Add plumbing and placeholder screens for parental consent flow.

Bug: 188847063
Test: adb shell am start -a android.settings.BIOMETRIC_ENROLL --ez require_consent true
Test: atest com.android.settings.biometrics.ParentalConsentHelperTest
Change-Id: Ie136036d5f550775fd0b021979581a5d222f1b68
This commit is contained in:
Joe Bolinger
2021-06-10 13:36:38 -07:00
parent d0adfa7b3e
commit a8808f7368
10 changed files with 801 additions and 114 deletions

View File

@@ -19,6 +19,9 @@ package com.android.settings.biometrics;
import static android.provider.Settings.ACTION_BIOMETRIC_ENROLL;
import static android.provider.Settings.EXTRA_BIOMETRIC_AUTHENTICATORS_ALLOWED;
import static com.android.settings.biometrics.BiometricEnrollBase.RESULT_CONSENT_DENIED;
import static com.android.settings.biometrics.BiometricEnrollBase.RESULT_CONSENT_GRANTED;
import android.annotation.NonNull;
import android.app.admin.DevicePolicyManager;
import android.app.settings.SettingsEnums;
@@ -64,6 +67,8 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
private static final int REQUEST_CHOOSE_LOCK = 1;
private static final int REQUEST_CONFIRM_LOCK = 2;
// prompt for parental consent options
private static final int REQUEST_CHOOSE_OPTIONS = 3;
public static final int RESULT_SKIP = BiometricEnrollBase.RESULT_SKIP;
@@ -71,8 +76,12 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
// this only applies to fingerprint.
public static final String EXTRA_SKIP_INTRO = "skip_intro";
// TODO: temporary while waiting for team to add real flag
public static final String EXTRA_TEMP_REQUIRE_PARENTAL_CONSENT = "require_consent";
private static final String SAVED_STATE_CONFIRMING_CREDENTIALS = "confirming_credentials";
private static final String SAVED_STATE_ENROLL_ACTION_LOGGED = "enroll_action_logged";
private static final String SAVED_STATE_PARENTAL_OPTIONS = "enroll_preferences";
private static final String SAVED_STATE_GK_PW_HANDLE = "gk_pw_handle";
public static final class InternalActivity extends BiometricEnrollActivity {}
@@ -80,9 +89,14 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
private int mUserId = UserHandle.myUserId();
private boolean mConfirmingCredentials;
private boolean mIsEnrollActionLogged;
private boolean mIsFaceEnrollable;
private boolean mIsFingerprintEnrollable;
private boolean mHasFeatureFace = false;
private boolean mHasFeatureFingerprint = false;
private boolean mIsFaceEnrollable = false;
private boolean mIsFingerprintEnrollable = false;
private boolean mParentalOptionsRequired = false;
private Bundle mParentalOptions;
@Nullable private Long mGkPwHandle;
@Nullable private ParentalConsentHelper mParentalConsentHelper;
@Nullable private MultiBiometricEnrollHelper mMultiBiometricEnrollHelper;
@Override
@@ -101,6 +115,7 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
SAVED_STATE_CONFIRMING_CREDENTIALS, false);
mIsEnrollActionLogged = savedInstanceState.getBoolean(
SAVED_STATE_ENROLL_ACTION_LOGGED, false);
mParentalOptions = savedInstanceState.getBundle(SAVED_STATE_PARENTAL_OPTIONS);
if (savedInstanceState.containsKey(SAVED_STATE_GK_PW_HANDLE)) {
mGkPwHandle = savedInstanceState.getLong(SAVED_STATE_GK_PW_HANDLE);
}
@@ -141,52 +156,98 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
SetupWizardUtils.getThemeString(intent));
}
// Default behavior is to enroll BIOMETRIC_WEAK or above. See ACTION_BIOMETRIC_ENROLL.
