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share keys for history take2

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This commit is contained in:
Valere 2022-05-12 12:28:00 +02:00
parent 93aac8faea
commit 9b8e45ebfe
31 changed files with 673 additions and 325 deletions
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2
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/common/CryptoTestHelper.kt
View File

@ -81,7 +81,7 @@ class CryptoTestHelper(val testHelper: CommonTestHelper) {
val aliceSession = testHelper.createAccount(TestConstants.USER_ALICE, defaultSessionParams)
val roomId = testHelper.runBlockingTest {
aliceSession.createRoom(CreateRoomParams().apply {
aliceSession.roomService().createRoom(CreateRoomParams().apply {
historyVisibility = roomHistoryVisibility
name = "MyRoom"
})

82
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/internal/crypto/E2eeShareKeysHistoryTest.kt
View File

@ -19,6 +19,7 @@ package org.matrix.android.sdk.internal.crypto
import android.util.Log
import androidx.test.filters.LargeTest
import org.amshove.kluent.internal.assertEquals
import org.amshove.kluent.internal.assertNotEquals
import org.junit.Assert
import org.junit.FixMethodOrder
import org.junit.Test
@ -101,7 +102,7 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
// Bob should be able to decrypt the message
testHelper.waitWithLatch { latch ->
testHelper.retryPeriodicallyWithLatch(latch) {
val timelineEvent = bobSession.roomService().getRoom(e2eRoomID)?.getTimelineEvent(aliceMessageId!!)
val timelineEvent = bobSession.roomService().getRoom(e2eRoomID)?.timelineService()?.getTimelineEvent(aliceMessageId!!)
(timelineEvent != null &&
timelineEvent.isEncrypted() &&
timelineEvent.root.getClearType() == EventType.MESSAGE).also {
@ -119,7 +120,7 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
// Alice invites new user to the room
testHelper.runBlockingTest {
Log.v("#E2E TEST", "Alice invites ${arisSession.myUserId}")
aliceRoomPOV.invite(arisSession.myUserId)
aliceRoomPOV.membershipService().invite(arisSession.myUserId)
}
waitForAndAcceptInviteInRoom(arisSession, e2eRoomID, testHelper)
@ -135,7 +136,7 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
// Aris should be able to decrypt the message
testHelper.waitWithLatch { latch ->
testHelper.retryPeriodicallyWithLatch(latch) {
val timelineEvent = arisSession.roomService().getRoom(e2eRoomID)?.getTimelineEvent(aliceMessageId!!)
val timelineEvent = arisSession.roomService().getRoom(e2eRoomID)?.timelineService()?.getTimelineEvent(aliceMessageId!!)
(timelineEvent != null &&
timelineEvent.isEncrypted() &&
timelineEvent.root.getClearType() == EventType.MESSAGE
@ -152,7 +153,9 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
// Aris should not even be able to get the message
testHelper.waitWithLatch { latch ->
testHelper.retryPeriodicallyWithLatch(latch) {
val timelineEvent = arisSession.roomService().getRoom(e2eRoomID)?.getTimelineEvent(aliceMessageId!!)
val timelineEvent = arisSession.roomService().getRoom(e2eRoomID)
?.timelineService()
?.getTimelineEvent(aliceMessageId!!)
timelineEvent == null
}
}
@ -242,7 +245,7 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
// Alice
val aliceSession = cryptoTestData.firstSession
val aliceRoomPOV = aliceSession.roomService().getRoom(e2eRoomID)!!
val aliceCryptoStore = (aliceSession.cryptoService() as DefaultCryptoService).cryptoStoreForTesting
// val aliceCryptoStore = (aliceSession.cryptoService() as DefaultCryptoService).cryptoStoreForTesting
// Bob
val bobSession = cryptoTestData.secondSession
@ -256,35 +259,62 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
Log.v("#E2E TEST ROTATION", "Alice sent message to roomId: $e2eRoomID")
// Bob should be able to decrypt the message
var firstAliceMessageMegolmSessionId: String? = null
testHelper.waitWithLatch { latch ->
testHelper.retryPeriodicallyWithLatch(latch) {
val timelineEvent = bobSession.roomService().getRoom(e2eRoomID)?.getTimelineEvent(aliceMessageId!!)
val timelineEvent = bobSession.roomService().getRoom(e2eRoomID)
?.timelineService()
?.getTimelineEvent(aliceMessageId!!)
(timelineEvent != null &&
timelineEvent.isEncrypted() &&
timelineEvent.root.getClearType() == EventType.MESSAGE).also {
if (it) {
firstAliceMessageMegolmSessionId = timelineEvent?.root?.content?.get("session_id") as? String
Log.v("#E2E TEST", "Bob can decrypt the message: ${timelineEvent?.root?.getDecryptedTextSummary()}")
}
}
}
}
// Rotation has already been done so we do not need to rotate again
assertEquals(aliceCryptoStore.needsRotationDueToVisibilityChange(e2eRoomID), false)
Assert.assertNotNull("megolm session id can't be null", firstAliceMessageMegolmSessionId)
var secondAliceMessageSessionId: String? = null
sendMessageInRoom(aliceRoomPOV, "Other msg", testHelper)?.let { secondMessage ->
testHelper.waitWithLatch { latch ->
testHelper.retryPeriodicallyWithLatch(latch) {
val timelineEvent = bobSession.roomService().getRoom(e2eRoomID)
?.timelineService()
?.getTimelineEvent(secondMessage)
(timelineEvent != null &&
timelineEvent.isEncrypted() &&
timelineEvent.root.getClearType() == EventType.MESSAGE).also {
if (it) {
secondAliceMessageSessionId = timelineEvent?.root?.content?.get("session_id") as? String
}
}
}
}
}
assertEquals("No rotation needed session should be the same", firstAliceMessageMegolmSessionId, secondAliceMessageSessionId)
Log.v("#E2E TEST ROTATION", "No rotation needed yet")
// Let's change the room history visibility
testHelper.waitWithLatch {
aliceRoomPOV.sendStateEvent(
eventType = EventType.STATE_ROOM_HISTORY_VISIBILITY,
stateKey = "",
body = RoomHistoryVisibilityContent(_historyVisibility = nextRoomHistoryVisibility._historyVisibility).toContent()
)
aliceRoomPOV.stateService()
.sendStateEvent(
eventType = EventType.STATE_ROOM_HISTORY_VISIBILITY,
stateKey = "",
body = RoomHistoryVisibilityContent(
_historyVisibility = nextRoomHistoryVisibility._historyVisibility
).toContent()
)
it.countDown()
}
testHelper.waitWithLatch { latch ->
testHelper.retryPeriodicallyWithLatch(latch) {
val roomVisibility = aliceSession.getRoom(e2eRoomID)!!
.stateService()
.getStateEvent(EventType.STATE_ROOM_HISTORY_VISIBILITY)
?.content
?.toModel<RoomHistoryVisibilityContent>()
@ -293,13 +323,31 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
}
}
var aliceThirdMessageSessionId: String? = null
sendMessageInRoom(aliceRoomPOV, "Message after visibility change", testHelper)?.let { thirdMessage ->
testHelper.waitWithLatch { latch ->
testHelper.retryPeriodicallyWithLatch(latch) {
val timelineEvent = bobSession.roomService().getRoom(e2eRoomID)
?.timelineService()
?.getTimelineEvent(thirdMessage)
(timelineEvent != null &&
timelineEvent.isEncrypted() &&
timelineEvent.root.getClearType() == EventType.MESSAGE).also {
if (it) {
aliceThirdMessageSessionId = timelineEvent?.root?.content?.get("session_id") as? String
}
}
}
}
}
when {
initRoomHistoryVisibility.shouldShareHistory() == nextRoomHistoryVisibility.historyVisibility?.shouldShareHistory() -> {
assertEquals(aliceCryptoStore.needsRotationDueToVisibilityChange(e2eRoomID), false)
assertEquals("Session shouldn't have been rotated", secondAliceMessageSessionId, aliceThirdMessageSessionId)
Log.v("#E2E TEST ROTATION", "Rotation is not needed")
}
initRoomHistoryVisibility.shouldShareHistory() != nextRoomHistoryVisibility.historyVisibility!!.shouldShareHistory() -> {
assertEquals(aliceCryptoStore.needsRotationDueToVisibilityChange(e2eRoomID), true)
assertNotEquals("Session should have been rotated", secondAliceMessageSessionId, aliceThirdMessageSessionId)
Log.v("#E2E TEST ROTATION", "Rotation is needed!")
}
}
@ -308,10 +356,10 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
}
private fun sendMessageInRoom(aliceRoomPOV: Room, text: String, testHelper: CommonTestHelper): String? {
aliceRoomPOV.sendTextMessage(text)
aliceRoomPOV.sendService().sendTextMessage(text)
var sentEventId: String? = null
testHelper.waitWithLatch(4 * TestConstants.timeOutMillis) { latch ->
val timeline = aliceRoomPOV.createTimeline(null, TimelineSettings(60))
val timeline = aliceRoomPOV.timelineService().createTimeline(null, TimelineSettings(60))
timeline.start()
testHelper.retryPeriodicallyWithLatch(latch) {
val decryptedMsg = timeline.getSnapshot()

2
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/internal/crypto/PreShareKeysTest.kt
View File

@ -72,7 +72,7 @@ class PreShareKeysTest : InstrumentedTest {
assertNotNull("Bob should have received and decrypted a room key event from alice", bobInboundForAlice)
assertEquals("Wrong room", e2eRoomID, bobInboundForAlice!!.roomId)
val megolmSessionId = bobInboundForAlice.olmInboundGroupSession!!.sessionIdentifier()
val megolmSessionId = bobInboundForAlice.session.sessionIdentifier()
assertEquals("Wrong session", aliceOutboundSessionInRoom, megolmSessionId)

4
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/internal/crypto/keysbackup/KeysBackupScenarioData.kt
View File

@ -19,14 +19,14 @@ package org.matrix.android.sdk.internal.crypto.keysbackup
import org.matrix.android.sdk.api.session.Session
import org.matrix.android.sdk.common.CommonTestHelper
import org.matrix.android.sdk.common.CryptoTestData
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper
/**
* Data class to store result of [KeysBackupTestHelper.createKeysBackupScenarioWithPassword]
*/
internal data class KeysBackupScenarioData(
val cryptoTestData: CryptoTestData,
val aliceKeys: List<OlmInboundGroupSessionWrapper2>,
val aliceKeys: List<MXInboundMegolmSessionWrapper>,
val prepareKeysBackupDataResult: PrepareKeysBackupDataResult,
val aliceSession2: Session
) {

4
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/internal/crypto/keysbackup/KeysBackupTest.kt
View File

