mirror of
https://github.com/greenart7c3/Amber.git
synced 2026-10-06 03:18:23 +00:00
Claude
75de5f3e0a
Make loadPinFromEncryptedStorage and savePinToEncryptedStorage suspend functions, and update all callers (SecurityScreen, ConfirmPinScreen, BiometricAuthScreen) to use coroutine scopes instead of blocking the calling thread. https://claude.ai/code/session_01TeTHfGJL42J7eHCDdhsDnP
473 lines
17 KiB
Kotlin
473 lines
17 KiB
Kotlin
package com.greenart7c3.nostrsigner
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import android.annotation.SuppressLint
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import android.content.Context
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import android.content.SharedPreferences
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import android.util.Log
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import androidx.appcompat.app.AppCompatDelegate
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import androidx.compose.runtime.Immutable
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import androidx.core.content.edit
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import androidx.core.os.LocaleListCompat
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import com.greenart7c3.nostrsigner.models.Account
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import com.greenart7c3.nostrsigner.models.AmberSettings
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import com.greenart7c3.nostrsigner.models.defaultAppRelays
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import com.greenart7c3.nostrsigner.models.defaultIndexerRelays
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import com.greenart7c3.nostrsigner.okhttp.HttpClientManager
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import com.greenart7c3.nostrsigner.ui.parseBiometricsTimeType
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import com.vitorpamplona.quartz.nip01Core.core.hexToByteArray
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import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
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import com.vitorpamplona.quartz.nip01Core.relay.normalizer.RelayUrlNormalizer
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import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerInternal
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import com.vitorpamplona.quartz.nip19Bech32.toNpub
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import com.vitorpamplona.quartz.utils.cache.LargeCache
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import java.io.File
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.runBlocking
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private enum class PrefKeys(val key: String) {
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NOSTR_PUBKEY("nostr_pubkey"),
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ACCOUNT_NAME("account_name"),
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SIGN_POLICY("default_sign_policy"),
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PROFILE_URL("profile_url"),
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LAST_METADATA_UPDATE("last_metadata_update"),
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LAST_CHECK("last_check"),
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DID_BACKUP("did_backup"),
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}
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private enum class SettingsKeys(val key: String) {
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DEFAULT_RELAYS("default_relays"),
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DEFAULT_PROFILE_RELAYS("default_profile_relays"),
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LAST_BIOMETRICS_TIME("last_biometrics_time"),
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USE_AUTH("use_auth"),
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BIOMETRICS_TYPE("biometrics_type"),
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USE_PIN("use_pin"),
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RATIONALE("rationale"),
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CURRENT_ACCOUNT("currently_logged_in_account"),
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PIN("pin"),
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SAVED_ACCOUNTS("all_saved_accounts"),
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USE_PROXY("use_proxy"),
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PROXY_PORT("proxy_port"),
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BATERRY_OPTIMIZATION("battery_optimization"),
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KILL_SWITCH("kill_switch"),
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LANGUAGE_PREFS("languagePreferences"),
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}
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@Immutable
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data class AccountInfo(
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val npub: String,
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val hasPrivKey: Boolean,
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)
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object LocalPreferences {
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private const val COMMA = ","
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private var currentAccount: String? = null
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private var accountCache = LargeCache<String, Account>()
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fun allSavedAccounts(context: Context): List<AccountInfo> = savedAccounts(context).map { npub ->
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AccountInfo(
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npub,
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true,
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)
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}.toSet().toList()
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fun currentAccount(context: Context): String? {
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if (currentAccount == null) {
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Log.d(Amber.TAG, "currentAccount is null fetching from shared preferences")
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currentAccount = sharedPrefs(context).getString(SettingsKeys.CURRENT_ACCOUNT.key, null)
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if (currentAccount == null) {
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Log.d(Amber.TAG, "currentAccount is null fetching from all saved accounts")
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currentAccount = allSavedAccounts(context).firstOrNull()?.npub
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}
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}
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return currentAccount
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}
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private fun updateCurrentAccount(context: Context, npub: String) {
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if (currentAccount != npub) {
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currentAccount = npub
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sharedPrefs(context).edit {
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apply {
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putString(SettingsKeys.CURRENT_ACCOUNT.key, npub)
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}
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}
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}
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}
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fun shouldShowRationale(context: Context): Boolean? {
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if (!sharedPrefs(context).contains(SettingsKeys.RATIONALE.key)) {
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return null
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}
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return sharedPrefs(context).getBoolean(SettingsKeys.RATIONALE.key, true)
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}
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fun updateShouldShowRationale(context: Context, value: Boolean) {
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sharedPrefs(context).edit {
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apply {
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putBoolean(SettingsKeys.RATIONALE.key, value)
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}
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}
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}
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fun saveSettingsToEncryptedStorage(settings: AmberSettings) {
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val context = Amber.instance
