611 lines
20 KiB
Scala
611 lines
20 KiB
Scala
/*
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* Shadowsocks - A shadowsocks client for Android
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* Copyright (C) 2014 <max.c.lv@gmail.com>
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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 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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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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* ___====-_ _-====___
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* _--^^^#####// \\#####^^^--_
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* _-^##########// ( ) \\##########^-_
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* -############// |\^^/| \\############-
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* _/############// (@::@) \\############\_
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* /#############(( \\// ))#############\
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* -###############\\ (oo) //###############-
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* -#################\\ / VV \ //#################-
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* -###################\\/ \//###################-
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* _#/|##########/\######( /\ )######/\##########|\#_
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* |/ |#/\#/\#/\/ \#/\##\ | | /##/\#/ \/\#/\#/\#| \|
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* ` |/ V V ` V \#\| | | |/#/ V ' V V \| '
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* ` ` ` ` / | | | | \ ' ' ' '
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* ( | | | | )
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* __\ | | | | /__
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* (vvv(VVV)(VVV)vvv)
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*
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* HERE BE DRAGONS
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*
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*/
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package com.github.shadowsocks
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import java.io.{FileOutputStream, IOException, InputStream, OutputStream}
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import java.util
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import java.util.Locale
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import android.app.backup.BackupManager
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import android.app.{Activity, ProgressDialog}
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import android.content._
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import android.content.res.AssetManager
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import android.graphics.Typeface
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import android.net.VpnService
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import android.os._
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import android.preference.{Preference, SwitchPreference}
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import android.support.design.widget.{FloatingActionButton, Snackbar}
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import android.support.v4.content.ContextCompat
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import android.support.v7.app.AppCompatActivity
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import android.support.v7.widget.Toolbar
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import android.util.Log
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import android.view.{View, ViewGroup, ViewParent}
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import android.widget._
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import com.github.jorgecastilloprz.FABProgressCircle
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import com.github.shadowsocks.aidl.IShadowsocksServiceCallback
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import com.github.shadowsocks.database._
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import com.github.shadowsocks.preferences.{DropDownPreference, NumberPickerPreference, PasswordEditTextPreference, SummaryEditTextPreference}
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import com.github.shadowsocks.utils._
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import com.google.android.gms.ads.{AdRequest, AdSize, AdView}
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import scala.collection.mutable.ArrayBuffer
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import scala.concurrent.ExecutionContext.Implicits.global
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import scala.concurrent.Future
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object Typefaces {
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def get(c: Context, assetPath: String): Typeface = {
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cache synchronized {
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if (!cache.containsKey(assetPath)) {
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try {
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cache.put(assetPath, Typeface.createFromAsset(c.getAssets, assetPath))
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} catch {
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case e: Exception =>
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Log.e(TAG, "Could not get typeface '" + assetPath + "' because " + e.getMessage)
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return null
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}
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}
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return cache.get(assetPath)
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}
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}
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private final val TAG = "Typefaces"
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private final val cache = new util.Hashtable[String, Typeface]
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}
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object Shadowsocks {
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// Constants
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val TAG = "Shadowsocks"
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val REQUEST_CONNECT = 1
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val PREFS_NAME = "Shadowsocks"
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val PROXY_PREFS = Array(Key.profileName, Key.proxy, Key.remotePort, Key.localPort, Key.sitekey, Key.encMethod,
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Key.isAuth)
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val FEATURE_PREFS = Array(Key.route, Key.isProxyApps, Key.isUdpDns, Key.isIpv6)
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val EXECUTABLES = Array(Executable.PDNSD, Executable.REDSOCKS, Executable.SS_TUNNEL, Executable.SS_LOCAL,
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Executable.TUN2SOCKS)
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// Helper functions
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def updateDropDownPreference(pref: Preference, value: String) {
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pref.asInstanceOf[DropDownPreference].setValue(value)
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}
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def updatePasswordEditTextPreference(pref: Preference, value: String) {
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pref.setSummary(value)
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pref.asInstanceOf[PasswordEditTextPreference].setText(value)
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}
