[#228] Add token authenticator

template-compose/.gitignore

@@ -22,6 +22,7 @@ out/
 
 # Local configuration file (sdk path, etc)
 local.properties
+api-config.properties
 
 # Proguard folder generated by Eclipse
 proguard/

template-compose/README.md

@@ -6,6 +6,7 @@
 
 - Clone the project
 - Run the project with Android Studio
+- Add `api-config.properties` file in the `resources` folder of the :app module to override the default configuration. 
 
 ## Linter and static code analysis
 

template-compose/app/build.gradle.kts

@@ -59,14 +59,12 @@ android {
             isShrinkResources = true
             proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro")
             signingConfig = signingConfigs[BuildTypes.RELEASE]
-            buildConfigField("String", "BASE_API_URL", "\"https://jsonplaceholder.typicode.com/\"")
         }
 
         debug {
             // For quickly testing build with proguard, enable this
             isMinifyEnabled = false
             signingConfig = signingConfigs[BuildTypes.DEBUG]
-            buildConfigField("String", "BASE_API_URL", "\"https://jsonplaceholder.typicode.com/\"")
         }
     }
 

template-compose/app/src/main/java/co/nimblehq/template/compose/di/AuthQualifiers.kt

@@ -0,0 +1,9 @@
+package co.nimblehq.template.compose.di
+
+import javax.inject.Qualifier
+
+@Qualifier
+annotation class Unauthorized
+
+@Qualifier
+annotation class Authorized

template-compose/app/src/main/java/co/nimblehq/template/compose/di/modules/AppModule.kt

@@ -1,11 +1,15 @@
 package co.nimblehq.template.compose.di.modules
 
-import co.nimblehq.template.compose.util.DispatchersProvider
-import co.nimblehq.template.compose.util.DispatchersProviderImpl
+import co.nimblehq.template.compose.data.remote.services.ApiService
+import co.nimblehq.template.compose.data.repositories.TokenRepositoryImpl
+import co.nimblehq.template.compose.data.util.DispatchersProvider
+import co.nimblehq.template.compose.data.util.DispatchersProviderImpl
+import co.nimblehq.template.compose.domain.repositories.TokenRepository
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
+import java.util.Properties
 
 @Module
 @InstallIn(SingletonComponent::class)
@@ -14,4 +18,13 @@ class AppModule {
     fun provideDispatchersProvider(): DispatchersProvider {
         return DispatchersProviderImpl()
     }
+
+    @Provides
+    fun provideTokenRepository(
+        apiService: ApiService,
+        apiConfigProperties: Properties,
+    ): TokenRepository = TokenRepositoryImpl(
+        apiService = apiService,
+        apiConfigProperties = apiConfigProperties,
+    )
 }

template-compose/app/src/main/java/co/nimblehq/template/compose/di/modules/OkHttpClientModule.kt

@@ -2,6 +2,15 @@ package co.nimblehq.template.compose.di.modules
 
 import android.content.Context
 import co.nimblehq.template.compose.BuildConfig
+import co.nimblehq.template.compose.data.remote.interceptor.AuthInterceptor
+import co.nimblehq.template.compose.data.local.preferences.NetworkEncryptedSharedPreferences
+import co.nimblehq.template.compose.data.remote.authenticator.RequestAuthenticator
+import co.nimblehq.template.compose.data.util.DispatchersProvider
+import co.nimblehq.template.compose.di.Authorized
+import co.nimblehq.template.compose.di.Unauthorized
+import co.nimblehq.template.compose.domain.usecases.GetAuthStatusUseCase
+import co.nimblehq.template.compose.domain.usecases.RefreshTokenUseCase
+import co.nimblehq.template.compose.domain.usecases.UpdateLoginTokensUseCase
 import com.chuckerteam.chucker.api.*
 import dagger.Module
 import dagger.Provides
@@ -18,6 +27,7 @@ private const val READ_TIME_OUT = 30L
 @InstallIn(SingletonComponent::class)
 class OkHttpClientModule {
 
+    @Unauthorized
     @Provides
     fun provideOkHttpClient(
         chuckerInterceptor: ChuckerInterceptor
@@ -31,6 +41,26 @@ class OkHttpClientModule {
         }
     }.build()
 