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sharedPrefs(context).edit {
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apply {
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putStringSet(SettingsKeys.DEFAULT_RELAYS.key, settings.defaultRelays.map { it.url }.toSet())
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putStringSet(SettingsKeys.DEFAULT_PROFILE_RELAYS.key, settings.defaultProfileRelays.map { it.url }.toSet())
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putLong(SettingsKeys.LAST_BIOMETRICS_TIME.key, settings.lastBiometricsTime)
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putBoolean(SettingsKeys.USE_AUTH.key, settings.useAuth)
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putInt(SettingsKeys.BIOMETRICS_TYPE.key, settings.biometricsTimeType.screenCode)
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putBoolean(SettingsKeys.USE_PIN.key, settings.usePin)
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putBoolean(SettingsKeys.USE_PROXY.key, settings.useProxy)
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putInt(SettingsKeys.PROXY_PORT.key, settings.proxyPort)
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putBoolean(SettingsKeys.KILL_SWITCH.key, settings.killSwitch.value)
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putString(SettingsKeys.LANGUAGE_PREFS.key, settings.language)
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}
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}
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}
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fun getBatteryOptimization(context: Context): Boolean = sharedPrefs(context).getBoolean(SettingsKeys.BATERRY_OPTIMIZATION.key, false)
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fun updateBatteryOptimization(context: Context, value: Boolean) {
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sharedPrefs(context).edit {
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apply {
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putBoolean(SettingsKeys.BATERRY_OPTIMIZATION.key, value)
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}
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}
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}
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fun getLastCheck(context: Context, npub: String): Long = sharedPrefs(context, npub).getLong(PrefKeys.LAST_CHECK.key, 0)
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fun setLastCheck(context: Context, npub: String, time: Long) {
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sharedPrefs(context, npub).edit {
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apply {
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putLong(PrefKeys.LAST_CHECK.key, time)
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}
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}
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}
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fun getLastMetadataUpdate(context: Context, npub: String): Long = sharedPrefs(context, npub).getLong(PrefKeys.LAST_METADATA_UPDATE.key, 0)
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fun setLastMetadataUpdate(context: Context, npub: String, time: Long) {
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sharedPrefs(context, npub).edit {
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apply {
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putLong(PrefKeys.LAST_METADATA_UPDATE.key, time)
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}
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}
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}
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suspend fun loadPinFromEncryptedStorage(): String? {
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val context = Amber.instance
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// Migration: move PIN from plain SharedPreferences to encrypted DataStore
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val legacyPin = sharedPrefs(context).getString(SettingsKeys.PIN.key, null)
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if (legacyPin != null) {
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DataStoreAccess.savePin(context, legacyPin)
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sharedPrefs(context).edit { remove(SettingsKeys.PIN.key) }
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}
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return DataStoreAccess.loadPin(context)
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}
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suspend fun savePinToEncryptedStorage(pin: String?) {
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val context = Amber.instance
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DataStoreAccess.savePin(context, pin)
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}
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suspend fun reloadApp() {
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val context = Amber.instance
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currentAccount = null
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savedAccounts = null
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accountCache.clear()
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allSavedAccounts(context).forEach {
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loadFromEncryptedStorage(context, it.npub)
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}
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context.settings = loadSettingsFromEncryptedStorage(context)
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context.settings.language?.let {
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AppCompatDelegate.setApplicationLocales(
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LocaleListCompat.forLanguageTags(it),
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)
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}
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}
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fun loadSettingsFromEncryptedStorage(context: Context = Amber.instance): AmberSettings {
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checkNotInMainThread()
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sharedPrefs(context).apply {
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val proxyPort = getInt(SettingsKeys.PROXY_PORT.key, 9050)
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HttpClientManager.setDefaultProxyOnPort(proxyPort)
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return AmberSettings(
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defaultRelays = getStringSet(SettingsKeys.DEFAULT_RELAYS.key, null)?.mapNotNull {
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RelayUrlNormalizer.normalizeOrNull(it)
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} ?: defaultAppRelays,
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defaultProfileRelays = getStringSet(SettingsKeys.DEFAULT_PROFILE_RELAYS.key, null)?.mapNotNull {
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RelayUrlNormalizer.normalizeOrNull(it)
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} ?: defaultIndexerRelays,
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lastBiometricsTime = getLong(SettingsKeys.LAST_BIOMETRICS_TIME.key, 0),
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useAuth = getBoolean(SettingsKeys.USE_AUTH.key, false),
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biometricsTimeType = parseBiometricsTimeType(getInt(SettingsKeys.BIOMETRICS_TYPE.key, 0)),
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usePin = getBoolean(SettingsKeys.USE_PIN.key, false),
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useProxy = getBoolean(SettingsKeys.USE_PROXY.key, false),
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proxyPort = getInt(SettingsKeys.PROXY_PORT.key, 9050),
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killSwitch = MutableStateFlow(getBoolean(SettingsKeys.KILL_SWITCH.key, false)),
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language = getString(SettingsKeys.LANGUAGE_PREFS.key, null),
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)
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}
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}
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private var savedAccounts: List<String>? = null
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private fun savedAccounts(context: Context): List<String> {
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if (savedAccounts == null) {
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savedAccounts = sharedPrefs(context)
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.getString(SettingsKeys.SAVED_ACCOUNTS.key, null)?.split(COMMA) ?: listOf()
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}
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return savedAccounts!!