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def updateNumberPickerPreference(pref: Preference, value: Int) {
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pref.asInstanceOf[NumberPickerPreference].setValue(value)
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}
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def updateSummaryEditTextPreference(pref: Preference, value: String) {
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pref.setSummary(value)
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pref.asInstanceOf[SummaryEditTextPreference].setText(value)
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}
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def updateSwitchPreference(pref: Preference, value: Boolean) {
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pref.asInstanceOf[SwitchPreference].setChecked(value)
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}
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def updatePreference(pref: Preference, name: String, profile: Profile) {
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name match {
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case Key.profileName => updateSummaryEditTextPreference(pref, profile.name)
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case Key.proxy => updateSummaryEditTextPreference(pref, profile.host)
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case Key.remotePort => updateNumberPickerPreference(pref, profile.remotePort)
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case Key.localPort => updateNumberPickerPreference(pref, profile.localPort)
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case Key.sitekey => updatePasswordEditTextPreference(pref, profile.password)
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case Key.encMethod => updateDropDownPreference(pref, profile.method)
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case Key.route => updateDropDownPreference(pref, profile.route)
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case Key.isProxyApps => updateSwitchPreference(pref, profile.proxyApps)
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case Key.isUdpDns => updateSwitchPreference(pref, profile.udpdns)
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case Key.isAuth => updateSwitchPreference(pref, profile.auth)
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case Key.isIpv6 => updateSwitchPreference(pref, profile.ipv6)
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}
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}
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}
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class Shadowsocks
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extends AppCompatActivity with ServiceBoundContext {
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// Variables
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var serviceStarted = false
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var fab: FloatingActionButton = _
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var fabProgressCircle: FABProgressCircle = _
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var progressDialog: ProgressDialog = _
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var progressTag = -1
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var state = State.INIT
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var prepared = false
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var currentProfile = new Profile
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var vpnEnabled = -1
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// Services
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var currentServiceName = classOf[ShadowsocksNatService].getName
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override def onServiceConnected() {
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// Update the UI
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if (fab != null) fab.setEnabled(true)
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stateUpdate()
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if (!ShadowsocksApplication.settings.getBoolean(ShadowsocksApplication.getVersionName, false)) {
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ShadowsocksApplication.settings.edit.putBoolean(ShadowsocksApplication.getVersionName, true).apply()
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recovery()
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}
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}
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override def onServiceDisconnected() {
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if (fab != null) fab.setEnabled(false)
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}
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def trafficUpdated(txRate: String, rxRate: String, txTotal: String, rxTotal: String) {
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val trafficStat = getString(R.string.stat_summary)
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.formatLocal(Locale.ENGLISH, txRate, rxRate, txTotal, rxTotal)
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handler.post(() => {
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preferences.findPreference(Key.stat).setSummary(trafficStat)
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})
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}
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private lazy val preferences =
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getFragmentManager.findFragmentById(android.R.id.content).asInstanceOf[ShadowsocksSettings]
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private var adView: AdView = _
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private lazy val greyTint = ContextCompat.getColorStateList(this, R.color.material_blue_grey_700)
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private lazy val greenTint = ContextCompat.getColorStateList(this, R.color.material_green_700)
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var handler = new Handler()
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private def changeSwitch(checked: Boolean) {
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serviceStarted = checked
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fab.setImageResource(if (checked) R.drawable.ic_cloud else R.drawable.ic_cloud_off)
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if (fab.isEnabled) {
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fab.setEnabled(false)
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handler.postDelayed(() => fab.setEnabled(true), 1000)
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}
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}
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private def showProgress(msg: Int): Handler = {
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clearDialog()
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progressDialog = ProgressDialog.show(this, "", getString(msg), true, false)
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progressTag = msg
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new Handler {
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override def handleMessage(msg: Message) {
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clearDialog()
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}
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}
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}
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private def copyAssets(path: String) {
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val assetManager: AssetManager = getAssets
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var files: Array[String] = null
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try {
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files = assetManager.list(path)
