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701aa7d9c4
Conflicts: smack-core/src/main/java/org/jivesoftware/smack/AbstractXMPPConnection.java smack-core/src/main/java/org/jivesoftware/smack/PacketCollector.java smack-core/src/main/java/org/jivesoftware/smack/PacketListener.java smack-core/src/main/java/org/jivesoftware/smack/XMPPConnection.java smack-core/src/main/java/org/jivesoftware/smack/debugger/SmackDebugger.java smack-core/src/main/java/org/jivesoftware/smack/packet/Packet.java smack-core/src/main/java/org/jivesoftware/smack/util/XmlStringBuilder.java smack-core/src/test/java/org/jivesoftware/smack/ThreadedDummyConnection.java smack-extensions/src/main/java/org/jivesoftware/smackx/address/provider/MultipleAddressesProvider.java smack-extensions/src/main/java/org/jivesoftware/smackx/bytestreams/ibb/DataListener.java smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/FaultTolerantNegotiator.java smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/IBBTransferNegotiator.java smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/Socks5TransferNegotiator.java smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/StreamNegotiator.java smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java smack-extensions/src/main/java/org/jivesoftware/smackx/pubsub/LeafNode.java smack-extensions/src/main/java/org/jivesoftware/smackx/pubsub/Node.java smack-extensions/src/main/java/org/jivesoftware/smackx/pubsub/PubSubManager.java smack-extensions/src/main/java/org/jivesoftware/smackx/pubsub/packet/PubSub.java smack-extensions/src/main/java/org/jivesoftware/smackx/vcardtemp/VCardManager.java smack-extensions/src/test/java/org/jivesoftware/smackx/receipts/DeliveryReceiptTest.java smack-im/src/main/java/org/jivesoftware/smack/chat/ChatManager.java smack-jingle-old/src/main/java/org/jivesoftware/smackx/jingleold/JingleSession.java smack-jingle-old/src/main/java/org/jivesoftware/smackx/jingleold/provider/JingleProvider.java smack-legacy/src/main/java/org/jivesoftware/smackx/workgroup/packet/UserID.java smack-legacy/src/main/java/org/jivesoftware/smackx/xroster/provider/RosterExchangeProvider.java smack-tcp/src/main/java/org/jivesoftware/smack/tcp/XMPPTCPConnection.java version.gradle
131 lines
4.7 KiB
Java
131 lines
4.7 KiB
Java
/**
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*
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* Copyright the original author or authors
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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.filetransfer;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.PushbackInputStream;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.SmackException.NoResponseException;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.XMPPException.XMPPErrorException;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamManager;
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import org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamRequest;
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import org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamSession;
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import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
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import org.jivesoftware.smackx.si.packet.StreamInitiation;
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import org.jxmpp.jid.Jid;
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/**
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* Negotiates a SOCKS5 Bytestream to be used for file transfers. The implementation is based on the
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* {@link Socks5BytestreamManager} and the {@link Socks5BytestreamRequest}.
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*
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* @author Henning Staib
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* @see <a href="http://xmpp.org/extensions/xep-0065.html">XEP-0065: SOCKS5 Bytestreams</a>
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*/
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public class Socks5TransferNegotiator extends StreamNegotiator {
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private XMPPConnection connection;
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private Socks5BytestreamManager manager;
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Socks5TransferNegotiator(XMPPConnection connection) {
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this.connection = connection;
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this.manager = Socks5BytestreamManager.getBytestreamManager(this.connection);
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}
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@Override
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public OutputStream createOutgoingStream(String streamID, Jid initiator, Jid target) throws NoResponseException, SmackException, XMPPException
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{
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try {
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return this.manager.establishSession(target, streamID).getOutputStream();
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}
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catch (IOException e) {
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throw new SmackException("error establishing SOCKS5 Bytestream", e);
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}
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catch (InterruptedException e) {
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throw new SmackException("error establishing SOCKS5 Bytestream", e);
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}
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}
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@Override
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public InputStream createIncomingStream(StreamInitiation initiation) throws XMPPErrorException,
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InterruptedException, SmackException {
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/*
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* SOCKS5 initiation listener must ignore next SOCKS5 Bytestream request with given session
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* ID
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*/
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this.manager.ignoreBytestreamRequestOnce(initiation.getSessionID());
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Stanza streamInitiation = initiateIncomingStream(this.connection, initiation);
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return negotiateIncomingStream(streamInitiation);
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}
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@Override
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public void newStreamInitiation(final Jid from, String streamID) {
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/*
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* this method is always called prior to #negotiateIncomingStream() so the SOCKS5
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* InitiationListener must ignore the next SOCKS5 Bytestream request with the given session
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* ID
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*/
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this.manager.ignoreBytestreamRequestOnce(streamID);
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}
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@Override
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public String[] getNamespaces() {
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return new String[] { Bytestream.NAMESPACE };
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}
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@Override
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InputStream negotiateIncomingStream(Stanza streamInitiation) throws InterruptedException,
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SmackException, XMPPErrorException {
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// build SOCKS5 Bytestream request
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Socks5BytestreamRequest request = new ByteStreamRequest(this.manager,
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(Bytestream) streamInitiation);
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// always accept the request
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Socks5BytestreamSession session = request.accept();
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// test input stream
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try {
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PushbackInputStream stream = new PushbackInputStream(session.getInputStream());
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int firstByte = stream.read();
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stream.unread(firstByte);
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return stream;
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}
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catch (IOException e) {
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throw new SmackException("Error establishing input stream", e);
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}
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}
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/**
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* Derive from Socks5BytestreamRequest to access protected constructor.
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*/
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private static class ByteStreamRequest extends Socks5BytestreamRequest {
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private ByteStreamRequest(Socks5BytestreamManager manager, Bytestream byteStreamRequest) {
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super(manager, byteStreamRequest);
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}
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}
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}
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