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}
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private fun updateSavedAccounts(context: Context, accounts: List<String>) {
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if (savedAccounts != accounts) {
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savedAccounts = accounts
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sharedPrefs(context).edit {
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apply {
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putString(SettingsKeys.SAVED_ACCOUNTS.key, accounts.joinToString(COMMA).ifBlank { null })
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}
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}
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}
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}
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private fun getDirPath(context: Context): String = "${context.filesDir.parent}/shared_prefs/"
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private fun addAccount(context: Context, npub: String) {
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val accounts = savedAccounts(context).toMutableList()
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if (npub !in accounts) {
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accounts.add(npub)
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updateSavedAccounts(context, accounts)
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}
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}
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private fun setCurrentAccount(context: Context, account: Account) {
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updateCurrentAccount(context, account.npub)
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addAccount(context, account.npub)
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}
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fun switchToAccount(context: Context, npub: String) {
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updateCurrentAccount(context, npub)
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}
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fun containsAccount(context: Context, npub: String): Boolean = savedAccounts(context).contains(npub)
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/**
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* Removes the account from the app level shared preferences
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*/
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private fun removeAccount(context: Context, npub: String) {
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val accounts = savedAccounts(context).toMutableList()
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if (accounts.remove(npub)) {
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updateSavedAccounts(context, accounts)
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}
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}
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/**
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* Deletes the npub-specific shared preference file
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*/
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private fun deleteUserPreferenceFile(context: Context, npub: String) {
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val prefsDir = File(getDirPath(context))
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prefsDir.list()?.forEach {
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if (it.contains(npub)) {
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try {
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val result = File(prefsDir, it).delete()
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Log.d(Amber.TAG, "deleted $it: $result")
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} catch (e: Exception) {
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Log.d(Amber.TAG, "failed to delete $it", e)
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}
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}
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}
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}
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private fun sharedPrefs(
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context: Context,
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npub: String? = null,
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): SharedPreferences {
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val preferenceFile = if (npub == null) "prefs" else "prefs_$npub"
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return context.getSharedPreferences(preferenceFile, Context.MODE_PRIVATE)
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}
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private suspend fun deleteUserDataStoreFile(context: Context, npub: String) {
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DataStoreAccess.clearCacheForNpub(context, npub)
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}
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/**
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* Clears the preferences for a given npub, deletes the preferences xml file,
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* and switches the user to the first account in the list if it exists
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*
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* We need to use `commit()` to write changes to disk and release the file
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* lock so that it can be deleted. If we use `apply()` there is a race
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* condition and the file will probably not be deleted
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*/
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@SuppressLint("ApplySharedPref")
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fun updatePrefsForLogout(npub: String, context: Context): Boolean {
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accountCache.remove(npub)
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val userPrefs = sharedPrefs(context, npub)
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userPrefs.edit(commit = true) { clear() }
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removeAccount(context, npub)
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deleteUserPreferenceFile(context, npub)
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runBlocking { deleteUserDataStoreFile(context, npub) }
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if (savedAccounts(context).isEmpty()) {
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val appPrefs = sharedPrefs(context)
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appPrefs.edit(commit = true) { clear() }
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return true
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} else if (currentAccount(context) == npub) {
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updateCurrentAccount(context, savedAccounts(context).elementAt(0))
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return false
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}
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return false
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}
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suspend fun updatePrefsForLogin(
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context: Context,
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account: Account,
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pubKey: String?,
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privKey: String?,
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seedWords: String?,
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) {
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saveToEncryptedStorage(context, account, pubKey, privKey, seedWords)
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setCurrentAccount(context, account)
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}
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suspend fun saveToEncryptedStorage(
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context: Context,
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account: Account,
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pubKey: String?,
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privKey: String?,
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seedWords: String?,
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) {
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privKey?.let {
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DataStoreAccess.saveEncryptedKey(context, account.npub, DataStoreAccess.NOSTR_PRIVKEY, it)
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}
