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# AIRA Android
AIRA is peer-to-peer encrypted communication tool for local networks built on the [PSEC protocol](https://forge.chapril.org/hardcoresushi/PSEC). It allows to securely send text messages and files without any server or Internet access.
Here is the Android version. You can find the original AIRA desktop version [here](https://forge.chapril.org/hardcoresushi/AIRA).
# Disclaimer
AIRA is still under developement and is not ready for production usage yet. Not all features have been implemented and bugs are expected. Neither the code or the PSEC protocol received any security audit and therefore shouldn't be considered fully secure. AIRA is provided "as is", without any warranty of any kind.
# Features
- End-to-End encryption using the [PSEC protocol](https://forge.chapril.org/hardcoresushi/PSEC)
- Automatic peer discovery using mDNS
- Manual peer connection
- File transferts
- Notifications
- Encrypted database
- Contact verification
- IPv4/v6 compatibility
- Free/Libre and Open Source
# Build
### Install Rust
AIRA android uses some code from the desktop version which is written in Rust. Therefore, you need to compile this Rust code first.
```
curl --proto '=https' --tlsv1.3 -sSf https://sh.rustup.rs | sh
rustup target add aarch64-linux-android armv7-linux-androideabi
```
### Install NDK
The Rust code uses a crate called "rusqlite" to store data in SQLite databases. This crates uses the original SQLite3 library written in C. Therefore, to compile it you need the Android NDK. You can find instructions to install the NDK here: https://developer.android.com/ndk/guides
Once installed, you need to define the $ANDROID_NDK_HOME environment variable (if not already set):
```
export ANDROID_NDK_HOME=/home/<user>/Android/SDK/ndk/<NDK version>"
```
### Download AIRA
```
git clone --depth=1 https://forge.chapril.org/hardcoresushi/AIRA-android.git && cd AIRA-android
```
### Verify commit
```
git verify-commit HEAD
```
### Build AIRA Rust code
```
cd app/src/main/native
./build.sh
```
### Build final APK
If you have AndroidStudio installed, you can just open the project directory and then start the build process. Otherwise, you can use Gradle from the command line:
Generate a signed APK with your keystore:
```
# From the project root directory:
./gradlew assembleRelease -Pandroid.injected.signing.store.file=<KEYFILE> -Pandroid.injected.signing.store.password=<STORE_PASSWORD> -Pandroid.injected.signing.key.alias=<KEY_ALIAS> -Pandroid.injected.signing.key.password=<KEY_PASSWORD>
```
Generate an unsigned APK:
```
./gradlew assembleRelease
```
Once completed, the APKs will be located under `app/build/outputs/apk/release/`.
If you generate an unsigned APK you won't be able to install it as-is on your device. You will need to force install it with ADB:
```
adb install app-release-unsigned.apk
```

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/build

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plugins {
id 'com.android.application'
id 'kotlin-android'
}
android {
compileSdkVersion 30
buildToolsVersion "30.0.3"
defaultConfig {
applicationId "sushi.hardcore.aira"
minSdkVersion 19
targetSdkVersion 30
versionCode 1
versionName "0.1"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildFeatures {
viewBinding true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
}
dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
implementation 'androidx.core:core-ktx:1.3.2'
implementation 'androidx.appcompat:appcompat:1.2.0'
implementation "androidx.fragment:fragment-ktx:1.3.2"
implementation "androidx.preference:preference-ktx:1.1.1"
implementation 'com.google.android.material:material:1.3.0'
//implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
//implementation 'androidx.legacy:legacy-support-v4:1.0.0'
//testImplementation 'junit:junit:4.13.1'
implementation 'net.i2p.crypto:eddsa:0.3.0'
implementation "org.whispersystems:curve25519-android:0.5.0"
implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
}

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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

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package sushi.hardcore.aira
import androidx.test.platform.app.InstrumentationRegistry
import androidx.test.ext.junit.runners.AndroidJUnit4
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.Assert.*
/**
* Instrumented test, which will execute on an Android device.
*
* See [testing documentation](http://d.android.com/tools/testing).
*/
@RunWith(AndroidJUnit4::class)
class ExampleInstrumentedTest {
@Test
fun useAppContext() {
// Context of the app under test.
val appContext = InstrumentationRegistry.getInstrumentation().targetContext
assertEquals("sushi.hardcore.aira", appContext.packageName)
}
}

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="sushi.hardcore.aira">
<uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE" tools:node="remove"/>
<application
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.AIRA"
android:allowBackup="true">
<service
android:name=".background_service.AIRAService"
android:enabled="true"
android:exported="false"/>
<receiver android:name=".background_service.NotificationBroadcastReceiver" android:exported="false">
<intent-filter>
<action android:name="mark_as_read"/>
</intent-filter>
</receiver>
<activity
android:name=".ChatActivity"
android:windowSoftInputMode="adjustResize"/>
<activity android:name=".MainActivity">
<intent-filter android:label="@string/share_label">
<action android:name="android.intent.action.SEND"/>
<category android:name="android.intent.category.DEFAULT"/>
<data android:mimeType="*/*"/>
</intent-filter>
</activity>
<activity android:name=".LoginActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity android:name=".SettingsActivity"/>
</application>
</manifest>

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package sushi.hardcore.aira
import sushi.hardcore.aira.background_service.Contact
object AIRADatabase {
external fun isIdentityProtected(databaseFolder: String): Boolean
external fun loadIdentity(databaseFolder: String, password: ByteArray?): Boolean
external fun addContact(name: String, publicKey: ByteArray): Contact?
external fun removeContact(uuid: String): Boolean
external fun loadContacts(): ArrayList<Contact>?
external fun setVerified(uuid: String): Boolean
external fun setContactSeen(contactUuid: String, seen: Boolean): Boolean
external fun changeContactName(contactUuid: String, newName: String): Boolean
external fun storeMsg(contactUuid: String, outgoing: Boolean, data: ByteArray): Boolean
external fun storeFile(contactUuid: String?, data: ByteArray): ByteArray?
external fun loadMsgs(uuid: String, offset: Int, count: Int): ArrayList<ChatItem>?
external fun loadFile(rawUuid: ByteArray): ByteArray?
external fun deleteConversation(contactUuid: String): Boolean
external fun clearTemporaryFiles(): Int
external fun getIdentityPublicKey(): ByteArray
external fun getIdentityFingerprint(): String
external fun changeName(newName: String): Boolean
external fun changePassword(databaseFolder: String, oldPassword: ByteArray?, newPassword: ByteArray?): Boolean
}

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package sushi.hardcore.aira
import android.content.*
import android.os.Bundle
import android.os.IBinder
import android.provider.OpenableColumns
import android.view.Menu
import android.view.MenuItem
import android.view.View
import android.widget.LinearLayout
import android.widget.TextView
import android.widget.Toast
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import sushi.hardcore.aira.adapters.ChatAdapter
import sushi.hardcore.aira.background_service.AIRAService
import sushi.hardcore.aira.background_service.Protocol
import sushi.hardcore.aira.background_service.ReceiveFileTransfer
import sushi.hardcore.aira.databinding.ActivityChatBinding
import sushi.hardcore.aira.utils.FileUtils
import sushi.hardcore.aira.utils.StringUtils
import java.util.*
class ChatActivity : AppCompatActivity() {
private external fun generateFingerprint(publicKey: ByteArray): String
private lateinit var binding: ActivityChatBinding
private var sessionId = -1
private lateinit var sessionName: String
private lateinit var airaService: AIRAService
private lateinit var chatAdapter: ChatAdapter
private var lastLoadedMessageOffset = 0
private var isActivityInForeground = false
private val filePicker = registerForActivityResult(ActivityResultContracts.GetContent()) { uri ->
if (::airaService.isInitialized) {
contentResolver.query(uri, null, null, null, null)?.let { cursor ->
if (cursor.moveToFirst()) {
contentResolver.openInputStream(uri)?.let { inputStream ->
val fileName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME))
val fileSize = cursor.getLong(cursor.getColumnIndex(OpenableColumns.SIZE))
airaService.sendFileTo(sessionId, fileName, fileSize, inputStream)?.let { msg ->
chatAdapter.newMessage(ChatItem(true, msg))
}
if (airaService.contacts.contains(sessionId)) {
lastLoadedMessageOffset += 1
}
}
}
cursor.close()
}
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityChatBinding.inflate(layoutInflater)
setContentView(binding.root)
supportActionBar?.setDisplayHomeAsUpEnabled(true)
sessionId = intent.getIntExtra("sessionId", -1)
if (sessionId != -1) {
intent.getStringExtra("sessionName")?.let { name ->
sessionName = name
title = name
chatAdapter = ChatAdapter(this@ChatActivity, ::onClickSaveFile)
binding.recyclerChat.apply {
adapter = chatAdapter
layoutManager = LinearLayoutManager(this@ChatActivity, LinearLayoutManager.VERTICAL, false)
addOnScrollListener(object : RecyclerView.OnScrollListener() {
fun loadMsgsIfNeeded(recyclerView: RecyclerView) {
if (!recyclerView.canScrollVertically(-1) && ::airaService.isInitialized) {
airaService.contacts[sessionId]?.let { contact ->
loadMsgs(contact.uuid)
}
}
}
override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
loadMsgsIfNeeded(recyclerView)
}
override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
loadMsgsIfNeeded(recyclerView)
}
})
}
Intent(this, AIRAService::class.java).also { serviceIntent ->
bindService(serviceIntent, object : ServiceConnection {
override fun onServiceConnected(name: ComponentName?, service: IBinder) {
val binder = service as AIRAService.AIRABinder
airaService = binder.getService()
airaService.contacts[sessionId]?.let { contact ->
displayIconTrustLevel(true, contact.verified)
loadMsgs(contact.uuid)
}
airaService.receiveFileTransfers[sessionId]?.let {
if (it.shouldAsk) {
it.ask(this@ChatActivity, sessionName)
}
}
airaService.savedMsgs[sessionId]?.let {
for (chatItem in it.asReversed()) {
chatAdapter.newLoadedMessage(chatItem)
}
}
binding.recyclerChat.smoothScrollToPosition(chatAdapter.itemCount)
val onConnected = {
findViewById<ConstraintLayout>(R.id.bottom_panel).visibility = View.VISIBLE
binding.buttonSend.setOnClickListener {
val msg = binding.editMessage.text.toString()
airaService.sendTo(sessionId, Protocol.newMessage(msg))
binding.editMessage.text.clear()
chatAdapter.newMessage(ChatItem(true, Protocol.newMessage(msg)))
if (airaService.contacts.contains(sessionId)) {
lastLoadedMessageOffset += 1
}
binding.recyclerChat.smoothScrollToPosition(chatAdapter.itemCount)
}
binding.buttonAttach.setOnClickListener {
filePicker.launch("*/*")
}
}
airaService.uiCallbacks = object : AIRAService.UiCallbacks {
override fun onNewSession(sessionId: Int, ip: String) {
if (this@ChatActivity.sessionId == sessionId) {
runOnUiThread {
onConnected()
}
}
}
override fun onSessionDisconnect(sessionId: Int) {
if (this@ChatActivity.sessionId == sessionId) {
runOnUiThread {
findViewById<ConstraintLayout>(R.id.bottom_panel).visibility = View.GONE
binding.buttonSend.setOnClickListener(null)
binding.buttonAttach.setOnClickListener(null)
}
}
}
override fun onNameTold(sessionId: Int, name: String) {
if (this@ChatActivity.sessionId == sessionId) {
runOnUiThread {
sessionName = name
title = name
}
}
}
override fun onNewMessage(sessionId: Int, data: ByteArray): Boolean {
return if (this@ChatActivity.sessionId == sessionId) {
runOnUiThread {
chatAdapter.newMessage(ChatItem(false, data))
binding.recyclerChat.smoothScrollToPosition(chatAdapter.itemCount)
}
if (airaService.contacts.contains(sessionId)) {
lastLoadedMessageOffset += 1
}
isActivityInForeground
} else {
false
}
}
override fun onAskLargeFile(sessionId: Int, name: String, receiveFileTransfer: ReceiveFileTransfer): Boolean {
return if (this@ChatActivity.sessionId == sessionId) {
runOnUiThread {
receiveFileTransfer.ask(this@ChatActivity, name)
}
true
} else {
false
}
}
}
airaService.isAppInBackground = false
if (airaService.isOnline(sessionId)) {
onConnected()
}
airaService.setSeen(sessionId, true)
}
override fun onServiceDisconnected(name: ComponentName?) {}
}, Context.BIND_AUTO_CREATE)
}
}
}
}
fun displayIconTrustLevel(isContact: Boolean, isVerified: Boolean) {
when {
isVerified -> {
binding.imageTrustLevel.setImageResource(R.drawable.ic_verified)
}
isContact -> {
binding.imageTrustLevel.setImageDrawable(null)
}
else -> {
binding.imageTrustLevel.setImageResource(R.drawable.ic_warning)
}
}
}
fun loadMsgs(contactUuid: String) {
AIRADatabase.loadMsgs(contactUuid, lastLoadedMessageOffset, Constants.MSG_LOADING_COUNT)?.let {
for (chatItem in it.asReversed()) {
chatAdapter.newLoadedMessage(chatItem)
}
lastLoadedMessageOffset += it.size
}
}
override fun onCreateOptionsMenu(menu: Menu): Boolean {
menuInflater.inflate(R.menu.chat_activity, menu)
val contact = airaService.contacts[sessionId]
if (contact == null){
menu.findItem(R.id.delete_conversation).isVisible = false
menu.findItem(R.id.set_as_contact).isVisible = true
menu.findItem(R.id.remove_contact).isVisible = false
menu.findItem(R.id.verify).isVisible = false
} else {
menu.findItem(R.id.delete_conversation).isVisible = true
menu.findItem(R.id.set_as_contact).isVisible = false
menu.findItem(R.id.remove_contact).isVisible = true
menu.findItem(R.id.verify).isVisible = !contact.verified
}
return true
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return when (item.itemId) {
android.R.id.home -> {
finish()
true
}
R.id.session_info -> {
val contact = airaService.contacts[sessionId]
val session = airaService.sessions[sessionId]
val publicKey = contact?.publicKey ?: session?.peerPublicKey
val dialogView = layoutInflater.inflate(R.layout.dialog_info, null)
dialogView.findViewById<TextView>(R.id.text_fingerprint).text = StringUtils.beautifyFingerprint(generateFingerprint(publicKey!!))
if (session == null) {
dialogView.findViewById<LinearLayout>(R.id.online_fields).visibility = View.GONE
} else {
dialogView.findViewById<TextView>(R.id.text_ip).text = session.ip
dialogView.findViewById<TextView>(R.id.text_outgoing).text = getString(if (session.outgoing) {
R.string.outgoing
} else {
R.string.incoming
})
}
AlertDialog.Builder(this)
.setTitle(sessionName)
.setView(dialogView)
.setPositiveButton(R.string.ok, null)
.show()
true
}
R.id.set_as_contact -> {
if (airaService.setAsContact(sessionId, sessionName)) {
invalidateOptionsMenu()
displayIconTrustLevel(true, false)
}
true
}
R.id.remove_contact -> {
AlertDialog.Builder(this)
.setTitle(R.string.warning)
.setMessage(R.string.ask_remove_contact)
.setPositiveButton(R.string.delete) { _, _ ->
if (airaService.removeContact(sessionId)) {
invalidateOptionsMenu()
displayIconTrustLevel(false, false)
}
}
.setNegativeButton(R.string.cancel, null)
.show()
true
}
R.id.verify -> {
airaService.contacts[sessionId]?.let { contact ->
val localFingerprint = StringUtils.beautifyFingerprint(AIRADatabase.getIdentityFingerprint())
val peerFingerprint = StringUtils.beautifyFingerprint(generateFingerprint(contact.publicKey))
val dialogView = layoutInflater.inflate(R.layout.dialog_fingerprints, null)
dialogView.findViewById<TextView>(R.id.text_local_fingerprint).text = localFingerprint
dialogView.findViewById<TextView>(R.id.text_peer_fingerprint).text = peerFingerprint
AlertDialog.Builder(this)
.setTitle(R.string.verifying_contact)
.setView(dialogView)
.setPositiveButton(R.string.they_match) { _, _ ->
if (airaService.setVerified(sessionId)) {
invalidateOptionsMenu()
displayIconTrustLevel(true, true)
}
}
.setNegativeButton(R.string.cancel, null)
.show()
}
true
}
R.id.delete_conversation -> {
AlertDialog.Builder(this)
.setTitle(R.string.warning)
.setMessage(R.string.ask_delete_conversation)
.setPositiveButton(R.string.delete) { _, _ ->
if (airaService.deleteConversation(sessionId)) {
chatAdapter.clear()
}
}
.setNegativeButton(R.string.cancel, null)
.show()
true
}
else -> super.onOptionsItemSelected(item)
}
}
override fun onResume() {
super.onResume()
isActivityInForeground = true
if (::airaService.isInitialized) {
airaService.setSeen(sessionId, true)
airaService.isAppInBackground = false
}
}
override fun onPause() {
super.onPause()
isActivityInForeground = false
if (::airaService.isInitialized) {
airaService.isAppInBackground = true
}
}
private fun onClickSaveFile(fileName: String, rawUuid: ByteArray) {
FileUtils.openFileForDownload(this, fileName)?.apply {
AIRADatabase.loadFile(rawUuid)?.let {
write(it)
Toast.makeText(this@ChatActivity, R.string.file_saved, Toast.LENGTH_SHORT).show()
}
close()
}
}
}

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package sushi.hardcore.aira
import sushi.hardcore.aira.background_service.Protocol
class ChatItem(val outgoing: Boolean, val data: ByteArray) {
companion object {
const val MESSAGE = 0
const val FILE = 1
}
val itemType = if (data[0] == Protocol.MESSAGE) { MESSAGE } else { FILE }
}

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package sushi.hardcore.aira
import android.content.Context
import java.io.File
object Constants {
const val port = 7530
const val mDNSServiceName = "AIRA Node"
const val mDNSServiceType = "_aira._tcp"
const val fileSizeLimit = 32760000
const val MSG_LOADING_COUNT = 20
const val FILE_CHUNK_SIZE = 1023996
private const val databaseName = "AIRA.db"
fun getDatabaseFolder(context: Context): String {
return getDatabasePath(context).parent!!
}
fun getDatabasePath(context: Context): File {
return context.getDatabasePath(databaseName)
}
}

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package sushi.hardcore.aira
import android.content.Intent
import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import sushi.hardcore.aira.databinding.FragmentCreateIdentityBinding
class CreateIdentityFragment : Fragment() {
private external fun createNewIdentity(databaseFolder: String, name: String, password: ByteArray?): Boolean
companion object {
fun newInstance(): CreateIdentityFragment {
return CreateIdentityFragment()
}
}
private lateinit var binding: FragmentCreateIdentityBinding
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
binding = FragmentCreateIdentityBinding.inflate(inflater, container, false)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
binding.checkboxEnablePassword.setOnCheckedChangeListener { _, isChecked ->
if (isChecked) {
binding.editPassword.visibility = View.VISIBLE
binding.editPasswordConfirm.visibility = View.VISIBLE
} else {
binding.editPassword.visibility = View.GONE
binding.editPasswordConfirm.visibility = View.GONE
}
}
binding.buttonCreate.setOnClickListener {
val identityName = binding.editName.text.toString()
val password = binding.editPassword.text.toString().toByteArray()
if (password.isEmpty()) {
createIdentity(identityName, null)
} else {
val passwordConfirm = binding.editPasswordConfirm.text.toString().toByteArray()
if (password.contentEquals(passwordConfirm)) {
createIdentity(identityName, password)
} else {
Toast.makeText(activity, R.string.password_mismatch, Toast.LENGTH_SHORT).show()
}
passwordConfirm.fill(0)
password.fill(0)
}
}
}
private fun createIdentity(identityName: String, password: ByteArray?) {
val databaseFolder = Constants.getDatabaseFolder(requireContext())
if (createNewIdentity(
databaseFolder,
identityName,
password
)) {
val intent = Intent(activity, MainActivity::class.java)
intent.putExtra("identityName", identityName)
startActivity(intent)
activity?.finish()
} else {
Toast.makeText(activity, R.string.identity_create_failed, Toast.LENGTH_SHORT).show()
}
}
}

