Merge pull request #1844 from RocketChat/new/delete-my-account

[NEW] Adds delete own account.

app/src/main/java/chat/rocket/android/authentication/onboarding/presentation/OnBoardingPresenter.kt

@@ -23,10 +23,17 @@ class OnBoardingPresenter @Inject constructor(
     private val getAccountsInteractor: GetAccountsInteractor,
     val settingsInteractor: GetSettingsInteractor,
     val factory: RocketChatClientFactory
-) : CheckServerPresenter(strategy, factory, settingsInteractor) {
+) : CheckServerPresenter(
+    strategy = strategy,
+    factory = factory,
+    settingsInteractor = settingsInteractor,
+    refreshSettingsInteractor = refreshSettingsInteractor
+) {
 
     fun toSignInToYourServer() = navigator.toSignInToYourServer()
 
+    fun toCreateANewServer(createServerUrl: String) = navigator.toWebPage(createServerUrl)
+
     fun connectToCommunityServer(communityServerUrl: String) {
         connectToServer(communityServerUrl) {
             if (totalSocialAccountsEnabled == 0 && !isNewAccountCreationEnabled) {
@@ -63,8 +70,6 @@ class OnBoardingPresenter @Inject constructor(
         }
     }
 
-    fun toCreateANewServer(createServerUrl: String) = navigator.toWebPage(createServerUrl)
-
     private fun connectToServer(serverUrl: String, block: () -> Unit) {
         launchUI(strategy) {
             // Check if we already have an account for this server...
@@ -77,9 +82,9 @@ class OnBoardingPresenter @Inject constructor(
             try {
                 withContext(DefaultDispatcher) {
                     setupConnectionInfo(serverUrl)
-                    refreshSettingsInteractor.refresh(serverUrl)
 
                     // preparing next fragment before showing it
+                    refreshServerAccounts()
                     checkEnabledAccounts(serverUrl)
                     checkIfLoginFormIsEnabled()
                     checkIfCreateNewAccountIsEnabled()

app/src/main/java/chat/rocket/android/authentication/server/presentation/ServerPresenter.kt

@@ -25,7 +25,13 @@ class ServerPresenter @Inject constructor(
     private val getAccountsInteractor: GetAccountsInteractor,
     val settingsInteractor: GetSettingsInteractor,
     val factory: RocketChatClientFactory
-) : CheckServerPresenter(strategy, factory, settingsInteractor, view) {
+) : CheckServerPresenter(
+    strategy = strategy,
+    factory = factory,
+    settingsInteractor = settingsInteractor,
+    versionCheckView = view,
+    refreshSettingsInteractor = refreshSettingsInteractor
+) {
 
     fun checkServer(server: String) {
         if (!server.isValidUrl()) {
@@ -93,9 +99,8 @@ class ServerPresenter @Inject constructor(
                 view.showLoading()
                 try {
                     withContext(DefaultDispatcher) {
-                        refreshSettingsInteractor.refresh(serverUrl)
-
                         // preparing next fragment before showing it
+                        refreshServerAccounts()
                         checkEnabledAccounts(serverUrl)
                         checkIfLoginFormIsEnabled()
                         checkIfCreateNewAccountIsEnabled()
@@ -112,5 +117,4 @@ class ServerPresenter @Inject constructor(
             }
         }
     }
-
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/main/presentation/MainPresenter.kt

 package chat.rocket.android.main.presentation
 
 import android.content.Context
-import chat.rocket.android.R
 import chat.rocket.android.core.lifecycle.CancelStrategy
 import chat.rocket.android.db.DatabaseManagerFactory
 import chat.rocket.android.emoji.Emoji
@@ -36,13 +35,9 @@ import chat.rocket.common.model.UserStatus
 import chat.rocket.common.util.ifNull
 import chat.rocket.core.RocketChatClient
 import chat.rocket.core.internal.rest.getCustomEmojis
-import chat.rocket.core.internal.rest.logout
 import chat.rocket.core.internal.rest.me
-import chat.rocket.core.internal.rest.unregisterPushToken
 import chat.rocket.core.model.Myself
-import kotlinx.coroutines.experimental.CommonPool
 import kotlinx.coroutines.experimental.channels.Channel
-import kotlinx.coroutines.experimental.withContext
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -51,23 +46,33 @@ class MainPresenter @Inject constructor(
     private val strategy: CancelStrategy,
     private val navigator: MainNavigator,
     private val tokenRepository: TokenRepository,
-    private val serverInteractor: GetCurrentServerInteractor,
     private val refreshSettingsInteractor: RefreshSettingsInteractor,
     private val refreshPermissionsInteractor: RefreshPermissionsInteractor,
-    private val localRepository: LocalRepository,
     private val navHeaderMapper: NavHeaderUiModelMapper,
     private val saveAccountInteractor: SaveAccountInteractor,
     private val getAccountsInteractor: GetAccountsInteractor,
-    private val removeAccountInteractor: RemoveAccountInteractor,
-    factory: RocketChatClientFactory,
     private val groupedPush: GroupedPush,
+    serverInteractor: GetCurrentServerInteractor,
+    localRepository: LocalRepository,
+    removeAccountInteractor: RemoveAccountInteractor,
+    factory: RocketChatClientFactory,
     dbManagerFactory: DatabaseManagerFactory,
     getSettingsInteractor: GetSettingsInteractor,
     managerFactory: ConnectionManagerFactory
-) : CheckServerPresenter(strategy, factory, view = view) {
+) : CheckServerPresenter(
+    strategy = strategy,
+    factory = factory,
+    serverInteractor = serverInteractor,
+    localRepository = localRepository,
+    removeAccountInteractor = removeAccountInteractor,
+    tokenRepository = tokenRepository,
+    managerFactory = managerFactory,
+    dbManagerFactory = dbManagerFactory,
+    tokenView = view,
+    navigator = navigator
+) {
     private val currentServer = serverInteractor.get()!!
     private val manager = managerFactory.create(currentServer)
-    private val dbManager = dbManagerFactory.create(currentServer)
     private val client: RocketChatClient = factory.create(currentServer)
     private var settings: PublicSettings = getSettingsInteractor.get(serverInteractor.get()!!)
     private val userDataChannel = Channel<Myself>()
@@ -114,9 +119,7 @@ class MainPresenter @Inject constructor(
                 view.setupUserAccountInfo(model)
             } catch (ex: Exception) {
                 when (ex) {
-                    is RocketChatAuthException -> {
-                        logout()
-                    }
+                    is RocketChatAuthException -> logout()
                     else -> {
                         Timber.d(ex, "Error loading my information for navheader")
                         ex.message?.let {
@@ -163,36 +166,9 @@ class MainPresenter @Inject constructor(
         }
     }
 
