169 lines
8.7 KiB
Kotlin
169 lines
8.7 KiB
Kotlin
package org.session.libsession.messaging.messages.control
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import com.google.protobuf.ByteString
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import org.session.libsession.messaging.MessagingModuleConfiguration
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import org.session.libsession.messaging.threads.Address
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import org.session.libsession.utilities.GroupUtil
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import org.session.libsession.utilities.TextSecurePreferences
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import org.session.libsession.utilities.preferences.ProfileKeyUtil
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import org.session.libsignal.crypto.ecc.DjbECPrivateKey
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import org.session.libsignal.crypto.ecc.DjbECPublicKey
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import org.session.libsignal.crypto.ecc.ECKeyPair
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import org.session.libsignal.service.internal.push.SignalServiceProtos
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import org.session.libsignal.utilities.removing05PrefixIfNeeded
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import org.session.libsignal.utilities.toHexString
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import org.session.libsignal.utilities.Hex
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class ConfigurationMessage(var closedGroups: List<ClosedGroup>, var openGroups: List<String>, var contacts: List<Contact>,
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var displayName: String, var profilePicture: String?, var profileKey: ByteArray) : ControlMessage() {
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override val isSelfSendValid: Boolean = true
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class ClosedGroup(var publicKey: String, var name: String, var encryptionKeyPair: ECKeyPair?, var members: List<String>, var admins: List<String>) {
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val isValid: Boolean get() = members.isNotEmpty() && admins.isNotEmpty()
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internal constructor() : this("", "", null, listOf(), listOf())
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override fun toString(): String {
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return name
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}
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companion object {
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fun fromProto(proto: SignalServiceProtos.ConfigurationMessage.ClosedGroup): ClosedGroup? {
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if (!proto.hasPublicKey() || !proto.hasName() || !proto.hasEncryptionKeyPair()) return null
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val publicKey = proto.publicKey.toByteArray().toHexString()
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val name = proto.name
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val encryptionKeyPairAsProto = proto.encryptionKeyPair
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val encryptionKeyPair = ECKeyPair(DjbECPublicKey(encryptionKeyPairAsProto.publicKey.toByteArray().removing05PrefixIfNeeded()),
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DjbECPrivateKey(encryptionKeyPairAsProto.privateKey.toByteArray()))
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val members = proto.membersList.map { it.toByteArray().toHexString() }
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val admins = proto.adminsList.map { it.toByteArray().toHexString() }
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return ClosedGroup(publicKey, name, encryptionKeyPair, members, admins)
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}
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}
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fun toProto(): SignalServiceProtos.ConfigurationMessage.ClosedGroup? {
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val result = SignalServiceProtos.ConfigurationMessage.ClosedGroup.newBuilder()
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result.publicKey = ByteString.copyFrom(Hex.fromStringCondensed(publicKey))
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result.name = name
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val encryptionKeyPairAsProto = SignalServiceProtos.KeyPair.newBuilder()
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encryptionKeyPairAsProto.publicKey = ByteString.copyFrom(encryptionKeyPair!!.publicKey.serialize().removing05PrefixIfNeeded())
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encryptionKeyPairAsProto.privateKey = ByteString.copyFrom(encryptionKeyPair!!.privateKey.serialize())
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result.encryptionKeyPair = encryptionKeyPairAsProto.build()
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result.addAllMembers(members.map { ByteString.copyFrom(Hex.fromStringCondensed(it)) })
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result.addAllAdmins(admins.map { ByteString.copyFrom(Hex.fromStringCondensed(it)) })
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return result.build()
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}
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}
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class Contact(var publicKey: String, var name: String, var profilePicture: String?, var profileKey: ByteArray?) {
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internal constructor() : this("", "", null, null)
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companion object {
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fun fromProto(proto: SignalServiceProtos.ConfigurationMessage.Contact): Contact? {
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if (!proto.hasName() || !proto.hasProfileKey()) return null
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val publicKey = proto.publicKey.toByteArray().toHexString()
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val name = proto.name
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val profilePicture = if (proto.hasProfilePicture()) proto.profilePicture else null
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val profileKey = if (proto.hasProfileKey()) proto.profileKey.toByteArray() else null
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return Contact(publicKey, name, profilePicture, profileKey)
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}
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}
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fun toProto(): SignalServiceProtos.ConfigurationMessage.Contact? {
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val result = SignalServiceProtos.ConfigurationMessage.Contact.newBuilder()
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result.name = this.name
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try {
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result.publicKey = ByteString.copyFrom(Hex.fromStringCondensed(publicKey))
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} catch (e: Exception) {
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return null
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}
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val profilePicture = profilePicture