final int authenticators = intent.getIntExtra(
EXTRA_BIOMETRIC_AUTHENTICATORS_ALLOWED, Authenticators.BIOMETRIC_WEAK);
final PackageManager pm = getApplicationContext().getPackageManager();
mHasFeatureFingerprint = pm.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT);
mHasFeatureFace = pm.hasSystemFeature(PackageManager.FEATURE_FACE);
// determine what can be enrolled
final boolean isSetupWizard = WizardManagerHelper.isAnySetupWizard(getIntent());
if (mHasFeatureFace) {
final FaceManager faceManager = getSystemService(FaceManager.class);
final List<FaceSensorPropertiesInternal> faceProperties =
faceManager.getSensorPropertiesInternal();
if (!faceProperties.isEmpty()) {
final int maxEnrolls =
isSetupWizard ? 1 : faceProperties.get(0).maxEnrollmentsPerUser;
mIsFaceEnrollable =
faceManager.getEnrolledFaces(mUserId).size() < maxEnrolls;
}
}
if (mHasFeatureFingerprint) {
final FingerprintManager fpManager = getSystemService(FingerprintManager.class);
final List<FingerprintSensorPropertiesInternal> fpProperties =
fpManager.getSensorPropertiesInternal();
if (!fpProperties.isEmpty()) {
final int maxEnrolls =
isSetupWizard ? 1 : fpProperties.get(0).maxEnrollmentsPerUser;
mIsFingerprintEnrollable =
fpManager.getEnrolledFingerprints(mUserId).size() < maxEnrolls;
}
}
// TODO(b/188847063): replace with real flag when ready
mParentalOptionsRequired = intent.getBooleanExtra(
BiometricEnrollActivity.EXTRA_TEMP_REQUIRE_PARENTAL_CONSENT, false);
if (mParentalOptionsRequired && mParentalOptions == null) {
mParentalConsentHelper = new ParentalConsentHelper(
mIsFaceEnrollable, mIsFingerprintEnrollable, mGkPwHandle);
setOrConfirmCredentialsNow();
} else {
startEnroll();
}
}
private void startEnroll() {
// TODO(b/188847063): This can be deleted, but log it now until it's wired up for real.
if (mParentalOptionsRequired) {
if (mParentalOptions == null) {
throw new IllegalStateException("consent options required, but not set");
}
Log.d(TAG, "consent for face: "
+ ParentalConsentHelper.hasFaceConsent(mParentalOptions));
Log.d(TAG, "consent for fingerprint: "
+ ParentalConsentHelper.hasFingerprintConsent(mParentalOptions));
} else {
Log.d(TAG, "startEnroll without requiring consent");
}
// Default behavior is to enroll BIOMETRIC_WEAK or above. See ACTION_BIOMETRIC_ENROLL.
final int authenticators = getIntent().getIntExtra(
EXTRA_BIOMETRIC_AUTHENTICATORS_ALLOWED, Authenticators.BIOMETRIC_WEAK);
Log.d(TAG, "Authenticators: " + authenticators);
final PackageManager pm = getApplicationContext().getPackageManager();
final boolean hasFeatureFingerprint =
pm.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT);
final boolean hasFeatureFace = pm.hasSystemFeature(PackageManager.FEATURE_FACE);
final boolean isSetupWizard = WizardManagerHelper.isAnySetupWizard(getIntent());
startEnrollWith(authenticators, WizardManagerHelper.isAnySetupWizard(getIntent()));
}
if (isSetupWizard) {
if (hasFeatureFace && hasFeatureFingerprint) {
setupForMultiBiometricEnroll();
} else if (hasFeatureFace) {
launchFaceOnlyEnroll();
} else if (hasFeatureFingerprint) {
launchFingerprintOnlyEnroll();
} else {
Log.e(TAG, "No biometrics but started by SUW?");
finish();
}
} else {
// If the caller is not setup wizard, and the user has something enrolled, finish.