@ -301,7 +301,7 @@ class KeysBackupTest : InstrumentedTest {
val keyBackupCreationInfo = keysBackupTestHelper.prepareAndCreateKeysBackupData(keysBackup).megolmBackupCreationInfo
// - Check encryptGroupSession() returns stg
val keyBackupData = keysBackup.encryptGroupSession(session)
val keyBackupData = testHelper.runBlockingTest { keysBackup.encryptGroupSession(session) }
assertNotNull(keyBackupData)
assertNotNull(keyBackupData!!.sessionData)
@ -312,7 +312,7 @@ class KeysBackupTest : InstrumentedTest {
val sessionData = keysBackup
.decryptKeyBackupData(
keyBackupData,
session.olmInboundGroupSession!!.sessionIdentifier(),
session.safeSessionId!!,
cryptoTestData.roomId,
decryption!!
)

2
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/internal/crypto/keysbackup/KeysBackupTestHelper.kt
View File

@ -187,7 +187,7 @@ internal class KeysBackupTestHelper(
// - Alice must have the same keys on both devices
for (aliceKey1 in testData.aliceKeys) {
val aliceKey2 = (testData.aliceSession2.cryptoService().keysBackupService() as DefaultKeysBackupService).store
.getInboundGroupSession(aliceKey1.olmInboundGroupSession!!.sessionIdentifier(), aliceKey1.senderKey!!)
.getInboundGroupSession(aliceKey1.safeSessionId!!, aliceKey1.senderKey!!)
Assert.assertNotNull(aliceKey2)
assertKeysEquals(aliceKey1.exportKeys(), aliceKey2!!.exportKeys())
}

2
matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/CryptoService.kt
View File

@ -181,5 +181,5 @@ interface CryptoService {
/**
* Share all inbound sessions of the last chunk messages to the provided userId devices
*/
fun sendSharedHistoryKeys(roomId: String, userId: String, sessionInfoSet: Set<SessionInfo>?)
suspend fun sendSharedHistoryKeys(roomId: String, userId: String, sessionInfoSet: Set<SessionInfo>?)
}

9
matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/model/ForwardedRoomKeyContent.kt
View File

@ -69,5 +69,12 @@ data class ForwardedRoomKeyContent(
* private part of this key unless they have done device verification.
*/
@Json(name = "sender_claimed_ed25519_key")
val senderClaimedEd25519Key: String? = null
val senderClaimedEd25519Key: String? = null,
/**
* MSC3061
* Identifies keys that were sent when the room's visibility setting was set to world_readable or shared
*/
@Json(name = "org.matrix.msc3061.shared_history")
val sharedHistory: Boolean? = false,
)

10
matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/events/model/content/RoomKeyContent.kt
View File

@ -38,5 +38,13 @@ data class RoomKeyContent(
// should be a Long but it is sometimes a double
@Json(name = "chain_index")
val chainIndex: Any? = null
val chainIndex: Any? = null,
/**
* MSC3061
* Identifies keys that were sent when the room's visibility setting was set to world_readable or shared
*/
@Json(name = "org.matrix.msc3061.shared_history")
val sharedHistory: Boolean? = false
)

62
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
View File

@ -110,6 +110,7 @@ import org.matrix.olm.OlmManager
import timber.log.Timber
import java.util.concurrent.atomic.AtomicBoolean
import javax.inject.Inject
import kotlin.coroutines.coroutineContext
import kotlin.math.max
/**
@ -965,10 +966,13 @@ internal class DefaultCryptoService @Inject constructor(
private fun onRoomHistoryVisibilityEvent(roomId: String, event: Event) {
if (!event.isStateEvent()) return
val eventContent = event.content.toModel<RoomHistoryVisibilityContent>()
eventContent?.historyVisibility?.let {
cryptoStore.setShouldEncryptForInvitedMembers(roomId, it != RoomHistoryVisibility.JOINED)
cryptoStore.setShouldShareHistory(roomId, it.shouldShareHistory())
} ?: cryptoStore.setShouldShareHistory(roomId, false)
val historyVisibility = eventContent?.historyVisibility
if (historyVisibility == null) {
cryptoStore.setShouldShareHistory(roomId, false)
} else {
cryptoStore.setShouldEncryptForInvitedMembers(roomId, historyVisibility != RoomHistoryVisibility.JOINED)
cryptoStore.setShouldShareHistory(roomId, historyVisibility.shouldShareHistory())
}
}
/**
@ -1338,36 +1342,26 @@ internal class DefaultCryptoService @Inject constructor(
}
}
override fun sendSharedHistoryKeys(roomId: String, userId: String, sessionInfoSet: Set<SessionInfo>?) {
cryptoCoroutineScope.launch(coroutineDispatchers.crypto) {
runCatching {
deviceListManager.downloadKeys(listOf(userId), false)
}.mapCatching {
val userDevices = cryptoStore.getUserDevices(userId)
userDevices?.forEach {
// Lets share the provided inbound sessions for every user device
val deviceId = it.key
sessionInfoSet?.mapNotNull { sessionInfo ->
// Get inbound session from sessionId and sessionKey
cryptoStore.getInboundGroupSession(
sessionId = sessionInfo.sessionId,
senderKey = sessionInfo.senderKey,
sharedHistory = true
)
}?.filter { inboundGroupSession ->
// Prevent injecting a forged encrypted message and using session_id/sender_key of another room.
(inboundGroupSession.roomId == roomId).also {
Timber.tag(loggerTag.value).d("Forged encrypted message detected for roomId:$roomId")
}
}?.forEach { inboundGroupSession ->
// Share the sharable session to userId with deviceId
val exportedKeys = inboundGroupSession.exportKeys(sharedHistory = true)
val algorithm = exportedKeys?.algorithm
val decryptor = roomDecryptorProvider.getRoomDecryptor(roomId, algorithm)
decryptor?.shareForwardKeysWithDevice(exportedKeys, deviceId, userId)
Timber.i("## CRYPTO | Sharing inbound session")
}
}
override suspend fun sendSharedHistoryKeys(roomId: String, userId: String, sessionInfoSet: Set<SessionInfo>?) {
deviceListManager.downloadKeys(listOf(userId), false)
val userDevices = cryptoStore.getUserDeviceList(userId)
val sessionToShare = sessionInfoSet.orEmpty().mapNotNull { sessionInfo ->
// Get inbound session from sessionId and sessionKey
withContext(coroutineDispatchers.crypto) {
olmDevice.getInboundGroupSession(
sessionId = sessionInfo.sessionId,
senderKey = sessionInfo.senderKey,
roomId = roomId
).takeIf { it.wrapper.sessionData.sharedHistory }
}
}
userDevices?.forEach { deviceInfo ->
// Lets share the provided inbound sessions for every user device
sessionToShare.forEach { inboundGroupSession ->
val encryptor = roomEncryptorsStore.get(roomId)
encryptor?.shareHistoryKeysWithDevice(inboundGroupSession, deviceInfo)
Timber.i("## CRYPTO | Sharing inbound session")
}
}
}

18
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/InboundGroupSessionStore.kt
View File

@ -23,7 +23,7 @@ import kotlinx.coroutines.sync.Mutex
import org.matrix.android.sdk.api.MatrixCoroutineDispatchers
import org.matrix.android.sdk.api.extensions.tryOrNull
import org.matrix.android.sdk.api.logger.LoggerTag
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper
import org.matrix.android.sdk.internal.crypto.store.IMXCryptoStore
import timber.log.Timber
import java.util.Timer
@ -31,7 +31,7 @@ import java.util.TimerTask
import javax.inject.Inject
internal data class InboundGroupSessionHolder(
val wrapper: OlmInboundGroupSessionWrapper2,
val wrapper: MXInboundMegolmSessionWrapper,
val mutex: Mutex = Mutex()
)
@ -58,7 +58,7 @@ internal class InboundGroupSessionStore @Inject constructor(
cryptoCoroutineScope.launch(coroutineDispatchers.crypto) {
Timber.tag(loggerTag.value).v("## Inbound: entryRemoved ${oldValue.wrapper.roomId}-${oldValue.wrapper.senderKey}")
store.storeInboundGroupSessions(listOf(oldValue).map { it.wrapper })
oldValue.wrapper.olmInboundGroupSession?.releaseSession()
oldValue.wrapper.session.releaseSession()
}
}
}
@ -67,7 +67,7 @@ internal class InboundGroupSessionStore @Inject constructor(
private val timer = Timer()
private var timerTask: TimerTask? = null
private val dirtySession = mutableListOf<OlmInboundGroupSessionWrapper2>()
private val dirtySession = mutableListOf<InboundGroupSessionHolder>()
@Synchronized
fun clear() {
@ -90,12 +90,12 @@ internal class InboundGroupSessionStore @Inject constructor(
@Synchronized
fun replaceGroupSession(old: InboundGroupSessionHolder, new: InboundGroupSessionHolder, sessionId: String, senderKey: String) {
Timber.tag(loggerTag.value).v("## Replacing outdated session ${old.wrapper.roomId}-${old.wrapper.senderKey}")
dirtySession.remove(old.wrapper)
dirtySession.remove(old)
store.removeInboundGroupSession(sessionId, senderKey)
sessionCache.remove(CacheKey(sessionId, senderKey))
// release removed session
old.wrapper.olmInboundGroupSession?.releaseSession()
old.wrapper.session.releaseSession()
internalStoreGroupSession(new, sessionId, senderKey)
}
@ -108,7 +108,7 @@ internal class InboundGroupSessionStore @Inject constructor(
private fun internalStoreGroupSession(holder: InboundGroupSessionHolder, sessionId: String, senderKey: String) {
Timber.tag(loggerTag.value).v("## Inbound: getInboundGroupSession mark as dirty ${holder.wrapper.roomId}-${holder.wrapper.senderKey}")
// We want to batch this a bit for performances
dirtySession.add(holder.wrapper)
dirtySession.add(holder)
if (sessionCache[CacheKey(sessionId, senderKey)] == null) {
// first time seen, put it in memory cache while waiting for batch insert
@ -127,12 +127,12 @@ internal class InboundGroupSessionStore @Inject constructor(
@Synchronized
private fun batchSave() {
val toSave = mutableListOf<OlmInboundGroupSessionWrapper2>().apply { addAll(dirtySession) }
val toSave = mutableListOf<InboundGroupSessionHolder>().apply { addAll(dirtySession) }
dirtySession.clear()
cryptoCoroutineScope.launch(coroutineDispatchers.crypto) {
Timber.tag(loggerTag.value).v("## Inbound: getInboundGroupSession batching save of ${toSave.size}")
tryOrNull {
store.storeInboundGroupSessions(toSave)
store.storeInboundGroupSessions(toSave.map { it.wrapper })
}
}
}

2
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/IncomingKeyRequestManager.kt
View File