-    /**
-     * Logout from current server.
-     */
     fun logout() {
-        launchUI(strategy) {
-            view.showProgress()
-            try {
-                clearTokens()
-                retryIO("logout") { client.logout() }
-            } catch (exception: RocketChatException) {
-                Timber.d(exception, "Error calling logout")
-                exception.message?.let {
-                    view.showMessage(it)
-                }.ifNull {
-                    view.showGenericErrorMessage()
-                }
-            }
-
-            try {
-                disconnect()
-                removeAccountInteractor.remove(currentServer)
-                tokenRepository.remove(currentServer)
-
-                withContext(CommonPool) { dbManager.logout() }
-                navigator.switchOrAddNewServer()
-            } catch (ex: Exception) {
-                Timber.d(ex, "Error cleaning up the session...")
-            }
-            view.hideProgress()
-        }
+        setupConnectionInfo(currentServer)
+        super.logout(userDataChannel)
     }
 
     fun connect() {
@@ -202,8 +178,8 @@ class MainPresenter @Inject constructor(
     }
 
     fun disconnect() {
-        manager.removeUserDataChannel(userDataChannel)
-        manager.disconnect()
+        setupConnectionInfo(currentServer)
+        super.disconnect(userDataChannel)
     }
 
     fun changeServer(serverUrl: String) {
@@ -247,20 +223,6 @@ class MainPresenter @Inject constructor(
         saveAccountInteractor.save(account)
     }
 
-    private suspend fun clearTokens() {
-        serverInteractor.clear()
-        val pushToken = localRepository.get(LocalRepository.KEY_PUSH_TOKEN)
-        if (pushToken != null) {
-            try {
-                retryIO("unregisterPushToken") { client.unregisterPushToken(pushToken) }
-                view.invalidateToken(pushToken)
-            } catch (ex: Exception) {
-                Timber.d(ex, "Error unregistering push token")
-            }
-        }
-        localRepository.clearAllFromServer(currentServer)
-    }
-
     private suspend fun subscribeMyselfUpdates() {
         manager.addUserDataChannel(userDataChannel)
         for (myself in userDataChannel) {

app/src/main/java/chat/rocket/android/main/presentation/MainView.kt

@@ -4,9 +4,10 @@ import chat.rocket.android.authentication.server.presentation.VersionCheckView
 import chat.rocket.android.core.behaviours.MessageView
 import chat.rocket.android.main.uimodel.NavHeaderUiModel
 import chat.rocket.android.server.domain.model.Account
+import chat.rocket.android.server.presentation.TokenView
 import chat.rocket.common.model.UserStatus
 
-interface MainView : MessageView, VersionCheckView {
+interface MainView : MessageView, VersionCheckView, TokenView {
 
     /**
      * Shows the current user status.
@@ -31,8 +32,6 @@ interface MainView : MessageView, VersionCheckView {
 
     fun closeServerSelection()
 
-    fun invalidateToken(token: String)
-
     fun showProgress()
 
     fun hideProgress()

app/src/main/java/chat/rocket/android/main/ui/MainActivity.kt

@@ -202,8 +202,7 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector,
             .show()
     }
 
-    override fun invalidateToken(token: String) =
-        invalidateFirebaseToken(token)
+    override fun invalidateToken(token: String) = invalidateFirebaseToken(token)
 
     override fun showMessage(resId: Int) = showToast(resId)
 
