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WIP finish message receiving

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This commit is contained in:
Ryan ZHAO 2021-01-08 11:13:05 +11:00
parent e45462588f
commit bace36621d
1 changed files with 75 additions and 9 deletions
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84
libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageReceiverHandler.kt
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@ -2,6 +2,7 @@ package org.session.libsession.messaging.sending_receiving
import org.session.libsession.messaging.MessagingConfiguration
import org.session.libsession.messaging.jobs.AttachmentDownloadJob
import org.session.libsession.messaging.jobs.JobQueue
import org.session.libsession.messaging.messages.Destination
import org.session.libsession.messaging.messages.Message
import org.session.libsession.messaging.messages.control.ClosedGroupUpdate
@ -12,7 +13,10 @@ import org.session.libsession.messaging.messages.visible.Attachment
import org.session.libsession.messaging.messages.visible.VisibleMessage
import org.session.libsession.messaging.sending_receiving.notifications.PushNotificationAPI
import org.session.libsession.messaging.threads.Address
import org.session.libsession.messaging.threads.recipients.Recipient
import org.session.libsession.utilities.GroupUtil
import org.session.libsession.utilities.SSKEnvironment
import org.session.libsession.utilities.TextSecurePreferences
import org.session.libsignal.libsignal.logging.Log
import org.session.libsignal.libsignal.util.Hex
@ -22,12 +26,12 @@ import org.session.libsignal.service.loki.protocol.closedgroups.ClosedGroupRatch
import org.session.libsignal.service.loki.protocol.closedgroups.ClosedGroupSenderKey
import org.session.libsignal.service.loki.protocol.closedgroups.SharedSenderKeysImplementation
import org.session.libsignal.service.loki.utilities.toHexString
import java.security.MessageDigest
import java.util.*
import kotlin.collections.ArrayList
internal fun MessageReceiver.isBlock(publicKey: String): Boolean {
// TODO: move isBlocked from Recipient to BlockManager
return false
return SSKEnvironment.shared.blockManager.isRecipientIdBlocked(publicKey)
}
fun MessageReceiver.handle(message: Message, proto: SignalServiceProtos.Content, openGroupID: String?) {
@ -41,7 +45,7 @@ fun MessageReceiver.handle(message: Message, proto: SignalServiceProtos.Content,
}
private fun MessageReceiver.handleReadReceipt(message: ReadReceipt) {
// TODO
SSKEnvironment.shared.readReceiptManager.processReadReceipts(message.sender!!, message.timestamps!!.asList(), message.receivedTimestamp!!)
}
private fun MessageReceiver.handleTypingIndicator(message: TypingIndicator) {
@ -52,15 +56,24 @@ private fun MessageReceiver.handleTypingIndicator(message: TypingIndicator) {
}
fun MessageReceiver.showTypingIndicatorIfNeeded(senderPublicKey: String) {
val context = MessagingConfiguration.shared.context
val address = Address.fromSerialized(senderPublicKey)
val threadID = MessagingConfiguration.shared.storage.getThreadIdFor(address) ?: return
SSKEnvironment.shared.typingIndicators.didReceiveTypingStartedMessage(context, threadID.toLong(), address, 1)
}
fun MessageReceiver.hideTypingIndicatorIfNeeded(senderPublicKey: String) {
val context = MessagingConfiguration.shared.context
val address = Address.fromSerialized(senderPublicKey)
val threadID = MessagingConfiguration.shared.storage.getThreadIdFor(address) ?: return
SSKEnvironment.shared.typingIndicators.didReceiveTypingStoppedMessage(context, threadID.toLong(), address, 1, false)
}
fun MessageReceiver.cancelTypingIndicatorsIfNeeded(senderPublicKey: String) {
val context = MessagingConfiguration.shared.context
val address = Address.fromSerialized(senderPublicKey)
val threadID = MessagingConfiguration.shared.storage.getThreadIdFor(address) ?: return
SSKEnvironment.shared.typingIndicators.didReceiveIncomingMessage(context, threadID.toLong(), address, 1)
}
private fun MessageReceiver.handleExpirationTimerUpdate(message: ExpirationTimerUpdate) {
@ -81,6 +94,7 @@ fun MessageReceiver.disableExpirationTimer(senderPublicKey: String, groupPublicK
fun MessageReceiver.handleVisibleMessage(message: VisibleMessage, proto: SignalServiceProtos.Content, openGroupID: String?) {
val storage = MessagingConfiguration.shared.storage
val context = MessagingConfiguration.shared.context
// Parse & persist attachments
val attachments = proto.dataMessage.attachmentsList.mapNotNull { proto ->
val attachment = Attachment.fromProto(proto)
@ -96,7 +110,24 @@ fun MessageReceiver.handleVisibleMessage(message: VisibleMessage, proto: SignalS
// Update profile if needed
val newProfile = message.profile
if (newProfile != null) {
val profileManager = SSKEnvironment.shared.profileManager
val recipient = Recipient.from(context, Address.fromSerialized(message.sender!!), false)
val displayName = newProfile.displayName!!
