Initial implementation of the reset identity feature

features/ftue/impl/src/main/kotlin/io/element/android/features/ftue/impl/sessionverification/FtueSessionVerificationFlowNode.kt

@@ -58,6 +58,9 @@ class FtueSessionVerificationFlowNode @AssistedInject constructor(
 
         @Parcelize
         data object EnterRecoveryKey : NavTarget
+
+        @Parcelize
+        data object ResetIdentity : NavTarget
     }
 
     interface Callback : Plugin {
@@ -85,6 +88,10 @@ class FtueSessionVerificationFlowNode @AssistedInject constructor(
                         override fun onDone() {
                             plugins<Callback>().forEach { it.onDone() }
                         }
+
+                        override fun onResetKey() {
+                            backstack.push(NavTarget.ResetIdentity)
+                        }
                     })
                     .build()
             }
@@ -94,6 +101,16 @@ class FtueSessionVerificationFlowNode @AssistedInject constructor(
                     .callback(secureBackupEntryPointCallback)
                     .build()
             }
+            is NavTarget.ResetIdentity -> {
+                secureBackupEntryPoint.nodeBuilder(this, buildContext)
+                    .params(SecureBackupEntryPoint.Params(SecureBackupEntryPoint.InitialTarget.ResetIdentity))
+                    .callback(object : SecureBackupEntryPoint.Callback {
+                        override fun onDone() {
+                            plugins<Callback>().forEach { it.onDone() }
+                        }
+                    })
+                    .build()
+            }
         }
     }
 

features/securebackup/api/src/main/kotlin/io/element/android/features/securebackup/api/SecureBackupEntryPoint.kt

@@ -34,6 +34,9 @@ interface SecureBackupEntryPoint : FeatureEntryPoint {
 
         @Parcelize
         data object CreateNewRecoveryKey : InitialTarget
+
+        @Parcelize
+        data object ResetIdentity : InitialTarget
     }
 
     data class Params(val initialElement: InitialTarget) : NodeInputs

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/SecureBackupFlowNode.kt

@@ -34,6 +34,7 @@ import io.element.android.features.securebackup.impl.createkey.CreateNewRecovery
 import io.element.android.features.securebackup.impl.disable.SecureBackupDisableNode
 import io.element.android.features.securebackup.impl.enable.SecureBackupEnableNode
 import io.element.android.features.securebackup.impl.enter.SecureBackupEnterRecoveryKeyNode
+import io.element.android.features.securebackup.impl.reset.ResetIdentityFlowNode
 import io.element.android.features.securebackup.impl.root.SecureBackupRootNode
 import io.element.android.features.securebackup.impl.setup.SecureBackupSetupNode
 import io.element.android.libraries.architecture.BackstackView
@@ -48,10 +49,11 @@ class SecureBackupFlowNode @AssistedInject constructor(
     @Assisted plugins: List<Plugin>,
 ) : BaseFlowNode<SecureBackupFlowNode.NavTarget>(
     backstack = BackStack(
-        initialElement = when (plugins.filterIsInstance(SecureBackupEntryPoint.Params::class.java).first().initialElement) {
+        initialElement = when (plugins.filterIsInstance<SecureBackupEntryPoint.Params>().first().initialElement) {
             SecureBackupEntryPoint.InitialTarget.Root -> NavTarget.Root
             SecureBackupEntryPoint.InitialTarget.EnterRecoveryKey -> NavTarget.EnterRecoveryKey
             SecureBackupEntryPoint.InitialTarget.CreateNewRecoveryKey -> NavTarget.CreateNewRecoveryKey
+            is SecureBackupEntryPoint.InitialTarget.ResetIdentity -> NavTarget.ResetIdentity
         },
         savedStateMap = buildContext.savedStateMap,
     ),
@@ -79,6 +81,9 @@ class SecureBackupFlowNode @AssistedInject constructor(
 
         @Parcelize
         data object CreateNewRecoveryKey : NavTarget
+
+        @Parcelize
+        data object ResetIdentity : NavTarget
     }
 
     private val callbacks = plugins<SecureBackupEntryPoint.Callback>()
@@ -146,6 +151,14 @@ class SecureBackupFlowNode @AssistedInject constructor(
             NavTarget.CreateNewRecoveryKey -> {
                 createNode<CreateNewRecoveryKeyNode>(buildContext)
             }
+            is NavTarget.ResetIdentity -> {
+                val callback = object : ResetIdentityFlowNode.Callback {
+                    override fun onDone() {
+                        callbacks.forEach { it.onDone() }
+                    }
+                }
+                createNode<ResetIdentityFlowNode>(buildContext, listOf(callback))
+            }
         }
     }
 