+    @Authorized
+    @Provides
+    fun provideAuthorizedOkHttpClient(
+        authInterceptor: AuthInterceptor,
+        chuckerInterceptor: ChuckerInterceptor,
+        authenticator: RequestAuthenticator,
+    ) = OkHttpClient.Builder().apply {
+        addInterceptor(authInterceptor)
+        authenticator(authenticator)
+        if (BuildConfig.DEBUG) {
+            addInterceptor(HttpLoggingInterceptor().apply {
+                level = HttpLoggingInterceptor.Level.BODY
+            })
+            addInterceptor(chuckerInterceptor)
+            readTimeout(READ_TIME_OUT, TimeUnit.SECONDS)
+        }
+    }.build().apply {
+        authenticator.okHttpClient = this
+    }
+
     @Provides
     fun provideChuckerInterceptor(
         @ApplicationContext context: Context
@@ -46,4 +76,31 @@ class OkHttpClientModule {
             .alwaysReadResponseBody(true)
             .build()
     }
+
+    @Provides
+    fun provideAuthInterceptor(
+        encryptedSharedPreference: NetworkEncryptedSharedPreferences
+    ): AuthInterceptor {
+        return AuthInterceptor(encryptedSharedPreference)
+    }
+
+    @Provides
+    fun provideNetworkEncryptedSharedPreferences(
+        @ApplicationContext context: Context,
+    ): NetworkEncryptedSharedPreferences {
+        return NetworkEncryptedSharedPreferences(context)
+    }
+
+    @Provides
+    fun provideRequestAuthenticator(
+        dispatchersProvider: DispatchersProvider,
+        getAuthStatusUseCase: GetAuthStatusUseCase,
+        refreshTokenUseCase: RefreshTokenUseCase,
+        updateLoginTokensUseCase: UpdateLoginTokensUseCase,
+    ): RequestAuthenticator = RequestAuthenticator(
+        dispatchersProvider = dispatchersProvider,
+        getAuthStatusUseCase = getAuthStatusUseCase,
+        refreshTokenUseCase = refreshTokenUseCase,
+        updateLoginTokensUseCase = updateLoginTokensUseCase,
+    )
 }

template-compose/app/src/main/java/co/nimblehq/template/compose/di/modules/PreferencesModule.kt

@@ -6,7 +6,9 @@ import androidx.datastore.preferences.core.PreferenceDataStoreFactory
 import androidx.datastore.preferences.core.Preferences
 import androidx.datastore.preferences.preferencesDataStoreFile
 import co.nimblehq.template.compose.data.repositories.AppPreferencesRepositoryImpl
+import co.nimblehq.template.compose.data.repositories.AuthPreferenceRepositoryImpl
 import co.nimblehq.template.compose.domain.repositories.AppPreferencesRepository
+import co.nimblehq.template.compose.domain.repositories.AuthPreferenceRepository
 import dagger.*
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
@@ -24,6 +26,11 @@ abstract class PreferencesModule {
         appPreferencesRepositoryImpl: AppPreferencesRepositoryImpl
     ): AppPreferencesRepository
 
+    @Binds
+    abstract fun bindAuthPreferencesRepository(
+        authPreferenceRepositoryImpl: AuthPreferenceRepositoryImpl
+    ): AuthPreferenceRepository
+
     companion object {
         @Singleton
         @Provides

template-compose/app/src/main/java/co/nimblehq/template/compose/di/modules/RetrofitModule.kt

@@ -1,8 +1,10 @@
 package co.nimblehq.template.compose.di.modules
 
-import co.nimblehq.template.compose.BuildConfig
 import co.nimblehq.template.compose.data.remote.providers.*
 import co.nimblehq.template.compose.data.remote.services.ApiService
+import co.nimblehq.template.compose.data.remote.services.AuthorizedApiService
+import co.nimblehq.template.compose.di.Authorized
+import co.nimblehq.template.compose.di.Unauthorized
 import com.squareup.moshi.Moshi
 import dagger.Module
 import dagger.Provides
@@ -11,28 +13,61 @@ import dagger.hilt.components.SingletonComponent
 import okhttp3.OkHttpClient
 import retrofit2.Converter
 import retrofit2.Retrofit
+import java.util.Properties
+
+private const val API_CONFIG_PROPERTIES = "api-config.properties"
 