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package sushi.hardcore.aira
import android.content.Intent
import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import sushi.hardcore.aira.background_service.AIRAService
import java.io.File
class LoginActivity : AppCompatActivity() {
private external fun getIdentityName(databaseFolder: String): String?
companion object {
init {
System.loadLibrary("aira")
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_login)
val databaseFolder = Constants.getDatabaseFolder(this)
val dbFile = File(databaseFolder)
if (!dbFile.isDirectory) {
if (!dbFile.mkdir()) {
Toast.makeText(this, R.string.db_mkdir_failed, Toast.LENGTH_SHORT).show()
}
}
val isProtected = AIRADatabase.isIdentityProtected(databaseFolder)
val name = getIdentityName(databaseFolder)
if (AIRAService.isServiceRunning) {
startActivity(Intent(this, MainActivity::class.java))
finish()
} else if (name != null && !isProtected) {
if (AIRADatabase.loadIdentity(databaseFolder, null)) {
AIRADatabase.clearTemporaryFiles()
startMainActivity(name)
} else {
Toast.makeText(this, R.string.identity_load_failed, Toast.LENGTH_SHORT).show()
}
} else {
supportFragmentManager.beginTransaction()
.add(
R.id.fragment_container, if (name == null) {
CreateIdentityFragment.newInstance()
} else {
LoginFragment.newInstance(name)
}
)
.commit()
}
}
private fun startMainActivity(identityName: String?) {
val intent = Intent(this, MainActivity::class.java)
intent.putExtra("identityName", identityName)
startActivity(intent)
finish()
}
}

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package sushi.hardcore.aira
import android.content.Intent
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import android.widget.Toast
import androidx.fragment.app.Fragment
import sushi.hardcore.aira.databinding.FragmentLoginBinding
import sushi.hardcore.aira.widgets.TextAvatar
class LoginFragment : Fragment() {
companion object {
private const val NAME_ARG = "identityName"
fun newInstance(name: String): LoginFragment {
return LoginFragment().apply {
arguments = Bundle().apply { putString(NAME_ARG, name) }
}
}
}
private lateinit var binding: FragmentLoginBinding
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
binding = FragmentLoginBinding.inflate(inflater, container, false)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
arguments?.let { bundle ->
bundle.getString(NAME_ARG)?.let { name ->
view.findViewById<TextAvatar>(R.id.text_avatar).setLetterFrom(name)
view.findViewById<TextView>(R.id.text_identity_name).text = name
binding.buttonLogin.setOnClickListener {
if (AIRADatabase.loadIdentity(Constants.getDatabaseFolder(requireContext()), binding.editPassword.text.toString().toByteArray())) {
AIRADatabase.clearTemporaryFiles()
val intent = Intent(activity, MainActivity::class.java)
intent.putExtra("identityName", name)
startActivity(intent)
activity?.finish()
} else {
Toast.makeText(activity, R.string.identity_load_failed, Toast.LENGTH_SHORT).show()
}
}
}
}
}
}

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app/src/main/java/sushi/hardcore/aira/MainActivity.kt Normal file
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package sushi.hardcore.aira
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.content.ServiceConnection
import android.net.Uri
import android.os.Bundle
import android.os.IBinder
import android.provider.OpenableColumns
import android.view.Menu
import android.view.MenuItem
import android.widget.AdapterView
import android.widget.Toast
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
import sushi.hardcore.aira.adapters.Session
import sushi.hardcore.aira.adapters.SessionAdapter
import sushi.hardcore.aira.background_service.AIRAService
import sushi.hardcore.aira.background_service.ReceiveFileTransfer
import sushi.hardcore.aira.databinding.ActivityMainBinding
import sushi.hardcore.aira.utils.FileUtils
class MainActivity : AppCompatActivity() {
private lateinit var binding: ActivityMainBinding
private lateinit var airaService: AIRAService
private lateinit var onlineSessionAdapter: SessionAdapter
private lateinit var offlineSessionAdapter: SessionAdapter
private val uiCallbacks = object : AIRAService.UiCallbacks {
override fun onNewSession(sessionId: Int, ip: String) {
runOnUiThread {
handleNewSession(sessionId, ip)
}
}
override fun onSessionDisconnect(sessionId: Int) {
runOnUiThread {
onlineSessionAdapter.remove(sessionId)?.let { session ->
if (session.isContact) {
offlineSessionAdapter.add(session)
}
}
}
}
override fun onNameTold(sessionId: Int, name: String) {
runOnUiThread {
onlineSessionAdapter.setName(sessionId, name)
}
}
override fun onNewMessage(sessionId: Int, data: ByteArray): Boolean {
runOnUiThread {
onlineSessionAdapter.setSeen(sessionId, false)
}
return false
}
override fun onAskLargeFile(sessionId: Int, name: String, receiveFileTransfer: ReceiveFileTransfer): Boolean {
runOnUiThread {
receiveFileTransfer.ask(this@MainActivity, name)
}
return true
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
val identityName = intent.getStringExtra("identityName")
identityName?.let { title = it }
val openedToShareFile = intent.action == Intent.ACTION_SEND
onlineSessionAdapter = SessionAdapter(this)
binding.onlineSessions.apply {
adapter = onlineSessionAdapter
onItemClickListener = if (openedToShareFile) {
AdapterView.OnItemClickListener { _, _, position, _ ->
askShareFileTo(onlineSessionAdapter.getItem(position))
}
} else {
AdapterView.OnItemClickListener { _, _, position, _ ->
launchChatActivity(onlineSessionAdapter.getItem(position))
}
}
}
offlineSessionAdapter = SessionAdapter(this)
binding.offlineSessions.apply {
adapter = offlineSessionAdapter
onItemClickListener = if (openedToShareFile) {
AdapterView.OnItemClickListener { _, _, position, _ ->
askShareFileTo(offlineSessionAdapter.getItem(position))
}
} else {
AdapterView.OnItemClickListener { _, _, position, _ ->
launchChatActivity(offlineSessionAdapter.getItem(position))
}
}
}
Intent(this, AIRAService::class.java).also { serviceIntent ->
bindService(serviceIntent, object : ServiceConnection {
override fun onServiceConnected(name: ComponentName?, service: IBinder) {
val binder = service as AIRAService.AIRABinder
airaService = binder.getService()
airaService.uiCallbacks = uiCallbacks
airaService.isAppInBackground = false
loadContacts()
if (AIRAService.isServiceRunning) {
title = airaService.identityName
loadSessions()
} else {
airaService.identityName = identityName
startService(serviceIntent)
}
binding.refresher.setOnRefreshListener {
airaService.restartDiscovery()
binding.refresher.isRefreshing = false
}
}
override fun onServiceDisconnected(name: ComponentName?) {}
}, Context.BIND_AUTO_CREATE)
}
binding.editPeerIp.setOnEditorActionListener { _, _, _ ->
if (::airaService.isInitialized){
airaService.connectTo(binding.editPeerIp.text.toString())
}
binding.editPeerIp.text.clear()
true
}
}
override fun onCreateOptionsMenu(menu: Menu?): Boolean {
menuInflater.inflate(R.menu.main_activity, menu)
return true
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return when (item.itemId) {
R.id.settings -> {
startActivity(Intent(this, SettingsActivity::class.java))
true
}
R.id.close -> {
if (::airaService.isInitialized) {
AlertDialog.Builder(this)
.setTitle(R.string.warning)
.setMessage(R.string.ask_log_out)
.setPositiveButton(R.string.yes) { _, _ ->
airaService.logOut()
if (AIRADatabase.isIdentityProtected(Constants.getDatabaseFolder(this))) {
startActivity(Intent(this, LoginActivity::class.java))
}
finish()
}
.setNegativeButton(R.string.cancel, null)
.show()
}
true
}
else -> super.onOptionsItemSelected(item)
}
}
override fun onPause() {
super.onPause()
if (::airaService.isInitialized) {
airaService.isAppInBackground = true
}
}
override fun onResume() {
super.onResume()
if (::airaService.isInitialized) {
if (AIRAService.isServiceRunning) {
airaService.isAppInBackground = false
airaService.uiCallbacks = uiCallbacks //restoring callbacks
onlineSessionAdapter.reset()
offlineSessionAdapter.reset()
loadContacts()
loadSessions()
title = airaService.identityName
} else {
finish()
}
}
}
private fun loadContacts() {
for ((sessionId, contact) in airaService.contacts) {
offlineSessionAdapter.add(Session(sessionId, true, contact.verified, contact.seen, null, contact.name))
}
}
private fun loadSessions() {
for ((sessionId, session) in airaService.sessions) {
handleNewSession(sessionId, session.ip)
}
}
private fun handleNewSession(sessionId: Int, ip: String) {
val seen = !airaService.notSeen.contains(sessionId)
val contact = airaService.contacts[sessionId]
if (contact == null) {
onlineSessionAdapter.add(Session(sessionId, false, false, seen, ip, airaService.savedNames[sessionId]))
} else {
onlineSessionAdapter.add(Session(sessionId, true, contact.verified, seen, ip, contact.name))
offlineSessionAdapter.remove(sessionId)
}
}
private fun launchChatActivity(session: Session) {
startActivity(Intent(this, ChatActivity::class.java).apply {
putExtra("sessionId", session.sessionId)
putExtra("sessionName", session.name)
})
}
private fun askShareFileTo(session: Session) {
val uri = intent.getParcelableExtra<Uri>(Intent.EXTRA_STREAM)
if (uri == null) {
Toast.makeText(this, R.string.share_uri_null, Toast.LENGTH_SHORT).show()
} else {
val cursor = contentResolver.query(uri, null, null, null, null)
if (cursor == null) {
Toast.makeText(this, R.string.file_open_failed, Toast.LENGTH_SHORT).show()
} else {
if (cursor.moveToFirst()) {
val fileName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME))
val fileSize = cursor.getLong(cursor.getColumnIndex(OpenableColumns.SIZE))
val inputStream = contentResolver.openInputStream(uri)
if (inputStream == null) {
Toast.makeText(this, R.string.file_open_failed, Toast.LENGTH_SHORT).show()
} else {
AlertDialog.Builder(this)
.setTitle(R.string.warning)
.setMessage(getString(R.string.ask_send_file, fileName, FileUtils.formatSize(fileSize), session.name ?: session.ip))
.setPositiveButton(R.string.yes) { _, _ ->
airaService.sendFileTo(session.sessionId, fileName, fileSize, inputStream)
finish()
}
.setNegativeButton(R.string.cancel, null)
.show()
}
}
cursor.close()
}
}
}
}

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app/src/main/java/sushi/hardcore/aira/SettingsActivity.kt Normal file
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package sushi.hardcore.aira
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.content.ServiceConnection
import android.os.Bundle
import android.os.IBinder
import android.view.MenuItem
import android.view.View
import android.widget.EditText
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
import androidx.preference.EditTextPreference
import androidx.preference.Preference
import androidx.preference.PreferenceFragmentCompat
import sushi.hardcore.aira.background_service.AIRAService
import sushi.hardcore.aira.databinding.ActivityMainBinding
import sushi.hardcore.aira.databinding.ActivitySettingsBinding
import sushi.hardcore.aira.utils.StringUtils
class SettingsActivity: AppCompatActivity() {
class MySettingsFragment : PreferenceFragmentCompat() {
private lateinit var airaService: AIRAService
override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
setPreferencesFromResource(R.xml.preferences, rootKey)
val identityName = findPreference<EditTextPreference>("identityName")
Intent(activity, AIRAService::class.java).also { serviceIntent ->
activity?.bindService(serviceIntent, object : ServiceConnection {
override fun onServiceConnected(name: ComponentName?, service: IBinder) {
val binder = service as AIRAService.AIRABinder
airaService = binder.getService()
identityName?.text = airaService.identityName
}
override fun onServiceDisconnected(name: ComponentName?) {}
}, Context.BIND_AUTO_CREATE)
}
identityName?.setOnPreferenceChangeListener { _, newValue ->
if (airaService.changeName(newValue as String)) {
identityName.text = newValue
}
false
}
findPreference<Preference>("deleteIdentity")?.setOnPreferenceClickListener {
activity?.let { activity ->
AlertDialog.Builder(activity)
.setMessage(R.string.confirm_delete)
.setTitle(R.string.warning)
.setPositiveButton(R.string.ok) { _, _ ->
if (Constants.getDatabasePath(activity).delete()) {
airaService.logOut()
startActivity(Intent(activity, LoginActivity::class.java))
activity.finish()
}
}
.setNegativeButton(R.string.cancel, null)
.show()
}
false
}
findPreference<Preference>("identityPassword")?.setOnPreferenceClickListener {
activity?.let { activity ->
val dialogView = layoutInflater.inflate(R.layout.dialog_password, null)
val oldPasswordEditText = dialogView.findViewById<EditText>(R.id.old_password)
val isIdentityProtected = AIRADatabase.isIdentityProtected(Constants.getDatabaseFolder(activity))
if (!isIdentityProtected) {
oldPasswordEditText.visibility = View.GONE
}
val newPasswordEditText = dialogView.findViewById<EditText>(R.id.new_password)
val newPasswordConfirmEditText = dialogView.findViewById<EditText>(R.id.new_password_confirm)
AlertDialog.Builder(activity)
.setView(dialogView)
.setTitle(R.string.change_password)
.setPositiveButton(R.string.ok) { _, _ ->
val newPassword = newPasswordEditText.text.toString().toByteArray()
if (newPassword.isEmpty()) {
if (isIdentityProtected) { //don't change password if identity is not protected and new password is blank
changePassword(activity, isIdentityProtected, oldPasswordEditText, null)
}
} else {
val newPasswordConfirm = newPasswordConfirmEditText.text.toString().toByteArray()
if (newPassword.contentEquals(newPasswordConfirm)) {
changePassword(activity, isIdentityProtected, oldPasswordEditText, newPassword)
} else {
AlertDialog.Builder(activity)
.setMessage(R.string.password_mismatch)
.setTitle(R.string.error)
.setPositiveButton(R.string.ok, null)
.show()
}
newPassword.fill(0)
newPasswordConfirm.fill(0)
}
}
.setNegativeButton(R.string.cancel, null)
.show()
}
false
}
}
private fun changePassword(context: Context, isIdentityProtected: Boolean, oldPasswordEditText: EditText, newPassword: ByteArray?) {
val oldPassword = if (isIdentityProtected) {
oldPasswordEditText.text.toString().toByteArray()
} else {
null
}
if (!AIRADatabase.changePassword(Constants.getDatabaseFolder(context), oldPassword, newPassword)) {
AlertDialog.Builder(context)
.setMessage(R.string.change_password_failed)
.setTitle(R.string.error)
.setPositiveButton(R.string.ok, null)
.show()
}
oldPassword?.fill(0)
}
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return if (item.itemId == android.R.id.home) {
finish()
true
} else {
super.onOptionsItemSelected(item)
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val binding = ActivitySettingsBinding.inflate(layoutInflater)
setContentView(binding.root)
supportFragmentManager
.beginTransaction()
.replace(R.id.settings_container, MySettingsFragment())
.commit()
supportActionBar?.setDisplayHomeAsUpEnabled(true)
binding.textFingerprint.text = StringUtils.beautifyFingerprint(AIRADatabase.getIdentityFingerprint())
}
}

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app/src/main/java/sushi/hardcore/aira/adapters/ChatAdapter.kt Normal file
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package sushi.hardcore.aira.adapters
import android.content.Context
import android.graphics.PorterDuff
import android.graphics.PorterDuffColorFilter
import android.view.Gravity
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageButton
import android.widget.LinearLayout
import android.widget.TextView
import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.RecyclerView
import sushi.hardcore.aira.ChatItem
import sushi.hardcore.aira.R
class ChatAdapter(
private val context: Context,
private val onSavingFile: (filename: String, rawUuid: ByteArray) -> Unit
): RecyclerView.Adapter<RecyclerView.ViewHolder>() {
companion object {
const val BUBBLE_MARGIN = 70
}
private val inflater: LayoutInflater = LayoutInflater.from(context)
private val chatItems = mutableListOf<ChatItem>()
fun newMessage(chatItem: ChatItem) {
chatItems.add(chatItem)
notifyItemInserted(chatItems.size-1)
}
fun newLoadedMessage(chatItem: ChatItem) {
chatItems.add(0, chatItem)
notifyItemInserted(0)
}
fun clear() {
chatItems.clear()
notifyDataSetChanged()
}
internal open class BubbleViewHolder(private val context: Context, itemView: View): RecyclerView.ViewHolder(itemView) {
fun handleItemView(position: Int) {
if (position == 0) {
itemView.setPadding(itemView.paddingLeft, 50, itemView.paddingRight, itemView.paddingBottom)
}
}
fun setBubbleColor(bubble: View, outgoing: Boolean) {
if (outgoing) {
bubble.background.clearColorFilter()
} else {
bubble.background.colorFilter = PorterDuffColorFilter(ContextCompat.getColor(context, R.color.incomingBubbleBackground), PorterDuff.Mode.SRC)
}
}
}
internal class MessageViewHolder(context: Context, itemView: View): BubbleViewHolder(context, itemView) {
fun bind(chatItem: ChatItem, position: Int) {
itemView.findViewById<TextView>(R.id.text_message).apply {
text = chatItem.data.sliceArray(1 until chatItem.data.size).decodeToString()
layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT).apply {
if (chatItem.outgoing) {
gravity = Gravity.END
marginStart = BUBBLE_MARGIN
} else {
gravity = Gravity.START
marginEnd = BUBBLE_MARGIN
}
}
setBubbleColor(this, chatItem.outgoing)
}
handleItemView(position)
}
}
internal class FileViewHolder(context: Context, itemView: View): BubbleViewHolder(context, itemView) {
fun bind(chatItem: ChatItem, position: Int, onSavingFile: (filename: String, rawUuid: ByteArray) -> Unit) {
val filename = chatItem.data.sliceArray(17 until chatItem.data.size).decodeToString()
itemView.findViewById<TextView>(R.id.text_filename).text = filename
itemView.findViewById<ImageButton>(R.id.button_save).setOnClickListener {
onSavingFile(filename, chatItem.data.sliceArray(1 until 17))
}
itemView.findViewById<LinearLayout>(R.id.bubble_content).apply {
layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT).apply {
if (chatItem.outgoing) {
gravity = Gravity.END
marginStart = BUBBLE_MARGIN
} else {
gravity = Gravity.START
marginEnd = BUBBLE_MARGIN
}
}
setBubbleColor(this, chatItem.outgoing)
}
handleItemView(position)
}
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
return when (viewType) {
ChatItem.MESSAGE -> {
val view = inflater.inflate(R.layout.adapter_chat_message, parent, false)
MessageViewHolder(context, view)
}
ChatItem.FILE -> {
val view = inflater.inflate(R.layout.adapter_chat_file, parent, false)
FileViewHolder(context, view)
}
else -> throw RuntimeException("Invalid chat item type")
}
}
override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
val chatItem = chatItems[position]
when (chatItem.itemType) {
ChatItem.MESSAGE -> {
(holder as MessageViewHolder).bind(chatItem, position)
}
ChatItem.FILE -> {
(holder as FileViewHolder).bind(chatItem, position, onSavingFile)
}
}
}
override fun getItemCount(): Int {
return chatItems.size
}
override fun getItemViewType(position: Int): Int {
return chatItems[position].itemType
}
}

