mirror of
https://github.com/vitorpamplona/amethyst.git
synced 2025-11-10 11:07:24 +01:00
Beginnings for the migration to DataStore
This commit is contained in:
Vitor Pamplona
@@ -237,6 +237,7 @@ dependencies {
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// Encrypted Key Storage
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implementation libs.androidx.security.crypto.ktx
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implementation libs.androidx.datastore.preferences
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// view videos
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implementation libs.androidx.media3.exoplayer
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@@ -0,0 +1,82 @@
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/**
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* Copyright (c) 2025 Vitor Pamplona
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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||||
* this software and associated documentation files (the "Software"), to deal in
|
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* the Software without restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
|
||||
* Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package com.vitorpamplona.amethyst.model.preferences
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import androidx.datastore.core.DataStore
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import androidx.datastore.preferences.core.PreferenceDataStoreFactory
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import androidx.datastore.preferences.core.Preferences
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import androidx.datastore.preferences.core.stringPreferencesKey
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import com.vitorpamplona.quartz.utils.LargeCache
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import java.io.File
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class AccountPreferenceStores(
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val rootFilesDir: () -> File,
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) {
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companion object {
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val defaultHomeFollowList = stringPreferencesKey("defaultHomeFollowList")
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val defaultStoriesFollowList = stringPreferencesKey("defaultStoriesFollowList")
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val defaultNotificationFollowList = stringPreferencesKey("defaultNotificationFollowList")
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val defaultDiscoveryFollowList = stringPreferencesKey("defaultDiscoveryFollowList")
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val localRelayServers = stringPreferencesKey("localRelayServers")
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val defaultFileServer = stringPreferencesKey("defaultFileServer")
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val latestUserMetadata = stringPreferencesKey("latestUserMetadata")
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val latestContactList = stringPreferencesKey("latestContactList")
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val latestDMRelayList = stringPreferencesKey("latestDMRelayList")
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val latestNIP65RelayList = stringPreferencesKey("latestNIP65RelayList")
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val latestSearchRelayList = stringPreferencesKey("latestSearchRelayList")
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val latestBlockedRelayList = stringPreferencesKey("latestBlockedRelayList")
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val latestTrustedRelayList = stringPreferencesKey("latestTrustedRelayList")
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val latestMuteList = stringPreferencesKey("latestMuteList")
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val latestPrivateHomeRelayList = stringPreferencesKey("latestPrivateHomeRelayList")
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val latestAppSpecificData = stringPreferencesKey("latestAppSpecificData")
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val latestChannelList = stringPreferencesKey("latestChannelList")
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val latestCommunityList = stringPreferencesKey("latestCommunityList")
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val latestHashtagList = stringPreferencesKey("latestHashtagList")
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val latestGeohashList = stringPreferencesKey("latestGeohashList")
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val latestEphemeralChatList = stringPreferencesKey("latestEphemeralChatList")
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val hideDeleteRequestDialog = stringPreferencesKey("hideDeleteRequestDialog")
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val hideBlockAlertDialog = stringPreferencesKey("hideBlockAlertDialog")
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val hideNip17WarningDialog = stringPreferencesKey("hideNip17WarningDialog")
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val torSettings = stringPreferencesKey("tor_settings")
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val hasDonatedInVersion = stringPreferencesKey("hasDonatedInVersion")
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}
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private val storeCache = LargeCache<String, DataStore<Preferences>>()
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fun file(npub: String) = File(rootFilesDir(), "datastore/$npub.preferences")
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private fun getDataStore(npub: String): DataStore<Preferences> =
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storeCache.getOrCreate(npub) {
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PreferenceDataStoreFactory.create(
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produceFile = { file(npub) },
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)
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}
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fun removeAccount(npub: String) {
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file(npub).delete()
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storeCache.remove(npub)