@@ -234,11 +233,11 @@ class MainActivity : AppCompatActivity(), MainView, HasActivityInjector,
 
     fun showLogoutDialog() {
         val builder = AlertDialog.Builder(this)
-        builder.setTitle(R.string.action_logout)
-        builder.setMessage(R.string.title_confirmation)
-        builder.setPositiveButton(R.string.action_logout) { _, _ -> presenter.logout()}
-            .setNegativeButton(R.string.action_stay) { dialog, _ -> dialog.cancel() }
-        builder.create().show()
+        builder.setTitle(R.string.title_are_you_sure)
+            .setPositiveButton(R.string.action_logout) { _, _ -> presenter.logout()}
+            .setNegativeButton(android.R.string.no) { dialog, _ -> dialog.cancel() }
+            .create()
+            .show()
     }
 
     fun setAvatar(avatarUrl: String) {

app/src/main/java/chat/rocket/android/profile/presentation/ProfilePresenter.kt

@@ -5,19 +5,31 @@ import android.net.Uri
 import chat.rocket.android.chatroom.domain.UriInteractor
 import chat.rocket.android.core.behaviours.showMessage
 import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.db.DatabaseManagerFactory
 import chat.rocket.android.helper.UserHelper
+import chat.rocket.android.main.presentation.MainNavigator
 import chat.rocket.android.server.domain.GetCurrentServerInteractor
+import chat.rocket.android.server.domain.RemoveAccountInteractor
+import chat.rocket.android.server.domain.TokenRepository
+import chat.rocket.android.server.infraestructure.ConnectionManagerFactory
 import chat.rocket.android.server.infraestructure.RocketChatClientFactory
+import chat.rocket.android.server.presentation.CheckServerPresenter
 import chat.rocket.android.util.extension.compressImageAndGetByteArray
+import chat.rocket.android.util.extension.gethash
 import chat.rocket.android.util.extension.launchUI
+import chat.rocket.android.util.extension.toHex
 import chat.rocket.android.util.extensions.avatarUrl
 import chat.rocket.android.util.retryIO
 import chat.rocket.common.RocketChatException
 import chat.rocket.common.util.ifNull
 import chat.rocket.core.RocketChatClient
+import chat.rocket.core.internal.rest.deleteOwnAccount
 import chat.rocket.core.internal.rest.resetAvatar
 import chat.rocket.core.internal.rest.setAvatar
 import chat.rocket.core.internal.rest.updateProfile
+import kotlinx.coroutines.experimental.DefaultDispatcher
+import kotlinx.coroutines.experimental.withContext
+import java.lang.Exception
 import java.util.*
 import javax.inject.Inject
 
@@ -26,8 +38,23 @@ class ProfilePresenter @Inject constructor(
     private val strategy: CancelStrategy,
     private val uriInteractor: UriInteractor,
     val userHelper: UserHelper,
+    navigator: MainNavigator,
     serverInteractor: GetCurrentServerInteractor,
-    factory: RocketChatClientFactory
+    factory: RocketChatClientFactory,
+    removeAccountInteractor: RemoveAccountInteractor,
+    tokenRepository: TokenRepository,
+    dbManagerFactory: DatabaseManagerFactory,
+    managerFactory: ConnectionManagerFactory
+) : CheckServerPresenter(
+    strategy = strategy,
+    factory = factory,
+    serverInteractor = serverInteractor,
+    removeAccountInteractor = removeAccountInteractor,
+    tokenRepository = tokenRepository,
+    dbManagerFactory = dbManagerFactory,
+    managerFactory = managerFactory,
+    tokenView = view,
+    navigator = navigator
 ) {
     private val serverUrl = serverInteractor.get()!!
     private val client: RocketChatClient = factory.create(serverUrl)
@@ -147,4 +174,27 @@ class ProfilePresenter @Inject constructor(
             }
         }
     }
+
+    fun deleteAccount(password: String) {
+        launchUI(strategy) {
+            view.showLoading()
+            try {
+                withContext(DefaultDispatcher) {
+                    // REMARK: Backend API is only working with a lowercase hash.
+                    // https://github.com/RocketChat/Rocket.Chat/issues/12573
+                    retryIO { client.deleteOwnAccount(password.gethash().toHex().toLowerCase()) }
+                    setupConnectionInfo(serverUrl)
+                    logout(null)
+                }
+            } catch (exception: Exception) {
+                exception.message?.let {
+                    view.showMessage(it)
+                }.ifNull {
+                    view.showGenericErrorMessage()
+                }
+            } finally {
+                view.hideLoading()
+            }
+        }
+    }
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/profile/presentation/ProfileView.kt

@@ -2,8 +2,9 @@ package chat.rocket.android.profile.presentation
 
 import chat.rocket.android.core.behaviours.LoadingView
 import chat.rocket.android.core.behaviours.MessageView
+import chat.rocket.android.server.presentation.TokenView
 
-interface ProfileView : LoadingView, MessageView {
+interface ProfileView : TokenView, LoadingView, MessageView {
 
     /**
      * Shows the user profile.

