2 files changed, 28 insertions, 1 deletions

diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
index cb9ffd96..8393a011 100644
--- a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
@@ -10,12 +10,15 @@ import org.whispersystems.libaxolotl.ecc.ECPublicKey;
 import org.whispersystems.libaxolotl.state.PreKeyRecord;
 import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
 
+import java.math.BigInteger;
+import java.nio.ByteBuffer;
 import java.security.cert.CertificateEncodingException;
 import java.security.cert.X509Certificate;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 import java.util.TimeZone;
+import java.util.UUID;
 
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.R;
@@ -315,7 +318,7 @@ public class IqGenerator extends AbstractGenerator {
 		IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
 		packet.setTo(host);
 		Element request = packet.addChild("request", Xmlns.HTTP_UPLOAD);
-		request.addChild("filename").setContent(file.getName());
+		request.addChild("filename").setContent(convertFilename(file.getName()));
 		request.addChild("size").setContent(String.valueOf(file.getExpectedSize()));
 		if (mime != null) {
 			request.addChild("content-type").setContent(mime);
@@ -323,6 +326,23 @@ public class IqGenerator extends AbstractGenerator {
 		return packet;
 	}
 
+	private static String convertFilename(String name) {
+		int pos = name.indexOf('.');
+		if (pos != -1) {
+			try {
+				UUID uuid = UUID.fromString(name.substring(0, pos));
+				ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
+				bb.putLong(uuid.getMostSignificantBits());
+				bb.putLong(uuid.getLeastSignificantBits());
+				return Base64.encodeToString(bb.array(), Base64.URL_SAFE) + name.substring(pos, name.length());
+			} catch (Exception e) {
+				return name;
+			}
+		} else {
+			return name;
+		}
+	}
+
 	public IqPacket generateCreateAccountWithCaptcha(Account account, String id, Data data) {
 		final IqPacket register = new IqPacket(IqPacket.TYPE.SET);
 		register.setFrom(account.getJid().toBareJid());
diff --git a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
index f5c701cc..d0c20ad5 100644
--- a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
@@ -79,6 +79,9 @@ public class MessageGenerator extends AbstractGenerator {
 			packet.setBody(OMEMO_FALLBACK_MESSAGE);
 		}
 		packet.addChild("store", "urn:xmpp:hints");
+		packet.addChild("encryption","urn:xmpp:eme:0")
+				.setAttribute("name","OMEMO")
+				.setAttribute("namespace",AxolotlService.PEP_PREFIX);
 		return packet;
 	}
 
@@ -109,6 +112,8 @@ public class MessageGenerator extends AbstractGenerator {
 				content = message.getBody();
 			}
 			packet.setBody(otrSession.transformSending(content)[0]);
+			packet.addChild("encryption","urn:xmpp:eme:0")
+					.setAttribute("namespace","urn:xmpp:otr:0");
 			return packet;
 		} catch (OtrException e) {
 			return null;
@@ -139,6 +144,8 @@ public class MessageGenerator extends AbstractGenerator {
 		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 			packet.addChild("x", "jabber:x:encrypted").setContent(message.getBody());
 		}
+		packet.addChild("encryption","urn:xmpp:eme:0")
+				.setAttribute("namespace","jabber:x:encrypted");
 		return packet;
 	}