10
app/src/main/java/sushi/hardcore/aira/adapters/Session.kt Normal file
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package sushi.hardcore.aira.adapters
class Session(
val sessionId: Int,
val isContact: Boolean,
val isVerified: Boolean,
var seen: Boolean,
val ip: String?,
var name: String?
)

101
app/src/main/java/sushi/hardcore/aira/adapters/SessionAdapter.kt Normal file
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package sushi.hardcore.aira.adapters
import android.content.Context
import android.graphics.Color
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.BaseAdapter
import android.widget.ImageView
import android.widget.TextView
import sushi.hardcore.aira.R
import sushi.hardcore.aira.widgets.TextAvatar
class SessionAdapter(context: Context): BaseAdapter() {
private val sessions = mutableListOf<Session>()
private val inflater: LayoutInflater = LayoutInflater.from(context)
override fun getCount(): Int {
return sessions.size
}
override fun getItem(position: Int): Session {
return sessions[position]
}
override fun getItemId(position: Int): Long {
return 0
}
override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
val view: View = convertView ?: inflater.inflate(R.layout.adapter_session, parent, false)
val currentSession = getItem(position)
view.findViewById<TextView>(R.id.text_name).apply {
if (currentSession.name == null) {
text = currentSession.ip
setTextColor(Color.RED)
} else {
text = currentSession.name
setTextColor(Color.WHITE)
}
view.findViewById<TextAvatar>(R.id.text_avatar).setLetterFrom(text.toString())
}
view.findViewById<ImageView>(R.id.image_trust_level).apply {
if (currentSession.isVerified) {
setImageResource(R.drawable.ic_verified)
} else if (!currentSession.isContact) {
setImageResource(R.drawable.ic_warning)
} else {
setImageDrawable(null)
}
}
view.findViewById<ImageView>(R.id.image_seen).visibility = if (currentSession.seen) {
View.GONE
} else {
View.VISIBLE
}
return view
}
fun add(session: Session) {
sessions.add(session)
notifyDataSetChanged()
}
private fun getSessionById(sessionId: Int): Session? {
for (session in sessions){
if (session.sessionId == sessionId) {
return session
}
}
return null
}
fun remove(sessionId: Int): Session? {
getSessionById(sessionId)?.let {
sessions.remove(it)
notifyDataSetChanged()
return it
}
return null
}
fun setName(sessionId: Int, name: String) {
getSessionById(sessionId)?.let {
it.name = name
notifyDataSetChanged()
}
}
fun setSeen(sessionId: Int, seen: Boolean) {
getSessionById(sessionId)?.let {
it.seen = seen
notifyDataSetChanged()
}
}
fun reset() {
sessions.clear()
notifyDataSetChanged()
}
}

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app/src/main/java/sushi/hardcore/aira/background_service/AIRAService.kt Normal file
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package sushi.hardcore.aira.background_service
import android.app.*
import android.content.Context
import android.content.Intent
import android.net.nsd.NsdManager
import android.net.nsd.NsdServiceInfo
import android.os.*
import android.os.Process.THREAD_PRIORITY_BACKGROUND
import android.util.Log
import androidx.annotation.RequiresApi
import androidx.core.app.NotificationCompat
import androidx.core.app.NotificationManagerCompat
import androidx.core.app.RemoteInput
import sushi.hardcore.aira.*
import java.io.IOException
import java.io.InputStream
import java.net.*
import java.nio.ByteBuffer
import java.nio.channels.*
class AIRAService : Service() {
private external fun releaseIdentity()
companion object {
const val SERVICE_NOTIFICATION_CHANNEL_ID = "AIRAService"
const val MESSAGES_NOTIFICATION_CHANNEL_ID = "Messages"
const val ASK_FILE_TRANSFER_NOTIFICATION_CHANNEL_ID = "AskFile"
const val FILE_TRANSFER_NOTIFICATION_CHANNEL_ID = "FileTransfer"
const val MESSAGE_CONNECT_TO = 0
const val MESSAGE_SEND_TO = 1
const val MESSAGE_LOGOUT = 2
const val MESSAGE_TELL_NAME = 3
const val MESSAGE_CANCEL_FILE_TRANSFER = 4
var isServiceRunning = false
}
private val binder = AIRABinder()
val sessions = mutableMapOf<Int, Session>()
private var sessionCounter = 0
private var server: ServerSocketChannel? = null
private lateinit var selector: Selector
private val sessionIdByKey = mutableMapOf<SelectionKey, Int>()
private val notificationIdManager = NotificationIdManager()
private val sendFileTransfers = mutableMapOf<Int, SendFileTransfer>()
val receiveFileTransfers = mutableMapOf<Int, ReceiveFileTransfer>()
lateinit var contacts: HashMap<Int, Contact>
private lateinit var serviceHandler: Handler
private lateinit var notificationManager: NotificationManagerCompat
private lateinit var nsdManager: NsdManager
private val nsdRegistrationListener = object : NsdManager.RegistrationListener {
override fun onRegistrationFailed(serviceInfo: NsdServiceInfo?, errorCode: Int) {
Log.w("mDNS","DNS-SD registration failed: $errorCode")
}
override fun onUnregistrationFailed(serviceInfo: NsdServiceInfo?, errorCode: Int) {}
override fun onServiceRegistered(serviceInfo: NsdServiceInfo?) {}
override fun onServiceUnregistered(serviceInfo: NsdServiceInfo?) {}
}
private var shouldRestartDiscovery = false
private val nsdDiscoveryListener = object : NsdManager.DiscoveryListener {
override fun onStartDiscoveryFailed(serviceType: String?, errorCode: Int) {
Log.w("mDNS", "Failed to start discovery: $errorCode")
}
override fun onStopDiscoveryFailed(serviceType: String?, errorCode: Int) {}
override fun onDiscoveryStarted(serviceType: String?) {}
override fun onDiscoveryStopped(serviceType: String?) {
if (shouldRestartDiscovery) {
startDiscovery()
shouldRestartDiscovery = false
}
}
override fun onServiceFound(serviceInfo: NsdServiceInfo) {
nsdManager.resolveService(serviceInfo, object : NsdManager.ResolveListener {
override fun onResolveFailed(serviceInfo: NsdServiceInfo?, errorCode: Int) {}
override fun onServiceResolved(serviceInfo: NsdServiceInfo) {
if (isServiceRunning) {
connectTo(serviceInfo.host.hostAddress)
}
}
})
}
override fun onServiceLost(serviceInfo: NsdServiceInfo?) {}
}
val savedMsgs = mutableMapOf<Int, MutableList<ChatItem>>()
val savedNames = mutableMapOf<Int, String>()
val notSeen = mutableListOf<Int>()
var uiCallbacks: UiCallbacks? = null
var isAppInBackground = true
var identityName: String? = null
inner class AIRABinder : Binder() {
fun getService(): AIRAService = this@AIRAService
}
override fun onBind(intent: Intent?): IBinder {
return binder
}
interface UiCallbacks {
fun onNewSession(sessionId: Int, ip: String)
fun onSessionDisconnect(sessionId: Int)
fun onNameTold(sessionId: Int, name: String)
fun onNewMessage(sessionId: Int, data: ByteArray): Boolean
fun onAskLargeFile(sessionId: Int, name: String, receiveFileTransfer: ReceiveFileTransfer): Boolean
}
fun connectTo(ip: String) {
serviceHandler.obtainMessage().apply {
what = MESSAGE_CONNECT_TO
data = Bundle().apply { putString("ip", ip) }
serviceHandler.sendMessage(this)
}
}
fun sendTo(sessionId: Int, buffer: ByteArray) {
serviceHandler.obtainMessage().apply {
what = MESSAGE_SEND_TO
data = Bundle().apply {
putInt("sessionId", sessionId)
putByteArray("buff", buffer)
}
serviceHandler.sendMessage(this)
}
}
fun cancelFileTransfer(sessionId: Int) {
serviceHandler.obtainMessage().apply {
what = MESSAGE_CANCEL_FILE_TRANSFER
data = Bundle().apply { putInt("sessionId", sessionId) }
serviceHandler.sendMessage(this)
}
}
fun sendFileTo(sessionId: Int, fileName: String, fileSize: Long, inputStream: InputStream): ByteArray? {
if (fileSize <= Constants.fileSizeLimit) {
val buffer = inputStream.readBytes()
inputStream.close()
sendTo(sessionId, Protocol.newFile(fileName, buffer))
AIRADatabase.storeFile(contacts[sessionId]?.uuid, buffer)?.let { rawFileUuid ->
val msg = byteArrayOf(Protocol.FILE)+rawFileUuid+fileName.toByteArray()
saveMsg(sessionId, msg)
return msg
}
} else {
val fileTransfer = SendFileTransfer(fileName, fileSize, inputStream)
sendFileTransfers[sessionId] = fileTransfer
createFileTransferNotification(sessionId, fileTransfer)
sendTo(sessionId, Protocol.askLargeFile(fileSize, fileName))
}
return null
}
fun logOut() {
serviceHandler.sendEmptyMessage(MESSAGE_LOGOUT)
isServiceRunning = false
releaseIdentity()
}
fun isOnline(sessionId: Int): Boolean {
return sessions.contains(sessionId)
}
private fun getNameOf(sessionId: Int): String {
return contacts[sessionId]?.name ?: savedNames[sessionId] ?: sessions[sessionId]!!.ip
}
private fun isContact(sessionId: Int): Boolean {
return contacts.contains(sessionId)
}
fun setAsContact(sessionId: Int, name: String): Boolean {
sessions[sessionId]?.peerPublicKey?.let {
AIRADatabase.addContact(name, it)?.let { contact ->
contacts[sessionId] = contact
savedMsgs.remove(sessionId)?.let { msgs ->
for (msg in msgs) {
AIRADatabase.storeMsg(contact.uuid, msg.outgoing, msg.data)
}
}
savedNames.remove(sessionId)
return true
}
}
return false
}
fun setVerified(sessionId: Int): Boolean {
contacts[sessionId]?.let {
if (AIRADatabase.setVerified(it.uuid)) {
it.verified = true
return true
}
}
return false
}
fun setSeen(sessionId: Int, seen: Boolean) {
if (seen) {
notSeen.remove(sessionId)
notificationManager.cancel(notificationIdManager.getMessageNotificationId(sessionId))
} else if (!notSeen.contains(sessionId)) {
notSeen.add(sessionId)
}
contacts[sessionId]?.let { contact ->
if (contact.seen != seen) {
if (AIRADatabase.setContactSeen(contact.uuid, seen)) {
contact.seen = seen
}
}
}
}
fun removeContact(sessionId: Int): Boolean {
contacts.remove(sessionId)?.let {
return if (AIRADatabase.removeContact(it.uuid)) {
savedMsgs[sessionId] = mutableListOf()
savedNames[sessionId] = it.name
true
} else {
false
}
}
return false
}
fun deleteConversation(sessionId: Int): Boolean {
contacts[sessionId]?.let {
return if (AIRADatabase.deleteConversation(it.uuid)) {
savedMsgs[sessionId] = mutableListOf()
true
} else {
false
}
}
return true
}
fun changeName(newName: String): Boolean {
return if (AIRADatabase.changeName(newName)) {
identityName = newName
serviceHandler.sendEmptyMessage(MESSAGE_TELL_NAME)
true
} else {
false
}
}
private fun handleNewSocket(socket: SocketChannel, outgoing: Boolean) {
Thread {
try {
val session = Session(socket, outgoing)
if (session.doHandshake()) {
var isActuallyNewSession = true
for (s in sessions.values) {
if (s.peerPublicKey.contentEquals(session.peerPublicKey)) {
isActuallyNewSession = false
}
}
if (isActuallyNewSession && !session.peerPublicKey.contentEquals(AIRADatabase.getIdentityPublicKey())) {
var sessionId: Int? = null
for ((i, contact) in contacts) {
if (contact.publicKey.contentEquals(session.peerPublicKey)){
sessions[i] = session
sessionId = i
}
}
if (sessionId == null) {
sessions[sessionCounter] = session
savedMsgs[sessionCounter] = mutableListOf()
sessionId = sessionCounter
sessionCounter++
}
session.configureBlocking(false)
val key = session.register(selector, SelectionKey.OP_READ)
sessionIdByKey[key] = sessionId
uiCallbacks?.onNewSession(sessionId, session.ip)
if (!isContact(sessionId)) {
session.encryptAndSend(Protocol.askName())
}
} else {
session.close()
}
} else {
session.close()
}
} catch (e: IOException) {
e.printStackTrace()
}
}.start()
}
private fun sendNotification(sessionId: Int, msgContent: ByteArray) {
val name = getNameOf(sessionId)
val notificationBuilder = NotificationCompat.Builder(this, MESSAGES_NOTIFICATION_CHANNEL_ID)
.setCategory(NotificationCompat.CATEGORY_MESSAGE)
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(name)
.setContentText(
if (msgContent[0] == Protocol.MESSAGE) {
msgContent.decodeToString(1)
} else { //file
msgContent.decodeToString(17)
}
)
.setContentIntent(
PendingIntent.getActivity(this, 0, Intent(this, ChatActivity::class.java).apply {
putExtra("sessionId", sessionId)
putExtra("sessionName", name)
}, 0)
)
.setAutoCancel(true)
.setDefaults(Notification.DEFAULT_ALL)
.apply {
priority = NotificationCompat.PRIORITY_HIGH
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
val markReadIntent = PendingIntent.getBroadcast(this, 0,
Intent(this, NotificationBroadcastReceiver::class.java).apply {
val bundle = Bundle()
bundle.putBinder("binder", AIRABinder())
bundle.putInt("sessionId", sessionId)
putExtra("bundle", bundle)
action = NotificationBroadcastReceiver.ACTION_MARK_READ
}, PendingIntent.FLAG_UPDATE_CURRENT)
notificationBuilder.addAction(
NotificationCompat.Action(
R.drawable.ic_launcher,
getString(R.string.mark_read),
markReadIntent
)
)
val replyPendingIntent: PendingIntent =
PendingIntent.getBroadcast(this, 0,
Intent(this, NotificationBroadcastReceiver::class.java).apply {
val bundle = Bundle()
bundle.putBinder("binder", AIRABinder())
bundle.putInt("sessionId", sessionId)
putExtra("bundle", bundle)
action = NotificationBroadcastReceiver.ACTION_REPLY
}, PendingIntent.FLAG_UPDATE_CURRENT)
notificationBuilder.addAction(
NotificationCompat.Action.Builder(R.drawable.ic_launcher, getString(R.string.reply), replyPendingIntent)
.addRemoteInput(
RemoteInput.Builder(NotificationBroadcastReceiver.KEY_TEXT_REPLY)
.setLabel(getString(R.string.reply))
.build()
)
.build()
)
}
notificationManager.notify(notificationIdManager.getMessageNotificationId(sessionId), notificationBuilder.build())
}
private fun createFileTransferNotification(sessionId: Int, fileTransfer: FileTransfer) {
fileTransfer.notificationBuilder = NotificationCompat.Builder(this, FILE_TRANSFER_NOTIFICATION_CHANNEL_ID)
.setCategory(NotificationCompat.CATEGORY_PROGRESS)
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(getNameOf(sessionId))
.setContentText(fileTransfer.fileName)
.setOngoing(true)
.setProgress(fileTransfer.fileSize.toInt(), fileTransfer.transferred, true)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
val cancelIntent = PendingIntent.getBroadcast(this, 0,
Intent(this, NotificationBroadcastReceiver::class.java).apply {
val bundle = Bundle()
bundle.putBinder("binder", AIRABinder())
bundle.putInt("sessionId", sessionId)
putExtra("bundle", bundle)
action = NotificationBroadcastReceiver.ACTION_CANCEL_FILE_TRANSFER
}, PendingIntent.FLAG_UPDATE_CURRENT)
fileTransfer.notificationBuilder.addAction(
NotificationCompat.Action(
R.drawable.ic_launcher,
getString(R.string.cancel),
cancelIntent
)
)
}
fileTransfer.notificationId = notificationIdManager.getFileTransferNotificationId(sessionId)
notificationManager.notify(fileTransfer.notificationId, fileTransfer.notificationBuilder.build())
}
private fun saveMsg(sessionId: Int, msg: ByteArray) {
var msgSaved = false
contacts[sessionId]?.uuid?.let { uuid ->
msgSaved = AIRADatabase.storeMsg(uuid, true, msg)
}
if (!msgSaved) {
savedMsgs[sessionId]?.add(ChatItem(true, msg))
}
}
private fun sendAndSave(sessionId: Int, msg: ByteArray) {
sessions[sessionId]?.encryptAndSend(msg)
if (msg[0] == Protocol.MESSAGE) {
saveMsg(sessionId, msg)
}
}
override fun onCreate() {
HandlerThread("", THREAD_PRIORITY_BACKGROUND).apply {
start()
serviceHandler = object : Handler(looper){
override fun handleMessage(msg: Message) {
try {
when (msg.what) {
MESSAGE_SEND_TO -> {
val sessionId = msg.data.getInt("sessionId")
msg.data.getByteArray("buff")?.let {
val fileTransfer = sendFileTransfers[sessionId]
if (fileTransfer?.nextChunk == null) {
sendAndSave(sessionId, it)
} else {
fileTransfer.msgQueue.add(it)
}
}
}
MESSAGE_CONNECT_TO -> {
msg.data.getString("ip")?.let { ip ->
try {
val socket = SocketChannel.open()
if (socket.connect(InetSocketAddress(ip, Constants.port))) {
handleNewSocket(socket, true)
}
} catch (e: ConnectException) {
Log.w("Connect failed", e.message.toString())
return
}
}
}
MESSAGE_CANCEL_FILE_TRANSFER -> {
val sessionId = msg.data.getInt("sessionId")
sessions[sessionId]?.let { session ->
cancelFileTransfer(sessionId, session, true)
}
}
MESSAGE_TELL_NAME -> {
identityName?.let {
for (session in sessions.values) {
try {
session.encryptAndSend(Protocol.tellName(it))
} catch (e: SocketException) {
e.printStackTrace()
}
}
}
}
MESSAGE_LOGOUT -> {
nsdManager.unregisterService(nsdRegistrationListener)
stopDiscovery()
quit()
stopSelf()
uiCallbacks = null
for (session in sessions.values) {
session.close()
}
server?.close()
}
}
} catch (e: IOException) {
e.printStackTrace()
}
}
}
val contactList = AIRADatabase.loadContacts()
if (contactList == null) {
contacts = HashMap(0)
} else {
contacts = HashMap(contactList.size)
for (contact in contactList) {
contacts[sessionCounter] = contact
if (!contact.seen) {
notSeen.add(sessionCounter)
}
sessionCounter++
}
}
}
}
private fun encryptNextChunk(session: Session, fileTransfer: SendFileTransfer) {
val nextChunk = ByteArray(Constants.FILE_CHUNK_SIZE)
nextChunk[0] = Protocol.LARGE_FILE_CHUNK
val read = fileTransfer.inputStream.read(nextChunk, 1, Constants.FILE_CHUNK_SIZE-1)
fileTransfer.nextChunk = if (read > 0) {
session.encrypt(nextChunk)
} else {
null
}
}
private fun flushSendFileTransfer(sessionId: Int, session: Session, fileTransfer: SendFileTransfer) {
fileTransfer.nextChunk?.let {
session.writeAll(it)
while (fileTransfer.msgQueue.size > 0) {
val msg = fileTransfer.msgQueue.removeAt(0)
sendAndSave(sessionId, msg)
}
}
}
private fun cancelFileTransfer(sessionId: Int, session: Session, outgoing: Boolean) {
sendFileTransfers[sessionId]?.let {
it.inputStream.close()
it.onAborted(this, notificationManager, getNameOf(sessionId))
flushSendFileTransfer(sessionId, session, it)
sendFileTransfers.remove(sessionId)
}
receiveFileTransfers[sessionId]?.let {
it.outputStream?.close()
it.onAborted(this, notificationManager, getNameOf(sessionId))
receiveFileTransfers.remove(sessionId)
}
if (outgoing) {
session.encryptAndSend(Protocol.abortFileTransfer())
}
}
private fun startListening() {
server = try {
ServerSocketChannel.open().apply {
configureBlocking(false)
socket().bind(InetSocketAddress(Constants.port))
}
} catch (e: SocketException) {
Log.w("Bind failed", e.message.toString())
null
}
selector = Selector.open()
server?.register(selector, SelectionKey.OP_ACCEPT)
Thread {
while (isServiceRunning) {
selector.select(100) //timeout to stop this thread if we log out
val keys = selector.selectedKeys()
for (key in keys) {
if (key.isValid) {
if (key.isReadable) {
sessionIdByKey[key]?.let { sessionId ->
sessions[sessionId]?.let { session ->
var shouldCloseSession = false
try {
val buffer = session.receiveAndDecrypt()
if (buffer == null) {
shouldCloseSession = true
} else {
when (buffer[0]) {
Protocol.ASK_NAME -> {
identityName?.let { name ->
session.encryptAndSend(Protocol.tellName(name))
}
}
Protocol.TELL_NAME -> {
val name = buffer.sliceArray(1 until buffer.size).decodeToString()
uiCallbacks?.onNameTold(sessionId, name)
val contact = contacts[sessionId]
if (contact == null) {
savedNames[sessionId] = name
} else {
contact.name = name
AIRADatabase.changeContactName(contact.uuid, name)
}
}
Protocol.LARGE_FILE_CHUNK -> {
receiveFileTransfers[sessionId]?.let { fileTransfer ->
fileTransfer.outputStream?.let { outputStream ->
val chunk = buffer.sliceArray(1 until buffer.size)
try {
outputStream.write(chunk)
session.encryptAndSend(Protocol.ackChunk())
fileTransfer.transferred += chunk.size
if (fileTransfer.transferred >= fileTransfer.fileSize) {
outputStream.close()
receiveFileTransfers.remove(sessionId)
fileTransfer.onCompleted(this, notificationManager, getNameOf(sessionId))
} else {
fileTransfer.updateNotificationProgress(notificationManager)
}
} catch (e: IOException) {
cancelFileTransfer(sessionId)
}
}
}
}
Protocol.ACK_CHUNK -> {
sendFileTransfers[sessionId]?.let { fileTransfer ->
flushSendFileTransfer(sessionId, session, fileTransfer)
fileTransfer.transferred += fileTransfer.nextChunk?.size ?: 0
if (fileTransfer.transferred >= fileTransfer.fileSize) {
fileTransfer.inputStream.close()
sendFileTransfers.remove(sessionId)
fileTransfer.onCompleted(this, notificationManager, getNameOf(sessionId))
} else {
encryptNextChunk(session, fileTransfer)
fileTransfer.updateNotificationProgress(notificationManager)
}
}
}
Protocol.ABORT_FILE_TRANSFER -> cancelFileTransfer(sessionId, session, false)
Protocol.ACCEPT_LARGE_FILE -> {
sendFileTransfers[sessionId]?.let { fileTransfer ->
encryptNextChunk(session, fileTransfer)
fileTransfer.nextChunk?.let {
session.writeAll(it)
fileTransfer.transferred += fileTransfer.nextChunk?.size ?: 0
encryptNextChunk(session, fileTransfer)
}
}
}
Protocol.ASK_LARGE_FILE -> {
if (receiveFileTransfers[sessionId] == null) {
val fileSize = ByteBuffer.wrap(buffer.sliceArray(1..8)).long
val fileName = buffer.sliceArray(9 until buffer.size).decodeToString()
val fileTransfer = ReceiveFileTransfer(fileName, fileSize, { fileTransfer ->
createFileTransferNotification(sessionId, fileTransfer)
sendTo(sessionId, Protocol.acceptLargeFile())
}, {
receiveFileTransfers.remove(sessionId)
sendTo(sessionId, Protocol.abortFileTransfer())
notificationManager.cancel(notificationIdManager.getFileTransferNotificationId(sessionId))
})
receiveFileTransfers[sessionId] = fileTransfer
val name = getNameOf(sessionId)
var shouldSendNotification = true
if (!isAppInBackground) {
if (uiCallbacks?.onAskLargeFile(sessionId, name, fileTransfer) == true) {
shouldSendNotification = false
}
}
if (shouldSendNotification) {
val notificationBuilder = NotificationCompat.Builder(this, ASK_FILE_TRANSFER_NOTIFICATION_CHANNEL_ID)
.setCategory(NotificationCompat.CATEGORY_EVENT)
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(getString(R.string.download_file_request))
.setContentText(getString(R.string.want_to_send_a_file, name, ": $fileName"))
.setOngoing(true) //not cancelable
.setContentIntent(
PendingIntent.getActivity(this, 0, Intent(this, ChatActivity::class.java).apply {
putExtra("sessionId", sessionId)
putExtra("sessionName", name)
}, 0)
)
.setDefaults(Notification.DEFAULT_ALL)
.apply {
priority = NotificationCompat.PRIORITY_HIGH
}
notificationManager.notify(notificationIdManager.getFileTransferNotificationId(sessionId), notificationBuilder.build())
}
}
}
else -> {
when (buffer[0]){
Protocol.MESSAGE -> buffer
Protocol.FILE -> {
val filenameLen = ByteBuffer.wrap(ByteArray(2) +buffer.sliceArray(1..2)).int
val filename = buffer.sliceArray(3 until 3+filenameLen)
val rawFileUuid = AIRADatabase.storeFile(contacts[sessionId]?.uuid, buffer.sliceArray(3+filenameLen until buffer.size))
if (rawFileUuid == null) {
null
} else {
byteArrayOf(Protocol.FILE)+rawFileUuid+filename
}
}
else -> {
Log.i("Unknown message type", String.format("%02X", buffer[0]))
null
}
}?.let { handledMsg ->
var seen = false
uiCallbacks?.let { uiCallbacks ->
seen = uiCallbacks.onNewMessage(sessionId, handledMsg)
}
setSeen(sessionId, seen)
var msgSaved = false
contacts[sessionId]?.let { contact ->
msgSaved = AIRADatabase.storeMsg(contact.uuid, false, handledMsg)
}
if (!msgSaved){
savedMsgs[sessionId]?.add(ChatItem(false, handledMsg))
}
if (isAppInBackground) {
sendNotification(sessionId, handledMsg)
}
}
}
}
}
} catch (e: Exception) {
e.printStackTrace()
shouldCloseSession = true
}
if (shouldCloseSession) {
session.close()
key.cancel()
uiCallbacks?.onSessionDisconnect(sessionId)
sessions.remove(sessionId)
savedMsgs.remove(sessionId)
savedNames.remove(sessionId)
sendFileTransfers.remove(sessionId)?.notificationId?.let {
if (it != -1) {
notificationManager.cancel(it)
}
}
receiveFileTransfers.remove(sessionId)?.notificationId?.let {
if (it != -1) {
notificationManager.cancel(it)
}
}
}
}
}
} else if (key.isAcceptable) {
server?.accept()?.let {
handleNewSocket(it, false)
}
}
}
}
}
}.start()
}
fun restartDiscovery() {
shouldRestartDiscovery = true
stopDiscovery()
}
private fun stopDiscovery() {
nsdManager.stopServiceDiscovery(nsdDiscoveryListener)
}
private fun startDiscovery() {
nsdManager.discoverServices(Constants.mDNSServiceType, NsdManager.PROTOCOL_DNS_SD, nsdDiscoveryListener)
}
@RequiresApi(Build.VERSION_CODES.O)
private fun createNotificationChannels() {
notificationManager.createNotificationChannel(
NotificationChannel(
SERVICE_NOTIFICATION_CHANNEL_ID,
getString(R.string.service_name),
NotificationManager.IMPORTANCE_LOW
)
)
notificationManager.createNotificationChannel(
NotificationChannel(
MESSAGES_NOTIFICATION_CHANNEL_ID,
getString(R.string.msg_notification_channel_name),
NotificationManager.IMPORTANCE_HIGH
)
)
notificationManager.createNotificationChannel(
NotificationChannel(
ASK_FILE_TRANSFER_NOTIFICATION_CHANNEL_ID,
getString(R.string.ask_file_notification_channel),
NotificationManager.IMPORTANCE_HIGH
)
)
notificationManager.createNotificationChannel(
NotificationChannel(
FILE_TRANSFER_NOTIFICATION_CHANNEL_ID,
getString(R.string.file_transfers),
NotificationManager.IMPORTANCE_LOW
)
)
}
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
notificationManager = NotificationManagerCompat.from(this)
val notificationBuilder = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
createNotificationChannels()
Notification.Builder(this, SERVICE_NOTIFICATION_CHANNEL_ID)
} else {
@Suppress("Deprecation")
Notification.Builder(this)
}
val notification: Notification = notificationBuilder
.setContentTitle(getString(R.string.background_service))
.setSmallIcon(R.drawable.ic_launcher)
.setContentIntent(
PendingIntent.getActivity(this, 0, Intent(this, MainActivity::class.java), 0)
)
.build()
startForeground(1, notification)
val serviceInfo = NsdServiceInfo().apply {
serviceName = Constants.mDNSServiceName
serviceType = Constants.mDNSServiceType
port = Constants.port
}
nsdManager = getSystemService(Context.NSD_SERVICE) as NsdManager
try {
nsdManager.registerService(serviceInfo, NsdManager.PROTOCOL_DNS_SD, nsdRegistrationListener)
startDiscovery()
} catch (e: IllegalArgumentException) {
//can happen if service is restarted too quickly
}
startListening()
isServiceRunning = true
return START_STICKY
}
override fun onDestroy() {
isServiceRunning = false
}
}

