do not offer jingle calls when using Tor

src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java

@@ -34,14 +34,6 @@ public abstract class AbstractGenerator {
 			Namespace.JINGLE_TRANSPORTS_IBB,
 			Namespace.JINGLE_ENCRYPTED_TRANSPORT,
 			Namespace.JINGLE_ENCRYPTED_TRANSPORT_OMEMO,
-
-			//VoIP
-			Namespace.JINGLE_TRANSPORT_ICE_UDP,
-			Namespace.JINGLE_FEATURE_AUDIO,
-			Namespace.JINGLE_FEATURE_VIDEO,
-			Namespace.JINGLE_APPS_RTP,
-			Namespace.JINGLE_APPS_DTLS,
-
 			"http://jabber.org/protocol/muc",
 			"jabber:x:conference",
 			Namespace.OOB,
@@ -63,6 +55,14 @@ public abstract class AbstractGenerator {
 	private final String[] PRIVACY_SENSITIVE = {
 			"urn:xmpp:time" //XEP-0202: Entity Time leaks time zone
 	};
+
+	private final String[] VOIP_NAMESPACES = {
+			Namespace.JINGLE_TRANSPORT_ICE_UDP,
+			Namespace.JINGLE_FEATURE_AUDIO,
+			Namespace.JINGLE_FEATURE_VIDEO,
+			Namespace.JINGLE_APPS_RTP,
+			Namespace.JINGLE_APPS_DTLS,
+	};
 	private String mVersion = null;
 
 	private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US);
@@ -132,6 +132,7 @@ public abstract class AbstractGenerator {
 		}
 		if (!mXmppConnectionService.useTorToConnect() && !account.isOnion()) {
 			features.addAll(Arrays.asList(PRIVACY_SENSITIVE));
+			features.addAll(Arrays.asList(VOIP_NAMESPACES));
 		}
 		if (mXmppConnectionService.broadcastLastActivity()) {
 			features.add(Namespace.IDLE);

src/main/java/eu/siacs/conversations/ui/ConversationFragment.java

@@ -1244,11 +1244,16 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
     }
 
     private void checkPermissionAndTriggerRtpSession() {
+        if (activity.xmppConnectionService.useTorToConnect() || conversation.getAccount().isOnion()) {
+            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
+            return;
+        }
         if (hasPermissions(REQUEST_START_AUDIO_CALL, Manifest.permission.RECORD_AUDIO)) {
             triggerRtpSession();
         }
     }
 
+
     private void triggerRtpSession() {
         final Contact contact = conversation.getContact();
         final Intent intent = new Intent(activity, RtpSessionActivity.class);

src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java

@@ -59,7 +59,7 @@ public class JingleConnectionManager extends AbstractConnectionManager {
             final AbstractJingleConnection connection;
             if (FileTransferDescription.NAMESPACES.contains(descriptionNamespace)) {
                 connection = new JingleFileTransferConnection(this, id, from);
-            } else if (Namespace.JINGLE_APPS_RTP.equals(descriptionNamespace)) { //and not using Tor
+            } else if (Namespace.JINGLE_APPS_RTP.equals(descriptionNamespace) && !usesTor(account)) {
                 if (isBusy()) {
                     mXmppConnectionService.sendIqPacket(account, packet.generateResponse(IqPacket.TYPE.RESULT), null);
                     final JinglePacket sessionTermination = new JinglePacket(JinglePacket.Action.SESSION_TERMINATE, id.sessionId);
@@ -82,6 +82,10 @@ public class JingleConnectionManager extends AbstractConnectionManager {
         }
     }
 
+    private boolean usesTor(final Account account) {
+        return account.isOnion() || mXmppConnectionService.useTorToConnect();
+    }
+
     private boolean isBusy() {
         for (AbstractJingleConnection connection : this.connections.values()) {
             if (connection instanceof JingleRtpConnection) {
@@ -147,7 +151,7 @@ public class JingleConnectionManager extends AbstractConnectionManager {
         if ("propose".equals(message.getName())) {
             final Element description = message.findChild("description");
             final String namespace = description == null ? null : description.getNamespace();
-            if (Namespace.JINGLE_APPS_RTP.equals(namespace)) { //and not using Tor
+            if (Namespace.JINGLE_APPS_RTP.equals(namespace) && !usesTor(account)) {
                 if (isBusy()) {
                     final MessagePacket reject = mXmppConnectionService.getMessageGenerator().sessionReject(from, sessionId);
                     mXmppConnectionService.sendMessagePacket(account, reject);

src/main/res/values/strings.xml

@@ -902,6 +902,7 @@
     <string name="rtp_state_application_failure">Application failure</string>
     <string name="hang_up">Hang up</string>
     <string name="ongoing_call">Ongoing call</string>
+    <string name="disable_tor_to_make_call">Disable Tor to make calls</string>
     <plurals name="view_users">
         <item quantity="one">View %1$d Participant</item>
         <item quantity="other">View %1$d Participants</item>