WooYun.org

<%@ page import="java.util.HashMap" %>
<%@ page import="java.util.Map"%>
<%@ page import="java.io.*"%>
<%
        Map typeMap = new HashMap();
        //以后有扩展，可以在fileExt和mimeType里，对应的加上扩展名和mimetype
        String fileExt = "abs,ai,aif,aifc,aiff,aim,art,asf,asx,au,avi,avx,bcpio,bin,bmp,body,cdf,cer,class,cpio,csh,css,dib,doc,dtd,dv,dvi,eps,etx,exe,"+
             "gif,gtar,gz,hdf,htc,htm,html,hqx,ico,ief,jad,jar,java,jnlp,jpe,jpeg,jpg,js,jsf,jspf,kar,latex,m3u,mac,man,mathml,me,mid,midi,mif,mov,"+
             "movie,mp1,mp2,mp3,mpa,mpe,mpeg,mpega,mpg,mpv2,ms,nc,oda,odb,odc,odf,odg,odi,odm,odp,ods,odt,ogg,otg,oth,otp,ots,ott,pbm,pct,pdf,pgm,pic,"+
             "pict,pls,png,pnm,pnt,ppm,pps,ppt,ps,psd,qt,qti,qtif,ras,rdf,rgb,rm,roff,rtf,rtx,sh,shar,smf,sit,snd,src,sv4cpio,sv4crc,svg,svgz,swf,t,"+
             "tar,tcl,tex,texi,texinfo,tif,tiff,tr,tsv,txt,ulw,ustar,vrml,vsd,vxml,wav,wbmp,wml,wmlc,wmls,wmlscriptc,wrl,xbm,xht,xhtml,xls,xml,xpm,"+
             "xsl,xslt,xul,xwd,z,zip,rar,mht";
        String mimeType = "audio/x-mpeg,application/postscript,audio/x-aiff,audio/x-aiff,audio/x-aiff,application/x-aim,image/x-jg,video/x-ms-asf,video/x-ms-asf,"+
             "audio/basic,video/x-msvideo,video/x-rad-screenplay,application/x-bcpio,application/octet-stream,image/bmp,text/html,application/x-netcdf,application/x-x509-ca-cert,"+
             "application/java,application/x-cpio,application/x-csh,text/css,image/bmp,application/msword,application/xml-dtd,video/x-dv,application/x-dvi,"+
             "application/postscript,text/x-setext,application/octet-stream,image/gif,application/x-gtar,application/x-gzip,application/x-hdf,text/x-component,"+
             "text/html,text/html,application/mac-binhex40,image/x-icon,image/ief,text/vnd.sun.j2me.app-descriptor,application/java-archive,text/plain,"+
             "application/x-java-jnlp-file,image/jpeg,image/jpeg,image/jpeg,text/javascript,text/plain,text/plain,audio/midi,application/x-latex,audio/x-mpegurl,"+
             "image/x-macpaint,application/x-troff-man,application/mathml+xml,application/x-troff-me,audio/midi,audio/midi,application/vnd.mif,video/quicktime,"+
             "video/x-sgi-movie,audio/x-mpeg,audio/mpeg,audio/mpeg,audio/x-mpeg,video/mpeg,video/mpeg,audio/x-mpeg,video/mpeg,video/mpeg2,application/x-troff-ms,"+
             "application/x-netcdf,application/oda,application/vnd.oasis.opendocument.database,application/vnd.oasis.opendocument.chart,application/vnd.oasis.opendocument.formula,"+
             "application/vnd.oasis.opendocument.graphics,application/vnd.oasis.opendocument.image,application/vnd.oasis.opendocument.text-master,application/vnd.oasis.opendocument.presentation,"+
             "application/vnd.oasis.opendocument.spreadsheet,application/vnd.oasis.opendocument.text,application/ogg,application/vnd.oasis.opendocument.graphics-template,"+
             "application/vnd.oasis.opendocument.text-web,application/vnd.oasis.opendocument.presentation-template,application/vnd.oasis.opendocument.spreadsheet-template,"+
             "application/vnd.oasis.opendocument.text-template,image/x-portable-bitmap,image/pict,application/pdf,image/x-portable-graymap,image/pict,"+
             "image/pict,audio/x-scpls,image/png,image/x-portable-anymap,image/x-macpaint,image/x-portable-pixmap,application/vnd.ms-powerpoint,application/vnd.ms-powerpoint,"+
             "application/postscript,image/x-photoshop,video/quicktime,image/x-quicktime,image/x-quicktime,image/x-cmu-raster,application/rdf+xml,image/x-rgb,"+
             "application/vnd.rn-realmedia,application/x-troff,text/rtf,text/richtext,application/x-sh,application/x-shar,audio/x-midi,application/x-stuffit,"+
             "audio/basic,application/x-wais-source,application/x-sv4cpio,application/x-sv4crc,image/svg+xml,image/svg+xml,application/x-shockwave-flash,"+
             "application/x-troff,application/x-tar,application/x-tcl,application/x-tex,application/x-texinfo,application/x-texinfo,image/tiff,image/tiff,"+
             "application/x-troff,text/tab-separated-values,text/plain,audio/basic,application/x-ustar,model/vrml,application/x-visio,application/voicexml+xml,"+
             "audio/x-wav,image/vnd.wap.wbmp,text/vnd.wap.wml,application/vnd.wap.wmlc,text/vnd.wap.wmlscript,application/vnd.wap.wmlscriptc,model/vrml,"+
             "image/x-xbitmap,application/xhtml+xml,application/xhtml+xml,application/vnd.ms-excel,application/xml,image/x-xpixmap,application/xml,"+
             "application/xslt+xml,application/vnd.mozilla.xul+xml,image/x-xwindowdump,application/x-compress,application/zip,application/rar,text/x-mht";
        String []fileExts = fileExt.split(",");
        String []mimeTypes = mimeType.split(",");
        int len = fileExts.length;
        for(int i=0;i<len;i++){
           typeMap.put(fileExts[i],mimeTypes[i]);
        }
        //取得文件名和扩展名
        String file = request.getParameter("file");
        //file = file.replace("/","\\");
        String filename = file.substring(file.lastIndexOf("/")+1);
        String extname = filename.substring(filename.lastIndexOf(".")+1).trim().toLowerCase();
        //获得文件的扩展名
		response.setContentType((String)typeMap.get(extname));
		response.setHeader("Content-Disposition","attachment;filename="+filename); 
		//读入文件内容，生成新的文件
		FileInputStream in = new FileInputStream(file);
        byte[] buf = new byte[4096];
        ServletOutputStream output = response.getOutputStream();
        int length;
        while ( (in != null) && ( (length = in.read(buf)) != -1)) {
            output.write(buf, 0, buf.length);
        }
        in.close();
        output.flush();
        output.close();
%>