/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.guvnor.common.services.backend.archive;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import javax.inject.Inject;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.guvnor.common.services.shared.file.upload.FileManagerFields;
import org.uberfire.server.BaseFilteredServlet;
public class ArchiveServlet
extends BaseFilteredServlet {
@Inject
private Archiver archiver;
protected void doGet( final HttpServletRequest request,
final HttpServletResponse response ) throws ServletException, IOException {
final String uri = request.getParameter( FileManagerFields.FORM_FIELD_PATH );
try {
if ( uri != null ) {
if ( !validateAccess( new URI( uri ), response ) ) {
return;
}
// Try to extract a meaningful name for the zip-file from the URI.
int index = uri.lastIndexOf( "@" ) + 1;
if ( index < 0 ) index = 0;
String downLoadFileName = uri.substring( index );
if ( downLoadFileName.startsWith( "/" ) ) downLoadFileName = downLoadFileName.substring( 1 );
if ( downLoadFileName.endsWith( "/" ) ) downLoadFileName = downLoadFileName.substring( 0, downLoadFileName.length() - 1 );
downLoadFileName.replaceAll( "/", "_" );
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
archiver.archive( outputStream, uri );
response.setContentType( "application/zip" );
response.setHeader( "Content-Disposition",
"attachment; filename=" + downLoadFileName + ".zip" );
response.setContentLength( outputStream.size() );
response.getOutputStream().write( outputStream.toByteArray() );
response.getOutputStream().flush();
} else {
response.sendError( HttpServletResponse.SC_BAD_REQUEST );
}
} catch ( URISyntaxException e ) {
response.sendError( HttpServletResponse.SC_BAD_REQUEST );
}
}
}