@ -405,7 +405,7 @@ internal class IncomingKeyRequestManager @Inject constructor(
}
val export = sessionHolder.mutex.withLock {
sessionHolder.wrapper.exportKeys(/**TODO*/ false ,chainIndex)
sessionHolder.wrapper.exportKeys(chainIndex)
} ?: return false.also {
Timber.tag(loggerTag.value)
.e("shareKeysWithDevice: failed to export group session ${validRequest.sessionId}")

166
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/MXOlmDevice.kt
View File

@ -27,7 +27,8 @@ import org.matrix.android.sdk.api.util.JSON_DICT_PARAMETERIZED_TYPE
import org.matrix.android.sdk.api.util.JsonDict
import org.matrix.android.sdk.internal.crypto.algorithms.megolm.MXOutboundSessionInfo
import org.matrix.android.sdk.internal.crypto.algorithms.megolm.SharedWithHelper
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.model.InboundGroupSessionData
import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper
import org.matrix.android.sdk.internal.crypto.model.OlmSessionWrapper
import org.matrix.android.sdk.internal.crypto.store.IMXCryptoStore
import org.matrix.android.sdk.internal.di.MoshiProvider
@ -38,6 +39,7 @@ import org.matrix.android.sdk.internal.util.convertToUTF8
import org.matrix.android.sdk.internal.util.time.Clock
import org.matrix.olm.OlmAccount
import org.matrix.olm.OlmException
import org.matrix.olm.OlmInboundGroupSession
import org.matrix.olm.OlmMessage
import org.matrix.olm.OlmOutboundGroupSession
import org.matrix.olm.OlmSession
@ -514,8 +516,9 @@ internal class MXOlmDevice @Inject constructor(
return MXOutboundSessionInfo(
sessionId = sessionId,
sharedWithHelper = SharedWithHelper(roomId, sessionId, store),
clock,
restoredOutboundGroupSession.creationTime
clock = clock,
creationTime = restoredOutboundGroupSession.creationTime,
sharedHistory = restoredOutboundGroupSession.sharedHistory
)
}
return null
@ -600,38 +603,44 @@ internal class MXOlmDevice @Inject constructor(
* @param exportFormat true if the megolm keys are in export format
* @return true if the operation succeeds.
*/
fun addInboundGroupSession(
sessionId: String,
sessionKey: String,
roomId: String,
senderKey: String,
forwardingCurve25519KeyChain: List<String>,
keysClaimed: Map<String, String>,
exportFormat: Boolean
): AddSessionResult {
val candidateSession = OlmInboundGroupSessionWrapper2(sessionKey, exportFormat)
fun addInboundGroupSession(sessionId: String,
sessionKey: String,
roomId: String,
senderKey: String,
forwardingCurve25519KeyChain: List<String>,
keysClaimed: Map<String, String>,
exportFormat: Boolean,
sharedHistory: Boolean): AddSessionResult {
val candidateSession = tryOrNull("Failed to create inbound session in room $roomId") {
if (exportFormat) {
OlmInboundGroupSession.importSession(sessionKey)
} else {
OlmInboundGroupSession(sessionKey)
}
}
val existingSessionHolder = tryOrNull { getInboundGroupSession(sessionId, senderKey, roomId) }
val existingSession = existingSessionHolder?.wrapper
// If we have an existing one we should check if the new one is not better
if (existingSession != null) {
Timber.tag(loggerTag.value).d("## addInboundGroupSession() check if known session is better than candidate session")
try {
val existingFirstKnown = existingSession.firstKnownIndex ?: return AddSessionResult.NotImported.also {
val existingFirstKnown = tryOrNull { existingSession.session.firstKnownIndex } ?: return AddSessionResult.NotImported.also {
// This is quite unexpected, could throw if native was released?
Timber.tag(loggerTag.value).e("## addInboundGroupSession() null firstKnownIndex on existing session")
candidateSession.olmInboundGroupSession?.releaseSession()
candidateSession?.releaseSession()
// Probably should discard it?
}
val newKnownFirstIndex = candidateSession.firstKnownIndex
val newKnownFirstIndex = tryOrNull("Failed to get candidate first known index") { candidateSession?.firstKnownIndex }
// If our existing session is better we keep it
if (newKnownFirstIndex != null && existingFirstKnown <= newKnownFirstIndex) {
Timber.tag(loggerTag.value).d("## addInboundGroupSession() : ignore session our is better $senderKey/$sessionId")
candidateSession.olmInboundGroupSession?.releaseSession()
candidateSession?.releaseSession()
return AddSessionResult.NotImportedHigherIndex(newKnownFirstIndex.toInt())
}
} catch (failure: Throwable) {
Timber.tag(loggerTag.value).e("## addInboundGroupSession() Failed to add inbound: ${failure.localizedMessage}")
candidateSession.olmInboundGroupSession?.releaseSession()
candidateSession?.releaseSession()
return AddSessionResult.NotImported
}
}
@ -639,36 +648,42 @@ internal class MXOlmDevice @Inject constructor(
Timber.tag(loggerTag.value).d("## addInboundGroupSession() : Candidate session should be added $senderKey/$sessionId")
// sanity check on the new session
val candidateOlmInboundSession = candidateSession.olmInboundGroupSession
if (null == candidateOlmInboundSession) {
if (null == candidateSession) {
Timber.tag(loggerTag.value).e("## addInboundGroupSession : invalid session <null>")
return AddSessionResult.NotImported
}
try {
if (candidateOlmInboundSession.sessionIdentifier() != sessionId) {
if (candidateSession.sessionIdentifier() != sessionId) {
Timber.tag(loggerTag.value).e("## addInboundGroupSession : ERROR: Mismatched group session ID from senderKey: $senderKey")
candidateOlmInboundSession.releaseSession()
candidateSession.releaseSession()
return AddSessionResult.NotImported
}
} catch (e: Throwable) {
candidateOlmInboundSession.releaseSession()
candidateSession.releaseSession()
Timber.tag(loggerTag.value).e(e, "## addInboundGroupSession : sessionIdentifier() failed")
return AddSessionResult.NotImported
}
candidateSession.senderKey = senderKey
candidateSession.roomId = roomId
candidateSession.keysClaimed = keysClaimed
candidateSession.forwardingCurve25519KeyChain = forwardingCurve25519KeyChain
val candidateSessionData = InboundGroupSessionData(
senderKey = senderKey,
roomId = roomId,
keysClaimed = keysClaimed,
forwardingCurve25519KeyChain = forwardingCurve25519KeyChain,
sharedHistory = sharedHistory,
)
val wrapper = MXInboundMegolmSessionWrapper(
candidateSession,
candidateSessionData
)
if (existingSession != null) {
inboundGroupSessionStore.replaceGroupSession(existingSessionHolder, InboundGroupSessionHolder(candidateSession), sessionId, senderKey)
inboundGroupSessionStore.replaceGroupSession(existingSessionHolder, InboundGroupSessionHolder(wrapper), sessionId, senderKey)
} else {
inboundGroupSessionStore.storeInBoundGroupSession(InboundGroupSessionHolder(candidateSession), sessionId, senderKey)
inboundGroupSessionStore.storeInBoundGroupSession(InboundGroupSessionHolder(wrapper), sessionId, senderKey)
}
return AddSessionResult.Imported(candidateSession.firstKnownIndex?.toInt() ?: 0)
return AddSessionResult.Imported(candidateSession.firstKnownIndex.toInt())
}
/**
@ -677,41 +692,22 @@ internal class MXOlmDevice @Inject constructor(
* @param megolmSessionsData the megolm sessions data
* @return the successfully imported sessions.
*/
fun importInboundGroupSessions(megolmSessionsData: List<MegolmSessionData>): List<OlmInboundGroupSessionWrapper2> {
val sessions = ArrayList<OlmInboundGroupSessionWrapper2>(megolmSessionsData.size)
fun importInboundGroupSessions(megolmSessionsData: List<MegolmSessionData>): List<MXInboundMegolmSessionWrapper> {
val sessions = ArrayList<MXInboundMegolmSessionWrapper>(megolmSessionsData.size)
for (megolmSessionData in megolmSessionsData) {
val sessionId = megolmSessionData.sessionId ?: continue
val senderKey = megolmSessionData.senderKey ?: continue
val roomId = megolmSessionData.roomId
var candidateSessionToImport: OlmInboundGroupSessionWrapper2? = null
try {
candidateSessionToImport = OlmInboundGroupSessionWrapper2(megolmSessionData)
} catch (e: Exception) {
Timber.tag(loggerTag.value).e(e, "## importInboundGroupSession() : Update for megolm session $senderKey/$sessionId")
}
// sanity check
if (candidateSessionToImport?.olmInboundGroupSession == null) {
Timber.tag(loggerTag.value).e("## importInboundGroupSession : invalid session")
continue
}
val candidateOlmInboundGroupSession = candidateSessionToImport.olmInboundGroupSession
try {
if (candidateOlmInboundGroupSession?.sessionIdentifier() != sessionId) {
Timber.tag(loggerTag.value).e("## importInboundGroupSession : ERROR: Mismatched group session ID from senderKey: $senderKey")
candidateOlmInboundGroupSession?.releaseSession()
continue
}
} catch (e: Exception) {
Timber.tag(loggerTag.value).e(e, "## importInboundGroupSession : sessionIdentifier() failed")
candidateOlmInboundGroupSession?.releaseSession()
val candidateSessionToImport = try {
MXInboundMegolmSessionWrapper.newFromMegolmData(megolmSessionData, true)
} catch (e: Throwable) {
Timber.tag(loggerTag.value).e(e, "## importInboundGroupSession() : Failed to import session $senderKey/$sessionId")
continue
}
val candidateOlmInboundGroupSession = candidateSessionToImport.session
val existingSessionHolder = tryOrNull { getInboundGroupSession(sessionId, senderKey, roomId) }
val existingSession = existingSessionHolder?.wrapper
@ -721,16 +717,16 @@ internal class MXOlmDevice @Inject constructor(
sessions.add(candidateSessionToImport)
} else {
Timber.tag(loggerTag.value).e("## importInboundGroupSession() : Update for megolm session $senderKey/$sessionId")
val existingFirstKnown = tryOrNull { existingSession.firstKnownIndex }
val candidateFirstKnownIndex = tryOrNull { candidateSessionToImport.firstKnownIndex }
val existingFirstKnown = tryOrNull { existingSession.session.firstKnownIndex }
val candidateFirstKnownIndex = tryOrNull { candidateSessionToImport.session.firstKnownIndex }
if (existingFirstKnown == null || candidateFirstKnownIndex == null) {
// should not happen?
candidateSessionToImport.olmInboundGroupSession?.releaseSession()
candidateSessionToImport.session.releaseSession()
Timber.tag(loggerTag.value)
.w("## importInboundGroupSession() : Can't check session null index $existingFirstKnown/$candidateFirstKnownIndex")
} else {
if (existingFirstKnown <= candidateSessionToImport.firstKnownIndex!!) {
if (existingFirstKnown <= candidateFirstKnownIndex) {
// Ignore this, keep existing
candidateOlmInboundGroupSession.releaseSession()
} else {
@ -774,18 +770,17 @@ internal class MXOlmDevice @Inject constructor(
): OlmDecryptionResult {
val sessionHolder = getInboundGroupSession(sessionId, senderKey, roomId)
val wrapper = sessionHolder.wrapper
val inboundGroupSession = wrapper.olmInboundGroupSession
?: throw MXCryptoError.Base(MXCryptoError.ErrorType.UNABLE_TO_DECRYPT, "Session is null")
if (roomId != wrapper.roomId) {
// Check that the room id matches the original one for the session. This stops
// the HS pretending a message was targeting a different room.
val reason = String.format(MXCryptoError.INBOUND_SESSION_MISMATCH_ROOM_ID_REASON, roomId, wrapper.roomId)
Timber.tag(loggerTag.value).e("## decryptGroupMessage() : $reason")
throw MXCryptoError.Base(MXCryptoError.ErrorType.INBOUND_SESSION_MISMATCH_ROOM_ID, reason)
}
val decryptResult = try {
sessionHolder.mutex.withLock {
inboundGroupSession.decryptMessage(body)
val inboundGroupSession = wrapper.session
// Check that the room id matches the original one for the session. This stops
// the HS pretending a message was targeting a different room.
if (roomId == wrapper.roomId) {
val decryptResult = try {
sessionHolder.mutex.withLock {
inboundGroupSession.decryptMessage(body)
}
} catch (e: OlmException) {
Timber.tag(loggerTag.value).e(e, "## decryptGroupMessage () : decryptMessage failed")
throw MXCryptoError.OlmError(e)
}
} catch (e: OlmException) {
Timber.tag(loggerTag.value).e(e, "## decryptGroupMessage () : decryptMessage failed")
@ -820,12 +815,27 @@ internal class MXOlmDevice @Inject constructor(
throw MXCryptoError.Base(MXCryptoError.ErrorType.BAD_DECRYPTED_FORMAT, MXCryptoError.BAD_DECRYPTED_FORMAT_TEXT_REASON)
}
return OlmDecryptionResult(
payload,
wrapper.keysClaimed,
senderKey,
wrapper.forwardingCurve25519KeyChain
)
inboundGroupSessionStore.storeInBoundGroupSession(sessionHolder, sessionId, senderKey)
val payload = try {
val adapter = MoshiProvider.providesMoshi().adapter<JsonDict>(JSON_DICT_PARAMETERIZED_TYPE)
val payloadString = convertFromUTF8(decryptResult.mDecryptedMessage)
adapter.fromJson(payloadString)
} catch (e: Exception) {
Timber.tag(loggerTag.value).e("## decryptGroupMessage() : fails to parse the payload")
throw MXCryptoError.Base(MXCryptoError.ErrorType.BAD_DECRYPTED_FORMAT, MXCryptoError.BAD_DECRYPTED_FORMAT_TEXT_REASON)
}
return OlmDecryptionResult(
payload,
wrapper.sessionData.keysClaimed,
senderKey,
wrapper.sessionData.forwardingCurve25519KeyChain
)
} else {
val reason = String.format(MXCryptoError.INBOUND_SESSION_MISMATCH_ROOM_ID_REASON, roomId, wrapper.roomId)
Timber.tag(loggerTag.value).e("## decryptGroupMessage() : $reason")
throw MXCryptoError.Base(MXCryptoError.ErrorType.INBOUND_SESSION_MISMATCH_ROOM_ID, reason)
}
}
/**

