Merge pull request #8654 from vector-im/bca/fix_8653_qr_code

Fix QR code login support in rust

Author: BillCarsonFr

changelog.d/8653.bugfix

@@ -0,0 +1 @@
+Fix Login with QR code not working with rust crypto.

matrix-sdk-android/build.gradle

@@ -216,7 +216,7 @@ dependencies {
 
     implementation libs.google.phonenumber
 
-    rustCryptoImplementation("org.matrix.rustcomponents:crypto-android:0.3.14")
+    rustCryptoImplementation("org.matrix.rustcomponents:crypto-android:0.3.15")
 //    rustCryptoApi project(":library:rustCrypto")
 
     testImplementation libs.tests.junit

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

@@ -28,6 +28,7 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.JUnit4
 import org.junit.runners.MethodSorters
+import org.matrix.android.sdk.BuildConfig
 import org.matrix.android.sdk.InstrumentedTest
 import org.matrix.android.sdk.api.query.QueryStringValue
 import org.matrix.android.sdk.api.session.Session
@@ -196,6 +197,7 @@ class E2eeShareKeysHistoryTest : InstrumentedTest {
 
     @Test
     fun testNeedsRotationFromSharedToWorldReadable() {
+        Assume.assumeTrue("Test is flacky on legacy crypto", BuildConfig.FLAVOR == "rustCrypto")
         testRotationDueToVisibilityChange(RoomHistoryVisibility.SHARED, RoomHistoryVisibilityContent("world_readable"))
     }
 

matrix-sdk-android/src/kotlinCrypto/java/org/matrix/android/sdk/internal/crypto/SecretShareManager.kt

@@ -136,6 +136,13 @@ internal class SecretShareManager @Inject constructor(
                             .w("handleSecretRequest() : malformed request norequestingDeviceId ")
                 }
 
+        if (deviceId == credentials.deviceId) {
+            return Unit.also {
+                Timber.tag(loggerTag.value)
+                        .v("handleSecretRequest() : Ignore request from self device")
+            }
+        }
+
         val device = cryptoStore.getUserDevice(credentials.userId, deviceId)
                 ?: return Unit.also {
                     Timber.tag(loggerTag.value)
@@ -254,6 +261,37 @@ internal class SecretShareManager @Inject constructor(
         }
     }
 
+    suspend fun requestMissingSecrets() {
+        // quick implementation for backward compatibility with rust, will request all secrets to all own devices
+        val secretNames = listOf(MASTER_KEY_SSSS_NAME, SELF_SIGNING_KEY_SSSS_NAME, USER_SIGNING_KEY_SSSS_NAME, KEYBACKUP_SECRET_SSSS_NAME)
+
+        secretNames.forEach { secretName ->
+            val toDeviceContent = SecretShareRequest(
+                    requestingDeviceId = credentials.deviceId,
+                    secretName = secretName,
+                    requestId = createUniqueTxnId()
+            )
+
+            val contentMap = MXUsersDevicesMap<Any>()
+            contentMap.setObject(credentials.userId, "*", toDeviceContent)
+
+            val params = SendToDeviceTask.Params(
+                    eventType = EventType.REQUEST_SECRET,
+                    contentMap = contentMap
+            )
+            try {
+                withContext(coroutineDispatchers.io) {
+                    sendToDeviceTask.execute(params)
+                }
+                Timber.tag(loggerTag.value)
+                        .d("Secret request sent for $secretName")
+            } catch (failure: Throwable) {
+                Timber.tag(loggerTag.value)
+                        .w("Failed to request secret $secretName")
+            }
+        }
+    }
+
     suspend fun onSecretSendReceived(toDevice: Event, handleGossip: ((name: String, value: String) -> Boolean)) {
         Timber.tag(loggerTag.value)
                 .i("onSecretSend() from ${toDevice.senderId} : onSecretSendReceived ${toDevice.content?.get("sender_key")}")

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/rendezvous/Rendezvous.kt

@@ -34,10 +34,6 @@ import org.matrix.android.sdk.api.rendezvous.model.SecureRendezvousChannelAlgori
 import org.matrix.android.sdk.api.rendezvous.transports.SimpleHttpRendezvousTransport
 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.crosssigning.KEYBACKUP_SECRET_SSSS_NAME
-import org.matrix.android.sdk.api.session.crypto.crosssigning.MASTER_KEY_SSSS_NAME
-import org.matrix.android.sdk.api.session.crypto.crosssigning.SELF_SIGNING_KEY_SSSS_NAME
-import org.matrix.android.sdk.api.session.crypto.crosssigning.USER_SIGNING_KEY_SSSS_NAME
 import org.matrix.android.sdk.api.util.MatrixJsonParser
 import timber.log.Timber
 
@@ -222,15 +218,10 @@ class Rendezvous(
                 Timber.tag(TAG).i("No master key given by verifying device")
             }
 
-            // request secrets from the verifying device
-            Timber.tag(TAG).i("Requesting secrets from $verifyingDeviceId")
+            // request secrets from other sessions.
+            Timber.tag(TAG).i("Requesting secrets from other sessions")
 
-            session.sharedSecretStorageService().let {
-                it.requestSecret(MASTER_KEY_SSSS_NAME, verifyingDeviceId)
-                it.requestSecret(SELF_SIGNING_KEY_SSSS_NAME, verifyingDeviceId)
-                it.requestSecret(USER_SIGNING_KEY_SSSS_NAME, verifyingDeviceId)
-                it.requestSecret(KEYBACKUP_SECRET_SSSS_NAME, verifyingDeviceId)
-            }
+            session.sharedSecretStorageService().requestMissingSecrets()
         } else {
             Timber.tag(TAG).i("Not doing verification")
         }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/securestorage/SharedSecretStorageService.kt