private void startEnrollWith(@Authenticators.Types int authenticators, boolean setupWizard) {
// If the caller is not setup wizard, and the user has something enrolled, finish.
if (!setupWizard) {
final BiometricManager bm = getSystemService(BiometricManager.class);
final @BiometricError int result = bm.canAuthenticate(authenticators);
if (result != BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED) {
Log.e(TAG, "Unexpected result: " + result);
Log.e(TAG, "Unexpected result (has enrollments): " + result);
finish();
return;
}
}
// This will need to be updated if the device has sensors other than BIOMETRIC_STRONG
if (authenticators == BiometricManager.Authenticators.DEVICE_CREDENTIAL) {
launchCredentialOnlyEnroll();
} else if (hasFeatureFace && hasFeatureFingerprint) {
setupForMultiBiometricEnroll();
} else if (hasFeatureFingerprint) {
launchFingerprintOnlyEnroll();
} else if (hasFeatureFace) {
launchFaceOnlyEnroll();
// This will need to be updated if the device has sensors other than BIOMETRIC_STRONG
if (!setupWizard && authenticators == BiometricManager.Authenticators.DEVICE_CREDENTIAL) {
launchCredentialOnlyEnroll();
} else if (mHasFeatureFace && mHasFeatureFingerprint) {
if (mParentalOptionsRequired && mGkPwHandle != null) {
launchFaceAndFingerprintEnroll();
} else {
Log.e(TAG, "Unknown state, finishing");
finish();
setOrConfirmCredentialsNow();
}
} else if (mHasFeatureFingerprint) {
launchFingerprintOnlyEnroll();
} else if (mHasFeatureFace) {
launchFaceOnlyEnroll();
} else {
Log.e(TAG, "Unknown state, finishing (was SUW: " + setupWizard + ")");
finish();
}
}
@@ -195,6 +256,9 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
super.onSaveInstanceState(outState);
outState.putBoolean(SAVED_STATE_CONFIRMING_CREDENTIALS, mConfirmingCredentials);
outState.putBoolean(SAVED_STATE_ENROLL_ACTION_LOGGED, mIsEnrollActionLogged);
if (mParentalOptions != null) {
outState.putBundle(SAVED_STATE_PARENTAL_OPTIONS, mParentalOptions);
}
if (mGkPwHandle != null) {
outState.putLong(SAVED_STATE_GK_PW_HANDLE, mGkPwHandle);
}
@@ -204,31 +268,84 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// single enrollment is handled entirely by the launched activity
// this handles multi enroll or if parental consent is required
if (mParentalConsentHelper != null) {
handleOnActivityResultWhileConsenting(requestCode, resultCode, data);
} else {
handleOnActivityResultWhileEnrollingMultiple(requestCode, resultCode, data);
}
}
// handles responses while parental consent is pending
private void handleOnActivityResultWhileConsenting(
int requestCode, int resultCode, Intent data) {
overridePendingTransition(R.anim.sud_slide_next_in, R.anim.sud_slide_next_out);
switch (requestCode) {
case REQUEST_CHOOSE_LOCK:
case REQUEST_CONFIRM_LOCK:
mConfirmingCredentials = false;
if (isSuccessfulConfirmOrChooseCredential(requestCode, resultCode)) {
updateGatekeeperPasswordHandle(data);
if (!mParentalConsentHelper.launchNext(this, REQUEST_CHOOSE_OPTIONS)) {
Log.e(TAG, "Nothing to prompt for consent (no modalities enabled)!");
finish();
}
} else {
Log.d(TAG, "Unknown result for set/choose lock: " + resultCode);
setResult(resultCode);
finish();
}
break;
case REQUEST_CHOOSE_OPTIONS:
if (resultCode == RESULT_CONSENT_GRANTED || resultCode == RESULT_CONSENT_DENIED) {
final boolean isStillPrompting = mParentalConsentHelper.launchNext(
this, REQUEST_CHOOSE_OPTIONS, resultCode, data);
if (!isStillPrompting) {
Log.d(TAG, "Enrollment options set, starting enrollment now");