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} catch {
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case e: IOException =>
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Log.e(Shadowsocks.TAG, e.getMessage)
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}
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if (files != null) {
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for (file <- files) {
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var in: InputStream = null
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var out: OutputStream = null
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try {
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if (path.length > 0) {
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in = assetManager.open(path + "/" + file)
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} else {
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in = assetManager.open(file)
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}
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out = new FileOutputStream(Path.BASE + file)
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copyFile(in, out)
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in.close()
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in = null
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out.flush()
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out.close()
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out = null
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} catch {
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case ex: Exception =>
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Log.e(Shadowsocks.TAG, ex.getMessage)
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}
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}
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}
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}
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private def copyFile(in: InputStream, out: OutputStream) {
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val buffer: Array[Byte] = new Array[Byte](1024)
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var read: Int = 0
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while ( {
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read = in.read(buffer)
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read
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} != -1) {
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out.write(buffer, 0, read)
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}
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}
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private def crashRecovery() {
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val cmd = new ArrayBuffer[String]()
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for (task <- Array("ss-local", "ss-tunnel", "pdnsd", "redsocks", "tun2socks")) {
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cmd.append("chmod 666 %s%s-nat.pid".formatLocal(Locale.ENGLISH, Path.BASE, task))
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cmd.append("chmod 666 %s%s-vpn.pid".formatLocal(Locale.ENGLISH, Path.BASE, task))
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}
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if (!ShadowsocksApplication.isVpnEnabled) {
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Console.runRootCommand(cmd.toArray)
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} else {
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Console.runCommand(cmd.toArray)
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}
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cmd.clear()
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for (task <- Array("ss-local", "ss-tunnel", "pdnsd", "redsocks", "tun2socks")) {
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try {
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val pid_nat = scala.io.Source.fromFile(Path.BASE + task + "-nat.pid").mkString.trim.toInt
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val pid_vpn = scala.io.Source.fromFile(Path.BASE + task + "-vpn.pid").mkString.trim.toInt
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cmd.append("kill -9 %d".formatLocal(Locale.ENGLISH, pid_nat))
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cmd.append("kill -9 %d".formatLocal(Locale.ENGLISH, pid_vpn))
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Process.killProcess(pid_nat)
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Process.killProcess(pid_vpn)
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} catch {
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case e: Throwable => Log.e(Shadowsocks.TAG, "unable to kill " + task)
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}
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cmd.append("rm -f %s%s-nat.pid".formatLocal(Locale.ENGLISH, Path.BASE, task))
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cmd.append("rm -f %s%s-nat.conf".formatLocal(Locale.ENGLISH, Path.BASE, task))
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cmd.append("rm -f %s%s-vpn.pid".formatLocal(Locale.ENGLISH, Path.BASE, task))
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cmd.append("rm -f %s%s-vpn.conf".formatLocal(Locale.ENGLISH, Path.BASE, task))
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}
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Console.runCommand(cmd.toArray)
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if (!ShadowsocksApplication.isVpnEnabled) {
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Console.runRootCommand(cmd.toArray)
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Console.runRootCommand(Utils.getIptables + " -t nat -F OUTPUT")
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}
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}
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def cancelStart() {
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clearDialog()
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changeSwitch(checked = false)
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}
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def isReady: Boolean = {
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if (!checkText(Key.proxy)) return false
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if (!checkText(Key.sitekey)) return false
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if (bgService == null) return false
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true
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}
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def prepareStartService() {
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Future {
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if (ShadowsocksApplication.isVpnEnabled) {
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val intent = VpnService.prepare(this)
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if (intent != null) {
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startActivityForResult(intent, Shadowsocks.REQUEST_CONNECT)
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} else {
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handler.post(() => onActivityResult(Shadowsocks.REQUEST_CONNECT, Activity.RESULT_OK, null))
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}
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} else {
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serviceStart()
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}
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}
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}
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def getLayoutView(view: ViewParent): LinearLayout = {
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view match {
