session-android/app/src/main/java/org/thoughtcrime/securesms/loki/protocol/MultiDeviceProtocol.kt

146 lines
8.6 KiB
Kotlin

package org.thoughtcrime.securesms.loki.protocol
import android.content.Context
import com.google.protobuf.ByteString
import org.session.libsession.messaging.MessagingConfiguration
import org.session.libsession.messaging.messages.control.ConfigurationMessage
import org.session.libsession.messaging.threads.Address
import org.session.libsession.messaging.threads.recipients.Recipient
import org.session.libsession.utilities.TextSecurePreferences
import org.session.libsignal.libsignal.util.guava.Optional
import org.session.libsignal.service.api.push.SignalServiceAddress
import org.session.libsignal.service.internal.push.SignalServiceProtos
import org.session.libsignal.service.internal.push.SignalServiceProtos.DataMessage
import org.session.libsignal.service.loki.utilities.removing05PrefixIfNeeded
import org.session.libsignal.utilities.Base64
import org.session.libsignal.utilities.Hex
import org.session.libsignal.utilities.logging.Log
import org.thoughtcrime.securesms.ApplicationContext
import org.thoughtcrime.securesms.crypto.UnidentifiedAccessUtil
import org.thoughtcrime.securesms.database.DatabaseFactory
import org.thoughtcrime.securesms.database.RecipientDatabase
import org.thoughtcrime.securesms.database.ThreadDatabase
import org.thoughtcrime.securesms.jobs.RetrieveProfileAvatarJob
import org.thoughtcrime.securesms.loki.utilities.ContactUtilities
import org.thoughtcrime.securesms.loki.utilities.OpenGroupUtilities
import org.thoughtcrime.securesms.sskenvironment.ProfileManager
import java.util.*
object MultiDeviceProtocol {
// TODO: refactor this to use new message sending job
@JvmStatic
fun syncConfigurationIfNeeded(context: Context) {
val userPublicKey = TextSecurePreferences.getLocalNumber(context) ?: return
val lastSyncTime = TextSecurePreferences.getLastConfigurationSyncTime(context)
val now = System.currentTimeMillis()
if (now - lastSyncTime < 2 * 24 * 60 * 60 * 1000) return
val contacts = ContactUtilities.getAllContacts(context).filter { recipient ->
!recipient.isBlocked && !recipient.name.isNullOrEmpty() && !recipient.isLocalNumber && recipient.address.serialize().isNotEmpty()
}.map { recipient ->
ConfigurationMessage.Contact(recipient.address.serialize(), recipient.name!!, recipient.profileAvatar, recipient.profileKey)
}
val configurationMessage = ConfigurationMessage.getCurrent(contacts) ?: return
val serializedMessage = configurationMessage.toProto()!!.toByteArray()
val messageSender = ApplicationContext.getInstance(context).communicationModule.provideSignalMessageSender()
val address = SignalServiceAddress(userPublicKey)
val recipient = Recipient.from(context, Address.fromSerialized(userPublicKey), false)
val udAccess = UnidentifiedAccessUtil.getAccessFor(context, recipient)
try {
messageSender.sendMessage(0, address, udAccess,
Date().time, serializedMessage, false, configurationMessage.ttl.toInt(),
true, false, false, Optional.absent())
TextSecurePreferences.setLastConfigurationSyncTime(context, now)
} catch (e: Exception) {
Log.d("Loki", "Failed to send configuration message due to error: $e.")
}
}
// TODO: refactor this to use new message sending job
fun forceSyncConfigurationNowIfNeeded(context: Context) {
val userPublicKey = TextSecurePreferences.getLocalNumber(context) ?: return
val contacts = ContactUtilities.getAllContacts(context).filter { recipient ->
!recipient.isGroupRecipient && !recipient.isBlocked && !recipient.name.isNullOrEmpty() && !recipient.isLocalNumber && recipient.address.serialize().isNotEmpty()
}.map { recipient ->
ConfigurationMessage.Contact(recipient.address.serialize(), recipient.name!!, recipient.profileAvatar, recipient.profileKey)
}
val configurationMessage = ConfigurationMessage.getCurrent(contacts) ?: return
val serializedMessage = configurationMessage.toProto()!!.toByteArray()
val messageSender = ApplicationContext.getInstance(context).communicationModule.provideSignalMessageSender()
val address = SignalServiceAddress(userPublicKey)
val recipient = Recipient.from(context, Address.fromSerialized(userPublicKey), false)
val udAccess = UnidentifiedAccessUtil.getAccessFor(context, recipient)
try {
messageSender.sendMessage(0, address, udAccess,
Date().time, serializedMessage, false, configurationMessage.ttl.toInt(),
true, false, false, Optional.absent())
} catch (e: Exception) {
Log.d("Loki", "Failed to send configuration message due to error: $e.")
