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crypto: Fix a crash when we access the devices before the olmMachine is set up

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The crypto service is fully initialized only after the first sync but EA
seems to access live devices before that. This results in a crash since
we now use the olm machine to access devices.
This commit is contained in:
Damir Jelić 2021-04-08 15:55:38 +02:00
parent edfd1b2fe0
commit 5253f9708c
2 changed files with 8 additions and 17 deletions
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17
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
View file

@ -150,6 +150,7 @@ internal class DefaultCryptoService @Inject constructor(
private val isStarting = AtomicBoolean(false)
private val isStarted = AtomicBoolean(false)
private var olmMachine: OlmMachine? = null
private val deviceObserver: DeviceUpdateObserver = DeviceUpdateObserver()
suspend fun onStateEvent(roomId: String, event: Event) {
when (event.getClearType()) {
@ -320,7 +321,7 @@ internal class DefaultCryptoService @Inject constructor(
try {
setRustLogger()
olmMachine = OlmMachine(userId, deviceId!!, dataDir)
olmMachine = OlmMachine(userId, deviceId!!, dataDir, deviceObserver)
Timber.v("HELLLO WORLD STARTING $dataDir CRYPTO ${olmMachine?.identityKeys()}")
} catch (throwable: Throwable) {
@ -393,14 +394,8 @@ internal class DefaultCryptoService @Inject constructor(
*/
override fun getDeviceInfo(userId: String, deviceId: String?): CryptoDeviceInfo? {
return if (userId.isNotEmpty() && !deviceId.isNullOrEmpty()) {
val device = runBlocking {
olmMachine!!.getDevice(userId, deviceId)
}
if (device != null) {
device.toCryptoDeviceInfo()
} else {
null
runBlocking {
olmMachine?.getDevice(userId, deviceId)?.toCryptoDeviceInfo()
}
} else {
null
@ -409,7 +404,7 @@ internal class DefaultCryptoService @Inject constructor(
override fun getCryptoDeviceInfo(userId: String): List<CryptoDeviceInfo> {
return runBlocking {
olmMachine!!.getUserDevices(userId)
olmMachine?.getUserDevices(userId) ?: listOf()
}
}
@ -419,7 +414,7 @@ internal class DefaultCryptoService @Inject constructor(
override fun getLiveCryptoDeviceInfo(userIds: List<String>): LiveData<List<CryptoDeviceInfo>> {
return runBlocking {
olmMachine!!.getLiveDevices(userIds)
olmMachine?.getLiveDevices(userIds) ?: LiveDevice(userIds, deviceObserver)
}
}

8
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/OlmMachine.kt
View file

@ -70,10 +70,6 @@ internal class LiveDevice(
var userIds: List<String> = userIds
private var observer: DeviceUpdateObserver = observer
private val listener = { devices: List<CryptoDeviceInfo> ->
value = devices
}
override fun onActive() {
observer.addDeviceUpdateListener(this)
}
@ -140,9 +136,9 @@ internal class DeviceUpdateObserver() {
}
}
internal class OlmMachine(user_id: String, device_id: String, path: File) {
internal class OlmMachine(user_id: String, device_id: String, path: File, deviceObserver: DeviceUpdateObserver) {
private val inner: InnerMachine = InnerMachine(user_id, device_id, path.toString())
private val deviceUpdateObserver = DeviceUpdateObserver()
private val deviceUpdateObserver = deviceObserver
/**
* Get our own user ID.