5
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/OutgoingKeyRequestManager.kt
View File

@ -437,7 +437,10 @@ internal class OutgoingKeyRequestManager @Inject constructor(
if (perSessionBackupQueryRateLimiter.tryFromBackupIfPossible(sessionId, roomId)) {
// let's see what's the index
val knownIndex = tryOrNull {
inboundGroupSessionStore.getInboundGroupSession(sessionId, request.requestBody?.senderKey ?: "")?.wrapper?.firstKnownIndex
inboundGroupSessionStore.getInboundGroupSession(sessionId, request.requestBody?.senderKey ?: "")
?.wrapper
?.session
?.firstKnownIndex
}
if (knownIndex != null && knownIndex <= request.fromIndex) {
// we found the key in backup with good enough index, so we can just mark as cancelled, no need to send request

5
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/actions/MegolmSessionDataImporter.kt
View File

@ -84,8 +84,9 @@ internal class MegolmSessionDataImporter @Inject constructor(
megolmSessionData.senderKey ?: "",
tryOrNull {
olmInboundGroupSessionWrappers
.firstOrNull { it.olmInboundGroupSession?.sessionIdentifier() == megolmSessionData.sessionId }
?.firstKnownIndex?.toInt()
.firstOrNull { it.session.sessionIdentifier() == megolmSessionData.sessionId }
?.session?.firstKnownIndex
?.toInt()
} ?: 0
)

3
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/IMXDecrypting.kt
View File

@ -19,7 +19,6 @@ package org.matrix.android.sdk.internal.crypto.algorithms
import org.matrix.android.sdk.api.session.crypto.MXCryptoError
import org.matrix.android.sdk.api.session.crypto.model.MXEventDecryptionResult
import org.matrix.android.sdk.api.session.events.model.Event
import org.matrix.android.sdk.internal.crypto.MegolmSessionData
import org.matrix.android.sdk.internal.crypto.keysbackup.DefaultKeysBackupService
/**
@ -44,6 +43,4 @@ internal interface IMXDecrypting {
* @param defaultKeysBackupService the keys backup service
*/
fun onRoomKeyEvent(event: Event, defaultKeysBackupService: DefaultKeysBackupService) {}
fun shareForwardKeysWithDevice(exportedKeys: MegolmSessionData?, deviceId: String, userId: String) {}
}

4
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/IMXEncrypting.kt
View File

@ -16,7 +16,9 @@
package org.matrix.android.sdk.internal.crypto.algorithms
import org.matrix.android.sdk.api.session.crypto.model.CryptoDeviceInfo
import org.matrix.android.sdk.api.session.events.model.Content
import org.matrix.android.sdk.internal.crypto.InboundGroupSessionHolder
/**
* An interface for encrypting data.
@ -32,4 +34,6 @@ internal interface IMXEncrypting {
* @return the encrypted content
*/
suspend fun encryptEventContent(eventContent: Content, eventType: String, userIds: List<String>): Content
suspend fun shareHistoryKeysWithDevice(inboundSessionWrapper: InboundGroupSessionHolder, deviceInfo: CryptoDeviceInfo) {}
}

55
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/megolm/MXMegolmDecryption.kt
View File

@ -28,7 +28,6 @@ import org.matrix.android.sdk.api.session.events.model.content.EncryptedEventCon
import org.matrix.android.sdk.api.session.events.model.content.RoomKeyContent
import org.matrix.android.sdk.api.session.events.model.toModel
import org.matrix.android.sdk.internal.crypto.MXOlmDevice
import org.matrix.android.sdk.internal.crypto.MegolmSessionData
import org.matrix.android.sdk.internal.crypto.OutgoingKeyRequestManager
import org.matrix.android.sdk.internal.crypto.algorithms.IMXDecrypting
import org.matrix.android.sdk.internal.crypto.keysbackup.DefaultKeysBackupService
@ -241,13 +240,14 @@ internal class MXMegolmDecryption(
Timber.tag(loggerTag.value).i("onRoomKeyEvent addInboundGroupSession ${roomKeyContent.sessionId}")
val addSessionResult = olmDevice.addInboundGroupSession(
roomKeyContent.sessionId,
roomKeyContent.sessionKey,
roomKeyContent.roomId,
senderKey,
forwardingCurve25519KeyChain,
keysClaimed,
exportFormat
sessionId = roomKeyContent.sessionId,
sessionKey = roomKeyContent.sessionKey,
roomId = roomKeyContent.roomId,
senderKey = senderKey,
forwardingCurve25519KeyChain = forwardingCurve25519KeyChain,
keysClaimed = keysClaimed,
exportFormat = exportFormat,
sharedHistory = roomKeyContent.sharedHistory ?: false
)
when (addSessionResult) {
@ -309,43 +309,4 @@ internal class MXMegolmDecryption(
newSessionListener?.onNewSession(roomId, senderKey, sessionId)
}
override fun shareForwardKeysWithDevice(exportedKeys: MegolmSessionData?, deviceId: String, userId: String) {
// exportedKeys ?: return
// cryptoCoroutineScope.launch(coroutineDispatchers.crypto) {
// runCatching { deviceListManager.downloadKeys(listOf(userId), false) }
// .mapCatching {
// val deviceInfo = cryptoStore.getUserDevice(userId, deviceId)
// if (deviceInfo == null) {
// throw RuntimeException()
// } else {
// val devicesByUser = mapOf(userId to listOf(deviceInfo))
// val usersDeviceMap = ensureOlmSessionsForDevicesAction.handle(devicesByUser)
// val olmSessionResult = usersDeviceMap.getObject(userId, deviceId)
// if (olmSessionResult?.sessionId == null) {
// // no session with this device, probably because there
// // were no one-time keys.
// Timber.tag(loggerTag.value).e("no session with this device $deviceId, probably because there were no one-time keys.")
// return@mapCatching
// }
// Timber.tag(loggerTag.value).i("shareKeysWithDevice() : sharing session ${exportedKeys.sessionId} with device $userId:$deviceId")
//
// val payloadJson = mapOf(
// "type" to EventType.FORWARDED_ROOM_KEY,
// "content" to exportedKeys
// )
//
// val encodedPayload = messageEncrypter.encryptMessage(payloadJson, listOf(deviceInfo))
// val sendToDeviceMap = MXUsersDevicesMap<Any>()
// sendToDeviceMap.setObject(userId, deviceId, encodedPayload)
// Timber.tag(loggerTag.value).i("shareKeysWithDevice() : sending ${exportedKeys.sessionId} to $userId:$deviceId")
// val sendToDeviceParams = SendToDeviceTask.Params(EventType.ENCRYPTED, sendToDeviceMap)
// try {
// sendToDeviceTask.execute(sendToDeviceParams)
// } catch (failure: Throwable) {
// Timber.tag(loggerTag.value).e(failure, "shareKeysWithDevice() : Failed to send ${exportedKeys.sessionId} to $userId:$deviceId")
// }
// }
// }
// }
}
}

114
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/megolm/MXMegolmEncryption.kt
View File

