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-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/JidConverter.java13
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java48
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/iq/MessageQuery.java10
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/iq/package-info.java8
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/Stream.java184
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java58
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/StreamError.java44
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/StreamHandler.java13
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java10
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/XMPPError.java73
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java189
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/router/XmlUtils.java88
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/BasicXmppSession.java69
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java40
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/Connection.java139
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java213
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java15
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java167
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java65
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java28
-rw-r--r--juick-server/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java37
21 files changed, 1511 insertions, 0 deletions
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/JidConverter.java b/juick-server/src/main/java/com/juick/server/xmpp/JidConverter.java
new file mode 100644
index 00000000..e9a9707e
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/JidConverter.java
@@ -0,0 +1,13 @@
+package com.juick.server.xmpp;
+
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.lang.Nullable;
+import rocks.xmpp.addr.Jid;
+
+public class JidConverter implements Converter<String, Jid> {
+ @Nullable
+ @Override
+ public Jid convert(String jidStr) {
+ return Jid.of(jidStr);
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java b/juick-server/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java
new file mode 100644
index 00000000..7978ceb3
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.helpers;
+
+import com.juick.server.xmpp.s2s.ConnectionIn;
+import com.juick.server.xmpp.s2s.ConnectionOut;
+
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Created by vitalyster on 16.02.2017.
+ */
+public class XMPPStatus {
+ private List<ConnectionIn> inbound;
+ private Set<ConnectionOut> outbound;
+
+ public List<ConnectionIn> getInbound() {
+ return inbound;
+ }
+
+ public void setInbound(List<ConnectionIn> inbound) {
+ this.inbound = inbound;
+ }
+
+ public Set<ConnectionOut> getOutbound() {
+ return outbound;
+ }
+
+ public void setOutbound(Set<ConnectionOut> outbound) {
+ this.outbound = outbound;
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/iq/MessageQuery.java b/juick-server/src/main/java/com/juick/server/xmpp/iq/MessageQuery.java
new file mode 100644
index 00000000..7500cbf8
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/iq/MessageQuery.java
@@ -0,0 +1,10 @@
+package com.juick.server.xmpp.iq;
+
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name = "query")
+public class MessageQuery {
+ private MessageQuery() {
+
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/iq/package-info.java b/juick-server/src/main/java/com/juick/server/xmpp/iq/package-info.java
new file mode 100644
index 00000000..dada8289
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/iq/package-info.java
@@ -0,0 +1,8 @@
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlSchema(namespace = "http://juick.com/query#messages", elementFormDefault = XmlNsForm.QUALIFIED)
+package com.juick.server.xmpp.iq;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlNsForm;
+import javax.xml.bind.annotation.XmlSchema; \ No newline at end of file
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/Stream.java b/juick-server/src/main/java/com/juick/server/xmpp/router/Stream.java
new file mode 100644
index 00000000..7532443c
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/Stream.java
@@ -0,0 +1,184 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2011, Ugnich Anton
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.server.xmpp.router;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+import rocks.xmpp.addr.Jid;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.util.UUID;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public abstract class Stream {
+
+ public boolean isLoggedIn() {
+ return loggedIn;
+ }
+
+ public void setLoggedIn(boolean loggedIn) {
+ this.loggedIn = loggedIn;
+ }
+
+ Jid from;
+ public Jid to;
+ private InputStream is;
+ private OutputStream os;
+ private XmlPullParserFactory factory;
+ protected XmlPullParser parser;
+ private OutputStreamWriter writer;
+ StreamHandler streamHandler;
+ private boolean loggedIn;
+ private Instant created;
+ private Instant updated;
+ String streamId;
+ private boolean secured;
+
+ public Stream(final Jid from, final Jid to, final InputStream is, final OutputStream os) throws XmlPullParserException {
+ this.from = from;
+ this.to = to;
+ this.is = is;
+ this.os = os;
+ factory = XmlPullParserFactory.newInstance();
+ created = updated = Instant.now();
+ streamId = UUID.randomUUID().toString();
+ }
+
+ void restartStream() throws XmlPullParserException {
+ parser = factory.newPullParser();
+ parser.setInput(new InputStreamReader(is, StandardCharsets.UTF_8));
+ parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+ writer = new OutputStreamWriter(os, StandardCharsets.UTF_8);
+ }
+
+ public void connect() {
+ try {
+ restartStream();
+ handshake();
+ parse();
+ } catch (XmlPullParserException e) {
+ StreamError invalidXmlError = new StreamError("invalid-xml");
+ send(invalidXmlError.toString());
+ connectionFailed(new Exception(invalidXmlError.getCondition()));
+ } catch (IOException e) {
+ connectionFailed(e);
+ }
+ }
+
+ public void setHandler(final StreamHandler streamHandler) {
+ this.streamHandler = streamHandler;
+ }
+
+ public abstract void handshake() throws XmlPullParserException, IOException;
+
+ public void logoff() {
+ setLoggedIn(false);
+ try {
+ writer.flush();
+ writer.close();
+ //TODO close parser
+ } catch (final Exception e) {
+ connectionFailed(e);
+ }
+ }
+
+ public void send(final String str) {
+ try {
+ updated = Instant.now();
+ writer.write(str);
+ writer.flush();
+ } catch (final Exception e) {
+ connectionFailed(e);
+ }
+ }
+
+ private void parse() throws IOException, XmlPullParserException {
+ while (parser.next() != XmlPullParser.END_DOCUMENT) {
+ if (parser.getEventType() == XmlPullParser.IGNORABLE_WHITESPACE) {
+ setUpdated();
+ }
+ if (parser.getEventType() != XmlPullParser.START_TAG) {
+ continue;
+ }
+ setUpdated();
+ final String tag = parser.getName();
+ switch (tag) {
+ case "message":
+ case "presence":
+ case "iq":
+ streamHandler.stanzaReceived(XmlUtils.parseToString(parser, false));
+ break;
+ case "error":
+ StreamError error = StreamError.parse(parser);
+ connectionFailed(new Exception(error.getCondition()));
+ return;
+ default:
+ XmlUtils.skip(parser);
+ break;
+ }
+ }
+ }
+
+ /**
+ * This method is used to be called on a parser or a connection error.
