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/*
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* Copyright © 2013 – 2016 Ricki Hirner (bitfire web engineering).
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the GNU Public License v3.0
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* which accompanies this distribution, and is available at
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* http://www.gnu.org/licenses/gpl.html
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*/
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package com.etesync.syncadapter.ui.setup
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import android.accounts.Account
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import android.accounts.AccountManager
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import android.app.Activity
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import android.app.Dialog
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import android.app.ProgressDialog
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import android.content.Context
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import android.os.AsyncTask
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import android.os.Bundle
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import android.provider.CalendarContract
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import androidx.appcompat.app.AlertDialog
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import androidx.fragment.app.DialogFragment
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import at.bitfire.ical4android.TaskProvider.Companion.TASK_PROVIDERS
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import com.etesync.journalmanager.Crypto
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import com.etesync.journalmanager.Exceptions
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import com.etesync.syncadapter.*
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import com.etesync.syncadapter.log.Logger
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import com.etesync.syncadapter.model.CollectionInfo
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import com.etesync.syncadapter.model.JournalEntity
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import com.etesync.syncadapter.model.ServiceEntity
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import com.etesync.syncadapter.ui.setup.BaseConfigurationFinder.Configuration
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import com.etesync.syncadapter.utils.AndroidCompat
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import com.etesync.syncadapter.utils.TaskProviderHandling
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import java.util.logging.Level
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class SetupEncryptionFragment : DialogFragment() {
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override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
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val progress = ProgressDialog(activity)
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progress.setTitle(R.string.setting_up_encryption)
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progress.setMessage(getString(R.string.setting_up_encryption_content))
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progress.isIndeterminate = true
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progress.setCanceledOnTouchOutside(false)
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isCancelable = false
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return progress
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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SetupEncryptionLoader(context!!, arguments!!.getSerializable(KEY_CONFIG) as Configuration).execute()
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}
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private inner class SetupEncryptionLoader(internal val context: Context, internal val config: Configuration) : AsyncTask<Void, Void, Configuration>() {
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override fun onPostExecute(result: Configuration) {
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if (config.error != null && config.error is Exceptions.IntegrityException) {
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Logger.log.severe("Wrong encryption password.")
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AlertDialog.Builder(activity!!)
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.setTitle(R.string.wrong_encryption_password)
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.setIcon(R.drawable.ic_error_dark)
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.setMessage(getString(R.string.wrong_encryption_password_content, config.error!!.localizedMessage))
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.setPositiveButton(android.R.string.ok) { _, _ ->
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// dismiss
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}.show()
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} else {
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try {
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if (createAccount(config.userName, config)) {
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activity!!.setResult(Activity.RESULT_OK)
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activity!!.finish()
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}
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} catch (e: InvalidAccountException) {
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Logger.log.severe("Account creation failed!")
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AlertDialog.Builder(activity!!)
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.setTitle(R.string.account_creation_failed)
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.setIcon(R.drawable.ic_error_dark)
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.setMessage(e.localizedMessage)
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.setPositiveButton(android.R.string.ok) { _, _ ->
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// dismiss
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}.show()
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}
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}
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dismissAllowingStateLoss()
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}
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override fun doInBackground(vararg aVoids: Void): Configuration {
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Logger.log.info("Started deriving key")
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config.password = Crypto.deriveKey(config.userName, config.rawPassword!!)
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Logger.log.info("Finished deriving key")
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config.error = null
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try {
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val cryptoManager: Crypto.CryptoManager
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val userInfo = config.userInfo
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if (userInfo != null) {
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Logger.log.info("Fetched userInfo for " + config.userName)
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cryptoManager = Crypto.CryptoManager(userInfo.version!!.toInt(), config.password!!, "userInfo")
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userInfo.verify(cryptoManager)
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config.keyPair = Crypto.AsymmetricKeyPair(userInfo.getContent(cryptoManager)!!, userInfo.pubkey!!)
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}
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} catch (e: Exception) {
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e.printStackTrace()
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config.error = e
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}
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return config
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}
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}
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@Throws(InvalidAccountException::class)
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protected fun createAccount(accountName: String, config: BaseConfigurationFinder.Configuration): Boolean {
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val account = Account(accountName, App.accountType)
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// create Android account
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Logger.log.log(Level.INFO, "Creating Android account with initial config", arrayOf(account, config.userName, config.url))
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val accountManager = AccountManager.get(context)
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if (!accountManager.addAccountExplicitly(account, config.password, null))
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return false
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AccountSettings.setUserData(accountManager, account, config.url, config.userName)
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// add entries for account to service DB
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Logger.log.log(Level.INFO, "Writing account configuration to database", config)
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try {
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val settings = AccountSettings(context!!, account)
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settings.authToken = config.authtoken!!
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if (config.keyPair != null) {
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settings.keyPair = config.keyPair!!
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}
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// insert CardDAV service
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insertService(accountName, CollectionInfo.Type.ADDRESS_BOOK)
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// contact sync is automatically enabled by isAlwaysSyncable="true" in res/xml/sync_contacts.xml
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settings.setSyncInterval(App.addressBooksAuthority, Constants.DEFAULT_SYNC_INTERVAL.toLong())
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// insert CalDAV service
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insertService(accountName, CollectionInfo.Type.CALENDAR)
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// calendar sync is automatically enabled by isAlwaysSyncable="true" in res/xml/sync_contacts.xml
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settings.setSyncInterval(CalendarContract.AUTHORITY, Constants.DEFAULT_SYNC_INTERVAL.toLong())
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TASK_PROVIDERS.forEach {
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// enable task sync if OpenTasks is installed
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// further changes will be handled by PackageChangedReceiver
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TaskProviderHandling.updateTaskSync(context!!, it)
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}
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} catch (e: InvalidAccountException) {
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Logger.log.log(Level.SEVERE, "Couldn't access account settings", e)
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AndroidCompat.removeAccount(accountManager, account)
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throw e
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}
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return true
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}
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protected fun insertService(accountName: String, serviceType: CollectionInfo.Type) {
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val info = Configuration.ServiceInfo()
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val data = (requireContext().applicationContext as App).data
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// insert service
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val serviceEntity = ServiceEntity.fetchOrCreate(data, accountName, serviceType)
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// insert collections
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for (collection in info.collections.values) {
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collection.serviceID = serviceEntity.id
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val journalEntity = JournalEntity(data, collection)
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data.insert(journalEntity)
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}
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}
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companion object {
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private val KEY_CONFIG = "config"
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fun newInstance(config: BaseConfigurationFinder.Configuration): SetupEncryptionFragment {
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val frag = SetupEncryptionFragment()
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val args = Bundle(1)
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args.putSerializable(KEY_CONFIG, config)
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frag.arguments = args
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return frag
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}
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}
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}
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