@ -32,6 +32,7 @@ import org.matrix.android.sdk.api.session.events.model.EventType
import org.matrix.android.sdk.api.session.events.model.content.RoomKeyWithHeldContent
import org.matrix.android.sdk.api.session.events.model.content.WithHeldCode
import org.matrix.android.sdk.internal.crypto.DeviceListManager
import org.matrix.android.sdk.internal.crypto.InboundGroupSessionHolder
import org.matrix.android.sdk.internal.crypto.MXOlmDevice
import org.matrix.android.sdk.internal.crypto.actions.EnsureOlmSessionsForDevicesAction
import org.matrix.android.sdk.internal.crypto.actions.MessageEncrypter
@ -151,14 +152,27 @@ internal class MXMegolmEncryption(
"ed25519" to olmDevice.deviceEd25519Key!!
)
val sharedHistory = cryptoStore.shouldShareHistory(roomId)
Timber.tag(loggerTag.value).v("prepareNewSessionInRoom() as sharedHistory $sharedHistory")
olmDevice.addInboundGroupSession(
sessionId!!, olmDevice.getSessionKey(sessionId)!!, roomId, olmDevice.deviceCurve25519Key!!,
emptyList(), keysClaimedMap, false
sessionId = sessionId!!,
sessionKey = olmDevice.getSessionKey(sessionId)!!,
roomId = roomId,
senderKey = olmDevice.deviceCurve25519Key!!,
forwardingCurve25519KeyChain = emptyList(),
keysClaimed = keysClaimedMap,
exportFormat = false,
sharedHistory = sharedHistory
)
defaultKeysBackupService.maybeBackupKeys()
return MXOutboundSessionInfo(sessionId, SharedWithHelper(roomId, sessionId, cryptoStore), clock)
return MXOutboundSessionInfo(
sessionId = sessionId,
sharedWithHelper = SharedWithHelper(roomId, sessionId, cryptoStore),
clock = clock,
sharedHistory = sharedHistory
)
}
/**
@ -173,11 +187,7 @@ internal class MXMegolmEncryption(
// Need to make a brand new session?
session.needsRotation(sessionRotationPeriodMsgs, sessionRotationPeriodMs) ||
// Is there a room history visibility change since the last outboundSession
cryptoStore.needsRotationDueToVisibilityChange(roomId).also {
if (it) {
Timber.tag(loggerTag.value).d("roomId:$roomId Room history visibility change detected since the last outbound session")
}
} ||
cryptoStore.shouldShareHistory(roomId) != session.sharedHistory ||
// Determine if we have shared with anyone we shouldn't have
session.sharedWithTooManyDevices(devicesInRoom)) {
Timber.tag(loggerTag.value).d("roomId:$roomId Starting new megolm session because we need to rotate.")
@ -240,23 +250,24 @@ internal class MXMegolmEncryption(
* @param session the session info
* @param devicesByUser the devices map
*/
private suspend fun shareUserDevicesKey(
session: MXOutboundSessionInfo,
devicesByUser: Map<String, List<CryptoDeviceInfo>>
) {
val sessionKey = olmDevice.getSessionKey(session.sessionId)
val chainIndex = olmDevice.getMessageIndex(session.sessionId)
private suspend fun shareUserDevicesKey(sessionInfo: MXOutboundSessionInfo,
devicesByUser: Map<String, List<CryptoDeviceInfo>>) {
val sessionKey = olmDevice.getSessionKey(sessionInfo.sessionId) ?: return Unit.also {
Timber.tag(loggerTag.value).v("shareUserDevicesKey() Failed to share session, failed to export")
}
val chainIndex = olmDevice.getMessageIndex(sessionInfo.sessionId)
val submap = HashMap<String, Any>()
submap["algorithm"] = MXCRYPTO_ALGORITHM_MEGOLM
submap["room_id"] = roomId
submap["session_id"] = session.sessionId
submap["session_key"] = sessionKey!!
submap["chain_index"] = chainIndex
val payload = HashMap<String, Any>()
payload["type"] = EventType.ROOM_KEY
payload["content"] = submap
val payload = mapOf(
"type" to EventType.ROOM_KEY,
"content" to mapOf(
"algorithm" to MXCRYPTO_ALGORITHM_MEGOLM,
"room_id" to roomId,
"session_id" to sessionInfo.sessionId,
"session_key" to sessionKey,
"chain_index" to chainIndex,
"org.matrix.msc3061.shared_history" to sessionInfo.sharedHistory
)
)
var t0 = clock.epochMillis()
Timber.tag(loggerTag.value).v("shareUserDevicesKey() : starts")
@ -298,7 +309,7 @@ internal class MXMegolmEncryption(
// for dead devices on every message.
for ((_, devicesToShareWith) in devicesByUser) {
for (deviceInfo in devicesToShareWith) {
session.sharedWithHelper.markedSessionAsShared(deviceInfo, chainIndex)
sessionInfo.sharedWithHelper.markedSessionAsShared(deviceInfo, chainIndex)
// XXX is it needed to add it to the audit trail?
// For now decided that no, we are more interested by forward trail
}
@ -306,8 +317,8 @@ internal class MXMegolmEncryption(
if (haveTargets) {
t0 = clock.epochMillis()
Timber.tag(loggerTag.value).i("shareUserDevicesKey() ${session.sessionId} : has target")
Timber.tag(loggerTag.value).d("sending to device room key for ${session.sessionId} to ${contentMap.toDebugString()}")
Timber.tag(loggerTag.value).i("shareUserDevicesKey() ${sessionInfo.sessionId} : has target")
Timber.tag(loggerTag.value).d("sending to device room key for ${sessionInfo.sessionId} to ${contentMap.toDebugString()}")
val sendToDeviceParams = SendToDeviceTask.Params(EventType.ENCRYPTED, contentMap)
try {
withContext(coroutineDispatchers.io) {
@ -316,7 +327,7 @@ internal class MXMegolmEncryption(
Timber.tag(loggerTag.value).i("shareUserDevicesKey() : sendToDevice succeeds after ${clock.epochMillis() - t0} ms")
} catch (failure: Throwable) {
// What to do here...
Timber.tag(loggerTag.value).e("shareUserDevicesKey() : Failed to share <${session.sessionId}>")
Timber.tag(loggerTag.value).e("shareUserDevicesKey() : Failed to share <${sessionInfo.sessionId}>")
}
} else {
Timber.tag(loggerTag.value).i("shareUserDevicesKey() : no need to share key")
@ -326,7 +337,7 @@ internal class MXMegolmEncryption(
// XXX offload?, as they won't read the message anyhow?
notifyKeyWithHeld(
noOlmToNotify,
session.sessionId,
sessionInfo.sessionId,
olmDevice.deviceCurve25519Key,
WithHeldCode.NO_OLM
)
@ -520,6 +531,51 @@ internal class MXMegolmEncryption(
}
}
@Throws
override suspend fun shareHistoryKeysWithDevice(inboundSessionWrapper: InboundGroupSessionHolder, deviceInfo: CryptoDeviceInfo) {
if (!inboundSessionWrapper.wrapper.sessionData.sharedHistory) throw IllegalArgumentException("This key can't be shared")
Timber.tag(loggerTag.value).i("process shareHistoryKeys for ${inboundSessionWrapper.wrapper.safeSessionId} to ${deviceInfo.shortDebugString()}")
val userId = deviceInfo.userId
val deviceId = deviceInfo.deviceId
val devicesByUser = mapOf(userId to listOf(deviceInfo))
val usersDeviceMap = try {
ensureOlmSessionsForDevicesAction.handle(devicesByUser)
} catch (failure: Throwable) {
Timber.tag(loggerTag.value).i(failure, "process shareHistoryKeys failed to ensure olm")
// process anyway?
null
}
val olmSessionResult = usersDeviceMap?.getObject(userId, deviceId)
if (olmSessionResult?.sessionId == null) {
Timber.tag(loggerTag.value).w("shareHistoryKeys: no session with this device, probably because there were no one-time keys")
return
}
val export = inboundSessionWrapper.mutex.withLock {
inboundSessionWrapper.wrapper.exportKeys()
} ?: return Unit.also {
Timber.tag(loggerTag.value).e("shareHistoryKeys: failed to export group session ${inboundSessionWrapper.wrapper.safeSessionId}")
}
val payloadJson = mapOf(
"type" to EventType.FORWARDED_ROOM_KEY,
"content" to export
)
val encodedPayload =
withContext(coroutineDispatchers.computation) {
messageEncrypter.encryptMessage(payloadJson, listOf(deviceInfo))
}
val sendToDeviceMap = MXUsersDevicesMap<Any>()
sendToDeviceMap.setObject(userId, deviceId, encodedPayload)
Timber.tag(loggerTag.value)
.d("shareHistoryKeys() : sending session ${inboundSessionWrapper.wrapper.safeSessionId} to ${deviceInfo.shortDebugString()}")
val sendToDeviceParams = SendToDeviceTask.Params(EventType.ENCRYPTED, sendToDeviceMap)
withContext(coroutineDispatchers.io) {
sendToDeviceTask.execute(sendToDeviceParams)
}
}
data class DeviceInRoomInfo(
val allowedDevices: MXUsersDevicesMap<CryptoDeviceInfo> = MXUsersDevicesMap(),
val withHeldDevices: MXUsersDevicesMap<WithHeldCode> = MXUsersDevicesMap()

1
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/megolm/MXOutboundSessionInfo.kt
View File

@ -28,6 +28,7 @@ internal class MXOutboundSessionInfo(
private val clock: Clock,
// When the session was created
private val creationTime: Long = clock.epochMillis(),
val sharedHistory: Boolean = false
) {
// Number of times this session has been used

28
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/keysbackup/DefaultKeysBackupService.kt
View File