8
app/src/main/java/sushi/hardcore/aira/background_service/ApplicationKeys.kt Normal file
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@ -0,0 +1,8 @@
package sushi.hardcore.aira.background_service
class ApplicationKeys(
val localKey: ByteArray,
val localIv: ByteArray,
val peerKey: ByteArray,
val peerIv: ByteArray,
)

3
app/src/main/java/sushi/hardcore/aira/background_service/Contact.kt Normal file
View File

@ -0,0 +1,3 @@
package sushi.hardcore.aira.background_service
class Contact(val uuid: String, val publicKey: ByteArray, var name: String, var verified: Boolean, var seen: Boolean)

39
app/src/main/java/sushi/hardcore/aira/background_service/FileTransfer.kt Normal file
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@ -0,0 +1,39 @@
package sushi.hardcore.aira.background_service
import android.content.Context
import androidx.core.app.NotificationCompat
import androidx.core.app.NotificationManagerCompat
import sushi.hardcore.aira.R
open class FileTransfer(val fileName: String, val fileSize: Long) {
var transferred = 0
lateinit var notificationBuilder: NotificationCompat.Builder
var notificationId = -1
fun updateNotificationProgress(notificationManager: NotificationManagerCompat) {
notificationBuilder.setProgress(fileSize.toInt(), transferred, false)
notificationManager.notify(notificationId, notificationBuilder.build())
}
private fun endNotification(context: Context, notificationManager: NotificationManagerCompat, sessionName: String, string: Int) {
notificationManager.notify(
notificationId,
NotificationCompat.Builder(context, AIRAService.FILE_TRANSFER_NOTIFICATION_CHANNEL_ID)
.setCategory(NotificationCompat.CATEGORY_EVENT)
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(sessionName)
.setContentText(context.getString(string))
.build()
)
}
fun onAborted(context: Context, notificationManager: NotificationManagerCompat, sessionName: String) {
if (::notificationBuilder.isInitialized) {
endNotification(context, notificationManager, sessionName, R.string.transfer_aborted)
}
}
fun onCompleted(context: Context, notificationManager: NotificationManagerCompat, sessionName: String) {
endNotification(context, notificationManager, sessionName, R.string.transfer_completed)
}
}

11
app/src/main/java/sushi/hardcore/aira/background_service/HandshakeKeys.kt Normal file
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@ -0,0 +1,11 @@
package sushi.hardcore.aira.background_service
class HandshakeKeys(
val localKey: ByteArray,
val localIv: ByteArray,
val localHandshakeTrafficSecret: ByteArray,
val peerKey: ByteArray,
val peerIv: ByteArray,
val peerHandshakeTrafficSecret: ByteArray,
val handshakeSecret: ByteArray
)

33
app/src/main/java/sushi/hardcore/aira/background_service/NotificationBroadcastReceiver.kt Normal file
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@ -0,0 +1,33 @@
package sushi.hardcore.aira.background_service
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import androidx.core.app.RemoteInput
class NotificationBroadcastReceiver: BroadcastReceiver() {
companion object {
const val ACTION_MARK_READ = "mark_read"
const val ACTION_CANCEL_FILE_TRANSFER = "cancel"
const val ACTION_REPLY = "reply"
const val KEY_TEXT_REPLY = "key_text_reply"
}
override fun onReceive(context: Context?, intent: Intent) {
intent.getBundleExtra("bundle")?.let { bundle ->
(bundle.getBinder("binder") as AIRAService.AIRABinder?)?.let { binder ->
val sessionId = bundle.getInt("sessionId")
val airaService = binder.getService()
when (intent.action) {
ACTION_MARK_READ -> airaService.setSeen(sessionId, true)
ACTION_CANCEL_FILE_TRANSFER -> airaService.cancelFileTransfer(sessionId)
ACTION_REPLY -> RemoteInput.getResultsFromIntent(intent)?.getString(KEY_TEXT_REPLY)?.let { reply ->
airaService.sendTo(sessionId, Protocol.newMessage(reply))
airaService.setSeen(sessionId, true)
}
else -> {}
}
}
}
}
}

46
app/src/main/java/sushi/hardcore/aira/background_service/NotificationIdManager.kt Normal file
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package sushi.hardcore.aira.background_service
class NotificationIdManager {
private enum class NotificationType {
MESSAGE,
FILE_TRANSFER
}
private inner class Notification(
val sessionId: Int,
val type: NotificationType
)
private val notificationIds = mutableMapOf<Int, Notification>()
private var lastNotificationId = 1 //got some bugs when starting before 1
private fun registerNewId(sessionId: Int, type: NotificationType): Int {
lastNotificationId++
notificationIds[lastNotificationId] = Notification(sessionId, type)
return lastNotificationId
}
fun getMessageNotificationId(sessionId: Int): Int {
for ((id, notification) in notificationIds) {
if (notification.sessionId == sessionId) {
if (notification.type == NotificationType.MESSAGE) {
return id
}
}
}
return registerNewId(sessionId, NotificationType.MESSAGE)
}
fun getFileTransferNotificationId(sessionId: Int): Int {
for ((id, notification) in notificationIds) {
if (notification.sessionId == sessionId) {
if (notification.type == NotificationType.FILE_TRANSFER) {
return id
}
}
}
return registerNewId(sessionId, NotificationType.FILE_TRANSFER)
}
}

49
app/src/main/java/sushi/hardcore/aira/background_service/Protocol.kt Normal file
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package sushi.hardcore.aira.background_service
import java.nio.ByteBuffer
class Protocol {
companion object {
const val MESSAGE: Byte = 0x00
const val ASK_NAME: Byte = 0x01
const val TELL_NAME: Byte = 0x02
const val FILE: Byte = 0x03
const val ASK_LARGE_FILE: Byte = 0x04
const val ACCEPT_LARGE_FILE: Byte = 0x05
const val LARGE_FILE_CHUNK: Byte = 0x06
const val ACK_CHUNK: Byte = 0x07
const val ABORT_FILE_TRANSFER: Byte = 0x08
fun askName(): ByteArray {
return byteArrayOf(ASK_NAME)
}
fun tellName(name: String): ByteArray {
return byteArrayOf(TELL_NAME)+name.toByteArray()
}
fun newMessage(msg: String): ByteArray {
return byteArrayOf(MESSAGE)+msg.toByteArray()
}
fun newFile(fileName: String, buffer: ByteArray): ByteArray {
return byteArrayOf(FILE)+ByteBuffer.allocate(2).putShort(fileName.length.toShort()).array()+fileName.toByteArray()+buffer
}
fun askLargeFile(fileSize: Long, fileName: String): ByteArray {
return byteArrayOf(ASK_LARGE_FILE)+ByteBuffer.allocate(8).putLong(fileSize).array()+fileName.toByteArray()
}
fun acceptLargeFile(): ByteArray {
return byteArrayOf(ACCEPT_LARGE_FILE)
}
fun abortFileTransfer(): ByteArray {
return byteArrayOf(ABORT_FILE_TRANSFER)
}
fun ackChunk(): ByteArray {
return byteArrayOf(ACK_CHUNK)
}
}
}

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app/src/main/java/sushi/hardcore/aira/background_service/ReceiveFileTransfer.kt Normal file
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package sushi.hardcore.aira.background_service
import android.annotation.SuppressLint
import android.app.AlertDialog
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import sushi.hardcore.aira.R
import sushi.hardcore.aira.utils.FileUtils
import java.io.OutputStream
class ReceiveFileTransfer(
fileName: String,
fileSize: Long,
private val onAccepted: (fileTransfer: ReceiveFileTransfer) -> Unit,
private val onAborted: () -> Unit,
): FileTransfer(fileName, fileSize) {
var shouldAsk = true
var outputStream: OutputStream? = null
@SuppressLint("SetTextI18n")
fun ask(activity: AppCompatActivity, senderName: String) {
val dialogView = activity.layoutInflater.inflate(R.layout.dialog_ask_file, null)
dialogView.findViewById<TextView>(R.id.text_title).text = activity.getString(R.string.want_to_send_a_file, senderName, ":")
dialogView.findViewById<TextView>(R.id.text_file_info).text = fileName+" ("+FileUtils.formatSize(fileSize)+")"
AlertDialog.Builder(activity)
.setTitle(R.string.download_file_request)
.setView(dialogView)
.setCancelable(false)
.setPositiveButton(R.string.download) { _, _ ->
outputStream = FileUtils.openFileForDownload(activity, fileName)
if (outputStream == null) {
onAborted()
} else {
onAccepted(this)
}
shouldAsk = false
}
.setNegativeButton(R.string.refuse) { _, _ ->
onAborted()
shouldAsk = false
}
.show()
}
}

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app/src/main/java/sushi/hardcore/aira/background_service/SendFileTransfer.kt Normal file
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package sushi.hardcore.aira.background_service
import java.io.InputStream
class SendFileTransfer(
fileName: String,
fileSize: Long,
val inputStream: InputStream
): FileTransfer(fileName, fileSize) {
var nextChunk: ByteArray? = null
val msgQueue = mutableListOf<ByteArray>()
}

