2017-06-02 12:26:37 +02:00
|
|
|
/**
|
|
|
|
*
|
|
|
|
* Copyright 2017 Paul Schaub
|
|
|
|
*
|
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
* you may not use this file except in compliance with the License.
|
|
|
|
* You may obtain a copy of the License at
|
|
|
|
*
|
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
*
|
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
* See the License for the specific language governing permissions and
|
|
|
|
* limitations under the License.
|
|
|
|
*/
|
|
|
|
package org.jivesoftware.smackx.omemo.element;
|
|
|
|
|
2017-06-14 17:12:43 +02:00
|
|
|
import static org.jivesoftware.smackx.omemo.util.OmemoConstants.OMEMO_NAMESPACE_V_AXOLOTL;
|
2017-06-02 12:26:37 +02:00
|
|
|
|
|
|
|
import java.io.UnsupportedEncodingException;
|
|
|
|
|
2017-06-14 17:12:43 +02:00
|
|
|
import org.jivesoftware.smack.util.StringUtils;
|
|
|
|
import org.jivesoftware.smack.util.XmlStringBuilder;
|
|
|
|
import org.jivesoftware.smack.util.stringencoder.Base64;
|
2017-06-02 12:26:37 +02:00
|
|
|
|
|
|
|
/**
|
|
|
|
* An OMEMO (PreKey)WhisperMessage element.
|
|
|
|
*
|
|
|
|
* @author Paul Schaub
|
|
|
|
*/
|
|
|
|
public class OmemoVAxolotlElement extends OmemoElement {
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Create a new OmemoMessageElement from a header and a payload.
|
|
|
|
*
|
|
|
|
* @param header header of the message
|
|
|
|
* @param payload payload
|
|
|
|
*/
|
|
|
|
public OmemoVAxolotlElement(OmemoHeader header, byte[] payload) {
|
|
|
|
super(header, payload);
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public String getElementName() {
|
|
|
|
return ENCRYPTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public XmlStringBuilder toXML() {
|
|
|
|
XmlStringBuilder sb = new XmlStringBuilder(this).rightAngleBracket();
|
|
|
|
|
|
|
|
sb.element(header);
|
|
|
|
|
|
|
|
if (payload != null) {
|
|
|
|
sb.openElement(PAYLOAD).append(Base64.encodeToString(payload)).closeElement(PAYLOAD);
|
|
|
|
}
|
|
|
|
|
|
|
|
sb.closeElement(this);
|
|
|
|
return sb;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public String getNamespace() {
|
|
|
|
return OMEMO_NAMESPACE_V_AXOLOTL;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public String toString() {
|
|
|
|
try {
|
|
|
|
StringBuilder s = new StringBuilder("Encrypted:\n")
|
|
|
|
.append(" header: sid: ").append(getHeader().getSid()).append('\n');
|
|
|
|
for (OmemoHeader.Key k : getHeader().getKeys()) {
|
|
|
|
s.append(" key: prekey: ").append(k.isPreKey()).append(" rid: ")
|
|
|
|
.append(k.getId()).append(' ')
|
|
|
|
.append(new String(k.getData(), StringUtils.UTF8)).append('\n');
|
|
|
|
}
|
|
|
|
s.append(" iv: ").append(new String(getHeader().getIv(), StringUtils.UTF8)).append('\n');
|
|
|
|
s.append(" payload: ").append(new String(getPayload(), StringUtils.UTF8));
|
|
|
|
return s.toString();
|
|
|
|
} catch (UnsupportedEncodingException e) {
|
|
|
|
// UTF-8 must be supported on all platforms claiming to be java compatible.
|
|
|
|
throw new AssertionError(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|