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if (!profilePicture.isNullOrEmpty()) {
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result.profilePicture = profilePicture
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}
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val profileKey = profileKey
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if (profileKey != null) {
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result.profileKey = ByteString.copyFrom(profileKey)
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}
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return result.build()
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}
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}
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companion object {
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fun getCurrent(contacts: List<Contact>): ConfigurationMessage? {
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val closedGroups = mutableListOf<ClosedGroup>()
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val openGroups = mutableListOf<String>()
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val sharedConfig = MessagingModuleConfiguration.shared
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val storage = sharedConfig.storage
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val context = sharedConfig.context
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val displayName = TextSecurePreferences.getProfileName(context) ?: return null
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val profilePicture = TextSecurePreferences.getProfilePictureURL(context)
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val profileKey = ProfileKeyUtil.getProfileKey(context)
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val groups = storage.getAllGroups()
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for (group in groups) {
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if (group.isClosedGroup) {
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if (!group.members.contains(Address.fromSerialized(storage.getUserPublicKey()!!))) continue
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val groupPublicKey = GroupUtil.doubleDecodeGroupID(group.encodedId).toHexString()
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val encryptionKeyPair = storage.getLatestClosedGroupEncryptionKeyPair(groupPublicKey) ?: continue
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val closedGroup = ClosedGroup(groupPublicKey, group.title, encryptionKeyPair, group.members.map { it.serialize() }, group.admins.map { it.serialize() })
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closedGroups.add(closedGroup)
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}
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if (group.isOpenGroup) {
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val threadID = storage.getThreadID(group.encodedId) ?: continue
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val openGroup = storage.getOpenGroup(threadID)
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val openGroupV2 = storage.getV2OpenGroup(threadID)
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val shareUrl = openGroup?.server ?: openGroupV2?.joinURL ?: continue
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openGroups.add(shareUrl)
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}
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}
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return ConfigurationMessage(closedGroups, openGroups, contacts, displayName, profilePicture, profileKey)
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}
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fun fromProto(proto: SignalServiceProtos.Content): ConfigurationMessage? {
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if (!proto.hasConfigurationMessage()) return null
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val configurationProto = proto.configurationMessage
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val closedGroups = configurationProto.closedGroupsList.mapNotNull { ClosedGroup.fromProto(it) }
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val openGroups = configurationProto.openGroupsList
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val displayName = configurationProto.displayName
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val profilePicture = configurationProto.profilePicture
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val profileKey = configurationProto.profileKey
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val contacts = configurationProto.contactsList.mapNotNull { Contact.fromProto(it) }
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return ConfigurationMessage(closedGroups, openGroups, contacts, displayName, profilePicture, profileKey.toByteArray())
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}
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}
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internal constructor(): this(listOf(), listOf(), listOf(), "", null, byteArrayOf())
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override fun toProto(): SignalServiceProtos.Content? {
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val configurationProto = SignalServiceProtos.ConfigurationMessage.newBuilder()
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configurationProto.addAllClosedGroups(closedGroups.mapNotNull { it.toProto() })
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configurationProto.addAllOpenGroups(openGroups)
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configurationProto.addAllContacts(this.contacts.mapNotNull { it.toProto() })
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configurationProto.displayName = displayName
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val profilePicture = profilePicture
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if (!profilePicture.isNullOrEmpty()) {
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configurationProto.profilePicture = profilePicture
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}
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configurationProto.profileKey = ByteString.copyFrom(profileKey)
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val contentProto = SignalServiceProtos.Content.newBuilder()
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contentProto.configurationMessage = configurationProto.build()
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return contentProto.build()
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}
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override fun toString(): String {
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return """
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ConfigurationMessage(
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closedGroups: ${(closedGroups)},
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openGroups: ${(openGroups)},
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displayName: $displayName,
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profilePicture: $profilePicture,
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profileKey: $profileKey
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)
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""".trimIndent()
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}
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} |