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"Added Password Protection by Encrypted Shared Preferences"
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49 changes: 49 additions & 0 deletions
49
android/app/src/main/java/rocks/poopjournal/fucksgiven/data/SecureStorage.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package rocks.poopjournal.fucksgiven.data | ||
|
|
||
| import android.content.Context | ||
| import android.content.SharedPreferences | ||
| import androidx.security.crypto.EncryptedSharedPreferences | ||
| import androidx.security.crypto.MasterKeys | ||
|
|
||
| fun getEncryptedSharedPreferences(context: Context): SharedPreferences { | ||
| val masterKeyAlias = MasterKeys.getOrCreate(MasterKeys.AES256_GCM_SPEC) | ||
|
|
||
| return EncryptedSharedPreferences.create( | ||
| "secure_prefs", | ||
| masterKeyAlias, | ||
| context, | ||
| EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV, | ||
| EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM | ||
| ) | ||
| } | ||
|
|
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| fun savePassword(context: Context, password: String) { | ||
| val sharedPreferences = getEncryptedSharedPreferences(context) | ||
| val editor = sharedPreferences.edit() | ||
| editor.putString("user_password", password) | ||
| editor.apply() | ||
| } | ||
|
|
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| fun getPassword(context: Context): String? { | ||
| val sharedPreferences = getEncryptedSharedPreferences(context) | ||
| return sharedPreferences.getString("user_password", null) | ||
| } | ||
|
|
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| fun clearStoredPassword(context: Context) { | ||
| val sharedPreferences = getEncryptedSharedPreferences(context) | ||
| val editor = sharedPreferences.edit() | ||
| editor.remove("user_password") | ||
| editor.apply() | ||
| } | ||
|
|
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| fun setPasswordProtectionEnabled(context: Context, enabled: Boolean) { | ||
| val sharedPreferences = getEncryptedSharedPreferences(context) | ||
| val editor = sharedPreferences.edit() | ||
| editor.putBoolean("password_protection_enabled", enabled) | ||
| editor.apply() | ||
| } | ||
|
|
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| fun getPasswordProtectionEnabled(context: Context): Boolean { | ||
| val sharedPreferences = getEncryptedSharedPreferences(context) | ||
| return sharedPreferences.getBoolean("password_protection_enabled", false) | ||
| } |
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64 changes: 64 additions & 0 deletions
64
...p/src/main/java/rocks/poopjournal/fucksgiven/presentation/screens/PasswordPromptScreen.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package rocks.poopjournal.fucksgiven.presentation.screens | ||
| import rocks.poopjournal.fucksgiven.data.getPassword | ||
|
|
||
| import android.content.Context | ||
| import android.widget.Toast | ||
| import androidx.compose.foundation.Image | ||
| import androidx.compose.foundation.layout.Arrangement | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.layout.size | ||
| import androidx.compose.material3.OutlinedButton | ||
| import androidx.compose.material3.OutlinedTextField | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.res.painterResource | ||
| import androidx.compose.ui.text.input.PasswordVisualTransformation | ||
| import androidx.compose.ui.unit.dp | ||
| import rocks.poopjournal.fucksgiven.R | ||
|
|
||
| @Composable | ||
| fun PasswordPromptScreen(context: Context, onAuthenticated: () -> Unit) { | ||
| var enteredPassword by remember { mutableStateOf("") } | ||
| val storedPassword = getPassword(context) | ||
|
|
||
| Column( | ||
| modifier = Modifier.fillMaxSize(), | ||
| verticalArrangement = Arrangement.Center, | ||
| horizontalAlignment = Alignment.CenterHorizontally, | ||
| ) { | ||
| Image( | ||
| painter = painterResource(R.drawable.fucks), | ||
| contentDescription = "Logo", | ||
| modifier = Modifier.size(200.dp) | ||
| .align(Alignment.CenterHorizontally) | ||
| .padding(vertical = 24.dp) | ||
| ) | ||
| OutlinedTextField( | ||
| value = enteredPassword, | ||
| onValueChange = { enteredPassword = it }, | ||
| label = { Text("Enter Password") }, | ||
| modifier = Modifier.padding(vertical = 16.dp), | ||
| visualTransformation = PasswordVisualTransformation() | ||
| ) | ||
| OutlinedButton(onClick = { | ||
| if (storedPassword == enteredPassword) { | ||
| onAuthenticated() | ||
| } else { | ||
| Toast.makeText(context, "Password is not correct", Toast.LENGTH_SHORT).show() | ||
| } | ||
| }, | ||
| modifier = Modifier.fillMaxWidth(0.3f) | ||
| ) { | ||
| Text(text = "Login") | ||
| } | ||
| } | ||
| } |
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