app/src/main/java/chat/rocket/android/profile/ui/ProfileFragment.kt

@@ -2,6 +2,7 @@ package chat.rocket.android.profile.ui
 
 import DrawableHelper
 import android.app.Activity
+import android.app.AlertDialog
 import android.content.Intent
 import android.graphics.Bitmap
 import android.os.Build
@@ -11,6 +12,8 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
+import android.view.MenuInflater
+import android.widget.EditText
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.core.net.toUri
@@ -29,6 +32,7 @@ import chat.rocket.android.util.extensions.inflate
 import chat.rocket.android.util.extensions.showToast
 import chat.rocket.android.util.extensions.textContent
 import chat.rocket.android.util.extensions.ui
+import chat.rocket.android.util.invalidateFirebaseToken
 import com.facebook.drawee.backends.pipeline.Fresco
 import dagger.android.support.AndroidSupportInjection
 import io.reactivex.disposables.CompositeDisposable
@@ -61,6 +65,7 @@ class ProfileFragment : Fragment(), ProfileView, ActionMode.Callback {
     override fun onCreate(savedInstanceState: Bundle?) {
         AndroidSupportInjection.inject(this)
         super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
     }
 
     override fun onCreateView(
@@ -98,6 +103,25 @@ class ProfileFragment : Fragment(), ProfileView, ActionMode.Callback {
         }
     }
 
+    override fun onPrepareOptionsMenu(menu: Menu) {
+        if (actionMode != null) {
+            menu.clear()
+        }
+        super.onPrepareOptionsMenu(menu)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
+        inflater.inflate(R.menu.profile, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.action_delete_account -> showDeleteAccountDialog()
+        }
+        return true
+    }
+
     override fun showProfile(avatarUrl: String, name: String, username: String, email: String?) {
         ui {
             image_avatar.setImageURI(avatarUrl)
@@ -123,6 +147,8 @@ class ProfileFragment : Fragment(), ProfileView, ActionMode.Callback {
         showMessage(getString(R.string.msg_profile_update_successfully))
     }
 
+    override fun invalidateToken(token: String) = invalidateFirebaseToken(token)
+
     override fun showLoading() {
         enableUserInput(false)
         ui { view_loading.isVisible = true }
@@ -148,7 +174,7 @@ class ProfileFragment : Fragment(), ProfileView, ActionMode.Callback {
     override fun showGenericErrorMessage() = showMessage(getString(R.string.msg_generic_error))
 
     override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
-        mode.menuInflater.inflate(R.menu.profile, menu)
+        mode.menuInflater.inflate(R.menu.action_mode_profile, menu)
         mode.title = getString(R.string.title_update_profile)
         return true
     }
@@ -239,6 +265,7 @@ class ProfileFragment : Fragment(), ProfileView, ActionMode.Callback {
                     text_username.toString() != currentUsername ||
                     text_email.toString() != currentEmail)
         }.subscribe { isValid ->
+            activity?.invalidateOptionsMenu()
             if (isValid) {
                 startActionMode()
             } else {
@@ -264,4 +291,19 @@ class ProfileFragment : Fragment(), ProfileView, ActionMode.Callback {
             text_email.isEnabled = value
         }
     }
+
+    fun showDeleteAccountDialog() {
+        val passwordEditText = EditText(context)
+        passwordEditText.hint = getString(R.string.msg_password)
+
+        val builder = AlertDialog.Builder(context)
+        builder.setTitle(R.string.title_are_you_sure)
+            .setView(passwordEditText)
+            .setPositiveButton(R.string.action_delete_account) { _, _ ->
+                presenter.deleteAccount(passwordEditText.text.toString())
+            }
+            .setNegativeButton(android.R.string.no) { dialog, _ -> dialog.cancel() }
+            .create()
+            .show()
+    }
 }

app/src/main/java/chat/rocket/android/server/presentation/CheckServerPresenter.kt

@@ -3,7 +3,11 @@ package chat.rocket.android.server.presentation
 import chat.rocket.android.BuildConfig
 import chat.rocket.android.authentication.server.presentation.VersionCheckView
 import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.db.DatabaseManager
+import chat.rocket.android.db.DatabaseManagerFactory
 import chat.rocket.android.helper.OauthHelper
+import chat.rocket.android.infrastructure.LocalRepository
+import chat.rocket.android.main.presentation.MainNavigator
 import chat.rocket.android.server.domain.GetSettingsInteractor
 import chat.rocket.android.server.domain.PublicSettings
 import chat.rocket.android.server.domain.casLoginUrl
@@ -18,6 +22,12 @@ import chat.rocket.android.server.domain.isLoginFormEnabled
 import chat.rocket.android.server.domain.isRegistrationEnabledForNewUsers
 import chat.rocket.android.server.domain.isWordpressAuthenticationEnabled
 import chat.rocket.android.server.domain.wordpressUrl
+import chat.rocket.android.server.domain.GetCurrentServerInteractor
+import chat.rocket.android.server.domain.RemoveAccountInteractor
+import chat.rocket.android.server.domain.TokenRepository
+import chat.rocket.android.server.domain.RefreshSettingsInteractor
+import chat.rocket.android.server.infraestructure.ConnectionManager
+import chat.rocket.android.server.infraestructure.ConnectionManagerFactory
 import chat.rocket.android.server.infraestructure.RocketChatClientFactory
 import chat.rocket.android.util.VersionInfo
 import chat.rocket.android.util.extension.launchUI
@@ -30,9 +40,15 @@ import chat.rocket.common.RocketChatException
 import chat.rocket.common.RocketChatInvalidProtocolException
 import chat.rocket.common.model.ServerInfo
 import chat.rocket.core.RocketChatClient
+import chat.rocket.core.internal.rest.logout
 import chat.rocket.core.internal.rest.serverInfo
 import chat.rocket.core.internal.rest.settingsOauth
+import chat.rocket.core.internal.rest.unregisterPushToken
+import chat.rocket.core.model.Myself
+import kotlinx.coroutines.experimental.CommonPool
 import kotlinx.coroutines.experimental.Job
+import kotlinx.coroutines.experimental.channels.Channel
+import kotlinx.coroutines.experimental.withContext
 import timber.log.Timber
 
