290 lines
12 KiB
Kotlin
290 lines
12 KiB
Kotlin
package sushi.hardcore.droidfs
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import android.app.Activity
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import android.content.Intent
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import android.os.Build
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import android.os.Bundle
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import android.text.Editable
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import android.text.TextWatcher
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import android.view.MenuItem
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import android.view.View
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import android.widget.AdapterView.OnItemClickListener
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import android.widget.Toast
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import androidx.appcompat.app.AppCompatActivity
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import kotlinx.android.synthetic.main.activity_open.*
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import kotlinx.android.synthetic.main.activity_open.saved_path_listview
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import kotlinx.android.synthetic.main.checkboxes_section.*
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import kotlinx.android.synthetic.main.toolbar.*
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import kotlinx.android.synthetic.main.volume_path_section.*
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import sushi.hardcore.droidfs.adapters.SavedVolumesAdapter
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import sushi.hardcore.droidfs.explorers.ExplorerActivity
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import sushi.hardcore.droidfs.explorers.ExplorerActivityDrop
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import sushi.hardcore.droidfs.explorers.ExplorerActivityPick
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import sushi.hardcore.droidfs.fingerprint_stuff.FingerprintPasswordHashSaver
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import sushi.hardcore.droidfs.provider.RestrictedFileProvider
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import sushi.hardcore.droidfs.util.*
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import sushi.hardcore.droidfs.widgets.ColoredAlertDialogBuilder
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import java.io.File
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import java.util.*
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class OpenActivity : BaseActivity() {
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companion object {
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private const val PICK_DIRECTORY_REQUEST_CODE = 1
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}
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private lateinit var savedVolumesAdapter: SavedVolumesAdapter
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private lateinit var fingerprintPasswordHashSaver: FingerprintPasswordHashSaver
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private lateinit var rootCipherDir: String
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private var sessionID = -1
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private var isStartingActivity = false
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private var isFinishingIntentionally = false
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private var usf_fingerprint = false
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_open)
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setSupportActionBar(toolbar)
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supportActionBar?.setDisplayHomeAsUpEnabled(true)
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usf_fingerprint = sharedPrefs.getBoolean("usf_fingerprint", false)
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && usf_fingerprint) {
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fingerprintPasswordHashSaver = FingerprintPasswordHashSaver(this, sharedPrefs)
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} else {
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WidgetUtil.hide(checkbox_save_password)
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}
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savedVolumesAdapter = SavedVolumesAdapter(this, sharedPrefs)
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if (savedVolumesAdapter.count > 0){
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saved_path_listview.adapter = savedVolumesAdapter
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saved_path_listview.onItemClickListener = OnItemClickListener { _, _, position, _ ->
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rootCipherDir = savedVolumesAdapter.getItem(position)
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edit_volume_path.setText(rootCipherDir)
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val cipherText = sharedPrefs.getString(rootCipherDir, null)
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if (cipherText != null){ //password hash saved
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fingerprintPasswordHashSaver.decrypt(cipherText, rootCipherDir, ::openUsingPasswordHash)
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}
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}
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} else {
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WidgetUtil.hide(saved_path_listview)
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}
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edit_volume_path.addTextChangedListener(object: TextWatcher {
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override fun afterTextChanged(s: Editable?) {
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}
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override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
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}
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override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
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if (savedVolumesAdapter.isPathSaved(s.toString())){
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checkbox_remember_path.isEnabled = false
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checkbox_remember_path.isChecked = false
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if (sharedPrefs.getString(s.toString(), null) != null){
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checkbox_save_password.isEnabled = false
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checkbox_save_password.isChecked = false
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} else {
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checkbox_save_password.isEnabled = true
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}
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} else {
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checkbox_remember_path.isEnabled = true
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checkbox_save_password.isEnabled = true
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}
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}
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})
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edit_password.setOnEditorActionListener { v, _, _ ->
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onClickOpen(v)
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true
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}
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}
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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return when(item.itemId){
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android.R.id.home -> {
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isFinishingIntentionally = true
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finish()
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true
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}
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else -> super.onOptionsItemSelected(item)
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}
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}
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fun pickDirectory(view: View?) {
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val i = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
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isStartingActivity = true
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startActivityForResult(i, PICK_DIRECTORY_REQUEST_CODE)
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}
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override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
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super.onActivityResult(requestCode, resultCode, data)
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if (resultCode == Activity.RESULT_OK) {
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if (requestCode == PICK_DIRECTORY_REQUEST_CODE) {
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if (data?.data != null) {
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if (PathUtils.isTreeUriOnPrimaryStorage(data.data)){
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val path = PathUtils.getFullPathFromTreeUri(data.data, this)
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if (path != null){
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edit_volume_path.setText(path)
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} else {
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ColoredAlertDialogBuilder(this)
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.setTitle(R.string.error)
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.setMessage(R.string.path_from_uri_null_error_msg)
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.setPositiveButton(R.string.ok, null)
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.show()
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}
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} else {
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ColoredAlertDialogBuilder(this)
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.setTitle(R.string.warning)
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.setMessage(R.string.open_on_sdcard_warning)
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.setPositiveButton(R.string.ok, null)
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.show()
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}
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}
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}
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}
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}
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fun onClickOpen(view: View?) {
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rootCipherDir = edit_volume_path.text.toString()
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if (rootCipherDir.isEmpty()) {
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Toast.makeText(this, R.string.enter_volume_path, Toast.LENGTH_SHORT).show()
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} else {
