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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,116 +1,139 @@ | ||
| package me.lucky.sentry | ||
|
|
||
| import android.content.pm.PackageManager | ||
| import android.content.SharedPreferences | ||
| import android.os.Build | ||
| import android.os.Bundle | ||
| import android.view.View | ||
| import androidx.activity.result.contract.ActivityResultContracts | ||
| import androidx.appcompat.app.AppCompatActivity | ||
| import androidx.biometric.BiometricManager | ||
| import androidx.biometric.BiometricPrompt | ||
| import androidx.core.content.ContextCompat | ||
| import com.google.android.material.snackbar.Snackbar | ||
|
|
||
| import me.lucky.sentry.databinding.ActivityMainBinding | ||
|
|
||
| class MainActivity : AppCompatActivity() { | ||
| private lateinit var binding: ActivityMainBinding | ||
| private lateinit var prefs: PreferencesProxy | ||
| private lateinit var prefs: Preferences | ||
| private lateinit var prefsdb: Preferences | ||
| private lateinit var admin: DeviceAdminManager | ||
|
|
||
| private val registerForDeviceAdmin = | ||
| registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { | ||
| if (it.resultCode != RESULT_OK) binding.toggle.isChecked = false else setOn() | ||
| if (it.resultCode != RESULT_OK) setOff() else setOn() | ||
| } | ||
|
|
||
| private val prefsListener = SharedPreferences.OnSharedPreferenceChangeListener { _, key -> | ||
| prefs.copyTo(prefsdb, key) | ||
| } | ||
|
|
||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| binding = ActivityMainBinding.inflate(layoutInflater) | ||
| setContentView(binding.root) | ||
| init() | ||
| if (initBiometric()) return | ||
| setup() | ||
| } | ||
|
|
||
| override fun onStart() { | ||
| super.onStart() | ||
| prefs.registerListener(prefsListener) | ||
| update() | ||
| } | ||
|
|
||
| override fun onStop() { | ||
| super.onStop() | ||
| prefs.unregisterListener(prefsListener) | ||
| } | ||
|
|
||
| private fun initBiometric(): Boolean { | ||
| val authenticators = BiometricManager.Authenticators.BIOMETRIC_STRONG or | ||
| BiometricManager.Authenticators.DEVICE_CREDENTIAL | ||
| when (BiometricManager | ||
| .from(this) | ||
| .canAuthenticate(authenticators)) | ||
| { | ||
| BiometricManager.BIOMETRIC_SUCCESS -> {} | ||
| else -> return false | ||
| } | ||
| val executor = ContextCompat.getMainExecutor(this) | ||
| val prompt = BiometricPrompt( | ||
| this, | ||
| executor, | ||
| object : BiometricPrompt.AuthenticationCallback() | ||
| { | ||
| override fun onAuthenticationError(errorCode: Int, errString: CharSequence) { | ||
| super.onAuthenticationError(errorCode, errString) | ||
| finishAndRemoveTask() | ||
| } | ||
|
|
||
| override fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult) { | ||
| super.onAuthenticationSucceeded(result) | ||
| setup() | ||
| } | ||
| }) | ||
| prompt.authenticate(BiometricPrompt.PromptInfo.Builder() | ||
| .setTitle(getString(R.string.biometric_title)) | ||
| .setConfirmationRequired(false) | ||
| .setAllowedAuthenticators(authenticators) | ||
| .build()) | ||
| return true | ||
| } | ||
|
|
||
| private fun init() { | ||
| prefs = PreferencesProxy(this) | ||
| prefs.clone() | ||
| prefs = Preferences(this) | ||
| prefsdb = Preferences(this, encrypted = false) | ||
| prefs.copyTo(prefsdb) | ||
| admin = DeviceAdminManager(this) | ||
| if (prefs.isEnabled && prefs.maxFailedPasswordAttempts > 0) | ||
| try { admin.setMaximumFailedPasswordsForWipe(0) } catch (exc: SecurityException) {} | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && | ||
| !packageManager.hasSystemFeature(PackageManager.FEATURE_SECURE_LOCK_SCREEN)) | ||
