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Added biometric authentication dialog / prompt

This commit is contained in:
dankito 2020-10-06 16:55:30 +02:00
parent 269ad0bb33
commit b82d986da2
14 changed files with 149 additions and 11 deletions
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2
build.gradle
View File

@ -71,6 +71,8 @@ ext {
sqlCipherVersion = "4.4.0"
androidXBiometricVersion = "1.0.1"
/* JavaFX */

2
ui/BankingAndroidApp/build.gradle
View File

@ -130,6 +130,8 @@ dependencies {
implementation "com.google.android.material:material:$materialComponentsVersion"
implementation "androidx.constraintlayout:constraintlayout:$constraintLayoutVersion"
implementation "androidx.biometric:biometric:$androidXBiometricVersion"
implementation "com.mikepenz:fastadapter:$fastAdapterVersion"
implementation "com.mikepenz:fastadapter-extensions-binding:$fastAdapterVersion"
implementation "com.mikepenz:fastadapter-extensions-drag:$fastAdapterVersion"

11
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/activities/LoginActivity.kt
View File

@ -32,9 +32,7 @@ open class LoginActivity : BaseActivity() {
protected open fun initUi() {
setContentView(R.layout.activity_login)
val authenticationType = authenticationService.getAuthenticationType()
if (authenticationType == AuthenticationType.Password) {
if (authenticationService.authenticationType == AuthenticationType.Password) {
lytBiometricAuthentication.visibility = View.GONE
btnLogin.setOnClickListener { checkEnteredPasswordAndLogIn() }
@ -43,13 +41,20 @@ open class LoginActivity : BaseActivity() {
lytPasswordAuthentication.visibility = View.GONE
btnBiometricAuthentication.authenticationSuccessful = { biometricAuthenticationSuccessful() }
btnBiometricAuthentication.showBiometricPrompt()
}
}
protected open fun checkEnteredPasswordAndLogIn() {
if (authenticationService.isCorrectUserPassword(edtxtLoginPassword.text)) {
logIn()
}
else {
Toast.makeText(this, R.string.activity_login_incorrect_password_entered, Toast.LENGTH_SHORT).show()
}
}
protected open fun biometricAuthenticationSuccessful() {
logIn()

18
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/authentication/AuthenticationResult.kt Normal file
View File

@ -0,0 +1,18 @@
package net.dankito.banking.ui.android.authentication
open class AuthenticationResult(
open val successful: Boolean,
open val error: String? = null
) {
override fun toString(): String {
return if (successful) {
"Successful"
}
else {
"Error occurred: $error"
}
}
}

9
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/authentication/AuthenticationService.kt
View File

@ -5,12 +5,19 @@ import net.dankito.utils.multiplatform.File
open class AuthenticationService(
protected val biometricAuthenticationService: IBiometricAuthenticationService,
protected val dataFolder: File,
protected val serializer: ISerializer
) {
open val isBiometricAuthenticationSupported: Boolean
get() = true
get() = biometricAuthenticationService.supportsBiometricAuthentication
open var authenticationType: AuthenticationType = AuthenticationType.None
protected set
fun setAuthenticationMethodToBiometric() {
open fun getAuthenticationType(): AuthenticationType {
return AuthenticationType.None

54
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/authentication/BiometricAuthenticationService.kt Normal file
View File

@ -0,0 +1,54 @@
package net.dankito.banking.ui.android.authentication
import android.content.Context
import androidx.biometric.BiometricManager
import androidx.biometric.BiometricPrompt
import androidx.core.content.ContextCompat
import net.dankito.banking.ui.android.R
import net.dankito.banking.ui.android.util.CurrentActivityTracker
open class BiometricAuthenticationService(
protected open val context: Context,
protected open val activityTracker: CurrentActivityTracker,
protected open val biometricManager: BiometricManager = BiometricManager.from(context)
) : IBiometricAuthenticationService {
override val supportsBiometricAuthentication: Boolean
get() = biometricManager.canAuthenticate() == BiometricManager.BIOMETRIC_SUCCESS
override fun authenticate(authenticationResult: (AuthenticationResult) -> Unit) {
activityTracker.currentOrNextActivity { activity ->
val executor = ContextCompat.getMainExecutor(context)
val biometricPrompt = BiometricPrompt(activity, executor,
object : BiometricPrompt.AuthenticationCallback() {
override fun onAuthenticationError(errorCode: Int, errorString: CharSequence) {
super.onAuthenticationError(errorCode, errorString)
authenticationResult(AuthenticationResult(false, errorString.toString()))
}
override fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult) {
super.onAuthenticationSucceeded(result)
authenticationResult(AuthenticationResult(true))
}
override fun onAuthenticationFailed() {
super.onAuthenticationFailed()
authenticationResult(AuthenticationResult(false))
}
})
val promptInfo = BiometricPrompt.PromptInfo.Builder()
.setTitle(context.getString(R.string.activity_login_authenticate_with_biometrics_prompt))
.setDeviceCredentialAllowed(true)
.build()
biometricPrompt.authenticate(promptInfo)
}
}
}

11
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/authentication/IBiometricAuthenticationService.kt Normal file
View File

@ -0,0 +1,11 @@
package net.dankito.banking.ui.android.authentication
interface IBiometricAuthenticationService {
val supportsBiometricAuthentication: Boolean
fun authenticate(authenticationResult: (AuthenticationResult) -> Unit)
}

3
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/di/BankingComponent.kt
View File