mParentalOptions = mParentalConsentHelper.getConsentResult();
mParentalConsentHelper = null;
startEnroll();
}
} else {
Log.d(TAG, "Unknown or cancelled parental consent");
setResult(RESULT_CANCELED);
finish();
}
break;
default:
Log.w(TAG, "Unknown consenting requestCode: " + requestCode + ", finishing");
finish();
}
}
// handles responses while multi biometric enrollment is pending
private void handleOnActivityResultWhileEnrollingMultiple(
int requestCode, int resultCode, Intent data) {
if (mMultiBiometricEnrollHelper == null) {
overridePendingTransition(R.anim.sud_slide_next_in, R.anim.sud_slide_next_out);
switch (requestCode) {
case REQUEST_CHOOSE_LOCK:
case REQUEST_CONFIRM_LOCK:
mConfirmingCredentials = false;
if (resultCode == ChooseLockPattern.RESULT_FINISHED) {
startMultiBiometricEnroll(data);
final boolean isOk =
isSuccessfulConfirmOrChooseCredential(requestCode, resultCode);
// single modality enrollment requests confirmation directly
// via BiometricEnrollBase#onCreate and should never get here
if (isOk && mHasFeatureFace && mHasFeatureFingerprint) {
updateGatekeeperPasswordHandle(data);
launchFaceAndFingerprintEnroll();
} else {
Log.d(TAG, "Unknown result for chooseLock: " + resultCode);
Log.d(TAG, "Unknown result for set/choose lock: " + resultCode);
setResult(resultCode);
finish();
}
break;
case REQUEST_CONFIRM_LOCK:
mConfirmingCredentials = false;
if (resultCode == RESULT_OK) {
startMultiBiometricEnroll(data);
} else {
Log.d(TAG, "Unknown result for confirmLock: " + resultCode);
finish();
}
break;
default:
Log.d(TAG, "Unknown requestCode: " + requestCode + ", finishing");
Log.w(TAG, "Unknown enrolling requestCode: " + requestCode + ", finishing");
finish();
}
} else {
@@ -236,18 +353,28 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
}
}
private static boolean isSuccessfulConfirmOrChooseCredential(int requestCode, int resultCode) {
final boolean okChoose = requestCode == REQUEST_CHOOSE_LOCK
&& resultCode == ChooseLockPattern.RESULT_FINISHED;
final boolean okConfirm = requestCode == REQUEST_CONFIRM_LOCK
&& resultCode == RESULT_OK;
return okChoose || okConfirm;
}
@Override
protected void onApplyThemeResource(Resources.Theme theme, int resid, boolean first) {
final int new_resid = SetupWizardUtils.getTheme(this, getIntent());
final int newResid = SetupWizardUtils.getTheme(this, getIntent());
theme.applyStyle(R.style.SetupWizardPartnerResource, true);
super.onApplyThemeResource(theme, new_resid, first);
super.onApplyThemeResource(theme, newResid, first);
}
@Override
protected void onStop() {
super.onStop();
if (mConfirmingCredentials || mMultiBiometricEnrollHelper != null) {
if (mConfirmingCredentials
|| mMultiBiometricEnrollHelper != null
|| mParentalConsentHelper != null) {
return;
}
@@ -257,7 +384,8 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
}
}
private void setupForMultiBiometricEnroll() {
private void setOrConfirmCredentialsNow() {
if (!mConfirmingCredentials) {
mConfirmingCredentials = true;
if (!userHasPassword(mUserId)) {
@@ -268,37 +396,11 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
}
}
private void startMultiBiometricEnroll(Intent data) {
final boolean isSetupWizard = WizardManagerHelper.isAnySetupWizard(getIntent());
final FingerprintManager fingerprintManager = getSystemService(FingerprintManager.class);
final FaceManager faceManager = getSystemService(FaceManager.class);
final List<FingerprintSensorPropertiesInternal> fpProperties =
fingerprintManager.getSensorPropertiesInternal();
