smartupload.java

用于JSP1.0 开发的一个类似于动网的BBS论坛。 数据库是DB2＋JSP＋javaBean

// Decompiled by Jad v1.5.7f. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   SmartUpload.java

package com.jspsmart.upload;

import java.io.File;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Hashtable;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Referenced classes of package com.jspsmart.upload:
//            Files, Request, File, SmartUploadException

public class SmartUpload
{

    public final void initialize(ServletConfig config)
        throws ServletException
    {
        this.config = config;
    }

    protected final ServletConfig getServletConfig()
    {
        return config;
    }

    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 Hashtable();
        m_allowedFilesList = new Hashtable();
        m_denyPhysicalPath = false;
        m_contentDisposition = new String();
        m_files = new Files();
        m_formRequest = new Request();
    }

    public void service(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException
    {
        m_request = request;
        m_response = response;
    }

    public void upload()
        throws 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();
        m_binArray = new byte[m_totalBytes];
        for(; totalRead < m_totalBytes; totalRead += readBytes)
            try
            {
                readBytes = m_request.getInputStream().read(m_binArray, totalRead, m_totalBytes - totalRead);
            }
            catch(Exception exception) { }

        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 && filePathName != null && fileExt != null)
            {
                if(m_deniedFilesList.containsValue(fileExt))
                    throw new SecurityException("The extension of the file is denied to be uploaded (1015).");
                if(!m_allowedFilesList.isEmpty() && !m_allowedFilesList.containsValue(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.jspsmart.upload.File newFile = new com.jspsmart.upload.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);
                newFile.setEndData(m_endData);
                m_files.addFile(newFile);
            } else
            {
                String value = new String(m_binArray, m_startData, (m_endData - m_startData) + 1);
                m_formRequest.putParameter(fieldName, value);
            }
            if((char)m_binArray[m_currentIndex + 1] == '-')
                break;
            m_currentIndex = m_currentIndex + 2;
        } while(true);
    }

    public int save(String destPathName)
        throws SmartUploadException, IOException, ServletException
    {
        int count = 0;
        if(destPathName == null)
            destPathName = config.getServletContext().getRealPath("/");
        if(destPathName.indexOf("/") != -1)
        {
            if(destPathName.charAt(destPathName.length() - 1) != '/')
                destPathName = String.valueOf(destPathName).concat("/");
        } else
        if(destPathName.charAt(destPathName.length() - 1) != '\\')
            destPathName = String.valueOf(destPathName).concat("\\");
        for(int i = 0; i < m_files.getCount(); i++)
            if(!m_files.getFile(i).isMissing())
            {
                m_files.getFile(i).saveAs(destPathName + m_files.getFile(i).getFileName());
                count++;
            }

        return count;
    }

    public int getSize()
    {
        return m_totalBytes;
    }

    public byte getBinaryData(int index)
    {
        byte retval;
        try
        {
            retval = m_binArray[index];
        }
        catch(Exception e)
        {
            throw new ArrayIndexOutOfBoundsException("Index out of range (1005).");
        }
        return retval;
    }

    public Files getFiles()
    {
        return m_files;
    }

    public Request getRequest()
    {
        return m_formRequest;
    }

    public void downloadFile(String sourceFilePathName)
        throws IOException, ServletException
    {
        downloadFile(sourceFilePathName, null, null);
    }

    public void downloadFile(String sourceFilePathName, String contentType, String destFileName)
        throws IOException, ServletException
    {
        downloadFile(sourceFilePathName, contentType, destFileName, 65000);
    }