275
app/src/main/java/sushi/hardcore/aira/background_service/Session.kt Normal file
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package sushi.hardcore.aira.background_service
import android.util.Log
import net.i2p.crypto.eddsa.EdDSAEngine
import net.i2p.crypto.eddsa.EdDSAPublicKey
import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable
import net.i2p.crypto.eddsa.spec.EdDSAPublicKeySpec
import org.whispersystems.curve25519.Curve25519
import sushi.hardcore.aira.AIRADatabase
import java.io.ByteArrayOutputStream
import java.nio.ByteBuffer
import java.nio.channels.*
import java.nio.channels.spi.SelectorProvider
import java.security.MessageDigest
import java.security.SecureRandom
import javax.crypto.AEADBadTagException
import javax.crypto.BadPaddingException
import javax.crypto.Cipher
import javax.crypto.spec.GCMParameterSpec
import javax.crypto.spec.SecretKeySpec
import kotlin.experimental.xor
class Session(private val socket: SocketChannel, val outgoing: Boolean): SelectableChannel() {
private external fun deriveHandshakeKeys(sharedSecret: ByteArray, handshakeHash: ByteArray, iAmBob: Boolean): HandshakeKeys
private external fun sign(input: ByteArray): ByteArray
private external fun computeHandshakeFinished(localHandshakeTrafficSecret: ByteArray, handshakeHash: ByteArray): ByteArray
private external fun verifyHandshakeFinished(peerHandshakeFinished: ByteArray, peerHandshakeTrafficSecret: ByteArray, handshakeHash: ByteArray): Boolean
private external fun deriveApplicationKeys(handshakeSecret: ByteArray, handshakeHash: ByteArray, iAmBob: Boolean): ApplicationKeys
companion object {
private const val RANDOM_LEN = 64
private const val PUBLIC_KEY_LEN = 32
private const val SIGNATURE_LEN = 64
private const val AES_TAG_LEN = 16
private const val IV_LEN = 12
private const val HASH_OUTPUT_LEN = 48
private const val handshakeBufferLen = (2*(RANDOM_LEN+PUBLIC_KEY_LEN))+SIGNATURE_LEN+AES_TAG_LEN
private const val CIPHER_TYPE = "AES/GCM/NoPadding"
private const val MESSAGE_LEN_LEN = 4
private const val PADDED_MAX_SIZE = 32768000
private const val MAX_RECV_SIZE = MESSAGE_LEN_LEN + PADDED_MAX_SIZE + AES_TAG_LEN
}
private val prng = SecureRandom()
private val handshakeSentBuff = ByteArrayOutputStream(handshakeBufferLen)
private val handshakeRecvBuff = ByteArrayOutputStream(handshakeBufferLen)
private val peerCipher = Cipher.getInstance(CIPHER_TYPE)
private val localCipher = Cipher.getInstance(CIPHER_TYPE)
private var peerCounter = 0L
private var localCounter = 0L
private lateinit var applicationKeys: ApplicationKeys
lateinit var peerPublicKey: ByteArray
val ip: String = socket.socket().inetAddress.hostAddress
private fun handshakeWrite(buffer: ByteArray) {
writeAll(buffer)
handshakeSentBuff.write(buffer)
}
private fun handshakeRead(buffer: ByteBuffer): Boolean {
return if (socket.read(buffer) == buffer.position()) {
handshakeRecvBuff.write(buffer.array())
true
} else {
false
}
}
private fun handshakeRead(buffer: ByteArray): Boolean {
return handshakeRead(ByteBuffer.wrap(buffer))
}
private fun hashHandshake(iAmBob: Boolean): ByteArray {
MessageDigest.getInstance("SHA-384").apply {
if (iAmBob) {
update(handshakeSentBuff.toByteArray())
update(handshakeRecvBuff.toByteArray())
} else {
update(handshakeRecvBuff.toByteArray())
update(handshakeSentBuff.toByteArray())
}
return digest()
}
}
private fun amIBob(): Boolean {
val s = handshakeSentBuff.toByteArray()
val r = handshakeRecvBuff.toByteArray()
for (i in s.indices) {
if (s[i] != r[i]) {
return s[i].toInt() and 0xff < r[i].toInt() and 0xff
}
}
throw SecurityException("Handshake buffers are identical")
}
private fun ivToNonce(iv: ByteArray, counter: Long): ByteArray {
val nonce = ByteArray(IV_LEN-Long.SIZE_BYTES)+ByteBuffer.allocate(Long.SIZE_BYTES).putLong(counter).array()
for (i in nonce.indices) {
nonce[i] = nonce[i] xor iv[i]
}
return nonce
}
fun doHandshake(): Boolean {
val randomBuffer = ByteArray(RANDOM_LEN)
prng.nextBytes(randomBuffer)
val curve25519Cipher = Curve25519.getInstance(Curve25519.BEST)
val keypair = curve25519Cipher.generateKeyPair()
handshakeWrite(randomBuffer+keypair.publicKey)
var recvBuffer = ByteBuffer.allocate(RANDOM_LEN+PUBLIC_KEY_LEN)
if (handshakeRead(recvBuffer)) {
val peerEphemeralPublicKey = recvBuffer.array().sliceArray(RANDOM_LEN until recvBuffer.capacity())
val sharedSecret = curve25519Cipher.calculateAgreement(peerEphemeralPublicKey, keypair.privateKey)
val iAmBob = amIBob() //mutual consensus for keys attribution
var handshakeHash = hashHandshake(iAmBob)
val handshakeKeys = deriveHandshakeKeys(sharedSecret, handshakeHash, iAmBob)
prng.nextBytes(randomBuffer)
handshakeWrite(randomBuffer)
if (handshakeRead(randomBuffer)) {
val localCipher = Cipher.getInstance(CIPHER_TYPE)
localCipher.init(Cipher.ENCRYPT_MODE, SecretKeySpec(handshakeKeys.localKey, "AES"), GCMParameterSpec(AES_TAG_LEN*8, ivToNonce(handshakeKeys.localIv, 0)))
handshakeWrite(localCipher.doFinal(AIRADatabase.getIdentityPublicKey()+sign(keypair.publicKey)))
recvBuffer = ByteBuffer.allocate(PUBLIC_KEY_LEN+SIGNATURE_LEN+AES_TAG_LEN)
if (handshakeRead(recvBuffer)) {
val peerCipher = Cipher.getInstance(CIPHER_TYPE)
peerCipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(handshakeKeys.peerKey, "AES"), GCMParameterSpec(AES_TAG_LEN*8, ivToNonce(handshakeKeys.peerIv, 0)))
val plainText: ByteArray
try {
plainText = peerCipher.doFinal(recvBuffer.array())
} catch (e: BadPaddingException) {
Log.w("BadPaddingException", ip)
return false
} catch (e: AEADBadTagException) {
Log.w("AEADBadTagException", ip)
return false
}
peerPublicKey = plainText.sliceArray(0 until PUBLIC_KEY_LEN)
val signature = plainText.sliceArray(PUBLIC_KEY_LEN until plainText.size)
val edDSAEngine = EdDSAEngine().apply {
initVerify(EdDSAPublicKey(EdDSAPublicKeySpec(peerPublicKey, EdDSANamedCurveTable.ED_25519_CURVE_SPEC)))
}
if (edDSAEngine.verifyOneShot(peerEphemeralPublicKey, signature)) {
handshakeHash = hashHandshake(iAmBob)
val handshakeFinished = computeHandshakeFinished(handshakeKeys.localHandshakeTrafficSecret, handshakeHash)
writeAll(handshakeFinished)
val peerHandshakeFinished = ByteBuffer.allocate(HASH_OUTPUT_LEN)
socket.read(peerHandshakeFinished)
if (verifyHandshakeFinished(peerHandshakeFinished.array(), handshakeKeys.peerHandshakeTrafficSecret, handshakeHash)){
applicationKeys = deriveApplicationKeys(handshakeKeys.handshakeSecret, handshakeHash, iAmBob)
handshakeSentBuff.reset()
handshakeRecvBuff.reset()
return true
} else {
Log.w("Handshake", "Final verification failed")
}
} else {
Log.w("Handshake", "Signature verification failed")
}
}
}
}
return false
}
private fun randomPad(input: ByteArray): ByteArray {
val encodedLen = ByteBuffer.allocate(MESSAGE_LEN_LEN).putInt(input.size).array()
val msgLen = input.size + MESSAGE_LEN_LEN
var len = 1000
while (len < msgLen) {
len *= 2
}
val padding = ByteArray(len-msgLen)
prng.nextBytes(padding)
return encodedLen + input + padding
}
private fun unpad(input: ByteArray): ByteArray {
val messageLen = ByteBuffer.wrap(input.sliceArray(0..MESSAGE_LEN_LEN)).int
return input.sliceArray(MESSAGE_LEN_LEN until MESSAGE_LEN_LEN+messageLen)
}
fun writeAll(buffer: ByteArray) {
val byteBuffer = ByteBuffer.wrap(buffer)
while (byteBuffer.remaining() > 0) {
socket.write(byteBuffer)
}
}
fun encrypt(plainText: ByteArray): ByteArray {
val padded = randomPad(plainText)
val rawMsgLen = ByteBuffer.allocate(MESSAGE_LEN_LEN).putInt(padded.size).array()
val nonce = ivToNonce(applicationKeys.localIv, localCounter)
localCounter++
localCipher.init(Cipher.ENCRYPT_MODE, SecretKeySpec(applicationKeys.localKey, "AES"), GCMParameterSpec(AES_TAG_LEN*8, nonce))
localCipher.updateAAD(rawMsgLen)
return rawMsgLen+localCipher.doFinal(padded)
}
fun encryptAndSend(plainText: ByteArray) {
writeAll(encrypt(plainText))
}
fun ByteArray.toHexString() = joinToString("") { "%02x".format(it) }
private fun readAll(buffer: ByteBuffer): Boolean {
while (buffer.position() != buffer.capacity()) {
try {
if (socket.read(buffer) < 0) {
return false
}
} catch (e: ClosedChannelException) {
return false
}
}
return true
}
fun receiveAndDecrypt(): ByteArray? {
val rawMessageLen = ByteBuffer.allocate(MESSAGE_LEN_LEN)
if (readAll(rawMessageLen)) {
rawMessageLen.position(0)
val messageLen = rawMessageLen.int + AES_TAG_LEN
if (messageLen in 1..MAX_RECV_SIZE) {
val cipherText = ByteBuffer.allocate(messageLen)
if (readAll(cipherText)) {
val nonce = ivToNonce(applicationKeys.peerIv, peerCounter)
peerCounter++
peerCipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(applicationKeys.peerKey, "AES"), GCMParameterSpec(AES_TAG_LEN*8, nonce))
rawMessageLen.position(0)
peerCipher.updateAAD(rawMessageLen)
try {
return unpad(peerCipher.doFinal(cipherText.array()))
} catch (e: AEADBadTagException) {
Log.w("AEADBadTagException", ip)
}
}
} else {
Log.w("Message too large", "$messageLen from $ip")
}
}
return null
}
override fun implCloseChannel() {
socket.close()
}
override fun provider(): SelectorProvider {
return socket.provider()
}
override fun validOps(): Int {
return socket.validOps()
}
override fun isRegistered(): Boolean {
return socket.isRegistered
}
override fun keyFor(sel: Selector?): SelectionKey {
return socket.keyFor(sel)
}
override fun register(sel: Selector?, ops: Int, att: Any?): SelectionKey {
return socket.register(sel, ops, att)
}
override fun configureBlocking(block: Boolean): SelectableChannel {
return socket.configureBlocking(block)
}
override fun isBlocking(): Boolean {
return socket.isBlocking
}
override fun blockingLock(): Any {
return socket.blockingLock()
}
}

52
app/src/main/java/sushi/hardcore/aira/utils/FileUtils.kt Normal file
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package sushi.hardcore.aira.utils
import android.content.ContentValues
import android.content.Context
import android.os.Environment
import android.provider.MediaStore
import android.webkit.MimeTypeMap
import java.io.File
import java.io.OutputStream
import java.text.DecimalFormat
import java.text.SimpleDateFormat
import java.util.*
import kotlin.math.pow
import kotlin.math.log10
object FileUtils {
private val units = arrayOf("B", "kB", "MB", "GB", "TB")
fun formatSize(size: Long): String {
if (size <= 0) {
return "0 B"
}
val digitGroups = (log10(size.toDouble()) / log10(1000.0)).toInt()
return DecimalFormat("#,##0.#").format(size / 1000.0.pow(digitGroups.toDouble())
) + " " + units[digitGroups]
}
fun openFileForDownload(context: Context, fileName: String): OutputStream? {
val fileExtension = fileName.substringAfterLast(".")
val dateExtension = SimpleDateFormat("yyyyMMddHHmmss", Locale.getDefault()).format(Date())
val datedFilename = if (fileName.contains(".")) {
val basename = fileName.substringBeforeLast(".")
"""${basename}_$dateExtension.$fileExtension"""
} else {
fileName + "_" + dateExtension
}
return if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
context.contentResolver.insert(
MediaStore.Downloads.EXTERNAL_CONTENT_URI,
ContentValues().apply {
put(MediaStore.Images.Media.TITLE, datedFilename)
put(MediaStore.Images.Media.DISPLAY_NAME, datedFilename)
put(MediaStore.Images.Media.MIME_TYPE, MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension))
}
)?.let {
context.contentResolver.openOutputStream(it)
}
} else {
@Suppress("Deprecation")
File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), datedFilename).outputStream()
}
}
}

12
app/src/main/java/sushi/hardcore/aira/utils/StringUtils.kt Normal file
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package sushi.hardcore.aira.utils
object StringUtils {
fun beautifyFingerprint(fingerprint: String): String {
val newFingerprint = StringBuilder(fingerprint.length+7)
for (i in 0..fingerprint.length-8 step 4) {
newFingerprint.append(fingerprint.slice(i until i+4)+" ")
}
newFingerprint.append(fingerprint.slice(fingerprint.length-4 until fingerprint.length))
return newFingerprint.toString()
}
}

38
app/src/main/java/sushi/hardcore/aira/widgets/TextAvatar.kt Normal file
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package sushi.hardcore.aira.widgets
import android.content.Context
import android.util.AttributeSet
import android.view.LayoutInflater
import android.widget.RelativeLayout
import android.widget.TextView
import sushi.hardcore.aira.R
class TextAvatar @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyle: Int = 0
) : RelativeLayout(context, attrs, defStyle) {
private val view = LayoutInflater.from(context).inflate(R.layout.text_avatar, this, true)
init {
attrs?.let {
val typedArray = context.obtainStyledAttributes(it, R.styleable.TextAvatar)
for (i in 0..typedArray.indexCount) {
val attr = typedArray.getIndex(i)
if (attr == R.styleable.TextAvatar_textSize) {
val textSize = typedArray.getDimension(attr, -1F)
if (textSize != -1F) {
view.findViewById<TextView>(R.id.text_letter).textSize = textSize
}
break
}
}
typedArray.recycle()
}
}
fun setLetterFrom(name: String) {
view.findViewById<TextView>(R.id.text_letter).text = name[0].toUpperCase().toString()
}
}

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app/src/main/native/.gitignore vendored Normal file
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Cargo.lock
target

31
app/src/main/native/Cargo.toml Normal file
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[package]
name = "aira"
version = "0.0.1"
authors = ["Hardcore Sushi <hardcore.sushi@disroot.org>"]
edition = "2018"
[target.'cfg(target_os="android")'.dependencies]
jni = { version = "0.19", default-features = false }
[lib]
crate-type = ["dylib"]
[dependencies]
rand-8 = {package = "rand", version = "0.8.3"}
rand-7 = {package = "rand", version = "0.7.3"}
lazy_static = "1.4.0"
rusqlite = {version = "0.25.1", features = ["bundled"]}
ed25519-dalek = "1" #for singing
x25519-dalek = "1.1" #for shared secret
sha2 = "0.9.3"
hkdf = "0.11.0"
aes-gcm = "0.9.0" #PSEC
aes-gcm-siv = "0.10.0" #Database
hmac = "0.11.0"
hex = "0.4.3"
strum_macros = "0.20.1" #display enums
uuid = {version = "0.8", features = ["v4"]}
scrypt = "0.7.0"
zeroize = "1.2.0"
log = "0.4.14"
android_log = "0.1.3"

13
app/src/main/native/build.sh Executable file
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#!/bin/bash
if [ -z ${ANDROID_NDK_HOME+x} ]; then
echo "Error: \$ANDROID_NDK_HOME is not defined."
else
export PATH=$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/:$PATH
declare -a androidABIs=("arm64-v8a" "armeabi-v7a")
declare -a targets=("aarch64-linux-android" "armv7-linux-androideabi")
for (( i=0; i < ${#targets[@]}; i++ )) do
cargo build --target ${targets[i]} --release
cp target/${targets[i]}/release/libaira.so ../jniLibs/${androidABIs[i]}/
done
fi

8
app/src/main/native/check.sh Executable file
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#!/bin/bash
if [ -z ${ANDROID_NDK_HOME+x} ]; then
echo "Error: \$ANDROID_NDK_HOME is not defined."
else
export PATH=$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/:$PATH
cargo check --target aarch64-linux-android
fi

