diff options
| -rw-r--r-- | src/main/java/eu/siacs/conversations/crypto/OtrService.java | 2 | ||||
| -rw-r--r-- | src/main/java/eu/siacs/conversations/generator/MessageGenerator.java | 14 |
2 files changed, 14 insertions, 2 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/OtrService.java b/src/main/java/eu/siacs/conversations/crypto/OtrService.java index 1804704e..af11756f 100644 --- a/src/main/java/eu/siacs/conversations/crypto/OtrService.java +++ b/src/main/java/eu/siacs/conversations/crypto/OtrService.java @@ -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 diff --git a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java index 0e7a8ce6..823af397 100644 --- a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java +++ b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java @@ -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) { |