final List<FaceSensorPropertiesInternal> faceProperties =
faceManager.getSensorPropertiesInternal();
private void updateGatekeeperPasswordHandle(@NonNull Intent data) {
mGkPwHandle = BiometricUtils.getGatekeeperPasswordHandle(data);
if (isSetupWizard) {
// This would need to be updated for devices with multiple sensors of the same modality
mIsFaceEnrollable = !faceProperties.isEmpty()
&& faceManager.getEnrolledFaces(mUserId).size() == 0;
mIsFingerprintEnrollable = !fpProperties.isEmpty()
&& fingerprintManager.getEnrolledFingerprints(mUserId).size() == 0;
} else {
// This would need to be updated for devices with multiple sensors of the same modality
mIsFaceEnrollable = !faceProperties.isEmpty()
&& faceManager.getEnrolledFaces(mUserId).size()
< faceProperties.get(0).maxEnrollmentsPerUser;
mIsFingerprintEnrollable = !fpProperties.isEmpty()
&& fingerprintManager.getEnrolledFingerprints(mUserId).size()
< fpProperties.get(0).maxEnrollmentsPerUser;
if (mParentalConsentHelper != null) {
mParentalConsentHelper.updateGatekeeperHandle(data);
}
mMultiBiometricEnrollHelper = new MultiBiometricEnrollHelper(this, mUserId,
mIsFaceEnrollable, mIsFingerprintEnrollable, mGkPwHandle);
mMultiBiometricEnrollHelper.startNextStep();
}
private boolean userHasPassword(int userId) {
@@ -310,6 +412,7 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
private void launchChooseLock() {
Log.d(TAG, "launchChooseLock");
Intent intent = BiometricUtils.getChooseLockIntent(this, getIntent());
intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment.HIDE_INSECURE_OPTIONS, true);
intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_REQUEST_GK_PW_HANDLE, true);
@@ -323,6 +426,7 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
private void launchConfirmLock() {
Log.d(TAG, "launchConfirmLock");
final ChooseLockSettingsHelper.Builder builder = new ChooseLockSettingsHelper.Builder(this);
builder.setRequestCode(REQUEST_CONFIRM_LOCK)
.setRequestGatekeeperPasswordHandle(true)
@@ -346,7 +450,7 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
* @param intent Enrollment activity that should be started (e.g. FaceEnrollIntroduction.class,
* etc).
*/
private void launchEnrollActivity(@NonNull Intent intent) {
private void launchSingleSensorEnrollActivity(@NonNull Intent intent) {
intent.setFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
byte[] hardwareAuthToken = null;
if (this instanceof InternalActivity) {
@@ -362,7 +466,7 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
// If only device credential was specified, ask the user to only set that up.
intent = new Intent(this, ChooseLockGeneric.class);
intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment.HIDE_INSECURE_OPTIONS, true);
launchEnrollActivity(intent);
launchSingleSensorEnrollActivity(intent);
}
private void launchFingerprintOnlyEnroll() {
@@ -374,12 +478,18 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
} else {
intent = BiometricUtils.getFingerprintIntroIntent(this, getIntent());
}
launchEnrollActivity(intent);
launchSingleSensorEnrollActivity(intent);
}
private void launchFaceOnlyEnroll() {
final Intent intent = BiometricUtils.getFaceIntroIntent(this, getIntent());
launchEnrollActivity(intent);
launchSingleSensorEnrollActivity(intent);
}
private void launchFaceAndFingerprintEnroll() {
mMultiBiometricEnrollHelper = new MultiBiometricEnrollHelper(this, mUserId,
mIsFaceEnrollable, mIsFingerprintEnrollable, mGkPwHandle);
mMultiBiometricEnrollHelper.startNextStep();
}
@Override