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Calculate trust level for shield in viewmodel.

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This commit is contained in:
Onuray Sahin 2022-08-26 12:53:30 +03:00
parent 248c05f4e2
commit 01bce5658b
1 changed files with 29 additions and 5 deletions
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34
vector/src/main/java/im/vector/app/features/settings/devices/DevicesViewModel.kt
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@ -57,6 +57,7 @@ import org.matrix.android.sdk.api.session.Session
import org.matrix.android.sdk.api.session.crypto.crosssigning.DeviceTrustLevel
import org.matrix.android.sdk.api.session.crypto.model.CryptoDeviceInfo
import org.matrix.android.sdk.api.session.crypto.model.DeviceInfo
import org.matrix.android.sdk.api.session.crypto.model.RoomEncryptionTrustLevel
import org.matrix.android.sdk.api.session.crypto.verification.VerificationMethod
import org.matrix.android.sdk.api.session.crypto.verification.VerificationService
import org.matrix.android.sdk.api.session.crypto.verification.VerificationTransaction
@ -79,12 +80,13 @@ data class DevicesViewState(
// TODO Replace by isLoading boolean
val request: Async<Unit> = Uninitialized,
val hasAccountCrossSigning: Boolean = false,
val accountCrossSigningIsTrusted: Boolean = false
val accountCrossSigningIsTrusted: Boolean = false,
) : MavericksState
data class DeviceFullInfo(
val deviceInfo: DeviceInfo,
val cryptoDeviceInfo: CryptoDeviceInfo?
val cryptoDeviceInfo: CryptoDeviceInfo?,
val trustLevelForShield: RoomEncryptionTrustLevel,
)
class DevicesViewModel @AssistedInject constructor(
@ -108,11 +110,13 @@ class DevicesViewModel @AssistedInject constructor(
private val refreshSource = PublishDataSource<Unit>()
init {
val hasAccountCrossSigning = session.cryptoService().crossSigningService().isCrossSigningInitialized()
val accountCrossSigningIsTrusted = session.cryptoService().crossSigningService().isCrossSigningVerified()
setState {
copy(
hasAccountCrossSigning = session.cryptoService().crossSigningService().isCrossSigningInitialized(),
accountCrossSigningIsTrusted = session.cryptoService().crossSigningService().isCrossSigningVerified(),
hasAccountCrossSigning = hasAccountCrossSigning,
accountCrossSigningIsTrusted = accountCrossSigningIsTrusted,
myDeviceId = session.sessionParams.deviceId ?: ""
)
}
@ -125,7 +129,13 @@ class DevicesViewModel @AssistedInject constructor(
.sortedByDescending { it.lastSeenTs }
.map { deviceInfo ->
val cryptoDeviceInfo = cryptoList.firstOrNull { it.deviceId == deviceInfo.deviceId }
DeviceFullInfo(deviceInfo, cryptoDeviceInfo)
val trustLevelForShield = computeTrustLevelForShield(
currentSessionCrossTrusted = accountCrossSigningIsTrusted,
legacyMode = !hasAccountCrossSigning,
deviceTrustLevel = cryptoDeviceInfo?.trustLevel,
isCurrentDevice = deviceInfo.deviceId == session.sessionParams.deviceId
)
DeviceFullInfo(deviceInfo, cryptoDeviceInfo, trustLevelForShield)
}
}
.distinctUntilChanged()
@ -243,6 +253,20 @@ class DevicesViewModel @AssistedInject constructor(
}
}
private fun computeTrustLevelForShield(
currentSessionCrossTrusted: Boolean,
legacyMode: Boolean,
deviceTrustLevel: DeviceTrustLevel?,
isCurrentDevice: Boolean,
): RoomEncryptionTrustLevel {
return TrustUtils.shieldForTrust(
currentDevice = isCurrentDevice,
trustMSK = currentSessionCrossTrusted,
legacyMode = legacyMode,
deviceTrustLevel = deviceTrustLevel
)
}
private fun handleInteractiveVerification(action: DevicesAction.VerifyMyDevice) {
val txID = session.cryptoService()
.verificationService()