DroidFS/app/src/main/java/sushi/hardcore/droidfs/OpenActivity.kt

198 lines
8.5 KiB
Kotlin

package sushi.hardcore.droidfs
import android.app.Activity
import android.content.Intent
import android.os.Build
import android.os.Bundle
import android.view.View
import android.widget.AdapterView.OnItemClickListener
import android.widget.TextView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_open.checkbox_remember_path
import kotlinx.android.synthetic.main.activity_open.checkbox_save_password
import kotlinx.android.synthetic.main.activity_open.edit_password
import kotlinx.android.synthetic.main.activity_open.edit_volume_path
import kotlinx.android.synthetic.main.activity_open.saved_path_listview
import kotlinx.android.synthetic.main.toolbar.*
import sushi.hardcore.droidfs.adapters.SavedVolumesAdapter
import sushi.hardcore.droidfs.explorers.ExplorerActivity
import sushi.hardcore.droidfs.explorers.ExplorerActivityDrop
import sushi.hardcore.droidfs.explorers.ExplorerActivityPick
import sushi.hardcore.droidfs.fingerprint_stuff.FingerprintPasswordHashSaver
import sushi.hardcore.droidfs.util.*
import sushi.hardcore.droidfs.widgets.ColoredAlertDialogBuilder
import java.io.File
import java.util.*
class OpenActivity : BaseActivity() {
companion object {
private const val PICK_DIRECTORY_REQUEST_CODE = 1
}
private lateinit var savedVolumesAdapter: SavedVolumesAdapter
private lateinit var fingerprintPasswordHashSaver: FingerprintPasswordHashSaver
private lateinit var rootCipherDir: String
private var sessionID = -1
private var usf_fingerprint = false
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_open)
setSupportActionBar(toolbar)
usf_fingerprint = sharedPrefs.getBoolean("usf_fingerprint", false)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && usf_fingerprint) {
fingerprintPasswordHashSaver = FingerprintPasswordHashSaver(this, sharedPrefs)
} else {
WidgetUtil.hide(checkbox_save_password)
}
savedVolumesAdapter = SavedVolumesAdapter(this, sharedPrefs)
if (savedVolumesAdapter.count > 0){
saved_path_listview.adapter = savedVolumesAdapter
saved_path_listview.onItemClickListener = OnItemClickListener { _, _, position, _ ->
rootCipherDir = savedVolumesAdapter.getItem(position)
edit_volume_path.setText(rootCipherDir)
val cipherText = sharedPrefs.getString(rootCipherDir, null)
if (cipherText != null){ //password hash saved
fingerprintPasswordHashSaver.decrypt(cipherText, rootCipherDir, ::openUsingPasswordHash)
}
}
} else {
WidgetUtil.hide(saved_path_listview)
}
edit_password.setOnEditorActionListener { v, _, _ ->
onClickOpen(v)
true
}
}
fun pickDirectory(view: View?) {
val i = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
startActivityForResult(i, PICK_DIRECTORY_REQUEST_CODE)
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (resultCode == Activity.RESULT_OK) {
if (requestCode == PICK_DIRECTORY_REQUEST_CODE) {
if (data != null) {
val path = PathUtils.getFullPathFromTreeUri(data.data, this)
edit_volume_path.setText(path)
}
}
}
}
fun onClickOpen(view: View?) {
object : LoadingTask(this, R.string.loading_msg_open){
override fun doTask(activity: AppCompatActivity) {
rootCipherDir = edit_volume_path.text.toString() //fresh get in case of manual rewrite
if (rootCipherDir.isEmpty()) {
stopTaskWithToast(R.string.enter_volume_path)
} else {
val password = edit_password.text.toString().toCharArray()
var returnedHash: ByteArray? = null
if (usf_fingerprint && checkbox_save_password.isChecked){
returnedHash = ByteArray(GocryptfsVolume.KeyLen)
}
sessionID = GocryptfsVolume.init(rootCipherDir, password, null, returnedHash)
if (sessionID != -1) {
var startExplorerImmediately = true
if (checkbox_remember_path.isChecked) {
savedVolumesAdapter.addVolumePath(rootCipherDir)
if (checkbox_save_password.isChecked && returnedHash != null){
fingerprintPasswordHashSaver.encryptAndSave(returnedHash, rootCipherDir) { _ ->
stopTask { startExplorer() }
}
startExplorerImmediately = false
}
}
if (startExplorerImmediately){
stopTask { startExplorer() }
}
} else {
stopTask {
ColoredAlertDialogBuilder(activity)
.setTitle(R.string.open_volume_failed)
.setMessage(R.string.open_volume_failed_msg)
.setPositiveButton(R.string.ok, null)
.show()
}
}
Arrays.fill(password, 0.toChar())
}
}
}
}
private fun openUsingPasswordHash(passwordHash: ByteArray){
object : LoadingTask(this, R.string.loading_msg_open){
override fun doTask(activity: AppCompatActivity) {
sessionID = GocryptfsVolume.init(rootCipherDir, null, passwordHash, null)
if (sessionID != -1){
stopTask { startExplorer() }
} else {
stopTask {
ColoredAlertDialogBuilder(activity)
.setTitle(R.string.open_volume_failed)
.setMessage(R.string.open_failed_hash_msg)
.setPositiveButton(R.string.ok, null)
.show()
}
}
Arrays.fill(passwordHash, 0)
}
}
}
private fun startExplorer() {
var explorerIntent: Intent? = null
val currentIntentAction = intent.action
if (currentIntentAction != null) {
if ((currentIntentAction == Intent.ACTION_SEND || currentIntentAction == Intent.ACTION_SEND_MULTIPLE) && intent.extras != null) { //import via android share menu
explorerIntent = Intent(this, ExplorerActivityDrop::class.java)
explorerIntent.action = currentIntentAction //forward action
explorerIntent.putExtras(intent.extras!!) //forward extras
} else if (currentIntentAction == "pick") { //pick items to import
explorerIntent = Intent(this, ExplorerActivityPick::class.java)
explorerIntent.flags = Intent.FLAG_ACTIVITY_FORWARD_RESULT
}
}
if (explorerIntent == null) {
explorerIntent = Intent(this, ExplorerActivity::class.java) //default opening
}
explorerIntent.putExtra("sessionID", sessionID)
explorerIntent.putExtra("volume_name", File(rootCipherDir).name)
startActivity(explorerIntent)
finish()
}
fun onClickSavePasswordHash(view: View) {
if (checkbox_save_password.isChecked){
if (!fingerprintPasswordHashSaver.canAuthenticate()){
checkbox_save_password.isChecked = false
} else {
checkbox_remember_path.isChecked = true
}
}
}
fun onClickRememberPath(view: View) {
if (!checkbox_remember_path.isChecked){
checkbox_save_password.isChecked = false
}
}
override fun onPause() {
super.onPause()
if (::fingerprintPasswordHashSaver.isInitialized && fingerprintPasswordHashSaver.isListening){
fingerprintPasswordHashSaver.stopListening()
if (fingerprintPasswordHashSaver.fingerprintFragment.isAdded){
fingerprintPasswordHashSaver.fingerprintFragment.dismiss()
}
}
}
override fun onDestroy() {
super.onDestroy()
Wiper.wipeEditText(edit_password)
}
}