feat: Login

app/src/main/java/ru/risdeveau/pixeldragon/Common.kt

@@ -0,0 +1,43 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:01
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:01
+ */
+
+package ru.risdeveau.pixeldragon
+
+import android.content.Context
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.cio.CIO
+import io.ktor.client.engine.cio.endpoint
+import io.ktor.client.plugins.cache.HttpCache
+import ru.risdeveau.pixeldragon.api.getMe
+import splitties.init.appCtx
+
+val client = HttpClient(CIO) {
+    engine {
+        endpoint {
+            maxConnectionsPerRoute = 100
+            pipelineMaxSize = 20
+            keepAliveTime = 30000
+            connectTimeout = 15000
+            connectAttempts = 5
+        }
+    }
+
+    install(HttpCache)
+}
+
+val accountData = appCtx.getSharedPreferences("settings", Context.MODE_PRIVATE)
+lateinit var urlBase: String
+lateinit var token: String
+
+suspend fun initCheck(): Boolean {
+    if (!accountData.contains("token")) return false
+    if (!accountData.contains("homeserver")) return false
+
+    token = accountData.getString("token", "").toString()
+    urlBase = "https://${accountData.getString("homeserver", "")}/_matrix/client/v3"
+
+    return getMe() != null
+}

app/src/main/java/ru/risdeveau/pixeldragon/api/Server.kt

@@ -0,0 +1,23 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:01
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:01
+ */
+
+package ru.risdeveau.pixeldragon.api
+
+import io.ktor.client.request.get
+import io.ktor.client.statement.bodyAsText
+import org.json.JSONException
+import org.json.JSONObject
+import ru.risdeveau.pixeldragon.client
+
+suspend fun isMatrixServer(url: String): Boolean {
+    val r = try { client.get("https://$url/.well-known/matrix/client") }
+    catch (_: Exception) { return false }
+
+    try { JSONObject(r.bodyAsText()) }
+    catch (_: JSONException) { return false }
+
+    return true
+}

app/src/main/java/ru/risdeveau/pixeldragon/api/User.kt

@@ -0,0 +1,82 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:09
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:01
+ */
+
+package ru.risdeveau.pixeldragon.api
+
+import android.annotation.SuppressLint
+import android.util.Log
+import io.ktor.client.request.bearerAuth
+import io.ktor.client.request.get
+import io.ktor.client.request.post
+import io.ktor.client.request.setBody
+import io.ktor.client.statement.bodyAsText
+import io.ktor.http.ContentType
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.contentType
+import org.json.JSONObject
+import ru.risdeveau.pixeldragon.accountData
+import ru.risdeveau.pixeldragon.client
+import ru.risdeveau.pixeldragon.initCheck
+import ru.risdeveau.pixeldragon.token
+import ru.risdeveau.pixeldragon.urlBase
+import splitties.init.appCtx
+
+data class Me (val userId: String, val deviceId: String)
+
+/**
+ * This func is to validate the token
+ */
+suspend fun getMe(): Me? {
+    val r = client.get("$urlBase/account/whoami") { bearerAuth(token) }
+    if (r.status != HttpStatusCode.OK) {
+        Log.e("getMe", r.bodyAsText())
+        return null
+    }
+
+    val json = JSONObject(r.bodyAsText())
+    return Me(json.getString("user_id"), json.getString("device_id"))
+}
+
+@SuppressLint("ApplySharedPref")
+suspend fun login(homeserver: String, login: String, pass: String): Boolean {
+    val pinfo = appCtx.packageManager.getPackageInfo(appCtx.packageName, 0);
+
+    val pattern = """
+        {
+          "type": "m.login.password",
+          "identifier": {
+            "type": "m.id.user"
+          },
+          "initial_device_display_name": "PixelDragon Android v${pinfo.versionName}"
+        }
+    """.trimIndent()
+    val json = JSONObject(pattern)
+    json.getJSONObject("identifier").put("user", login)
+    json.put("password", pass)
+
+    val r = try {
+        client.post("https://$homeserver/_matrix/client/v3/login") {
+            setBody(json.toString())
+            contentType(ContentType.Application.Json)
+        }
+    } catch (e: Exception) {
+        Log.e("login", e.toString())
+        return false
+    }
+
+    if (r.status != HttpStatusCode.OK) {
+        Log.e("login", r.bodyAsText())
+        return false  // TODO: Inform a user of error code
+    }
+
+    val res = JSONObject(r.bodyAsText())
+    val editor = accountData.edit()
+    editor.putString("token", res.getString("access_token"))
+    editor.putString("homeserver", res.getString("home_server"))
+    editor.commit()
+
+    return initCheck()
+}

