| package org.apache.myfaces.tobago.internal.webapp; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| import org.apache.commons.fileupload.FileItem; |
| import org.apache.commons.fileupload.FileUploadException; |
| import org.apache.commons.fileupload.disk.DiskFileItemFactory; |
| import org.apache.commons.fileupload.servlet.ServletFileUpload; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.myfaces.tobago.internal.component.AbstractUIPage; |
| |
| import javax.faces.FacesException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletRequestWrapper; |
| import java.io.File; |
| import java.io.UnsupportedEncodingException; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Enumeration; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| public class TobagoMultipartFormdataRequest extends HttpServletRequestWrapper { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TobagoMultipartFormdataRequest.class); |
| |
| public static final long ONE_KB = 1024; |
| public static final long ONE_MB = ONE_KB * ONE_KB; |
| public static final long ONE_GB = ONE_KB * ONE_MB; |
| |
| private Map<String, String[]> parameters; |
| |
| private Map<String, FileItem> fileItems; |
| |
| public TobagoMultipartFormdataRequest(HttpServletRequest request) { |
| this(request, System.getProperty("java.io.tmpdir"), ONE_MB); |
| } |
| |
| public TobagoMultipartFormdataRequest(HttpServletRequest request, String repositoryPath, long maxSize) { |
| super(request); |
| init(request, repositoryPath, maxSize); |
| } |
| |
| private void init(HttpServletRequest request, String repositoryPath, long maxSize) { |
| if (!ServletFileUpload.isMultipartContent(request)) { |
| String errorText = "contentType is not multipart/form-data but '" + request.getContentType() + "'"; |
| LOG.error(errorText); |
| throw new FacesException(errorText); |
| } else { |
| parameters = new HashMap<String, String[]>(); |
| fileItems = new HashMap<String, FileItem>(); |
| DiskFileItemFactory factory = new DiskFileItemFactory(); |
| |
| factory.setRepository(new File(repositoryPath)); |
| |
| ServletFileUpload upload = new ServletFileUpload(factory); |
| |
| upload.setSizeMax(maxSize); |
| |
| if (upload.getHeaderEncoding() != null) { |
| // TODO: enable configuration of 'accept-charset' |
| upload.setHeaderEncoding(AbstractUIPage.FORM_ACCEPT_CHARSET); |
| } |
| List<FileItem> itemList; |
| try { |
| itemList = (List<FileItem>) upload.parseRequest(request); |
| } catch (FileUploadException e) { |
| //LOG.error(e); |
| throw new FacesException(e); |
| } |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("parametercount = " + itemList.size() + " + " + request.getParameterMap().size()); |
| } |
| for (FileItem item : itemList) { |
| String key = item.getFieldName(); |
| if (LOG.isDebugEnabled()) { |
| String value = item.getString(); |
| if (value.length() > 100) { |
| value = value.substring(0, 100) + " [...]"; |
| } |
| LOG.debug("Parameter: '" + key + "'='" + value + "' isFormField=" + item.isFormField() |
| + " contentType='" + item.getContentType() + "'"); |
| } |
| if (item.isFormField()) { |
| String newValue; |
| try { |
| // TODO: enable configuration of 'accept-charset' |
| newValue = item.getString(AbstractUIPage.FORM_ACCEPT_CHARSET); |
| } catch (UnsupportedEncodingException e) { |
| LOG.error("Caught: " + e.getMessage(), e); |
| newValue = item.getString(); |
| } |
| |
| addParameter(key, newValue); |
| } else { |
| fileItems.put(key, item); |
| } |
| } |
| |
| // merging the GET parameters: |
| Enumeration e = request.getParameterNames(); |
| while(e.hasMoreElements()) { |
| final String name = (String) e.nextElement(); |
| final String[] newValues = request.getParameterValues(name); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Parameter: '" + name + "'='" + Arrays.toString(newValues) + "' (GET)"); |
| } |
| for (String newValue : newValues) { |
| addParameter(name, newValue); |
| } |
| } |
| } |
| } |
| |
| private void addParameter(String key, String newValue) { |
| final String[] inStock = parameters.get(key); |
| final String[] values; |
| if (inStock == null) { |
| values = new String[]{newValue}; |
| } else { |
| values = new String[inStock.length + 1]; |
| System.arraycopy(inStock, 0, values, 0, inStock.length); |
| values[inStock.length] = newValue; |
| } |
| parameters.put(key, values); |
| } |
| |
| public FileItem getFileItem(String key) { |
| if (fileItems != null) { |
| return fileItems.get(key); |
| } |
| return null; |
| } |
| |
| public String getParameter(String key) { |
| String parameter = null; |
| String[] values = (String[]) parameters.get(key); |
| if (values != null) { |
| parameter = values[0]; |
| } |
| return parameter; |
| } |
| |
| public Enumeration getParameterNames() { |
| return Collections.enumeration(parameters.keySet()); |
| } |
| |
| public String[] getParameterValues(String key) { |
| return (String[]) parameters.get(key); |
| } |
| |
| public Map getParameterMap() { |
| return parameters; |
| } |
| |
| public static long getMaxSize(String param) { |
| if (param != null) { |
| String number = param.toLowerCase(Locale.ENGLISH); |
| long factor = 1; |
| if (number.endsWith("g")) { |
| factor = ONE_GB; |
| number = number.substring(0, number.length() - 1); |
| } else if (number.endsWith("m")) { |
| factor = ONE_MB; |
| number = number.substring(0, number.length() - 1); |
| } else if (number.endsWith("k")) { |
| factor = ONE_KB; |
| number = number.substring(0, number.length() - 1); |
| } |
| try { |
| return Long.parseLong(number.trim()) * factor; |
| } catch (NumberFormatException e) { |
| LOG.error("Given max file size for " |
| + TobagoMultipartFormdataRequest.class.getName() + " " + param + " couldn't parsed to a number"); |
| } |
| } |
| return ONE_MB; |
| } |
| } |