mirror of
https://codeberg.org/Mercury-IM/Smack
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205 lines
5.7 KiB
Java
205 lines
5.7 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.jingle.transports.jingle_s5b.elements;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.util.Objects;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
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import org.jivesoftware.smackx.jingle.element.JingleContentTransportCandidate;
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import org.jxmpp.jid.Jid;
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import org.jxmpp.jid.impl.JidCreate;
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import org.jxmpp.stringprep.XmppStringprepException;
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/**
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* TransportCandidate for Jingle Socks5Bytestream transports.
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*/
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public final class JingleS5BTransportCandidate extends JingleContentTransportCandidate {
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private static final Logger LOGGER = Logger.getLogger(JingleS5BTransportCandidate.class.getName());
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public static final String ATTR_CID = "cid";
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public static final String ATTR_HOST = "host";
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public static final String ATTR_JID = "jid";
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public static final String ATTR_PORT = "port";
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public static final String ATTR_PRIORITY = "priority";
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public static final String ATTR_TYPE = "type";
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private final String cid;
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private final String host;
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private final Jid jid;
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private final int port;
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private final int priority;
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private final Type type;
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public JingleS5BTransportCandidate(String candidateId, String host, Jid jid, int port, int priority, Type type) {
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Objects.requireNonNull(candidateId);
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Objects.requireNonNull(host);
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Objects.requireNonNull(jid);
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if (priority < 0) {
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throw new IllegalArgumentException("Priority MUST NOT be less than 0.");
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}
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if (port < 0) {
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throw new IllegalArgumentException("Port MUST NOT be less than 0.");
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}
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this.cid = candidateId;
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this.host = host;
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this.jid = jid;
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this.port = port;
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this.priority = priority;
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this.type = type;
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}
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public JingleS5BTransportCandidate(Bytestream.StreamHost streamHost, int priority, Type type) {
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this(StringUtils.randomString(24), streamHost.getAddress(), streamHost.getJID(), streamHost.getPort(), priority, type);
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}
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public enum Type {
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assisted (120),
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direct (126),
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proxy (10),
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tunnel (110),
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;
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private final int weight;
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public int getWeight() {
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return weight;
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}
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Type(int weight) {
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this.weight = weight;
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}
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public static Type fromString(String name) {
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for (Type t : Type.values()) {
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if (t.toString().equals(name)) {
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return t;
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}
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}
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throw new IllegalArgumentException("Illegal type: " + name);
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}
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}
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public String getCandidateId() {
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return cid;
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}
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public String getHost() {
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return host;
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}
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public Jid getJid() {
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return jid;
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}
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public int getPort() {
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return port;
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}
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public int getPriority() {
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return priority;
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}
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public Type getType() {
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return type;
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}
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public Bytestream.StreamHost getStreamHost() {
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return new Bytestream.StreamHost(jid, host, port);
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}
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@Override
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public CharSequence toXML(String enclosingNamespace) {
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XmlStringBuilder xml = new XmlStringBuilder();
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xml.halfOpenElement(this);
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xml.attribute(ATTR_CID, cid);
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xml.attribute(ATTR_HOST, host);
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xml.attribute(ATTR_JID, jid);
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if (port >= 0) {
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xml.attribute(ATTR_PORT, port);
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}
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xml.attribute(ATTR_PRIORITY, priority);
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xml.optAttribute(ATTR_TYPE, type);
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xml.closeEmptyElement();
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return xml;
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}
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public static Builder getBuilder() {
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return new Builder();
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}
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public static final class Builder {
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private String cid;
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private String host;
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private Jid jid;
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private int port = -1;
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private int priority = -1;
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private Type type;
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private Builder() {
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}
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public Builder setCandidateId(String cid) {
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this.cid = cid;
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return this;
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}
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public Builder setHost(String host) {
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this.host = host;
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return this;
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}
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public Builder setJid(String jid) throws XmppStringprepException {
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this.jid = JidCreate.from(jid);
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return this;
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}
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public Builder setPort(int port) {
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if (port < 0) {
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throw new IllegalArgumentException("Port MUST NOT be less than 0.");
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}
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this.port = port;
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return this;
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}
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public Builder setPriority(int priority) {
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if (priority < 0) {
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throw new IllegalArgumentException("Priority MUST NOT be less than 0.");
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}
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this.priority = priority;
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return this;
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}
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public Builder setType(Type type) {
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this.type = type;
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return this;
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}
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public JingleS5BTransportCandidate build() {
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return new JingleS5BTransportCandidate(cid, host, jid, port, priority, type);
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}
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}
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}
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