 private const val SERVICE_NAME_FACEBOOK = "facebook"
@@ -42,16 +58,26 @@ private const val SERVICE_NAME_LINKEDIN = "linkedin"
 private const val SERVICE_NAME_GILAB = "gitlab"
 private const val SERVICE_NAME_WORDPRESS = "wordpress"
 
-
 abstract class CheckServerPresenter constructor(
     private val strategy: CancelStrategy,
     private val factory: RocketChatClientFactory,
     private val settingsInteractor: GetSettingsInteractor? = null,
-    private val view: VersionCheckView? = null
+    private val serverInteractor: GetCurrentServerInteractor? = null,
+    private val localRepository: LocalRepository? = null,
+    private val removeAccountInteractor: RemoveAccountInteractor? = null,
+    private val tokenRepository: TokenRepository? = null,
+    private val managerFactory: ConnectionManagerFactory? = null,
+    private val dbManagerFactory: DatabaseManagerFactory? = null,
+    private val versionCheckView: VersionCheckView? = null,
+    private val tokenView: TokenView? = null,
+    private val navigator: MainNavigator? = null,
+    private val refreshSettingsInteractor: RefreshSettingsInteractor? = null
 ) {
     private lateinit var currentServer: String
     private lateinit var client: RocketChatClient
     private lateinit var settings: PublicSettings
+    private lateinit var manager: ConnectionManager
+    private lateinit var dbManager: DatabaseManager
     internal var state: String = ""
     internal var facebookOauthUrl: String? = null
     internal var githubOauthUrl: String? = null
@@ -78,10 +104,22 @@ abstract class CheckServerPresenter constructor(
     internal var isNewAccountCreationEnabled = false
 
     internal fun setupConnectionInfo(serverUrl: String) {
-        settingsInteractor?.get(serverUrl)?.let {
+        currentServer = serverUrl
+        client = factory.create(serverUrl)
+        managerFactory?.create(serverUrl)?.let {
+            manager = it
+        }
+        dbManagerFactory?.create(serverUrl)?.let {
+            dbManager = it
+        }
+    }
+
+    internal suspend fun refreshServerAccounts() {
+        refreshSettingsInteractor?.refresh(currentServer)
+
+        settingsInteractor?.get(currentServer)?.let {
             settings = it
         }
-        client = factory.create(serverUrl)
 
         state = ""
         facebookOauthUrl = null
@@ -117,28 +155,28 @@ abstract class CheckServerPresenter constructor(
                     client.serverInfo()
                 }
                 if (serverInfo.redirected) {
-                    view?.updateServerUrl(serverInfo.url)
+                    versionCheckView?.updateServerUrl(serverInfo.url)
                 }
                 val version = checkServerVersion(serverInfo)
                 when (version) {
                     is Version.VersionOk -> {
                         Timber.i("Your version is nice! (Requires: 0.62.0, Yours: ${version.version})")
-                        view?.versionOk()
+                        versionCheckView?.versionOk()
                     }
                     is Version.RecommendedVersionWarning -> {
                         Timber.i("Your server ${version.version} is bellow recommended version ${BuildConfig.RECOMMENDED_SERVER_VERSION}")
-                        view?.alertNotRecommendedVersion()
+                        versionCheckView?.alertNotRecommendedVersion()
                     }
                     is Version.OutOfDateError -> {
                         Timber.i("Oops. Looks like your server ${version.version} is out-of-date! Minimum server version required ${BuildConfig.REQUIRED_SERVER_VERSION}!")
-                        view?.blockAndAlertNotRequiredVersion()
+                        versionCheckView?.blockAndAlertNotRequiredVersion()
                     }
                 }
             } catch (ex: Exception) {
                 Timber.d(ex, "Error getting server info")
                 when (ex) {
-                    is RocketChatInvalidProtocolException -> view?.errorInvalidProtocol()
-                    else -> view?.errorCheckingServerVersion()
+                    is RocketChatInvalidProtocolException -> versionCheckView?.errorInvalidProtocol()
+                    else -> versionCheckView?.errorCheckingServerVersion()
                 }
             }
         }
@@ -162,8 +200,59 @@ abstract class CheckServerPresenter constructor(
         }
     }
 
-    private fun checkEnabledOauthAccounts(services: List<Map<String,Any>>, serverUrl: String) {
+    /**
+     * Logout the user from the current server.
+     *
+     * @param userDataChannel the user data channel to stop listening to changes (if currently subscribed).
+     */
+    internal fun logout(userDataChannel: Channel<Myself>?) {
+        launchUI(strategy) {
+            try {
+                clearTokens()
+                retryIO("logout") { client.logout() }
+            } catch (exception: RocketChatException) {
+                Timber.e(exception, "Error calling logout")
+            }
 
