Merge "[Settings] Move display of VPN version into summary text" into qt-dev
diff --git a/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceDashboardFragment.java b/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceDashboardFragment.java
index 0d130d9..fe14c52 100644
--- a/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceDashboardFragment.java
+++ b/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceDashboardFragment.java
@@ -18,12 +18,16 @@
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.content.pm.UserInfo;
+import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.SearchIndexableResource;
 
 import com.android.settings.R;
 import com.android.settings.bluetooth.BluetoothFilesPreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.nfc.AndroidBeamPreferenceController;
+import com.android.settings.nfc.SecureNfcPreferenceController;
 import com.android.settings.print.PrintSettingPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -106,6 +110,11 @@
                     if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC)) {
                         keys.add(AndroidBeamPreferenceController.KEY_ANDROID_BEAM_SETTINGS);
                     }
+                    final UserManager userManager = context.getSystemService(UserManager.class);
+                    final UserInfo myUserInfo = userManager.getUserInfo(UserHandle.myUserId());
+                    if (myUserInfo.isGuest()) {
+                        keys.add(SecureNfcPreferenceController.KEY_SECURENFC_SETTINGS);
+                    }
 
                     return keys;
                 }
diff --git a/src/com/android/settings/network/PrivateDnsPreferenceController.java b/src/com/android/settings/network/PrivateDnsPreferenceController.java
index 47c3a95..b743451 100644
--- a/src/com/android/settings/network/PrivateDnsPreferenceController.java
+++ b/src/com/android/settings/network/PrivateDnsPreferenceController.java
@@ -84,9 +84,12 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return mContext.getResources().getBoolean(R.bool.config_show_private_dns_settings)
-                ? AVAILABLE
-                : UNSUPPORTED_ON_DEVICE;
+        if (!mContext.getResources().getBoolean(R.bool.config_show_private_dns_settings)) {
+            return UNSUPPORTED_ON_DEVICE;
+        }
+        final UserManager userManager = mContext.getSystemService(UserManager.class);
+        if (userManager.isGuestUser()) return DISABLED_FOR_USER;
+        return AVAILABLE;
     }
 
     @Override
diff --git a/src/com/android/settings/nfc/SecureNfcEnabler.java b/src/com/android/settings/nfc/SecureNfcEnabler.java
index 9acaf64..f31a382 100644
--- a/src/com/android/settings/nfc/SecureNfcEnabler.java
+++ b/src/com/android/settings/nfc/SecureNfcEnabler.java
@@ -18,9 +18,8 @@
 
 import android.content.Context;
 import android.nfc.NfcAdapter;
-import android.provider.Settings;
+import android.os.UserManager;
 
-import androidx.annotation.VisibleForTesting;
 import androidx.preference.SwitchPreference;
 
 import com.android.settings.R;
@@ -32,10 +31,12 @@
  */
 public class SecureNfcEnabler extends BaseNfcEnabler {
     private final SwitchPreference mPreference;
+    private final UserManager mUserManager;
 
     public SecureNfcEnabler(Context context, SwitchPreference preference) {
         super(context);
         mPreference = preference;
+        mUserManager = context.getSystemService(UserManager.class);
     }
 
     @Override
@@ -48,7 +49,7 @@
             case NfcAdapter.STATE_ON:
                 mPreference.setSummary(R.string.nfc_secure_toggle_summary);
                 mPreference.setChecked(mPreference.isChecked());
-                mPreference.setEnabled(true);
+                mPreference.setEnabled(isToggleable());
                 break;
             case NfcAdapter.STATE_TURNING_ON:
                 mPreference.setEnabled(false);
@@ -58,4 +59,11 @@
                 break;
         }
     }
+
+    private boolean isToggleable() {
+        if (mUserManager.isGuestUser()) {
+            return false;
+        }
+        return true;
+    }
 }
diff --git a/src/com/android/settings/nfc/SecureNfcPreferenceController.java b/src/com/android/settings/nfc/SecureNfcPreferenceController.java
index 12dbd57..1a514a6 100644
--- a/src/com/android/settings/nfc/SecureNfcPreferenceController.java
+++ b/src/com/android/settings/nfc/SecureNfcPreferenceController.java
@@ -29,6 +29,7 @@
 public class SecureNfcPreferenceController extends TogglePreferenceController
         implements LifecycleObserver, OnResume, OnPause {
 
+    public static final String KEY_SECURENFC_SETTINGS = "nfc_secure_settings";
     private final NfcAdapter mNfcAdapter;
     private SecureNfcEnabler mSecureNfcEnabler;
 
diff --git a/src/com/android/settings/security/CredentialStorage.java b/src/com/android/settings/security/CredentialStorage.java
index 0ea37b5..31460c4 100644
--- a/src/com/android/settings/security/CredentialStorage.java
+++ b/src/com/android/settings/security/CredentialStorage.java
@@ -92,7 +92,7 @@
         final String action = intent.getAction();
         final UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
         if (!userManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_CREDENTIALS)) {
-            if (ACTION_RESET.equals(action)) {
+            if (ACTION_RESET.equals(action) && checkCallerIsSelf()) {
                 new ResetDialog();
             } else {
                 if (ACTION_INSTALL.equals(action) && checkCallerIsCertInstallerOrSelfInProfile()) {
@@ -342,6 +342,19 @@
     }
 