 @Module
 @InstallIn(SingletonComponent::class)
 class RetrofitModule {
 
     @Provides
-    fun provideBaseApiUrl() = BuildConfig.BASE_API_URL
+    fun provideBaseApiUrl(apiConfigProperties: Properties): String =
+        apiConfigProperties.getProperty("BASE_API_URL")
 
     @Provides
     fun provideMoshiConverterFactory(moshi: Moshi): Converter.Factory =
         ConverterFactoryProvider.getMoshiConverterFactory(moshi)
 
+    @Unauthorized
     @Provides
     fun provideRetrofit(
         baseUrl: String,
-        okHttpClient: OkHttpClient,
+        @Unauthorized okHttpClient: OkHttpClient,
+        converterFactory: Converter.Factory,
+    ): Retrofit = RetrofitProvider
+        .getRetrofitBuilder(baseUrl, okHttpClient, converterFactory)
+        .build()
+
+    @Authorized
+    @Provides
+    fun provideAuthorizedRetrofit(
+        baseUrl: String,
+        @Authorized okHttpClient: OkHttpClient,
         converterFactory: Converter.Factory,
     ): Retrofit = RetrofitProvider
         .getRetrofitBuilder(baseUrl, okHttpClient, converterFactory)
         .build()
 
     @Provides
-    fun provideApiService(retrofit: Retrofit): ApiService =
+    fun provideApiService(@Unauthorized retrofit: Retrofit): ApiService =
         ApiServiceProvider.getApiService(retrofit)
+
+    @Provides
+    fun provideAuthorizedApiService(@Authorized retrofit: Retrofit): AuthorizedApiService =
+        ApiServiceProvider.getAuthorizedService(retrofit)
+
+    @Provides
+    fun loadApiConfigProperties(): Properties {
+        val properties = Properties()
+        val inputStream = this.javaClass.classLoader?.getResourceAsStream(API_CONFIG_PROPERTIES)
+            ?: throw IllegalArgumentException(
+                "$API_CONFIG_PROPERTIES file not found. " +
+                        "Please add $API_CONFIG_PROPERTIES in the :app module /resources folder"
+            )
+
+        properties.load(inputStream)
+
+        return properties
+    }
 }

template-compose/app/src/main/java/co/nimblehq/template/compose/ui/screens/main/home/HomeViewModel.kt

@@ -5,7 +5,7 @@ import co.nimblehq.template.compose.domain.usecases.UseCase
 import co.nimblehq.template.compose.ui.base.BaseViewModel
 import co.nimblehq.template.compose.ui.models.UiModel
 import co.nimblehq.template.compose.ui.models.toUiModel
-import co.nimblehq.template.compose.util.DispatchersProvider
+import co.nimblehq.template.compose.data.util.DispatchersProvider
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.*
 import javax.inject.Inject

template-compose/app/src/main/resources/api-config.properties.sample

@@ -0,0 +1,3 @@
+BASE_API_URL=BASE_API_URL
+CLIENT_ID=CLIENT_ID
+CLIENT_SECRET=CLIENT_SECRET

template-compose/app/src/test/java/co/nimblehq/template/compose/test/CoroutineTestRule.kt

@@ -1,6 +1,6 @@
 package co.nimblehq.template.compose.test
 
-import co.nimblehq.template.compose.util.DispatchersProvider
+import co.nimblehq.template.compose.data.util.DispatchersProvider
 import kotlinx.coroutines.*
 import kotlinx.coroutines.test.*
 import org.junit.rules.TestWatcher

template-compose/app/src/test/java/co/nimblehq/template/compose/ui/screens/main/home/HomeViewModelTest.kt

@@ -5,7 +5,7 @@ import co.nimblehq.template.compose.domain.usecases.UseCase
 import co.nimblehq.template.compose.test.CoroutineTestRule
 import co.nimblehq.template.compose.test.MockUtil
 import co.nimblehq.template.compose.ui.models.toUiModel
-import co.nimblehq.template.compose.util.DispatchersProvider
+import co.nimblehq.template.compose.data.util.DispatchersProvider
 import io.kotest.matchers.shouldBe
 import io.mockk.every
 import io.mockk.mockk

template-compose/buildSrc/src/main/java/Versions.kt

@@ -42,7 +42,7 @@ object Versions {
     const val RETROFIT = "2.9.0"
     const val ROBOLECTRIC = "4.10.2"
 
