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Add some listeners and callbacks

This commit is contained in:
vanitasvitae 2017-06-01 13:43:17 +02:00
parent 9e1f777332
commit 1a16565697
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
9 changed files with 268 additions and 75 deletions

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@ -1,72 +0,0 @@
/**
*
* 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.hash.HashManager;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.DigestInputStream;
/**
* Dirty.
*/
public final class DirtyHelper {
public static BytesAndDigest readFile(File file, HashManager.ALGORITHM algorithm) throws IOException {
byte[] bytes = null;
byte[] digest = null;
int read;
FileInputStream fin = null;
try {
fin = new FileInputStream(file);
DigestInputStream din = new DigestInputStream(fin, HashManager.getMessageDigest(algorithm));
bytes = new byte[(int) file.length()];
read = din.read(bytes);
din.close();
digest = din.getMessageDigest().digest();
} finally {
if (fin != null) {
fin.close();
}
}
if (read == -1) {
return null;
}
return new BytesAndDigest(bytes, digest);
}
public static class BytesAndDigest {
private final byte[] bytes, digest;
public BytesAndDigest(byte[] bytes, byte[] digest) {
this.bytes = bytes;
this.digest = digest;
}
public byte[] getBytes() {
return bytes;
}
public byte[] getDigest() {
return digest;
}
}
}

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@ -0,0 +1,83 @@
/**
*
* 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.hash.HashManager;
import org.jivesoftware.smackx.hash.element.HashElement;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.DigestInputStream;
/**
* FileReader that reads a file into a byte array while returning the hash of the file.
*/
public final class FileAndHashReader {
/**
* Read a file into a byte array and calculate the hash sum of the bytes that were read on the fly.
* @param file file to read.
* @param destination byte array where the file is read into.
* @param algorithm algorithm used to calculate the hash.
* @return hashElement containing the hash sum of the read bytes.
* @throws IOException
*/
public static HashElement readAndCalculateHash(File file, final byte[] destination, HashManager.ALGORITHM algorithm) throws IOException {
return readAndCalculateHash(file, destination, 0, algorithm);
}
/**
* Read a file into a byte array and calculate the hash sum of the bytes that were read on the fly.
* @param file file to read.
* @param destination byte array where the file is read into.
* @param offset offset from the beginning of the file.
* @param algorithm algorithm used to calculate the hash.
* @return hashElement containing the hash sum of the read bytes.
* @throws IOException
*/
public static HashElement readAndCalculateHash(File file, final byte[] destination, int offset, HashManager.ALGORITHM algorithm) throws IOException {
byte[] hash;
int read;
FileInputStream fin = null;
DigestInputStream din = null;
try {
fin = new FileInputStream(file);
try {
din = new DigestInputStream(fin, HashManager.getMessageDigest(algorithm));
read = din.read(destination, offset, destination.length);
hash = din.getMessageDigest().digest();
}
finally {
if (din != null) {
din.close();
}
}
}
finally {
if (fin != null) {
fin.close();
}
}
if (read == -1) {
return null;
}
return HashManager.assembleHashElement(algorithm, hash);
}
}

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@ -25,6 +25,7 @@ import org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamManager;
import org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
import org.jivesoftware.smackx.hash.HashManager;
import org.jivesoftware.smackx.hash.element.HashElement;
import org.jivesoftware.smackx.jingle.JingleManager;
import org.jivesoftware.smackx.jingle.JingleSessionHandler;
import org.jivesoftware.smackx.jingle.element.Jingle;
@ -88,15 +89,22 @@ public final class JingleFileTransferManager extends Manager {
return manager;
}
public JingleFileTransferPayload createPayloadFromFile(File file) {
JingleFileTransferPayload.Builder payloadBuilder = JingleFileTransferPayload.getBuilder();
return payloadBuilder.build();
}
/**
* QnD method.
* @param file
*/
public void sendFile(File file, final FullJid recipient) throws IOException, SmackException.NotConnectedException, InterruptedException {
final DirtyHelper.BytesAndDigest bd = DirtyHelper.readFile(file, HashManager.ALGORITHM.SHA_256);
final byte[] bytes = new byte[(int) file.length()];
HashElement hashElement = FileAndHashReader.readAndCalculateHash(file, bytes, HashManager.ALGORITHM.SHA_256);
Date lastModified = new Date(file.lastModified());
JingleFileTransferPayload payload = new JingleFileTransferPayload(
lastModified, "A file", HashManager.assembleHashElement(HashManager.ALGORITHM.SHA_256, bd.getDigest()),
lastModified, "A file", hashElement,
"application/octet-stream", file.getName(), (int) file.length(), null);
ArrayList<JingleContentDescriptionPayloadType> payloadTypes = new ArrayList<>();
payloadTypes.add(payload);
@ -137,7 +145,7 @@ public final class JingleFileTransferManager extends Manager {
}
try {
session.getOutputStream().write(bd.getBytes());
session.getOutputStream().write(bytes);
} catch (IOException e) {
LOGGER.log(Level.SEVERE, "Fail while writing: " + e, e);
}

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@ -0,0 +1,51 @@
/**
*
* 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.jxmpp.jid.Jid;
/**
* Class that represents a jingle session in the context of Jingle File Transfer
*/
public class JingleFileTransferSession extends JingleSession {
public JingleFileTransferSession(Jid initiator, Jid responder, String sid) {
super(initiator, responder, sid);
}
/**
* A user might choose to abort all active transfers.
*/
public void abortAllActiveFileTransfers() {
}
/**
* A user might want to abort the transfer of a single file.
*/
public void abortSingleFileTransfer() {
}
/**
* Successfully end session after all files have been transferred.
*/
void endSession() {
}
}

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@ -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.callback;
/**
* Callback that allows the user to accept or cancel file transfers.
*/
public interface IncomingJingleFileTransferCallback {
void acceptFileTransfer();
void cancelFileTransfer();
}

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@ -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>.
* Callback classes.
*/
package org.jivesoftware.smackx.jingle_filetransfer.callback;

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@ -0,0 +1,24 @@
/**
*
* 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;
/**
* Listener for content-add actions.
*/
public interface IncomingFileTransferContentAddListener extends IncomingJingleFileTransferListener {
}

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@ -0,0 +1,28 @@
/**
*
* 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_filetransfer.callback.IncomingJingleFileTransferCallback;
import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayload;
/**
* Listener for incoming file transfers.
*/
public interface IncomingJingleFileTransferListener {
void onIncomingJingleFileTransfer(JingleFileTransferPayload file, IncomingJingleFileTransferCallback callback);
}

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@ -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>.
* Listener classes.
*/
package org.jivesoftware.smackx.jingle_filetransfer.listener;