+            try {
+                if (userDataChannel != null) {
+                    disconnect(userDataChannel)
+                }
+                removeAccountInteractor?.remove(currentServer)
+                tokenRepository?.remove(currentServer)
+                withContext(CommonPool) { dbManager.logout() }
+                navigator?.switchOrAddNewServer()
+            } catch (ex: Exception) {
+                Timber.e(ex, "Error cleaning up the session...")
+            }
+        }
+    }
+
+    /**
+     * Stops listening to user data changes and disconnects the user.
+     *
+     * @param userDataChannel the user data channel to stop listening to changes.
+     */
+    fun disconnect(userDataChannel: Channel<Myself>) {
+        manager.removeUserDataChannel(userDataChannel)
+        manager.disconnect()
+    }
+
+    private suspend fun clearTokens() {
+        serverInteractor?.clear()
+        val pushToken = localRepository?.get(LocalRepository.KEY_PUSH_TOKEN)
+        if (pushToken != null) {
+            try {
+                retryIO("unregisterPushToken") { client.unregisterPushToken(pushToken) }
+                tokenView?.invalidateToken(pushToken)
+            } catch (ex: Exception) {
+                Timber.e(ex, "Error unregistering push token")
+            }
+        }
+        localRepository?.clearAllFromServer(currentServer)
+    }
+
+    private fun checkEnabledOauthAccounts(services: List<Map<String,Any>>, serverUrl: String) {
         if (settings.isFacebookAuthenticationEnabled()) {
             getServiceMap(services, SERVICE_NAME_FACEBOOK)?.let { serviceMap ->
                 getOauthClientId(serviceMap)?.let { clientId ->
@@ -552,4 +641,4 @@ abstract class CheckServerPresenter constructor(
 
         data class OutOfDateError(private val currentVersion: String) : Version(currentVersion)
     }
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/server/presentation/TokenView.kt

+package chat.rocket.android.server.presentation
+
+interface TokenView {
+
+    fun invalidateToken(token: String)
+}
\ No newline at end of file

app/src/main/res/menu/action_mode_profile.xml

+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/action_update_profile"
+        android:icon="@drawable/ic_check_white_24dp"
+        android:title="@string/action_update" />
+
+</menu>
\ No newline at end of file

app/src/main/res/menu/profile.xml

 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item
-        android:id="@+id/action_update_profile"
-        android:icon="@drawable/ic_check_white_24dp"
-        android:title="@string/action_update" />
+        android:id="@+id/action_delete_account"
+        android:title="@string/action_delete_account"
+        app:showAsAction="never" />
 
 </menu>
\ No newline at end of file

app/src/main/res/values-de/strings.xml

@@ -21,7 +21,7 @@
     <string name="title_update_profile">Update Profil</string>
     <string name="title_about">Über</string>
     <string name="title_create_channel">Erstelle Raum</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string><!-- TODO Add translation -->
+    <string name="title_are_you_sure">Are you sure?</string><!-- TODO Add translation -->
 
     <!-- Actions -->
     <string name="action_connect">Verbinde</string>
@@ -34,7 +34,6 @@
     <string name="action_create_channel">Erstelle Raum</string>
     <string name="action_create">Erstelle</string>
     <string name="action_logout">Abmelden</string>
-    <string name="action_stay">Stay</string> <!-- TODO Add translation -->
     <string name="action_files">Dateien</string>
     <string name="action_confirm_password">Bestätige Passwort Änderung</string>
     <string name="action_join_chat">Trete Chat bei</string>
@@ -53,6 +52,7 @@
     <string name="action_create_server">Create a new server</string> <!-- TODO Add translation -->
     <string name="action_register">Register</string> <!-- TODO Add translation -->
     <string name="action_confirm">Confirm</string> <!-- TODO Add translation -->
+    <string name="action_delete_account">Delete account</string> <!-- TODO Add translation -->
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-es/strings.xml

@@ -20,7 +20,8 @@
     <string name="title_update_profile">Actualización del perfil</string>
     <string name="title_about">Acerca de</string>
     <string name="title_create_channel">Crear canal</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string> <!-- TODO Add translation -->
+    <string name="title_are_you_sure">Are you sure?</string> <!-- TODO Add translation -->
+
     <!-- Actions -->
     <string name="action_connect">Conectar</string>
     <string name="action_use_this_username">Usa este nombre de usuario</string>
@@ -32,7 +33,6 @@
     <string name="action_create_channel">Crear canal</string>
     <string name="action_create">Create</string>
     <string name="action_logout">Cerrar sesión</string>
-    <string name="action_stay">Stay</string> <!-- TODO Add translation -->
     <string name="action_files">Archivos</string>
     <string name="action_confirm_password">Confirmar cambio de contraseña</string>
     <string name="action_join_chat">Unirse al chat</string>
@@ -51,6 +51,7 @@
     <string name="action_create_server">Create a new server</string> <!-- TODO Add translation -->
     <string name="action_register">Register</string> <!-- TODO Add translation -->
     <string name="action_confirm">Confirm</string> <!-- TODO Add translation -->
+    <string name="action_delete_account">Delete account</string> <!-- TODO Add translation -->
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-fr/strings.xml