}
}
// TODO: remove this after we migrate to new message receiving pipeline
@JvmStatic
fun handleConfigurationMessage(context: Context, content: SignalServiceProtos.Content, senderPublicKey: String, timestamp: Long) {
// if (TextSecurePreferences.getConfigurationMessageSynced(context)) return
val configurationMessage = ConfigurationMessage.fromProto(content) ?: return
val userPublicKey = TextSecurePreferences.getLocalNumber(context) ?: return
if (senderPublicKey != userPublicKey) return
val storage = MessagingConfiguration.shared.storage
val allClosedGroupPublicKeys = storage.getAllClosedGroupPublicKeys()
for (closedGroup in configurationMessage.closedGroups) {
if (allClosedGroupPublicKeys.contains(closedGroup.publicKey)) continue
val closedGroupUpdate = DataMessage.ClosedGroupControlMessage.newBuilder()
closedGroupUpdate.type = DataMessage.ClosedGroupControlMessage.Type.NEW
closedGroupUpdate.publicKey = ByteString.copyFrom(Hex.fromStringCondensed(closedGroup.publicKey))
closedGroupUpdate.name = closedGroup.name
val encryptionKeyPair = SignalServiceProtos.KeyPair.newBuilder()
encryptionKeyPair.publicKey = ByteString.copyFrom(closedGroup.encryptionKeyPair.publicKey.serialize().removing05PrefixIfNeeded())
encryptionKeyPair.privateKey = ByteString.copyFrom(closedGroup.encryptionKeyPair.privateKey.serialize())
closedGroupUpdate.encryptionKeyPair = encryptionKeyPair.build()
closedGroupUpdate.addAllMembers(closedGroup.members.map { ByteString.copyFrom(Hex.fromStringCondensed(it)) })
closedGroupUpdate.addAllAdmins(closedGroup.admins.map { ByteString.copyFrom(Hex.fromStringCondensed(it)) })
ClosedGroupsProtocolV2.handleNewClosedGroup(context, closedGroupUpdate.build(), userPublicKey, timestamp)
}
val allOpenGroups = storage.getAllOpenGroups().map { it.value.server }
for (openGroup in configurationMessage.openGroups) {
if (allOpenGroups.contains(openGroup)) continue
OpenGroupUtilities.addGroup(context, openGroup, 1)
}
if (configurationMessage.profileKey.isNotEmpty()) {
val profileKey = Base64.encodeBytes(configurationMessage.profileKey)
TextSecurePreferences.setProfileKey(context, profileKey)
}
if (!configurationMessage.profilePicture.isNullOrEmpty()) {
TextSecurePreferences.setProfilePictureURL(context, configurationMessage.profilePicture)
}
if (configurationMessage.displayName.isNotEmpty()) {
TextSecurePreferences.setProfileName(context, configurationMessage.displayName)
}
val threadDatabase = DatabaseFactory.getThreadDatabase(context)
val recipientDatabase = DatabaseFactory.getRecipientDatabase(context)
for (contact in configurationMessage.contacts) {
val address = Address.fromSerialized(contact.publicKey)
val recipient = Recipient.from(context, address, true)
if (!contact.profilePicture.isNullOrEmpty()) {
recipientDatabase.setProfileAvatar(recipient, contact.profilePicture)
}
if (contact.profileKey?.isNotEmpty() == true) {
recipientDatabase.setProfileKey(recipient, contact.profileKey)
}
if (contact.name.isNotEmpty()) {
recipientDatabase.setProfileName(recipient, contact.name)
}
recipientDatabase.setProfileSharing(recipient, true)
// create Thread if needed
threadDatabase.getOrCreateThreadIdFor(recipient)
}
if (configurationMessage.contacts.isNotEmpty()) {
threadDatabase.notifyUpdatedFromConfig()
}
// TODO: handle new configuration message fields or handle in new pipeline
TextSecurePreferences.setConfigurationMessageSynced(context, true)
}
}