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+/*
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+ * ownCloud Android client application
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+ *
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+ * @author masensio
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+ * Copyright (C) 2016 ownCloud Inc.
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2,
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+ * as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ *
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+ */
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+package com.owncloud.android.ui.activity
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+
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+import android.os.AsyncTask
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+import android.os.Bundle
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+import android.view.MenuItem
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+import android.widget.Button
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+import android.widget.TextView
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+import androidx.appcompat.app.AppCompatActivity
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+import com.google.android.material.snackbar.Snackbar
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+import com.nextcloud.client.account.UserAccountManager
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+import com.nextcloud.client.di.Injectable
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+import com.nextcloud.client.preferences.AppPreferences
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+import com.owncloud.android.R
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+import com.owncloud.android.lib.common.utils.Log_OC
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+import java.io.File
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+import javax.inject.Inject
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+import kotlin.system.exitProcess
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+
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+class ManageSpaceActivity : AppCompatActivity(), Injectable {
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+
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+ @Inject
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+ lateinit var preferences: AppPreferences
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+
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+ @Inject
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+ lateinit var userAccountManager: UserAccountManager
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+
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+ override fun onCreate(savedInstanceState: Bundle?) {
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+ super.onCreate(savedInstanceState)
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+ setContentView(R.layout.activity_manage_space)
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+ val actionBar = supportActionBar
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+ if (actionBar != null) {
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+ actionBar.setDisplayHomeAsUpEnabled(true)
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+ actionBar.setTitle(R.string.manage_space_title)
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+ }
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+ val descriptionTextView = findViewById<TextView>(R.id.general_description)
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+ descriptionTextView.text = getString(R.string.manage_space_description, getString(R.string.app_name))
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+ val clearDataButton = findViewById<Button>(R.id.clearDataButton)
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+ clearDataButton.setOnClickListener {
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+ val clearDataTask = ClearDataAsyncTask()
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+ clearDataTask.execute()
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+ }
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+ }
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+
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+ override fun onOptionsItemSelected(item: MenuItem): Boolean {
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+ var retval = true
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+ when (item.itemId) {
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+ android.R.id.home -> finish()
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+ else -> {
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+ Log_OC.w(TAG, "Unknown menu item triggered")
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+ retval = super.onOptionsItemSelected(item)
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+ }
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+ }
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+ return retval
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+ }
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+
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+ /**
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+ * AsyncTask for Clear Data, saving the passcode
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+ */
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+ private inner class ClearDataAsyncTask : AsyncTask<Void, Void, Boolean>() {
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+ private val preferences = this@ManageSpaceActivity.preferences
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+ private val userAccountManager = this@ManageSpaceActivity.userAccountManager
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+
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+ @Suppress("MagicNumber")
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+ override fun doInBackground(vararg params: Void): Boolean {
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+ val lockPref = preferences.lockPreference
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+ val passCodeEnable = SettingsActivity.LOCK_PASSCODE == lockPref
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+ var passCodeDigits = arrayOfNulls<String>(4)
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+ if (passCodeEnable) {
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+ passCodeDigits = preferences.passCode
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+ }
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+
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+ // Clear data
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+ preferences.clear()
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+ val result = clearApplicationData()
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+
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+ // Recover passcode
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+ if (passCodeEnable) {
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+ preferences.setPassCode(
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+ passCodeDigits[0],
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+ passCodeDigits[1],
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+ passCodeDigits[2],
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+ passCodeDigits[3]
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+ )
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+ }
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+ preferences.lockPreference = lockPref
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+ userAccountManager.removeAllAccounts()
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+ return result
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+ }
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+
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+ override fun onPostExecute(result: Boolean) {
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+ super.onPostExecute(result)
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+ if (!result) {
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+ Snackbar.make(
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+ findViewById(android.R.id.content),
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+ R.string.manage_space_clear_data,
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+ Snackbar.LENGTH_LONG
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+ ).show()
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+ } else {
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+ finishAndRemoveTask()
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+ exitProcess(0)
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+ }
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+ }
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+
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+ fun clearApplicationData(): Boolean {
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+ var clearResult = true
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+ val appDir = File(cacheDir.parent!!)
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+ if (appDir.exists()) {
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+ val children = appDir.list()
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+ if (children != null) {
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+ children.filter { it != LIB_FOLDER }.forEach { s ->
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+ val fileToDelete = File(appDir, s)
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+ clearResult = clearResult && deleteDir(fileToDelete)
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+ Log_OC.d(TAG, "Clear Application Data, File: " + fileToDelete.name + " DELETED *****")
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+ }
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+ } else {
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+ clearResult = false
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+ }
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+ }
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+ return clearResult
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+ }
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+
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+ @Suppress("ReturnCount")
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+ fun deleteDir(dir: File?): Boolean {
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+ if (dir != null && dir.isDirectory) {
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+ dir.list()?.forEach { child ->
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+ val success = deleteDir(File(dir, child))
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+ if (!success) {
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+ Log_OC.w(TAG, "File NOT deleted $child")
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+ return false
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+ } else {
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+ Log_OC.d(TAG, "File deleted $child")
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+ }
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+ } ?: return false
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+ }
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+ return dir?.delete() ?: false
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+ }
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+ }
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+
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+ companion object {
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+ private val TAG = ManageSpaceActivity::class.java.simpleName
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+ private const val LIB_FOLDER = "lib"
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+ }
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+}
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Álvaro Brey