From 7920117a1aa731c46cd9c3f1dac4155266b6e253 Mon Sep 17 00:00:00 2001
From: Kevin Chyn <kchyn@google.com>
Date: Thu, 22 Apr 2021 14:44:25 -0700
Subject: [PATCH] Do not auth in settings if UDFPS

Fixes: 185670313
Test: manual
Change-Id: I0ccc85aa05807f54a38ff69a81f87e6a63be9504
---
 .../fingerprint/FingerprintSettings.java        | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java b/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java
index f7327a75064..a328f21e578 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java
@@ -29,6 +29,7 @@ import android.content.Intent;
 import android.graphics.drawable.Drawable;
 import android.hardware.fingerprint.Fingerprint;
 import android.hardware.fingerprint.FingerprintManager;
+import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.UserHandle;
@@ -132,6 +133,7 @@ public class FingerprintSettings extends SubSettings {
         protected static final boolean DEBUG = false;
 
         private FingerprintManager mFingerprintManager;
+        private List<FingerprintSensorPropertiesInternal> mSensorProperties;
         private boolean mInFingerprintLockout;
         private byte[] mToken;
         private boolean mLaunchedConfirm;
@@ -262,6 +264,11 @@ public class FingerprintSettings extends SubSettings {
         }
 
         private void retryFingerprint() {
+            if (isUdfps()) {
+                // Do not authenticate for UDFPS devices.
+                return;
+            }
+
             if (mRemovalSidecar.inProgress()
                     || 0 == mFingerprintManager.getEnrolledFingerprints(mUserId).size()) {
                 return;
@@ -288,6 +295,7 @@ public class FingerprintSettings extends SubSettings {
 
             Activity activity = getActivity();
             mFingerprintManager = Utils.getFingerprintManagerOrNull(activity);
+            mSensorProperties = mFingerprintManager.getSensorPropertiesInternal();
 
             mToken = getIntent().getByteArrayExtra(
                     ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
@@ -355,6 +363,15 @@ public class FingerprintSettings extends SubSettings {
                     linkInfo, adminLinkInfo);
         }
 
+        private boolean isUdfps() {
+            for (FingerprintSensorPropertiesInternal prop : mSensorProperties) {
+                if (prop.isAnyUdfpsType()) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
         protected void removeFingerprintPreference(int fingerprintId) {
             String name = genKey(fingerprintId);
             Preference prefToRemove = findPreference(name);