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case layout: LinearLayout => layout
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case _ => if (view != null) getLayoutView(view.getParent) else null
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}
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}
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override def onCreate(savedInstanceState: Bundle) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.layout_main)
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// Initialize action bar
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val toolbar = findViewById(R.id.toolbar).asInstanceOf[Toolbar]
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toolbar.setTitle(getString(R.string.screen_name))
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toolbar.setTitleTextAppearance(toolbar.getContext, R.style.Toolbar_Logo)
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val field = classOf[Toolbar].getDeclaredField("mTitleTextView")
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field.setAccessible(true)
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val title: TextView = field.get(toolbar).asInstanceOf[TextView]
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val tf: Typeface = Typefaces.get(this, "fonts/Iceland.ttf")
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if (tf != null) title.setTypeface(tf)
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fab = findViewById(R.id.fab).asInstanceOf[FloatingActionButton]
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fabProgressCircle = findViewById(R.id.fabProgressCircle).asInstanceOf[FABProgressCircle]
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fab.setOnClickListener((v: View) => {
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serviceStarted = !serviceStarted
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serviceStarted match {
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case true =>
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if (isReady)
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prepareStartService()
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else
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changeSwitch(checked = false)
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case false =>
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serviceStop()
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}
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})
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fab.setOnLongClickListener((v: View) => {
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Utils.positionToast(Toast.makeText(this, if (serviceStarted) R.string.stop else R.string.connect,
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Toast.LENGTH_SHORT), fab, getWindow, 0, Utils.dpToPx(this, 8)).show
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true
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})
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// Bind to the service
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handler.post(() => {
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attachService(new IShadowsocksServiceCallback.Stub {
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override def stateChanged(state: Int, msg: String) {
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onStateChanged(state, msg)
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}
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override def trafficUpdated(txRate: String, rxRate: String, txTotal: String, rxTotal: String) {
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Shadowsocks.this.trafficUpdated(txRate, rxRate, txTotal, rxTotal)
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}
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})
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})
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}
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def reloadProfile() {
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currentProfile = ShadowsocksApplication.currentProfile match {
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case Some(profile) => profile // updated
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case None => // removed
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val profiles = ShadowsocksApplication.profileManager.getAllProfiles.getOrElse(List[Profile]())
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if (profiles.isEmpty) ShadowsocksApplication.profileManager.createDefault()
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else ShadowsocksApplication.switchProfile(profiles.head.id)
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}
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updatePreferenceScreen()
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serviceStop()
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}
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protected override def onPause() {
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super.onPause()
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ShadowsocksApplication.profileManager.save
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prepared = false
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}
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private def stateUpdate() {
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if (bgService != null) {
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bgService.getState match {
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case State.CONNECTING =>
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fab.setBackgroundTintList(greyTint)
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changeSwitch(checked = true)
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setPreferenceEnabled(false)
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fabProgressCircle.show()
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case State.CONNECTED =>
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fab.setBackgroundTintList(greenTint)
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changeSwitch(checked = true)
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setPreferenceEnabled(false)
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fabProgressCircle.show()
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handler.postDelayed(() => fabProgressCircle.hide(), 1000)
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case State.STOPPING =>
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fab.setBackgroundTintList(greyTint)
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changeSwitch(checked = false)
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setPreferenceEnabled(false)
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fabProgressCircle.show()
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case _ =>
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fab.setBackgroundTintList(greyTint)
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changeSwitch(checked = false)
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setPreferenceEnabled(true)
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fabProgressCircle.show()
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handler.postDelayed(() => fabProgressCircle.hide(), 1000)
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}
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state = bgService.getState
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}
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}
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protected override def onResume() {
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super.onResume()
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stateUpdate()
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ConfigUtils.refresh(this)
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// Check if current profile changed