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/ResetIdentityFlowManager.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset
+
+import io.element.android.libraries.architecture.AsyncData
+import io.element.android.libraries.di.SessionScope
+import io.element.android.libraries.di.SingleIn
+import io.element.android.libraries.di.annotations.SessionCoroutineScope
+import io.element.android.libraries.matrix.api.MatrixClient
+import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.api.encryption.IdentityResetHandle
+import io.element.android.libraries.matrix.api.verification.SessionVerificationService
+import io.element.android.libraries.matrix.api.verification.SessionVerifiedStatus
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterIsInstance
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+class ResetIdentityFlowManager @Inject constructor(
+    private val matrixClient: MatrixClient,
+    @SessionCoroutineScope private val sessionCoroutineScope: CoroutineScope,
+    private val sessionVerificationService: SessionVerificationService,
+) {
+    private val resetHandleFlow: MutableStateFlow<AsyncData<IdentityResetHandle>> = MutableStateFlow(AsyncData.Uninitialized)
+    val currentHandleFlow: StateFlow<AsyncData<IdentityResetHandle>> = resetHandleFlow
+
+    fun whenResetIsDone(block: () -> Unit) {
+        sessionCoroutineScope.launch {
+            sessionVerificationService.sessionVerifiedStatus.filterIsInstance<SessionVerifiedStatus.Verified>().first()
+            block()
+        }
+    }
+
+    fun currentSessionId(): SessionId {
+        return matrixClient.sessionId
+    }
+
+    fun getResetHandle(): StateFlow<AsyncData<IdentityResetHandle>> {
+        return if (resetHandleFlow.value.isLoading() || resetHandleFlow.value.isSuccess()) {
+            resetHandleFlow
+        } else {
+            resetHandleFlow.value = AsyncData.Loading()
+
+            sessionCoroutineScope.launch {
+                matrixClient.encryptionService().startIdentityReset()
+                    .onSuccess { handle ->
+                        resetHandleFlow.value = if (handle != null) {
+                            AsyncData.Success(handle)
+                        } else {
+                            AsyncData.Failure(IllegalStateException("Could not get a reset identity handle"))
+                        }
+                    }
+                    .onFailure { resetHandleFlow.value = AsyncData.Failure(it) }
+            }
+
+            resetHandleFlow
+        }
+    }
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/ResetIdentityFlowNode.kt

@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset
+
+import android.app.Activity
+import android.os.Parcelable
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import com.bumble.appyx.core.plugin.plugins
+import com.bumble.appyx.navmodel.backstack.BackStack
+import com.bumble.appyx.navmodel.backstack.operation.push
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import io.element.android.anvilannotations.ContributesNode
+import io.element.android.features.securebackup.impl.reset.password.ResetKeyPasswordNode
+import io.element.android.features.securebackup.impl.reset.root.ResetKeyRootNode
+import io.element.android.libraries.androidutils.browser.openUrlInChromeCustomTab
+import io.element.android.libraries.architecture.AsyncData
+import io.element.android.libraries.architecture.BackstackView
+import io.element.android.libraries.architecture.BaseFlowNode
+import io.element.android.libraries.architecture.createNode
+import io.element.android.libraries.di.SessionScope
+import io.element.android.libraries.matrix.api.encryption.IdentityOidcResetHandle
+import io.element.android.libraries.matrix.api.encryption.IdentityPasswordResetHandle
+import io.element.android.libraries.matrix.api.encryption.IdentityResetHandle
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.filterIsInstance
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+import kotlinx.parcelize.Parcelize
+
+@ContributesNode(SessionScope::class)
+class ResetIdentityFlowNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+    private val resetIdentityFlowManager: ResetIdentityFlowManager,
+    private val coroutineScope: CoroutineScope,
+) : BaseFlowNode<ResetIdentityFlowNode.NavTarget>(
+    backstack = BackStack(initialElement = NavTarget.Root, savedStateMap = buildContext.savedStateMap),
+    buildContext = buildContext,
+    plugins = plugins,
+) {
+    interface Callback: Plugin {
+        fun onDone()
+    }
+
+    sealed interface NavTarget : Parcelable {
+        @Parcelize
+        data object Root : NavTarget
+
+        @Parcelize
+        data object ResetPassword : NavTarget
+
+//        @Parcelize
+//        data class ResetOidc(val url: String) : NavTarget
+    }
+
+    private lateinit var activity: Activity
+
+    override fun onBuilt() {
+        super.onBuilt()
+
+        resetIdentityFlowManager.whenResetIsDone {
+            plugins<Callback>().forEach { it.onDone() }
+        }
+    }
+
+    override fun resolve(navTarget: NavTarget, buildContext: BuildContext): Node {
+        return when (navTarget) {
+            is NavTarget.Root -> {
+                val callback = object : ResetKeyRootNode.Callback {
+                    override fun onContinue() {
+                        coroutineScope.startReset()
+                    }
+                }
+                createNode<ResetKeyRootNode>(buildContext, listOf(callback))
+            }
+            is NavTarget.ResetPassword -> {
+                val handle = resetIdentityFlowManager.currentHandleFlow.value.dataOrNull() as? IdentityPasswordResetHandle ?: error("No password handle found")
+                createNode<ResetKeyPasswordNode>(
+                    buildContext,
+                    listOf(ResetKeyPasswordNode.Inputs(resetIdentityFlowManager.currentSessionId(), handle))
+                )
+            }
+        }
+    }
+
+    private fun CoroutineScope.startReset() = launch {
+        val handle = resetIdentityFlowManager.getResetHandle()
+            .filterIsInstance<AsyncData.Success<IdentityResetHandle>>()
+            .first()
+            .data
+
+        when (handle) {
+            is IdentityOidcResetHandle -> {
+                activity.openUrlInChromeCustomTab(null, false, handle.url)
+                handle.resetOidc()
+            }
+            is IdentityPasswordResetHandle -> backstack.push(NavTarget.ResetPassword)
+        }
+    }
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        (LocalContext.current as? Activity)?.let { activity = it }
+
+        BackstackView(modifier)
+    }
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/password/ResetKeyPasswordEvent.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.password
+
+sealed interface ResetKeyPasswordEvent {
+    data class Reset(val password: String) : ResetKeyPasswordEvent
+    data object DismissError : ResetKeyPasswordEvent
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/password/ResetKeyPasswordNode.kt