-    const val SECURITY_CRYPTO = "1.0.0"
+    const val SECURITY_CRYPTO = "1.1.0-alpha06"
 
     const val TIMBER = "4.7.1"
     const val TURBINE = "0.13.0"

template-compose/data/src/main/java/co/nimblehq/template/compose/data/local/preferences/BaseEncryptedSharedPreferences.kt

@@ -0,0 +1,35 @@
+package co.nimblehq.template.compose.data.local.preferences
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKey
+import java.security.KeyStore
+
+abstract class BaseEncryptedSharedPreferences : BaseSharedPreferences() {
+
+    fun deleteExistingPreferences(fileName: String, context: Context) {
+        context.deleteSharedPreferences(fileName)
+    }
+
+    fun deleteMasterKeyEntry() {
+        KeyStore.getInstance("AndroidKeyStore").apply {
+            load(null)
+            deleteEntry(MasterKey.DEFAULT_MASTER_KEY_ALIAS)
+        }
+    }
+
+    fun createEncryptedSharedPreferences(fileName: String, context: Context): SharedPreferences {
+        val masterKey = MasterKey.Builder(context)
+            .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
+            .build()
+
+        return EncryptedSharedPreferences.create(
+            context,
+            fileName,
+            masterKey,
+            EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+            EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+        )
+    }
+}

template-compose/data/src/main/java/co/nimblehq/template/compose/data/local/preferences/BaseSharedPreferences.kt

@@ -4,9 +4,9 @@ import android.content.SharedPreferences
 
 abstract class BaseSharedPreferences {
 
-    protected lateinit var sharedPreferences: SharedPreferences
+    lateinit var sharedPreferences: SharedPreferences
 
-    protected inline fun <reified T> get(key: String): T? =
+    inline fun <reified T> get(key: String): T? =
         if (sharedPreferences.contains(key)) {
             when (T::class) {
                 Boolean::class -> sharedPreferences.getBoolean(key, false) as T?
@@ -20,8 +20,8 @@ abstract class BaseSharedPreferences {
             null
         }
 
-    protected fun <T> set(key: String, value: T) {
-        sharedPreferences.execute {
+    fun <T> set(key: String, value: T, executeWithCommit: Boolean = false) {
+        sharedPreferences.execute(executeWithCommit) {
             when (value) {
                 is Boolean -> it.putBoolean(key, value)
                 is String -> it.putString(key, value)
@@ -32,11 +32,11 @@ abstract class BaseSharedPreferences {
         }
     }
 
-    protected fun remove(key: String) {
-        sharedPreferences.execute { it.remove(key) }
+    fun remove(key: String, executeWithCommit: Boolean = false) {
+        sharedPreferences.execute(executeWithCommit) { it.remove(key) }
     }
 
-    protected fun clearAll() {
-        sharedPreferences.execute { it.clear() }
+    fun clearAll(executeWithCommit: Boolean = false) {
+        sharedPreferences.execute(executeWithCommit) { it.clear() }
     }
 }

template-compose/data/src/main/java/co/nimblehq/template/compose/data/local/preferences/EncryptedSharedPreferences.kt

@@ -1,23 +1,17 @@
 package co.nimblehq.template.compose.data.local.preferences
 
 import android.content.Context
-import androidx.security.crypto.EncryptedSharedPreferences
-import androidx.security.crypto.MasterKeys
 import javax.inject.Inject
 
 private const val APP_SECRET_SHARED_PREFS = "app_secret_shared_prefs"
 
 class EncryptedSharedPreferences @Inject constructor(applicationContext: Context) :
-    BaseSharedPreferences() {
+    BaseEncryptedSharedPreferences() {
 
     init {
-        val masterKey = MasterKeys.getOrCreate(MasterKeys.AES256_GCM_SPEC)
-        sharedPreferences = EncryptedSharedPreferences.create(
-            APP_SECRET_SHARED_PREFS,
-            masterKey,
-            applicationContext,
-            EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
-            EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+        sharedPreferences = createEncryptedSharedPreferences(
+            fileName = APP_SECRET_SHARED_PREFS,
+            context = applicationContext
         )
     }
 }