    public void downloadFile(String sourceFilePathName, String contentType, String destFileName, int blockSize)
        throws IOException, ServletException
    {
        if(sourceFilePathName == null)
            throw new IllegalArgumentException(String.valueOf((new StringBuffer("File '")).append(sourceFilePathName).append("' not found (1040).")));
        if(config.getServletContext().getRealPath(sourceFilePathName) != null)
            sourceFilePathName = config.getServletContext().getRealPath(sourceFilePathName);
        File file = new File(sourceFilePathName);
        FileInputStream fileIn = new FileInputStream(file);
        long fileLen = file.length();
        int readBytes = 0;
        int totalRead = 0;
        byte b[] = new byte[blockSize];
        if(contentType == null)
            m_response.setContentType("application/x-msdownload");
        else
        if(contentType.length() == 0)
            m_response.setContentType("application/x-msdownload");
        else
            m_response.setContentType(contentType);
        m_response.setContentLength((int)fileLen);
        if(destFileName == null)
            m_response.addHeader("Content-Disposition", "attachment; filename=".concat(String.valueOf(getFileName(sourceFilePathName))));
        else
        if(destFileName.length() == 0)
            m_response.addHeader("Content-Disposition", "attachment;");
        else
            m_response.addHeader("Content-Disposition", "attachment; filename=".concat(String.valueOf(destFileName)));
        while((long)totalRead < fileLen) 
        {
            readBytes = fileIn.read(b, 0, blockSize);
            totalRead += readBytes;
            m_response.getOutputStream().write(b, 0, readBytes);
        }
        fileIn.close();
    }

    public void downloadField(ResultSet rs, String columnName, String contentType, String destFileName)
        throws SQLException, IOException, ServletException
    {
        if(rs == null)
            throw new IllegalArgumentException("The RecordSet cannot be null (1045).");
        if(columnName == null)
            throw new IllegalArgumentException("The columnName cannot be null (1050).");
        if(columnName.length() == 0)
            throw new IllegalArgumentException("The columnName cannot be empty (1055).");
        byte b[] = rs.getBytes(columnName);
        if(contentType == null)
            m_response.setContentType("application/x-msdownload");
        else
        if(contentType.length() == 0)
            m_response.setContentType("application/x-msdownload");
        else
            m_response.setContentType(contentType);
        m_response.setContentLength(b.length);
        if(destFileName == null)
            m_response.addHeader("Content-Disposition", "attachment;");
        else
        if(destFileName.length() == 0)
            m_response.addHeader("Content-Disposition", "attachment;");
        else
            m_response.addHeader("Content-Disposition", "attachment; filename=".concat(String.valueOf(destFileName)));
        m_response.getOutputStream().write(b, 0, b.length);
    }

   public void downloadFile(String s, String s1, String s2, int i)
	throws ServletException, IOException, SmartUploadException
    {
	if(s == null)
	    throw new IllegalArgumentException("File '" + s +
	    "' not found (1040).");
	if(s.equals(""))
	    throw new IllegalArgumentException("File '" + s +
	    "' not found (1040).");
	if(!isVirtual(s) && m_denyPhysicalPath)
	    throw new SecurityException("Physical path is denied (1035).");
	if(isVirtual(s))
	    s = m_application.getRealPath(s);
	java.io.File file = new java.io.File(s);
	FileInputStream fileinputstream = new FileInputStream(file);
	long l = file.length();
	boolean flag = false;
	int k = 0;
	byte abyte0[] = new byte[i];
	if(s1 == null)
	    m_response.setContentType("application/x-msdownload");
	else
	if(s1.length() == 0)
	    m_response.setContentType("application/x-msdownload");
	else
	    m_response.setContentType(s1);
	m_response.setContentLength((int)l);
	m_contentDisposition = m_contentDisposition != null ?
	m_contentDisposition : "attachment;";
	if(s2 == null)
	    m_response.setHeader("Content-Disposition", 
	    m_contentDisposition + " filename=" + 
	    toUtf8String(getFileName(s)));
	else
	if(s2.length() == 0)
	    m_response.setHeader("Content-Disposition", 
	    m_contentDisposition);
	else
	    m_response.setHeader("Content-Disposition", 
	    m_contentDisposition + " filename=" + toUtf8String(s2));
	while((long)k < l)
	{
	    int j = fileinputstream.read(abyte0, 0, i);
	    k += j;
	    m_response.getOutputStream().write(abyte0, 0, j);
	}
	  fileinputstream.close();
    }

public static String toUtf8String(String s) {
	StringBuffer sb = new StringBuffer();
	for (int i=0;i<s.length();i++) {
	    char c = s.charAt(i);
	    if (c >= 0 && c <= 255) {
		sb.append(c);
	    } else {
		byte[] b;
		try {
		    b = Character.toString(c).getBytes("utf-8");
		} catch (Exception ex) {
		    System.out.println(ex);
		    b = new byte[0];
		}
		for (int j = 0; j < b.length; j++) {
		    int k = b[j];
		    if (k < 0) k += 256;