+ * It tries to close the XML-Reader and XML-Writer one last time.
+ */
+ private void connectionFailed(final Exception ex) {
+ if (isLoggedIn()) {
+ try {
+ writer.close();
+ //TODO close parser
+ } catch (Exception e) {
+ }
+ }
+ streamHandler.fail(ex);
+ }
+
+ public Instant getCreated() {
+ return created;
+ }
+
+ public Instant getUpdated() {
+ return updated;
+ }
+ public String getStreamId() {
+ return streamId;
+ }
+
+ public boolean isSecured() {
+ return secured;
+ }
+
+ public void setSecured(boolean secured) {
+ this.secured = secured;
+ }
+
+ public void setUpdated() {
+ this.updated = Instant.now();
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java
new file mode 100644
index 00000000..5e2f6f82
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java
@@ -0,0 +1,58 @@
+package com.juick.server.xmpp.router;
+
+import com.juick.xmpp.extensions.Handshake;
+import org.apache.commons.codec.digest.DigestUtils;
+import org.xmlpull.v1.XmlPullParserException;
+import rocks.xmpp.addr.Jid;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.UUID;
+
+/**
+ * Created by vitalyster on 30.01.2017.
+ */
+public class StreamComponentServer extends Stream {
+
+ private String streamId, secret;
+
+ public String getStreamId() {
+ return streamId;
+ }
+
+
+ public StreamComponentServer(InputStream is, OutputStream os, String password) throws XmlPullParserException {
+ super(null, null, is, os);
+ secret = password;
+ streamId = UUID.randomUUID().toString();
+ }
+ @Override
+ public void handshake() throws XmlPullParserException, IOException {
+ parser.next();
+ if (!parser.getName().equals("stream")
+ || !parser.getNamespace(null).equals(StreamNamespaces.NS_COMPONENT_ACCEPT)
+ || !parser.getNamespace("stream").equals(StreamNamespaces.NS_STREAM)) {
+ throw new IOException("invalid stream");
+ }
+ Jid domain = Jid.of(parser.getAttributeValue(null, "to"));
+ if (streamHandler.filter(null, domain)) {
+ send(new XMPPError(XMPPError.Type.cancel, "forbidden").toString());
+ throw new IOException("invalid domain");
+ }
+ from = domain;
+ to = domain;
+ send(String.format("<stream:stream xmlns:stream='%s' " +
+ "xmlns='%s' from='%s' id='%s'>", StreamNamespaces.NS_STREAM, StreamNamespaces.NS_COMPONENT_ACCEPT, from.asBareJid().toEscapedString(), streamId));
+ Handshake handshake = Handshake.parse(parser);
+ boolean authenticated = handshake.getValue().equals(DigestUtils.sha1Hex(streamId + secret));
+ setLoggedIn(authenticated);
+ if (!authenticated) {
+ send(new XMPPError(XMPPError.Type.cancel, "not-authorized").toString());
+ streamHandler.fail(new IOException("stream:stream, failed authentication"));
+ return;
+ }
+ send(new Handshake().toString());
+ streamHandler.ready();
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamError.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamError.java
new file mode 100644
index 00000000..7eacfc94
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamError.java
@@ -0,0 +1,44 @@
+package com.juick.server.xmpp.router;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+
+
+/**
+ * Created by vitalyster on 03.02.2017.
+ */
+public class StreamError {
+
+ private String condition;
+
+ public StreamError() {}
+
+ public StreamError(String condition) {
+ this.condition = condition;
+ }
+
+ public static StreamError parse(XmlPullParser parser) throws IOException, XmlPullParserException {
+ StreamError streamError = new StreamError();
+ while (parser.next() == XmlPullParser.START_TAG) {
+ final String tag = parser.getName();
+ final String xmlns = parser.getNamespace();
+ if (xmlns.equals(StreamNamespaces.NS_XMPP_STREAMS)) {
+ streamError.condition = tag;
+ } else {
+ XmlUtils.skip(parser);
+ }
+ }
+ return streamError;
+ }
+
+ public String getCondition() {
+ return condition;
+ }
+
+ @Override
+ public String toString() {
+ return String.format("<stream:error><%s xmlns='%s'/></stream:error>", condition, StreamNamespaces.NS_XMPP_STREAMS);
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamHandler.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamHandler.java
new file mode 100644
index 00000000..43836c2d
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamHandler.java
@@ -0,0 +1,13 @@
+package com.juick.server.xmpp.router;
+
+import rocks.xmpp.addr.Jid;
+
+/**
+ * Created by vitalyster on 01.02.2017.