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.password
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import com.bumble.appyx.core.plugin.plugins
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import io.element.android.anvilannotations.ContributesNode
+import io.element.android.libraries.architecture.NodeInputs
+import io.element.android.libraries.architecture.inputs
+import io.element.android.libraries.di.SessionScope
+import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.api.encryption.IdentityPasswordResetHandle
+
+@ContributesNode(SessionScope::class)
+class ResetKeyPasswordNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+) : Node(buildContext, plugins = plugins) {
+
+    data class Inputs(val userId: UserId, val handle: IdentityPasswordResetHandle) : NodeInputs
+
+    private val presenter by lazy {
+        val inputs = inputs<Inputs>()
+        ResetKeyPasswordPresenter(inputs.userId, inputs.handle)
+    }
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        val state = presenter.present()
+        ResetKeyPasswordView(
+            state = state,
+            onBack = ::navigateUp
+        )
+    }
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/password/ResetKeyPasswordPresenter.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.password
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.architecture.runCatchingUpdatingState
+import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.api.encryption.IdentityPasswordResetHandle
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+
+class ResetKeyPasswordPresenter(
+    private val userId: UserId,
+    private val identityPasswordResetHandle: IdentityPasswordResetHandle,
+) : Presenter<ResetKeyPasswordState> {
+    @Composable
+    override fun present(): ResetKeyPasswordState {
+        val coroutineScope = rememberCoroutineScope()
+
+        val resetAction = remember { mutableStateOf<AsyncAction<Unit>>(AsyncAction.Uninitialized) }
+
+        fun handleEvent(event: ResetKeyPasswordEvent) {
+            when (event) {
+                is ResetKeyPasswordEvent.Reset -> coroutineScope.reset(userId, event.password, resetAction)
+                ResetKeyPasswordEvent.DismissError -> resetAction.value = AsyncAction.Uninitialized
+            }
+        }
+
+        return ResetKeyPasswordState(
+            resetAction = resetAction.value,
+            eventSink = ::handleEvent
+        )
+    }
+
+    private fun CoroutineScope.reset(userId: UserId, password: String, action: MutableState<AsyncAction<Unit>>) = launch {
+        suspend {
+            identityPasswordResetHandle.resetPassword(userId, password).getOrThrow()
+        }.runCatchingUpdatingState(action)
+    }
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/password/ResetKeyPasswordState.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.password
+
+import io.element.android.libraries.architecture.AsyncAction
+
+data class ResetKeyPasswordState(
+    val resetAction: AsyncAction<Unit>,
+    val eventSink: (ResetKeyPasswordEvent) -> Unit,
+)

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/password/ResetKeyPasswordView.kt