val userPublicKey = storage.getUserPublicKey()
if (userPublicKey == message.sender) {
// Update the user's local name if the message came from their master device
TextSecurePreferences.setProfileName(context, displayName)
}
profileManager.setDisplayName(recipient, displayName)
if (recipient.profileKey == null || !MessageDigest.isEqual(recipient.profileKey, newProfile.profileKey)) {
profileManager.setProfileKey(recipient, newProfile.profileKey!!)
profileManager.setUnidentifiedAccessMode(recipient, Recipient.UnidentifiedAccessMode.UNKNOWN)
val url = newProfile.profilePictureURL.orEmpty()
profileManager.setProfilePictureURL(recipient, url)
if (userPublicKey == message.sender) {
profileManager.updateOpenGroupProfilePicturesIfNeeded()
}
}
}
// Get or create thread
val threadID = storage.getOrCreateThreadIdFor(message.sender!!, message.groupPublicKey, openGroupID) ?: throw MessageSender.Error.NoThread
@ -245,9 +276,44 @@ private fun MessageReceiver.handleGroupUpdate(message: ClosedGroupUpdate) {
}
private fun MessageReceiver.handleSenderKeyRequest(message: ClosedGroupUpdate) {
if (message.kind !is ClosedGroupUpdate.Kind.SenderKeyRequest) { return }
val kind = message.kind!! as ClosedGroupUpdate.Kind.SenderKeyRequest
val storage = MessagingConfiguration.shared.storage
val sskDatabase = MessagingConfiguration.shared.sskDatabase
val userPublicKey = storage.getUserPublicKey()!!
val groupPublicKey = kind.groupPublicKey.toHexString()
val groupID = GroupUtil.getEncodedClosedGroupID(groupPublicKey)
val group = storage.getGroup(groupID)
if (group == null) {
Log.d("Loki", "Ignoring closed group sender key request for nonexistent group.")
return
}
// Check that the requesting user is a member of the group
if (!group.members.map { it.serialize() }.contains(message.sender!!)) {
Log.d("Loki", "Ignoring closed group sender key request from non-member.")
return
}
// Respond to the request
Log.d("Loki", "Responding to sender key request from: ${message.sender!!}.")
val userRatchet = sskDatabase.getClosedGroupRatchet(groupPublicKey, userPublicKey, ClosedGroupRatchetCollectionType.Current)
?: SharedSenderKeysImplementation.shared.generateRatchet(groupPublicKey, userPublicKey)
val userSenderKey = ClosedGroupSenderKey(Hex.fromStringCondensed(userRatchet.chainKey), userRatchet.keyIndex, Hex.fromStringCondensed(userPublicKey))
val closedGroupUpdateKind = ClosedGroupUpdate.Kind.SenderKey(Hex.fromStringCondensed(groupPublicKey), userSenderKey)
val closedGroupUpdate = ClosedGroupUpdate()
closedGroupUpdate.kind = closedGroupUpdateKind
MessageSender.send(closedGroupUpdate, Address.fromSerialized(groupID))
}
private fun MessageReceiver.handleSenderKey(message: ClosedGroupUpdate) {
if (message.kind !is ClosedGroupUpdate.Kind.SenderKey) { return }
val kind = message.kind!! as ClosedGroupUpdate.Kind.SenderKey
val groupPublicKey = kind.groupPublicKey.toHexString()
val senderKey = kind.senderKey
if (senderKey.publicKey.toHexString() != message.sender!!) {
Log.d("Loki", "Ignoring invalid closed group sender key.")
return
}
Log.d("Loki", "Received a sender key from: ${message.sender!!}.")
val ratchet = ClosedGroupRatchet(senderKey.chainKey.toHexString(), senderKey.keyIndex, listOf())
MessagingConfiguration.shared.sskDatabase.setClosedGroupRatchet(groupPublicKey, senderKey.publicKey.toHexString(), ratchet, ClosedGroupRatchetCollectionType.Current)
}