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app/src/main/native/src/crypto.rs Normal file
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use std::convert::TryInto;
use hkdf::Hkdf;
use sha2::Sha384;
use hmac::{Hmac, Mac, NewMac};
use scrypt::{scrypt, Params};
use rand_8::{RngCore, rngs::OsRng};
use aes_gcm::{aead::Aead, NewAead, Nonce};
use aes_gcm_siv::Aes256GcmSiv;
use zeroize::Zeroize;
use strum_macros::Display;
use crate::utils::*;
pub const HASH_OUTPUT_LEN: usize = 48; //SHA384
const KEY_LEN: usize = 16;
pub const IV_LEN: usize = 12;
pub const AES_TAG_LEN: usize = 16;
pub const SALT_LEN: usize = 32;
const PASSWORD_HASH_LEN: usize = 32;
pub const MASTER_KEY_LEN: usize = 32;
fn hkdf_expand_label(key: &[u8], label: &str, context: Option<&[u8]>, okm: &mut [u8]) {
let hkdf = Hkdf::<Sha384>::from_prk(key).unwrap();
//can't set info conditionnally because of different array size
match context {
Some(context) => {
let info = [&(label.len() as u32).to_be_bytes(), label.as_bytes(), &(context.len() as u32).to_be_bytes(), context];
hkdf.expand_multi_info(&info, okm).unwrap();
}
None => {
let info = [&(label.len() as u32).to_be_bytes(), label.as_bytes()];
hkdf.expand_multi_info(&info, okm).unwrap();
}
};
}
pub struct HandshakeKeys {
pub local_key: [u8; KEY_LEN],
pub local_iv: [u8; IV_LEN],
pub local_handshake_traffic_secret: [u8; HASH_OUTPUT_LEN],
pub peer_key: [u8; KEY_LEN],
pub peer_iv: [u8; IV_LEN],
pub peer_handshake_traffic_secret: [u8; HASH_OUTPUT_LEN],
pub handshake_secret: [u8; HASH_OUTPUT_LEN],
}
impl HandshakeKeys {
pub fn derive_keys(shared_secret: [u8; 32], handshake_hash: [u8; HASH_OUTPUT_LEN], i_am_bob: bool) -> HandshakeKeys {
let (handshake_secret, _) = Hkdf::<Sha384>::extract(None, &shared_secret);
let local_label = "handshake".to_owned() + if i_am_bob {"i_am_bob"} else {"i_am_alice"};
let mut local_handshake_traffic_secret = [0; HASH_OUTPUT_LEN];
hkdf_expand_label(handshake_secret.as_slice(), &local_label, Some(&handshake_hash), &mut local_handshake_traffic_secret);
let peer_label = "handshake".to_owned() + if i_am_bob {"i_am_alice"} else {"i_am_bob"};
let mut peer_handshake_traffic_secret = [0; HASH_OUTPUT_LEN];
hkdf_expand_label(handshake_secret.as_slice(), &peer_label, Some(&handshake_hash), &mut peer_handshake_traffic_secret);
let mut local_handshake_key = [0; KEY_LEN];
hkdf_expand_label(&local_handshake_traffic_secret, "key", None, &mut local_handshake_key);
let mut local_handshake_iv = [0; IV_LEN];
hkdf_expand_label(&local_handshake_traffic_secret, "iv", None, &mut local_handshake_iv);
let mut peer_handshake_key = [0; KEY_LEN];
hkdf_expand_label(&peer_handshake_traffic_secret, "key", None, &mut peer_handshake_key);
let mut peer_handshake_iv = [0; IV_LEN];
hkdf_expand_label(&peer_handshake_traffic_secret,"iv", None, &mut peer_handshake_iv);
HandshakeKeys {
local_key: local_handshake_key,
local_iv: local_handshake_iv,
local_handshake_traffic_secret: local_handshake_traffic_secret,
peer_key: peer_handshake_key,
peer_iv: peer_handshake_iv,
peer_handshake_traffic_secret: peer_handshake_traffic_secret,
handshake_secret: to_array_48(handshake_secret.as_slice())
}
}
}
pub struct ApplicationKeys {
pub local_key: [u8; KEY_LEN],
pub local_iv: [u8; IV_LEN],
pub peer_key: [u8; KEY_LEN],
pub peer_iv: [u8; IV_LEN],
}
impl ApplicationKeys {
pub fn derive_keys(handshake_secret: [u8; HASH_OUTPUT_LEN], handshake_hash: [u8; HASH_OUTPUT_LEN], i_am_bob: bool) -> ApplicationKeys {
let mut derived_secret = [0; HASH_OUTPUT_LEN];
hkdf_expand_label(&handshake_secret, "derived", None, &mut derived_secret);
let (master_secret, _) = Hkdf::<Sha384>::extract(Some(&derived_secret), b"");
let local_label = "application".to_owned() + if i_am_bob {"i_am_bob"} else {"i_am_alice"};
let mut local_application_traffic_secret = [0; HASH_OUTPUT_LEN];
hkdf_expand_label(&master_secret, &local_label, Some(&handshake_hash), &mut local_application_traffic_secret);
let peer_label = "application".to_owned() + if i_am_bob {"i_am_alice"} else {"i_am_bob"};
let mut peer_application_traffic_secret = [0; HASH_OUTPUT_LEN];
hkdf_expand_label(&master_secret, &peer_label, Some(&handshake_hash), &mut peer_application_traffic_secret);
let mut local_application_key = [0; KEY_LEN];
hkdf_expand_label(&local_application_traffic_secret, "key", None, &mut local_application_key);
let mut local_application_iv = [0; IV_LEN];
hkdf_expand_label(&local_application_traffic_secret, "iv", None, &mut local_application_iv);
let mut peer_application_key = [0; KEY_LEN];
hkdf_expand_label(&peer_application_traffic_secret, "key", None, &mut peer_application_key);
let mut peer_application_iv = [0; IV_LEN];
hkdf_expand_label(&peer_application_traffic_secret,"iv", None, &mut peer_application_iv);
ApplicationKeys {
local_key: local_application_key,
local_iv: local_application_iv,
peer_key: peer_application_key,
peer_iv: peer_application_iv,
}
}
}
pub fn compute_handshake_finished(local_handshake_traffic_secret: [u8; HASH_OUTPUT_LEN], handshake_hash: [u8; HASH_OUTPUT_LEN]) -> [u8; HASH_OUTPUT_LEN] {
let mut finished_key = [0; HASH_OUTPUT_LEN];
hkdf_expand_label(&local_handshake_traffic_secret, "finished", None, &mut finished_key);
let mut hmac = Hmac::<Sha384>::new_from_slice(&finished_key).unwrap();
hmac.update(&handshake_hash);
hmac.finalize().into_bytes().as_slice().try_into().unwrap()
}
pub fn verify_handshake_finished(peer_handshake_finished: [u8; HASH_OUTPUT_LEN], peer_handshake_traffic_secret: [u8; HASH_OUTPUT_LEN], handshake_hash: [u8; HASH_OUTPUT_LEN]) -> bool {
let mut peer_finished_key = [0; HASH_OUTPUT_LEN];
hkdf_expand_label(&peer_handshake_traffic_secret, "finished", None, &mut peer_finished_key);
let mut hmac = Hmac::<Sha384>::new_from_slice(&peer_finished_key).unwrap();
hmac.update(&handshake_hash);
hmac.verify(&peer_handshake_finished).is_ok()
}
pub fn generate_fingerprint(public_key: &[u8]) -> String {
let mut raw_fingerprint = [0; 16];
Hkdf::<Sha384>::new(None, public_key).expand(&[], &mut raw_fingerprint).unwrap();
hex::encode(raw_fingerprint).to_uppercase()
}
pub fn generate_master_key() -> [u8; MASTER_KEY_LEN] {
let mut master_key = [0; MASTER_KEY_LEN];
OsRng.fill_bytes(&mut master_key);
master_key
}
pub fn encrypt_data(data: &[u8], master_key: &[u8]) -> Result<Vec<u8>, CryptoError> {
if master_key.len() != MASTER_KEY_LEN {
return Err(CryptoError::InvalidLength);
}
let cipher = Aes256GcmSiv::new_from_slice(master_key).unwrap();
let mut iv = [0; IV_LEN];
OsRng.fill_bytes(&mut iv); //use it for IV for now
let mut cipher_text = iv.to_vec();
cipher_text.extend(cipher.encrypt(Nonce::from_slice(&iv), data).unwrap());
Ok(cipher_text)
}
#[derive(Display, Debug, PartialEq, Eq)]
pub enum CryptoError {
DecryptionFailed,
InvalidLength
}
pub fn decrypt_data(data: &[u8], master_key: &[u8]) -> Result<Vec<u8>, CryptoError> {
if data.len() <= IV_LEN || master_key.len() != MASTER_KEY_LEN {
return Err(CryptoError::InvalidLength);
}
let cipher = Aes256GcmSiv::new_from_slice(master_key).unwrap();
match cipher.decrypt(Nonce::from_slice(&data[..IV_LEN]), &data[IV_LEN..]) {
Ok(data) => {
Ok(data)
},
Err(_) => Err(CryptoError::DecryptionFailed)
}
}
fn scrypt_params() -> Params {
Params::new(16, 8, 1).unwrap()
}
pub fn encrypt_master_key(mut master_key: [u8; MASTER_KEY_LEN], password: &[u8]) -> (
[u8; SALT_LEN], //salt
[u8; IV_LEN+MASTER_KEY_LEN+AES_TAG_LEN] //encrypted masterkey with IV
) {
let mut salt = [0; SALT_LEN];
OsRng.fill_bytes(&mut salt);
let mut password_hash = [0; PASSWORD_HASH_LEN];
scrypt(password, &salt, &scrypt_params(), &mut password_hash).unwrap();
let mut output = [0; IV_LEN+MASTER_KEY_LEN+AES_TAG_LEN];
OsRng.fill_bytes(&mut output); //use it for IV for now
let cipher = Aes256GcmSiv::new_from_slice(&password_hash).unwrap();
let encrypted_master_key = cipher.encrypt(Nonce::from_slice(&output[..IV_LEN]), master_key.as_ref()).unwrap();
master_key.zeroize();
password_hash.zeroize();
encrypted_master_key.into_iter().enumerate().for_each(|i|{
output[IV_LEN+i.0] = i.1; //append encrypted master key to IV
});
(salt, output)
}
pub fn decrypt_master_key(encrypted_master_key: &[u8], password: &[u8], salt: &[u8]) -> Result<[u8; MASTER_KEY_LEN], CryptoError> {
if encrypted_master_key.len() != IV_LEN+MASTER_KEY_LEN+AES_TAG_LEN || salt.len() != SALT_LEN {
return Err(CryptoError::InvalidLength);
}
let mut password_hash = [0; PASSWORD_HASH_LEN];
scrypt(password, salt, &scrypt_params(), &mut password_hash).unwrap();
let cipher = Aes256GcmSiv::new_from_slice(&password_hash).unwrap();
let result = match cipher.decrypt(Nonce::from_slice(&encrypted_master_key[..IV_LEN]), &encrypted_master_key[IV_LEN..]) {
Ok(master_key) => {
if master_key.len() == MASTER_KEY_LEN {
Ok(master_key.try_into().unwrap())
} else {
return Err(CryptoError::InvalidLength)
}
},
Err(_) => Err(CryptoError::DecryptionFailed)
};
password_hash.zeroize();
result
}

469
app/src/main/native/src/identity.rs Normal file
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use std::{convert::TryInto, path::Path};
use crypto::CryptoError;
use ed25519_dalek::{Keypair, Signer, SIGNATURE_LENGTH, PUBLIC_KEY_LENGTH};
use rusqlite::{Connection, params};
use utils::to_uuid_bytes;
use uuid::Uuid;
use zeroize::Zeroize;
use crate::{crypto, key_value_table::KeyValueTable, print_error, utils};
const DB_NAME: &str = "AIRA.db";
const MAIN_TABLE: &str = "main";
const CONTACTS_TABLE: &str = "contacts";
const FILES_TABLE: &str = "files";
const DATABASE_CORRUPED_ERROR: &str = "Database corrupted";
struct DBKeys;
impl<'a> DBKeys {
pub const NAME: &'a str = "name";
pub const KEYPAIR: &'a str = "keypair";
pub const SALT: &'a str = "salt";
pub const MASTER_KEY: &'a str = "master_key";
}
fn bool_to_byte(b: bool) -> u8 {
if b { 75 } else { 30 } //completely arbitrary values
}
fn byte_to_bool(b: u8) -> Result<bool, ()> {
if b == 75 {
Ok(true)
} else if b == 30 {
Ok(false)
} else {
Err(())
}
}
fn get_database_path(database_folder: &str) -> String {
Path::new(database_folder).join(DB_NAME).to_str().unwrap().to_owned()
}
struct EncryptedIdentity {
name: String,
encrypted_keypair: Vec<u8>,
salt: Vec<u8>,
encrypted_master_key: Vec<u8>
}
pub struct Contact {
pub uuid: Uuid,
pub public_key: [u8; PUBLIC_KEY_LENGTH],
pub name: String,
pub verified: bool,
pub seen: bool,
}
pub struct Identity {
pub name: String,
keypair: Keypair,
pub master_key: [u8; crypto::MASTER_KEY_LEN],
database_folder: String,
}
impl Identity {
pub fn sign(&self, input: &[u8]) -> [u8; SIGNATURE_LENGTH] {
self.keypair.sign(input).to_bytes()
}
pub fn get_public_key(&self) -> [u8; PUBLIC_KEY_LENGTH] {
self.keypair.public.to_bytes()
}
fn get_database_path(&self) -> String {
get_database_path(&self.database_folder)
}
pub fn add_contact(&self, name: String, public_key: [u8; PUBLIC_KEY_LENGTH]) -> Result<Contact, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
db.execute(&("CREATE TABLE IF NOT EXISTS ".to_owned()+CONTACTS_TABLE+"(uuid BLOB PRIMARY KEY, name BLOB, key BLOB, verified BLOB, seen BLOB)"), [])?;
let contact_uuid = Uuid::new_v4();
let encrypted_name = crypto::encrypt_data(name.as_bytes(), &self.master_key).unwrap();
let encrypted_public_key = crypto::encrypt_data(&public_key, &self.master_key).unwrap();
let encrypted_verified = crypto::encrypt_data(&[bool_to_byte(false)], &self.master_key).unwrap();
let encrypted_seen = crypto::encrypt_data(&[bool_to_byte(true)], &self.master_key).unwrap();
db.execute(&("INSERT INTO ".to_owned()+CONTACTS_TABLE+" (uuid, name, key, verified, seen) VALUES (?1, ?2, ?3, ?4, ?5)"), params![&contact_uuid.as_bytes()[..], encrypted_name, encrypted_public_key, encrypted_verified, encrypted_seen])?;
Ok(Contact {
uuid: contact_uuid,
public_key: public_key,
name: name,
verified: false,
seen: true,
})
}
pub fn remove_contact(&self, uuid: &Uuid) -> Result<usize, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
self.delete_conversation(uuid)?;
db.execute(&("DELETE FROM ".to_owned()+CONTACTS_TABLE+" WHERE uuid=?"), [&uuid.as_bytes()[..]])
}
pub fn set_verified(&self, uuid: &Uuid) -> Result<usize, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
let encrypted_verified = crypto::encrypt_data(&[bool_to_byte(true)], &self.master_key).unwrap();
db.execute(&format!("UPDATE {} SET verified=?1 WHERE uuid=?2", CONTACTS_TABLE), [encrypted_verified.as_slice(), &uuid.as_bytes()[..]])
}
pub fn change_contact_name(&self, uuid: &Uuid, new_name: &str) -> Result<usize, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
let encrypted_name = crypto::encrypt_data(new_name.as_bytes(), &self.master_key).unwrap();
db.execute(&format!("UPDATE {} SET name=?1 WHERE uuid=?2", CONTACTS_TABLE), [encrypted_name.as_slice(), uuid.as_bytes()])
}
pub fn set_contact_seen(&self, uuid: &Uuid, seen: bool) -> Result<usize, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
let encrypted_seen = crypto::encrypt_data(&[bool_to_byte(seen)], &self.master_key).unwrap();
db.execute(&format!("UPDATE {} SET seen=?1 WHERE uuid=?2", CONTACTS_TABLE), [encrypted_seen.as_slice(), uuid.as_bytes()])
}
pub fn load_contacts(&self) -> Option<Vec<Contact>> {
match Connection::open(self.get_database_path()) {
Ok(db) => {
match db.prepare(&("SELECT uuid, name, key, verified, seen FROM ".to_owned()+CONTACTS_TABLE)) {
Ok(mut stmt) => {
let mut rows = stmt.query([]).unwrap();
let mut contacts = Vec::new();
while let Some(row) = rows.next().unwrap() {
let encrypted_public_key: Vec<u8> = row.get(2).unwrap();
match crypto::decrypt_data(encrypted_public_key.as_slice(), &self.master_key) {
Ok(public_key) => {
if public_key.len() == PUBLIC_KEY_LENGTH {
let encrypted_name: Vec<u8> = row.get(1).unwrap();
match crypto::decrypt_data(encrypted_name.as_slice(), &self.master_key) {
Ok(name) => {
let encrypted_verified: Vec<u8> = row.get(3).unwrap();
match crypto::decrypt_data(encrypted_verified.as_slice(), &self.master_key) {
Ok(verified) => {
let encrypted_seen: Vec<u8> = row.get(4).unwrap();
match crypto::decrypt_data(encrypted_seen.as_slice(), &self.master_key) {
Ok(seen) => {
let uuid: Vec<u8> = row.get(0).unwrap();
match to_uuid_bytes(&uuid) {
Some(uuid_bytes) => {
contacts.push(Contact {
uuid: Uuid::from_bytes(uuid_bytes),
public_key: public_key.try_into().unwrap(),
name: std::str::from_utf8(name.as_slice()).unwrap().to_owned(),
verified: byte_to_bool(verified[0]).unwrap(),
seen: byte_to_bool(seen[0]).unwrap(),
})
}
None => {}
}
}
Err(e) => print_error!(e)
}
}
Err(e) => print_error!(e)
}
}
Err(e) => print_error!(e)
}
} else {
print_error!("Invalid public key length: database corrupted");
}
}
Err(e) => print_error!(e)
}
}
Some(contacts)
}
Err(e) => {
print_error!(e);
None
}
}
}
Err(e) => {
print_error!(e);
None
}
}
}
pub fn clear_temporary_files(&self) -> Result<usize, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
db.execute(&format!("DELETE FROM {} WHERE contact_uuid IS NULL", FILES_TABLE), [])
}
pub fn load_file(&self, uuid: Uuid) -> Option<Vec<u8>> {
match Connection::open(self.get_database_path()) {
Ok(db) => {
match db.prepare(&format!("SELECT uuid, data FROM \"{}\"", FILES_TABLE)) {
Ok(mut stmt) => {
let mut rows = stmt.query([]).unwrap();
while let Some(row) = rows.next().unwrap() {
let encrypted_uuid: Vec<u8> = row.get(0).unwrap();
match crypto::decrypt_data(encrypted_uuid.as_slice(), &self.master_key){
Ok(test_uuid) => {
if test_uuid == uuid.as_bytes() {
let encrypted_data: Vec<u8> = row.get(1).unwrap();
match crypto::decrypt_data(encrypted_data.as_slice(), &self.master_key) {
Ok(data) => return Some(data),
Err(e) => print_error!(e)
}
}
}
Err(e) => print_error!(e)
}
}
None
}
Err(e) => {
print_error!(e);
None
}
}
}
Err(e) => {
print_error!(e);
None
}
}
}
pub fn store_file(&self, contact_uuid: Option<Uuid>, data: &[u8]) -> Result<Uuid, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
db.execute(&format!("CREATE TABLE IF NOT EXISTS \"{}\" (contact_uuid BLOB, uuid BLOB, data BLOB)", FILES_TABLE), [])?;
let file_uuid = Uuid::new_v4();
let encrypted_uuid = crypto::encrypt_data(file_uuid.as_bytes(), &self.master_key).unwrap();
let encrypted_data = crypto::encrypt_data(data, &self.master_key).unwrap();
let query = format!("INSERT INTO \"{}\" (contact_uuid, uuid, data) VALUES (?1, ?2, ?3)", FILES_TABLE);
match contact_uuid {
Some(uuid) => db.execute(&query, params![&uuid.as_bytes()[..], &encrypted_uuid, &encrypted_data])?,
None => db.execute(&query, params![None as Option<Vec<u8>>, &encrypted_uuid, &encrypted_data])?
};
Ok(file_uuid)
}
pub fn store_msg(&self, contact_uuid: &Uuid, outgoing: bool, data: &[u8]) -> Result<usize, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
db.execute(&format!("CREATE TABLE IF NOT EXISTS \"{}\" (outgoing BLOB, data BLOB)", contact_uuid), [])?;
let outgoing_byte: u8 = bool_to_byte(outgoing);
let encrypted_outgoing = crypto::encrypt_data(&[outgoing_byte], &self.master_key).unwrap();
let encrypted_data = crypto::encrypt_data(data, &self.master_key).unwrap();
db.execute(&format!("INSERT INTO \"{}\" (outgoing, data) VALUES (?1, ?2)", contact_uuid), params![encrypted_outgoing, encrypted_data])
}
pub fn load_msgs(&self, contact_uuid: &Uuid, offset: usize, mut count: usize) -> Option<Vec<(bool, Vec<u8>)>> {
match Connection::open(self.get_database_path()) {
Ok(db) => {
match db.prepare(&format!("SELECT count(*) FROM \"{}\"", contact_uuid)) {
Ok(mut stmt) => {
let mut rows = stmt.query([]).unwrap();
let row = rows.next().unwrap();
if row.is_some() {
let total: usize = row.unwrap().get(0).unwrap();
if offset >= total {
print_error!("Offset larger than total numbers of rows");
None
} else {
if offset+count >= total {
count = total-offset;
}
match db.prepare(&format!("SELECT outgoing, data FROM \"{}\" LIMIT {} OFFSET {}", contact_uuid, count, total-offset-count)) {
Ok(mut stmt) => {
let mut rows = stmt.query([]).unwrap();
let mut msgs = Vec::new();
while let Some(row) = rows.next().unwrap() {
let encrypted_outgoing: Vec<u8> = row.get(0).unwrap();
match crypto::decrypt_data(encrypted_outgoing.as_slice(), &self.master_key){
Ok(outgoing) => {
match byte_to_bool(outgoing[0]) {
Ok(outgoing) => {
let encrypted_data: Vec<u8> = row.get(1).unwrap();
match crypto::decrypt_data(encrypted_data.as_slice(), &self.master_key) {
Ok(data) => {
msgs.push(
(
outgoing,
data
)
)
},
Err(e) => print_error!(e)
}
}
Err(_) => {}
}
}
Err(e) => print_error!(e)
}
}
Some(msgs)
}
Err(e) => {
print_error!(e);
None
}
}
}
} else {
None
}
}
Err(e) => {
print_error!(e);
None
}
}
}
Err(e) => {
print_error!(e);
None
}
}
}
#[allow(unused_must_use)]
pub fn delete_conversation(&self, contact_uuid: &Uuid) -> Result<usize, rusqlite::Error> {
let db = Connection::open(self.get_database_path())?;
db.execute(&format!("DELETE FROM {} WHERE contact_uuid=?", FILES_TABLE), &[&contact_uuid.as_bytes()[..]]);
db.execute(&format!("DROP TABLE IF EXISTS \"{}\"", contact_uuid), [])
}
pub fn change_name(&mut self, new_name: String) -> Result<usize, rusqlite::Error> {
let db = KeyValueTable::new(&self.get_database_path(), MAIN_TABLE)?;
let result = db.update(DBKeys::NAME, new_name.as_bytes());
if result.is_ok() {
self.name = new_name;
}
result
}
pub fn zeroize(&mut self){
self.master_key.zeroize();
self.keypair.secret.zeroize();
}
fn load_encrypted_identity(database_folder: &str) -> Result<EncryptedIdentity, rusqlite::Error> {
let db = KeyValueTable::new(&get_database_path(database_folder), MAIN_TABLE)?;
let name = db.get(DBKeys::NAME)?;
let encrypted_keypair = db.get(DBKeys::KEYPAIR)?;
let salt = db.get(DBKeys::SALT)?;
let encrypted_master_key = db.get(DBKeys::MASTER_KEY)?;
Ok(EncryptedIdentity {
name: std::str::from_utf8(&name).unwrap().to_owned(),
encrypted_keypair,
salt,
encrypted_master_key,
})
}
pub fn load_identity(database_folder: String, password: Option<&[u8]>) -> Result<Identity, String> {
match Identity::load_encrypted_identity(&database_folder) {
Ok(encrypted_identity) => {
let master_key: [u8; crypto::MASTER_KEY_LEN] = if password.is_none() {
if encrypted_identity.encrypted_master_key.len() == crypto::MASTER_KEY_LEN {
encrypted_identity.encrypted_master_key.try_into().unwrap()
} else {
return Err(String::from(DATABASE_CORRUPED_ERROR))
}
} else {
match crypto::decrypt_master_key(&encrypted_identity.encrypted_master_key, password.unwrap(), &encrypted_identity.salt) {
Ok(master_key) => master_key,
Err(e) => return Err(
match e {
CryptoError::DecryptionFailed => "Bad password".to_owned(),
CryptoError::InvalidLength => String::from(DATABASE_CORRUPED_ERROR)
}
)
}
};
match crypto::decrypt_data(&encrypted_identity.encrypted_keypair, &master_key) {
Ok(keypair) => {
Ok(Identity{
name: encrypted_identity.name,
keypair: Keypair::from_bytes(&keypair[..]).unwrap(),
master_key: master_key,
database_folder: database_folder,
})
}
Err(e) => {
print_error!(e);
Err(String::from(DATABASE_CORRUPED_ERROR))
}
}
}
Err(e) => Err(e.to_string())
}
}
pub fn get_identity_name(database_folder: &str) -> Result<String, rusqlite::Error> {
let db = KeyValueTable::new(&get_database_path(database_folder), MAIN_TABLE)?;
Ok(std::str::from_utf8(&db.get(DBKeys::NAME)?).unwrap().to_string())
}
pub fn is_protected(database_folder: String) -> Result<bool, rusqlite::Error> {
let db = KeyValueTable::new(&get_database_path(&database_folder), MAIN_TABLE)?;
Ok(db.get(DBKeys::MASTER_KEY)?.len() != crypto::MASTER_KEY_LEN)
}
pub fn create_identidy(database_folder: String, name: &str, password: Option<&[u8]>) -> Result<Identity, rusqlite::Error> {
let keypair = Keypair::generate(&mut rand_7::rngs::OsRng);
let master_key = crypto::generate_master_key();
let encrypted_keypair = crypto::encrypt_data(&keypair.to_bytes(), &master_key).unwrap();
let db = KeyValueTable::new(&get_database_path(&database_folder), MAIN_TABLE)?;
db.set(DBKeys::NAME, name.as_bytes())?;
db.set(DBKeys::KEYPAIR, &encrypted_keypair)?;
let salt = if password.is_none() { //no password
db.set(DBKeys::MASTER_KEY, &master_key)?; //storing master_key in plaintext
[0; crypto::SALT_LEN]
} else {
let (salt, encrypted_master_key) = crypto::encrypt_master_key(master_key, password.unwrap());
db.set(DBKeys::MASTER_KEY, &encrypted_master_key)?;
salt
};
db.set(DBKeys::SALT, &salt)?;
Ok(Identity {
name: name.to_owned(),
keypair,
master_key,
database_folder
})
}
fn update_master_key(database_folder: String, master_key: [u8; crypto::MASTER_KEY_LEN], new_password: Option<&[u8]>) -> Result<usize, rusqlite::Error> {
let db = KeyValueTable::new(&get_database_path(&database_folder), MAIN_TABLE)?;
let salt = if new_password.is_none() { //no password
db.update(DBKeys::MASTER_KEY, &master_key)?;
[0; crypto::SALT_LEN]
} else {
let (salt, encrypted_master_key) = crypto::encrypt_master_key(master_key, new_password.unwrap());
db.update(DBKeys::MASTER_KEY, &encrypted_master_key)?;
salt
};
db.update(DBKeys::SALT, &salt)
}
pub fn change_password(database_folder: String, old_password: Option<&[u8]>, new_password: Option<&[u8]>) -> Result<bool, String> {
match Identity::load_encrypted_identity(&database_folder) {
Ok(encrypted_identity) => {
let master_key: [u8; crypto::MASTER_KEY_LEN] = if old_password.is_none() {
if encrypted_identity.encrypted_master_key.len() == crypto::MASTER_KEY_LEN {
encrypted_identity.encrypted_master_key.try_into().unwrap()
} else {
return Err(String::from(DATABASE_CORRUPED_ERROR))
}
} else {
match crypto::decrypt_master_key(&encrypted_identity.encrypted_master_key, old_password.unwrap(), &encrypted_identity.salt) {
Ok(master_key) => master_key,
Err(e) => return match e {
CryptoError::DecryptionFailed => Ok(false),
CryptoError::InvalidLength => Err(String::from(DATABASE_CORRUPED_ERROR))
}
}
};
match Identity::update_master_key(database_folder, master_key, new_password) {
Ok(_) => Ok(true),
Err(e) => Err(e.to_string())
}
}
Err(e) => Err(e.to_string())
}
}
}