@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.password
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.text.input.VisualTransformation
+import io.element.android.compound.tokens.generated.CompoundIcons
+import io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.designsystem.atomic.pages.FlowStepPage
+import io.element.android.libraries.designsystem.components.BigIcon
+import io.element.android.libraries.designsystem.components.ProgressDialog
+import io.element.android.libraries.designsystem.components.dialogs.ErrorDialog
+import io.element.android.libraries.designsystem.components.form.textFieldState
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.theme.components.Button
+import io.element.android.libraries.designsystem.theme.components.Icon
+import io.element.android.libraries.designsystem.theme.components.IconButton
+import io.element.android.libraries.designsystem.theme.components.OutlinedTextField
+import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.designsystem.theme.components.onTabOrEnterKeyFocusNext
+import io.element.android.libraries.ui.strings.CommonStrings
+
+@Composable
+fun ResetKeyPasswordView(
+    state: ResetKeyPasswordState,
+    onBack: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    val passwordState = textFieldState(stateValue = "")
+    FlowStepPage(
+        modifier = modifier,
+        iconStyle = BigIcon.Style.Default(CompoundIcons.LockSolid()),
+        title = stringResource(CommonStrings.screen_reset_encryption_password_title),
+        subTitle = stringResource(CommonStrings.screen_reset_encryption_password_subtitle),
+        onBackClick = onBack,
+        content = { Content(textFieldState = passwordState) },
+        buttons = {
+            Button(
+                modifier = Modifier.fillMaxWidth(),
+                text = stringResource(CommonStrings.action_reset_identity),
+                onClick = { state.eventSink(ResetKeyPasswordEvent.Reset(passwordState.value)) },
+                destructive = true,
+            )
+        }
+    )
+
+    if (state.resetAction.isLoading() || state.resetAction.isSuccess()) {
+        ProgressDialog()
+    } else if (state.resetAction.isFailure()) {
+        ErrorDialog(
+            content = stringResource(CommonStrings.error_unknown),
+            onDismiss = { state.eventSink(ResetKeyPasswordEvent.DismissError) }
+        )
+    }
+}
+
+@Composable
+private fun Content(textFieldState: MutableState<String>) {
+    var showPassword by remember { mutableStateOf(false) }
+    OutlinedTextField(
+        modifier = Modifier
+            .fillMaxWidth()
+            .onTabOrEnterKeyFocusNext(LocalFocusManager.current),
+        value = textFieldState.value,
+        onValueChange = { text -> textFieldState.value = text },
+        label = { Text(stringResource(CommonStrings.common_password)) },
+        placeholder = { Text(stringResource(CommonStrings.screen_reset_encryption_password_placeholder)) },
+        singleLine = true,
+        visualTransformation = if (showPassword) VisualTransformation.None else PasswordVisualTransformation(),
+        trailingIcon = {
+            val image =
+                if (showPassword) CompoundIcons.VisibilityOn() else CompoundIcons.VisibilityOff()
+            val description =
+                if (showPassword) stringResource(CommonStrings.a11y_hide_password) else stringResource(CommonStrings.a11y_show_password)
+
+            IconButton(onClick = { showPassword = !showPassword }) {
+                Icon(imageVector = image, description)
+            }
+        }
+    )
+}
+
+@PreviewsDayNight
+@Composable
+internal fun ResetKeyPasswordViewPreview() {
+    ElementPreview {
+        ResetKeyPasswordView(
+            state = ResetKeyPasswordState(
+                resetAction = AsyncAction.Uninitialized,
+                eventSink = {}
+            ),
+            onBack = {}
+        )
+    }
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/root/ResetKeyRootEvent.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.root
+
+sealed interface ResetKeyRootEvent {
+    data object Continue : ResetKeyRootEvent
+    data object DismissDialog : ResetKeyRootEvent
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/root/ResetKeyRootNode.kt

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.root
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import io.element.android.anvilannotations.ContributesNode
+import io.element.android.libraries.di.SessionScope
+
+@ContributesNode(SessionScope::class)
+class ResetKeyRootNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+) : Node(buildContext, plugins = plugins) {
+    interface Callback : Plugin {
+        fun onContinue()
+    }
+
+    private val presenter = ResetKeyRootPresenter()
+    private val callback: Callback = plugins.filterIsInstance<Callback>().first()
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        val state = presenter.present()
+        ResetKeyRootView(
+            state = state,
+            onContinue = callback::onContinue,
+            onBack = ::navigateUp,
+        )
+    }
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/root/ResetKeyRootPresenter.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.root
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import io.element.android.libraries.architecture.Presenter
+
+class ResetKeyRootPresenter : Presenter<ResetKeyRootState> {
+    @Composable
+    override fun present(): ResetKeyRootState {
+        var displayConfirmDialog by remember { mutableStateOf(false) }
+
+        fun handleEvent(event: ResetKeyRootEvent) {
+            displayConfirmDialog = when (event) {
+                ResetKeyRootEvent.Continue -> true
+                ResetKeyRootEvent.DismissDialog -> false
+            }
+        }
+
+        return ResetKeyRootState(
+            displayConfirmationDialog = displayConfirmDialog,
+            eventSink = ::handleEvent
+        )
+    }
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/root/ResetKeyRootState.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.root
+
+data class ResetKeyRootState(
+    val displayConfirmationDialog: Boolean,
+    val eventSink: (ResetKeyRootEvent) -> Unit,
+)

