WifiNetworkSuggestionsManager: Only use approved suggestions externally

Only expose approved network suggestions to external modules, unapproved
suggestions by apps should not considered by platform for any behavior
changes.

Bug: 157579285
Test: atest com.android.server.wifi
Change-Id: I09925b4498d435f35115a1680562c3765c067ca3

6 files changed, 68 insertions, 8 deletions

diff --git a/service/java/com/android/server/wifi/WakeupController.java b/service/java/com/android/server/wifi/WakeupController.java
index d9882dbf3..a92bdf7f1 100644
--- a/service/java/com/android/server/wifi/WakeupController.java
+++ b/service/java/com/android/server/wifi/WakeupController.java
@@ -347,7 +347,7 @@ public class WakeupController {
         }
 
         Set<WifiNetworkSuggestion> networkSuggestions =
-                mWifiNetworkSuggestionsManager.getAllNetworkSuggestions();
+                mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions();
         for (WifiNetworkSuggestion suggestion : networkSuggestions) {
             // TODO(b/127799111): Do we need to filter the list similar to saved networks above?
             goodNetworks.add(
diff --git a/service/java/com/android/server/wifi/WifiConnectivityManager.java b/service/java/com/android/server/wifi/WifiConnectivityManager.java
index 8470d0c7d..bcf162275 100644
--- a/service/java/com/android/server/wifi/WifiConnectivityManager.java
+++ b/service/java/com/android/server/wifi/WifiConnectivityManager.java
@@ -1635,7 +1635,7 @@ public class WifiConnectivityManager {
         }
 
         Set<WifiNetworkSuggestion> suggestionsNetworks =
-                mWifiNetworkSuggestionsManager.getAllNetworkSuggestions();
+                mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions();
         // If total size not equal to 1, then no need to proceed
         if (passpointNetworks.size() + savedNetworks.size() + suggestionsNetworks.size() != 1) {
             return false;
diff --git a/service/java/com/android/server/wifi/WifiNetworkSuggestionsManager.java b/service/java/com/android/server/wifi/WifiNetworkSuggestionsManager.java
index f470039a7..5d5a7d782 100644
--- a/service/java/com/android/server/wifi/WifiNetworkSuggestionsManager.java
+++ b/service/java/com/android/server/wifi/WifiNetworkSuggestionsManager.java
@@ -1254,6 +1254,19 @@ public class WifiNetworkSuggestionsManager {
     }
 
     /**
+     * Returns a set of all network suggestions across all apps that have been approved by user.
+     */
+    public Set<WifiNetworkSuggestion> getAllApprovedNetworkSuggestions() {
+        final String activeScorerPackage = mNetworkScoreManager.getActiveScorerPackage();
+        return mActiveNetworkSuggestionsPerApp.values()
+                .stream()
+                .filter(e -> e.isApproved(activeScorerPackage))
+                .flatMap(e -> convertToWnsSet(e.extNetworkSuggestions)
+                        .stream())
+                .collect(Collectors.toSet());
+    }
+
+    /**
      * Get all user approved, non-passpoint networks from suggestion.
      */
     public List<WifiConfiguration> getAllScanOptimizationSuggestionNetworks() {
diff --git a/tests/wifitests/src/com/android/server/wifi/WakeupControllerTest.java b/tests/wifitests/src/com/android/server/wifi/WakeupControllerTest.java
index 9824c5b23..3ac4adc3b 100644
--- a/tests/wifitests/src/com/android/server/wifi/WakeupControllerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WakeupControllerTest.java
@@ -390,7 +390,7 @@ public class WakeupControllerTest extends WifiBaseTest {
         WifiConfiguration wepNetwork = WifiConfigurationTestUtil.createWepNetwork();
         WifiNetworkSuggestion wepNetworkSuggestion =
                 new WifiNetworkSuggestion(wepNetwork, null, false, false, true, true);
-        when(mWifiNetworkSuggestionsManager.getAllNetworkSuggestions())
+        when(mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions())
                 .thenReturn(new HashSet<>(Arrays.asList(
                         openNetworkSuggestion, wepNetworkSuggestion)));
 
@@ -432,7 +432,7 @@ public class WakeupControllerTest extends WifiBaseTest {
         WifiConfiguration oweNetwork = WifiConfigurationTestUtil.createOweNetwork(quotedSsid2);
         WifiNetworkSuggestion oweNetworkSuggestion =
                 new WifiNetworkSuggestion(oweNetwork, null, false, false, true, true);
-        when(mWifiNetworkSuggestionsManager.getAllNetworkSuggestions())
+        when(mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions())
                 .thenReturn(new HashSet<>(Arrays.asList(oweNetworkSuggestion)));
 