@ -12,6 +12,7 @@ import net.dankito.banking.ui.android.dialogs.TransferMoneyDialog
import net.dankito.banking.ui.android.dialogs.settings.ProtectAppSettingsDialog
import net.dankito.banking.ui.android.dialogs.settings.SettingsDialogBase
import net.dankito.banking.ui.android.home.HomeFragment
import net.dankito.banking.ui.android.views.BiometricAuthenticationButton
import javax.inject.Singleton
@ -44,6 +45,8 @@ interface BankingComponent {
fun inject(protectAppSettingsDialog: ProtectAppSettingsDialog)
fun inject(biometricAuthenticationButton: BiometricAuthenticationButton)
fun inject(sendMessageLogDialog: SendMessageLogDialog)
}

12
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/di/BankingModule.kt
View File

@ -18,6 +18,8 @@ import net.dankito.banking.bankfinder.LuceneBankFinder
import net.dankito.banking.persistence.RoomBankingPersistence
import net.dankito.banking.persistence.model.RoomModelCreator
import net.dankito.banking.ui.android.authentication.AuthenticationService
import net.dankito.banking.ui.android.authentication.BiometricAuthenticationService
import net.dankito.banking.ui.android.authentication.IBiometricAuthenticationService
import net.dankito.banking.ui.model.mapper.IModelCreator
import net.dankito.banking.ui.util.CurrencyInfoProvider
import net.dankito.utils.multiplatform.toFile
@ -87,8 +89,14 @@ class BankingModule(private val applicationContext: Context) {
@Provides
@Singleton
fun provideAuthenticationService(@Named(DataFolderKey) dataFolder: File, serializer: ISerializer) : AuthenticationService {
return AuthenticationService(dataFolder, serializer)
fun provideAuthenticationService(biometricAuthenticationService: IBiometricAuthenticationService, @Named(DataFolderKey) dataFolder: File, serializer: ISerializer) : AuthenticationService {
return AuthenticationService(biometricAuthenticationService, dataFolder, serializer)
}
@Provides
@Singleton
fun provideBiometricAuthenticationService(context: Context, currentActivityTracker: CurrentActivityTracker) : IBiometricAuthenticationService {
return BiometricAuthenticationService(context, currentActivityTracker)
}

3
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/dialogs/settings/ProtectAppSettingsDialog.kt
View File

@ -57,7 +57,6 @@ open class ProtectAppSettingsDialog : SettingsDialogBase() {
setupToolbar(this, context.getString(R.string.settings), false)
}
val authenticationType = authenticationService.getAuthenticationType()
val isBiometricAuthenticationSupported = authenticationService.isBiometricAuthenticationSupported
segmentedGroup.doOnNextLayout {
@ -94,7 +93,7 @@ open class ProtectAppSettingsDialog : SettingsDialogBase() {
btnSetAuthenticationMethod.setOnClickListener { setAuthenticationMethod() }
if (authenticationService.isBiometricAuthenticationSupported && authenticationType == AuthenticationType.Biometric) {
if (isBiometricAuthenticationSupported && authenticationService.authenticationType == AuthenticationType.Biometric) {
btnShowBiometricAuthenticationSection.isChecked = true
}
else {

17
ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/views/BiometricAuthenticationButton.kt
View File

@ -6,17 +6,25 @@ import android.view.LayoutInflater
import android.widget.LinearLayout
import kotlinx.android.synthetic.main.view_biometric_authentication_button.view.*
import net.dankito.banking.ui.android.R
import net.dankito.banking.ui.android.authentication.IBiometricAuthenticationService
import net.dankito.banking.ui.android.di.BankingComponent
import javax.inject.Inject
open class BiometricAuthenticationButton @JvmOverloads constructor(
context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
) : LinearLayout(context, attrs, defStyleAttr) {
@Inject
protected lateinit var biometricAuthenticationService: IBiometricAuthenticationService
open var authenticationSuccessful: (() -> Unit)? = null
init {
BankingComponent.component.inject(this)
setupUi(context)
}
@ -30,7 +38,16 @@ open class BiometricAuthenticationButton @JvmOverloads constructor(
}
protected open fun doBiometricAuthenticationAndLogIn() {
biometricAuthenticationService.authenticate { result ->
if (result.successful) {
authenticationSuccessful?.invoke()
}
}
}
open fun showBiometricPrompt() {
doBiometricAuthenticationAndLogIn()
}
}

10
ui/BankingAndroidApp/src/main/res/drawable/ic_baseline_fingerprint_24.xml Normal file
View File

@ -0,0 +1,10 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="?attr/colorControlNormal">
<path
android:fillColor="@android:color/white"
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</vector>

3
ui/BankingAndroidApp/src/main/res/values-de/strings.xml
View File

@ -44,7 +44,8 @@
<string name="activity_login_authenticate_with_password_prompt">Geben Sie Ihr Passwort ein</string>
<string name="activity_login_authenticate_with_password_hint">Passwort eingeben</string>
<string name="activity_login_login_button_title">Anmelden</string>
<string name="activity_login_authenticate_with_biometrics_prompt">Mit Fingerabdruck oder Gesichtserkennung authentifizieren</string>
<string name="activity_login_authenticate_with_biometrics_prompt">Authentifizieren Sie sich per Fingerabdruck oder Gesichtserkennung</string>
<string name="activity_login_incorrect_password_entered">Falsches Passwort eingegeben</string>
<string name="navigation_drawer_open">Seitenleiste öffnen</string>

1
ui/BankingAndroidApp/src/main/res/values/strings.xml
View File

@ -45,6 +45,7 @@
<string name="activity_login_authenticate_with_password_hint">Enter your password</string>
<string name="activity_login_login_button_title">Login</string>
<string name="activity_login_authenticate_with_biometrics_prompt">Authenticate with fingerprint or face recognition</string>
<string name="activity_login_incorrect_password_entered">Incorrect password entered</string>
<string name="navigation_drawer_open">Open navigation drawer</string>