     /**
+     * Check that the caller is Settings.
+     */
+    private boolean checkCallerIsSelf() {
+        try {
+            return Process.myUid() == android.app.ActivityManager.getService()
+                    .getLaunchedFromUid(getActivityToken());
+        } catch (RemoteException re) {
+            // Error talking to ActivityManager, just give up
+            return false;
+        }
+    }
+
+    /**
      * Check that the caller is either certinstaller or Settings running in a profile of this user.
      */
     private boolean checkCallerIsCertInstallerOrSelfInProfile() {
diff --git a/src/com/android/settings/users/AppRestrictionsFragment.java b/src/com/android/settings/users/AppRestrictionsFragment.java
index 7b15e8a..6780b20 100644
--- a/src/com/android/settings/users/AppRestrictionsFragment.java
+++ b/src/com/android/settings/users/AppRestrictionsFragment.java
@@ -18,6 +18,7 @@
 
 import android.app.Activity;
 import android.app.settings.SettingsEnums;
+import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -37,6 +38,7 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.util.EventLog;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -635,7 +637,15 @@
             } else if (restrictionsIntent != null) {
                 preference.setRestrictions(restrictions);
                 if (invokeIfCustom && AppRestrictionsFragment.this.isResumed()) {
-                    assertSafeToStartCustomActivity(restrictionsIntent);
+                    try {
+                        assertSafeToStartCustomActivity(restrictionsIntent);
+                    } catch (ActivityNotFoundException | SecurityException e) {
+                        // return without startActivity
+                        Log.e(TAG, "Cannot start restrictionsIntent " + e);
+                        EventLog.writeEvent(0x534e4554, "200688991", -1 /* UID */, "");
+                        return;
+                    }
+
                     int requestCode = generateCustomActivityRequestCode(
                             RestrictionsResultReceiver.this.preference);
                     AppRestrictionsFragment.this.startActivityForResult(
@@ -649,14 +659,14 @@
             if (intent.getPackage() != null && intent.getPackage().equals(packageName)) {
                 return;
             }
-            // Activity can be started if intent resolves to multiple activities
-            List<ResolveInfo> resolveInfos = AppRestrictionsFragment.this.mPackageManager
-                    .queryIntentActivities(intent, 0 /* no flags */);
-            if (resolveInfos.size() != 1) {
-                return;
+            ResolveInfo resolveInfo = mPackageManager.resolveActivity(
+                    intent, PackageManager.MATCH_DEFAULT_ONLY);
+
+            if (resolveInfo == null) {
+                throw new ActivityNotFoundException("No result for resolving " + intent);
             }
             // Prevent potential privilege escalation
-            ActivityInfo activityInfo = resolveInfos.get(0).activityInfo;
+            ActivityInfo activityInfo = resolveInfo.activityInfo;
             if (!packageName.equals(activityInfo.packageName)) {
                 throw new SecurityException("Application " + packageName
                         + " is not allowed to start activity " + intent);
diff --git a/src/com/android/settings/users/EditUserPhotoController.java b/src/com/android/settings/users/EditUserPhotoController.java
index f62a2d5..71f4e78 100644
--- a/src/com/android/settings/users/EditUserPhotoController.java
+++ b/src/com/android/settings/users/EditUserPhotoController.java
@@ -21,6 +21,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.graphics.Bitmap;
@@ -77,6 +78,7 @@
     private static final int REQUEST_CODE_TAKE_PHOTO   = 1002;
     private static final int REQUEST_CODE_CROP_PHOTO   = 1003;
 
+    private static final String PRE_CROP_PICTURE_FILE_NAME = "PreCropEditUserPhoto.jpg";
     private static final String CROP_PICTURE_FILE_NAME = "CropEditUserPhoto.jpg";
     private static final String TAKE_PICTURE_FILE_NAME = "TakeEditUserPhoto2.jpg";
     private static final String NEW_USER_PHOTO_FILE_NAME = "NewUserPhoto.png";
@@ -87,6 +89,7 @@
     private final Fragment mFragment;
     private final ImageView mImageView;
 
+    private final Uri mPreCropPictureUri;
     private final Uri mCropPictureUri;
     private final Uri mTakePictureUri;
 