31
app/src/main/native/src/key_value_table.rs Normal file
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use rusqlite::{Connection, Error, params};
pub struct KeyValueTable<'a> {
db: Connection,
table_name: &'a str,
}
impl<'a> KeyValueTable<'a> {
pub fn new(db_path: &str, table_name: &'a str) -> Result<KeyValueTable<'a>, Error> {
let db = Connection::open(db_path)?;
db.execute(&format!("CREATE TABLE IF NOT EXISTS {} (key TEXT PRIMARY KEY, value BLOB)", table_name), [])?;
Ok(KeyValueTable {db, table_name})
}
pub fn set(&self, key: &str, value: &[u8]) -> Result<usize, Error> {
Ok(self.db.execute(&format!("INSERT INTO {} (key, value) VALUES (?1, ?2)", self.table_name), params![key, value])?)
}
pub fn get(&self, key: &str) -> Result<Vec<u8>, Error> {
let mut stmt = self.db.prepare(&format!("SELECT value FROM {} WHERE key=\"{}\"", self.table_name, key))?;
let mut rows = stmt.query([])?;
match rows.next()? {
Some(row) => Ok(row.get(0)?),
None => Err(rusqlite::Error::QueryReturnedNoRows)
}
}
/*pub fn del(&self, key: &str) -> Result<usize, Error> {
self.db.execute(&format!("DELETE FROM {} WHERE key=\"{}\"", self.table_name, key), NO_PARAMS)
}*/
pub fn update(&self, key: &str, value: &[u8]) -> Result<usize, Error> {
self.db.execute(&format!("UPDATE {} SET value=? WHERE key=\"{}\"", self.table_name, key), params![value])
}
}

357
app/src/main/native/src/lib.rs Normal file
View File

@ -0,0 +1,357 @@
mod key_value_table;
mod identity;
mod crypto;
mod utils;
use std::{convert::TryInto, str::FromStr, fmt::Display, sync::{Mutex}};
use lazy_static::lazy_static;
use uuid::Uuid;
use log::*;
use android_log;
use identity::{Identity, Contact};
use crate::crypto::{HandshakeKeys, ApplicationKeys};
lazy_static! {
static ref loaded_identity: Mutex<Option<Identity>> = Mutex::new(None);
}
#[cfg(target_os="android")]
use jni::JNIEnv;
use jni::objects::{JClass, JObject, JString, JList, JValue};
use jni::sys::{jboolean, jint, jbyteArray, jobject};
fn jstring_to_string(env: JNIEnv, input: JString) -> String {
String::from(env.get_string(input).unwrap())
}
fn jboolean_to_bool(input: jboolean) -> bool {
input == 1
}
fn bool_to_jboolean(input: bool) -> u8 {
if input { 1 } else { 0 }
}
fn slice_to_jvalue<'a>(env: JNIEnv, input: &'a [u8]) -> JValue<'a> {
JValue::Object(env.byte_array_from_slice(input).unwrap().into())
}
#[allow(unused_must_use)]
fn log_error<T: Display>(e: T) {
android_log::init("AIRA Native");
error!("Error: {}", e)
}
#[allow(non_snake_case)]
#[no_mangle]
pub extern fn Java_sushi_hardcore_aira_CreateIdentityFragment_createNewIdentity(env: JNIEnv, _: JClass, database_folder: JString, name: JString, password: jbyteArray) -> jboolean {
let database_folder = jstring_to_string(env, database_folder);
let name = jstring_to_string(env, name);
match Identity::create_identidy(database_folder, &name, env.convert_byte_array(password).ok().as_deref()) {
Ok(identity) => {
*loaded_identity.lock().unwrap() = Some(identity);
1
}
Err(e) => {
log_error(e);
0
}
}
}
#[no_mangle]
pub extern fn Java_sushi_hardcore_aira_LoginActivity_getIdentityName(env: JNIEnv, _: JClass, database_folder: JString) -> jobject {
*match Identity::get_identity_name(&jstring_to_string(env, database_folder)) {
Ok(name) => *env.new_string(name).unwrap(),
Err(e) => {
log_error(e);
JObject::null()
}
}
}
#[no_mangle]
pub extern fn Java_sushi_hardcore_aira_AIRADatabase_isIdentityProtected(env: JNIEnv, _: JClass, database_folder: JString) -> jboolean {
match Identity::is_protected(jstring_to_string(env, database_folder)) {
Ok(is_protected) => bool_to_jboolean(is_protected),
Err(e) => {
log_error(e);
0
}
}
}
#[no_mangle]
pub extern fn Java_sushi_hardcore_aira_AIRADatabase_loadIdentity(env: JNIEnv, _: JClass, database_folder: JString, password: jbyteArray) -> jboolean {
let database_folder = jstring_to_string(env, database_folder);
match Identity::load_identity(database_folder, env.convert_byte_array(password).ok().as_deref()) {
Ok(identity) => {
*loaded_identity.lock().unwrap() = Some(identity);
1
}
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_changePassword(env: JNIEnv, _: JClass, database_folder: JString, old_password: jbyteArray, new_password: jbyteArray) -> jboolean {
let database_folder = jstring_to_string(env, database_folder);
match Identity::change_password(database_folder, env.convert_byte_array(old_password).ok().as_deref(), env.convert_byte_array(new_password).ok().as_deref()) {
Ok(success) => bool_to_jboolean(success),
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_getIdentityPublicKey(env: JNIEnv, _: JClass) -> jbyteArray {
env.byte_array_from_slice(&loaded_identity.lock().unwrap().as_ref().unwrap().get_public_key()).unwrap()
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_background_1service_Session_sign(env: JNIEnv, _: JClass, input: jbyteArray) -> jbyteArray {
env.byte_array_from_slice(&loaded_identity.lock().unwrap().as_ref().unwrap().sign(&env.convert_byte_array(input).unwrap())).unwrap()
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_background_1service_Session_deriveHandshakeKeys(env: JNIEnv, _: JClass, shared_secret: jbyteArray, handshake_hash: jbyteArray, i_am_bob: jboolean) -> jobject {
let shared_secret = env.convert_byte_array(shared_secret).unwrap();
let handshake_hash = env.convert_byte_array(handshake_hash).unwrap();
let handshake_keys = HandshakeKeys::derive_keys(shared_secret.as_slice().try_into().unwrap(), handshake_hash.as_slice().try_into().unwrap(), jboolean_to_bool(i_am_bob));
let args: Vec<JValue<'_>> = [&handshake_keys.local_key[..], &handshake_keys.local_iv, &handshake_keys.local_handshake_traffic_secret, &handshake_keys.peer_key, &handshake_keys.peer_iv, &handshake_keys.peer_handshake_traffic_secret, &handshake_keys.handshake_secret].iter().map(|field|{
slice_to_jvalue(env, field)
}).collect();
let handshake_keys_class = env.find_class("sushi/hardcore/aira/background_service/HandshakeKeys").unwrap();
*env.new_object(handshake_keys_class, "([B[B[B[B[B[B[B)V", &args).unwrap()
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_background_1service_Session_computeHandshakeFinished(env: JNIEnv, _: JClass, local_handshake_traffic_secret: jbyteArray, handshake_hash: jbyteArray) -> jbyteArray {
env.byte_array_from_slice(&crypto::compute_handshake_finished(env.convert_byte_array(local_handshake_traffic_secret).unwrap()[..].try_into().unwrap(), env.convert_byte_array(handshake_hash).unwrap()[..].try_into().unwrap())).unwrap()
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_background_1service_Session_verifyHandshakeFinished(env: JNIEnv, _: JClass, peer_handshake_finished: jbyteArray, peer_handshake_traffic_secret: jbyteArray, handshake_hash: jbyteArray) -> jboolean {
bool_to_jboolean(crypto::verify_handshake_finished(env.convert_byte_array(peer_handshake_finished).unwrap()[..].try_into().unwrap(), env.convert_byte_array(peer_handshake_traffic_secret).unwrap()[..].try_into().unwrap(), env.convert_byte_array(handshake_hash).unwrap()[..].try_into().unwrap()))
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_background_1service_Session_deriveApplicationKeys(env: JNIEnv, _: JClass, handshake_secret: jbyteArray, handshake_hash: jbyteArray, i_am_bob: jboolean) -> jobject {
let handshake_secret = env.convert_byte_array(handshake_secret).unwrap();
let handshake_hash = env.convert_byte_array(handshake_hash).unwrap();
let application_keys = ApplicationKeys::derive_keys(handshake_secret.as_slice().try_into().unwrap(), handshake_hash.as_slice().try_into().unwrap(), jboolean_to_bool(i_am_bob));
let args: Vec<JValue<'_>> = [&application_keys.local_key[..], &application_keys.local_iv, &application_keys.peer_key, &application_keys.peer_iv].iter().map(|field|{
slice_to_jvalue(env, field)
}).collect();
let application_keys_class = env.find_class("sushi/hardcore/aira/background_service/ApplicationKeys").unwrap();
*env.new_object(application_keys_class, "([B[B[B[B)V", &args).unwrap()
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_background_1service_AIRAService_releaseIdentity(_: JNIEnv, _: JClass) {
let mut identity = loaded_identity.lock().unwrap();
identity.as_mut().unwrap().zeroize();
*identity = None;
}
fn new_contact(env: JNIEnv, contact: Contact) -> JObject {
let contact_class = env.find_class("sushi/hardcore/aira/background_service/Contact").unwrap();
env.new_object(contact_class, "(Ljava/lang/String;[BLjava/lang/String;ZZ)V", &[JValue::Object(*env.new_string(contact.uuid.to_string()).unwrap()), slice_to_jvalue(env, &contact.public_key), JValue::Object(*env.new_string(contact.name).unwrap()), JValue::Bool(bool_to_jboolean(contact.verified)), JValue::Bool(bool_to_jboolean(contact.seen))]).unwrap()
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_addContact(env: JNIEnv, _: JClass, name: JString, public_key: jbyteArray) -> jobject {
*match loaded_identity.lock().unwrap().as_ref().unwrap().add_contact(jstring_to_string(env, name), env.convert_byte_array(public_key).unwrap().try_into().unwrap()) {
Ok(contact) => new_contact(env, contact),
Err(e) => {
log_error(e);
JObject::null()
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_removeContact(env: JNIEnv, _: JClass, uuid: JString) -> jboolean {
match loaded_identity.lock().unwrap().as_ref().unwrap().remove_contact(&Uuid::from_str(&jstring_to_string(env, uuid)).unwrap()) {
Ok(_) => 1,
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_loadContacts(env: JNIEnv, _: JClass) -> jobject {
*match loaded_identity.lock().unwrap().as_ref().unwrap().load_contacts() {
Some(contacts) => {
let array_list_class = env.find_class("java/util/ArrayList").unwrap();
let array_list = env.new_object(array_list_class, "(I)V", &[JValue::Int(contacts.len().try_into().unwrap())]).unwrap();
let array_list = JList::from_env(&env, array_list).unwrap();
for contact in contacts {
array_list.add(new_contact(env, contact)).unwrap();
}
*array_list
}
None => JObject::null()
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_setVerified(env: JNIEnv, _: JClass, uuid: JString) -> jboolean {
match loaded_identity.lock().unwrap().as_ref().unwrap().set_verified(&Uuid::from_str(&jstring_to_string(env, uuid)).unwrap()) {
Ok(_) => 1,
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_changeContactName(env: JNIEnv, _: JClass, contactUuid: JString, newName: JString) -> jboolean {
match loaded_identity.lock().unwrap().as_ref().unwrap().change_contact_name(&Uuid::from_str(&jstring_to_string(env, contactUuid)).unwrap(), &jstring_to_string(env, newName)) {
Ok(_) => 1,
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_setContactSeen(env: JNIEnv, _: JClass, contactUuid: JString, seen: jboolean) -> jboolean {
match loaded_identity.lock().unwrap().as_ref().unwrap().set_contact_seen(&Uuid::from_str(&jstring_to_string(env, contactUuid)).unwrap(), jboolean_to_bool(seen)) {
Ok(_) => 1,
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_storeMsg(env: JNIEnv, _: JClass, contactUuid: JString, outgoing: jboolean, data: jbyteArray) -> jboolean {
match loaded_identity.lock().unwrap().as_ref().unwrap().store_msg(&Uuid::from_str(&jstring_to_string(env, contactUuid)).unwrap(), jboolean_to_bool(outgoing), &env.convert_byte_array(data).unwrap()) {
Ok(_) => 1,
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_loadMsgs(env: JNIEnv, _: JClass, uuid: JString, offset: jint, count: jint) -> jobject {
*match loaded_identity.lock().unwrap().as_ref().unwrap().load_msgs(&Uuid::from_str(&jstring_to_string(env, uuid)).unwrap(), offset as usize, count as usize) {
Some(msgs) => {
let array_list_class = env.find_class("java/util/ArrayList").unwrap();
let array_list = env.new_object(array_list_class, "(I)V", &[JValue::Int(msgs.len().try_into().unwrap())]).unwrap();
let array_list = JList::from_env(&env, array_list).unwrap();
let chat_item_class = env.find_class("sushi/hardcore/aira/ChatItem").unwrap();
for msg in msgs {
let chat_item_object = env.new_object(chat_item_class, "(Z[B)V", &[JValue::Bool(bool_to_jboolean(msg.0)), slice_to_jvalue(env, &msg.1)]).unwrap();
array_list.add(chat_item_object).unwrap();
}
*array_list
}
None => JObject::null()
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_storeFile(env: JNIEnv, _: JClass, contactUuid: JString, data: jbyteArray) -> jbyteArray {
let contact_uuid = match env.get_string(contactUuid) {
Ok(uuid) => Some(Uuid::from_str(&String::from(uuid)).unwrap()),
Err(_) => None
};
match loaded_identity.lock().unwrap().as_ref().unwrap().store_file(contact_uuid, &env.convert_byte_array(data).unwrap()) {
Ok(uuid) => env.byte_array_from_slice(uuid.as_bytes()).unwrap(),
Err(_) => *JObject::null()
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_loadFile(env: JNIEnv, _: JClass, rawUuid: jbyteArray) -> jbyteArray {
match loaded_identity.lock().unwrap().as_ref().unwrap().load_file(Uuid::from_bytes(env.convert_byte_array(rawUuid).unwrap().try_into().unwrap())) {
Some(buffer) => env.byte_array_from_slice(&buffer).unwrap(),
None => *JObject::null()
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_deleteConversation(env: JNIEnv, _: JClass, contactUuid: JString) -> jboolean {
let contact_uuid = Uuid::from_str(&String::from(env.get_string(contactUuid).unwrap())).unwrap();
match loaded_identity.lock().unwrap().as_ref().unwrap().delete_conversation(&contact_uuid) {
Ok(_) => 1,
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_clearTemporaryFiles(_: JNIEnv, _: JClass) -> jint {
match loaded_identity.lock().unwrap().as_ref().unwrap().clear_temporary_files() {
Ok(r) => r.try_into().unwrap(),
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_changeName(env: JNIEnv, _: JClass, new_name: JString) -> jboolean {
let new_name = jstring_to_string(env, new_name);
match loaded_identity.lock().unwrap().as_mut().unwrap().change_name(new_name) {
Ok(u) => bool_to_jboolean(u == 1),
Err(e) => {
log_error(e);
0
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_AIRADatabase_getIdentityFingerprint(env: JNIEnv, _: JClass) -> jobject {
**env.new_string(crypto::generate_fingerprint(&loaded_identity.lock().unwrap().as_ref().unwrap().get_public_key())).unwrap()
}
#[allow(non_snake_case)]
#[no_mangle]
pub fn Java_sushi_hardcore_aira_ChatActivity_generateFingerprint(env: JNIEnv, _: JClass, publicKey: jbyteArray) -> jobject {
**env.new_string(crypto::generate_fingerprint(&env.convert_byte_array(publicKey).unwrap())).unwrap()
}