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seedWords?.let {
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DataStoreAccess.saveEncryptedKey(
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context,
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account.npub,
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DataStoreAccess.SEED_WORDS,
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seedWords,
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)
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}
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val prefs = sharedPrefs(context = context, account.npub)
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prefs.edit {
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apply {
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pubKey?.let { putString(PrefKeys.NOSTR_PUBKEY.key, it) }
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putString(PrefKeys.ACCOUNT_NAME.key, account.name.value)
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putString(PrefKeys.PROFILE_URL.key, account.picture.value)
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putInt(PrefKeys.SIGN_POLICY.key, account.signPolicy)
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putBoolean(PrefKeys.DID_BACKUP.key, account.didBackup)
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}
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}
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accountCache.put(account.npub, account)
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}
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suspend fun loadFromEncryptedStorage(context: Context): Account? {
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currentAccount(context)?.let {
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return loadFromEncryptedStorage(context, it)
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}
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return null
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}
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fun allCachedAccounts(): List<Account> = accountCache.values().toList()
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suspend fun allAccounts(context: Context): List<Account> {
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val accountInfos = allSavedAccounts(context)
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return accountInfos.mapNotNull {
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loadFromEncryptedStorage(context, it.npub)
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}
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}
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fun loadFromEncryptedStorageSync(context: Context, npub: String? = null): Account? {
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if (savedAccounts == null || accountCache.size() == 0 || savedAccounts?.size != accountCache.size()) {
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Log.d(Amber.TAG, "accountCache is null loading accounts")
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runBlocking {
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allSavedAccounts(context).forEach {
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loadFromEncryptedStorage(context, it.npub)
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}
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}
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}
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if (npub == null) {
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val currentAccount = currentAccount(context) ?: return null
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return accountCache.get(currentAccount)
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}
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return accountCache.get(npub)
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}
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fun setAccountName(
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context: Context,
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npub: String,
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value: String,
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) {
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sharedPrefs(context, npub).edit {
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apply {
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putString(PrefKeys.ACCOUNT_NAME.key, value)
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}
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}
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accountCache.get(npub)?.name?.tryEmit(value)
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}
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fun getAccountName(context: Context, npub: String): String {
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sharedPrefs(context, npub).apply {
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return getString(PrefKeys.ACCOUNT_NAME.key, "") ?: ""
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}
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}
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fun updateProxy(
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context: Context,
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useProxy: Boolean,
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port: Int,
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) {
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sharedPrefs(context).edit {
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apply {
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putBoolean(SettingsKeys.USE_PROXY.key, useProxy)
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putInt(SettingsKeys.PROXY_PORT.key, port)
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}
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}
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Amber.instance.settings = loadSettingsFromEncryptedStorage()
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HttpClientManager.setDefaultProxyOnPort(port)
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}
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suspend fun loadFromEncryptedStorage(context: Context, npub: String): Account? {
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if (accountCache.get(npub) != null) {
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return accountCache.get(npub)
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}
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if (!containsAccount(context, npub)) {
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return null
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}
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val privKey = DataStoreAccess.getEncryptedKey(
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context,
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npub,
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DataStoreAccess.NOSTR_PRIVKEY,
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)
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sharedPrefs(context, npub).apply {
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val pubKey = getString(PrefKeys.NOSTR_PUBKEY.key, null) ?: return null
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val name = getString(PrefKeys.ACCOUNT_NAME.key, "") ?: ""
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val picture = getString(PrefKeys.PROFILE_URL.key, "") ?: ""
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val signPolicy = getInt(PrefKeys.SIGN_POLICY.key, 1)
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val didBackup = getBoolean(PrefKeys.DID_BACKUP.key, true)
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val account =
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Account(
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signer = NostrSignerInternal(KeyPair(privKey.hexToByteArray())),
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hexKey = pubKey,
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npub = pubKey.hexToByteArray().toNpub(),
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name = MutableStateFlow(name),
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picture = MutableStateFlow(picture),
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signPolicy = signPolicy,
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didBackup = didBackup,
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)
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accountCache.put(npub, account)
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return account
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}
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}
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}
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