Добавлено локальное хранение токена авторизации

app/build.gradle.kts

@@ -54,6 +54,7 @@ dependencies {
     implementation(project(":core:navigation-api"))
     implementation(project(":core:ui"))
     implementation(project(":core:navigation-impl"))
+    implementation(project(":core:datastore-impl"))
 
     //Timber
     implementation(libs.timber)

app/src/main/java/ru/yeahub/Application.kt

@@ -3,6 +3,7 @@ package ru.yeahub
 import android.app.Application
 import org.koin.android.ext.koin.androidContext
 import org.koin.core.context.startKoin
+import ru.yeahub.datastore_impl.di.datastoreModule
 import ru.yeahub.detail_question.impl.di.detailQuestionFeatureModule
 import ru.yeahub.example_details.impl.detailsFeatureModule
 import ru.yeahub.example_home.impl.data.di.questionsMainFeatureModule
@@ -45,6 +46,7 @@ class Application : Application() {
             modules(
                 networkModule,
                 navigationPathModule,
+                datastoreModule,
                 questionsModule,
                 profileFeatureModule,
                 questionsMainFeatureModule,

core/datastore-api/build.gradle.kts

@@ -0,0 +1,43 @@
+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "ru.yeahub.datastore_api"
+    compileSdk = 35
+
+    defaultConfig {
+        minSdk = 24
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+}

core/datastore-api/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

core/datastore-api/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

core/datastore-api/src/main/java/ru/yeahub/datastore_api/TokenDataStore.kt

@@ -0,0 +1,16 @@
+package ru.yeahub.datastore_api
+
+/**
+ * Контракт локального хранения токена авторизации:
+ * - saveAccessToken - сохраняет access token
+ * - getAccessToken - возвращает сохранённый access token
+ * - clearTokens - очищает токены авторизации
+ */
+interface TokenDataStore {
+
+    suspend fun saveAccessToken(accessToken: String): TokenStorageResult
+
+    suspend fun getAccessToken(): String?
+
+    suspend fun clearTokens(): TokenStorageResult
+}

core/datastore-api/src/main/java/ru/yeahub/datastore_api/TokenStorageResult.kt

@@ -0,0 +1,13 @@
+package ru.yeahub.datastore_api
+
+/**
+ * Результат операции локального хранения токена:
+ * - Success - операция выполнена успешно
+ * - Error - операция завершилась ошибкой
+ */
+sealed interface TokenStorageResult {
+
+    data object Success : TokenStorageResult
+
+    data object Error : TokenStorageResult
+}

core/datastore-impl/build.gradle.kts

@@ -0,0 +1,47 @@
+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "ru.yeahub.datastore_impl"
+    compileSdk = 35
+
+    defaultConfig {
+        minSdk = 24
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+}
+
+dependencies {
+    implementation(project(":core:datastore-api"))
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.datastore.preferences)
+
+    implementation(libs.koin.core)
+    implementation(libs.koin.android)
+
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+}

core/datastore-impl/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

core/datastore-impl/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

core/datastore-impl/src/main/java/ru/yeahub/datastore_impl/TokenDataStoreImpl.kt

@@ -0,0 +1,76 @@
+package ru.yeahub.datastore_impl
+
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.stringPreferencesKey
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.flow.first
+import ru.yeahub.datastore_api.TokenDataStore
+import ru.yeahub.datastore_api.TokenStorageResult
+import ru.yeahub.datastore_impl.crypto.CryptoManager
+
+/**
+ * Реализация локального хранения токена через Preferences DataStore:
+ * - шифрует access token перед сохранением
+ * - читает и расшифровывает access token
+ * - очищает токены авторизации
+ */
+class TokenDataStoreImpl(
+    private val dataStore: DataStore<Preferences>,
+    private val cryptoManager: CryptoManager,
+) : TokenDataStore {
+
+    override suspend fun saveAccessToken(accessToken: String): TokenStorageResult {
+        return runCatching {
+            dataStore.edit { preferences ->
+                val encryptedToken = cryptoManager.encrypt(accessToken)
+                preferences[ACCESS_TOKEN_KEY] = encryptedToken
+            }
+        }.fold(
+            onSuccess = {
+                TokenStorageResult.Success
+            },
+            onFailure = { exception ->
+                if (exception is CancellationException) {
+                    throw exception
+                }
+
+                TokenStorageResult.Error
+            },
+        )
+    }
+
+    override suspend fun getAccessToken(): String? {
+        val encryptedToken =
+            dataStore.data.first()[ACCESS_TOKEN_KEY]
+                ?: return null
+
+        return runCatching {
+            cryptoManager.decrypt(encryptedToken)
+        }.getOrNull()
+    }
+
+    override suspend fun clearTokens(): TokenStorageResult {
+        return runCatching {
+            dataStore.edit { preferences ->
+                preferences.remove(ACCESS_TOKEN_KEY)
+            }
+        }.fold(
+            onSuccess = {
+                TokenStorageResult.Success
+            },
+            onFailure = { exception ->
+                if (exception is CancellationException) {
+                    throw exception
+                }
+
+                TokenStorageResult.Error
+            },
+        )
+    }
+
+    private companion object {
+        private val ACCESS_TOKEN_KEY = stringPreferencesKey("access_token")
+    }
+}

core/datastore-impl/src/main/java/ru/yeahub/datastore_impl/crypto/CryptoManager.kt

@@ -0,0 +1,13 @@
+package ru.yeahub.datastore_impl.crypto
+
+/**
+ * Контракт шифрования данных:
+ * - encrypt - шифрует строку
+ * - decrypt - расшифровывает строку
+ */
+interface CryptoManager {
+
+    fun encrypt(value: String): String
+
+    fun decrypt(value: String): String
+}