Keep MXCryptoConfig, but do a correct usage of it

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/Matrix.kt

@@ -23,6 +23,8 @@ import androidx.work.WorkManager
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.BuildConfig
 import im.vector.matrix.android.api.auth.AuthenticationService
+import im.vector.matrix.android.api.crypto.MXCryptoConfig
+import im.vector.matrix.android.internal.MatrixConfigurationHolder
 import im.vector.matrix.android.internal.SessionManager
 import im.vector.matrix.android.internal.crypto.attachments.ElementToDecrypt
 import im.vector.matrix.android.internal.crypto.attachments.MXEncryptedAttachments
@@ -35,7 +37,8 @@ import java.util.concurrent.atomic.AtomicBoolean
 import javax.inject.Inject
 
 data class MatrixConfiguration(
-        val applicationFlavor: String = "Default-application-flavor"
+        val applicationFlavor: String = "Default-application-flavor",
+        val cryptoConfig: MXCryptoConfig = MXCryptoConfig()
 ) {
 
     interface Provider {
@@ -51,6 +54,7 @@ class Matrix private constructor(context: Context, matrixConfiguration: MatrixCo
 
     @Inject internal lateinit var authenticationService: AuthenticationService
     @Inject internal lateinit var userAgentHolder: UserAgentHolder
+    @Inject internal lateinit var matrixConfigurationHolder: MatrixConfigurationHolder
     @Inject internal lateinit var backgroundDetectionObserver: BackgroundDetectionObserver
     @Inject internal lateinit var olmManager: OlmManager
     @Inject internal lateinit var sessionManager: SessionManager
@@ -62,6 +66,7 @@ class Matrix private constructor(context: Context, matrixConfiguration: MatrixCo
             WorkManager.initialize(context, Configuration.Builder().build())
         }
         ProcessLifecycleOwner.get().lifecycle.addObserver(backgroundDetectionObserver)
+        matrixConfigurationHolder.matrixConfiguration = matrixConfiguration.copy()
         userAgentHolder.setApplicationFlavor(matrixConfiguration.applicationFlavor)
     }
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/crypto/MXCryptoConfig.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.matrix.android.internal.crypto
+package im.vector.matrix.android.api.crypto
 
 /**
  * Class to define the parameters used to customize or configure the end-to-end crypto.

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/MatrixConfigurationHolder.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * 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 im.vector.matrix.android.internal
+
+import im.vector.matrix.android.api.MatrixConfiguration
+import im.vector.matrix.android.internal.di.MatrixScope
+import javax.inject.Inject
+
+@MatrixScope
+internal class MatrixConfigurationHolder @Inject constructor() {
+
+    var matrixConfiguration: MatrixConfiguration? = null
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/CryptoModule.kt

@@ -159,13 +159,6 @@ internal abstract class CryptoModule {
         fun providesRoomKeysAPI(retrofit: Retrofit): RoomKeysApi {
             return retrofit.create(RoomKeysApi::class.java)
         }
-
-        @JvmStatic
-        @Provides
-        @SessionScope
-        fun providesCryptoConfig(): MXCryptoConfig {
-            return MXCryptoConfig()
-        }
     }
 
     @Binds

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/DefaultCryptoService.kt

@@ -27,6 +27,7 @@ import com.zhuinden.monarchy.Monarchy
 import dagger.Lazy
 import im.vector.matrix.android.api.MatrixCallback
 import im.vector.matrix.android.api.auth.data.Credentials
+import im.vector.matrix.android.api.crypto.MXCryptoConfig
 import im.vector.matrix.android.api.failure.Failure
 import im.vector.matrix.android.api.listeners.ProgressListener
 import im.vector.matrix.android.api.session.crypto.CryptoService
@@ -116,7 +117,7 @@ internal class DefaultCryptoService @Inject constructor(
         // Olm device
         private val olmDevice: MXOlmDevice,
         // Set of parameters used to configure/customize the end-to-end crypto.
-        private val cryptoConfig: MXCryptoConfig = MXCryptoConfig(),
+        private val mxCryptoConfig: MXCryptoConfig,
         // Device list manager
         private val deviceListManager: DeviceListManager,
         // The key backup service.
@@ -399,6 +400,7 @@ internal class DefaultCryptoService @Inject constructor(
             null
         }
     }
+
     override fun getCryptoDeviceInfo(userId: String): List<CryptoDeviceInfo> {
         return cryptoStore.getUserDevices(userId)?.map { it.value } ?: emptyList()
     }
@@ -545,8 +547,8 @@ internal class DefaultCryptoService @Inject constructor(
         return cryptoStore.getUserDevices(userId)?.values?.toMutableList() ?: ArrayList()
     }
 
