Allow CDM version v19 or later (b9908728) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/development/mediadrm/ForceSwSecureCryptoFallbackPreferenceController.java

+18 −5

Original line number	Diff line number	Diff line
		@@ -23,6 +23,8 @@ import android.util.Log;

		import androidx.preference.Preference;

		import java.util.UUID;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.settings.R;
		import com.android.settings.core.TogglePreferenceController;
		@@ -34,6 +36,8 @@ import com.android.settings.media_drm.Flags;
		*/
		public class ForceSwSecureCryptoFallbackPreferenceController extends TogglePreferenceController {
		private static final String TAG = "ForceSwSecureCryptoFallbackPreferenceController";
		private static final UUID WIDEVINE_UUID =
		new UUID(0xEDEF8BA979D64ACEL, 0xA3C827DCD51D21EDL);

		public ForceSwSecureCryptoFallbackPreferenceController(Context context, String preferenceKey) {
		super(context, preferenceKey);
		@@ -52,15 +56,24 @@ public class ForceSwSecureCryptoFallbackPreferenceController extends TogglePrefe

		@Override
		public void updateState(Preference preference) {
		boolean isEnable = false;
		if (Flags.forceL3Enabled()) {
		preference.setEnabled(true);
		Log.i(TAG, "forceL3Enabled is on");
		} else {
		preference.setEnabled(false);
		try (MediaDrm drm = new MediaDrm(WIDEVINE_UUID)) {
		String version = drm.getPropertyString(MediaDrm.PROPERTY_VERSION);
		if (Integer.parseInt(version.split("\\.", 2)[0]) >= 19) {
		isEnable = true;
		}
		} catch (Exception ex) {
		Log.e(TAG, "An exception occurred:", ex);
		}
		}

		preference.setEnabled(isEnable);
		if (!isEnable) {
		// In case of flag rollback, the controller should be unchecked.
		WidevineProperties.forcel3_enabled(false);
		Log.i(TAG, "forceL3Enabled is off");
		}
		Log.i(TAG, "Force software crypto is " + isEnable);
		super.updateState(preference);
		}

tests/unit/src/com/android/settings/development/mediadrm/ForceSwSecureCryptoFallbackPreferenceControllerTest.java

+18 −0

Original line number	Diff line number	Diff line
		@@ -137,4 +137,22 @@ public class ForceSwSecureCryptoFallbackPreferenceControllerTest {
		assumeNoException(ex);
		}
		}

		@Test
		public void updateState_checkWhenWidevineReady() throws Exception {
		try (MediaDrm drm = new MediaDrm(WIDEVINE_UUID)) {
		if (drm.getPropertyString("securityLevel").equals("L1")) {
		String version = drm.getPropertyString(MediaDrm.PROPERTY_VERSION);
		mSetFlagsRule.enableFlags(Flags.FLAG_FORCE_L3_ENABLED);
		mController.updateState(mPreference);
		if (Integer.parseInt(version.split("\\.", 2)[0]) >= 19) {
		assertThat(mPreference.isEnabled()).isTrue();
		} else {
		assertThat(mPreference.isEnabled()).isFalse();
		}
		}
		} catch (UnsupportedSchemeException ex) {
		assumeNoException(ex);
		}
		}
		}