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Disable 'Enable biometrics' option if there are not biometric authenticators enrolled. (#6714)

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* Disable 'Enable biometrics' option if there are not biometric authenticators enrolled.

* Improve biometric pref enabled check

* Fix changelog issue

* Address review comments. Add extra catch clauses to key migrations.

* Add tests for key migrators
This commit is contained in:
Jorge Martin Espinosa 2022-08-02 15:31:08 +02:00 committed by GitHub
parent 1497650146
commit c848615636
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 57 additions and 15 deletions
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1
changelog.d/6713.bugfix Normal file
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@ -0,0 +1 @@
Disable 'Enable biometrics' option if there are not biometric authenticators enrolled.

9
vector/src/androidTest/java/im/vector/app/features/pin/lockscreen/crypto/KeyStoreCryptoTests.kt
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@ -18,6 +18,7 @@ package im.vector.app.features.pin.lockscreen.crypto
import android.os.Build
import android.security.keystore.KeyPermanentlyInvalidatedException
import android.security.keystore.UserNotAuthenticatedException
import androidx.test.platform.app.InstrumentationRegistry
import im.vector.app.TestBuildVersionSdkIntProvider
import io.mockk.every
@ -69,10 +70,12 @@ class KeyStoreCryptoTests {
runCatching { keyStoreCrypto.ensureKey() }
keyStoreCrypto.hasValidKey() shouldBe true
val exception = KeyPermanentlyInvalidatedException()
every { secretStoringUtils.getEncryptCipher(any()) } throws exception
val keyInvalidatedException = KeyPermanentlyInvalidatedException()
every { secretStoringUtils.getEncryptCipher(any()) } throws keyInvalidatedException
keyStoreCrypto.hasValidKey() shouldBe false
runCatching { keyStoreCrypto.ensureKey() }
val userNotAuthenticatedException = UserNotAuthenticatedException()
every { secretStoringUtils.getEncryptCipher(any()) } throws userNotAuthenticatedException
keyStoreCrypto.hasValidKey() shouldBe false
}

3
vector/src/main/java/im/vector/app/features/pin/lockscreen/crypto/KeyStoreCrypto.kt
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@ -20,6 +20,7 @@ import android.annotation.SuppressLint
import android.content.Context
import android.os.Build
import android.security.keystore.KeyPermanentlyInvalidatedException
import android.security.keystore.UserNotAuthenticatedException
import android.util.Base64
import androidx.annotation.VisibleForTesting
import androidx.biometric.BiometricPrompt
@ -117,6 +118,8 @@ class KeyStoreCrypto @AssistedInject constructor(
true
} catch (e: KeyPermanentlyInvalidatedException) {
false
} catch (e: UserNotAuthenticatedException) {
false
}
} else {
keyExists

5
vector/src/main/java/im/vector/app/features/pin/lockscreen/crypto/migrations/MissingSystemKeyMigrator.kt
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@ -19,6 +19,7 @@ package im.vector.app.features.pin.lockscreen.crypto.migrations
import android.annotation.SuppressLint
import android.os.Build
import android.security.keystore.KeyPermanentlyInvalidatedException
import android.security.keystore.UserNotAuthenticatedException
import im.vector.app.features.pin.lockscreen.crypto.KeyStoreCrypto
import im.vector.app.features.pin.lockscreen.di.BiometricKeyAlias
import im.vector.app.features.settings.VectorPreferences
@ -45,7 +46,9 @@ class MissingSystemKeyMigrator @Inject constructor(
try {
keystoreCryptoFactory.provide(systemKeyAlias, true).ensureKey()
} catch (e: KeyPermanentlyInvalidatedException) {
Timber.e("Could not automatically create biometric key.", e)
Timber.e("Could not automatically create biometric key because it was invalidated.", e)
} catch (e: UserNotAuthenticatedException) {
Timber.e("Could not automatically create biometric key because there are no enrolled biometric authenticators.", e)
}
}
}

8
vector/src/main/java/im/vector/app/features/pin/lockscreen/crypto/migrations/SystemKeyV1Migrator.kt
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@ -17,9 +17,11 @@
package im.vector.app.features.pin.lockscreen.crypto.migrations
import android.os.Build
import android.security.keystore.UserNotAuthenticatedException
import androidx.annotation.RequiresApi
import im.vector.app.features.pin.lockscreen.crypto.KeyStoreCrypto
import im.vector.app.features.pin.lockscreen.di.BiometricKeyAlias
import timber.log.Timber
import java.security.KeyStore
import javax.inject.Inject
@ -39,7 +41,11 @@ class SystemKeyV1Migrator @Inject constructor(
fun migrate() {
keyStore.deleteEntry(SYSTEM_KEY_ALIAS_V1)
val systemKeyStoreCrypto = keystoreCryptoFactory.provide(systemKeyAlias, keyNeedsUserAuthentication = true)
systemKeyStoreCrypto.ensureKey()
try {
systemKeyStoreCrypto.ensureKey()
} catch (e: UserNotAuthenticatedException) {
Timber.e("Could not migrate v1 biometric key because there are no enrolled biometric authenticators.", e)
}
}
/**

2
vector/src/main/java/im/vector/app/features/pin/lockscreen/ui/LockScreenFragment.kt
View file