@ -24,6 +24,7 @@ import androidx.annotation.WorkerThread
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import kotlinx.coroutines.sync.withLock
import kotlinx.coroutines.withContext
import org.matrix.android.sdk.api.MatrixCallback
import org.matrix.android.sdk.api.MatrixCoroutineDispatchers
@ -50,6 +51,7 @@ import org.matrix.android.sdk.api.session.crypto.keysbackup.toKeysVersionResult
import org.matrix.android.sdk.api.session.crypto.model.ImportRoomKeysResult
import org.matrix.android.sdk.api.util.awaitCallback
import org.matrix.android.sdk.api.util.fromBase64
import org.matrix.android.sdk.internal.crypto.InboundGroupSessionStore
import org.matrix.android.sdk.internal.crypto.MXOlmDevice
import org.matrix.android.sdk.internal.crypto.MegolmSessionData
import org.matrix.android.sdk.internal.crypto.ObjectSigner
@ -71,7 +73,7 @@ import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.GetRoomSessionsDa
import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.GetSessionsDataTask
import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.StoreSessionsDataTask
import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.UpdateKeysBackupVersionTask
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper
import org.matrix.android.sdk.internal.crypto.store.IMXCryptoStore
import org.matrix.android.sdk.internal.crypto.store.db.model.KeysBackupDataEntity
import org.matrix.android.sdk.internal.di.MoshiProvider
@ -118,6 +120,7 @@ internal class DefaultKeysBackupService @Inject constructor(
private val updateKeysBackupVersionTask: UpdateKeysBackupVersionTask,
// Task executor
private val taskExecutor: TaskExecutor,
private val inboundGroupSessionStore: InboundGroupSessionStore,
private val coroutineDispatchers: MatrixCoroutineDispatchers,
private val cryptoCoroutineScope: CoroutineScope
) : KeysBackupService {
@ -1316,7 +1319,7 @@ internal class DefaultKeysBackupService @Inject constructor(
olmInboundGroupSessionWrappers.forEach { olmInboundGroupSessionWrapper ->
val roomId = olmInboundGroupSessionWrapper.roomId ?: return@forEach
val olmInboundGroupSession = olmInboundGroupSessionWrapper.olmInboundGroupSession ?: return@forEach
val olmInboundGroupSession = olmInboundGroupSessionWrapper.session
try {
encryptGroupSession(olmInboundGroupSessionWrapper)
@ -1405,13 +1408,22 @@ internal class DefaultKeysBackupService @Inject constructor(
@VisibleForTesting
@WorkerThread
fun encryptGroupSession(olmInboundGroupSessionWrapper: OlmInboundGroupSessionWrapper2): KeyBackupData? {
suspend fun encryptGroupSession(olmInboundGroupSessionWrapper: MXInboundMegolmSessionWrapper): KeyBackupData? {
olmInboundGroupSessionWrapper.safeSessionId ?: return null
olmInboundGroupSessionWrapper.senderKey ?: return null
// Gather information for each key
val device = olmInboundGroupSessionWrapper.senderKey?.let { cryptoStore.deviceWithIdentityKey(it) }
// Build the m.megolm_backup.v1.curve25519-aes-sha2 data as defined at
// https://github.com/uhoreg/matrix-doc/blob/e2e_backup/proposals/1219-storing-megolm-keys-serverside.md#mmegolm_backupv1curve25519-aes-sha2-key-format
val sessionData = olmInboundGroupSessionWrapper.exportKeys() ?: return null
val sessionData = inboundGroupSessionStore
.getInboundGroupSession(olmInboundGroupSessionWrapper.safeSessionId, olmInboundGroupSessionWrapper.senderKey)
?.let {
withContext(coroutineDispatchers.computation) {
it.mutex.withLock { it.wrapper.exportKeys() }
}
}
?: return null
val sessionBackupData = mapOf(
"algorithm" to sessionData.algorithm,
"sender_key" to sessionData.senderKey,
@ -1425,7 +1437,9 @@ internal class DefaultKeysBackupService @Inject constructor(
.toJson(sessionBackupData)
val encryptedSessionBackupData = try {
backupOlmPkEncryption?.encrypt(json)
withContext(coroutineDispatchers.computation) {
backupOlmPkEncryption?.encrypt(json)
}
} catch (e: OlmException) {
Timber.e(e, "OlmException")
null
@ -1435,12 +1449,12 @@ internal class DefaultKeysBackupService @Inject constructor(
// Build backup data for that key
return KeyBackupData(
firstMessageIndex = try {
olmInboundGroupSessionWrapper.olmInboundGroupSession?.firstKnownIndex ?: 0
olmInboundGroupSessionWrapper.session.firstKnownIndex
} catch (e: OlmException) {
Timber.e(e, "OlmException")
0L
},
forwardedCount = olmInboundGroupSessionWrapper.forwardingCurve25519KeyChain.orEmpty().size,
forwardedCount = olmInboundGroupSessionWrapper.sessionData.forwardingCurve25519KeyChain.orEmpty().size,
isVerified = device?.isVerified == true,
sessionData = mapOf(

51
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/InboundGroupSessionData.kt Normal file
View File

@ -0,0 +1,51 @@
/*
* Copyright 2022 The Matrix.org Foundation C.I.C.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.matrix.android.sdk.internal.crypto.model
import com.squareup.moshi.Json
import com.squareup.moshi.JsonClass
@JsonClass(generateAdapter = true)
data class InboundGroupSessionData(
/** The room in which this session is used. */
@Json(name = "room_id")
var roomId: String? = null,
/** The base64-encoded curve25519 key of the sender. */
@Json(name = "sender_key")
var senderKey: String? = null,
/** Other keys the sender claims. */
@Json(name = "keys_claimed")
var keysClaimed: Map<String, String>? = null,
/** Devices which forwarded this session to us (normally emty). */
@Json(name = "forwarding_curve25519_key_chain")
var forwardingCurve25519KeyChain: List<String>? = emptyList(),
/** Not yet used, will be in backup v2
val untrusted?: Boolean = false */
/**
* Flag that indicates whether or not the current inboundSession will be shared to
*invited users to decrypt past messages
*/
@Json(name = "shared_history")
val sharedHistory: Boolean = false,
)

97
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/MXInboundMegolmSessionWrapper.kt Normal file
View File

@ -0,0 +1,97 @@
/*
* Copyright 2022 The Matrix.org Foundation C.I.C.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.matrix.android.sdk.internal.crypto.model
import org.matrix.android.sdk.api.crypto.MXCRYPTO_ALGORITHM_MEGOLM
import org.matrix.android.sdk.api.extensions.tryOrNull
import org.matrix.android.sdk.internal.crypto.MegolmSessionData
import org.matrix.olm.OlmInboundGroupSession
import timber.log.Timber
data class MXInboundMegolmSessionWrapper(
// olm object
val session: OlmInboundGroupSession,
// data about the session
val sessionData: InboundGroupSessionData
) {
// shortcut
val roomId = sessionData.roomId
val senderKey = sessionData.senderKey
val safeSessionId = tryOrNull("Fail to get megolm session Id") { session.sessionIdentifier() }
/**
* Export the inbound group session keys
* @param index the index to export. If null, the first known index will be used
* @return the inbound group session as MegolmSessionData if the operation succeeds
*/
internal fun exportKeys(index: Long? = null): MegolmSessionData? {
return try {
val keysClaimed = sessionData.keysClaimed ?: return null
val wantedIndex = index ?: session.firstKnownIndex
MegolmSessionData(
senderClaimedEd25519Key = sessionData.keysClaimed?.get("ed25519"),
forwardingCurve25519KeyChain = sessionData.forwardingCurve25519KeyChain?.toList().orEmpty(),
senderKey = session.export(index ?: session.firstKnownIndex),
senderClaimedKeys = keysClaimed,
roomId = sessionData.roomId,
sessionId = session.sessionIdentifier(),
sessionKey = session.export(wantedIndex),
algorithm = MXCRYPTO_ALGORITHM_MEGOLM,
sharedHistory = sessionData.sharedHistory
)
} catch (e: Exception) {
Timber.e(e, "## Failed to export megolm : sessionID ${tryOrNull { session.sessionIdentifier() }} failed")
null
}
}
companion object {
/**
* @exportFormat true if the megolm keys are in export format
* (ie, they lack an ed25519 signature)
*/
@Throws
internal fun newFromMegolmData(megolmSessionData: MegolmSessionData, exportFormat: Boolean): MXInboundMegolmSessionWrapper {
val exportedKey = megolmSessionData.sessionKey ?: throw IllegalArgumentException("key data not found")
val inboundSession = if (exportFormat) {
OlmInboundGroupSession.importSession(exportedKey)
} else {
OlmInboundGroupSession(exportedKey)
}
.also {
if (it.sessionIdentifier() != megolmSessionData.sessionId) {
it.releaseSession()
throw IllegalStateException("Mismatched group session Id")
}
}
val data = InboundGroupSessionData(
roomId = megolmSessionData.roomId,
senderKey = megolmSessionData.senderKey,
keysClaimed = megolmSessionData.senderClaimedKeys,
forwardingCurve25519KeyChain = megolmSessionData.forwardingCurve25519KeyChain,
sharedHistory = megolmSessionData.sharedHistory,
)
return MXInboundMegolmSessionWrapper(
inboundSession,
data
)
}
}
}

2
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/OlmInboundGroupSessionWrapper2.kt
View File

@ -26,6 +26,8 @@ import java.io.Serializable
* This class adds more context to a OlmInboundGroupSession object.
* This allows additional checks. The class implements Serializable so that the context can be stored.
*/
// Note used anymore, just for database migration
@Deprecated("Use MXInboundMegolmSessionWrapper")
internal class OlmInboundGroupSessionWrapper2 : Serializable {
// The associated olm inbound group session.

6
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/OutboundGroupSessionWrapper.kt
View File

@ -20,5 +20,9 @@ import org.matrix.olm.OlmOutboundGroupSession
internal data class OutboundGroupSessionWrapper(
val outboundGroupSession: OlmOutboundGroupSession,
val creationTime: Long
val creationTime: Long,
/**
* As per MSC 3061, declares if this key could be shared when inviting a new user to the room
*/
val sharedHistory: Boolean = false
)

23
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/IMXCryptoStore.kt
View File