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if (ShadowsocksApplication.profileId != currentProfile.id) reloadProfile()
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trafficUpdated(TrafficMonitor.getTxRate, TrafficMonitor.getRxRate,
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TrafficMonitor.getTxTotal, TrafficMonitor.getRxTotal)
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}
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private def setPreferenceEnabled(enabled: Boolean) {
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preferences.findPreference(Key.isNAT).setEnabled(enabled)
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for (name <- Shadowsocks.PROXY_PREFS) {
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val pref = preferences.findPreference(name)
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if (pref != null) {
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pref.setEnabled(enabled)
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}
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}
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for (name <- Shadowsocks.FEATURE_PREFS) {
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val pref = preferences.findPreference(name)
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if (pref != null) {
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if (name == Key.isProxyApps) {
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pref.setEnabled(enabled && (Utils.isLollipopOrAbove || !ShadowsocksApplication.isVpnEnabled))
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} else {
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pref.setEnabled(enabled)
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}
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}
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}
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}
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private def updatePreferenceScreen() {
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if (ShadowsocksApplication.proxy == "198.199.101.152" && adView == null) {
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adView = new AdView(this)
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adView.setAdUnitId("ca-app-pub-9097031975646651/7760346322")
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adView.setAdSize(AdSize.SMART_BANNER)
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preferences.getView.asInstanceOf[ViewGroup].addView(adView, 0)
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adView.loadAd(new AdRequest.Builder().build())
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}
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val profile = currentProfile
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for (name <- Shadowsocks.PROXY_PREFS) {
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val pref = preferences.findPreference(name)
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Shadowsocks.updatePreference(pref, name, profile)
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}
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for (name <- Shadowsocks.FEATURE_PREFS) {
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val pref = preferences.findPreference(name)
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Shadowsocks.updatePreference(pref, name, profile)
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}
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}
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override def onStop() {
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super.onStop()
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clearDialog()
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}
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override def onDestroy() {
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super.onDestroy()
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deattachService()
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new BackupManager(this).dataChanged()
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handler.removeCallbacksAndMessages(null)
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}
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def copyToSystem() {
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val ab = new ArrayBuffer[String]
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ab.append("mount -o rw,remount -t yaffs2 /dev/block/mtdblock3 /system")
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for (executable <- Shadowsocks.EXECUTABLES) {
|
|
ab.append("cp %s%s /system/bin/".formatLocal(Locale.ENGLISH, Path.BASE, executable))
|
|
ab.append("chmod 755 /system/bin/" + executable)
|
|
ab.append("chown root:shell /system/bin/" + executable)
|
|
}
|
|
ab.append("mount -o ro,remount -t yaffs2 /dev/block/mtdblock3 /system")
|
|
Console.runRootCommand(ab.toArray)
|
|
}
|
|
|
|
def install() {
|
|
copyAssets(System.getABI)
|
|
|
|
val ab = new ArrayBuffer[String]
|
|
for (executable <- Shadowsocks.EXECUTABLES) {
|
|
ab.append("chmod 755 " + Path.BASE + executable)
|
|
}
|
|
Console.runCommand(ab.toArray)
|
|
}
|
|
|
|
def reset() {
|
|
crashRecovery()
|
|
|
|
install()
|
|
}
|
|
|
|
def recovery() {
|
|
serviceStop()
|
|
val h = showProgress(R.string.recovering)
|
|
Future {
|
|
reset()
|
|
h.sendEmptyMessage(0)
|
|
}
|
|
}
|
|
|
|
def flushDnsCache() {
|
|
val h = showProgress(R.string.flushing)
|
|
Future {
|
|
Utils.toggleAirplaneMode(getBaseContext)
|
|
h.sendEmptyMessage(0)
|
|
}
|
|
}
|
|
|
|
override def onActivityResult(requestCode: Int, resultCode: Int, data: Intent) = resultCode match {
|
|
case Activity.RESULT_OK =>
|
|
prepared = true
|
|
serviceStart()
|
|
case _ =>
|
|
cancelStart()
|
|
Log.e(Shadowsocks.TAG, "Failed to start VpnService")
|
|
}
|
|
|
|
def serviceStop() {
|
|
if (bgService != null) bgService.stop()
|
|
}
|
|
|
|
def checkText(key: String): Boolean = {
|
|
val text = ShadowsocksApplication.settings.getString(key, "")
|
|
if (text != null && text.length > 0) return true
|
|
Snackbar.make(findViewById(android.R.id.content), getString(R.string.proxy_empty), Snackbar.LENGTH_LONG).show
|
|
false
|
|
}
|
|
|
|
/** Called when connect button is clicked. */
|
|
def serviceStart() {
|
|
bgService.start(ConfigUtils.load(ShadowsocksApplication.settings))
|
|
|
|
if (ShadowsocksApplication.isVpnEnabled) {
|
|
changeSwitch(checked = false)
|
|
}
|
|
}
|
|
|
|
def clearDialog() {
|
|
if (progressDialog != null) {
|
|
progressDialog.dismiss()
|
|
progressDialog = null
|
|
progressTag = -1
|
|
}
|
|
}
|
|
|
|
def onStateChanged(s: Int, m: String) {
|
|
handler.post(() => if (state != s) {
|
|
s match {
|
|
case State.CONNECTING =>
|
|
fab.setBackgroundTintList(greyTint)
|
|
fab.setImageResource(R.drawable.ic_cloud_queue)
|
|
fab.setEnabled(false)
|
|
fabProgressCircle.show()
|
|
setPreferenceEnabled(enabled = false)
|
|
case State.CONNECTED =>
|
|
fab.setBackgroundTintList(greenTint)
|
|
if (state == State.CONNECTING) {
|
|
fabProgressCircle.beginFinalAnimation()
|
|
} else {
|
|
handler.postDelayed(() => fabProgressCircle.hide(), 1000)
|
|
}
|
|
fab.setEnabled(true)
|
|
changeSwitch(checked = true)
|
|
setPreferenceEnabled(enabled = false)
|
|
case State.STOPPED =>
|
|
fab.setBackgroundTintList(greyTint)
|
|
handler.postDelayed(() => fabProgressCircle.hide(), 1000)
|
|
fab.setEnabled(true)
|
|
changeSwitch(checked = false)
|
|
if (m != null) Snackbar.make(findViewById(android.R.id.content),
|
|
getString(R.string.vpn_error).formatLocal(Locale.ENGLISH, m), Snackbar.LENGTH_LONG).show
|
|
setPreferenceEnabled(enabled = true)
|
|
case State.STOPPING =>
|
|
fab.setBackgroundTintList(greyTint)
|
|
fab.setImageResource(R.drawable.ic_cloud_queue)
|
|
fab.setEnabled(false)
|
|
if (state == State.CONNECTED) fabProgressCircle.show() // ignore for stopped
|
|
setPreferenceEnabled(enabled = false)
|
|
}
|
|
state = s
|
|
})
|
|
}
|
|
}
|