/*
* Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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.wso2.carbon.bpmn.ui.fileupload;
import org.wso2.carbon.CarbonConstants;
import org.wso2.carbon.CarbonException;
import org.wso2.carbon.ui.CarbonUIMessage;
import org.wso2.carbon.ui.transports.fileupload.AbstractFileUploadExecutor;
import org.wso2.carbon.utils.CarbonUtils;
import org.wso2.carbon.utils.FileItemData;
import org.wso2.carbon.utils.ServerConstants;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Map;
public class BPMNUploadExecutor extends AbstractFileUploadExecutor {
private static final String[] ALLOWED_FILE_EXTENSIONS =
new String[]{".bar"};
@Override
public boolean execute(HttpServletRequest request, HttpServletResponse response) throws CarbonException, IOException {
String errMsg;
response.setContentType("text/html; charset=utf-8");
PrintWriter out = response.getWriter();
String webContext = (String) request.getAttribute(CarbonConstants.WEB_CONTEXT);
String serverURL = (String) request.getAttribute(CarbonConstants.SERVER_URL);
String cookie = (String) request.getAttribute(ServerConstants.ADMIN_SERVICE_COOKIE);
Map<String, ArrayList<FileItemData>> fileItemsMap = getFileItemsMap();
if (fileItemsMap == null || fileItemsMap.isEmpty()) {
String msg = "File uploading failed.";
log.error(msg);
out.write("<textarea>" +
"(function(){i18n.fileUplodedFailed();})();" +
"</textarea>");
return true;
}
BPMNUploaderClient uploaderClient = new BPMNUploaderClient(configurationContext,
serverURL + "BPMNUploaderService", cookie);
File uploadedTempFile;
try {
for (FileItemData fileData : fileItemsMap.get("bpmnFileName")) {
String fileName = getFileName(fileData.getFileItem().getName());
//Check filename for \ charactors. This cannot be handled at the lower stages.
if (fileName.matches("(.*[\\\\].*[/].*|.*[/].*[\\\\].*)")) {
log.error("BPMN Package Validation Failure: one or more of the following illegal characters are in " +
"the package.\n ~!@#$;%^*()+={}[]| \\<>");
throw new Exception("BPMN Package Validation Failure: one or more of the following illegal characters " +
"are in the package. ~!@#$;%^*()+={}[]| \\<>");
}
//Check file extension.
checkServiceFileExtensionValidity(fileName, ALLOWED_FILE_EXTENSIONS);
if (fileName.lastIndexOf('\\') != -1) {
int indexOfColon = fileName.lastIndexOf('\\') + 1;
fileName = fileName.substring(indexOfColon, fileName.length());
}
if (fileData.getFileItem().getFieldName().equals("bpmnFileName")) {
uploadedTempFile = new File(CarbonUtils.getTmpDir(), fileName);
fileData.getFileItem().write(uploadedTempFile);
DataSource dataSource = new FileDataSource(uploadedTempFile);
uploaderClient.addUploadedFileItem(new DataHandler(dataSource), fileName, "bar");
}
}
uploaderClient.uploadFileItems();
String msg = "Your BPMN package has been uploaded successfully. Please refresh this page in a" +
" while to see the status of the new process.";
CarbonUIMessage.sendCarbonUIMessage(msg, CarbonUIMessage.INFO, request,
response, getContextRoot(request) + "/" + webContext + "/bpmn/process_list_view.jsp");
return true;
} catch (Exception e) {
errMsg = "File upload failed :" + e.getMessage();
log.error(errMsg, e);
CarbonUIMessage.sendCarbonUIMessage(errMsg, CarbonUIMessage.ERROR, request,
response, getContextRoot(request) + "/" + webContext + "/bpmn/process_list_view.jsp");
}
return false;
}
}