92 lines
5.4 KiB
Kotlin
92 lines
5.4 KiB
Kotlin
package org.thoughtcrime.securesms.loki.protocol
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import android.content.Context
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import com.google.protobuf.ByteString
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import org.session.libsession.messaging.MessagingConfiguration
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import org.session.libsession.messaging.messages.control.ConfigurationMessage
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import org.session.libsession.utilities.TextSecurePreferences
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import org.session.libsignal.libsignal.util.guava.Optional
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import org.session.libsignal.service.api.push.SignalServiceAddress
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import org.session.libsignal.service.internal.push.SignalServiceProtos
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import org.session.libsignal.service.loki.utilities.removing05PrefixIfNeeded
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import org.session.libsignal.utilities.Hex
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import org.session.libsignal.utilities.logging.Log
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import org.thoughtcrime.securesms.ApplicationContext
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import org.thoughtcrime.securesms.crypto.UnidentifiedAccessUtil
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import org.thoughtcrime.securesms.loki.utilities.OpenGroupUtilities
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import org.thoughtcrime.securesms.loki.utilities.recipient
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import java.util.*
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object MultiDeviceProtocol {
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@JvmStatic
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fun syncConfigurationIfNeeded(context: Context) {
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val userPublicKey = TextSecurePreferences.getLocalNumber(context) ?: return
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val lastSyncTime = TextSecurePreferences.getLastConfigurationSyncTime(context)
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val now = System.currentTimeMillis()
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if (now - lastSyncTime < 2 * 24 * 60 * 60 * 1000) return
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val configurationMessage = ConfigurationMessage.getCurrent()
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val serializedMessage = configurationMessage.toProto()!!.toByteArray()
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val messageSender = ApplicationContext.getInstance(context).communicationModule.provideSignalMessageSender()
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val address = SignalServiceAddress(userPublicKey)
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val recipient = recipient(context, userPublicKey)
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val udAccess = UnidentifiedAccessUtil.getAccessFor(context, recipient)
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try {
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messageSender.sendMessage(0, address, udAccess.get().targetUnidentifiedAccess,
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Date().time, serializedMessage, false, configurationMessage.ttl.toInt(), false,
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true, false, true, Optional.absent())
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TextSecurePreferences.setLastConfigurationSyncTime(context, now)
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} catch (e: Exception) {
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Log.d("Loki", "Failed to send configuration message due to error: $e.")
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}
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}
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fun forceSyncConfigurationNowIfNeeded(context: Context) {
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val userPublicKey = TextSecurePreferences.getLocalNumber(context) ?: return
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val configurationMessage = ConfigurationMessage.getCurrent()
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val serializedMessage = configurationMessage.toProto()!!.toByteArray()
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val messageSender = ApplicationContext.getInstance(context).communicationModule.provideSignalMessageSender()
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val address = SignalServiceAddress(userPublicKey)
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val recipient = recipient(context, userPublicKey)
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val udAccess = UnidentifiedAccessUtil.getAccessFor(context, recipient)
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try {
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messageSender.sendMessage(0, address, udAccess.get().targetUnidentifiedAccess,
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Date().time, serializedMessage, false, configurationMessage.ttl.toInt(), false,
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true, false, true, Optional.absent())
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} catch (e: Exception) {
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Log.d("Loki", "Failed to send configuration message due to error: $e.")
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}
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}
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@JvmStatic
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fun handleConfigurationMessage(context: Context, content: SignalServiceProtos.Content, senderPublicKey: String, timestamp: Long) {
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if (TextSecurePreferences.getConfigurationMessageSynced(context)) return
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val configurationMessage = ConfigurationMessage.fromProto(content) ?: return
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val userPublicKey = TextSecurePreferences.getLocalNumber(context) ?: return
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if (senderPublicKey != userPublicKey) return
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val storage = MessagingConfiguration.shared.storage
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val allClosedGroupPublicKeys = storage.getAllClosedGroupPublicKeys()
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for (closedGroup in configurationMessage.closedGroups) {
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if (allClosedGroupPublicKeys.contains(closedGroup.publicKey)) continue
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val closedGroupUpdate = SignalServiceProtos.ClosedGroupUpdateV2.newBuilder()
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closedGroupUpdate.type = SignalServiceProtos.ClosedGroupUpdateV2.Type.NEW
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closedGroupUpdate.publicKey = ByteString.copyFrom(Hex.fromStringCondensed(closedGroup.publicKey))
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closedGroupUpdate.name = closedGroup.name
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val encryptionKeyPair = SignalServiceProtos.KeyPair.newBuilder()
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encryptionKeyPair.publicKey = ByteString.copyFrom(closedGroup.encryptionKeyPair.publicKey.serialize().removing05PrefixIfNeeded())
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encryptionKeyPair.privateKey = ByteString.copyFrom(closedGroup.encryptionKeyPair.privateKey.serialize())
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closedGroupUpdate.encryptionKeyPair = encryptionKeyPair.build()
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closedGroupUpdate.addAllMembers(closedGroup.members.map { ByteString.copyFrom(Hex.fromStringCondensed(it)) })
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closedGroupUpdate.addAllAdmins(closedGroup.admins.map { ByteString.copyFrom(Hex.fromStringCondensed(it)) })
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ClosedGroupsProtocolV2.handleNewClosedGroup(context, closedGroupUpdate.build(), userPublicKey, timestamp)
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}
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val allOpenGroups = storage.getAllOpenGroups().map { it.value.server }
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for (openGroup in configurationMessage.openGroups) {
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if (allOpenGroups.contains(openGroup)) continue
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OpenGroupUtilities.addGroup(context, openGroup, 1)
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}
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TextSecurePreferences.setConfigurationMessageSynced(context, true)
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}
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} |