+ */
+public interface StreamHandler {
+ void ready();
+ void fail(final Exception ex);
+ boolean filter(Jid from, Jid to);
+ void stanzaReceived(String stanza);
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java
new file mode 100644
index 00000000..1b9b1965
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java
@@ -0,0 +1,10 @@
+package com.juick.server.xmpp.router;
+
+public class StreamNamespaces {
+ public static final String NS_STREAM = "http://etherx.jabber.org/streams";
+ public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
+ public static final String NS_DB = "jabber:server:dialback";
+ public static final String NS_SERVER = "jabber:server";
+ public static final String NS_COMPONENT_ACCEPT = "jabber:component:accept";
+ public static final String NS_XMPP_STREAMS = "urn:ietf:params:xml:ns:xmpp-streams";
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPError.java b/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPError.java
new file mode 100644
index 00000000..0cf9a3bc
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPError.java
@@ -0,0 +1,73 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2013, ugnich
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.server.xmpp.router;
+
+import org.apache.commons.text.StringEscapeUtils;
+
+/**
+ *
+ * @author ugnich
+ */
+public class XMPPError {
+
+ public static final class Type {
+
+ public static final String auth = "auth";
+ public static final String cancel = "cancel";
+ public static final String continue_ = "continue";
+ public static final String modify = "modify";
+ public static final String wait = "wait";
+ }
+ private final static String TagName = "error";
+ public String by = null;
+ private String type;
+ private String condition;
+ private String text = null;
+
+ public XMPPError(String type, String condition) {
+ this.type = type;
+ this.condition = condition;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder str = new StringBuilder("<").append(TagName).append("");
+ if (by != null) {
+ str.append(" by=\"").append(StringEscapeUtils.escapeXml10(by)).append("\"");
+ }
+ if (type != null) {
+ str.append(" type=\"").append(StringEscapeUtils.escapeXml10(type)).append("\"");
+ }
+
+ if (condition != null) {
+ str.append(">");
+ str.append("<").append(StringEscapeUtils.escapeXml10(condition)).append(" xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"");
+ if (text != null) {
+ str.append(">").append(StringEscapeUtils.escapeXml10(text)).append("</").append(StringEscapeUtils.escapeXml10(condition))
+ .append(">");
+ } else {
+ str.append("/>");
+ }
+ str.append("</").append(TagName).append(">");
+ } else {
+ str.append("/>");
+ }
+
+ return str.toString();
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java b/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java
new file mode 100644
index 00000000..6edecf05
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java
@@ -0,0 +1,189 @@
+package com.juick.server.xmpp.router;
+
+import com.juick.server.XMPPServer;
+import com.juick.server.xmpp.s2s.BasicXmppSession;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.xmlpull.v1.XmlPullParserException;
+import rocks.xmpp.addr.Jid;
+import rocks.xmpp.core.stanza.model.IQ;
+import rocks.xmpp.core.stanza.model.Message;
+import rocks.xmpp.core.stanza.model.Presence;
+import rocks.xmpp.core.stanza.model.Stanza;
+import rocks.xmpp.core.stanza.model.server.ServerIQ;
+import rocks.xmpp.core.stanza.model.server.ServerMessage;
+import rocks.xmpp.core.stanza.model.server.ServerPresence;
+import rocks.xmpp.util.XmppUtils;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.inject.Inject;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Unmarshaller;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+import java.io.IOException;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.SocketException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+
+@Component
+public class XMPPRouter implements StreamHandler {
+ private static final Logger logger = LoggerFactory.getLogger(XMPPRouter.class);
+
+ @Inject
+ private ExecutorService service;
+
+ private final List<StreamComponentServer> connections = Collections.synchronizedList(new ArrayList<>());
+
+ private ServerSocket listener;
+
+ @Inject
+ private BasicXmppSession session;
+
+ @Value("${router_port:5347}")
+ private int routerPort;
+
+ @Inject
+ private XMPPServer xmppServer;
+
+ @PostConstruct
+ public void init() {
+ logger.info("component router initialized");
+ service.submit(() -> {
+ try {
+ listener = new ServerSocket(routerPort);
+ logger.info("component router listening on {}", routerPort);
+ while (!listener.isClosed()) {
+ if (Thread.currentThread().isInterrupted()) break;
+ Socket socket = listener.accept();
+ service.submit(() -> {
+ try {
+ StreamComponentServer client = new StreamComponentServer(socket.getInputStream(), socket.getOutputStream(), "secret");
+ addConnectionIn(client);
+ client.setHandler(this);
+ client.connect();
+ } catch (IOException e) {
+ logger.error("component error", e);
+ } catch (XmlPullParserException e) {
+ e.printStackTrace();
+ }
+ });
+ }
+ } catch (SocketException e) {
+ // shutdown
+ } catch (IOException e) {
+ logger.warn("io exception", e);
+ }
+ });
+ }
+
+ @PreDestroy
+ public void close() throws Exception {
+ if (!listener.isClosed()) {
+ listener.close();
+ }
+ synchronized (getConnections()) {
+ for (Iterator<StreamComponentServer> i = getConnections().iterator(); i.hasNext(); ) {
+ StreamComponentServer c = i.next();
+ c.logoff();
+ i.remove();
+ }
+ }
+ service.shutdown();
+ logger.info("XMPP router destroyed");
+ }
+
+ private void addConnectionIn(StreamComponentServer c) {
+ synchronized (getConnections()) {
+ getConnections().add(c);
+ }
+ }
+
+ private void sendOut(Stanza s) {
+ try {
+ StringWriter stanzaWriter = new StringWriter();
+ XMLStreamWriter xmppStreamWriter = XmppUtils.createXmppStreamWriter(
+ session.getConfiguration().getXmlOutputFactory().createXMLStreamWriter(stanzaWriter));
+ session.createMarshaller().marshal(s, xmppStreamWriter);
+ xmppStreamWriter.flush();
+ xmppStreamWriter.close();
+ String xml = stanzaWriter.toString();
+ logger.info("XMPPRouter (out): {}", xml);
+ sendOut(s.getTo().getDomain(), xml);
+ } catch (XMLStreamException | JAXBException e1) {
+ logger.info("jaxb exception", e1);
+ }
+ }
+
+ private void sendOut(String hostname, String xml) {
+ boolean haveAnyConn = false;
+
+ StreamComponentServer connOut = null;
+ synchronized (getConnections()) {
+ for (StreamComponentServer c : getConnections()) {
+ if (c.to != null && c.to.getDomain().equals(hostname)) {
+ if (c.isLoggedIn()) {
+ connOut = c;
+ break;
+ }
+ }
+ }
+ }
+ if (connOut != null) {
+ connOut.send(xml);
+ return;
+ }
+ xmppServer.sendOut(Jid.of(hostname), xml);
+
+ }
+
+ public List<StreamComponentServer> getConnections() {
+ return connections;
+ }
+
+ private Stanza parse(String xml) {
+ try {
+ Unmarshaller unmarshaller = session.createUnmarshaller();
+ return (Stanza)unmarshaller.unmarshal(new StringReader(xml));
+ } catch (JAXBException e) {
+ logger.error("JAXB exception", e);
+ }
+ return null;
+ }
+ @Override
+ public void stanzaReceived(String stanza) {
+ Stanza input = parse(stanza);
+ if (input instanceof Message) {
+ sendOut(ServerMessage.from((Message)input));
+ } else if (input instanceof IQ) {
+ sendOut(ServerIQ.from((IQ)input));
+ } else {
+ sendOut(ServerPresence.from((Presence) input));
+ }
+ }
+
+ @Override
+ public void ready() {
+
+ }
+
+ @Override
+ public void fail(Exception e) {
+
+ }
+
+ @Override
+ public boolean filter(Jid jid, Jid jid1) {
+ return false;
+ }
+} \ No newline at end of file
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/XmlUtils.java b/juick-server/src/main/java/com/juick/server/xmpp/router/XmlUtils.java
new file mode 100644
index 00000000..7579489f
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/router/XmlUtils.java
@@ -0,0 +1,88 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2011, Ugnich Anton
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.server.xmpp.router;
+
+import java.io.IOException;
+
+import org.apache.commons.text.StringEscapeUtils;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class XmlUtils {
+
+ public static void skip(XmlPullParser parser) throws XmlPullParserException, IOException {
+ String tag = parser.getName();
+ while (parser.getName() != null && !(parser.next() == XmlPullParser.END_TAG && parser.getName().equals(tag))) {
+ }
+ }
+
+ public static String getTagText(XmlPullParser parser) throws XmlPullParserException, IOException {
+ String ret = "";
+ String tag = parser.getName();
+
+ if (parser.next() == XmlPullParser.TEXT) {
+ ret = parser.getText();
+ }
+
+ while (!(parser.getEventType() == XmlPullParser.END_TAG && parser.getName().equals(tag))) {
+ parser.next();
+ }
+
+ return ret;
+ }
+
+ public static String parseToString(XmlPullParser parser, boolean skipXMLNS) throws XmlPullParserException, IOException {
+ String tag = parser.getName();
+ StringBuilder ret = new StringBuilder("<").append(tag);
+
+ // skipXMLNS for xmlns="jabber:client"
+
+ String ns = parser.getNamespace();
+ if (!skipXMLNS && ns != null && !ns.isEmpty()) {
+ ret.append(" xmlns=\"").append(ns).append("\"");
+ }
+
+ for (int i = 0; i < parser.getAttributeCount(); i++) {
+ String attr = parser.getAttributeName(i);
+ if ((!skipXMLNS || !attr.equals("xmlns")) && !attr.contains(":")) {
+ ret.append(" ").append(attr).append("=\"").append(StringEscapeUtils.escapeXml10(parser.getAttributeValue(i))).append("\"");
+ }
+ }
+ ret.append(">");
+
+ while (!(parser.next() == XmlPullParser.END_TAG && parser.getName().equals(tag))) {
+ int event = parser.getEventType();
+ if (event == XmlPullParser.START_TAG) {
+ if (!parser.getName().contains(":")) {
+ ret.append(parseToString(parser, false));
+ } else {
+ skip(parser);
+ }
+ } else if (event == XmlPullParser.TEXT) {
+ ret.append(StringEscapeUtils.escapeXml10(parser.getText()));
+ }
+ }
+
+ ret.append("</").append(tag).append(">");
+ return ret.toString();
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/BasicXmppSession.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/BasicXmppSession.java
new file mode 100644
index 00000000..647f2717
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/BasicXmppSession.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s;
+
+import rocks.xmpp.addr.Jid;
+import rocks.xmpp.core.XmppException;
+import rocks.xmpp.core.session.ConnectionConfiguration;
+import rocks.xmpp.core.session.XmppSession;
+import rocks.xmpp.core.session.XmppSessionConfiguration;
+import rocks.xmpp.core.stanza.model.IQ;
+import rocks.xmpp.core.stanza.model.Message;
+import rocks.xmpp.core.stanza.model.Presence;
+import rocks.xmpp.core.stanza.model.server.ServerIQ;
+import rocks.xmpp.core.stanza.model.server.ServerMessage;
+import rocks.xmpp.core.stanza.model.server.ServerPresence;
+import rocks.xmpp.core.stream.model.StreamElement;
+
+/**
+ * Created by vitalyster on 06.02.2017.
+ */
+public class BasicXmppSession extends XmppSession {
+ protected BasicXmppSession(String xmppServiceDomain, XmppSessionConfiguration configuration, ConnectionConfiguration... connectionConfigurations) {
+ super(xmppServiceDomain, configuration, connectionConfigurations);
+ }
+
+ public static BasicXmppSession create(String xmppServiceDomain, XmppSessionConfiguration configuration) {
+ BasicXmppSession session = new BasicXmppSession(xmppServiceDomain, configuration);
+ notifyCreationListeners(session);
+ return session;
+ }
+
+ @Override
+ public void connect(Jid from) throws XmppException {
+
+ }
+
+ @Override
+ public Jid getConnectedResource() {
+ return null;
+ }
+
+ @Override
+ protected StreamElement prepareElement(StreamElement element) {
+ if (element instanceof Message) {
+ element = ServerMessage.from((Message) element);
+ } else if (element instanceof Presence) {
+ element = ServerPresence.from((Presence) element);
+ } else if (element instanceof IQ) {
+ element = ServerIQ.from((IQ) element);
+ }
+
+ return element;
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java
new file mode 100644
index 00000000..33e875bd
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s;
+
+import rocks.xmpp.addr.Jid;
+
+import java.time.Instant;
+
+/**
+ *
+ * @author ugnich
+ */
+public class CacheEntry {
+
+ public Jid hostname;
+ public Instant created;
+ public Instant updated;
+ public String xml;
+
+ public CacheEntry(Jid hostname, String xml) {
+ this.hostname = hostname;
+ this.created = this.updated =Instant.now();
+ this.xml = xml;
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/Connection.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/Connection.java
new file mode 100644
index 00000000..6bf61169
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/Connection.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.juick.server.XMPPServer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.util.UUID;
+
+/**
+ *
+ * @author ugnich
+ */
+public class Connection {
+
+ protected static final Logger logger = LoggerFactory.getLogger(Connection.class);
+
+ public String streamID;
+ public Instant created;
+ public Instant updated;
+ public long bytesLocal = 0;
+ public long packetsLocal = 0;
+ XMPPServer xmpp;
+ private Socket socket;
+ public static final String NS_DB = "jabber:server:dialback";
+ public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
+ public static final String NS_STREAM = "http://etherx.jabber.org/streams";
+ XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
+ XmlPullParser parser = factory.newPullParser();
+ OutputStreamWriter writer;
+ private boolean secured = false;
+
+
+
+ public Connection(XMPPServer xmpp) throws XmlPullParserException {
+ this.xmpp = xmpp;
+ created = updated = Instant.now();
+ }
+
+ public void logParser() {
+ if (streamID == null) {
+ return;
+ }
+ String tag = "IN: <" + parser.getName();
+ for (int i = 0; i < parser.getAttributeCount(); i++) {
+ tag += " " + parser.getAttributeName(i) + "=\"" + parser.getAttributeValue(i) + "\"";
+ }
+ tag += ">...</" + parser.getName() + ">\n";
+ logger.trace(tag);
+ }
+
+ public void sendStanza(String xml) {
+ if (streamID != null) {
+ logger.trace("OUT: {}\n", xml);
+ }
+ try {
+ writer.write(xml);
+ writer.flush();
+ } catch (IOException e) {
+ logger.error("send stanza failed", e);
+ }
+
+ updated = Instant.now();
+ bytesLocal += xml.length();
+ packetsLocal++;
+ }
+
+ public void closeConnection() {
+ if (streamID != null) {
+ logger.debug("closing stream {}", streamID);
+ }
+
+ try {
+ writer.write("</stream:stream>");
+ } catch (Exception e) {
+ }
+
+ try {
+ writer.close();
+ } catch (Exception e) {
+ }
+
+ try {
+ socket.close();
+ } catch (Exception e) {
+ }
+ }
+
+ public boolean isSecured() {
+ return secured;
+ }
+
+ public void setSecured(boolean secured) {
+ this.secured = secured;
+ }
+
+ public void restartParser() throws XmlPullParserException, IOException {
+ streamID = UUID.randomUUID().toString();
+ parser = factory.newPullParser();
+ parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+ parser.setInput(new InputStreamReader(socket.getInputStream()));
+ writer = new OutputStreamWriter(socket.getOutputStream(), StandardCharsets.UTF_8);
+ }
+
+ @JsonIgnore
+ public Socket getSocket() {
+ return socket;
+ }
+
+ public void setSocket(Socket socket) {
+ this.socket = socket;
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java
new file mode 100644
index 00000000..9ee81d4d
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java
@@ -0,0 +1,213 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s;
+
+import com.juick.server.XMPPServer;
+import com.juick.xmpp.extensions.StreamError;
+import com.juick.xmpp.utils.XmlUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import rocks.xmpp.addr.Jid;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.net.Socket;
+import java.net.SocketException;
+import java.time.Instant;
+import java.util.Arrays;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+/**
+ * @author ugnich
+ */
+public class ConnectionIn extends Connection implements Runnable {
+
+ final public List<Jid> from = new CopyOnWriteArrayList<>();
+ public Instant received;
+ public long packetsRemote = 0;
+ ConnectionListener listener;
+
+ public ConnectionIn(XMPPServer xmpp, Socket socket) throws XmlPullParserException, IOException {
+ super(xmpp);
+ this.setSocket(socket);
+ restartParser();
+ }
+
+ @Override
+ public void run() {
+ try {
+ parser.next(); // stream:stream
+ updateTsRemoteData();
+ if (!parser.getName().equals("stream")
+ || !parser.getNamespace("stream").equals(NS_STREAM)) {
+// || !parser.getAttributeValue(null, "version").equals("1.0")
+// || !parser.getAttributeValue(null, "to").equals(Main.HOSTNAME)) {
+ throw new Exception(String.format("stream from %s invalid", getSocket().getRemoteSocketAddress()));
+ }
+ streamID = parser.getAttributeValue(null, "id");
+ if (streamID == null) {
+ streamID = UUID.randomUUID().toString();
+ }
+ boolean xmppversionnew = parser.getAttributeValue(null, "version") != null;
+ String from = parser.getAttributeValue(null, "from");
+
+ if (Arrays.asList(xmpp.bannedHosts).contains(from)) {
+ closeConnection();
+ return;
+ }
+ sendOpenStream(from, xmppversionnew);
+
+ while (parser.next() != XmlPullParser.END_DOCUMENT) {
+ updateTsRemoteData();
+ if (parser.getEventType() != XmlPullParser.START_TAG) {
+ continue;
+ }
+ logParser();
+
+ packetsRemote++;
+
+ String tag = parser.getName();
+ if (tag.equals("result") && parser.getNamespace().equals(NS_DB)) {
+ String dfrom = parser.getAttributeValue(null, "from");
+ String to = parser.getAttributeValue(null, "to");
+ logger.debug("stream from {} to {} {} asking for dialback", dfrom, to, streamID);
+ if (dfrom.endsWith(xmpp.getJid().toEscapedString()) && (dfrom.equals(xmpp.getJid().toEscapedString())
+ || dfrom.endsWith("." + xmpp.getJid()))) {
+ logger.warn("stream from {} is invalid", dfrom);
+ break;
+ }
+ if (to != null && to.equals(xmpp.getJid().toEscapedString())) {
+ String dbKey = XmlUtils.getTagText(parser);
+ updateTsRemoteData();
+ xmpp.startDialback(Jid.of(dfrom), streamID, dbKey);
+ } else {
+ logger.warn("stream from " + dfrom + " " + streamID + " invalid to " + to);
+ break;
+ }
+ } else if (tag.equals("verify") && parser.getNamespace().equals(NS_DB)) {
+ String vfrom = parser.getAttributeValue(null, "from");
+ String vto = parser.getAttributeValue(null, "to");
+ String vid = parser.getAttributeValue(null, "id");
+ String vkey = XmlUtils.getTagText(parser);
+ updateTsRemoteData();
+ final boolean[] valid = {false};
+ if (vfrom != null && vto != null && vid != null && vkey != null) {
+ xmpp.getConnectionOut(Jid.of(vfrom), false).ifPresent(c -> {
+ String dialbackKey = c.dbKey;
+ valid[0] = vkey.equals(dialbackKey);
+ });
+ }
+ if (valid[0]) {
+ sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='valid'/>");
+ logger.debug("stream from {} {} dialback verify valid", vfrom, streamID);
+ } else {
+ sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='invalid'/>");
+ logger.warn("stream from {} {} dialback verify invalid", vfrom, streamID);
+ }
+ } else if (tag.equals("presence") && checkFromTo(parser)) {
+ String xml = XmlUtils.parseToString(parser, false);
+ logger.debug("stream {} presence: {}", streamID, xml);
+ xmpp.onStanzaReceived(xml);
+ } else if (tag.equals("message") && checkFromTo(parser)) {
+ updateTsRemoteData();
+ String xml = XmlUtils.parseToString(parser, false);
+ logger.debug("stream {} message: {}", streamID, xml);
+ xmpp.onStanzaReceived(xml);
+
+ } else if (tag.equals("iq") && checkFromTo(parser)) {
+ updateTsRemoteData();
+ String type = parser.getAttributeValue(null, "type");
+ String xml = XmlUtils.parseToString(parser, false);
+ if (type == null || !type.equals("error")) {
+ logger.debug("stream {} iq: {}", streamID, xml);
+ xmpp.onStanzaReceived(xml);
+ }
+ } else if (!isSecured() && tag.equals("starttls")) {
+ listener.starttls(this);
+ } else if (isSecured() && tag.equals("stream") && parser.getNamespace().equals(NS_STREAM)) {
+ sendOpenStream(null, true);
+ } else if (tag.equals("error")) {
+ StreamError streamError = StreamError.parse(parser);
+ logger.debug("Stream error from {}: {}", streamID, streamError.getCondition());
+ xmpp.removeConnectionIn(this);
+ closeConnection();
+ } else {
+ String unhandledStanza = XmlUtils.parseToString(parser, true);
+ logger.warn("Unhandled stanza from {}: {}", streamID, unhandledStanza);
+ }
+ }
+ logger.warn("stream {} finished", streamID);
+ xmpp.removeConnectionIn(this);
+ closeConnection();
+ } catch (EOFException | SocketException ex) {
+ logger.debug("stream {} closed (dirty)", streamID);
+ xmpp.removeConnectionIn(this);
+ closeConnection();
+ } catch (Exception e) {
+ logger.debug("stream {} error {}", streamID, e);
+ xmpp.removeConnectionIn(this);
+ closeConnection();
+ }
+ }
+
+ void updateTsRemoteData() {
+ received = Instant.now();
+ }
+
+ void sendOpenStream(String from, boolean xmppversionnew) throws IOException {
+ String openStream = "<?xml version='1.0'?><stream:stream xmlns='jabber:server' " +
+ "xmlns:stream='http://etherx.jabber.org/streams' xmlns:db='jabber:server:dialback' from='" +
+ xmpp.getJid().toEscapedString() + "' id='" + streamID + "' version='1.0'>";
+ if (xmppversionnew) {
+ openStream += "<stream:features>";
+ if (listener != null && listener.isTlsAvailable() && !isSecured() && !Arrays.asList(xmpp.brokenSSLhosts).contains(from)) {
+ openStream += "<starttls xmlns=\"" + NS_TLS + "\"><optional/></starttls>";
+ }
+ openStream += "</stream:features>";
+ }
+ sendStanza(openStream);
+ }
+
+ public void sendDialbackResult(Jid sfrom, String type) {
+ sendStanza("<db:result from='" + xmpp.getJid().toEscapedString() + "' to='" + sfrom + "' type='" + type + "'/>");
+ if (type.equals("valid")) {
+ from.add(sfrom);
+ logger.debug("stream from {} {} ready", sfrom, streamID);
+ }
+ }
+
+ boolean checkFromTo(XmlPullParser parser) throws Exception {
+ String cfrom = parser.getAttributeValue(null, "from");
+ String cto = parser.getAttributeValue(null, "to");
+ if (StringUtils.isNotEmpty(cfrom) && StringUtils.isNotEmpty(cto)) {
+ Jid jidfrom = Jid.of(cfrom);
+ for (Jid aFrom : from) {
+ if (aFrom.equals(Jid.of(jidfrom.getDomain()))) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+ public void setListener(ConnectionListener listener) {
+ this.listener = listener;
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java
new file mode 100644
index 00000000..fde7a0e7
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java
@@ -0,0 +1,15 @@
+package com.juick.server.xmpp.s2s;
+
+import com.juick.xmpp.extensions.StreamError;
+
+public interface ConnectionListener {
+ boolean isTlsAvailable();
+ void starttls(ConnectionIn connection);
+ void proceed(ConnectionOut connection);
+ void verify(ConnectionOut connection, String from, String type, String sid);
+ void dialbackError(ConnectionOut connection, StreamError error);
+ void finished(ConnectionOut connection, boolean dirty);
+ void exception(ConnectionOut connection, Exception ex);
+ void ready(ConnectionOut connection);
+ boolean securing(ConnectionOut connection);
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java
new file mode 100644
index 00000000..e3bd53e9
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s;
+
+import com.juick.server.xmpp.s2s.util.DialbackUtils;
+import com.juick.xmpp.Stream;
+import com.juick.xmpp.extensions.StreamError;
+import com.juick.xmpp.extensions.StreamFeatures;
+import com.juick.xmpp.utils.XmlUtils;
+import org.apache.commons.text.RandomStringGenerator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.xmlpull.v1.XmlPullParser;
+import rocks.xmpp.addr.Jid;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.SocketException;
+import java.util.UUID;
+
+/**
+ * @author ugnich
+ */
+public class ConnectionOut extends Stream {
+ protected static final Logger logger = LoggerFactory.getLogger(ConnectionOut.class);
+ public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
+ public static final String NS_DB = "jabber:server:dialback";
+ private boolean secured = false;
+
+ public boolean streamReady = false;
+ String checkSID = null;
+ String dbKey = null;
+ private String streamID;
+ ConnectionListener listener;
+ RandomStringGenerator generator = new RandomStringGenerator.Builder().withinRange('a', 'z').build();
+
+ public ConnectionOut(Jid from, Jid to, InputStream is, OutputStream os, String checkSID, String dbKey) throws Exception {
+ super(from, to, is, os);
+ this.to = to;
+ this.checkSID = checkSID;
+ this.dbKey = dbKey;
+ if (dbKey == null) {
+ this.dbKey = DialbackUtils.generateDialbackKey(generator.generate(15), to, from, streamID);
+ }
+ streamID = UUID.randomUUID().toString();
+ }
+
+ public void sendOpenStream() throws IOException {
+ send("<?xml version='1.0'?><stream:stream xmlns='jabber:server' id='" + streamID +
+ "' xmlns:stream='http://etherx.jabber.org/streams' xmlns:db='jabber:server:dialback' from='" +
+ from.toEscapedString() + "' to='" + to.toEscapedString() + "' version='1.0'>");
+ }
+
+ void processDialback() throws Exception {
+ if (checkSID != null) {
+ sendDialbackVerify(checkSID, dbKey);
+ }
+ send("<db:result from='" + from.toEscapedString() + "' to='" + to.toEscapedString() + "'>" +
+ dbKey + "</db:result>");
+ }
+
+ @Override
+ public void handshake() {
+ try {
+ restartStream();
+
+ sendOpenStream();
+
+ parser.next(); // stream:stream
+ streamID = parser.getAttributeValue(null, "id");
+ if (streamID == null || streamID.isEmpty()) {
+ throw new Exception("stream to " + to + " invalid first packet");
+ }
+
+ logger.debug("stream to {} {} open", to, streamID);
+ boolean xmppversionnew = parser.getAttributeValue(null, "version") != null;
+ if (!xmppversionnew) {
+ processDialback();
+ }
+
+ while (parser.next() != XmlPullParser.END_DOCUMENT) {
+ if (parser.getEventType() != XmlPullParser.START_TAG) {
+ continue;
+ }
+
+ String tag = parser.getName();
+ if (tag.equals("result") && parser.getNamespace().equals(NS_DB)) {
+ String type = parser.getAttributeValue(null, "type");
+ if (type != null && type.equals("valid")) {
+ streamReady = true;
+ listener.ready(this);
+ } else {
+ logger.warn("stream to {} {} dialback fail", to, streamID);
+ }
+ XmlUtils.skip(parser);
+ } else if (tag.equals("verify") && parser.getNamespace().equals(NS_DB)) {
+ String from = parser.getAttributeValue(null, "from");
+ String type = parser.getAttributeValue(null, "type");
+ String sid = parser.getAttributeValue(null, "id");
+ listener.verify(this, from, type, sid);
+ XmlUtils.skip(parser);
+ } else if (tag.equals("features") && parser.getNamespace().equals(NS_STREAM)) {
+ StreamFeatures features = StreamFeatures.parse(parser);
+ if (listener != null && !secured && features.STARTTLS >= 0
+ && listener.securing(this)) {
+ logger.debug("stream to {} {} securing", to.toEscapedString(), streamID);
+ send("<starttls xmlns=\"" + NS_TLS + "\" />");
+ } else {
+ processDialback();
+ }
+ } else if (tag.equals("proceed") && parser.getNamespace().equals(NS_TLS)) {
+ listener.proceed(this);
+ } else if (secured && tag.equals("stream") && parser.getNamespace().equals(NS_STREAM)) {
+ streamID = parser.getAttributeValue(null, "id");
+ } else if (tag.equals("error")) {
+ StreamError streamError = StreamError.parse(parser);
+ listener.dialbackError(this, streamError);
+ } else {
+ String unhandledStanza = XmlUtils.parseToString(parser, true);
+ logger.warn("Unhandled stanza from {} {} : {}", to, streamID, unhandledStanza);
+ }
+ }
+ listener.finished(this, false);
+ } catch (EOFException | SocketException eofex) {
+ listener.finished(this, true);
+ } catch (Exception e) {
+ listener.exception(this, e);
+ }
+ }
+
+ public void sendDialbackVerify(String sid, String key) {
+ send("<db:verify from='" + from.toEscapedString() + "' to='" + to + "' id='" + sid + "'>" +
+ key + "</db:verify>");
+ }
+ public void setListener(ConnectionListener listener) {
+ this.listener = listener;
+ }
+
+ public String getStreamID() {
+ return streamID;
+ }
+
+ public boolean isSecured() {
+ return secured;
+ }
+
+ public void setSecured(boolean secured) {
+ this.secured = secured;
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java
new file mode 100644
index 00000000..1367d333
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s;
+
+import org.apache.commons.lang3.math.NumberUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.InetSocketAddress;
+import java.util.Hashtable;
+import java.util.Random;
+import javax.naming.NamingException;
+import javax.naming.directory.Attribute;
+import javax.naming.directory.DirContext;
+import javax.naming.directory.InitialDirContext;
+
+/**
+ *
+ * @author ugnich
+ */
+public class DNSQueries {
+
+ private static final Logger logger = LoggerFactory.getLogger(DNSQueries.class);
+
+ private static Random rand = new Random();
+
+ public static InetSocketAddress getServerAddress(String hostname) {
+
+ String host = hostname;
+ int port = 5269;
+
+ Hashtable<String, String> env = new Hashtable<>(5);
+ env.put("java.naming.factory.initial", "com.sun.jndi.dns.DnsContextFactory");
+ try {
+ DirContext ctx = new InitialDirContext(env);
+ Attribute att = ctx.getAttributes("_xmpp-server._tcp." + hostname, new String[]{"SRV"}).get("SRV");
+
+ if (att != null && att.size() > 0) {
+ int i = rand.nextInt(att.size());
+ String srv[] = att.get(i).toString().split(" ");
+ port = NumberUtils.toInt(srv[2], 5269);
+ host = srv[3];
+ }
+ ctx.close();
+ } catch (NamingException e) {
+ logger.debug("SRV record for {} is not resolved, falling back to A record", hostname);
+ }
+ return new InetSocketAddress(host, port);
+ }
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java
new file mode 100644
index 00000000..6932298f
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s;
+
+
+import rocks.xmpp.core.stanza.model.Stanza;
+
+/**
+ * Created by vitalyster on 07.12.2016.
+ */
+public interface StanzaListener {
+ void stanzaReceived(Stanza xmlValue);
+}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java
new file mode 100644
index 00000000..d25dbad8
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.server.xmpp.s2s.util;
+
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.codec.digest.HmacAlgorithms;
+import org.apache.commons.codec.digest.HmacUtils;
+import rocks.xmpp.addr.Jid;
+
+/**
+ * Created by vitalyster on 05.12.2016.
+ */
+public class DialbackUtils {
+ private DialbackUtils() {
+ throw new IllegalStateException();
+ }
+
+ public static String generateDialbackKey(String secret, Jid to, Jid from, String id) {
+ return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, DigestUtils.sha256(secret))
+ .hmacHex(to.toEscapedString() + " " + from.toEscapedString() + " " + id);
+ }
+}