Merge remote-tracking branch 'upstream/lineage-18.1' into lineage-18.1lineage-18.1

* upstream/lineage-18.1:
  [DO NOT MERGE] Add SafetyNet logging
  [DO NOT MERGE] Add permission checking to WifiDialogActivity
  Add comment to AndroidManifest

Change-Id: Ib202fed95fe217499b8e7d7d5d075c3beabc95d3

3 files changed, 207 insertions, 9 deletions

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 5b098b4c74..fe5ab39b17 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2729,6 +2729,10 @@
             </intent-filter>
         </activity>
 
+        <!--
+            The Wi-Fi result data will only be returned from WifiDialogActivity if the calling
+            package has ACCESS_COARSE_LOCATION or ACCESS_FINE_LOCATION permission. (see b/185126813)
+        -->
         <activity
             android:name=".wifi.WifiDialogActivity"
             android:label=""
diff --git a/src/com/android/settings/wifi/WifiDialogActivity.java b/src/com/android/settings/wifi/WifiDialogActivity.java
index 7782786763..53c941e9c2 100644
--- a/src/com/android/settings/wifi/WifiDialogActivity.java
+++ b/src/com/android/settings/wifi/WifiDialogActivity.java
@@ -16,14 +16,19 @@
 
 package com.android.settings.wifi;
 
+import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
+import static android.Manifest.permission.ACCESS_FINE_LOCATION;
+
 import android.app.Activity;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.NetworkInfo;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 import android.net.wifi.WifiManager.ActionListener;
 import android.os.Bundle;
+import android.util.EventLog;
 import android.util.Log;
 
 import androidx.annotation.VisibleForTesting;
@@ -53,10 +58,12 @@ public class WifiDialogActivity extends Activity implements WifiDialog.WifiDialo
 
     public static final String KEY_WIFI_CONFIGURATION = "wifi_configuration";
 
-    private static final int RESULT_CONNECTED = RESULT_FIRST_USER;
+    @VisibleForTesting
+    static final int RESULT_CONNECTED = RESULT_FIRST_USER;
     private static final int RESULT_FORGET = RESULT_FIRST_USER + 1;
 
-    private static final int REQUEST_CODE_WIFI_DPP_ENROLLEE_QR_CODE_SCANNER = 0;
+    @VisibleForTesting
+    static final int REQUEST_CODE_WIFI_DPP_ENROLLEE_QR_CODE_SCANNER = 0;
 
     private WifiDialog mDialog;
 
@@ -156,17 +163,22 @@ public class WifiDialogActivity extends Activity implements WifiDialog.WifiDialo
             }
         }
 
-        Intent resultData = new Intent();
+        Intent resultData = hasPermissionForResult() ? createResultData(config, accessPoint) : null;
+        setResult(RESULT_CONNECTED, resultData);
+        finish();
+    }
+
+    protected Intent createResultData(WifiConfiguration config, AccessPoint accessPoint) {
+        Intent result = new Intent();
         if (accessPoint != null) {
             Bundle accessPointState = new Bundle();
             accessPoint.saveWifiState(accessPointState);
-            resultData.putExtra(KEY_ACCESS_POINT_STATE, accessPointState);
+            result.putExtra(KEY_ACCESS_POINT_STATE, accessPointState);
         }
         if (config != null) {
-            resultData.putExtra(KEY_WIFI_CONFIGURATION, config);
+            result.putExtra(KEY_WIFI_CONFIGURATION, config);
         }
-        setResult(RESULT_CONNECTED, resultData);
-        finish();
+        return result;
     }
 
