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package com.soft4j.httpupload4j; import java.io.*; import java.net.URLEncoder; import java.sql.ResultSet; import java.sql.SQLException; import java.util.Vector; import javax.servlet.*; import javax.servlet.http.*; import javax.servlet.jsp.JspWriter; import javax.servlet.jsp.PageContext; public class SmartUpload { protected byte m_binArray[]; //HttpServletRequest对象。 protected HttpServletRequest m_request; //HttpServletResponse对象。 protected HttpServletResponse m_response; //servlet上下文。 protected ServletContext m_application; private int m_totalBytes; private int m_currentIndex; private int m_startData; private int m_endData; private String m_boundary; private long m_totalMaxFileSize; private long m_maxFileSize; private Vector m_deniedFilesList; private Vector m_allowedFilesList; private boolean m_denyPhysicalPath; private boolean m_forcePhysicalPath; private String m_contentDisposition; public static final int SAVE_AUTO = 0; public static final int SAVE_VIRTUAL = 1; public static final int SAVE_PHYSICAL = 2; private Files m_files; private Request m_formRequest; /** * 目的:解决上传中文文件名的文件名乱码问题。 */ private String chartSet; public SmartUpload() { m_totalBytes = 0; m_currentIndex = 0; m_startData = 0; m_endData = 0; m_boundary = new String(); m_totalMaxFileSize = 0L; m_maxFileSize = 0L; m_deniedFilesList = new Vector(); m_allowedFilesList = new Vector(); m_denyPhysicalPath = false; m_forcePhysicalPath = false; m_contentDisposition = new String(); m_files = new Files(); m_formRequest = new Request(); } public final void init(ServletConfig config) throws ServletException { //初始化上下文。 m_application = config.getServletContext(); } public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { //HttpServletRequest对象。 m_request = request; //HttpServletResponse对象。 m_response = response; } //初始化系统参数。 public final void initialize(ServletConfig config, HttpServletRequest request, HttpServletResponse response) throws ServletException { //初始化上下文。 m_application = config.getServletContext(); //HttpServletRequest对象。 m_request = request; //HttpServletResponse对象。 m_response = response; setChartSet(m_response.getCharacterEncoding()); } //初始化系统参数。 public final void initialize(PageContext pageContext) throws ServletException { //初始化上下文。 m_application = pageContext.getServletContext(); //HttpServletRequest对象。 m_request = (HttpServletRequest)pageContext.getRequest(); //HttpServletResponse对象。 m_response = (HttpServletResponse)pageContext.getResponse(); //设置编码UTF-8。 setChartSet(m_response.getCharacterEncoding()); } //初始化系统参数。 public final void initialize(ServletContext application, HttpSession session, HttpServletRequest request, HttpServletResponse response, JspWriter out) throws ServletException { //初始化上下文。 m_application = application; //HttpServletRequest对象。 m_request = request; //HttpServletResponse对象。 m_response = response; setChartSet(m_response.getCharacterEncoding()); } public void upload() throws SmartUploadException, IOException, ServletException { int totalRead = 0; int readBytes = 0; long totalFileSize = 0L; boolean found = false; String dataHeader = new String(); String fieldName = new String(); String fileName = new String(); String fileExt = new String(); String filePathName = new String(); String contentType = new String(); String contentDisp = new String(); String typeMIME = new String(); String subTypeMIME = new String(); boolean isFile = false; m_totalBytes = m_request.getContentLength();//10733 m_binArray = new byte[m_totalBytes]; for(; totalRead < m_totalBytes; totalRead += readBytes) try { m_request.getInputStream(); readBytes = m_request.getInputStream().read(m_binArray, totalRead, m_totalBytes - totalRead); } catch(Exception e) { throw new SmartUploadException("Unable to upload."); } for(; !found && m_currentIndex < m_totalBytes; m_currentIndex++) if(m_binArray[m_currentIndex] == 13) found = true; else m_boundary = m_boundary + (char)m_binArray[m_currentIndex]; if(m_currentIndex == 1) return; m_currentIndex++; do { if(m_currentIndex >= m_totalBytes) break; dataHeader = getDataHeader(); m_currentIndex = m_currentIndex + 2; isFile = dataHeader.indexOf("filename") > 0; fieldName = getDataFieldValue(dataHeader, "name"); if(isFile) { filePathName = getDataFieldValue(dataHeader, "filename"); fileName = getFileName(filePathName); fileExt = getFileExt(fileName); contentType = getContentType(dataHeader); contentDisp = getContentDisp(dataHeader); typeMIME = getTypeMIME(contentType); subTypeMIME = getSubTypeMIME(contentType); } getDataSection(); if(isFile && fileName.length() > 0) { if(m_deniedFilesList.contains(fileExt)) throw new SecurityException("The extension of the file is denied to be uploaded (1015)."); if(!m_allowedFilesList.isEmpty() && !m_allowedFilesList.contains(fileExt)) throw new SecurityException("The extension of the file is not allowed to be uploaded (1010)."); if(m_maxFileSize > (long)0 && (long)((m_endData - m_startData) + 1) > m_maxFileSize) throw new SecurityException(String.valueOf((new StringBuffer("Size exceeded for this file : ")).append(fileName).append(" (1105)."))); totalFileSize += (m_endData - m_startData) + 1; if(m_totalMaxFileSize > (long)0 && totalFileSize > m_totalMaxFileSize) throw new SecurityException("Total File Size exceeded (1110)."); } if(isFile) { com.soft4j.httpupload4j.File newFile = new com.soft4j.httpupload4j.File(); newFile.setParent(this); newFile.setFieldName(fieldName); newFile.setFileName(fileName); newFile.setFileExt(fileExt); newFile.setFilePathName(filePathName); newFile.setIsMissing(filePathName.length() == 0); newFile.setContentType(contentType); newFile.setContentDisp(contentDisp); newFile.setTypeMIME(typeMIME); newFile.setSubTypeMIME(subTypeMIME); if(contentType.indexOf("application/x-macbinary") > 0) m_startData = m_startData + 128; newFile.setSize((m_endData - m_startData) + 1); newFile.setStartData(m_startData);