Merge "Drop SMS that starts with VVM prefix even if the filter is not activated" (feff28f0) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/VisualVoicemailSmsFilter.java

+22 −4

Original line number	Diff line number	Diff line
		@@ -124,6 +124,15 @@ public class VisualVoicemailSmsFilter {
		settings = telephonyManager.getActiveVisualVoicemailSmsFilterSettings(subId);

		if (settings == null) {
		FullMessage fullMessage = getFullMessage(pdus, format);
		if (fullMessage != null) {
		// This is special case that voice mail SMS received before the filter has been
		// set. To drop the SMS unconditionally.
		if (messageBodyMatchesVvmPattern(context, subId, fullMessage.fullMessageBody)) {
		Log.e(TAG, "SMS matching VVM format received but the filter not been set yet");
		return true;
		}
		}
		return false;
		}

		@@ -182,8 +191,19 @@ public class VisualVoicemailSmsFilter {
		return true;
		}

		if (messageBodyMatchesVvmPattern(context, subId, messageBody)) {
		Log.w(TAG,
		"SMS matches pattern but has illegal format, still dropping as VVM SMS");
		sendVvmSmsBroadcast(context, settings, phoneAccountHandle, null, messageBody);
		return true;
		}
		return false;
		}

		private static boolean messageBodyMatchesVvmPattern(Context context, int subId,
		String messageBody) {
		buildPatternsMap(context);
		String mccMnc = telephonyManager.getSimOperator(subId);
		String mccMnc = context.getSystemService(TelephonyManager.class).getSimOperator(subId);

		List<Pattern> patterns = sPatterns.get(mccMnc);
		if (patterns == null \|\| patterns.isEmpty()) {
		@@ -192,9 +212,7 @@ public class VisualVoicemailSmsFilter {

		for (Pattern pattern : patterns) {
		if (pattern.matcher(messageBody).matches()) {
		Log.w(TAG, "Incoming SMS matches pattern " + pattern + " but has illegal format, "
		+ "still dropping as VVM SMS");
		sendVvmSmsBroadcast(context, settings, phoneAccountHandle, null, messageBody);
		Log.w(TAG, "Incoming SMS matches pattern " + pattern);
		return true;
		}
		}

tests/telephonytests/src/com/android/internal/telephony/VisualVoicemailSmsFilterTest.java

+32 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import static org.mockito.Mockito.when;

		import android.content.ComponentName;
		import android.content.Context;
		import android.content.res.Resources;
		import android.telecom.PhoneAccountHandle;
		import android.telephony.TelephonyManager;
		import android.telephony.VisualVoicemailSmsFilterSettings;
		@@ -61,6 +62,22 @@ public class VisualVoicemailSmsFilterTest extends TestCase {
		(byte) 0xE9, (byte) 0x62, (byte) 0x37, (byte) 0x50, (byte) 0x0B, (byte) 0x86,
		(byte) 0x83, (byte) 0xC1, (byte) 0x76, (byte) 0xEC, (byte) 0x1E, (byte) 0x0D}};

		/**
		* PDU for the following message:
		* <p>originating number: 129
		* <p>message: //VZWVVM
		*/
		private static final byte[][] VZWVVM_PDU = {{
		(byte) 0x07, (byte) 0x91, (byte) 0x41, (byte) 0x50, (byte) 0x74, (byte) 0x02,
		(byte) 0x50, (byte) 0xF5, (byte) 0x04, (byte) 0x03, (byte) 0xC9, (byte) 0x21,
		(byte) 0xF9, (byte) 0x00, (byte) 0x00, (byte) 0x71, (byte) 0x30, (byte) 0x70,
		(byte) 0x81, (byte) 0x71, (byte) 0x81, (byte) 0x2B, (byte) 0x08, (byte) 0xAF,
		(byte) 0x97, (byte) 0x55, (byte) 0x7B, (byte) 0xB5, (byte) 0x5A, (byte) 0x9B}};

		private static final String SIM_MCC_MNC = "001002";

		private static final String[] VVM_PATTERN_REGEXP = {SIM_MCC_MNC + ";^//VZWVVM.*"};

		private Context mContext;
		private TelephonyManager mTelephonyManager;

		@@ -109,6 +126,21 @@ public class VisualVoicemailSmsFilterTest extends TestCase {
		VisualVoicemailSmsFilter.filter(mContext, pdus, SmsConstants.FORMAT_3GPP, 0, 0));
		}

		public void testFilterNotSet_matchesVvmPattern_filtered() {
		setSettings(null);
		Resources resources = Mockito.mock(Resources.class);
		when(mTelephonyManager.getSimOperator(anyInt()))
		.thenReturn(SIM_MCC_MNC);
		when(mContext.getResources())
		.thenReturn(resources);
		when(resources.getStringArray(com.android.internal.R.array.config_vvmSmsFilterRegexes))
		.thenReturn(VVM_PATTERN_REGEXP);

		assertTrue(
		VisualVoicemailSmsFilter.filter(mContext, VZWVVM_PDU, SmsConstants.FORMAT_3GPP, 0,
		0));
		}

		public void testOriginatingNumber_unspecified_filtered() {
		setSettings(new VisualVoicemailSmsFilterSettings.Builder().build());
		assertTrue(VisualVoicemailSmsFilter