@ -35,7 +35,7 @@ import org.matrix.android.sdk.api.session.events.model.Event
import org.matrix.android.sdk.api.session.events.model.content.RoomKeyWithHeldContent
import org.matrix.android.sdk.api.session.events.model.content.WithHeldCode
import org.matrix.android.sdk.api.util.Optional
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper
import org.matrix.android.sdk.internal.crypto.model.OlmSessionWrapper
import org.matrix.android.sdk.internal.crypto.model.OutboundGroupSessionWrapper
import org.matrix.android.sdk.internal.crypto.store.db.model.KeysBackupDataEntity
@ -64,7 +64,7 @@ internal interface IMXCryptoStore {
*
* @return the list of all known group sessions, to export them.
*/
fun getInboundGroupSessions(): List<OlmInboundGroupSessionWrapper2>
fun getInboundGroupSessions(): List<MXInboundMegolmSessionWrapper>
/**
* Retrieve the known inbound group sessions for the specified room
@ -72,7 +72,7 @@ internal interface IMXCryptoStore {
* @param roomId The roomId that the sessions will be returned
* @return the list of all known group sessions, for the provided roomId
*/
fun getInboundGroupSessions(roomId: String): List<OlmInboundGroupSessionWrapper2>
fun getInboundGroupSessions(roomId: String): List<MXInboundMegolmSessionWrapper>
/**
* @return true to unilaterally blacklist all unverified devices.
@ -309,7 +309,7 @@ internal interface IMXCryptoStore {
*
* @param sessions the inbound group sessions to store.
*/
fun storeInboundGroupSessions(sessions: List<OlmInboundGroupSessionWrapper2>)
fun storeInboundGroupSessions(sessions: List<MXInboundMegolmSessionWrapper>)
/**
* Retrieve an inbound group session.
@ -318,7 +318,7 @@ internal interface IMXCryptoStore {
* @param senderKey the base64-encoded curve25519 key of the sender.
* @return an inbound group session.
*/
fun getInboundGroupSession(sessionId: String, senderKey: String): OlmInboundGroupSessionWrapper2?
fun getInboundGroupSession(sessionId: String, senderKey: String): MXInboundMegolmSessionWrapper?
/**
* Retrieve an inbound group session, filtering shared history.
@ -328,7 +328,7 @@ internal interface IMXCryptoStore {
* @param sharedHistory filter inbound session with respect to shared history field
* @return an inbound group session.
*/
fun getInboundGroupSession(sessionId: String, senderKey: String, sharedHistory: Boolean): OlmInboundGroupSessionWrapper2?
fun getInboundGroupSession(sessionId: String, senderKey: String, sharedHistory: Boolean): MXInboundMegolmSessionWrapper?
/**
* Get the current outbound group session for this encrypted room
@ -340,13 +340,6 @@ internal interface IMXCryptoStore {
*/
fun storeCurrentOutboundGroupSessionForRoom(roomId: String, outboundGroupSession: OlmOutboundGroupSession?)
/**
* Returns true if there is a room history visibility change since the latest outbound
* session. Specifically when the room's history visibility setting changes to
* world_readable or shared from invited or joined, or changes to invited or joined from world_readable or shared
*/
fun needsRotationDueToVisibilityChange(roomId: String): Boolean
/**
* Remove an inbound group session
*
@ -369,7 +362,7 @@ internal interface IMXCryptoStore {
*
* @param olmInboundGroupSessionWrappers the sessions
*/
fun markBackupDoneForInboundGroupSessions(olmInboundGroupSessionWrappers: List<OlmInboundGroupSessionWrapper2>)
fun markBackupDoneForInboundGroupSessions(olmInboundGroupSessionWrappers: List<MXInboundMegolmSessionWrapper>)
/**
* Retrieve inbound group sessions that are not yet backed up.
@ -377,7 +370,7 @@ internal interface IMXCryptoStore {
* @param limit the maximum number of sessions to return.
* @return an array of non backed up inbound group sessions.
*/
fun inboundGroupSessionsToBackup(limit: Int): List<OlmInboundGroupSessionWrapper2>
fun inboundGroupSessionsToBackup(limit: Int): List<MXInboundMegolmSessionWrapper>
/**
* Number of stored inbound group sessions.

106
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt
View File

@ -50,7 +50,7 @@ import org.matrix.android.sdk.api.session.events.model.content.RoomKeyWithHeldCo
import org.matrix.android.sdk.api.session.events.model.content.WithHeldCode
import org.matrix.android.sdk.api.util.Optional
import org.matrix.android.sdk.api.util.toOptional
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper
import org.matrix.android.sdk.internal.crypto.model.OlmSessionWrapper
import org.matrix.android.sdk.internal.crypto.model.OutboundGroupSessionWrapper
import org.matrix.android.sdk.internal.crypto.store.IMXCryptoStore
@ -671,6 +671,8 @@ internal class RealmCryptoStore @Inject constructor(
}
override fun setShouldShareHistory(roomId: String, shouldShareHistory: Boolean) {
Timber.tag(loggerTag.value)
.v("setShouldShareHistory for room $roomId is $shouldShareHistory")
doRealmTransaction(realmConfiguration) {
CryptoRoomEntity.getOrCreate(it, roomId).shouldShareHistory = shouldShareHistory
}
@ -740,61 +742,55 @@ internal class RealmCryptoStore @Inject constructor(
}
}
override fun storeInboundGroupSessions(sessions: List<OlmInboundGroupSessionWrapper2>) {
override fun storeInboundGroupSessions(sessions: List<MXInboundMegolmSessionWrapper>) {
if (sessions.isEmpty()) {
return
}
doRealmTransaction(realmConfiguration) { realm ->
sessions.forEach { session ->
var sessionIdentifier: String? = null
sessions.forEach { wrapper ->
try {
sessionIdentifier = session.olmInboundGroupSession?.sessionIdentifier()
val sessionIdentifier = try {
wrapper.session.sessionIdentifier()
} catch (e: OlmException) {
Timber.e(e, "## storeInboundGroupSession() : sessionIdentifier failed")
return@forEach
}
if (sessionIdentifier != null) {
val shouldShareHistory = session.roomId?.let { roomId ->
CryptoRoomEntity.getById(realm, roomId)?.shouldShareHistory
} ?: false
val key = OlmInboundGroupSessionEntity.createPrimaryKey(sessionIdentifier, session.senderKey)
// val shouldShareHistory = session.roomId?.let { roomId ->
// CryptoRoomEntity.getById(realm, roomId)?.shouldShareHistory
// } ?: false
val key = OlmInboundGroupSessionEntity.createPrimaryKey(sessionIdentifier, wrapper.sessionData.senderKey)
val realmOlmInboundGroupSession = OlmInboundGroupSessionEntity().apply {
primaryKey = key
sessionId = sessionIdentifier
senderKey = session.senderKey
roomId = session.roomId
sharedHistory = shouldShareHistory
putInboundGroupSession(session)
}
Timber.i("## CRYPTO | shouldShareHistory: $shouldShareHistory for $key")
realm.insertOrUpdate(realmOlmInboundGroupSession)
val realmOlmInboundGroupSession = OlmInboundGroupSessionEntity().apply {
primaryKey = key
store(wrapper)
}
Timber.i("## CRYPTO | shouldShareHistory: ${wrapper.sessionData.sharedHistory} for $key")
realm.insertOrUpdate(realmOlmInboundGroupSession)
}
}
}
override fun getInboundGroupSession(sessionId: String, senderKey: String): OlmInboundGroupSessionWrapper2? {
override fun getInboundGroupSession(sessionId: String, senderKey: String): MXInboundMegolmSessionWrapper? {
val key = OlmInboundGroupSessionEntity.createPrimaryKey(sessionId, senderKey)
return doWithRealm(realmConfiguration) {
it.where<OlmInboundGroupSessionEntity>()
return doWithRealm(realmConfiguration) { realm ->
realm.where<OlmInboundGroupSessionEntity>()
.equalTo(OlmInboundGroupSessionEntityFields.PRIMARY_KEY, key)
.findFirst()
?.getInboundGroupSession()
?.toModel()
}
}
override fun getInboundGroupSession(sessionId: String, senderKey: String, sharedHistory: Boolean): OlmInboundGroupSessionWrapper2? {
override fun getInboundGroupSession(sessionId: String, senderKey: String, sharedHistory: Boolean): MXInboundMegolmSessionWrapper? {
val key = OlmInboundGroupSessionEntity.createPrimaryKey(sessionId, senderKey)
return doWithRealm(realmConfiguration) {
it.where<OlmInboundGroupSessionEntity>()
.equalTo(OlmInboundGroupSessionEntityFields.SHARED_HISTORY, sharedHistory)
.equalTo(OlmInboundGroupSessionEntityFields.PRIMARY_KEY, key)
.findFirst()
?.getInboundGroupSession()
?.toModel()
}
}
@ -806,7 +802,8 @@ internal class RealmCryptoStore @Inject constructor(
entity.getOutboundGroupSession()?.let {
OutboundGroupSessionWrapper(
it,
entity.creationTime ?: 0
entity.creationTime ?: 0,
entity.shouldShareHistory
)
}
}
@ -836,36 +833,32 @@ internal class RealmCryptoStore @Inject constructor(
}
}
override fun needsRotationDueToVisibilityChange(roomId: String): Boolean {
return doWithRealm(realmConfiguration) { realm ->
CryptoRoomEntity.getById(realm, roomId)?.let { entity ->
entity.shouldShareHistory != entity.outboundSessionInfo?.shouldShareHistory
}
} ?: false
}
// override fun needsRotationDueToVisibilityChange(roomId: String): Boolean {
// return doWithRealm(realmConfiguration) { realm ->
// CryptoRoomEntity.getById(realm, roomId)?.let { entity ->
// entity.shouldShareHistory != entity.outboundSessionInfo?.shouldShareHistory
// }
// } ?: false
// }
/**
* Note: the result will be only use to export all the keys and not to use the OlmInboundGroupSessionWrapper2,
* so there is no need to use or update `inboundGroupSessionToRelease` for native memory management.
*/
override fun getInboundGroupSessions(): List<OlmInboundGroupSessionWrapper2> {
return doWithRealm(realmConfiguration) {
it.where<OlmInboundGroupSessionEntity>()
override fun getInboundGroupSessions(): List<MXInboundMegolmSessionWrapper> {
return doWithRealm(realmConfiguration) { realm ->
realm.where<OlmInboundGroupSessionEntity>()
.findAll()
.mapNotNull { inboundGroupSessionEntity ->
inboundGroupSessionEntity.getInboundGroupSession()
}
.mapNotNull { it.toModel() }
}
}
override fun getInboundGroupSessions(roomId: String): List<OlmInboundGroupSessionWrapper2> {
return doWithRealm(realmConfiguration) {
it.where<OlmInboundGroupSessionEntity>()
override fun getInboundGroupSessions(roomId: String): List<MXInboundMegolmSessionWrapper> {
return doWithRealm(realmConfiguration) { realm ->
realm.where<OlmInboundGroupSessionEntity>()
.equalTo(OlmInboundGroupSessionEntityFields.ROOM_ID, roomId)
.findAll()
.mapNotNull { inboundGroupSessionEntity ->
inboundGroupSessionEntity.getInboundGroupSession()
}
.mapNotNull { it.toModel() }
}
}
@ -926,7 +919,7 @@ internal class RealmCryptoStore @Inject constructor(
}
}
override fun markBackupDoneForInboundGroupSessions(olmInboundGroupSessionWrappers: List<OlmInboundGroupSessionWrapper2>) {
override fun markBackupDoneForInboundGroupSessions(olmInboundGroupSessionWrappers: List<MXInboundMegolmSessionWrapper>) {
if (olmInboundGroupSessionWrappers.isEmpty()) {
return
}
@ -934,10 +927,13 @@ internal class RealmCryptoStore @Inject constructor(
doRealmTransaction(realmConfiguration) { realm ->
olmInboundGroupSessionWrappers.forEach { olmInboundGroupSessionWrapper ->
try {
val sessionIdentifier = olmInboundGroupSessionWrapper.olmInboundGroupSession?.sessionIdentifier()
val sessionIdentifier =
tryOrNull("Failed to get session identifier") {
olmInboundGroupSessionWrapper.session.sessionIdentifier()
} ?: return@forEach
val key = OlmInboundGroupSessionEntity.createPrimaryKey(
sessionIdentifier,
olmInboundGroupSessionWrapper.senderKey
olmInboundGroupSessionWrapper.sessionData.senderKey
)
val existing = realm.where<OlmInboundGroupSessionEntity>()
@ -950,9 +946,7 @@ internal class RealmCryptoStore @Inject constructor(
// ... might be in cache but not yet persisted, create a record to persist backedup state
val realmOlmInboundGroupSession = OlmInboundGroupSessionEntity().apply {
primaryKey = key
sessionId = sessionIdentifier
senderKey = olmInboundGroupSessionWrapper.senderKey
putInboundGroupSession(olmInboundGroupSessionWrapper)
store(olmInboundGroupSessionWrapper)
backedUp = true
}
@ -965,15 +959,13 @@ internal class RealmCryptoStore @Inject constructor(
}
}
override fun inboundGroupSessionsToBackup(limit: Int): List<OlmInboundGroupSessionWrapper2> {
override fun inboundGroupSessionsToBackup(limit: Int): List<MXInboundMegolmSessionWrapper> {
return doWithRealm(realmConfiguration) {
it.where<OlmInboundGroupSessionEntity>()
.equalTo(OlmInboundGroupSessionEntityFields.BACKED_UP, false)
.limit(limit.toLong())
.findAll()
.mapNotNull { inboundGroupSession ->
inboundGroupSession.getInboundGroupSession()
}
.mapNotNull { it.toModel() }
}
}