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/root/ResetKeyRootStateProvider.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.root
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+
+class ResetKeyRootStateProvider : PreviewParameterProvider<ResetKeyRootState> {
+    override val values: Sequence<ResetKeyRootState>
+        get() = sequenceOf(
+            ResetKeyRootState(
+                displayConfirmationDialog = false,
+                eventSink = {}
+            ),
+            ResetKeyRootState(
+                displayConfirmationDialog = true,
+                eventSink = {}
+            )
+        )
+}

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/reset/root/ResetKeyRootView.kt

@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.features.securebackup.impl.reset.root
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.PreviewParameter
+import androidx.compose.ui.unit.dp
+import io.element.android.compound.theme.ElementTheme
+import io.element.android.compound.tokens.generated.CompoundIcons
+import io.element.android.libraries.designsystem.atomic.organisms.InfoListItem
+import io.element.android.libraries.designsystem.atomic.organisms.InfoListOrganism
+import io.element.android.libraries.designsystem.atomic.pages.FlowStepPage
+import io.element.android.libraries.designsystem.components.BigIcon
+import io.element.android.libraries.designsystem.components.dialogs.ConfirmationDialog
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.theme.components.Button
+import io.element.android.libraries.designsystem.theme.components.Icon
+import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.ui.strings.CommonStrings
+import kotlinx.collections.immutable.persistentListOf
+
+@Composable
+fun ResetKeyRootView(
+    state: ResetKeyRootState,
+    onContinue: () -> Unit,
+    onBack: () -> Unit,
+) {
+    FlowStepPage(
+        iconStyle = BigIcon.Style.AlertSolid,
+        title = stringResource(io.element.android.libraries.ui.strings.R.string.screen_encryption_reset_title),
+        subTitle = stringResource(io.element.android.libraries.ui.strings.R.string.screen_encryption_reset_subtitle),
+        isScrollable = true,
+        content = { Content() },
+        buttons = {
+            Button(
+                modifier = Modifier.fillMaxWidth(),
+                text = stringResource(id = CommonStrings.action_continue),
+                onClick = { state.eventSink(ResetKeyRootEvent.Continue) },
+                destructive = true,
+            )
+        },
+        onBackClick = onBack,
+    )
+
+    if (state.displayConfirmationDialog) {
+        ConfirmationDialog(
+            title = stringResource(CommonStrings.screen_reset_encryption_confirmation_alert_title),
+            content = stringResource(CommonStrings.screen_reset_encryption_confirmation_alert_subtitle),
+            submitText = stringResource(CommonStrings.screen_reset_encryption_confirmation_alert_action),
+            onSubmitClick = {
+                state.eventSink(ResetKeyRootEvent.DismissDialog)
+                onContinue()
+            },
+            destructiveSubmit = true,
+            onDismiss = { state.eventSink(ResetKeyRootEvent.DismissDialog) }
+        )
+    }
+}
+
+@Composable
+private fun Content() {
+    Column(
+        modifier = Modifier.padding(top = 8.dp, bottom = 40.dp),
+        verticalArrangement = Arrangement.spacedBy(24.dp),
+    ) {
+        InfoListOrganism(
+            modifier = Modifier.fillMaxWidth(),
+            items = persistentListOf(
+                InfoListItem(
+                    message = stringResource(CommonStrings.screen_encryption_reset_bullet_1),
+                    iconComposable = {
+                        Icon(
+                            modifier = Modifier.size(20.dp),
+                            imageVector = CompoundIcons.Check(),
+                            contentDescription = null,
+                            tint = ElementTheme.colors.iconSuccessPrimary,
+                        )
+                    },
+                ),
+                InfoListItem(
+                    message = stringResource(CommonStrings.screen_encryption_reset_bullet_2),
+                    iconComposable = {
+                        Icon(
+                            modifier = Modifier.size(20.dp),
+                            imageVector = CompoundIcons.Close(),
+                            contentDescription = null,
+                            tint = ElementTheme.colors.iconCriticalPrimary,
+                        )
+                    },
+                ),
+                InfoListItem(
+                    message = stringResource(CommonStrings.screen_encryption_reset_bullet_3),
+                    iconComposable = {
+                        Icon(
+                            modifier = Modifier.size(20.dp),
+                            imageVector = CompoundIcons.Close(),
+                            contentDescription = null,
+                            tint = ElementTheme.colors.iconCriticalPrimary,
+                        )
+                    },
+                ),
+            ),
+            backgroundColor = ElementTheme.colors.bgActionSecondaryHovered,
+        )
+
+        Text(
+            modifier = Modifier.fillMaxWidth(),
+            text = stringResource(CommonStrings.screen_encryption_reset_footer),
+            style = ElementTheme.typography.fontBodyMdMedium,
+            color = ElementTheme.colors.textActionPrimary,
+            textAlign = TextAlign.Center,
+        )
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun ResetKeyRootViewPreview(@PreviewParameter(ResetKeyRootStateProvider::class) state: ResetKeyRootState) {
+    ElementPreview {
+        ResetKeyRootView(
+            state = state,
+            onContinue = {},
+            onBack = {},
+        )
+    }
+}

features/verifysession/api/src/main/kotlin/io/element/android/features/verifysession/api/VerifySessionEntryPoint.kt

