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Handle preference stores corruption by clearing them (#5086)

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* Handle preference stores corruption by clearing them:
    - Use the centralised `PreferenceDataStoreFactory` instead of `preferences by`.
    - Add `DefaultPreferencesCorruptionHandlerFactory.replaceWithEmpty` to its `create(name)` method so all preference stores are cleared if they're corrupted.

* Add detekt rule to make sure we use `PreferenceDataStoreFactory` instead of `by preferencesDataStore`

* Remove `@SingleIn` annotations as the annotated class no longer have to be singletons
This commit is contained in:
Jorge Martin Espinosa 2025-08-22 08:59:06 +02:00 • committed by GitHub
parent 3faaab407f
commit 8245ad8bc3
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30 changed files with 198 additions and 138 deletions
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31
features/lockscreen/impl/src/main/kotlin/io/element/android/features/lockscreen/impl/storage/PreferencesLockScreenStore.kt
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@ -7,44 +7,39 @@
package io.element.android.features.lockscreen.impl.storage
import android.content.Context
import androidx.datastore.core.DataStore
import androidx.datastore.preferences.core.Preferences
import androidx.datastore.preferences.core.booleanPreferencesKey
import androidx.datastore.preferences.core.edit
import androidx.datastore.preferences.core.intPreferencesKey
import androidx.datastore.preferences.core.stringPreferencesKey
import androidx.datastore.preferences.preferencesDataStore
import com.squareup.anvil.annotations.ContributesBinding
import io.element.android.features.lockscreen.impl.LockScreenConfig
import io.element.android.libraries.di.AppScope
import io.element.android.libraries.di.ApplicationContext
import io.element.android.libraries.di.SingleIn
import io.element.android.libraries.preferences.api.store.PreferenceDataStoreFactory
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.map
import javax.inject.Inject
private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "pin_code_store")
@SingleIn(AppScope::class)
@ContributesBinding(AppScope::class)
class PreferencesLockScreenStore @Inject constructor(
@ApplicationContext private val context: Context,
preferenceDataStoreFactory: PreferenceDataStoreFactory,
private val lockScreenConfig: LockScreenConfig,
) : LockScreenStore {
private val dataStore = preferenceDataStoreFactory.create("pin_code_store")
private val pinCodeKey = stringPreferencesKey("encoded_pin_code")
private val remainingAttemptsKey = intPreferencesKey("remaining_pin_code_attempts")
private val biometricUnlockKey = booleanPreferencesKey("biometric_unlock_enabled")
override suspend fun getRemainingPinCodeAttemptsNumber(): Int {
return context.dataStore.data.map { preferences ->
return dataStore.data.map { preferences ->
preferences.getRemainingPinCodeAttemptsNumber()
}.first()
}
override suspend fun onWrongPin() {
context.dataStore.edit { preferences ->
dataStore.edit { preferences ->
val current = preferences.getRemainingPinCodeAttemptsNumber()
val remaining = (current - 1).coerceAtLeast(0)
preferences[remainingAttemptsKey] = remaining
@ -52,43 +47,43 @@ class PreferencesLockScreenStore @Inject constructor(
}
override suspend fun resetCounter() {
context.dataStore.edit { preferences ->
dataStore.edit { preferences ->
preferences[remainingAttemptsKey] = lockScreenConfig.maxPinCodeAttemptsBeforeLogout
}
}
override suspend fun getEncryptedCode(): String? {
return context.dataStore.data.map { preferences ->
return dataStore.data.map { preferences ->
preferences[pinCodeKey]
}.first()
}
override suspend fun saveEncryptedPinCode(pinCode: String) {
context.dataStore.edit { preferences ->
dataStore.edit { preferences ->
preferences[pinCodeKey] = pinCode
}
}
override suspend fun deleteEncryptedPinCode() {
context.dataStore.edit { preferences ->
dataStore.edit { preferences ->
preferences.remove(pinCodeKey)
}
}
override fun hasPinCode(): Flow<Boolean> {
return context.dataStore.data.map { preferences ->
return dataStore.data.map { preferences ->
preferences[pinCodeKey] != null
}
}
override fun isBiometricUnlockAllowed(): Flow<Boolean> {
return context.dataStore.data.map { preferences ->
return dataStore.data.map { preferences ->
preferences[biometricUnlockKey] ?: false
}
}
override suspend fun setIsBiometricUnlockAllowed(isAllowed: Boolean) {
context.dataStore.edit { preferences ->
dataStore.edit { preferences ->
preferences[biometricUnlockKey] = isAllowed
}
}