<?php if (!defined(‘BASEPATH‘)) exit(‘No direct script access allowed‘);/* $download = new download(‘php,exe,html‘,false);$this->load->library(‘Download‘);if(!$this->download->->downloadfile($filename)){    echo $this->download->geterrormsg();}*/    class Download{  var $debug=true;  var $errormsg=‘‘;  var $Filter=array();  var $filename=‘‘;  var $_realname = ‘‘;  var $mineType=‘text/plain‘;  var $filetype =‘‘;  var $xlq_filetype=array();  protected $CI = NULL;     function __construct($fileFilter=‘‘,$isdebug=false)  {          $this->CI = &get_instance();        $this->setFilter($fileFilter);        $this->setdebug($isdebug);                $this->setfiletype();  }    function setFilter($fileFilter)  {    if(empty($fileFilter)) return ;        $this->Filter=explode(‘,‘,strtolower($fileFilter));  }  function setdebug($debug)  {    $this->debug=$debug;  }    function setfilename($filename,$_realname)  {    $this->filename = mb_convert_encoding(trim($filename),"Big5");    $this->_realname = empty($_realname) ? $this->filename : $_realname;  }    function downloadfile($filename,$_realname=‘‘,$schdule=false)  {        $this->setfilename($filename,$_realname);    if($this->filecheck($schdule))    {        //重新設置文件名稱 edited by zcs         $fn = !empty($_realname) ? $this->trim_special_str($_realname) : array_pop( explode( ‘/‘, strtr( $this->filename, ‘\\‘, ‘/‘ ) ) );                if(!empty($_realname) && strtolower(array_pop(explode(‘.‘,$fn))) !== $this->filetype){            $fn .= ‘.‘.$this->filetype;        }                $this->filename = str_replace(‘ ‘,‘%20‘, $this->filename);                header( "Content-type: text/plain; charset=utf-8");        header( "Pragma: public" );        header( "Expires: 0" ); // set expiration time        header( "Cache-Component: must-revalidate, post-check=0, pre-check=0" );        header( "Content-type:".$this->mineType );        if(!$schdule){            header( "Content-Length: " . get_file_size( $this->filename ) );        }        if(preg_match("/MSIE/i", $_SERVER["HTTP_USER_AGENT"])){            header( ‘Content-Disposition: attachment; filename="‘.urlencode($fn).‘"‘ );//解决IE中文乱码        }else{            header( ‘Content-Disposition: attachment; filename="‘.$fn.‘"‘ );//解决IE中文乱码        }            header( ‘Content-Transfer-Encoding: binary‘ );        readfile( $this->filename );        return true;    }    else    {                return false;    }  }  //add by zcs  function trim_special_str($_str)  {     return str_replace(array(‘/‘,‘?‘,‘*‘,‘:‘,‘"‘,‘<‘,‘>‘,‘\\‘),array(‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘),$_str);   }        function geterrormsg()  {    return $this->errormsg;  }    function filecheck($schdule)  {    $filename = $this->filename;    $lang_test = $this->CI->lang->language;    header( "Content-type: text/html; charset=utf-8");        if(es_file_exists($filename))        {           $this->filetype=strtolower(array_pop(explode(‘.‘,$filename)));           if(in_array($this->filetype,$this->Filter))           {             $this->errormsg.=$filename.$lang_test[‘file_forbbing_down‘];                 if($this->debug) exit($filename.$lang_test[‘file_forbbing_down‘]) ;                 return false;           }else           {               if(!$schdule){                    $this->file_mime_type($filename);               }else{                     $this->mineType = ‘application/msword‘;                  }                 if(empty($this->mineType))                 {                    $this->mineType = isset($this->xlq_filetype[$this->filetype]) ? $this->xlq_filetype[$this->filetype] : ‘application/octet-stream‘;                 }                 if(!empty($this->mineType))                   return true;                 else                 {                    $this->errormsg.= $filename.