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}
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}
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@@ -0,0 +1,73 @@
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/**
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* Copyright (c) 2025 Vitor Pamplona
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
|
||||
* Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package com.vitorpamplona.amethyst.model.preferences
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import androidx.datastore.preferences.core.PreferenceDataStoreFactory
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import androidx.datastore.preferences.core.stringPreferencesKey
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import com.vitorpamplona.quartz.nip01Core.core.HexKey
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import com.vitorpamplona.quartz.nip47WalletConnect.Nip47WalletConnect
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import com.vitorpamplona.quartz.utils.LargeCache
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import java.io.File
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class AccountSecretsEncryptedStores(
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val rootFilesDir: () -> File,
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) {
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companion object Companion {
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val encryption = KeyStoreEncryption()
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val key = stringPreferencesKey("privKey")
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val nwc = stringPreferencesKey("nwc")
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}
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private val storeCache = LargeCache<String, EncryptedDataStore>()
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fun file(npub: String) = File(rootFilesDir(), "datastore/$npub.secrets")
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private fun getDataStore(npub: String): EncryptedDataStore =
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storeCache.getOrCreate(npub) {
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EncryptedDataStore(
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PreferenceDataStoreFactory.create(
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produceFile = { file(npub) },
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),
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encryption,
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)
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}
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suspend fun getPrivateKey(npub: String): String? = getDataStore(npub).get(key)
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suspend fun savePrivateKey(
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npub: String,
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value: HexKey,
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) {
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getDataStore(npub).save(key, value)
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}
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suspend fun nwc(npub: String): UpdatablePropertyFlow<Nip47WalletConnect.Nip47URI> =
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getDataStore(npub).getProperty(
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key = nwc,
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parser = Nip47WalletConnect.Nip47URI::parser,
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serializer = Nip47WalletConnect.Nip47URI::serializer,
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)
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fun removeAccount(npub: String) {
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file(npub).delete()
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storeCache.remove(npub)
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}
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}
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@@ -0,0 +1,70 @@
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/**
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* Copyright (c) 2025 Vitor Pamplona
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
|
||||
* Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
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package com.vitorpamplona.amethyst.model.preferences
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import androidx.datastore.core.DataStore
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import androidx.datastore.preferences.core.Preferences
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import androidx.datastore.preferences.core.edit
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import androidx.datastore.preferences.core.emptyPreferences
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import com.vitorpamplona.amethyst.ui.navigation.navs.EmptyNav.scope
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import com.vitorpamplona.quartz.nip47WalletConnect.Nip47WalletConnect.Nip47URI.Companion.parser
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import kotlinx.coroutines.flow.catch
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import kotlinx.coroutines.flow.map
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import java.io.IOException
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suspend fun <T> DataStore<Preferences>.getProperty(
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key: Preferences.Key<String>,
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parser: (String) -> T,
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serializer: (T) -> String,
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): UpdatablePropertyFlow<T> =
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UpdatablePropertyFlow<T>(
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flow =
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data
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.catch { e ->
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if (e is IOException) emit(emptyPreferences()) else throw e
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}.map { prefs ->
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val value = prefs[key]
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if (value != null) {
