feat: generate serializable Contact info for configuration messages and pass in appropriate list to get current

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

@@ -16,6 +16,7 @@ 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.loki.utilities.ContactUtilities
 import org.thoughtcrime.securesms.loki.utilities.OpenGroupUtilities
 import java.util.*
 
@@ -28,7 +29,12 @@ object MultiDeviceProtocol {
         val lastSyncTime = TextSecurePreferences.getLastConfigurationSyncTime(context)
         val now = System.currentTimeMillis()
         if (now - lastSyncTime < 2 * 24 * 60 * 60 * 1000) return
-        val configurationMessage = ConfigurationMessage.getCurrent()
+        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)
         val serializedMessage = configurationMessage.toProto()!!.toByteArray()
         val messageSender = ApplicationContext.getInstance(context).communicationModule.provideSignalMessageSender()
         val address = SignalServiceAddress(userPublicKey)
@@ -47,7 +53,12 @@ object MultiDeviceProtocol {
     // TODO: refactor this to use new message sending job
     fun forceSyncConfigurationNowIfNeeded(context: Context) {
         val userPublicKey = TextSecurePreferences.getLocalNumber(context) ?: return
-        val configurationMessage = ConfigurationMessage.getCurrent()
+        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)
         val serializedMessage = configurationMessage.toProto()!!.toByteArray()
         val messageSender = ApplicationContext.getInstance(context).communicationModule.provideSignalMessageSender()
         val address = SignalServiceAddress(userPublicKey)

libsession/src/main/java/org/session/libsession/messaging/messages/control/ConfigurationMessage.kt

@@ -51,12 +51,39 @@ class ConfigurationMessage(val closedGroups: List<ClosedGroup>, val openGroups:
         }
     }
 
+    class Contact(val publicKey: String, val name: String, val profilePicture: String?, val profileKey: ByteArray?) {
+        companion object {
+            fun fromProto(proto: SignalServiceProtos.ConfigurationMessage.Contact): Contact? {
+                if (!proto.hasName() || !proto.hasProfileKey()) return null
+                val publicKey = proto.publicKey.toByteArray().toHexString()
+                val name = proto.name
+                val profilePicture = if (proto.hasProfilePicture()) proto.profilePicture else null
+                val profileKey = if (proto.hasProfileKey()) proto.profileKey.toByteArray() else null
+
+                return Contact(publicKey,name,profilePicture,profileKey)
+            }
+        }
+
+        fun toProto(): SignalServiceProtos.ConfigurationMessage.Contact? {
+            val result = SignalServiceProtos.ConfigurationMessage.Contact.newBuilder()
+            result.name = this.name
+            result.publicKey = ByteString.copyFrom(Hex.fromStringCondensed(publicKey))
+            if (!this.profilePicture.isNullOrEmpty()) {
+                result.profilePicture = this.profilePicture
+            }
+            if (this.profileKey != null) {
+                result.profileKey = ByteString.copyFrom(this.profileKey)
+            }
+            return result.build()
+        }
+    }
+
     override val ttl: Long = 4 * 24 * 60 * 60 * 1000
     override val isSelfSendValid: Boolean = true
 
     companion object {
 
-        fun getCurrent(): ConfigurationMessage {
+        fun getCurrent(contacts: List<Contact>): ConfigurationMessage {
             val closedGroups = mutableListOf<ClosedGroup>()
             val openGroups = mutableListOf<String>()
             val sharedConfig = MessagingConfiguration.shared