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/*
* Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
* Copyright (C) 2017-2018 Pacien TRAN-GIRARD
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.pacien.tincapp.activities
import android.content.Intent
import android.os.Bundle
import android.support.annotation.StringRes
import android.support.v7.app.AlertDialog
import android.view.View
import com.google.zxing.integration.android.IntentIntegrator
import com.google.zxing.integration.android.IntentResult
import java8.util.concurrent.CompletableFuture
import kotlinx.android.synthetic.main.base.*
import kotlinx.android.synthetic.main.dialog_encrypt_decrypt_keys.view.*
import kotlinx.android.synthetic.main.dialog_network_generate.view.*
import kotlinx.android.synthetic.main.dialog_network_join.view.*
import kotlinx.android.synthetic.main.page_configure.*
import org.pacien.tincapp.R
import org.pacien.tincapp.commands.Tinc
import org.pacien.tincapp.commands.TincApp
import org.pacien.tincapp.context.AppPaths
import org.pacien.tincapp.extensions.Java.exceptionallyAccept
import java.util.regex.Pattern
/**
* @author pacien
*/
class ConfigureActivity : BaseActivity() {
companion object {
private val NETWORK_NAME_PATTERN = Pattern.compile("^[^\\x00/]*$")
}
private var joinDialog: View? = null
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
IntentIntegrator.parseActivityResult(requestCode, resultCode, data)
?.let(IntentResult::getContents)
?.let(String::trim)
?.let { joinDialog?.invitation_url?.setText(it) }
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
supportActionBar!!.setDisplayHomeAsUpEnabled(true)
layoutInflater.inflate(R.layout.page_configure, main_content)
writeContent()
}
fun scanCode(@Suppress("UNUSED_PARAMETER") v: View) {
IntentIntegrator(this).initiateScan()
}
fun openGenerateConfDialog(@Suppress("UNUSED_PARAMETER") v: View) {
val genDialog = layoutInflater.inflate(R.layout.dialog_network_generate, main_content, false)
AlertDialog.Builder(this).setTitle(R.string.title_new_network).setView(genDialog)
.setPositiveButton(R.string.action_create) { _, _ ->
generateConf(
genDialog.new_net_name.text.toString(),
genDialog.new_node_name.text.toString(),
genDialog.new_passphrase.text.toString())
}.setNegativeButton(R.string.action_cancel) { _, _ -> Unit }.show()
}
fun openJoinNetworkDialog(@Suppress("UNUSED_PARAMETER") v: View) {
joinDialog = layoutInflater.inflate(R.layout.dialog_network_join, main_content, false)
AlertDialog.Builder(this).setTitle(R.string.title_join_network).setView(joinDialog)
.setPositiveButton(R.string.action_join) { _, _ ->
joinNetwork(
joinDialog!!.net_name.text.toString(),
joinDialog!!.invitation_url.text.toString(),
joinDialog!!.join_passphrase.text.toString())
}.setNegativeButton(R.string.action_cancel) { _, _ -> Unit }.show()
}
fun openEncryptDecryptPrivateKeyDialog(@Suppress("UNUSED_PARAMETER") v: View) {
val encryptDecryptDialog = layoutInflater.inflate(R.layout.dialog_encrypt_decrypt_keys, main_content, false)
AlertDialog.Builder(this).setTitle(R.string.title_private_keys_encryption).setView(encryptDecryptDialog)
.setPositiveButton(R.string.action_apply) { _, _ ->
encryptDecryptPrivateKeys(
encryptDecryptDialog!!.enc_dec_net_name.text.toString(),
encryptDecryptDialog.enc_dec_current_passphrase.text.toString(),
encryptDecryptDialog.enc_dec_new_passphrase.text.toString())
}.setNegativeButton(R.string.action_cancel) { _, _ -> Unit }.show()
}
private fun writeContent() {
text_configuration_directory.text = AppPaths.confDir().absolutePath
text_log_directory.text = AppPaths.cacheDir().absolutePath
text_tinc_binary.text = AppPaths.tinc().absolutePath
}
private fun generateConf(netName: String, nodeName: String, passphrase: String? = null) = execAction(
R.string.message_generating_configuration,
validateNetName(netName)
.thenCompose { Tinc.init(netName, nodeName) }
.thenCompose { TincApp.removeScripts(netName) }
.thenCompose { TincApp.generateIfaceCfgTemplate(netName) }
.thenCompose { TincApp.setPassphrase(netName, newPassphrase = passphrase) })
private fun joinNetwork(netName: String, url: String, passphrase: String? = null) = execAction(
R.string.message_joining_network,
validateNetName(netName)
.thenCompose { Tinc.join(netName, url) }
.thenCompose { TincApp.removeScripts(netName) }
.thenCompose { TincApp.generateIfaceCfg(netName) }
.thenCompose { TincApp.setPassphrase(netName, newPassphrase = passphrase) })
private fun encryptDecryptPrivateKeys(netName: String, currentPassphrase: String, newPassphrase: String) = execAction(
R.string.message_encrypting_decrypting_private_keys,
validateNetName(netName)
.thenCompose { TincApp.setPassphrase(netName, currentPassphrase, newPassphrase) })
private fun execAction(@StringRes label: Int, action: CompletableFuture<Unit>) {
showProgressDialog(label).let { progressDialog ->
action
.whenComplete { _, _ -> progressDialog.dismiss() }
.thenAccept { notify(R.string.message_network_configuration_written) }
.exceptionallyAccept { runOnUiThread { showErrorDialog(it.cause!!.localizedMessage) } }
}
}
private fun validateNetName(netName: String): CompletableFuture<Unit> =
if (NETWORK_NAME_PATTERN.matcher(netName).matches())
CompletableFuture.completedFuture(Unit)
else
CompletableFuture.failedFuture(IllegalArgumentException(resources.getString(R.string.message_invalid_network_name)))
}
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