     @Override
@@ -192,9 +204,44 @@ public class WifiDialogActivity extends Activity implements WifiDialog.WifiDialo
             if (resultCode != RESULT_OK) {
                 return;
             }
-
-            setResult(RESULT_CONNECTED, data);
+            if (hasPermissionForResult()) {
+                setResult(RESULT_CONNECTED, data);
+            } else {
+                setResult(RESULT_CONNECTED);
+            }
             finish();
         }
     }
+
+    protected boolean hasPermissionForResult() {
+        final String callingPackage = getCallingPackage();
+        if (callingPackage == null) {
+            Log.d(TAG, "Failed to get the calling package, don't return the result.");
+            EventLog.writeEvent(0x534e4554, "185126813", -1 /* UID */, "no calling package");
+            return false;
+        }
+
+        if (getPackageManager().checkPermission(ACCESS_COARSE_LOCATION, callingPackage)
+                == PackageManager.PERMISSION_GRANTED) {
+            Log.d(TAG, "The calling package has ACCESS_COARSE_LOCATION permission for result.");
+            return true;
+        }
+
+        if (getPackageManager().checkPermission(ACCESS_FINE_LOCATION, callingPackage)
+                == PackageManager.PERMISSION_GRANTED) {
+            Log.d(TAG, "The calling package has ACCESS_FINE_LOCATION permission for result.");
+            return true;
+        }
+
+        Log.d(TAG, "The calling package does not have the necessary permissions for result.");
+        try {
+            EventLog.writeEvent(0x534e4554, "185126813",
+                    getPackageManager().getPackageUid(callingPackage, 0 /* flags */),
+                    "no permission");
+        } catch (PackageManager.NameNotFoundException e) {
+            EventLog.writeEvent(0x534e4554, "185126813", -1 /* UID */, "no permission");
+            Log.w(TAG, "Cannot find the UID, calling package: " + callingPackage, e);
+        }
+        return false;
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/wifi/WifiDialogActivityTest.java b/tests/robotests/src/com/android/settings/wifi/WifiDialogActivityTest.java
index 41d1bbe4f3..1a6de550e5 100644
--- a/tests/robotests/src/com/android/settings/wifi/WifiDialogActivityTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/WifiDialogActivityTest.java
@@ -16,17 +16,31 @@
 
 package com.android.settings.wifi;
 
+import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
+import static android.Manifest.permission.ACCESS_FINE_LOCATION;
+
+import static com.android.settings.wifi.WifiDialogActivity.REQUEST_CODE_WIFI_DPP_ENROLLEE_QR_CODE_SCANNER;
+import static com.android.settings.wifi.WifiDialogActivity.RESULT_CONNECTED;
+import static com.android.settings.wifi.WifiDialogActivity.RESULT_OK;
+
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.wifi.WifiConfiguration;
+import android.net.wifi.WifiManager;
 
 import com.android.settings.R;
 import com.android.settings.testutils.shadow.ShadowAlertDialogCompat;
 import com.android.settings.testutils.shadow.ShadowConnectivityManager;
 import com.android.settings.testutils.shadow.ShadowWifiManager;
+import com.android.settingslib.wifi.AccessPoint;
 
 import com.google.android.setupcompat.util.WizardManagerHelper;
 
@@ -48,13 +62,30 @@ import org.robolectric.util.ReflectionHelpers;
 })
 public class WifiDialogActivityTest {
 
+    private static final String CALLING_PACKAGE = "calling_package";
     private static final String AP1_SSID = "\"ap1\"";
+
+    @Mock
+    PackageManager mPackageManager;
+    @Mock
+    WifiManager mWifiManager;
+    @Mock
+    WifiDialog mWifiDialog;
+    @Mock
+    WifiConfiguration mWifiConfiguration;
+    @Mock
+    AccessPoint mAccessPoint;
+    @Mock
+    Intent mResultData;
     @Mock
     private WifiConfigController mController;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
+        when(mWifiDialog.getController()).thenReturn(mController);
+        when(mController.getConfig()).thenReturn(mWifiConfiguration);
+        when(mController.getAccessPoint()).thenReturn(mAccessPoint);
 
         WifiConfiguration wifiConfig = new WifiConfiguration();
         wifiConfig.SSID = AP1_SSID;
@@ -75,6 +106,29 @@ public class WifiDialogActivityTest {
     }
 
