if (error_1.name !== 'UserCancel') {
Alert.alert('Unsuccessful')
} else {
Alert.alert('Unsuccessful', 'Authentication failed. Tap to try again.')
}
}
resolve(false)
})
}
})
this.stateObserverService?.stopIgnoringStateChanges()
return result
}
async getNamespacedKeychainValue(
identifier: ApplicationIdentifier,
): Promise<NamespacedRootKeyInKeychain | undefined> {
const keychain = await this.getRawKeychainValue()
if (!keychain) {
return
}
const namespacedValue = keychain[identifier]
if (!namespacedValue && isLegacyIdentifier(identifier)) {
return keychain as unknown as NamespacedRootKeyInKeychain
}
return namespacedValue
}
async setNamespacedKeychainValue(
value: NamespacedRootKeyInKeychain,
identifier: ApplicationIdentifier,
): Promise<void> {
let keychain = await this.getRawKeychainValue()
if (!keychain) {
keychain = {}
}
await Keychain.setKeys({
...keychain,
[identifier]: value,
})
}
async clearNamespacedKeychainValue(identifier: ApplicationIdentifier): Promise<void> {
const keychain = await this.getRawKeychainValue()
if (!keychain) {
return
}
delete keychain[identifier]
await Keychain.setKeys(keychain)
}
async getRawKeychainValue(): Promise<RawKeychainValue | undefined> {
const result = await Keychain.getKeys()
if (result === null) {
return undefined
}
return result
}
async clearRawKeychainValue(): Promise<void> {
await Keychain.clearKeys()
}
setAndroidScreenshotPrivacy(enable: boolean): void {
if (Platform.OS === 'android') {
enable ? FlagSecure.activate() : FlagSecure.deactivate()
}
}
openUrl(url: string) {
const showAlert = () => {
Alert.alert('Unable to Open', `Unable to open URL ${url}.`)
}
Linking.canOpenURL(url)
.then((supported) => {
if (!supported) {
showAlert()
return
} else {
return Linking.openURL(url)
}
})
.catch(() => showAlert())
}
async clearAllDataFromDevice(_workspaceIdentifiers: string[]): Promise<{ killsApplication: boolean }> {
await this.removeAllRawStorageValues()
await this.clearRawKeychainValue()
return { killsApplication: false }
}
performSoftReset() {
this.notifyMobileDeviceEvent(MobileDeviceEvent.RequestsWebViewReload)
}
addMobileDeviceEventReceiver(handler: MobileDeviceEventHandler): () => void {
this.mobileDeviceEventObservers.push(handler)
const thislessObservers = this.mobileDeviceEventObservers
return () => {
removeFromArray(thislessObservers, handler)
}
}
addApplicationEventReceiver(handler: ApplicationEventHandler): () => void {
this.applicationEventObservers.push(handler)
const thislessObservers = this.applicationEventObservers
return () => {
removeFromArray(thislessObservers, handler)
}
}
handleThemeSchemeChange(isDark: boolean, bgColor: string): void {
this.isDarkMode = isDark
this.statusBarBgColor = bgColor
this.reloadStatusBarStyle()
}
reloadStatusBarStyle(animated = true) {
if (this.statusBarBgColor && Platform.OS === 'android') {
StatusBar.setBackgroundColor(this.statusBarBgColor, animated)
}
StatusBar.setBarStyle(this.isDarkMode ? 'light-content' : 'dark-content', animated)
}
private notifyMobileDeviceEvent(event: MobileDeviceEvent): void {
for (const handler of this.mobileDeviceEventObservers) {
handler(event)
}
}
notifyApplicationEvent(event: ApplicationEvent): void {
for (const handler of this.applicationEventObservers) {
handler(event)
}
}
// eslint-disable-next-line @typescript-eslint/no-empty-function
performHardReset() {}
isDeviceDestroyed() {
return false
}
async deleteFileAtPathIfExists(path: string) {
if (await exists(path)) {
await unlink(path)
}
}
async shareBase64AsFile(base64: string, filename: string) {
let downloadedTempFilePath: string | undefined
try {
downloadedTempFilePath = await this.downloadBase64AsFile(base64, filename, true)
if (!downloadedTempFilePath) {
return
}
await Share.open({
url: `file://${downloadedTempFilePath}`,
failOnCancel: false,
})
} catch (error) {
this.consoleLog(`${error}`)
} finally {
if (downloadedTempFilePath) {
void this.deleteFileAtPathIfExists(downloadedTempFilePath)
}
}
}
getFileDestinationPath(filename: string, saveInTempLocation: boolean): string {
let directory = DocumentDirectoryPath
if (Platform.OS === 'android') {
directory = saveInTempLocation ? CachesDirectoryPath : DownloadDirectoryPath
}
return `${directory}/${filename}`
}
async downloadBase64AsFile(
base64: string,
filename: string,
saveInTempLocation = false,
): Promise<string | undefined> {
if (Platform.OS === 'android') {
await PermissionsAndroid.request(PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE)
}
try {
const path = this.getFileDestinationPath(filename, saveInTempLocation)
await this.deleteFileAtPathIfExists(path)
await writeFile(path, base64.replace(/data.*base64,/, ''), 'base64')
return path
} catch (error) {
this.consoleLog(`${error}`)
}
}
async previewFile(base64: string, filename: string): Promise<boolean> {
const tempLocation = await this.downloadBase64AsFile(base64, filename, true)
if (!tempLocation) {
this.consoleLog('Error: Could not download file to preview')
return false
}
try {
await FileViewer.open(tempLocation, {
onDismiss: async () => {
await this.deleteFileAtPathIfExists(tempLocation)
},
})
} catch (error) {
this.consoleLog(error)
return false
}
return true
}
exitApp(shouldConfirm?: boolean) {
if (!shouldConfirm) {
SNReactNative.exitApp()
return
}
Alert.alert(
'Close app',
'Do you want to close the app?',
[
{
text: 'Cancel',
style: 'cancel',
// eslint-disable-next-line @typescript-eslint/no-empty-function
onPress: async () => {},
},
{
text: 'Close',
style: 'destructive',
onPress: async () => {
SNReactNative.exitApp()
},
},
],
{
cancelable: true,
},
)
}
registerComponentUrl(componentUuid: UuidString, componentUrl: string) {
this.componentUrls.set(componentUuid, componentUrl)
}
deregisterComponentUrl(componentUuid: UuidString) {
this.componentUrls.delete(componentUuid)
}
isUrlRegisteredComponentUrl(url: string): boolean {
return Array.from(this.componentUrls.values()).includes(url)
}
async getAppState(): Promise<AppStateStatus> {
return AppState.currentState
}
async getColorScheme(): Promise<ColorSchemeName> {
return Appearance.getColorScheme()
}
hideMobileInterfaceFromScreenshots(): void {
hide()
this.setAndroidScreenshotPrivacy(true)
}
stopHidingMobileInterfaceFromScreenshots(): void {
show()
this.setAndroidScreenshotPrivacy(false)
}
}