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parser(value)
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} else {
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null
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}
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},
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update = { newValue ->
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if (newValue != null) {
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val serialized = serializer(newValue)
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if (serialized.isNotBlank()) {
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edit { prefs ->
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prefs[key] = serialized
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}
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} else {
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edit { prefs ->
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prefs.remove(key)
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}
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}
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} else {
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edit { prefs ->
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prefs.remove(key)
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}
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}
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},
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scope = scope,
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)
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@@ -0,0 +1,106 @@
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/**
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* Copyright (c) 2025 Vitor Pamplona
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*
|
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
|
||||
* Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
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package com.vitorpamplona.amethyst.model.preferences
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import androidx.datastore.core.DataStore
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import androidx.datastore.preferences.core.Preferences
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import androidx.datastore.preferences.core.edit
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import androidx.datastore.preferences.core.emptyPreferences
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import com.vitorpamplona.amethyst.ui.navigation.navs.EmptyNav.scope
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import kotlinx.coroutines.flow.catch
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import kotlinx.coroutines.flow.firstOrNull
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import kotlinx.coroutines.flow.map
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import java.io.IOException
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import java.util.Base64
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class EncryptedDataStore(
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private val store: DataStore<Preferences>,
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private val encryption: KeyStoreEncryption = KeyStoreEncryption(),
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) {
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private fun decode(str: String): ByteArray = Base64.getDecoder().decode(str)
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private fun encode(bytes: ByteArray): String = Base64.getEncoder().encodeToString(bytes)
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private fun encrypt(value: String): String = encode(encryption.encrypt(value.toByteArray()))
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private fun decrypt(value: String): String = encryption.decrypt(decode(value)).contentToString()
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suspend fun remove(key: Preferences.Key<String>) {
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store.edit { prefs ->
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prefs.remove(key)
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}
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}
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suspend fun save(
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key: Preferences.Key<String>,
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value: String,
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) {
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store.edit { prefs ->
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prefs[key] = encrypt(value)
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}
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}
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suspend fun get(key: Preferences.Key<String>): String? =
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store.data
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.catch { e ->
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if (e is IOException) emit(emptyPreferences()) else throw e
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}.firstOrNull()
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?.get(key)
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?.let { decrypt(it) }
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suspend fun <T> getProperty(
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key: Preferences.Key<String>,
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parser: (String) -> T,
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serializer: (T) -> String,
|
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): UpdatablePropertyFlow<T> =
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UpdatablePropertyFlow<T>(
|
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flow =
|
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store.data
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.catch { e ->
|
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if (e is IOException) emit(emptyPreferences()) else throw e
|
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}.map { prefs ->
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val value = prefs[key]
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if (value != null) {