@ -59,7 +59,7 @@ class LockScreenFragment : VectorBaseFragment<FragmentLockScreenBinding>() {
if (state.lockScreenConfiguration.mode == LockScreenMode.CREATE) return@withState
viewLifecycleOwner.lifecycleScope.launchWhenResumed {
if (state.isBiometricKeyInvalidated) {
if (state.canUseBiometricAuth && state.isBiometricKeyInvalidated) {
lockScreenListener?.onBiometricKeyInvalidated()
} else if (state.showBiometricPromptAutomatically) {
showBiometricPrompt()

16
vector/src/main/java/im/vector/app/features/settings/VectorSettingsPinFragment.kt
View file

@ -60,17 +60,16 @@ class VectorSettingsPinFragment @Inject constructor(
findPreference<SwitchPreference>(VectorPreferences.SETTINGS_SECURITY_USE_BIOMETRICS_FLAG)!!
}
private fun shouldCheckBiometricPref(isPinCodeChecked: Boolean): Boolean {
return isPinCodeChecked && // Biometric auth depends on PIN auth
biometricHelper.isSystemAuthEnabledAndValid &&
biometricHelper.isSystemKeyValid
private fun updateBiometricPrefState(isPinCodeChecked: Boolean) {
// Biometric auth depends on PIN auth
useBiometricPref.isEnabled = isPinCodeChecked && biometricHelper.canUseAnySystemAuth
useBiometricPref.isChecked = isPinCodeChecked && biometricHelper.isSystemAuthEnabledAndValid
}
override fun onResume() {
super.onResume()
useBiometricPref.isEnabled = usePinCodePref.isChecked
useBiometricPref.isChecked = shouldCheckBiometricPref(usePinCodePref.isChecked)
updateBiometricPrefState(isPinCodeChecked = usePinCodePref.isChecked)
}
override fun bindPref() {
@ -78,8 +77,7 @@ class VectorSettingsPinFragment @Inject constructor(
usePinCodePref.setOnPreferenceChangeListener { _, value ->
val isChecked = (value as? Boolean).orFalse()
useBiometricPref.isEnabled = isChecked
useBiometricPref.isChecked = shouldCheckBiometricPref(isChecked)
updateBiometricPrefState(isPinCodeChecked = isChecked)
if (!isChecked) {
disableBiometricAuthentication()
}
@ -104,7 +102,7 @@ class VectorSettingsPinFragment @Inject constructor(
}.onFailure {
showEnableBiometricErrorMessage()
}
useBiometricPref.isChecked = shouldCheckBiometricPref(usePinCodePref.isChecked)
updateBiometricPrefState(isPinCodeChecked = usePinCodePref.isChecked)
}
false
} else {

12
vector/src/test/java/im/vector/app/features/pin/lockscreen/crypto/migrations/MissingSystemKeyMigratorTests.kt
View file

@ -18,6 +18,7 @@ package im.vector.app.features.pin.lockscreen.crypto.migrations
import android.os.Build
import android.security.keystore.KeyPermanentlyInvalidatedException
import android.security.keystore.UserNotAuthenticatedException
import im.vector.app.features.pin.lockscreen.crypto.KeyStoreCrypto
import im.vector.app.features.settings.VectorPreferences
import im.vector.app.test.TestBuildVersionSdkIntProvider
@ -59,6 +60,17 @@ class MissingSystemKeyMigratorTests {
invoking { missingSystemKeyMigrator.migrate() } shouldNotThrow KeyPermanentlyInvalidatedException::class
}
@Test
fun migrateHandlesUserNotAuthenticatedExceptions() {
val keyStoreCryptoMock = mockk<KeyStoreCrypto> {
every { ensureKey() } throws UserNotAuthenticatedException()
}
every { keyStoreCryptoFactory.provide(any(), any()) } returns keyStoreCryptoMock
every { vectorPreferences.useBiometricsToUnlock() } returns true
invoking { missingSystemKeyMigrator.migrate() } shouldNotThrow UserNotAuthenticatedException::class
}
@Test
fun migrateReturnsEarlyIfBiometricAuthIsDisabled() {
val keyStoreCryptoMock = mockk<KeyStoreCrypto> {

16
vector/src/test/java/im/vector/app/features/pin/lockscreen/crypto/migrations/SystemKeyV1MigratorTests.kt
View file

@ -16,11 +16,14 @@
package im.vector.app.features.pin.lockscreen.crypto.migrations
import android.security.keystore.UserNotAuthenticatedException
import im.vector.app.features.pin.lockscreen.crypto.KeyStoreCrypto
import io.mockk.every
import io.mockk.mockk
import io.mockk.verify
import org.amshove.kluent.invoking
import org.amshove.kluent.shouldBe
import org.amshove.kluent.shouldNotThrow
import org.junit.Test
import java.security.KeyStore
@ -39,6 +42,19 @@ class SystemKeyV1MigratorTests {
systemKeyV1Migrator.isMigrationNeeded() shouldBe false
}
@Test
fun migrateHandlesUserNotAuthenticatedException() {
val keyStoreCryptoMock = mockk<KeyStoreCrypto> {
every { ensureKey() } throws UserNotAuthenticatedException()
}
every { keyStoreCryptoFactory.provide("vector.system_new", any()) } returns keyStoreCryptoMock
invoking { systemKeyV1Migrator.migrate() } shouldNotThrow UserNotAuthenticatedException::class
verify { keyStore.deleteEntry(SystemKeyV1Migrator.SYSTEM_KEY_ALIAS_V1) }
verify { keyStoreCryptoMock.ensureKey() }
}
@Test
fun migrateDeletesOldEntryAndEnsuresNewKey() {
val keyStoreCryptoMock = mockk<KeyStoreCrypto> {