/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2014 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.operations.daemon.handlers;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.io.IOUtils;
import org.syncany.config.LocalEventBus;
import org.syncany.operations.daemon.WebServer;
import org.syncany.operations.daemon.messages.BadRequestResponse;
import org.syncany.operations.daemon.messages.api.MessageFactory;
import org.syncany.operations.daemon.messages.api.Request;
/**
* InteralRestHandler handles the REST requests sent to the daemon.
*
* @author Philipp C. Heckel <philipp.heckel@gmail.com>
*/
public class InternalRestHandler implements HttpHandler {
private static final Logger logger = Logger.getLogger(InternalRestHandler.class.getSimpleName());
private WebServer daemonWebServer;
private LocalEventBus eventBus;
public InternalRestHandler(WebServer daemonWebServer) {
this.daemonWebServer = daemonWebServer;
this.eventBus = LocalEventBus.getInstance();
}
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
handleRestRequest(exchange);
}
private void handleRestRequest(HttpServerExchange exchange) throws IOException {
logger.log(Level.INFO, "HTTP request received:" + exchange.getRelativePath());
exchange.startBlocking();
if (exchange.getRelativePath().startsWith("/file/")) {
String tempFileToken = exchange.getRelativePath().substring("/file/".length());
File tempFile = daemonWebServer.getFileTokenTempFileFromCache(tempFileToken);
if (tempFile != null) {
logger.log(Level.INFO, "- Temp file: " + tempFileToken);
IOUtils.copy(new FileInputStream(tempFile), exchange.getOutputStream());
exchange.endExchange();
}
else {
logger.log(Level.WARNING, "Invalid request received; Cannot find file token " + tempFileToken);
eventBus.post(new BadRequestResponse(-1, "Invalid request."));
}
}
else {
String message = IOUtils.toString(exchange.getInputStream()); // TODO [high] Read entire file to memory. Dangerous!
logger.log(Level.INFO, "REST message received: " + message);
try {
Request request = MessageFactory.toRequest(message);
daemonWebServer.putCacheRestRequest(request.getId(), exchange);
eventBus.post(request);
}
catch (Exception e) {
logger.log(Level.WARNING, "Invalid request received; cannot serialize to Request.", e);
eventBus.post(new BadRequestResponse(-1, "Invalid request."));
}
}
}
}