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85 lines
2.2 KiB
Java
85 lines
2.2 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.omemo.element;
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import org.jivesoftware.smack.packet.NamedElement;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.jivesoftware.smack.util.stringencoder.Base64;
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/**
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* Small class to collect key (byte[]), its id and whether its a preKey or not.
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*/
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public class OmemoKeyElement implements NamedElement {
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public static final String NAME_KEY = "key";
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public static final String ATTR_RID = "rid";
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public static final String ATTR_PREKEY = "prekey";
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private final byte[] data;
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private final int id;
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private final boolean preKey;
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public OmemoKeyElement(byte[] data, int id) {
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this.data = data;
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this.id = id;
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this.preKey = false;
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}
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public OmemoKeyElement(byte[] data, int id, boolean preKey) {
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this.data = data;
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this.id = id;
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this.preKey = preKey;
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}
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public int getId() {
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return this.id;
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}
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public byte[] getData() {
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return this.data;
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}
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public boolean isPreKey() {
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return this.preKey;
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}
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@Override
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public String toString() {
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return Integer.toString(id);
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}
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@Override
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public String getElementName() {
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return NAME_KEY;
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}
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@Override
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public CharSequence toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
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XmlStringBuilder sb = new XmlStringBuilder(this);
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if (isPreKey()) {
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sb.attribute(ATTR_PREKEY, true);
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}
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sb.attribute(ATTR_RID, getId());
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sb.rightAngleBracket();
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sb.append(Base64.encodeToString(getData()));
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sb.closeElement(this);
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return sb;
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}
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}
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