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crypto: Send out to-device requests to share the room key

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This commit is contained in:
Damir Jelić 2021-03-05 13:27:32 +01:00
parent 4c44a5e108
commit 5f848093b9
5 changed files with 53 additions and 4 deletions
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21
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
View file

@ -91,6 +91,7 @@ import org.matrix.android.sdk.internal.crypto.tasks.GetDeviceInfoTask
import org.matrix.android.sdk.internal.crypto.tasks.GetDevicesTask
import org.matrix.android.sdk.internal.crypto.tasks.NewUploadKeysTask
import org.matrix.android.sdk.internal.crypto.tasks.SetDeviceNameTask
import org.matrix.android.sdk.internal.crypto.tasks.SendToDeviceTask
import org.matrix.android.sdk.internal.crypto.tasks.UploadKeysTask
import org.matrix.android.sdk.internal.crypto.tasks.ClaimOneTimeKeysForUsersDeviceTask
import org.matrix.android.sdk.internal.crypto.verification.DefaultVerificationService
@ -174,6 +175,7 @@ internal class DefaultCryptoService @Inject constructor(
// Tasks
private val getDevicesTask: GetDevicesTask,
private val oneTimeKeysForUsersDeviceTask: ClaimOneTimeKeysForUsersDeviceTask,
private val sendToDeviceTask: SendToDeviceTask,
private val downloadKeysForUsersTask: DownloadKeysForUsersTask,
private val getDeviceInfoTask: GetDeviceInfoTask,
private val setDeviceNameTask: SetDeviceNameTask,
@ -962,9 +964,9 @@ internal class DefaultCryptoService @Inject constructor(
private suspend fun preshareGroupSession(roomId: String, roomMembers: List<String>) {
val request = olmMachine!!.getMissingSessions(roomMembers)
roomId == "est"
if (request != null) {
// This request can only be a keys claim request.
when (request) {
is Request.KeysClaim -> {
val claimParams = ClaimOneTimeKeysForUsersDeviceTask.Params(request.oneTimeKeys)
@ -975,6 +977,23 @@ internal class DefaultCryptoService @Inject constructor(
}
}
}
for (toDeviceRequest in olmMachine!!.shareGroupSession(roomId, roomMembers)) {
// This request can only be a to-device request.
when (toDeviceRequest) {
is Request.ToDevice -> {
val adapter = MoshiProvider.providesMoshi().adapter<Map<String, HashMap<String, Any>>>(Map::class.java)
val body = adapter.fromJson(toDeviceRequest.body)!!
val userMap = MXUsersDevicesMap<Any>()
userMap.join(body)
val sendToDeviceParams = SendToDeviceTask.Params(toDeviceRequest.eventType, userMap)
sendToDeviceTask.execute(sendToDeviceParams)
olmMachine!!.markRequestAsSent(toDeviceRequest.requestId, RequestType.TO_DEVICE, "{}")
}
}
}
}
// private suspend fun encrypt(roomId: String, eventType: String, content: Content) {

4
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/MXUsersDevicesMap.kt
View file

@ -115,6 +115,10 @@ class MXUsersDevicesMap<E> {
}
}
fun join(other: Map<out String, HashMap<String, E>>) {
map.putAll(other)
}
override fun toString(): String {
return "MXUsersDevicesMap $map"
}

4
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/newCrypto.kt
View file

@ -87,6 +87,10 @@ internal class OlmMachine(user_id: String, device_id: String, path: File) {
inner.outgoingRequests()
}
suspend fun shareGroupSession(roomId: String, users: List<String>): List<Request> = withContext(Dispatchers.IO) {
inner.shareGroupSession(roomId, users)
}
suspend fun getMissingSessions(users: List<String>): Request? = withContext(Dispatchers.IO) {
inner.getMissingSessions(users)
}

22
rust-sdk/src/machine.rs
View file

@ -26,7 +26,8 @@ use matrix_sdk_common::{
};
use matrix_sdk_crypto::{
IncomingResponse, OlmMachine as InnerMachine, OutgoingRequest, ToDeviceRequest,
EncryptionSettings, IncomingResponse, OlmMachine as InnerMachine, OutgoingRequest,
ToDeviceRequest,
};
use crate::error::{CryptoStoreError, DecryptionError, MachineCreationError};
@ -358,6 +359,25 @@ impl OlmMachine {
.block_on(self.inner.update_tracked_users(users.iter()));
}
pub fn share_group_session(&self, room_id: &str, users: Vec<String>) -> Vec<Request> {
let users: Vec<UserId> = users
.into_iter()
.filter_map(|u| UserId::try_from(u).ok())
.collect();
let room_id = RoomId::try_from(room_id).unwrap();
let requests = self
.runtime
.block_on(self.inner.share_group_session(
&room_id,
users.iter(),
EncryptionSettings::default(),
))
.unwrap();
requests.into_iter().map(|r| (&*r).into()).collect()
}
pub fn get_missing_sessions(
&self,
users: Vec<String>,

6
rust-sdk/src/olm.udl
View file

@ -84,11 +84,13 @@ interface OlmMachine {
Device? get_device([ByRef] string user_id, [ByRef] string device_id);
sequence<Device> get_user_devices([ByRef] string user_id);
sequence<Request> outgoing_requests();
void update_tracked_users(sequence<string> users);
sequence<Request> outgoing_requests();
void update_tracked_users(sequence<string> users);
[Throws=CryptoStoreError]
Request? get_missing_sessions(sequence<string> users);
sequence<Request> share_group_session([ByRef] string room_id, sequence<string> users);
[Throws=CryptoStoreError]
void mark_request_as_sent(