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Fix group chat restoration

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This commit is contained in:
Niels Andriesse 2019-09-04 11:11:48 +10:00
parent 4efe8fb040
commit b72e5c4c6a
2 changed files with 48 additions and 8 deletions
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54
src/org/thoughtcrime/securesms/loki/LokiGroupChatPoller.kt
View File

@ -4,8 +4,12 @@ import android.content.Context
import android.os.Handler
import android.util.Log
import org.thoughtcrime.securesms.crypto.IdentityKeyUtil
import org.thoughtcrime.securesms.database.Address
import org.thoughtcrime.securesms.database.DatabaseFactory
import org.thoughtcrime.securesms.jobs.PushDecryptJob
import org.thoughtcrime.securesms.recipients.Recipient
import org.thoughtcrime.securesms.sms.OutgoingTextMessage
import org.thoughtcrime.securesms.util.GroupUtil
import org.thoughtcrime.securesms.util.TextSecurePreferences
import org.whispersystems.libsignal.util.guava.Optional
import org.whispersystems.signalservice.api.messages.SignalServiceContent
@ -14,20 +18,25 @@ import org.whispersystems.signalservice.api.messages.SignalServiceGroup
import org.whispersystems.signalservice.api.push.SignalServiceAddress
import org.whispersystems.signalservice.loki.api.LokiGroupChat
import org.whispersystems.signalservice.loki.api.LokiGroupChatAPI
import org.whispersystems.signalservice.loki.api.LokiGroupMessage
class LokiGroupChatPoller(private val context: Context, private val group: LokiGroupChat) {
private val handler = Handler()
private var hasStarted = false
// region Convenience
private val userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context)
private val api: LokiGroupChatAPI
get() = {
val userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context)
val lokiAPIDatabase = DatabaseFactory.getLokiAPIDatabase(context)
val lokiUserDatabase = DatabaseFactory.getLokiUserDatabase(context)
val userPrivateKey = IdentityKeyUtil.getIdentityKeyPair(context).privateKey.serialize()
LokiGroupChatAPI(userHexEncodedPublicKey, userPrivateKey, lokiAPIDatabase, lokiUserDatabase)
}()
// endregion
// region Tasks
private val pollForNewMessagesTask = object : Runnable {
override fun run() {
@ -51,13 +60,17 @@ class LokiGroupChatPoller(private val context: Context, private val group: LokiG
handler.postDelayed(this, pollForModerationPermissionInterval)
}
}
// endregion
// region Settings
companion object {
private val pollForNewMessagesInterval: Long = 4 * 1000
private val pollForDeletedMessagesInterval: Long = 20 * 1000
private val pollForModerationPermissionInterval: Long = 10 * 60 * 1000
}
// endregion
// region Lifecycle
fun startIfNeeded() {
if (hasStarted) return
pollForNewMessagesTask.run()
@ -72,16 +85,40 @@ class LokiGroupChatPoller(private val context: Context, private val group: LokiG
handler.removeCallbacks(pollForModerationPermissionTask)
hasStarted = false
}
// endregion
// region Polling
private fun pollForNewMessages() {
fun processIncomingMessage(message: LokiGroupMessage) {
val id = group.id.toByteArray()
val x1 = SignalServiceGroup(SignalServiceGroup.Type.UPDATE, id, null, null, null)
val x2 = SignalServiceDataMessage(message.timestamp, x1, null, message.body)
val senderDisplayName = "${message.displayName} (...${message.hexEncodedPublicKey.takeLast(8)})"
val x3 = SignalServiceContent(x2, senderDisplayName, SignalServiceAddress.DEFAULT_DEVICE_ID, message.timestamp, false)
PushDecryptJob(context).handleTextMessage(x3, x2, Optional.absent(), Optional.of(message.serverID))
}
fun processOutgoingMessage(message: LokiGroupMessage) {
val messageServerID = message.serverID ?: return
val lokiMessageDatabase = DatabaseFactory.getLokiMessageDatabase(context)
val isDuplicate = lokiMessageDatabase.getMessageID(messageServerID) != null
if (isDuplicate) { return }
val id = group.id.toByteArray()
val smsDatabase = DatabaseFactory.getSmsDatabase(context)
val recipient = Recipient.from(context, Address.fromSerialized(GroupUtil.getEncodedId(id, false)), false)
val signalMessage = OutgoingTextMessage(recipient, message.body, 0, 0)
val threadID = DatabaseFactory.getThreadDatabase(context).getThreadIdFor(recipient)
val messageID = smsDatabase.insertMessageOutbox(threadID, signalMessage, false, System.currentTimeMillis(), null)
smsDatabase.markAsSent(messageID, true)
smsDatabase.markUnidentified(messageID, false)
lokiMessageDatabase.setServerID(messageID, messageServerID)
}
api.getMessages(group.serverID, group.server).success { messages ->
messages.reversed().map { message ->
val id = group.id.toByteArray()
val x1 = SignalServiceGroup(SignalServiceGroup.Type.UPDATE, id, null, null, null)
val x2 = SignalServiceDataMessage(message.timestamp, x1, null, message.body)
val senderDisplayName = "${message.displayName} (...${message.hexEncodedPublicKey.takeLast(8)})"
val x3 = SignalServiceContent(x2, senderDisplayName, SignalServiceAddress.DEFAULT_DEVICE_ID, message.timestamp, false)
PushDecryptJob(context).handleTextMessage(x3, x2, Optional.absent(), Optional.of(message.serverID))
messages.reversed().forEach { message ->
if (message.hexEncodedPublicKey != userHexEncodedPublicKey) {
processIncomingMessage(message)
} else {
processOutgoingMessage(message)
}
}
}.fail {
Log.d("Loki", "Failed to get messages for group chat with ID: ${group.serverID} on server: ${group.server}.")
@ -109,4 +146,5 @@ class LokiGroupChatPoller(private val context: Context, private val group: LokiG
lokiAPIDatabase.setIsModerator(group.serverID, group.server, isModerator)
}
}
// endregion
}

2
src/org/thoughtcrime/securesms/loki/LokiMessageDatabase.kt
View File

@ -18,6 +18,8 @@ class LokiMessageDatabase(context: Context, helper: SQLCipherOpenHelper) : Datab
@JvmStatic val createTableCommand = "CREATE TABLE $tableName ($messageID INTEGER PRIMARY KEY, $serverID INTEGER DEFAULT 0, $friendRequestStatus INTEGER DEFAULT 0);"
}
// TODO: Move the server ID stuff to LokiAPIDatabase?
fun getServerID(messageID: Long): Long? {
val database = databaseHelper.readableDatabase
return database.get(tableName, "${Companion.messageID} = ?", arrayOf( messageID.toString() )) { cursor ->