$lang_test[‘get_file_type_error‘];                        if($this->debug) exit($lang_test[‘get_file_type_error‘]);                        return false;                 }           }         }else        {          $filename = iconv("Big5","UTF-8",trim($filename));//防止乱码          $this->errormsg.=$filename.$lang_test[‘file_not_found‘];          if($this->debug) exit($filename.$lang_test[‘file_not_found‘]) ;          return false;        }  }    function setfiletype()  {    $this->xlq_filetype[‘chm‘]=‘application/octet-stream‘;    $this->xlq_filetype[‘ppt‘]=‘application/vnd.ms-powerpoint‘;    $this->xlq_filetype[‘odp‘]=‘application/vnd.ms-powerpoint‘;    $this->xlq_filetype[‘xls‘]=‘application/vnd.ms-excel‘;    $this->xlq_filetype[‘doc‘]=‘application/msword‘;    $this->xlq_filetype[‘pptx‘]=‘application/vnd.ms-powerpoint‘;    $this->xlq_filetype[‘pps‘]=‘application/vnd.ms-powerpoint‘;    $this->xlq_filetype[‘xlsx‘]=‘application/vnd.ms-excel‘;    $this->xlq_filetype[‘docx‘]=‘application/msword‘;    $this->xlq_filetype[‘odt‘]=‘application/msword‘;    $this->xlq_filetype[‘ods‘]=‘application/vnd.ms-excel‘;    $this->xlq_filetype[‘ws‘]=‘application/msword‘;    $this->xlq_filetype[‘exe‘]=‘application/octet-stream‘;    $this->xlq_filetype[‘rar‘]=‘application/octet-stream‘;    $this->xlq_filetype[‘js‘]="javascript/js";    $this->xlq_filetype[‘css‘]="text/css";    $this->xlq_filetype[‘hqx‘]="application/mac-binhex40";    $this->xlq_filetype[‘bin‘]="application/octet-stream";    $this->xlq_filetype[‘oda‘]="application/oda";    $this->xlq_filetype[‘pdf‘]="application/pdf";    $this->xlq_filetype[‘ai‘]="application/postsrcipt";    $this->xlq_filetype[‘eps‘]="application/postsrcipt";    $this->xlq_filetype[‘es‘]="application/postsrcipt";    $this->xlq_filetype[‘rtf‘]="application/rtf";    $this->xlq_filetype[‘mif‘]="application/x-mif";    $this->xlq_filetype[‘csh‘]="application/x-csh";    $this->xlq_filetype[‘dvi‘]="application/x-dvi";    $this->xlq_filetype[‘hdf‘]="application/x-hdf";    $this->xlq_filetype[‘nc‘]="application/x-netcdf";    $this->xlq_filetype[‘cdf‘]="application/x-netcdf";    $this->xlq_filetype[‘latex‘]="application/x-latex";    $this->xlq_filetype[‘ts‘]="application/x-troll-ts";    $this->xlq_filetype[‘src‘]="application/x-wais-source";    $this->xlq_filetype[‘zip‘]="application/zip";    $this->xlq_filetype[‘bcpio‘]="application/x-bcpio";    $this->xlq_filetype[‘cpio‘]="application/x-cpio";    $this->xlq_filetype[‘gtar‘]="application/x-gtar";    $this->xlq_filetype[‘shar‘]="application/x-shar";    $this->xlq_filetype[‘sv4cpio‘]="application/x-sv4cpio";    $this->xlq_filetype[‘sv4crc‘]="application/x-sv4crc";    $this->xlq_filetype[‘tar‘]="application/x-tar";    $this->xlq_filetype[‘ustar‘]="application/x-ustar";    $this->xlq_filetype[‘man‘]="application/x-troff-man";    $this->xlq_filetype[‘sh‘]="application/x-sh";    $this->xlq_filetype[‘tcl‘]="application/x-tcl";    $this->xlq_filetype[‘tex‘]="application/x-tex";    $this->xlq_filetype[‘texi‘]="application/x-texinfo";    $this->xlq_filetype[‘texinfo‘]="application/x-texinfo";    $this->xlq_filetype[‘t‘]="application/x-troff";    $this->xlq_filetype[‘tr‘]="application/x-troff";    $this->xlq_filetype[‘roff‘]="application/x-troff";    $this->xlq_filetype[‘shar‘]="application/x-shar";    $this->xlq_filetype[‘me‘]="application/x-troll-me";    $this->xlq_filetype[‘ts‘]="application/x-troll-ts";    $this->xlq_filetype[‘gif‘]="image/gif";    $this->xlq_filetype[‘jpeg‘]="image/pjpeg";    $this->xlq_filetype[‘jpg‘]="image/pjpeg";    $this->xlq_filetype[‘jpe‘]="image/pjpeg";    $this->xlq_filetype[‘ras‘]="image/x-cmu-raster";    $this->xlq_filetype[‘pbm‘]="image/x-portable-bitmap";    $this->xlq_filetype[‘ppm‘]="image/x-portable-pixmap";    $this->xlq_filetype[‘xbm‘]="image/x-xbitmap";    $this->xlq_filetype[‘xwd‘]="image/x-xwindowdump";    $this->xlq_filetype[‘ief‘]="image/ief";    $this->xlq_filetype[‘tif‘]="image/tiff";    $this->xlq_filetype[‘tiff‘]="image/tiff";    $this->xlq_filetype[‘pnm‘]="image/x-portable-anymap";    $this->xlq_filetype[‘pgm‘]="image/x-portable-graymap";    $this->xlq_filetype[‘rgb‘]="image/x-rgb";    $this->xlq_filetype[‘xpm‘]="image/x-xpixmap";    $this->xlq_filetype[‘txt‘]="text/plain";    $this->xlq_filetype[‘c‘]="text/plain";    $this->xlq_filetype[‘cc‘]="text/plain";    $this->xlq_filetype[‘h‘]="text/plain";    $this->xlq_filetype[‘html‘]="text/html";    $this->xlq_filetype[‘htm‘]="text/html";    $this->xlq_filetype[‘htl‘]="text/html";    $this->xlq_filetype[‘rtx‘]="text/richtext";    $this->xlq_filetype[‘etx‘]="text/x-setext";    $this->xlq_filetype[‘tsv‘]="text/tab-separated-values";    $this->xlq_filetype[‘mpeg‘]="video/mpeg";    $this->xlq_filetype[‘mpg‘]="video/mpeg";    $this->xlq_filetype[‘mpe‘]="video/mpeg";    $this->xlq_filetype[‘avi‘]="video/x-msvideo";    $this->xlq_filetype[‘qt‘]="video/quicktime";    $this->xlq_filetype[‘mov‘]="video/quicktime";    $this->xlq_filetype[‘moov‘]="video/quicktime";    $this->xlq_filetype[‘movie‘]="video/x-sgi-movie";    $this->xlq_filetype[‘au‘]="audio/basic";    $this->xlq_filetype[‘snd‘]="audio/basic";    $this->xlq_filetype[‘wav‘]="audio/x-wav";    $this->xlq_filetype[‘aif‘]="audio/x-aiff";    $this->xlq_filetype[‘aiff‘]="audio/x-aiff";    $this->xlq_filetype[‘aifc‘]="audio/x-aiff";    $this->xlq_filetype[‘swf‘]="application/x-shockwave-flash";  }      function file_mime_type($file)    {        $regexp = ‘/^([a-z\-]+\/[a-z0-9\-\.\+]+)(;\s.+)?$/‘;        if (function_exists(‘finfo_file‘))        {            $finfo = finfo_open(FILEINFO_MIME);            if (is_resource($finfo)){                $mime = @finfo_file($finfo, $file);                finfo_close($finfo);                if (is_string($mime) && preg_match($regexp, $mime, $matches)){                    $this->mineType = $matches[1];                    return;                }            }        }        if (DIRECTORY_SEPARATOR !== ‘\\‘){            $cmd = ‘file --brief --mime ‘ . escapeshellarg($file) . ‘ 2>&1‘;            if (function_exists(‘exec‘)){                $mime = @exec($cmd, $mime, $return_status);                if ($return_status === 0 && is_string($mime) && preg_match($regexp, $mime, $matches)){                    $this->mineType = $matches[1];                    return;                }            }            if ( (bool) @ini_get(‘safe_mode‘) === FALSE && function_exists(‘shell_exec‘)){                $mime = @shell_exec($cmd);                if(strlen($mime) > 0){                    $mime = explode("\n", trim($mime));                    if (preg_match($regexp, $mime[(count($mime) - 1)], $matches)){                        $this->mineType = $matches[1];                        return;                    }                }            }            if (function_exists(‘popen‘)){                $proc = @popen($cmd, ‘r‘);                if (is_resource($proc)){                    $mime = @fread($proc, 512);                    @pclose($proc);                    if ($mime !== FALSE){                        $mime = explode("\n", trim($mime));                        if (preg_match($regexp, $mime[(count($mime) - 1)], $matches)){                            $this->mineType = $matches[1];                            return;                        }                    }                }            }        }        // Fall back to the deprecated mime_content_type(), if available (still better than $_FILES[$field][‘type‘])        if (function_exists(‘mime_content_type‘)){            $this->mineType = @mime_content_type($file);            if (strlen($this->mineType) > 0){                return;            }        }    }}?>