@@ -21,9 +21,7 @@
     <string name="title_update_profile">Mettre à jour le profil</string>
     <string name="title_about">À propos</string>
     <string name="title_create_channel">Créer salon</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string> <!-- TODO Add translation -->
-
-
+    <string name="title_are_you_sure">Are you sure?</string> <!-- TODO Add translation -->
 
     <!-- Actions -->
     <string name="action_connect">Se connecter</string>
@@ -36,7 +34,6 @@
     <string name="action_create_channel">Créer salon</string>
     <string name="action_create">Créer</string>
     <string name="action_logout">Se déconnecter</string>
-    <string name="action_stay">Stay</string> <!-- TODO Add translation -->
     <string name="action_files">Fichiers</string>
     <string name="action_confirm_password">Confirmer le mot de passe</string>
     <string name="action_join_chat">Rejoignez le chat</string>
@@ -55,6 +52,7 @@
     <string name="action_create_server">Create a new server</string> <!-- TODO Add translation -->
     <string name="action_register">Register</string> <!-- TODO Add translation -->
     <string name="action_confirm">Confirm</string> <!-- TODO Add translation -->
+    <string name="action_delete_account">Delete account</string> <!-- TODO Add translation -->
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-hi-rIN/strings.xml

@@ -21,8 +21,7 @@
     <string name="title_update_profile">प्रोफ़ाइल अपडेट करें</string>
     <string name="title_about">परिचय</string>
     <string name="title_create_channel">चैनल बनाएं</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string> <!-- TODO Add translation -->
-
+    <string name="title_are_you_sure">Are you sure?</string> <!-- TODO Add translation -->
 
     <!-- Actions -->
     <string name="action_connect">जुडिये</string>
@@ -35,7 +34,6 @@
     <string name="action_create_channel">चैनल बनाएं</string>
     <string name="action_create">बनाएं</string>
     <string name="action_logout">लोग आउट करें</string>
-    <string name="action_stay">Stay</string> <!-- TODO Add translation -->
     <string name="action_files">फ़ाइलें</string>
     <string name="action_confirm_password">पासवर्ड परिवर्तन की पुष्टि करें</string>
     <string name="action_join_chat">चैट में शामिल हों</string>
@@ -54,6 +52,7 @@
     <string name="action_create_server">नया सर्वर बनाएं</string>
     <string name="action_register">रजिस्टर</string>
     <string name="action_confirm">पुष्टि करें</string>
+    <string name="action_delete_account">Delete account</string> <!-- TODO Add translation -->
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-pt-rBR/strings.xml

@@ -21,8 +21,7 @@
     <string name="title_update_profile">Editar perfil</string>
     <string name="title_about">Sobre</string>
     <string name="title_create_channel">Criar chat</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string> <!-- TODO Add translation -->
-
+    <string name="title_are_you_sure">Você tem certeza?</string>
 
     <!-- Actions -->
     <string name="action_connect">Conectar</string>
@@ -35,7 +34,6 @@
     <string name="action_create_channel">Criar chat</string>
     <string name="action_create">Criar</string>
     <string name="action_logout">Sair</string>
-    <string name="action_stay">Stay</string> <!-- TODO Add translation -->
     <string name="action_files">Arquivos</string>
     <string name="action_confirm_password">Confirme a nova senha</string>
     <string name="action_join_chat">Entrar no Chat</string>
@@ -49,11 +47,12 @@
     <string name="action_select_photo_from_gallery">Escolher foto da galeria</string>
     <string name="action_take_photo">Tirar foto</string>
     <string name="action_reset_avatar">Resetar avatar</string>
-    <string name="action_connect_server">Connect with a server</string> <!-- TODO Add translation -->
-    <string name="action_join_community">Join in the community</string> <!-- TODO Add translation -->
-    <string name="action_create_server">Create a new server</string> <!-- TODO Add translation -->
-    <string name="action_register">Register</string> <!-- TODO Add translation -->
-    <string name="action_confirm">Confirm</string> <!-- TODO Add translation -->
+    <string name="action_connect_server">Conectar com um servidor</string>
+    <string name="action_join_community">Junte-se à comunidade</string>
+    <string name="action_create_server">Criar um novo servidor</string>
+    <string name="action_register">Registrar</string>
+    <string name="action_confirm">Confirmar</string>
+    <string name="action_delete_account">Deletar conta</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-ru-rRU/strings.xml

@@ -21,8 +21,7 @@
     <string name="title_update_profile">Обновить профиль</string>
     <string name="title_about">О программе</string>
     <string name="title_create_channel">Создать новый канал</string>
-    <string name="title_confirmation">Вы действительно хотите выйти?</string>
-
+    <string name="title_are_you_sure">Are you sure?</string> <!-- TODO Add translation -->
 