| hideSecureLockScreenRequired() | ||
| if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S || !admin.canUsbDataSignalingBeDisabled()) | ||
| hideUsbDataSignaling() | ||
| if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S || | ||
| !admin.canUsbDataSignalingBeDisabled() || | ||
| !admin.isDeviceOwner()) | ||
| disableUsbDataSignaling() | ||
| binding.apply { | ||
| maxFailedPasswordAttempts.value = prefs.maxFailedPasswordAttempts.toFloat() | ||
| usbDataSignaling.isChecked = isUsbDataSignalingEnabled() | ||
| toggle.isChecked = prefs.isEnabled | ||
| } | ||
| } | ||
|
|
||
| private fun setup() { | ||
| binding.apply { | ||
| maxFailedPasswordAttempts.addOnChangeListener { _, value, _ -> | ||
| prefs.maxFailedPasswordAttempts = value.toInt() | ||
| } | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) | ||
| usbDataSignaling.setOnCheckedChangeListener { _, isChecked -> | ||
| try { | ||
| admin.setUsbDataSignalingEnabled(isChecked) | ||
| } catch (exc: Exception) { | ||
| Snackbar.make( | ||
| usbDataSignaling, | ||
| R.string.usb_data_signaling_change_failed_popup, | ||
| Snackbar.LENGTH_SHORT, | ||
| ).show() | ||
| usbDataSignaling.isChecked = !isChecked | ||
| } | ||
| private fun setup() = binding.apply { | ||
| maxFailedPasswordAttempts.addOnChangeListener { _, value, _ -> | ||
| prefs.maxFailedPasswordAttempts = value.toInt() | ||
| } | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) | ||
| usbDataSignaling.setOnCheckedChangeListener { _, isChecked -> | ||
| try { admin.setUsbDataSignalingEnabled(isChecked) } catch (exc: Exception) { | ||
| Snackbar.make( | ||
| usbDataSignaling, | ||
| R.string.usb_data_signaling_change_failed_popup, | ||
| Snackbar.LENGTH_SHORT, | ||
| ).show() | ||
| usbDataSignaling.isChecked = !isChecked | ||
| } | ||
| toggle.setOnCheckedChangeListener { _, isChecked -> | ||
| if (isChecked) requestAdmin() else setOff() | ||
| } | ||
| toggle.setOnCheckedChangeListener { _, isChecked -> | ||
| if (isChecked) requestAdmin() else setOff() | ||
| } | ||
| } | ||
|
|
||
| private fun hideSecureLockScreenRequired() { | ||
| binding.apply { | ||
| maxFailedPasswordAttempts.visibility = View.GONE | ||
| maxFailedPasswordAttemptsDescription.visibility = View.GONE | ||
| space.visibility = View.GONE | ||
| } | ||
| } | ||
|
|
||
| private fun hideUsbDataSignaling() { | ||
| binding.apply { | ||
| usbDataSignaling.visibility = View.GONE | ||
| usbDataSignalingDescription.visibility = View.GONE | ||
| } | ||
| } | ||
| private fun disableUsbDataSignaling() { binding.usbDataSignaling.isEnabled = false } | ||
|
|
||
| private fun setOn() { | ||
| prefs.isEnabled = true | ||
| binding.toggle.isChecked = true | ||
| } | ||
|
|
||
| private fun setOff() { | ||
| prefs.isEnabled = false | ||
| try { admin.remove() } catch (exc: SecurityException) {} | ||
| binding.toggle.isChecked = false | ||
| } | ||
|
|
||
| private fun update() { | ||
| binding.usbDataSignaling.isChecked = isUsbDataSignalingEnabled() | ||
| if (prefs.isEnabled && !admin.isActive()) | ||
| Snackbar.make( | ||
| binding.toggle, | ||
| R.string.service_unavailable_popup, | ||
| Snackbar.LENGTH_SHORT, | ||
| ).show() | ||
| } | ||
| private fun update() { binding.usbDataSignaling.isChecked = isUsbDataSignalingEnabled() } | ||
|
|
||
| private fun isUsbDataSignalingEnabled() = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) | ||
| admin.isUsbDataSignalingEnabled() else true | ||
|
|
||
| private fun requestAdmin() = registerForDeviceAdmin.launch(admin.makeRequestIntent()) | ||
| } | ||
| } |
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