forked from signalapp/Signal-Android
-
Notifications
You must be signed in to change notification settings - Fork 174
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Push notification registration refactoring
- Loading branch information
fanchao
committed
Sep 4, 2024
1 parent
844b2d4
commit 34bc669
Showing
7 changed files
with
255 additions
and
86 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
71 changes: 0 additions & 71 deletions
71
app/src/main/java/org/thoughtcrime/securesms/notifications/GroupsPushRegistrationHandler.kt
This file was deleted.
Oops, something went wrong.
238 changes: 238 additions & 0 deletions
238
app/src/main/java/org/thoughtcrime/securesms/notifications/PushRegistrationHandler.kt
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,238 @@ | ||
| package org.thoughtcrime.securesms.notifications | ||
|
|
||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Deferred | ||
| import kotlinx.coroutines.DelicateCoroutinesApi | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.FlowPreview | ||
| import kotlinx.coroutines.GlobalScope | ||
| import kotlinx.coroutines.Job | ||
| import kotlinx.coroutines.async | ||
| import kotlinx.coroutines.awaitAll | ||
| import kotlinx.coroutines.flow.combine | ||
| import kotlinx.coroutines.flow.debounce | ||
| import kotlinx.coroutines.flow.filterNotNull | ||
| import kotlinx.coroutines.flow.onStart | ||
| import kotlinx.coroutines.flow.scan | ||
| import kotlinx.coroutines.launch | ||
| import network.loki.messenger.libsession_util.GroupInfoConfig | ||
| import network.loki.messenger.libsession_util.GroupKeysConfig | ||
| import network.loki.messenger.libsession_util.GroupMembersConfig | ||
| import org.session.libsession.database.userAuth | ||
| import org.session.libsession.messaging.notifications.TokenFetcher | ||
| import org.session.libsession.snode.GroupSubAccountSwarmAuth | ||
| import org.session.libsession.snode.OwnedSwarmAuth | ||
| import org.session.libsession.snode.SwarmAuth | ||
| import org.session.libsession.utilities.TextSecurePreferences | ||
| import org.session.libsession.utilities.withGroupConfigsOrNull | ||
| import org.session.libsignal.utilities.AccountId | ||
| import org.session.libsignal.utilities.Log | ||
| import org.session.libsignal.utilities.Namespace | ||
| import org.thoughtcrime.securesms.crypto.IdentityKeyUtil | ||
| import org.thoughtcrime.securesms.database.Storage | ||
| import org.thoughtcrime.securesms.dependencies.ConfigFactory | ||
| import javax.inject.Inject | ||
|
|
||
| private const val TAG = "PushRegistrationHandler" | ||
|
|
||
| /** | ||
| * A class that listens to the config changes, user's preference and register | ||
| * for system level push notification accordingly. | ||
| * | ||
| * This class only caters for new groups' push registration, and it does not handle | ||
| * de-registration of push notification for groups that are removed, as the data needed | ||
| * for de-registration can not be guaranteed to be available at the time we discover that | ||
| * a group is removed. | ||
| */ | ||
| class PushRegistrationHandler | ||
| @Inject | ||
| constructor( | ||
| private val pushRegistry: PushRegistryV2, | ||
| private val configFactory: ConfigFactory, | ||
| private val preferences: TextSecurePreferences, | ||
| private val storage: Storage, | ||
| private val tokenFetcher: TokenFetcher, | ||
| ) { | ||
| @OptIn(DelicateCoroutinesApi::class) | ||
| private val scope: CoroutineScope = GlobalScope | ||
|
|
||
| private var job: Job? = null | ||
|
|
||
| @OptIn(FlowPreview::class) | ||
| fun run() { | ||
| require(job == null) { "Job is already running" } | ||
|
|
||
| job = scope.launch(Dispatchers.Default) { | ||
| combine( | ||
| configFactory.configUpdateNotifications | ||
| .debounce(500L) | ||
| .onStart { emit(Unit) }, | ||
| IdentityKeyUtil.CHANGES.onStart { emit(Unit) }, | ||
| preferences.pushEnabled, | ||
| tokenFetcher.token, | ||
| ) { _, _, enabled, token -> | ||
| if (!enabled || token.isNullOrEmpty()) { | ||
| return@combine emptyMap<SubscriptionKey, Subscription>() | ||
| } | ||
|
|
||
| val userAuth = | ||
| storage.userAuth ?: return@combine emptyMap<SubscriptionKey, Subscription>() | ||
| getGroupSubscriptions( | ||
| token = token, | ||
| userSecretKey = userAuth.ed25519PrivateKey | ||
| ) + mapOf( | ||
| SubscriptionKey(userAuth.accountId, token) to OwnedSubscription( | ||
| userAuth, | ||
| 0 | ||
| ) | ||
| ) | ||
| } | ||
