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package com.juick.components;
import com.juick.components.url.JuickURLStreamHandlerFactory;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.env.Environment;
import rocks.xmpp.addr.Jid;
import rocks.xmpp.core.XmppException;
import rocks.xmpp.core.stanza.model.Message;
import rocks.xmpp.extensions.component.accept.ExternalComponent;
import rocks.xmpp.extensions.filetransfer.FileTransfer;
import rocks.xmpp.extensions.filetransfer.FileTransferManager;
import rocks.xmpp.extensions.oob.model.x.OobX;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.*;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
/**
* Created by vitalyster on 11.11.2016.
*/
public class XMPPFTServer {
private static final Logger logger = LoggerFactory.getLogger(XMPPFTServer.class);
public XMPPFTServer(Environment env) {
try {
Class tomcathfc = Class.forName("org.apache.catalina.webresources.TomcatURLStreamHandlerFactory");
if (tomcathfc != null) {
try {
Method m = tomcathfc.getMethod("getInstance");
Object tomcathfo = m.invoke(null);
m = tomcathfo.getClass().getMethod("addUserFactory", URLStreamHandlerFactory.class);
m.invoke(tomcathfo, new JuickURLStreamHandlerFactory());
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
logger.error("init error", e);
}
}
} catch (ClassNotFoundException e) {
URL.setURLStreamHandlerFactory(new JuickURLStreamHandlerFactory());
}
ExternalComponent component = ExternalComponent.create(env.getProperty("component_name", "files"),
env.getProperty("component_password", "secret"), env.getProperty("component_host", "localhost"),
NumberUtils.toInt(env.getProperty("component_port", "5347"), 5347));
String tmpDir = env.getProperty("upload_tmp_dir", "/tmp");
String juickJid = env.getProperty("xmppbot_jid", "juick@juick.com/Juick");
FileTransferManager fileTransferManager = component.getManager(FileTransferManager.class);
fileTransferManager.addFileTransferOfferListener(e -> {
try {
List<String> allowedTypes = new ArrayList<String>() {{ add("png"); add("jpg"); }};
String attachmentExtension = FilenameUtils.getExtension(e.getName());
String targetFilename = String.format("%s.%s",
DigestUtils.md5Hex(String.format("%s-%s",
e.getInitiator().toString(), e.getSessionId()).getBytes()), attachmentExtension);
if (allowedTypes.contains(attachmentExtension)) {
Path filePath = Paths.get(tmpDir, targetFilename);
FileTransfer ft = e.accept(filePath).get();
ft.addFileTransferStatusListener(st -> {
logger.debug(String.format("%s: received %d of %d", e.getName(), st.getBytesTransferred(), e.getSize()));
if (ft.isDone()) {
logger.info("transfer completed");
Message msg = new Message();
msg.setType(Message.Type.CHAT);
msg.setFrom(e.getInitiator());
msg.setTo(Jid.of(juickJid));
msg.setBody(e.getDescription());
try {
String attachmentUrl = String.format("juick://%s", targetFilename);
msg.addExtension(new OobX(new URI(attachmentUrl).toURL(), "!!!!Juick!!"));
component.sendMessage(msg);
} catch (MalformedURLException | URISyntaxException e1) {
logger.warn("attachment error", e1);
}
}
});
ft.transfer();
logger.info("transfer started");
} else {
e.reject();
logger.info("transfer rejected");
}
} catch (IOException | InterruptedException | ExecutionException e1) {
logger.error("ft error", e1);
}
});
try {
component.connect();
} catch (XmppException e) {
logger.error("ft initialization error", e);
}
}
}
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