     @Test
+    public void onSubmit_noPermissionForResult_setResultWithoutData() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.hasPermissionForResult()).thenReturn(false);
+        when(activity.getSystemService(WifiManager.class)).thenReturn(mWifiManager);
+
+        activity.onSubmit(mWifiDialog);
+
+        verify(activity).setResult(RESULT_CONNECTED, null);
+    }
+
+    @Test
+    public void onSubmit_hasPermissionForResult_setResultWithData() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.hasPermissionForResult()).thenReturn(true);
+        when(activity.createResultData(any(), any())).thenReturn(mResultData);
+        when(activity.getSystemService(WifiManager.class)).thenReturn(mWifiManager);
+
+        activity.onSubmit(mWifiDialog);
+
+        verify(activity).setResult(RESULT_CONNECTED, mResultData);
+    }
+
+    @Test
     public void onSubmit_whenConnectForCallerIsFalse_shouldNotConnectToNetwork() {
         WifiDialogActivity activity =
                 Robolectric.buildActivity(
@@ -111,4 +165,97 @@ public class WifiDialogActivityTest {
         assertThat(dialog.getContext().getThemeResId())
                 .isEqualTo(R.style.SuwAlertDialogThemeCompat_Light);
     }
+
+    @Test
+    public void onActivityResult_noPermissionForResult_setResultWithoutData() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.hasPermissionForResult()).thenReturn(false);
+        final Intent data = new Intent();
+
+        activity.onActivityResult(REQUEST_CODE_WIFI_DPP_ENROLLEE_QR_CODE_SCANNER, RESULT_OK,
+                data);
+
+        verify(activity).setResult(RESULT_CONNECTED);
+    }
+
+    @Test
+    public void onActivityResult_hasPermissionForResult_setResultWithData() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.hasPermissionForResult()).thenReturn(true);
+        final Intent data = new Intent();
+
+        activity.onActivityResult(REQUEST_CODE_WIFI_DPP_ENROLLEE_QR_CODE_SCANNER, RESULT_OK,
+                data);
+
+        verify(activity).setResult(RESULT_CONNECTED, data);
+    }
+
+    @Test
+    public void hasPermissionForResult_noCallingPackage_returnFalse() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.getCallingPackage()).thenReturn(null);
+
+        final boolean result = activity.hasPermissionForResult();
+
+        assertThat(result).isFalse();
+    }
+
+    @Test
+    public void hasPermissionForResult_noPermission_returnFalse() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.getCallingPackage()).thenReturn(null);
+        when(mPackageManager.checkPermission(ACCESS_COARSE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_DENIED);
+        when(mPackageManager.checkPermission(ACCESS_FINE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_DENIED);
+
+        final boolean result = activity.hasPermissionForResult();
+
+        assertThat(result).isFalse();
+    }
+
+    @Test
+    public void hasPermissionForResult_hasCoarseLocationPermission_returnTrue() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.getCallingPackage()).thenReturn(CALLING_PACKAGE);
+        when(activity.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.checkPermission(ACCESS_COARSE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_GRANTED);
+        when(mPackageManager.checkPermission(ACCESS_FINE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_DENIED);
+
+        final boolean result = activity.hasPermissionForResult();
+
+        assertThat(result).isTrue();
+    }
+
+    @Test
+    public void hasPermissionForResult_hasFineLocationPermission_returnTrue() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.getCallingPackage()).thenReturn(CALLING_PACKAGE);
+        when(activity.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.checkPermission(ACCESS_COARSE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_DENIED);
+        when(mPackageManager.checkPermission(ACCESS_FINE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_GRANTED);
+
+        final boolean result = activity.hasPermissionForResult();
+
+        assertThat(result).isTrue();
+    }
+
+    @Test
+    public void hasPermissionForResult_haveBothLocationPermissions_returnTrue() {
+        WifiDialogActivity activity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
+        when(activity.getCallingPackage()).thenReturn(CALLING_PACKAGE);
+        when(activity.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.checkPermission(ACCESS_COARSE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_GRANTED);
+        when(mPackageManager.checkPermission(ACCESS_FINE_LOCATION, CALLING_PACKAGE))
+                .thenReturn(PackageManager.PERMISSION_GRANTED);
+
+        final boolean result = activity.hasPermissionForResult();
+
+        assertThat(result).isTrue();
+    }
 }