| .scan<Map<SubscriptionKey, Subscription>, Pair<Map<SubscriptionKey, Subscription>, Map<SubscriptionKey, Subscription>>?>( | ||
| null | ||
| ) { acc, current -> | ||
| val prev = acc?.second.orEmpty() | ||
| prev to current | ||
| } | ||
| .filterNotNull() | ||
| .collect { (prev, current) -> | ||
| val addedAccountIds = current.keys - prev.keys | ||
| val removedAccountIDs = prev.keys - current.keys | ||
| if (addedAccountIds.isNotEmpty()) { | ||
| Log.d(TAG, "Adding ${addedAccountIds.size} new subscriptions") | ||
| } | ||
|
|
||
| if (removedAccountIDs.isNotEmpty()) { | ||
| Log.d(TAG, "Removing ${removedAccountIDs.size} subscriptions") | ||
| } | ||
|
|
||
| val deferred = mutableListOf<Deferred<*>>() | ||
|
|
||
| addedAccountIds.mapTo(deferred) { key -> | ||
| val subscription = current.getValue(key) | ||
| async { | ||
| try { | ||
| subscription.withAuth { auth -> | ||
| pushRegistry.register( | ||
| token = key.token, | ||
| swarmAuth = auth, | ||
| namespaces = listOf(subscription.namespace) | ||
| ) | ||
| } | ||
| } catch (e: Exception) { | ||
| Log.e(TAG, "Failed to register for push notification", e) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| removedAccountIDs.mapTo(deferred) { key -> | ||
| val subscription = prev.getValue(key) | ||
| async { | ||
| try { | ||
| subscription.withAuth { auth -> | ||
| pushRegistry.unregister( | ||
| token = key.token, | ||
| swarmAuth = auth, | ||
| ) | ||
| } | ||
| } catch (e: Exception) { | ||
| Log.e(TAG, "Failed to unregister for push notification", e) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| deferred.awaitAll() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun getGroupSubscriptions( | ||
| token: String, | ||
| userSecretKey: ByteArray | ||
| ): Map<SubscriptionKey, Subscription> { | ||
| return buildMap { | ||
| val groups = configFactory.userGroups?.allClosedGroupInfo().orEmpty() | ||
| for (group in groups) { | ||
| val adminKey = group.adminKey | ||
| if (adminKey != null && adminKey.isNotEmpty()) { | ||
| put( | ||
| SubscriptionKey(group.groupAccountId, token), | ||
| OwnedSubscription( | ||
| auth = OwnedSwarmAuth.ofClosedGroup(group.groupAccountId, adminKey), | ||
| namespace = Namespace.GROUPS() | ||
| ) | ||
| ) | ||
| continue | ||
| } | ||
|
|
||
| val authData = group.authData | ||
| if (authData != null && authData.isNotEmpty()) { | ||
| val subscription = | ||
| configFactory.withGroupConfigsOrNull(group.groupAccountId) { info, members, keys -> | ||
| SubAccountSubscription( | ||
| authData = authData, | ||
| groupInfoConfigDump = info.dump(), | ||
| groupMembersConfigDump = members.dump(), | ||
| groupKeysConfigDump = keys.dump(), | ||
| groupId = group.groupAccountId, | ||
| userSecretKey = userSecretKey | ||
| ) | ||
| } | ||
|
|
||
| if (subscription != null) { | ||
| put(SubscriptionKey(group.groupAccountId, token), subscription) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private data class SubscriptionKey( | ||
| val accountId: AccountId, | ||
| val token: String, | ||
| ) | ||
|
|
||
| private sealed interface Subscription { | ||
| suspend fun withAuth(cb: suspend (SwarmAuth) -> Unit) | ||
| val namespace: Int | ||
| } | ||
|
|
||
| private class OwnedSubscription(val auth: OwnedSwarmAuth, override val namespace: Int) : | ||
| Subscription { | ||
| override suspend fun withAuth(cb: suspend (SwarmAuth) -> Unit) { | ||
| cb(auth) | ||
| } | ||
| } | ||
|
|
||
| private class SubAccountSubscription( | ||
| val groupId: AccountId, | ||
| val userSecretKey: ByteArray, | ||
| val authData: ByteArray, | ||
| val groupInfoConfigDump: ByteArray, | ||
| val groupMembersConfigDump: ByteArray, | ||
| val groupKeysConfigDump: ByteArray | ||
| ) : Subscription { | ||
| override suspend fun withAuth(cb: suspend (SwarmAuth) -> Unit) { | ||
| GroupInfoConfig.newInstance(groupId.pubKeyBytes, initialDump = groupInfoConfigDump) | ||
| .use { info -> | ||
| GroupMembersConfig.newInstance( | ||
| groupId.pubKeyBytes, | ||
| initialDump = groupMembersConfigDump | ||
| ).use { members -> | ||
| GroupKeysConfig.newInstance( | ||
| userSecretKey = userSecretKey, | ||
| groupPublicKey = groupId.pubKeyBytes, | ||
| initialDump = groupKeysConfigDump, | ||
| info = info, | ||
| members = members | ||
| ).use { keys -> | ||
| cb(GroupSubAccountSwarmAuth(keys, groupId, authData)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| override val namespace: Int | ||
| get() = Namespace.GROUPS() | ||
| } | ||
|
|
||
| } |
Oops, something went wrong.