56
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/migration/MigrateCryptoTo017.kt
View File

@ -17,20 +17,66 @@
package org.matrix.android.sdk.internal.crypto.store.db.migration
import io.realm.DynamicRealm
import org.matrix.android.sdk.api.extensions.tryOrNull
import org.matrix.android.sdk.internal.crypto.model.InboundGroupSessionData
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.store.db.deserializeFromRealm
import org.matrix.android.sdk.internal.crypto.store.db.model.CryptoRoomEntityFields
import org.matrix.android.sdk.internal.crypto.store.db.model.OlmInboundGroupSessionEntityFields
import org.matrix.android.sdk.internal.crypto.store.db.serializeForRealm
import org.matrix.android.sdk.internal.di.MoshiProvider
import org.matrix.android.sdk.internal.util.database.RealmMigrator
import timber.log.Timber
// Version 16L enhance OlmInboundGroupSessionEntity to support shared history for MSC3061
internal class MigrateCryptoTo017(realm: DynamicRealm) : RealmMigrator(realm, 16) {
/**
* Version 17L enhance OlmInboundGroupSessionEntity to support shared history for MSC3061
* Also migrates how megolm session are stored to avoid additional serialized frozen class
*/
internal class MigrateCryptoTo017(realm: DynamicRealm) : RealmMigrator(realm, 17) {
override fun doMigrate(realm: DynamicRealm) {
realm.schema.get("CryptoRoomEntity")
?.addField(CryptoRoomEntityFields.SHOULD_SHARE_HISTORY, Boolean::class.java)
val moshiAdapter = MoshiProvider.providesMoshi().adapter(InboundGroupSessionData::class.java)
realm.schema.get("OlmInboundGroupSessionEntity")
?.addField(OlmInboundGroupSessionEntityFields.SHARED_HISTORY, Boolean::class.java)
?.addField(OlmInboundGroupSessionEntityFields.ROOM_ID, String::class.java)
?.addField(OlmInboundGroupSessionEntityFields.INBOUND_GROUP_SESSION_DATA_JSON, String::class.java)
?.addField(OlmInboundGroupSessionEntityFields.SERIALIZED_OLM_INBOUND_GROUP_SESSION, String::class.java)
?.transform { dynamicObject ->
try {
// we want to convert the old wrapper frozen class into a
// map of sessionData & the pickled session herself
dynamicObject.getString(OlmInboundGroupSessionEntityFields.OLM_INBOUND_GROUP_SESSION_DATA)?.let { oldData ->
val oldWrapper = tryOrNull("Failed to convert megolm inbound group data") {
@Suppress("DEPRECATION")
deserializeFromRealm<OlmInboundGroupSessionWrapper2?>(oldData)
}
val groupSession = oldWrapper?.olmInboundGroupSession
?: return@transform Unit.also {
Timber.w("Failed to migrate megolm session, no olmInboundGroupSession")
}
// now convert to new data
val data = InboundGroupSessionData(
senderKey = oldWrapper.senderKey,
roomId = oldWrapper.roomId,
keysClaimed = oldWrapper.keysClaimed,
forwardingCurve25519KeyChain = oldWrapper.forwardingCurve25519KeyChain,
sharedHistory = false,
)
realm.schema.get("CryptoRoomEntity")
?.addField(CryptoRoomEntityFields.SHOULD_SHARE_HISTORY, Boolean::class.java)
dynamicObject.setString(OlmInboundGroupSessionEntityFields.INBOUND_GROUP_SESSION_DATA_JSON, moshiAdapter.toJson(data))
dynamicObject.setString(OlmInboundGroupSessionEntityFields.SERIALIZED_OLM_INBOUND_GROUP_SESSION, serializeForRealm(groupSession))
// denormalized fields
dynamicObject.setString(OlmInboundGroupSessionEntityFields.ROOM_ID, oldWrapper.roomId)
dynamicObject.setBoolean(OlmInboundGroupSessionEntityFields.SHARED_HISTORY, false)
}
} catch (failure: Throwable) {
Timber.e(failure, "Failed to migrate megolm session")
}
}
}
}

69
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/model/OlmInboundGroupSessionEntity.kt
View File

@ -18,9 +18,12 @@ package org.matrix.android.sdk.internal.crypto.store.db.model
import io.realm.RealmObject
import io.realm.annotations.PrimaryKey
import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
import org.matrix.android.sdk.internal.crypto.model.InboundGroupSessionData
import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper
import org.matrix.android.sdk.internal.crypto.store.db.deserializeFromRealm
import org.matrix.android.sdk.internal.crypto.store.db.serializeForRealm
import org.matrix.android.sdk.internal.di.MoshiProvider
import org.matrix.olm.OlmInboundGroupSession
import timber.log.Timber
internal fun OlmInboundGroupSessionEntity.Companion.createPrimaryKey(sessionId: String?, senderKey: String?) = "$sessionId|$senderKey"
@ -28,11 +31,23 @@ internal fun OlmInboundGroupSessionEntity.Companion.createPrimaryKey(sessionId:
internal open class OlmInboundGroupSessionEntity(
// Combined value to build a primary key
@PrimaryKey var primaryKey: String? = null,
// denormalization for faster querying (these fields are in the inboundGroupSessionDataJson)
var sessionId: String? = null,
var senderKey: String? = null,
var roomId: String? = null,
// olmInboundGroupSessionData contains Json
// Deprecated, used for migration / olmInboundGroupSessionData contains Json
// keep it in case of problem to have a chance to recover
var olmInboundGroupSessionData: String? = null,
// Stores the session data in an extensible format
// to allow to store data not yet supported for later use
var inboundGroupSessionDataJson: String? = null,
// The pickled session
var serializedOlmInboundGroupSession: String? = null,
// Flag that indicates whether or not the current inboundSession will be shared to
// invited users to decrypt past messages
var sharedHistory: Boolean = false,
@ -41,18 +56,58 @@ internal open class OlmInboundGroupSessionEntity(
) :
RealmObject() {
fun getInboundGroupSession(): OlmInboundGroupSessionWrapper2? {
fun store(wrapper: MXInboundMegolmSessionWrapper) {
this.serializedOlmInboundGroupSession = serializeForRealm(wrapper.session)
this.inboundGroupSessionDataJson = adapter.toJson(wrapper.sessionData)
this.roomId = wrapper.sessionData.roomId
this.senderKey = wrapper.sessionData.senderKey
this.sessionId = wrapper.session.sessionIdentifier()
this.sharedHistory = wrapper.sessionData.sharedHistory
}
// fun getInboundGroupSession(): OlmInboundGroupSessionWrapper2? {
// return try {
// deserializeFromRealm<OlmInboundGroupSessionWrapper2?>(olmInboundGroupSessionData)
// } catch (failure: Throwable) {
// Timber.e(failure, "## Deserialization failure")
// return null
// }
// }
//
// fun putInboundGroupSession(olmInboundGroupSessionWrapper: OlmInboundGroupSessionWrapper2?) {
// olmInboundGroupSessionData = serializeForRealm(olmInboundGroupSessionWrapper)
// }
fun getOlmGroupSession(): OlmInboundGroupSession? {
return try {
deserializeFromRealm<OlmInboundGroupSessionWrapper2?>(olmInboundGroupSessionData)
deserializeFromRealm(serializedOlmInboundGroupSession)
} catch (failure: Throwable) {
Timber.e(failure, "## Deserialization failure")
return null
}
}
fun putInboundGroupSession(olmInboundGroupSessionWrapper: OlmInboundGroupSessionWrapper2?) {
olmInboundGroupSessionData = serializeForRealm(olmInboundGroupSessionWrapper)
fun getData(): InboundGroupSessionData? {
return try {
inboundGroupSessionDataJson?.let {
adapter.fromJson(it)
}
} catch (failure: Throwable) {
Timber.e(failure, "## Deserialization failure")
return null
}
}
companion object
fun toModel(): MXInboundMegolmSessionWrapper? {
val data = getData() ?: return null
val session = getOlmGroupSession() ?: return null
return MXInboundMegolmSessionWrapper(
session = session,
sessionData = data
)
}
companion object {
private val adapter = MoshiProvider.providesMoshi()
.adapter(InboundGroupSessionData::class.java)
}
}

7
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/SendEventTask.kt
View File

@ -15,7 +15,6 @@
*/
package org.matrix.android.sdk.internal.crypto.tasks
import org.matrix.android.sdk.api.extensions.tryOrNull
import org.matrix.android.sdk.api.session.events.model.Event
import org.matrix.android.sdk.api.session.room.send.SendState
import org.matrix.android.sdk.internal.network.GlobalErrorReceiver
@ -48,8 +47,12 @@ internal class DefaultSendEventTask @Inject constructor(
params.event.roomId
?.takeIf { params.encrypt }
?.let { roomId ->
tryOrNull {
try {
loadRoomMembersTask.execute(LoadRoomMembersTask.Params(roomId))
} catch (failure: Throwable) {
// send any way?
// the result is that some users won't probably be able to decrypt :/
Timber.w(failure, "SendEvent: failed to load members in room ${params.event.roomId}")
}
}

1
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/membership/DefaultMembershipService.kt
View File

@ -144,6 +144,7 @@ internal class DefaultMembershipService @AssistedInject constructor(
}
override suspend fun invite(userId: String, reason: String?) {
// TODO not sure it's the right way to get the latest messages in a room
val sessionInfo = Realm.getInstance(monarchy.realmConfiguration).use {
ChunkEntity.findLatestSessionInfo(it, roomId)
}