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val decrypted = decrypt(value)
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if (decrypted.isNotBlank()) {
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parser(decrypted)
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} else {
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null
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||||
}
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} else {
|
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null
|
||||
}
|
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},
|
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update = { newValue ->
|
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if (newValue != null) {
|
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val serialized = serializer(newValue)
|
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if (serialized.isNotBlank()) {
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save(key, serialized)
|
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} else {
|
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remove(key)
|
||||
}
|
||||
} else {
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remove(key)
|
||||
}
|
||||
},
|
||||
scope = scope,
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,102 @@
|
||||
/**
|
||||
* Copyright (c) 2025 Vitor Pamplona
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
|
||||
* Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
package com.vitorpamplona.amethyst.model.preferences
|
||||
|
||||
import android.os.Build
|
||||
import android.security.keystore.KeyGenParameterSpec
|
||||
import android.security.keystore.KeyProperties
|
||||
import android.security.keystore.StrongBoxUnavailableException
|
||||
import java.security.KeyStore
|
||||
import javax.crypto.Cipher
|
||||
import javax.crypto.KeyGenerator
|
||||
import javax.crypto.SecretKey
|
||||
import javax.crypto.spec.IvParameterSpec
|
||||
|
||||
class KeyStoreEncryption {
|
||||
companion object {
|
||||
private const val ALGORITHM = KeyProperties.KEY_ALGORITHM_AES
|
||||
private const val BLOCK_MODE = KeyProperties.BLOCK_MODE_GCM
|
||||
private const val PADDING = KeyProperties.ENCRYPTION_PADDING_PKCS7
|
||||
private const val TRANSFORMATION = "$ALGORITHM/$BLOCK_MODE/$PADDING"
|
||||
private const val PURPOSE = KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT
|
||||
private const val KEY_ALIAS = "AMETHYST_AES_KEY"
|
||||
}
|
||||
|
||||
private val cipher = Cipher.getInstance(TRANSFORMATION)
|
||||
private val keyStore = KeyStore.getInstance("AndroidKeyStore").apply { load(null) }
|
||||
|
||||
private fun getKey(): SecretKey {
|
||||
val existingKey = keyStore.getEntry(KEY_ALIAS, null) as? KeyStore.SecretKeyEntry
|
||||
return existingKey?.secretKey ?: createKey()
|
||||
}
|
||||
|
||||
private fun createKeyStrongBoxIfAvailable(): SecretKey? =
|
||||
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
|
||||
try {
|
||||
val keyParams =
|
||||
KeyGenParameterSpec
|
||||
.Builder(KEY_ALIAS, PURPOSE)
|
||||
.setBlockModes(BLOCK_MODE)
|
||||
.setEncryptionPaddings(PADDING)
|
||||
.setIsStrongBoxBacked(true)
|
||||
.build()
|
||||
|
||||
val generator = KeyGenerator.getInstance(ALGORITHM)
|
||||
generator.init(keyParams)
|
||||
generator.generateKey()
|
||||
} catch (_: StrongBoxUnavailableException) {
|
||||
null
|
||||
}
|
||||
} else {
|
||||
null
|
||||
}
|
||||
|
||||
private fun createKeyRegular(): SecretKey {
|
||||
val keyParams =
|
||||
KeyGenParameterSpec
|
||||
.Builder(KEY_ALIAS, PURPOSE)
|
||||
.setBlockModes(BLOCK_MODE)
|
||||
.setEncryptionPaddings(PADDING)
|
||||
.build()
|
||||
|
||||
val generator = KeyGenerator.getInstance(ALGORITHM)
|
||||
generator.init(keyParams)
|
||||
return generator.generateKey()
|
||||
}
|
||||
|
||||
private fun createKey(): SecretKey = createKeyStrongBoxIfAvailable() ?: createKeyRegular()
|
||||
|
||||
fun encrypt(bytes: ByteArray): ByteArray {
|
||||
// Initializes the cipher in encrypt mode and encrypts data
|
||||
cipher.init(Cipher.ENCRYPT_MODE, getKey())
|
||||
val iv = cipher.iv
|
||||
val encrypted = cipher.doFinal(bytes)
|
||||
return iv + encrypted
|
||||
}
|
||||
|
||||
fun decrypt(bytes: ByteArray): ByteArray? {
|
||||
// Extracts IV and decrypts the data
|
||||
val iv = bytes.copyOfRange(0, cipher.blockSize)
|
||||
val data = bytes.copyOfRange(cipher.blockSize, bytes.size)
|
||||
cipher.init(Cipher.DECRYPT_MODE, getKey(), IvParameterSpec(iv))
|
||||
return cipher.doFinal(data)
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,43 @@
|
||||
/**
|
||||
* Copyright (c) 2025 Vitor Pamplona
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
|
||||
* Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
package com.vitorpamplona.amethyst.model.preferences
|
||||
|
||||
import kotlinx.coroutines.CoroutineScope
|
||||
import kotlinx.coroutines.Dispatchers
|
||||
import kotlinx.coroutines.flow.Flow
|
||||
import kotlinx.coroutines.flow.SharingStarted
|
||||
import kotlinx.coroutines.flow.flowOn
|
||||
import kotlinx.coroutines.flow.stateIn
|
||||
|
||||
class UpdatablePropertyFlow<T>(
|
||||
flow: Flow<T?>,
|
||||
val update: suspend (T?) -> Unit,
|
||||
val scope: CoroutineScope,
|
||||
) {
|
||||
val stateFlow =
|
||||
flow
|
||||
.flowOn(Dispatchers.Default)
|
||||
.stateIn(
|
||||
scope = scope,
|
||||
started = SharingStarted.Eagerly,
|
||||
initialValue = null,
|
||||
)
|
||||
}
|
||||
@@ -15,6 +15,7 @@ biometricKtx = "1.2.0-alpha05"
|
||||
coil = "3.3.0"
|
||||
composeBom = "2025.07.00"
|
||||
coreKtx = "1.16.0"
|
||||
datastore = "1.1.7"
|
||||
espressoCore = "3.6.1"
|
||||
firebaseBom = "34.0.0"
|
||||
fragmentKtx = "1.8.8"
|
||||
@@ -69,6 +70,7 @@ androidx-camera-view = { module = "androidx.camera:camera-view", version.ref = "
|
||||
androidx-camera-lifecycle = { module = "androidx.camera:camera-lifecycle", version.ref = "androidxCamera" }
|
||||
androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
|
||||
androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
|
||||
androidx-datastore-preferences = { module = "androidx.datastore:datastore-preferences", version.ref = "datastore" }
|
||||
androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
|
||||
androidx-fragment-ktx = { group = "androidx.fragment", name = "fragment-ktx", version.ref = "fragmentKtx" }
|
||||
androidx-compose-foundation = { group = "androidx.compose.foundation", name = "foundation" }
|
||||
|
||||
Reference in New Issue
Block a user