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- <?php
- // Inialize session
- session_start();
- // Check, if username session is NOT set then this page will jump to login page
- if (!isset($_SESSION['username'])) {
- header('Location: login.php');
- }
- function output_file($file, $name, $mime_type='')
- {
- if(!is_readable($file)) die('File not found or inaccessible!');
- $size = filesize($file);
- $name = rawurldecode($name);
- $known_mime_types=array(
- "htm" => "text/html",
- "exe" => "application/octet-stream",
- "zip" => "application/zip",
- "doc" => "application/msword",
- "jpg" => "image/jpg",
- "php" => "text/plain",
- "xls" => "application/vnd.ms-excel",
- "ppt" => "application/vnd.ms-powerpoint",
- "gif" => "image/gif",
- "pdf" => "application/pdf",
- "txt" => "text/plain",
- "html"=> "text/html",
- "png" => "image/png",
- "jpeg"=> "image/jpg"
- );
- if($mime_type==''){
- $file_extension = strtolower(substr(strrchr($file,"."),1));
- if(array_key_exists($file_extension, $known_mime_types)){
- $mime_type=$known_mime_types[$file_extension];
- } else {
- $mime_type="application/force-download";
- };
- };
- //turn off output buffering to decrease cpu usage
- @ob_end_clean();
- // required for IE, otherwise Content-Disposition may be ignored
- if(ini_get('zlib.output_compression'))
- ini_set('zlib.output_compression', 'Off');
- header('Content-Type: ' . $mime_type);
- header('Content-Disposition: attachment; filename="'.$name.'"');
- header("Content-Transfer-Encoding: binary");
- header('Accept-Ranges: bytes');
- // multipart-download and download resuming support
- if(isset($_SERVER['HTTP_RANGE']))
- {
- list($a, $range) = explode("=",$_SERVER['HTTP_RANGE'],2);
- list($range) = explode(",",$range,2);
- list($range, $range_end) = explode("-", $range);
- $range=intval($range);
- if(!$range_end) {
- $range_end=$size-1;
- } else {
- $range_end=intval($range_end);
- }
- $new_length = $range_end-$range+1;
- header("HTTP/1.1 206 Partial Content");
- header("Content-Length: $new_length");
- header("Content-Range: bytes $range-$range_end/$size");
- } else {
- $new_length=$size;
- header("Content-Length: ".$size);
- }
- /* Will output the file itself */
- $chunksize = 1*(1024*1024); //you may want to change this
- $bytes_send = 0;
- if ($file = fopen($file, 'r'))
- {
- if(isset($_SERVER['HTTP_RANGE']))
- fseek($file, $range);
- while(!feof($file) &&
- (!connection_aborted()) &&
- ($bytes_send<$new_length)
- )
- {
- $buffer = fread($file, $chunksize);
- echo($buffer);
- flush();
- $bytes_send += strlen($buffer);
- }
- fclose($file);
- } else
- //If no permissiion
- die('Error - can not open file.');
- //die
- die();
- }
- //Set the time out
- set_time_limit(0);
- //path to the file
- $file_path='C:/wamp/www/one box/webspace/".$username."/"'.$_REQUEST['name'];
- //Call the download function with file path,file name and file type
- output_file($file_path, ''.$_REQUEST['name'].'', 'text/plain');
- ?>
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