Merge "Add method to check whether the vendor partition version is > T." into main

package android.net.wifi;

import android.os.Build;

import android.os.ServiceManager;

import android.os.SystemProperties;

import android.security.legacykeystore.ILegacyKeystore;

import android.util.Log;

import com.android.internal.net.ConnectivityBlobStore;

 * @hide

 */

public class WifiBlobStore extends ConnectivityBlobStore {

    private static final String TAG = "WifiBlobStore";

    private static final String DB_NAME = "WifiBlobStore.db";

    private static final String LEGACY_KEYSTORE_SERVICE_NAME = "android.security.legacykeystore";

    private static final boolean sIsVendorApiLevelGreaterThanT = isVendorApiLevelGreaterThanT();

    private static WifiBlobStore sInstance;

    private WifiBlobStore() {

        super(DB_NAME);

    }

    private static boolean isVendorApiLevelGreaterThanT() {

        int androidT = Build.VERSION_CODES.TIRAMISU; // redefine to avoid errorprone build issue

        String[] vendorApiLevelProps = {

                "ro.board.api_level", "ro.board.first_api_level", "ro.vndk.version"};

        for (String propertyName : vendorApiLevelProps) {

            int apiLevel = SystemProperties.getInt(propertyName, -1);

            if (apiLevel != -1) {

                Log.i(TAG, "Retrieved API level property, value=" + apiLevel);

                return apiLevel > androidT;

            }

        }

        // If none of the properties are defined, we are using the current API level (> V)

        Log.i(TAG, "No API level properties are defined");

        return true;

    }

    /**

     * Check whether supplicant can access values stored in WifiBlobstore.

     *

     * NonStandardCertCallback was added in Android U, allowing supplicant to access the

     * WifiKeystore APIs, which access WifiBlobstore. Previously, supplicant used

     * WifiKeystoreHalConnector to access values stored in Legacy Keystore.

     *

     * @hide

     */

    public static boolean supplicantCanAccessBlobstore() {

        return sIsVendorApiLevelGreaterThanT;

    }

    /** Returns an instance of WifiBlobStore. */

    public static WifiBlobStore getInstance() {

        if (sInstance == null) {