27
app/src/main/native/src/utils.rs Normal file
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@ -0,0 +1,27 @@
use std::convert::TryInto;
use uuid::Bytes;
use crate::print_error;
pub fn to_array_48(s: &[u8]) -> [u8; 48] {
s.try_into().unwrap()
}
pub fn to_uuid_bytes(bytes: &[u8]) -> Option<Bytes> {
match bytes.try_into() {
Ok(uuid) => Some(uuid),
Err(e) => {
print_error!(e);
None
}
}
}
#[macro_export]
macro_rules! print_error {
($arg:tt) => ({
println!("[{}:{}] {}", file!(), line!(), $arg);
});
($($arg:tt)*) => ({
println!("[{}:{}] {}", file!(), line!(), format_args!($($arg)*));
})
}

30
app/src/main/res/drawable-v24/ic_launcher_foreground.xml Normal file
View File

@ -0,0 +1,30 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
<aapt:attr name="android:fillColor">
<gradient
android:endX="85.84757"
android:endY="92.4963"
android:startX="42.9492"
android:startY="49.59793"
android:type="linear">
<item
android:color="#44000000"
android:offset="0.0" />
<item
android:color="#00000000"
android:offset="1.0" />
</gradient>
</aapt:attr>
</path>
<path
android:fillColor="#FFFFFF"
android:fillType="nonZero"
android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
android:strokeWidth="1"
android:strokeColor="#00000000" />
</vector>

9
app/src/main/res/drawable/background_adapter_bubble.xml Normal file
View File

@ -0,0 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="@color/bubbleBackground"/>
<corners android:radius="20dp"/>
</shape>
</item>
</selector>

8
app/src/main/res/drawable/background_session.xml Normal file
View File

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="@color/sessionBackground"/>
</shape>
</item>
</selector>

5
app/src/main/res/drawable/ic_add.xml Normal file
View File

@ -0,0 +1,5 @@
<vector android:height="24dp" android:tint="#FFFFFF"
android:viewportHeight="24" android:viewportWidth="24"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="@android:color/white" android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
</vector>

5
app/src/main/res/drawable/ic_attach_file.xml Normal file
View File

@ -0,0 +1,5 @@
<vector android:height="24dp" android:tint="#FFFFFF"
android:viewportHeight="24" android:viewportWidth="24"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="@android:color/white" android:pathData="M16.5,6v11.5c0,2.21 -1.79,4 -4,4s-4,-1.79 -4,-4V5c0,-1.38 1.12,-2.5 2.5,-2.5s2.5,1.12 2.5,2.5v10.5c0,0.55 -0.45,1 -1,1s-1,-0.45 -1,-1V6H10v9.5c0,1.38 1.12,2.5 2.5,2.5s2.5,-1.12 2.5,-2.5V5c0,-2.21 -1.79,-4 -4,-4S7,2.79 7,5v12.5c0,3.04 2.46,5.5 5.5,5.5s5.5,-2.46 5.5,-5.5V6h-1.5z"/>
</vector>

5
app/src/main/res/drawable/ic_close.xml Normal file
View File

@ -0,0 +1,5 @@
<vector android:height="24dp" android:tint="#FFFFFF"
android:viewportHeight="24" android:viewportWidth="24"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="@android:color/white" android:pathData="M19,6.41L17.59,5 12,10.59 6.41,5 5,6.41 10.59,12 5,17.59 6.41,19 12,13.41 17.59,19 19,17.59 13.41,12z"/>
</vector>

5
app/src/main/res/drawable/ic_delete_conversation.xml Normal file
View File

@ -0,0 +1,5 @@
<vector android:height="24dp" android:tint="#FFFFFF"
android:viewportHeight="24" android:viewportWidth="24"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
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59
app/src/main/res/layout/activity_chat.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".ChatActivity">
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android:id="@+id/recycler_chat"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginHorizontal="20dp"
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app:layout_constraintBottom_toTopOf="@id/bottom_panel"/>
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android:id="@+id/bottom_panel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
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android:visibility="gone">
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android:id="@+id/button_attach"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_attach_file"
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app:layout_constraintEnd_toStartOf="@id/image_trust_level" />
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android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_warning"
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<EditText
android:id="@+id/edit_message"
android:layout_width="0dp"
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android:layout_height="wrap_content"
android:src="@drawable/ic_send"
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13
app/src/main/res/layout/activity_login.xml Normal file
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android:layout_height="match_parent"
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54
app/src/main/res/layout/activity_main.xml Normal file
View File

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<?xml version="1.0" encoding="utf-8"?>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/refresher"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".MainActivity">
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android:layout_width="match_parent"
android:layout_height="match_parent">
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android:id="@+id/text_online_sessions"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/online_peers"
style="@style/Label"
app:layout_constraintTop_toTopOf="parent"/>
<ListView
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android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/text_online_sessions"/>
<TextView
android:id="@+id/text_offline_sessions"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/offline_contacts"
style="@style/Label"
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android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@id/text_offline_sessions"/>
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android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text"
android:maxLines="1"
android:imeOptions="actionGo"
android:hint="@string/add_peer_ip"
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32
app/src/main/res/layout/activity_settings.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="@+id/settings_container"
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android:layout_height="wrap_content"/>
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android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginTop="20dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/identity_fingerprint_label"
style="@style/Label"
android:textStyle="bold"/>
<TextView
android:id="@+id/text_fingerprint"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"/>
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33
app/src/main/res/layout/adapter_chat_file.xml Normal file
View File

@ -0,0 +1,33 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingVertical="1dp">
<LinearLayout
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android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="center"
style="@style/Bubble"
android:paddingTop="5dp"
android:paddingBottom="5dp">
<ImageButton
android:id="@+id/button_save"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="5dp"
android:src="@drawable/ic_save"/>
<TextView
android:id="@+id/text_filename"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textIsSelectable="true"
android:textColor="@color/messageTextColor"/>
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</LinearLayout>

17
app/src/main/res/layout/adapter_chat_message.xml Normal file
View File

@ -0,0 +1,17 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingVertical="1dp">
<TextView
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android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textIsSelectable="true"
android:autoLink="all"
android:textColorLink="@color/textLink"
android:textColor="@color/messageTextColor"
style="@style/Bubble"/>
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46
app/src/main/res/layout/adapter_session.xml Normal file
View File

@ -0,0 +1,46 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp"
android:background="@drawable/background_session">
<sushi.hardcore.aira.widgets.TextAvatar
android:id="@+id/text_avatar"
android:layout_width="40dp"
android:layout_height="40dp"
app:textSize="8sp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"/>
<TextView
android:id="@+id/text_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginHorizontal="5dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="@id/text_avatar"/>
<ImageView
android:id="@+id/image_trust_level"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="@id/text_name"/>
<ImageView
android:id="@+id/image_seen"
android:layout_width="10dp"
android:layout_height="10dp"
android:layout_marginEnd="10dp"
android:src="@drawable/round_background"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"/>
</androidx.constraintlayout.widget.ConstraintLayout>

19
app/src/main/res/layout/dialog_ask_file.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/text_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
style="@style/Label"/>
<TextView
android:id="@+id/text_file_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
style="@style/Label"/>
</LinearLayout>

39
app/src/main/res/layout/dialog_fingerprints.xml Normal file
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@ -0,0 +1,39 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingHorizontal="20dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/fingerprints_instructions"
style="@style/Label"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/local_fingerprint"
style="@style/Label"
android:textStyle="bold"/>
<TextView
android:id="@+id/text_local_fingerprint"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/peer_fingerprint"
style="@style/Label"
android:textStyle="bold"/>
<TextView
android:id="@+id/text_peer_fingerprint"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"/>
</LinearLayout>

54
app/src/main/res/layout/dialog_info.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingHorizontal="20dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/fingerprint"
style="@style/Label"
android:textStyle="bold"/>
<TextView
android:id="@+id/text_fingerprint"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"/>
<LinearLayout
android:id="@+id/online_fields"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/ip"
style="@style/Label"
android:textStyle="bold"/>
<TextView
android:id="@+id/text_ip"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/connection"
style="@style/Label"
android:textStyle="bold"/>
<TextView
android:id="@+id/text_outgoing"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"/>
</LinearLayout>
</LinearLayout>

28
app/src/main/res/layout/dialog_password.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingHorizontal="30dp">
<EditText
android:id="@+id/old_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/current_password"
android:inputType="textPassword"/>
<EditText
android:id="@+id/new_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/new_password"
android:inputType="textPassword"/>
<EditText
android:id="@+id/new_password_confirm"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/new_password_confirm"
android:inputType="textPassword"/>
</LinearLayout>

60
app/src/main/res/layout/fragment_create_identity.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".CreateIdentityFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginHorizontal="50dp"
android:layout_centerInParent="true">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/create_identity_test"
style="@style/Label"/>
<EditText
android:id="@+id/edit_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/identity_name"
android:inputType="text"/>
<androidx.appcompat.widget.SwitchCompat
android:id="@+id/checkbox_enable_password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="@string/enable_password"/>
<EditText
android:id="@+id/edit_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/password_hint"
android:inputType="textPassword"
android:visibility="gone"/>
<EditText
android:id="@+id/edit_password_confirm"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/password_confirm_hint"
android:inputType="textPassword"
android:visibility="gone"/>
<Button
android:id="@+id/button_create"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="@string/create"/>
</LinearLayout>
</RelativeLayout>

54
app/src/main/res/layout/fragment_login.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".LoginFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginHorizontal="50dp"
android:layout_centerInParent="true">
<sushi.hardcore.aira.widgets.TextAvatar
android:id="@+id/text_avatar"
android:layout_height="90dp"
android:layout_width="90dp"
app:textSize="20sp"
android:layout_gravity="center"/>
<TextView
android:id="@+id/text_identity_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAlignment="center"
android:textStyle="bold"
android:textSize="25sp"
android:layout_marginTop="10dp"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/enter_password"
style="@style/Label"/>
<EditText
android:id="@+id/edit_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:hint="@string/password_hint"/>
<Button
android:id="@+id/button_login"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="@string/login"/>
</LinearLayout>
</RelativeLayout>

13
app/src/main/res/layout/text_avatar.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/round_background">
<TextView
android:id="@+id/text_letter"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"/>
</RelativeLayout>

35
app/src/main/res/menu/chat_activity.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/delete_conversation"
app:showAsAction="ifRoom"
android:icon="@drawable/ic_delete_conversation"
android:title="@string/delete_conversation" />
<item
android:id="@+id/verify"
app:showAsAction="ifRoom"
android:icon="@drawable/ic_verified"
android:title="@string/verify"/>
<item
android:id="@+id/set_as_contact"
app:showAsAction="ifRoom"
android:icon="@drawable/ic_person_add"
android:title="@string/add_contact"/>
<item
android:id="@+id/remove_contact"
app:showAsAction="ifRoom"
android:icon="@drawable/ic_person_remove"
android:title="@string/remove_contact"/>
<item
android:id="@+id/session_info"
app:showAsAction="ifRoom"
android:icon="@drawable/ic_info"
android:title="@string/details"/>
</menu>

15
app/src/main/res/menu/main_activity.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/settings"
app:showAsAction="ifRoom"
android:icon="@drawable/ic_settings"/>
<item
android:id="@+id/close"
app:showAsAction="ifRoom"
android:icon="@drawable/ic_close"/>
</menu>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

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6
app/src/main/res/values/attrs.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="TextAvatar">
<attr name="textSize" format="dimension"/>
</declare-styleable>
</resources>

12
app/src/main/res/values/colors.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="primary">#262626</color>
<color name="secondary">#FF3C00</color>
<color name="white">#FFFFFF</color>
<color name="backgroundColor">#111111</color>
<color name="sessionBackground">#1F1F1F</color>
<color name="bubbleBackground">@color/sessionBackground</color>
<color name="incomingBubbleBackground">@color/secondary</color>
<color name="textLink">#3845A3</color>
<color name="messageTextColor">#ffffff</color>
</resources>

73
app/src/main/res/values/strings.xml Normal file
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<resources>
<string name="app_name">AIRA</string>
<string name="create_identity_test">Create a new identity:</string>
<string name="identity_name">Identity Name</string>
<string name="password_hint">Password</string>
<string name="password_confirm_hint">Password (confirm)</string>
<string name="create">Create</string>
<string name="password_mismatch">Passwords don\'t match !</string>
<string name="online_peers">Online peers:</string>
<string name="offline_contacts">Offline contacts:</string>
<string name="identity_create_failed">Failed to create identity</string>
<string name="identity_load_failed">Failed to load identity. Please check your password</string>
<string name="service_name">AIRA Background Service</string>
<string name="login">Login</string>
<string name="add_peer_ip">Add peer by IP</string>
<string name="unknown">Unknown</string>
<string name="file_saved">File saved !</string>
<string name="enter_password">Enter your password:</string>
<string name="yes">Yes</string>
<string name="warning">Warning !</string>
<string name="ask_log_out">Do you really want to log out ? (You will no longer receive messages until you login again)</string>
<string name="cancel">Cancel</string>
<string name="background_service">Background service</string>
<string name="verifying_contact">Verifying contact</string>
<string name="fingerprints_instructions">Compare the following fingerprints by a trusted way of communication (such as real life) and be sure they match..</string>
<string name="local_fingerprint">Local fingerprint:</string>
<string name="peer_fingerprint">Peer fingerprint:</string>
<string name="summary_name">The name of your identity. Shown to all active sessions.</string>
<string name="delete_identity">Delete Identity</string>
<string name="summary_delete_identity">Delete all your data. You won\'t be able to be recognized by your contacts anymore.</string>
<string name="preference_password">Identity Password</string>
<string name="summary_password">You can\'t access your data or be recognized by your contacts without this password.</string>
<string name="change_password">Change password:</string>
<string name="ok">OK</string>
<string name="change_password_failed">Operation failed. Please check your old password.</string>
<string name="error">Error</string>
<string name="current_password">Current password</string>
<string name="new_password">New password (empty for no password)</string>
<string name="new_password_confirm">New password (confirm)</string>
<string name="confirm_delete">Are you sure you want to delete all your conversations (messages and files), all your contacts, and your private key ?</string>
<string name="they_match">They match</string>
<string name="ask_delete_conversation">Deleting a conversation only affects you. Your contact will still have a copy of this conversation if she/he doesn\'t delete it too. Do you really want to delete all this conversation (messages and files) ?</string>
<string name="delete">Delete</string>
<string name="ask_remove_contact">Deleting contact will remove her/his identity key and your conversation (messages and files). You won\'t be able to recognize her/him anymore. This action only affects you. Do you really want to remove this contact ?</string>
<string name="enable_password">Encrypt with a password</string>
<string name="msg_notification_channel_name">New Messages</string>
<string name="mark_read">Mark read</string>
<string name="ask_file_notification_channel">Download file requests</string>
<string name="db_mkdir_failed">Databases directory creation failed</string>
<string name="want_to_send_a_file">%s wants to send you a file%s</string>
<string name="download_file_request">Download file request</string>
<string name="download">Download</string>
<string name="refuse">Refuse</string>
<string name="file_transfers">File transfers</string>
<string name="transfer_aborted">Transfer aborted</string>
<string name="transfer_completed">Transfer completed</string>
<string name="reply">Reply</string>
<string name="share_uri_null">Failed to retrieve URI</string>
<string name="ask_send_file">Send %s (%s) to %s ?</string>
<string name="file_open_failed">Failed to open file</string>
<string name="share_label">Send with AIRA</string>
<string name="identity_fingerprint_label">Your identity\'s fingerprint:</string>
<string name="fingerprint">Fingerprint:</string>
<string name="ip">IP:</string>
<string name="connection">Connection:</string>
<string name="outgoing">Outgoing</string>
<string name="incoming">Incoming</string>
<string name="delete_conversation">Delete conversation</string>
<string name="verify">Verify</string>
<string name="add_contact">Add contact</string>
<string name="remove_contact">Remove contact</string>
<string name="details">Details</string>
</resources>

20
app/src/main/res/values/styles.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="Label" parent="Widget.MaterialComponents.TextView">
<item name="android:textAlignment">center</item>
<item name="android:textSize">15sp</item>
<item name="android:paddingTop">8dp</item>
<item name="android:paddingBottom">8dp</item>
</style>
<style name="Bubble">
<item name="android:background">@drawable/background_adapter_bubble</item>
<item name="android:paddingTop">10dp</item>
<item name="android:paddingBottom">10dp</item>
<item name="android:paddingStart">15dp</item>
<item name="android:paddingEnd">15dp</item>
</style>
<style name="Theme.AIRA.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
</resources>

18
app/src/main/res/values/themes.xml Normal file
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<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.AIRA" parent="Theme.AppCompat">
<!-- Primary brand color. -->
<item name="colorPrimary">@color/primary</item>
<item name="colorPrimaryVariant">@color/primary</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/secondary</item>
<item name="colorSecondaryVariant">@color/secondary</item>
<item name="colorAccent">@color/secondary</item>
<!-- Status bar color. -->
<item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
<item name="android:windowBackground">@color/backgroundColor</item>
</style>
</resources>

22
app/src/main/res/xml/preferences.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<EditTextPreference
android:key="identityName"
android:title="@string/identity_name"
android:summary="@string/summary_name"
android:icon="@drawable/ic_person"/>
<Preference
android:key="identityPassword"
android:title="@string/preference_password"
android:summary="@string/summary_password"
android:icon="@drawable/ic_lock"/>
<Preference
android:key="deleteIdentity"
android:title="@string/delete_identity"
android:summary="@string/summary_delete_identity"
android:icon="@drawable/ic_delete_forever"/>
</PreferenceScreen>

17
app/src/test/java/sushi/hardcore/aira/ExampleUnitTest.kt Normal file
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package sushi.hardcore.aira
import org.junit.Test
import org.junit.Assert.*
/**
* Example local unit test, which will execute on the development machine (host).
*
* See [testing documentation](http://d.android.com/tools/testing).
*/
class ExampleUnitTest {
@Test
fun addition_isCorrect() {
assertEquals(4, 2 + 2)
}
}

26
build.gradle Normal file
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// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext.kotlin_version = "1.4.21"
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:4.1.3'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}

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