     <!-- Actions -->
     <string name="action_connect">Подключиться</string>
@@ -35,7 +34,6 @@
     <string name="action_create_channel">Создать канал</string>
     <string name="action_create">Создать</string>
     <string name="action_logout">Выйти</string>
-    <string name="action_stay">Остаться</string>
     <string name="action_files">Файлы</string>
     <string name="action_confirm_password">Подтверждение изменения пароля</string>
     <string name="action_join_chat">Присоединиться к чату</string>
@@ -54,6 +52,7 @@
     <string name="action_create_server">Создать новый сервер</string>
     <string name="action_register">Зарегистрировать</string>
     <string name="action_confirm">Подтвердить</string>
+    <string name="action_delete_account">Delete account</string> <!-- TODO Add translation -->
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-tr/strings.xml

@@ -21,8 +21,7 @@
     <string name="title_update_profile">Profilinizi Düzenleyin</string>
     <string name="title_about">Hakkında</string>
     <string name="title_create_channel">Yeni Kanal Oluştur</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string> <!-- TODO Add translation -->
-
+    <string name="title_are_you_sure">Are you sure?</string> <!-- TODO Add translation -->
 
     <!-- Actions -->
     <string name="action_connect">Bağlan</string>
@@ -35,7 +34,6 @@
     <string name="action_create_channel">Yeni Kanal Oluştur</string>
     <string name="action_create">Oluştur</string>
     <string name="action_logout">Çıkış Yap</string>
-    <string name="action_stay">Stay</string> <!-- TODO Add translation -->
     <string name="action_files">Dosyalar</string>
     <string name="action_confirm_password">Şifre Değişikliğini Onaylayın</string>
     <string name="action_join_chat">Sohbete Bağlan</string>
@@ -54,6 +52,7 @@
     <string name="action_create_server">Create a new server</string> <!-- TODO Add translation -->
     <string name="action_register">Register</string> <!-- TODO Add translation -->
     <string name="action_confirm">Confirm</string> <!-- TODO Add translation -->
+    <string name="action_delete_account">Delete account</string> <!-- TODO Add translation -->
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values-uk/strings.xml

@@ -21,8 +21,7 @@
     <string name="title_update_profile">Оновити профіль</string>
     <string name="title_about">"Про програму"</string>
     <string name="title_create_channel">Створити новий канал</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string> <!-- TODO Add translation -->
-
+    <string name="title_are_you_sure">Are you sure?</string> <!-- TODO Add translation -->
 
     <!-- Actions -->
     <string name="action_connect">Підключитися</string>
@@ -35,7 +34,6 @@
     <string name="action_create_channel">Створити канал</string>
     <string name="action_create">Створити</string>
     <string name="action_logout">Вийти</string>
-    <string name="action_stay">Stay</string> <!-- TODO Add translation -->
     <string name="action_files">Файли</string>
     <string name="action_confirm_password">Підтвердження зміни пароля</string>
     <string name="action_join_chat">Приєднатися до чату</string>
@@ -54,6 +52,7 @@
     <string name="action_create_server">Create a new server</string> <!-- TODO Add translation -->
     <string name="action_register">Register</string> <!-- TODO Add translation -->
     <string name="action_confirm">Confirm</string> <!-- TODO Add translation -->
+    <string name="action_delete_account">Delete account</string> <!-- TODO Add translation -->
 
     <!-- Settings List -->
     <string-array name="settings_actions">

app/src/main/res/values/strings.xml

@@ -33,7 +33,7 @@ https://github.com/RocketChat/java-code-styles/blob/master/CODING_STYLE.md#strin
     <string name="title_update_profile">Update profile</string>
     <string name="title_about">About</string>
     <string name="title_create_channel">Create Channel</string>
-    <string name="title_confirmation">Are You Sure you want to logout?</string>
+    <string name="title_are_you_sure">Are you sure?</string>
 
     <!-- Actions -->
     <string name="action_connect">Connect</string>
@@ -46,7 +46,6 @@ https://github.com/RocketChat/java-code-styles/blob/master/CODING_STYLE.md#strin
     <string name="action_create_channel">Create channel</string>
     <string name="action_create">Create</string>
     <string name="action_logout">Logout</string>
-    <string name="action_stay">Stay</string>
     <string name="action_files">Files</string>
     <string name="action_confirm_password">Confirm Password Change</string>
     <string name="action_join_chat">Join Chat</string>
@@ -65,6 +64,7 @@ https://github.com/RocketChat/java-code-styles/blob/master/CODING_STYLE.md#strin
     <string name="action_create_server">Create a new server</string>
     <string name="action_register">Register</string>
     <string name="action_confirm">Confirm</string>
+    <string name="action_delete_account">Delete account</string>
 
     <!-- Settings List -->
     <string-array name="settings_actions">

util/src/main/java/chat/rocket/android/util/extension/Text.kt

+package chat.rocket.android.util.extension
+
+import java.math.BigInteger
+import java.security.MessageDigest
+import java.security.NoSuchAlgorithmException
+
+@Throws(NoSuchAlgorithmException::class)
+fun String.gethash(): ByteArray {
+    val digest = MessageDigest.getInstance("SHA-256")
+    digest.reset()
+    return digest.digest(this.toByteArray())
+}
+
+fun ByteArray.toHex(): String = String.format("%0" + this.size * 2 + "X", BigInteger(1, this))