/*
* 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 .
*/
package org.pacien.tincapp.activities
import android.content.Intent
import android.os.Bundle
import android.support.v4.widget.SwipeRefreshLayout
import android.support.v7.app.AlertDialog
import android.view.Menu
import android.view.MenuItem
import android.view.View
import android.widget.AdapterView
import android.widget.ArrayAdapter
import android.widget.TextView
import java8.util.concurrent.CompletableFuture
import kotlinx.android.synthetic.main.base.*
import kotlinx.android.synthetic.main.dialog_node_details.view.*
import kotlinx.android.synthetic.main.fragment_list_view.*
import kotlinx.android.synthetic.main.fragment_network_status_header.*
import org.pacien.tincapp.R
import org.pacien.tincapp.commands.Executor
import org.pacien.tincapp.commands.Tinc
import org.pacien.tincapp.data.VpnInterfaceConfiguration
import org.pacien.tincapp.extensions.Android.setElements
import org.pacien.tincapp.extensions.Android.setText
import org.pacien.tincapp.intent.Actions
import org.pacien.tincapp.intent.BroadcastMapper
import org.pacien.tincapp.service.TincVpnService
import java.util.*
import kotlin.concurrent.timerTask
/**
* @author pacien
*/
class StatusActivity : BaseActivity(), AdapterView.OnItemClickListener, SwipeRefreshLayout.OnRefreshListener {
private val broadcastMapper = BroadcastMapper(mapOf(Actions.EVENT_DISCONNECTED to this::onVpnShutdown))
private var shutdownDialog: AlertDialog? = null
private var nodeListAdapter: ArrayAdapter? = null
private var refreshTimer: Timer? = null
private var listNetworksAfterExit = true
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
nodeListAdapter = ArrayAdapter(this, R.layout.fragment_list_item)
layoutInflater.inflate(R.layout.fragment_list_view, main_content)
list_wrapper.setOnRefreshListener(this)
list.addHeaderView(layoutInflater.inflate(R.layout.fragment_network_status_header, list, false), null, false)
list.addFooterView(View(this), null, false)
list.onItemClickListener = this
list.adapter = nodeListAdapter
if (intent.action == Actions.ACTION_DISCONNECT) {
listNetworksAfterExit = false
stopVpn()
} else {
listNetworksAfterExit = true
}
}
override fun onCreateOptionsMenu(m: Menu): Boolean {
menuInflater.inflate(R.menu.menu_status, m)
return super.onCreateOptionsMenu(m)
}
override fun onDestroy() {
super.onDestroy()
nodeListAdapter = null
refreshTimer = null
}
override fun onStart() {
super.onStart()
refreshTimer = Timer(true)
refreshTimer?.schedule(timerTask { updateView() }, NOW, REFRESH_RATE)
writeNetworkInfo(TincVpnService.getCurrentInterfaceCfg() ?: VpnInterfaceConfiguration())
}
override fun onStop() {
refreshTimer?.cancel()
super.onStop()
}
override fun onResume() {
super.onResume()
broadcastMapper.register()
updateView()
}
override fun onPause() {
broadcastMapper.unregister()
super.onPause()
}
override fun onRefresh() {
refreshTimer?.schedule(timerTask { updateView() }, NOW)
}
override fun onItemClick(parent: AdapterView<*>?, view: View?, position: Int, id: Long) = when (view) {
is TextView -> showNodeInfo(view.text.toString())
else -> Unit
}
private fun onVpnShutdown() {
shutdownDialog?.dismiss()
if (listNetworksAfterExit) openStartActivity()
finish()
}
fun stopVpn(@Suppress("UNUSED_PARAMETER") i: MenuItem? = null) {
refreshTimer?.cancel()
list_wrapper.isRefreshing = false
shutdownDialog = showProgressDialog(R.string.message_disconnecting_vpn)
TincVpnService.disconnect()
}
fun openLogViewer(@Suppress("UNUSED_PARAMETER") i: MenuItem) =
startActivity(Intent(this, ViewLogActivity::class.java))
private fun writeNetworkInfo(cfg: VpnInterfaceConfiguration) {
text_network_name.text = TincVpnService.getCurrentNetName() ?: getString(R.string.value_none)
text_network_ip_addresses.setText(cfg.addresses.map { it.toSlashSeparated() })
text_network_routes.setText(cfg.routes.map { it.toSlashSeparated() })
text_network_dns_servers.setText(cfg.dnsServers)
text_network_search_domains.setText(cfg.searchDomains)
text_network_allow_bypass.text = getString(if (cfg.allowBypass) R.string.value_yes else R.string.value_no)
block_network_allowed_applications.visibility = if (cfg.allowedApplications.isNotEmpty()) View.VISIBLE else View.GONE
text_network_allowed_applications.setText(cfg.allowedApplications)
block_network_disallowed_applications.visibility = if (cfg.disallowedApplications.isNotEmpty()) View.VISIBLE else View.GONE
text_network_disallowed_applications.setText(cfg.disallowedApplications)
}
private fun writeNodeList(nodeList: List) {
nodeListAdapter?.setElements(nodeList)
node_list_placeholder.visibility = View.GONE
list_wrapper.isRefreshing = false
}
private fun updateNodeList() {
getNodeNames().thenAccept { nodeList -> runOnUiThread { writeNodeList(nodeList) } }
}
private fun showNodeInfo(nodeName: String) {
val dialogTextView = layoutInflater.inflate(R.layout.dialog_node_details, main_content, false)
runOnUiThread {
AlertDialog.Builder(this)
.setTitle(R.string.title_node_info)
.setView(dialogTextView)
.setPositiveButton(R.string.action_close) { _, _ -> Unit }
.show()
}
TincVpnService.getCurrentNetName()?.let { netName ->
Tinc.info(netName, nodeName).thenAccept { nodeInfo ->
runOnUiThread { dialogTextView.dialog_node_details.text = nodeInfo }
}
}
}
private fun updateView() = when {
TincVpnService.isConnected() -> updateNodeList()
else -> openStartActivity()
}
private fun openStartActivity() {
startActivity(Intent(this, StartActivity::class.java).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
finish()
}
companion object {
private const val REFRESH_RATE = 5000L
private const val NOW = 0L
fun getNodeNames(): CompletableFuture> = TincVpnService.getCurrentNetName()?.let { netName ->
Tinc.dumpNodes(netName).thenApply> { it.map { it.substringBefore(' ') } }
} ?: Executor.supplyAsyncTask> { emptyList() }
}
}