di: add context and preferences module

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

app/src/main/java/dev/msfjarvis/aps/injection/context/ContextModule.kt

@@ -0,0 +1,19 @@
+package dev.msfjarvis.aps.injection.context
+
+import android.content.Context
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+
+@Module
+@InstallIn(SingletonComponent::class)
+class ContextModule {
+
+  @Provides
+  @FilesDirPath
+  fun providesFilesDirPath(@ApplicationContext context: Context): String {
+    return context.filesDir.path
+  }
+}

app/src/main/java/dev/msfjarvis/aps/injection/context/FilesDirPath.kt

@@ -0,0 +1,7 @@
+package dev.msfjarvis.aps.injection.context
+
+import javax.inject.Qualifier
+
+@Qualifier
+@Retention(AnnotationRetention.RUNTIME)
+annotation class FilesDirPath

app/src/main/java/dev/msfjarvis/aps/injection/prefs/GitPreferences.kt

@@ -0,0 +1,7 @@
+package dev.msfjarvis.aps.injection.prefs
+
+import javax.inject.Qualifier
+
+@Qualifier
+@Retention(AnnotationRetention.RUNTIME)
+annotation class GitPreferences

app/src/main/java/dev/msfjarvis/aps/injection/prefs/PreferenceModule.kt

@@ -0,0 +1,52 @@
+package dev.msfjarvis.aps.injection.prefs
+
+import android.content.Context
+import android.content.Context.MODE_PRIVATE
+import android.content.SharedPreferences
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKey
+import dagger.Module
+import dagger.Provides
+import dagger.Reusable
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import dev.msfjarvis.aps.BuildConfig
+
+@Module
+@InstallIn(SingletonComponent::class)
+class PreferenceModule {
+
+  private fun provideBaseEncryptedPreferences(context: Context, fileName: String): SharedPreferences {
+    val masterKeyAlias =
+      MasterKey.Builder(context).setKeyScheme(MasterKey.KeyScheme.AES256_GCM).build()
+    return EncryptedSharedPreferences.create(
+      context,
+      fileName,
+      masterKeyAlias,
+      EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+      EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+    )
+  }
+
+  @Provides
+  @SettingsPreferences
+  @Reusable
+  fun provideSettingsPreferences(@ApplicationContext context: Context): SharedPreferences {
+    return context.getSharedPreferences("${BuildConfig.APPLICATION_ID}_preferences", MODE_PRIVATE)
+  }
+
+  @Provides
+  @GitPreferences
+  @Reusable
+  fun provideEncryptedPreferences(@ApplicationContext context: Context): SharedPreferences {
+    return provideBaseEncryptedPreferences(context, "git_operation")
+  }
+
+  @Provides
+  @ProxyPreferences
+  @Reusable
+  fun provideProxyPreferences(@ApplicationContext context: Context): SharedPreferences {
+    return provideBaseEncryptedPreferences(context, "http_proxy")
+  }
+}

app/src/main/java/dev/msfjarvis/aps/injection/prefs/ProxyPreferences.kt

@@ -0,0 +1,7 @@
+package dev.msfjarvis.aps.injection.prefs
+
+import javax.inject.Qualifier
+
+@Qualifier
+@Retention(AnnotationRetention.RUNTIME)
+annotation class ProxyPreferences

app/src/main/java/dev/msfjarvis/aps/injection/prefs/SettingsPreferences.kt

@@ -0,0 +1,7 @@
+package dev.msfjarvis.aps.injection.prefs
+
+import javax.inject.Qualifier
+
+@Qualifier
+@Retention(AnnotationRetention.RUNTIME)
+annotation class SettingsPreferences