         // scan results from most recent scan
@@ -530,7 +530,7 @@ public class WakeupControllerTest extends WifiBaseTest {
                 .createOpenNetwork(ScanResultUtil.createQuotedSSID(SAVED_SSID));
         WifiNetworkSuggestion openNetworkSuggestion =
                 new WifiNetworkSuggestion(openNetwork, null, false, false, true, true);
-        when(mWifiNetworkSuggestionsManager.getAllNetworkSuggestions())
+        when(mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions())
                 .thenReturn(new HashSet<>(Collections.singletonList(openNetworkSuggestion)));
 
         initializeWakeupController(true /* enabled */);
diff --git a/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java b/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
index b01f2beb1..fe16b2833 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
@@ -109,7 +109,7 @@ public class WifiConnectivityManagerTest extends WifiBaseTest {
         when(mWifiInjector.getWifiScanner()).thenReturn(mWifiScanner);
         when(mWifiNetworkSuggestionsManager.retrieveHiddenNetworkList())
                 .thenReturn(new ArrayList<>());
-        when(mWifiNetworkSuggestionsManager.getAllNetworkSuggestions())
+        when(mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions())
                 .thenReturn(new HashSet<>());
         when(mWifiInjector.getBssidBlocklistMonitor()).thenReturn(mBssidBlocklistMonitor);
         when(mWifiInjector.getWifiChannelUtilizationScan()).thenReturn(mWifiChannelUtilization);
@@ -1497,7 +1497,7 @@ public class WifiConnectivityManagerTest extends WifiBaseTest {
         when(mWifiNetworkSuggestion.getWifiConfiguration()).thenReturn(mSuggestionConfig);
         Set<WifiNetworkSuggestion> suggestionNetworks = new HashSet<WifiNetworkSuggestion>();
         suggestionNetworks.add(mWifiNetworkSuggestion);
-        when(mWifiNetworkSuggestionsManager.getAllNetworkSuggestions())
+        when(mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions())
                 .thenReturn(suggestionNetworks);
 
         // Prepare for no saved networks
@@ -1548,7 +1548,7 @@ public class WifiConnectivityManagerTest extends WifiBaseTest {
         when(mWifiNetworkSuggestion.getWifiConfiguration()).thenReturn(mSuggestionConfig);
         Set<WifiNetworkSuggestion> suggestionNetworks = new HashSet<WifiNetworkSuggestion>();
         suggestionNetworks.add(mWifiNetworkSuggestion);
-        when(mWifiNetworkSuggestionsManager.getAllNetworkSuggestions())
+        when(mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions())
                 .thenReturn(suggestionNetworks);
 
         // Prepare for a single passpoint network
diff --git a/tests/wifitests/src/com/android/server/wifi/WifiNetworkSuggestionsManagerTest.java b/tests/wifitests/src/com/android/server/wifi/WifiNetworkSuggestionsManagerTest.java
index 897dca341..e7e866084 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiNetworkSuggestionsManagerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiNetworkSuggestionsManagerTest.java
@@ -4018,6 +4018,53 @@ public class WifiNetworkSuggestionsManagerTest extends WifiBaseTest {
     }
 
     /**
+     * Verify that we only return user approved suggestions.
+     */
+    @Test
+    public void testGetApprovedNetworkSuggestions() {
+        WifiConfiguration wifiConfiguration = WifiConfigurationTestUtil.createOpenNetwork();
+        WifiNetworkSuggestion networkSuggestion1 = new WifiNetworkSuggestion(
+                wifiConfiguration, null, false, false, true, true);
+        // Reuse the same network credentials to ensure they both match.
+        WifiNetworkSuggestion networkSuggestion2 = new WifiNetworkSuggestion(
+                wifiConfiguration, null, false, false, true, true);
+
+        List<WifiNetworkSuggestion> networkSuggestionList1 =
+                new ArrayList<WifiNetworkSuggestion>() {{
+                    add(networkSuggestion1);
+                }};
+        List<WifiNetworkSuggestion> networkSuggestionList2 =
+                new ArrayList<WifiNetworkSuggestion>() {{
+                    add(networkSuggestion2);
+                }};
+
+        assertEquals(WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS,
+                mWifiNetworkSuggestionsManager.add(networkSuggestionList1, TEST_UID_1,
+                        TEST_PACKAGE_1, TEST_FEATURE));
+        assertEquals(WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS,
+                mWifiNetworkSuggestionsManager.add(networkSuggestionList2, TEST_UID_2,
+                        TEST_PACKAGE_2, TEST_FEATURE));
+
+        // nothing approved, return empty.
+        assertTrue(mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions().isEmpty());
+
+        mWifiNetworkSuggestionsManager.setHasUserApprovedForApp(true, TEST_PACKAGE_1);
+        // only app 1 approved.
+        assertEquals(new HashSet<WifiNetworkSuggestion>() {{
+                    add(networkSuggestion1);
+                }},
+                mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions());
+
+        mWifiNetworkSuggestionsManager.setHasUserApprovedForApp(true, TEST_PACKAGE_2);
+        // both app 1 & 2 approved.
+        assertEquals(new HashSet<WifiNetworkSuggestion>() {{
+                    add(networkSuggestion1);
+                    add(networkSuggestion2);
+                }},
+                mWifiNetworkSuggestionsManager.getAllApprovedNetworkSuggestions());
+    }
+
+    /**
      * Helper function for creating a test configuration with user credential.
      *
      * @return {@link PasspointConfiguration}