app/src/main/java/ru/risdeveau/pixeldragon/ui/activity/Login.kt

@@ -0,0 +1,136 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:08
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:08
+ */
+
+package ru.risdeveau.pixeldragon.ui.activity
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.Button
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarDuration
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.launch
+import ru.risdeveau.pixeldragon.api.isMatrixServer
+import ru.risdeveau.pixeldragon.api.login
+import ru.risdeveau.pixeldragon.ui.theme.PixelDragonTheme
+import splitties.activities.start
+
+class Login : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            PixelDragonTheme {
+                Surface {
+                    val snackbarHostState = remember { SnackbarHostState() }
+                    val scope = rememberCoroutineScope()
+
+                    Scaffold (
+                        snackbarHost = {
+                            SnackbarHost(hostState = snackbarHostState)
+                        }
+                    ) { innerPadding ->
+                        Box(Modifier.fillMaxSize().padding(innerPadding)) {
+                            LoginField(
+                                Modifier.align(Alignment.Center),
+                                { start<MainActivity>() },
+                                {
+                                    scope.launch {
+                                        snackbarHostState
+                                            .showSnackbar(
+                                                message = "Login failed",
+                                                duration = SnackbarDuration.Long
+                                            )
+                                    }
+                                }
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun LoginField(modifier: Modifier = Modifier, ok: () -> Unit, err: () -> Unit) {
+    Column (
+        modifier = modifier
+    ) {
+        val scope = rememberCoroutineScope()
+
+        var homeserver by remember { mutableStateOf("") }
+        var login by remember { mutableStateOf("") }
+        var pass by remember { mutableStateOf("") }
+
+        var hmsValid by remember { mutableStateOf(false) }
+
+        OutlinedTextField(
+            modifier = Modifier.padding(4.dp),
+            value = homeserver,
+            onValueChange = { homeserver = it.trim() },
+            label = { Text("Homeserver") },
+            placeholder = { Text("matrix.org") },
+            singleLine = true,
+            isError = !hmsValid
+        )
+        OutlinedTextField(
+            modifier = Modifier.padding(4.dp),
+            value = login,
+            onValueChange = { login = it.trim() },
+            label = { Text("Login") },
+            singleLine = true
+        )
+        OutlinedTextField(
+            modifier = Modifier.padding(4.dp),
+            value = pass,
+            onValueChange = { pass = it.trim() },
+            label = { Text("Password") },
+            visualTransformation = PasswordVisualTransformation(),
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Password),
+            singleLine = true,
+        )
+        Button(
+            enabled = hmsValid && !login.isEmpty() && !pass.isEmpty(),
+            onClick = {
+                var loginSuccess = false
+                scope.launch { loginSuccess = login(homeserver, login, pass) }
+
+                if (loginSuccess) ok()
+                else err()
+            }
+        ) {
+            Text("Login")
+        }
+
+        LaunchedEffect(homeserver) {
+            scope.launch { hmsValid = isMatrixServer(homeserver) }
+        }
+    }
+}

app/src/main/java/ru/risdeveau/pixeldragon/ui/activity/MainActivity.kt

@@ -0,0 +1,81 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:08
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:07
+ */
+
+package ru.risdeveau.pixeldragon.ui.activity
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults.topAppBarColors
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import ru.risdeveau.pixeldragon.initCheck
+import ru.risdeveau.pixeldragon.ui.theme.PixelDragonTheme
+import splitties.activities.start
+
+class MainActivity : ComponentActivity() {
+    @OptIn(ExperimentalMaterial3Api::class, DelicateCoroutinesApi::class)
+    override fun onCreate(savedInstanceState: Bundle?) {
+        GlobalScope.launch {
+            if (!initCheck()) start<Login>()
+        }
+
+        super.onCreate(savedInstanceState)
+
+        enableEdgeToEdge()
+        setContent {
+            PixelDragonTheme {
+                Scaffold(
+                    modifier = Modifier.fillMaxSize(),
+                    topBar = {
+                        TopAppBar(
+                            colors = topAppBarColors(
+                                containerColor = MaterialTheme.colorScheme.primaryContainer,
+                                titleContentColor = MaterialTheme.colorScheme.primary,
+                            ),
+                            title = {
+                                Text("Top app bar")
+                            }
+                        )
+                    },
+                ) { innerPadding ->
+                    Greeting(
+                        name = "Android",
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Greeting(name: String, modifier: Modifier = Modifier) {
+    Text(
+        text = "Hello $name!",
+        modifier = modifier
+    )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    PixelDragonTheme {
+        Greeting("Android")
+    }
+}

app/src/main/java/ru/risdeveau/pixeldragon/ui/theme/Color.kt

@@ -0,0 +1,17 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:01
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:01
+ */
+
+package ru.risdeveau.pixeldragon.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)

app/src/main/java/ru/risdeveau/pixeldragon/ui/theme/Theme.kt

@@ -0,0 +1,63 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:01
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:01
+ */
+
+package ru.risdeveau.pixeldragon.ui.theme
+
+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.ui.platform.LocalContext
+
+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 PixelDragonTheme(
+    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
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

app/src/main/java/ru/risdeveau/pixeldragon/ui/theme/Type.kt

@@ -0,0 +1,40 @@
+/*
+ * Created by sweetbread on 21.02.2025, 12:01
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 21.02.2025, 12:01
+ */
+
+package ru.risdeveau.pixeldragon.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
+    )
+    */
+)