@@ -31,6 +31,7 @@ interface VerifySessionEntryPoint : FeatureEntryPoint {
 
     interface Callback : Plugin {
         fun onEnterRecoveryKey()
+        fun onResetKey()
         fun onDone()
     }
 }

features/verifysession/impl/src/main/kotlin/io/element/android/features/verifysession/impl/VerifySelfSessionNode.kt

@@ -43,6 +43,7 @@ class VerifySelfSessionNode @AssistedInject constructor(
             state = state,
             modifier = modifier,
             onEnterRecoveryKey = callback::onEnterRecoveryKey,
+            onResetKey = callback::onResetKey,
             onFinish = callback::onDone,
         )
     }

features/verifysession/impl/src/main/kotlin/io/element/android/features/verifysession/impl/VerifySelfSessionView.kt

@@ -20,6 +20,7 @@ import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxHeight
@@ -53,6 +54,7 @@ import io.element.android.libraries.designsystem.components.PageTitle
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.theme.components.Button
+import io.element.android.libraries.designsystem.theme.components.OutlinedButton
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.theme.components.TextButton
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
@@ -66,6 +68,7 @@ import io.element.android.features.verifysession.impl.VerifySelfSessionState.Ver
 fun VerifySelfSessionView(
     state: VerifySelfSessionState,
     onEnterRecoveryKey: () -> Unit,
+    onResetKey: () -> Unit,
     onFinish: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
@@ -115,6 +118,7 @@ fun VerifySelfSessionView(
                 goBack = ::resetFlow,
                 onEnterRecoveryKey = onEnterRecoveryKey,
                 onFinish = onFinish,
+                onResetKey = onResetKey,
             )
         }
     ) {
@@ -226,6 +230,7 @@ private fun EmojiItemView(emoji: VerificationEmoji, modifier: Modifier = Modifie
 private fun BottomMenu(
     screenState: VerifySelfSessionState,
     onEnterRecoveryKey: () -> Unit,
+    onResetKey: () -> Unit,
     goBack: () -> Unit,
     onFinish: () -> Unit,
 ) {
@@ -236,42 +241,69 @@ private fun BottomMenu(
 
