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Delete user-specific preference xml file on logout

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This commit is contained in:
maxmoney21m 2023-03-12 12:00:01 +08:00
parent e472a494a1
commit 992796a7bf
1 changed files with 29 additions and 13 deletions
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42
app/src/main/java/com/vitorpamplona/amethyst/LocalPreferences.kt
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@ -1,5 +1,6 @@
package com.vitorpamplona.amethyst
import android.annotation.SuppressLint
import android.content.Context
import android.content.SharedPreferences
import com.google.gson.GsonBuilder
@ -12,9 +13,12 @@ import com.vitorpamplona.amethyst.service.model.Event
import com.vitorpamplona.amethyst.service.model.Event.Companion.getRefinedEvent
import nostr.postr.Persona
import nostr.postr.toHex
import java.io.File
import java.util.Locale
// MUST BE SET TO FALSE FOR PRODUCTION!!!!!
// Release mode (!BuildConfig.DEBUG) always uses encrypted preferences
// To use plaintext SharedPreferences for debugging, set this to true
// It will only apply in Debug builds
const val DEBUG_PLAINTEXT_PREFERENCES = true
data class AccountInfo(val npub: String, val current: Boolean, val displayName: String?, val profilePicture: String?)
@ -62,6 +66,9 @@ object LocalPreferences {
}.apply()
}
/**
* Removes the account from the app level shared preferences
*/
private fun removeAccount(npub: String) {
val accounts = savedAccounts.toMutableSet()
accounts.remove(npub)
@ -71,8 +78,21 @@ object LocalPreferences {
}.apply()
}
/**
* Deletes the npub-specific shared preference file
*/
private fun deleteUserPreferenceFile(npub: String) {
val context = Amethyst.instance
val prefsDir = File("${context.filesDir.parent}/shared_prefs/")
prefsDir.list()?.forEach {
if (it.contains(npub)) {
File(prefsDir, it).delete()
}
}
}
private fun encryptedPreferences(npub: String? = null): SharedPreferences {
return if (DEBUG_PLAINTEXT_PREFERENCES) {
return if (BuildConfig.DEBUG && DEBUG_PLAINTEXT_PREFERENCES) {
val preferenceFile = if (npub == null) "testing_only" else "testing_only_$npub"
Amethyst.instance.getSharedPreferences(preferenceFile, Context.MODE_PRIVATE)
} else {
@ -80,10 +100,16 @@ object LocalPreferences {
}
}
/**
* Clears the preferences for a given npub, deletes the preferences xml file,
* and switches the user to the first account in the list if it exists
*/
@SuppressLint("ApplySharedPref")
fun clearEncryptedStorage(npub: String) {
val userPrefs = encryptedPreferences(npub)
userPrefs.edit().clear().apply()
userPrefs.edit().clear().commit()
removeAccount(npub)
deleteUserPreferenceFile(npub)
if (savedAccounts.isEmpty()) {
val appPrefs = encryptedPreferences()
@ -91,16 +117,6 @@ object LocalPreferences {
} else if (currentAccount == npub) {
currentAccount = savedAccounts.elementAt(0)
}
// encPrefs.edit().apply {
// encPrefs.all.keys.forEach {
// remove(it)
// }
// encryptedPreferences.all.keys.filter {
// it.startsWith(npub)
// }.forEach {
// remove(it)
// }
// }.apply()
}
fun findAllLocalAccounts(): List<AccountInfo> {