@@ -98,6 +101,8 @@
         mContext = view.getContext();
         mFragment = fragment;
         mImageView = view;
+
+        mPreCropPictureUri = createTempImageUri(mContext, PRE_CROP_PICTURE_FILE_NAME, !waiting);
         mCropPictureUri = createTempImageUri(mContext, CROP_PICTURE_FILE_NAME, !waiting);
         mTakePictureUri = createTempImageUri(mContext, TAKE_PICTURE_FILE_NAME, !waiting);
         mPhotoSize = getPhotoSize(mContext);
@@ -132,7 +137,7 @@
             case REQUEST_CODE_TAKE_PHOTO:
             case REQUEST_CODE_CHOOSE_PHOTO:
                 if (mTakePictureUri.equals(pictureUri)) {
-                    cropPhoto();
+                    cropPhoto(pictureUri);
                 } else {
                     copyAndCropPhoto(pictureUri);
                 }
@@ -241,7 +246,7 @@
             protected Void doInBackground(Void... params) {
                 final ContentResolver cr = mContext.getContentResolver();
                 try (InputStream in = cr.openInputStream(pictureUri);
-                        OutputStream out = cr.openOutputStream(mTakePictureUri)) {
+                        OutputStream out = cr.openOutputStream(mPreCropPictureUri)) {
                     Streams.copy(in, out);
                 } catch (IOException e) {
                     Log.w(TAG, "Failed to copy photo", e);
@@ -252,27 +257,38 @@
             @Override
             protected void onPostExecute(Void result) {
                 if (!mFragment.isAdded()) return;
-                cropPhoto();
+                cropPhoto(mPreCropPictureUri);
             }
         }.execute();
     }
 
-    private void cropPhoto() {
+    private void cropPhoto(final Uri pictureUri) {
         // TODO: Use a public intent, when there is one.
         Intent intent = new Intent("com.android.camera.action.CROP");
-        intent.setDataAndType(mTakePictureUri, "image/*");
+        intent.setDataAndType(pictureUri, "image/*");
         appendOutputExtra(intent, mCropPictureUri);
         appendCropExtras(intent);
-        if (intent.resolveActivity(mContext.getPackageManager()) != null) {
-            try {
-                StrictMode.disableDeathOnFileUriExposure();
-                mFragment.startActivityForResult(intent, REQUEST_CODE_CROP_PHOTO);
-            } finally {
-                StrictMode.enableDeathOnFileUriExposure();
+        try {
+            StrictMode.disableDeathOnFileUriExposure();
+            if (startSystemActivityForResult(intent, REQUEST_CODE_CROP_PHOTO)) {
+                return;
             }
-        } else {
-            onPhotoCropped(mTakePictureUri, false);
+        } finally {
+            StrictMode.enableDeathOnFileUriExposure();
         }
+        onPhotoCropped(mTakePictureUri, false);
+    }
+
+    private boolean startSystemActivityForResult(Intent intent, int code) {
+        ActivityInfo info = intent.resolveActivityInfo(mContext.getPackageManager(),
+                PackageManager.MATCH_SYSTEM_ONLY);
+        if (info == null) {
+            Log.w(TAG, "No system package activity could be found for code " + code);
+            return false;
+        }
+        intent.setPackage(info.packageName);
+        mFragment.startActivityForResult(intent, code);
+        return true;
     }
 
     private void appendOutputExtra(Intent intent, Uri pictureUri) {
diff --git a/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
index 15fa5de..2831a4a 100644
--- a/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
@@ -27,6 +27,7 @@
 import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 
 import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.DISABLED_FOR_USER;
 import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
 
 import static com.google.common.truth.Truth.assertThat;
@@ -36,6 +37,7 @@
 import static org.mockito.Mockito.CALLS_REAL_METHODS;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.spy;
@@ -109,6 +111,8 @@
     private Network mNetwork;
     @Mock
     private Preference mPreference;
+    @Mock
+    private UserManager mUserManager;
     @Captor
     private ArgumentCaptor<NetworkCallback> mCallbackCaptor;
     private PrivateDnsPreferenceController mController;
@@ -127,6 +131,7 @@
         mShadowContentResolver = Shadow.extract(mContentResolver);
         when(mContext.getSystemService(Context.CONNECTIVITY_SERVICE))
                 .thenReturn(mConnectivityManager);
+        when(mContext.getSystemService(UserManager.class)).thenReturn(mUserManager);
         doNothing().when(mConnectivityManager).registerDefaultNetworkCallback(
                 mCallbackCaptor.capture(), nullable(Handler.class));
 
@@ -174,6 +179,12 @@
     }
 
     @Test
+    public void getAvailabilityStatus_disabledForGuestUser() {
+        doReturn(true).when(mUserManager).isGuestUser();
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_FOR_USER);
+    }
+
+    @Test
     public void goThroughLifecycle_shouldRegisterUnregisterSettingsObserver() {
         mLifecycle.handleLifecycleEvent(ON_START);
         verify(mContext, atLeastOnce()).getContentResolver();