     when (verificationViewState) {
         is FlowStep.Initial -> {
-            if (verificationViewState.isLastDevice) {
+            BottomMenu {
-                BottomMenu(
+                if (verificationViewState.isLastDevice) {
-                    positiveButtonTitle = stringResource(R.string.screen_session_verification_enter_recovery_key),
+                    Button(
-                    onPositiveButtonClick = onEnterRecoveryKey,
+                        modifier = Modifier.fillMaxWidth(),
-                )
+                        text = stringResource(R.string.screen_session_verification_enter_recovery_key),
-            } else {
+                        onClick = onEnterRecoveryKey,
-                BottomMenu(
+                    )
-                    positiveButtonTitle = stringResource(R.string.screen_identity_use_another_device),
+                } else {
-                    onPositiveButtonClick = { eventSink(VerifySelfSessionViewEvents.RequestVerification) },
+                    Button(
-                    negativeButtonTitle = stringResource(R.string.screen_session_verification_enter_recovery_key),
+                        modifier = Modifier.fillMaxWidth(),
-                    onNegativeButtonClick = onEnterRecoveryKey,
+                        text = stringResource(R.string.screen_identity_use_another_device),
+                        onClick = { eventSink(VerifySelfSessionViewEvents.RequestVerification) },
+                    )
+                    OutlinedButton(
+                        modifier = Modifier.fillMaxWidth(),
+                        text = stringResource(R.string.screen_session_verification_enter_recovery_key),
+                        onClick = onEnterRecoveryKey,
+                    )
+                }
+                TextButton(
+                    modifier = Modifier.fillMaxWidth(),
+                    text = stringResource(R.string.screen_identity_confirmation_cannot_confirm),
+                    onClick = onResetKey,
                 )
             }
         }
         is FlowStep.Canceled -> {
-            BottomMenu(
+            BottomMenu {
-                positiveButtonTitle = stringResource(R.string.screen_session_verification_positive_button_canceled),
+                Button(
-                onPositiveButtonClick = { eventSink(VerifySelfSessionViewEvents.RequestVerification) },
+                    modifier = Modifier.fillMaxWidth(),
-                negativeButtonTitle = stringResource(CommonStrings.action_cancel),
+                    text = stringResource(R.string.screen_session_verification_positive_button_canceled),
-                onNegativeButtonClick = goBack,
+                    onClick = { eventSink(VerifySelfSessionViewEvents.RequestVerification) },
-            )
+                )
+                TextButton(
+                    modifier = Modifier.fillMaxWidth(),
+                    text = stringResource(CommonStrings.action_cancel),
+                    onClick = goBack,
+                )
+            }
         }
         is FlowStep.Ready -> {
-            BottomMenu(
+            BottomMenu {
-                positiveButtonTitle = stringResource(CommonStrings.action_start),
+                Button(
-                onPositiveButtonClick = { eventSink(VerifySelfSessionViewEvents.StartSasVerification) },
+                    modifier = Modifier.fillMaxWidth(),
-                negativeButtonTitle = stringResource(CommonStrings.action_cancel),
+                    text = stringResource(CommonStrings.action_start),
-                onNegativeButtonClick = goBack,
+                    onClick = { eventSink(VerifySelfSessionViewEvents.StartSasVerification) },
-            )
+                )
+                TextButton(
+                    modifier = Modifier.fillMaxWidth(),
+                    text = stringResource(CommonStrings.action_cancel),
+                    onClick = goBack,
+                )
+            }
         }
         is FlowStep.AwaitingOtherDeviceResponse -> {
-            BottomMenu(
+            BottomMenu {
-                positiveButtonTitle = stringResource(R.string.screen_identity_waiting_on_other_device),
+                Button(
-                onPositiveButtonClick = {},
+                    modifier = Modifier.fillMaxWidth(),
-                isLoading = true,
+                    text = stringResource(R.string.screen_identity_waiting_on_other_device),
-            )
+                    onClick = {},
+                    showProgress = true,
+                )
+            }
         }
         is FlowStep.Verifying -> {
             val positiveButtonTitle = if (isVerifying) {
@@ -279,23 +311,32 @@ private fun BottomMenu(
             } else {
                 stringResource(R.string.screen_session_verification_they_match)
             }
-            BottomMenu(
+            BottomMenu {
-                positiveButtonTitle = positiveButtonTitle,
+                Button(
-                onPositiveButtonClick = {
+                    modifier = Modifier.fillMaxWidth(),
-                    if (!isVerifying) {
+                    text = positiveButtonTitle,
-                        eventSink(VerifySelfSessionViewEvents.ConfirmVerification)
+                    showProgress = isVerifying,
-                    }
+                    onClick = {
-                },
+                        if (!isVerifying) {
-                negativeButtonTitle = stringResource(R.string.screen_session_verification_they_dont_match),
+                            eventSink(VerifySelfSessionViewEvents.ConfirmVerification)
-                onNegativeButtonClick = { eventSink(VerifySelfSessionViewEvents.DeclineVerification) },
+                        }
-                isLoading = isVerifying,
+                    },
-            )
+                )
+                TextButton(
+                    modifier = Modifier.fillMaxWidth(),
+                    text = stringResource(R.string.screen_session_verification_they_dont_match),
+                    onClick = { eventSink(VerifySelfSessionViewEvents.DeclineVerification) },
+                )
+            }
         }
         is FlowStep.Completed -> {
-            BottomMenu(
+            BottomMenu {
-                positiveButtonTitle = stringResource(CommonStrings.action_continue),
+                Button(
-                onPositiveButtonClick = onFinish,
+                    modifier = Modifier.fillMaxWidth(),
-            )
+                    text = stringResource(CommonStrings.action_continue),
+                    onClick = onFinish,
+                )
+            }
         }
         is FlowStep.Skipped -> return
     }
@@ -303,35 +344,13 @@ private fun BottomMenu(
 
 @Composable
 private fun BottomMenu(
-    positiveButtonTitle: String?,
-    onPositiveButtonClick: () -> Unit,
     modifier: Modifier = Modifier,
-    negativeButtonTitle: String? = null,
+    buttons: @Composable ColumnScope.() -> Unit,
-    negativeButtonEnabled: Boolean = negativeButtonTitle != null,
-    onNegativeButtonClick: () -> Unit = {},
-    isLoading: Boolean = false,
 ) {
     ButtonColumnMolecule(
         modifier = modifier.padding(bottom = 16.dp)
     ) {
-        if (positiveButtonTitle != null) {
+        buttons()
-            Button(
-                text = positiveButtonTitle,
-                showProgress = isLoading,
-                modifier = Modifier.fillMaxWidth(),
-                onClick = onPositiveButtonClick,
-            )
-        }
-        if (negativeButtonTitle != null) {
-            TextButton(
-                text = negativeButtonTitle,
-                modifier = Modifier.fillMaxWidth(),
-                onClick = onNegativeButtonClick,
-                enabled = negativeButtonEnabled,
-            )
-        } else {
-            Spacer(modifier = Modifier.height(48.dp))
-        }
     }
 }
 
