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Commit cb66c7a0 authored by Liana Kazanova's avatar Liana Kazanova Committed by Automerger Merge Worker
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Merge "Revert "[4/n] FRR data cleanup"" into udc-qpr-dev am: bfb6be36 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24453729



Change-Id: I8cff6038629d351dbbed6f276b4417085f840bd4
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents a48a1477 bfb6be36

services/core/java/com/android/server/biometrics/AuthenticationStatsCollector.java

+0 −22
Original line number Diff line number Diff line
@@ -18,14 +18,10 @@ package com.android.server.biometrics; 


import android.annotation.NonNull;

import android.annotation.Nullable;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.PackageManager;

import android.hardware.face.FaceManager;

import android.hardware.fingerprint.FingerprintManager;

import android.os.UserHandle;



import com.android.internal.R;

import com.android.internal.annotations.VisibleForTesting;
@@ -60,17 +56,6 @@ public class AuthenticationStatsCollector { 
    @NonNull private AuthenticationStatsPersister mAuthenticationStatsPersister;

    @NonNull private BiometricNotification mBiometricNotification;



    private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(@NonNull Context context, @NonNull Intent intent) {

            final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);

            if (userId != UserHandle.USER_NULL

                    && intent.getAction().equals(Intent.ACTION_USER_REMOVED)) {

                onUserRemoved(userId);

            }

        }

    };



    public AuthenticationStatsCollector(@NonNull Context context, int modality,

            @NonNull BiometricNotification biometricNotification) {

        mContext = context;
@@ -79,8 +64,6 @@ public class AuthenticationStatsCollector { 
        mUserAuthenticationStatsMap = new HashMap<>();

        mModality = modality;

        mBiometricNotification = biometricNotification;



        context.registerReceiver(mBroadcastReceiver, new IntentFilter(Intent.ACTION_USER_REMOVED));

    }



    private void initializeUserAuthenticationStatsMap() {
@@ -163,11 +146,6 @@ public class AuthenticationStatsCollector { 
        }

    }



    private void onUserRemoved(final int userId) {

        mUserAuthenticationStatsMap.remove(userId);

        mAuthenticationStatsPersister.removeFrrStats(userId);

    }



    /**

     * Only being used in tests. Callers should not make any changes to the returned

     * authentication stats.

services/core/java/com/android/server/biometrics/AuthenticationStatsPersister.java

+0 −23
Original line number Diff line number Diff line
@@ -93,29 +93,6 @@ public class AuthenticationStatsPersister { 
        return authenticationStatsList;

    }



    /**

     * Remove frr data for a specific user.

     */

    public void removeFrrStats(int userId) {

        try {

            // Copy into a new HashSet to avoid iterator exception.

            Set<String> frrStatsSet = new HashSet<>(readFrrStats());



            // Remove the old authentication stat for the user if it exists.

            for (Iterator<String> iterator = frrStatsSet.iterator(); iterator.hasNext();) {

                String frrStats = iterator.next();

                JSONObject frrStatJson = new JSONObject(frrStats);

                if (getValue(frrStatJson, USER_ID).equals(String.valueOf(userId))) {

                    iterator.remove();

                    break;

                }

            }



            mSharedPreferences.edit().putStringSet(KEY, frrStatsSet).apply();

        } catch (JSONException ignored) {

        }

    }



    /**

     * Persist frr data for a specific user.

     */

services/tests/servicestests/src/com/android/server/biometrics/AuthenticationStatsPersisterTest.java

+0 −14
Original line number Diff line number Diff line
@@ -211,20 +211,6 @@ public class AuthenticationStatsPersisterTest { 
        assertThat(mStringSetArgumentCaptor.getValue()).contains(expectedFrrStats);

    }



    @Test

    public void removeFrrStats_existingUser_shouldUpdateRecord() throws JSONException {

        AuthenticationStats authenticationStats = new AuthenticationStats(USER_ID_1,

                300 /* totalAttempts */, 10 /* rejectedAttempts */,

                0 /* enrollmentNotifications */, BiometricsProtoEnums.MODALITY_FACE);

        when(mSharedPreferences.getStringSet(eq(KEY), anySet())).thenReturn(

                Set.of(buildFrrStats(authenticationStats)));



        mAuthenticationStatsPersister.removeFrrStats(USER_ID_1);



        verify(mEditor).putStringSet(eq(KEY), mStringSetArgumentCaptor.capture());

        assertThat(mStringSetArgumentCaptor.getValue()).doesNotContain(authenticationStats);

    }



    private String buildFrrStats(AuthenticationStats authenticationStats)

            throws JSONException {

        if (authenticationStats.getModality() == BiometricsProtoEnums.MODALITY_FACE) {