@@ -135,5 +135,11 @@ interface SharedSecretStorageService {
 
     fun checkShouldBeAbleToAccessSecrets(secretNames: List<String>, keyId: String?): IntegrityResult
 
+    @Deprecated("Requesting custom secrets not yet support by rust stack, prefer requestMissingSecrets")
     suspend fun requestSecret(name: String, myOtherDeviceId: String)
+
+    /**
+     * Request the missing local secrets to other sessions.
+     */
+    suspend fun requestMissingSecrets()
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/secrets/DefaultSharedSecretStorageService.kt

@@ -385,7 +385,12 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
         return IntegrityResult.Success(keyInfo.content.passphrase != null)
     }
 
+    @Deprecated("Requesting custom secrets not yet support by rust stack, prefer requestMissingSecrets")
     override suspend fun requestSecret(name: String, myOtherDeviceId: String) {
         secretShareManager.requestSecretTo(myOtherDeviceId, name)
     }
+
+    override suspend fun requestMissingSecrets() {
+        secretShareManager.requestMissingSecrets()
+    }
 }

matrix-sdk-android/src/rustCrypto/java/org/matrix/android/sdk/internal/crypto/OlmMachine.kt

@@ -76,6 +76,7 @@ import org.matrix.rustcomponents.sdk.crypto.DeviceLists
 import org.matrix.rustcomponents.sdk.crypto.EncryptionSettings
 import org.matrix.rustcomponents.sdk.crypto.KeyRequestPair
 import org.matrix.rustcomponents.sdk.crypto.KeysImportResult
+import org.matrix.rustcomponents.sdk.crypto.LocalTrust
 import org.matrix.rustcomponents.sdk.crypto.Logger
 import org.matrix.rustcomponents.sdk.crypto.MegolmV1BackupKey
 import org.matrix.rustcomponents.sdk.crypto.Request
@@ -869,6 +870,11 @@ internal class OlmMachine @Inject constructor(
         }
     }
 
+    suspend fun requestMissingSecretsFromOtherSessions(): Boolean {
+        return withContext(coroutineDispatchers.io) {
+            inner.queryMissingSecretsFromOtherSessions()
+        }
+    }
     @Throws(CryptoStoreException::class)
     suspend fun enableBackupV1(key: String, version: String) {
         return withContext(coroutineDispatchers.computation) {
@@ -934,4 +940,11 @@ internal class OlmMachine @Inject constructor(
             inner.verifyBackup(serializedAuthData)
         }
     }
+
+    @Throws(CryptoStoreException::class)
+    suspend fun setDeviceLocalTrust(userId: String, deviceId: String, trusted: Boolean) {
+        withContext(coroutineDispatchers.io) {
+            inner.setLocalTrust(userId, deviceId, if (trusted) LocalTrust.VERIFIED else LocalTrust.UNSET)
+        }
+    }
 }

matrix-sdk-android/src/rustCrypto/java/org/matrix/android/sdk/internal/crypto/RustCryptoService.kt

@@ -31,6 +31,7 @@ import org.matrix.android.sdk.api.MatrixCoroutineDispatchers
 import org.matrix.android.sdk.api.auth.UserInteractiveAuthInterceptor
 import org.matrix.android.sdk.api.crypto.MXCRYPTO_ALGORITHM_MEGOLM
 import org.matrix.android.sdk.api.crypto.MXCryptoConfig
+import org.matrix.android.sdk.api.extensions.orFalse
 import org.matrix.android.sdk.api.extensions.tryOrNull
 import org.matrix.android.sdk.api.listeners.ProgressListener
 import org.matrix.android.sdk.api.logger.LoggerTag
@@ -536,7 +537,8 @@ internal class RustCryptoService @Inject constructor(
     }
 
     override suspend fun setDeviceVerification(trustLevel: DeviceTrustLevel, userId: String, deviceId: String) {
-        TODO("Not yet implemented")
+        Timber.w("Rust stack only support API to set local trust")
+        olmMachine.setDeviceLocalTrust(userId, deviceId, trustLevel.isLocallyVerified().orFalse())
     }
 
     /**

matrix-sdk-android/src/rustCrypto/java/org/matrix/android/sdk/internal/crypto/SecretShareManager.kt

@@ -16,15 +16,29 @@
 
 package org.matrix.android.sdk.internal.crypto
 
-import org.matrix.android.sdk.BuildConfig
+import org.matrix.android.sdk.api.session.events.model.EventType
+import org.matrix.android.sdk.internal.crypto.network.OutgoingRequestsProcessor
+import org.matrix.rustcomponents.sdk.crypto.Request
 import timber.log.Timber
 import javax.inject.Inject
+import javax.inject.Provider
 
-internal class SecretShareManager @Inject constructor() {
+internal class SecretShareManager @Inject constructor(
+        private val olmMachine: Provider<OlmMachine>,
+        private val outgoingRequestsProcessor: OutgoingRequestsProcessor) {
 
     suspend fun requestSecretTo(deviceId: String, secretName: String) {
-        // nop in rust?
-        if (BuildConfig.DEBUG) TODO("requestSecretTo Not implemented in Rust")
-        Timber.e("SecretShareManager Not supported in rust $deviceId, $secretName")
+        Timber.w("SecretShareManager requesting custom secrets not supported $deviceId, $secretName")
+        // rust stack only support requesting secrets defined in the spec (not custom secret yet)
+        requestMissingSecrets()
+    }
+
+    suspend fun requestMissingSecrets() {
+        this.olmMachine.get().requestMissingSecretsFromOtherSessions()
+
+        // immediately send the requests
+        outgoingRequestsProcessor.processOutgoingRequests(this.olmMachine.get()) {
+            it is Request.ToDevice && it.eventType == EventType.REQUEST_SECRET
+        }
     }
 }