@@ -341,6 +360,7 @@ internal fun VerifySelfSessionViewPreview(@PreviewParameter(VerifySelfSessionSta
     VerifySelfSessionView(
         state = state,
         onEnterRecoveryKey = {},
+        onResetKey = {},
         onFinish = {},
     )
 }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -41,6 +41,7 @@ import io.element.android.libraries.matrix.api.sync.SyncService
 import io.element.android.libraries.matrix.api.user.MatrixSearchUserResults
 import io.element.android.libraries.matrix.api.user.MatrixUser
 import io.element.android.libraries.matrix.api.verification.SessionVerificationService
+import io.element.android.libraries.sessionstorage.api.LoginType
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.Flow

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/encryption/EncryptionService.kt

@@ -16,6 +16,7 @@
 
 package io.element.android.libraries.matrix.api.encryption
 
+import io.element.android.libraries.matrix.api.core.UserId
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.StateFlow
 
@@ -62,4 +63,17 @@ interface EncryptionService {
      * called the fingerprint of the device.
      */
     suspend fun deviceEd25519(): String?
+
+    suspend fun startIdentityReset(): Result<IdentityResetHandle?>
+}
+
+interface IdentityResetHandle
+
+interface IdentityPasswordResetHandle : IdentityResetHandle {
+    suspend fun resetPassword(userId: UserId, password: String): Result<Unit>
+}
+
+interface IdentityOidcResetHandle : IdentityResetHandle {
+    val url: String
+    suspend fun resetOidc(): Result<Unit>
 }

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/encryption/RustEncryptionService.kt

@@ -22,6 +22,7 @@ import io.element.android.libraries.matrix.api.encryption.BackupState
 import io.element.android.libraries.matrix.api.encryption.BackupUploadState
 import io.element.android.libraries.matrix.api.encryption.EnableRecoveryProgress
 import io.element.android.libraries.matrix.api.encryption.EncryptionService
+import io.element.android.libraries.matrix.api.encryption.IdentityResetHandle
 import io.element.android.libraries.matrix.api.encryption.RecoveryState
 import io.element.android.libraries.matrix.api.sync.SyncState
 import io.element.android.libraries.matrix.impl.sync.RustSyncService
@@ -198,4 +199,8 @@ internal class RustEncryptionService(
     override suspend fun deviceEd25519(): String? {
         return service.ed25519Key()
     }
+
+    override suspend fun startIdentityReset(): Result<IdentityResetHandle?> {
+        return runCatching { service.resetIdentity()?.let(RustIdentityResetHandleFactory::create)?.getOrNull() }
+    }
 }

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/encryption/RustIdentityResetHandle.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2024 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
+ *
+ *     https://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 io.element.android.libraries.matrix.impl.encryption
+
+import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.api.encryption.IdentityOidcResetHandle
+import io.element.android.libraries.matrix.api.encryption.IdentityPasswordResetHandle
+import io.element.android.libraries.matrix.api.encryption.IdentityResetHandle
+import org.matrix.rustcomponents.sdk.AuthData
+import org.matrix.rustcomponents.sdk.AuthDataPasswordDetails
+import org.matrix.rustcomponents.sdk.CrossSigningResetAuthType
+
+object RustIdentityResetHandleFactory {
+    fun create(identityResetHandle: org.matrix.rustcomponents.sdk.IdentityResetHandle): Result<IdentityResetHandle> {
+        return runCatching {
+            when (val authType = identityResetHandle.authType()) {
+                is CrossSigningResetAuthType.Oidc -> RustOidcIdentityResetHandle(identityResetHandle, authType.info.approvalUrl)
+                // User interactive authentication (user + password)
+                CrossSigningResetAuthType.Uiaa -> RustPasswordIdentityResetHandle(identityResetHandle)
+            }
+        }
+    }
+}
+
+class RustPasswordIdentityResetHandle(
+    private val identityResetHandle: org.matrix.rustcomponents.sdk.IdentityResetHandle,
+) : IdentityPasswordResetHandle {
+    override suspend fun resetPassword(userId: UserId, password: String): Result<Unit> {
+        return runCatching { identityResetHandle.reset(AuthData.Password(AuthDataPasswordDetails(userId.value, password))) }
+    }
+}
+
+class RustOidcIdentityResetHandle(
+    private val identityResetHandle: org.matrix.rustcomponents.sdk.IdentityResetHandle,
+    override val url: String,
+) : IdentityOidcResetHandle {
+    override suspend fun resetOidc(): Result<Unit> {
+        return runCatching { identityResetHandle.reset(null) }
+    }
+}