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Code Issues Releases Wiki Activity

sending warning to receiving client if that client doesn't support omemo.

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fixes #1873
This commit is contained in:
Daniel Gultsch 2016-05-25 23:24:36 +02:00
parent 83adbb6052
commit c06e2787c7
2 changed files with 14 additions and 2 deletions
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2
src/main/java/eu/siacs/conversations/crypto/OtrService.java
View File

@ -122,7 +122,7 @@ public class OtrService extends OtrCryptoEngineImpl implements OtrEngineHost {
@Override
public String getFallbackMessage(SessionID arg0) {
return "I would like to start a private (OTR encrypted) conversation but your client doesn’t seem to support that";
return MessageGenerator.OTR_FALLBACK_MESSAGE;
}
@Override

14
src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
View File

@ -9,6 +9,7 @@ import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import eu.siacs.conversations.crypto.axolotl.AxolotlService;
import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Conversation;
@ -20,6 +21,10 @@ import eu.siacs.conversations.xmpp.jid.Jid;
import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
public class MessageGenerator extends AbstractGenerator {
public static final String OTR_FALLBACK_MESSAGE = "I would like to start a private (OTR encrypted) conversation but your client doesn’t seem to support that";
private static final String OMEMO_FALLBACK_MESSAGE = "I sent you an OMEMO encrypted message but your client doesn’t seem to support that. Find more information on https://conversations.im/omemo";
private static final String PGP_FALLBACK_MESSAGE = "I sent you a PGP encrypted message but your client doesn’t seem to support that.";
public MessageGenerator(XmppConnectionService service) {
super(service);
}
@ -67,11 +72,18 @@ public class MessageGenerator extends AbstractGenerator {
if (axolotlMessage == null) {
return null;
}
if (!recipientSupportsOmemo(message)) {
packet.setBody(OMEMO_FALLBACK_MESSAGE);
}
packet.setAxolotlMessage(axolotlMessage.toElement());
packet.addChild("store", "urn:xmpp:hints");
return packet;
}
private static boolean recipientSupportsOmemo(Message message) {
return message.getContact().getPresences().allOrNonSupport(AxolotlService.PEP_DEVICE_LIST_NOTIFY);
}
public static void addMessageHints(MessagePacket packet) {
packet.addChild("private", "urn:xmpp:carbons:2");
packet.addChild("no-copy", "urn:xmpp:hints");
@ -116,7 +128,7 @@ public class MessageGenerator extends AbstractGenerator {
public MessagePacket generatePgpChat(Message message) {
MessagePacket packet = preparePacket(message);
packet.setBody("This is an XEP-0027 encrypted message");
packet.setBody(PGP_FALLBACK_MESSAGE);
if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
packet.addChild("x", "jabber:x:encrypted").setContent(message.getEncryptedBody());
} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {