More ground work

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileOffer.java

@@ -0,0 +1,30 @@
+/**
+ *
+ * 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.jingle_filetransfer;
+
+import org.jivesoftware.smackx.jingle.Role;
+
+import org.jxmpp.jid.FullJid;
+
+/**
+ * Offer.
+ */
+public class JingleFileOffer extends JingleFileTransferSession {
+    public JingleFileOffer(FullJid initiator, FullJid responder, Role role, String sid) {
+        super(initiator, responder, role, sid, Type.offer);
+    }
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileRequest.java

@@ -0,0 +1,31 @@
+/**
+ *
+ * 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.jingle_filetransfer;
+
+import org.jivesoftware.smackx.jingle.Role;
+
+import org.jxmpp.jid.FullJid;
+
+/**
+ * Request.
+ */
+public class JingleFileRequest extends JingleFileTransferSession {
+
+    public JingleFileRequest(FullJid initiator, FullJid responder, Role role, String sid) {
+        super(initiator, responder, role, sid, Type.request);
+    }
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferManager.java

@@ -20,16 +20,27 @@ import java.util.WeakHashMap;
 
 import org.jivesoftware.smack.Manager;
 import org.jivesoftware.smack.XMPPConnection;
+import org.jivesoftware.smack.packet.IQ;
+import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
+import org.jivesoftware.smackx.jingle.JingleHandler;
+import org.jivesoftware.smackx.jingle.JingleManager;
+import org.jivesoftware.smackx.jingle.element.Jingle;
+import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransfer;
+
+import org.jxmpp.jid.FullJid;
 
 /**
  * Manager for JingleFileTransfer (XEP-0234).
  */
-public final class JingleFileTransferManager extends Manager {
+public final class JingleFileTransferManager extends Manager implements JingleHandler {
 
     private static final WeakHashMap<XMPPConnection, JingleFileTransferManager> INSTANCES = new WeakHashMap<>();
 
     private JingleFileTransferManager(XMPPConnection connection) {
         super(connection);
+        ServiceDiscoveryManager.getInstanceFor(connection).addFeature(JingleFileTransfer.NAMESPACE_V5);
+        JingleManager jingleManager = JingleManager.getInstanceFor(connection);
+        jingleManager.registerDescriptionHandler(JingleFileTransfer.NAMESPACE_V5, this);
     }
 
     public static JingleFileTransferManager getInstanceFor(XMPPConnection connection) {
@@ -40,4 +51,13 @@ public final class JingleFileTransferManager extends Manager {
         }
         return manager;
     }
+
+    @Override
+    public IQ handleJingleRequest(Jingle jingle) {
+        FullJid fullJid = jingle.getFrom().asFullJidOrThrow();
+        String sid = jingle.getSid();
+        JingleFileTransferSessionHandler handler = JingleFileTransferSessionHandler.getInstanceFor(connection());
+        JingleManager.getInstanceFor(connection()).registerJingleSessionHandler(fullJid, sid, handler);
+        return handler.handleJingleSessionRequest(jingle, jingle.getSid());
+    }
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferSession.java

@@ -0,0 +1,61 @@
+/**
+ *
+ * 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.jingle_filetransfer;
+
+import org.jivesoftware.smackx.jingle.JingleSession;
+import org.jivesoftware.smackx.jingle.Role;
+
+import org.jxmpp.jid.FullJid;
+
+/**
+ * Class representing a Jingle session in the context of Jingle File Transfer (XEP-0234).
+ */
+public abstract class JingleFileTransferSession extends JingleSession {
+
+    public enum Type {
+        offer,
+        request,
+        ;
+    }
+
+    private final Type type;
+
+    public JingleFileTransferSession(FullJid initiator, FullJid responder, Role role, String sid, Type type) {
+        super(initiator, responder, role, sid);
+        this.type = type;
+    }
+
+    public Type getType() {
+        return type;
+    }
+
+    public boolean isOffer() {
+        return this.type == Type.offer;
+    }
+
+    public boolean isRequest() {
+        return this.type == Type.request;
+    }
+
+    public boolean isSender() {
+        return (isOffer() && isInitiator()) || (isRequest() && isResponder());
+    }
+
+    public boolean isReceiver() {
+        return (isRequest() && isInitiator()) || (isOffer() && isResponder());
+    }
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferSessionHandler.java

@@ -0,0 +1,56 @@
+/**
+ *
+ * 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.jingle_filetransfer;
+
+import java.util.WeakHashMap;
+
+import org.jivesoftware.smack.XMPPConnection;
+import org.jivesoftware.smack.packet.IQ;
+import org.jivesoftware.smackx.jingle.JingleSessionHandler;
+import org.jivesoftware.smackx.jingle.JingleUtil;
+import org.jivesoftware.smackx.jingle.element.Jingle;
+
+/**
+ * Handler for JingleFileTransfer sessions.
+ */
+public final class JingleFileTransferSessionHandler implements JingleSessionHandler {
+
+    private static final WeakHashMap<XMPPConnection, JingleFileTransferSessionHandler> INSTANCES = new WeakHashMap<>();
+
+    private final XMPPConnection connection;
+    private final JingleUtil jutil;
+
+    private JingleFileTransferSessionHandler(XMPPConnection connection) {
+        this.connection = connection;
+        jutil = new JingleUtil(connection);
+    }
+
+    public static JingleFileTransferSessionHandler getInstanceFor(XMPPConnection connection) {
+        JingleFileTransferSessionHandler handler = INSTANCES.get(connection);
+        if (handler == null) {
+            handler = new JingleFileTransferSessionHandler(connection);
+            INSTANCES.put(connection, handler);
+        }
+        return handler;
+    }
+
+    @Override
+    public IQ handleJingleSessionRequest(Jingle jingle, String sessionId) {
+
+        return null;
+    }
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/listener/IncomingFileTransferListener.java

@@ -0,0 +1,27 @@
+/**
+ *
+ * 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.jingle_filetransfer.listener;
+
+import org.jivesoftware.smackx.jingle.element.Jingle;
+
+/**
+ * Created by vanitas on 18.06.17.
+ */
+public interface IncomingFileTransferListener {
+
+    void onIncomingJingleFileTransfer(Jingle request);
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/listener/package-info.java

@@ -0,0 +1,22 @@
+/**
+ *
+ * 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.
+ */
+
+/**
+ * Smack's API for <a href="https://xmpp.org/extensions/xep-0234.html">XEP-0234: Jingle File Transfer</a>.
+ * Listeners.
+ */
+package org.jivesoftware.smackx.jingle_filetransfer.listener;

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/FullJidAndSessionId.java

@@ -0,0 +1,49 @@
+/**
+ *
+ * Copyright 2017 Florian Schmaus, 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.jingle;
+
+import org.jxmpp.jid.FullJid;
+
+/**
+ * Pair of jid and sessionId.
+ */
+public class FullJidAndSessionId {
+    private final FullJid fullJid;
+    private final String sessionId;
+
+    public FullJidAndSessionId(FullJid fullJid, String sessionId) {
+        this.fullJid = fullJid;
+        this.sessionId = sessionId;
+    }
+
+    @Override
+    public int hashCode() {
+        int hashCode = 31 * fullJid.hashCode();
+        hashCode = 31 * hashCode + sessionId.hashCode();
+        return hashCode;
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (!(other instanceof FullJidAndSessionId)) {
+            return false;
+        }
+        FullJidAndSessionId otherFullJidAndSessionId = (FullJidAndSessionId) other;
+        return fullJid.equals(otherFullJidAndSessionId.fullJid)
+                && sessionId.equals(otherFullJidAndSessionId.sessionId);
+    }
+}

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/JingleManager.java

@@ -27,13 +27,12 @@ import org.jivesoftware.smack.iqrequest.AbstractIqRequestHandler;
 import org.jivesoftware.smack.iqrequest.IQRequestHandler.Mode;
 import org.jivesoftware.smack.packet.IQ;
 import org.jivesoftware.smack.packet.IQ.Type;
-
 import org.jivesoftware.smackx.jingle.element.Jingle;
+import org.jivesoftware.smackx.jingle.element.JingleAction;
 import org.jivesoftware.smackx.jingle.element.JingleContent;
 import org.jivesoftware.smackx.jingle.element.JingleContentDescription;
 
 import org.jxmpp.jid.FullJid;
-import org.jxmpp.jid.Jid;
 
 public final class JingleManager extends Manager {
 
@@ -54,44 +53,46 @@ public final class JingleManager extends Manager {
 
     private final Map<FullJidAndSessionId, JingleSessionHandler> jingleSessionHandlers = new ConcurrentHashMap<>();
 
+    private final JingleUtil jutil;
+
     private JingleManager(XMPPConnection connection) {
         super(connection);
 
+        jutil = new JingleUtil(connection);
+
         connection.registerIQRequestHandler(
                 new AbstractIqRequestHandler(Jingle.ELEMENT, Jingle.NAMESPACE, Type.set, Mode.async) {
                     @Override
                     public IQ handleIQRequest(IQ iqRequest) {
                         final Jingle jingle = (Jingle) iqRequest;
 
-                                if (jingle.getContents().isEmpty()) {
+                        FullJid fullFrom = jingle.getFrom().asFullJidOrThrow();
-                                    Jid from = jingle.getFrom();
-                                    assert (from != null);
-                                    FullJid fullFrom = from.asFullJidOrThrow();
                         String sid = jingle.getSid();
                         FullJidAndSessionId fullJidAndSessionId = new FullJidAndSessionId(fullFrom, sid);
-                                    JingleSessionHandler jingleSessionHandler = jingleSessionHandlers.get(fullJidAndSessionId);
+
-                                    if (jingleSessionHandler == null) {
+                        JingleSessionHandler sessionHandler = jingleSessionHandlers.get(fullJidAndSessionId);
-                                        // TODO handle non existing jingle session handler.
+                        if (sessionHandler != null) {
-                                        return null;
+                            //Handle existing session
-                                    }
+                            return sessionHandler.handleJingleSessionRequest(jingle, jingle.getSid());
-                                    return jingleSessionHandler.handleJingleSessionRequest(jingle, sid);
                         }
 
-                                if (jingle.getContents().size() > 1) {
+                        if (jingle.getAction() == JingleAction.session_initiate) {
-                                    LOGGER.severe("Jingle IQs with more then one content element are currently not supported by Smack");
-                                    return null;
-                                }
 
                             JingleContent content = jingle.getContents().get(0);
                             JingleContentDescription description = content.getDescription();
                             JingleHandler jingleDescriptionHandler = descriptionHandlers.get(
                                     description.getNamespace());
+
                             if (jingleDescriptionHandler == null) {
-                                    // TODO handle non existing content description handler.
+                                //Unsupported Application
-                                    return null;
+                                return jutil.createSessionTerminateUnsupportedApplications(fullFrom, sid);
                             }
                             return jingleDescriptionHandler.handleJingleRequest(jingle);
                         }
+
+                        //Unknown session
+                        return jutil.createErrorUnknownSession(jingle);
+                    }
                 });
     }
 
@@ -108,31 +109,4 @@ public final class JingleManager extends Manager {
         FullJidAndSessionId fullJidAndSessionId = new FullJidAndSessionId(otherJid, sessionId);
         return jingleSessionHandlers.remove(fullJidAndSessionId);
     }
-
-    private static final class FullJidAndSessionId {
-        final FullJid fullJid;
-        final String sessionId;
-
-        private FullJidAndSessionId(FullJid fullJid, String sessionId) {
-            this.fullJid = fullJid;
-            this.sessionId = sessionId;
-        }
-
-        @Override
-        public int hashCode() {
-            int hashCode = 31 * fullJid.hashCode();
-            hashCode = 31 * hashCode + sessionId.hashCode();
-            return hashCode;
-        }
-
-        @Override
-        public boolean equals(Object other) {
-            if (!(other instanceof FullJidAndSessionId)) {
-                return false;
-            }
-            FullJidAndSessionId otherFullJidAndSessionId = (FullJidAndSessionId) other;
-            return fullJid.equals(otherFullJidAndSessionId.fullJid)
-                            && sessionId.equals(otherFullJidAndSessionId.sessionId);
-        }
-    }
 }

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/JingleSession.java

@@ -16,28 +16,59 @@
  */
 package org.jivesoftware.smackx.jingle;
 
-import org.jxmpp.jid.Jid;
+import org.jxmpp.jid.FullJid;
 
-// TODO: Is this class still required? If not, then remove it.
 public class JingleSession {
 
-    private final Jid initiator;
+    protected final FullJid local;
 
-    private final Jid responder;
+    protected final FullJid remote;
 
-    private final String sid;
+    protected final Role role;
 
-    public JingleSession(Jid initiator, Jid responder, String sid) {
+    protected final String sid;
-        this.initiator = initiator;
+
-        this.responder = responder;
+    public JingleSession(FullJid initiator, FullJid responder, Role role, String sid) {
+        if (role == Role.initiator) {
+            this.local = initiator;
+            this.remote = responder;
+        } else {
+            this.local = responder;
+            this.remote = initiator;
+        }
         this.sid = sid;
+        this.role = role;
+    }
+
+    public FullJid getInitiator() {
+        return isInitiator() ? local : remote;
+    }
+
+    public boolean isInitiator() {
+        return role == Role.initiator;
+    }
+
+    public FullJid getResponder() {
+        return isResponder() ? local : remote;
+    }
+
+    public boolean isResponder() {
+        return role == Role.responder;
+    }
+
+    public String getSessionId() {
+        return sid;
+    }
+
+    public FullJidAndSessionId getFullJidAndSessionId() {
+        return new FullJidAndSessionId(remote, sid);
     }
 
     @Override
     public int hashCode() {
-        int hashCode = 31 + initiator.hashCode();
+        int hashCode = 31 + getInitiator().hashCode();
-        hashCode = 31 * hashCode + responder.hashCode();
+        hashCode = 31 * hashCode + getResponder().hashCode();
-        hashCode = 31 * hashCode + sid.hashCode();
+        hashCode = 31 * hashCode + getSessionId().hashCode();
         return hashCode;
     }
 
@@ -48,7 +79,8 @@ public class JingleSession {
         }
 
         JingleSession otherJingleSession = (JingleSession) other;
-        return initiator.equals(otherJingleSession.initiator) && responder.equals(otherJingleSession.responder)
+        return getInitiator().equals(otherJingleSession.getInitiator())
+                && getResponder().equals(otherJingleSession.getResponder())
                 && sid.equals(otherJingleSession.sid);
     }
 }

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/JingleUtil.java

@@ -345,7 +345,6 @@ public class JingleUtil {
         XMPPError.Builder error = XMPPError.getBuilder();
         error.setCondition(XMPPError.Condition.feature_not_implemented)
                 .addExtension(JingleError.UNSUPPORTED_INFO);
-
         return IQ.createErrorResponse(request, error);
     }
 
@@ -354,7 +353,6 @@ public class JingleUtil {
         connection.sendStanza(createErrorUnsupportedInfo(request));
     }
 
-
     public IQ createErrorTieBreak(Jingle request) {
         XMPPError.Builder error = XMPPError.getBuilder();
         error.setCondition(XMPPError.Condition.conflict)

smack-extensions/src/test/java/org/jivesoftware/smackx/jingle/JingleSessionTest.java

@@ -23,7 +23,7 @@ import org.jivesoftware.smack.test.util.SmackTestSuite;
 import org.jivesoftware.smack.util.StringUtils;
 
 import org.junit.Test;
-import org.jxmpp.jid.Jid;
+import org.jxmpp.jid.FullJid;
 import org.jxmpp.jid.impl.JidCreate;
 import org.jxmpp.stringprep.XmppStringprepException;
 
@@ -34,18 +34,20 @@ public class JingleSessionTest extends SmackTestSuite {
 
     @Test
     public void sessionTest() throws XmppStringprepException {
-        Jid romeo = JidCreate.from("romeo@montague.lit");
+        FullJid romeo = JidCreate.fullFrom("romeo@montague.lit/r");
-        Jid juliet = JidCreate.from("juliet@capulet.lit");
+        FullJid juliet = JidCreate.fullFrom("juliet@capulet.lit/j");
         String sid = StringUtils.randomString(24);
 
-        JingleSession s1 = new JingleSession(romeo, juliet, sid);
+        JingleSession s1 = new JingleSession(romeo, juliet, Role.initiator, sid);
-        JingleSession s2 = new JingleSession(juliet, romeo, sid);
+        JingleSession s2 = new JingleSession(juliet, romeo, Role.responder, sid);
-        JingleSession s3 = new JingleSession(romeo, juliet, StringUtils.randomString(23));
+        JingleSession s3 = new JingleSession(romeo, juliet, Role.responder, StringUtils.randomString(23));
-        JingleSession s4 = new JingleSession(juliet, romeo, sid);
+        JingleSession s4 = new JingleSession(juliet, romeo, Role.responder, sid);
+        JingleSession s5 = new JingleSession(juliet, romeo, Role.initiator, sid);
 
         assertNotSame(s1, s2);
         assertNotSame(s1, s3);
         assertNotSame(s2, s3);
+        assertNotSame(s4, s5);
         assertEquals(s2, s4);
         assertEquals(s2.hashCode(), s4.hashCode());
     }