-    fun isEncryptionEnabledForInvitedUser(): Boolean {
-        return cryptoConfig.enableEncryptionForInvitedMembers
+    private fun isEncryptionEnabledForInvitedUser(): Boolean {
+        return mxCryptoConfig.enableEncryptionForInvitedMembers
     }
 
     override fun getEncryptionAlgorithm(roomId: String): String? {
@@ -779,7 +781,7 @@ internal class DefaultCryptoService @Inject constructor(
                 deviceListManager.startTrackingDeviceList(listOf(userId))
             } else if (membership == Membership.INVITE
                     && shouldEncryptForInvitedMembers(roomId)
-                    && cryptoConfig.enableEncryptionForInvitedMembers) {
+                    && isEncryptionEnabledForInvitedUser()) {
                 // track the deviceList for this invited user.
                 // Caution: there's a big edge case here in that federated servers do not
                 // know what other servers are in the room at the time they've been invited.

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/di/MatrixComponent.kt

@@ -23,6 +23,7 @@ import dagger.BindsInstance
 import dagger.Component
 import im.vector.matrix.android.api.Matrix
 import im.vector.matrix.android.api.auth.AuthenticationService
+import im.vector.matrix.android.internal.MatrixConfigurationHolder
 import im.vector.matrix.android.internal.SessionManager
 import im.vector.matrix.android.internal.auth.AuthModule
 import im.vector.matrix.android.internal.auth.SessionParamsStore
@@ -46,6 +47,8 @@ internal interface MatrixComponent {
 
     fun authenticationService(): AuthenticationService
 
+    fun matrixConfigurationHolder(): MatrixConfigurationHolder
+
     fun context(): Context
 
     fun resources(): Resources

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionModule.kt

@@ -27,14 +27,24 @@ import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.api.auth.data.HomeServerConnectionConfig
 import im.vector.matrix.android.api.auth.data.SessionParams
 import im.vector.matrix.android.api.auth.data.sessionId
+import im.vector.matrix.android.api.crypto.MXCryptoConfig
 import im.vector.matrix.android.api.session.InitialSyncProgressService
 import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.homeserver.HomeServerCapabilitiesService
 import im.vector.matrix.android.api.session.securestorage.SecureStorageService
+import im.vector.matrix.android.internal.MatrixConfigurationHolder
 import im.vector.matrix.android.internal.crypto.verification.VerificationMessageLiveObserver
 import im.vector.matrix.android.internal.database.LiveEntityObserver
 import im.vector.matrix.android.internal.database.SessionRealmConfigurationFactory
-import im.vector.matrix.android.internal.di.*
+import im.vector.matrix.android.internal.di.Authenticated
+import im.vector.matrix.android.internal.di.DeviceId
+import im.vector.matrix.android.internal.di.SessionCacheDirectory
+import im.vector.matrix.android.internal.di.SessionDatabase
+import im.vector.matrix.android.internal.di.SessionFilesDirectory
+import im.vector.matrix.android.internal.di.SessionId
+import im.vector.matrix.android.internal.di.Unauthenticated
+import im.vector.matrix.android.internal.di.UserId
+import im.vector.matrix.android.internal.di.UserMd5
 import im.vector.matrix.android.internal.network.AccessTokenInterceptor
 import im.vector.matrix.android.internal.network.RetrofitFactory
 import im.vector.matrix.android.internal.network.interceptors.CurlLoggingInterceptor
@@ -178,6 +188,13 @@ internal abstract class SessionModule {
         fun providesEventBus(): EventBus {
             return EventBus.builder().build()
         }
+
+        @JvmStatic
+        @Provides
+        @SessionScope
+        fun providesMxCryptoConfig(matrixConfigurationHolder: MatrixConfigurationHolder): MXCryptoConfig {
+            return matrixConfigurationHolder.matrixConfiguration?.cryptoConfig ?: MXCryptoConfig()
+        }
     }
 
     @Binds