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val rootCipherDirFile = File(rootCipherDir)
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if (!GocryptfsVolume.isGocryptfsVolume(rootCipherDirFile)){
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ColoredAlertDialogBuilder(this)
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.setTitle(R.string.error)
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.setMessage(R.string.error_not_a_volume)
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.setPositiveButton(R.string.ok, null)
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.show()
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} else if (!rootCipherDirFile.canWrite()) {
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ColoredAlertDialogBuilder(this)
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.setTitle(R.string.warning)
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.setMessage(R.string.open_cant_write_warning)
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.setCancelable(false)
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.setPositiveButton(R.string.ok) { _, _ -> openVolume() }
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.show()
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} else {
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openVolume()
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}
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}
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}
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private fun openVolume(){
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object : LoadingTask(this, R.string.loading_msg_open){
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override fun doTask(activity: AppCompatActivity) {
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val password = edit_password.text.toString().toCharArray()
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var returnedHash: ByteArray? = null
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if (usf_fingerprint && checkbox_save_password.isChecked){
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returnedHash = ByteArray(GocryptfsVolume.KeyLen)
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}
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sessionID = GocryptfsVolume.init(rootCipherDir, password, null, returnedHash)
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if (sessionID != -1) {
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if (checkbox_remember_path.isChecked) {
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savedVolumesAdapter.addVolumePath(rootCipherDir)
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}
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if (checkbox_save_password.isChecked && returnedHash != null){
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fingerprintPasswordHashSaver.encryptAndSave(returnedHash, rootCipherDir) { _ ->
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stopTask { startExplorer() }
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}
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} else {
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stopTask { startExplorer() }
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}
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} else {
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stopTask {
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ColoredAlertDialogBuilder(activity)
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.setTitle(R.string.open_volume_failed)
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.setMessage(R.string.open_volume_failed_msg)
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.setPositiveButton(R.string.ok, null)
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.show()
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}
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}
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Arrays.fill(password, 0.toChar())
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}
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}
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}
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private fun openUsingPasswordHash(passwordHash: ByteArray){
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object : LoadingTask(this, R.string.loading_msg_open){
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override fun doTask(activity: AppCompatActivity) {
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sessionID = GocryptfsVolume.init(rootCipherDir, null, passwordHash, null)
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if (sessionID != -1){
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stopTask { startExplorer() }
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} else {
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stopTask {
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ColoredAlertDialogBuilder(activity)
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.setTitle(R.string.open_volume_failed)
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.setMessage(R.string.open_failed_hash_msg)
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.setPositiveButton(R.string.ok, null)
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.show()
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}
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}
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Arrays.fill(passwordHash, 0)
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}
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}
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}
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private fun startExplorer() {
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var explorerIntent: Intent? = null
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val currentIntentAction = intent.action
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if (currentIntentAction != null) {
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if ((currentIntentAction == Intent.ACTION_SEND || currentIntentAction == Intent.ACTION_SEND_MULTIPLE) && intent.extras != null) { //import via android share menu
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explorerIntent = Intent(this, ExplorerActivityDrop::class.java)
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explorerIntent.action = currentIntentAction //forward action
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explorerIntent.putExtras(intent.extras!!) //forward extras
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} else if (currentIntentAction == "pick") { //pick items to import
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explorerIntent = Intent(this, ExplorerActivityPick::class.java)
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explorerIntent.putExtra("originalSessionID", intent.getIntExtra("sessionID", -1))
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explorerIntent.flags = Intent.FLAG_ACTIVITY_FORWARD_RESULT
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}
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}
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if (explorerIntent == null) {
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explorerIntent = Intent(this, ExplorerActivity::class.java) //default opening
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}
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explorerIntent.putExtra("sessionID", sessionID)
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explorerIntent.putExtra("volume_name", File(rootCipherDir).name)
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startActivity(explorerIntent)
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isFinishingIntentionally = true
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finish()
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}
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fun onClickSavePasswordHash(view: View) {
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if (checkbox_save_password.isChecked){
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if (!fingerprintPasswordHashSaver.canAuthenticate()){
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checkbox_save_password.isChecked = false
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} else {
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checkbox_remember_path.isChecked = checkbox_remember_path.isEnabled
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}
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}
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}
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fun onClickRememberPath(view: View) {
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if (!checkbox_remember_path.isChecked){
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checkbox_save_password.isChecked = false
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}
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}
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override fun onBackPressed() {
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super.onBackPressed()
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isFinishingIntentionally = true
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}
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override fun onPause() {
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super.onPause()
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if (intent.action == "pick"){
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if (isStartingActivity){
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isStartingActivity = false
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} else {
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finish()
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}
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}
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if (::fingerprintPasswordHashSaver.isInitialized && fingerprintPasswordHashSaver.isListening){
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fingerprintPasswordHashSaver.stopListening()
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if (fingerprintPasswordHashSaver.fingerprintFragment.isAdded){
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fingerprintPasswordHashSaver.fingerprintFragment.dismiss()
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}
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}
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}
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override fun onDestroy() {
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super.onDestroy()
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Wiper.wipeEditText(edit_password)
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if (intent.action == "pick" && !isFinishingIntentionally){
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val sessionID = intent.getIntExtra("sessionID", -1)
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if (sessionID != -1){
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GocryptfsVolume(sessionID).close()
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RestrictedFileProvider.wipeAll(this)
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}
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}
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}
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} |