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prashantdsala/file-download.php

Last active March 21, 2023 07:05
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PHP script to directly download any file type from external URL using cURL
Raw
file-download.php
<?php
/**
* Generic function to direct download any type of file.
*/
function directDownloadAnyFile($file, $newfilename = '', $mimetype='', $isremotefile = false) {
$formattedhpath = "";
$filesize = "";
if(empty($file)){
die('Please enter file url to download...!');
exit;
}
// Removing spaces and replacing with %20 ascii code.
$file = $this->RemoveUrlSpaces($file);
if(preg_match("#http://#", $file)){
$formattedhpath = "url";
} else{
$formattedhpath = "filepath";
}
if ($formattedhpath == "url") {
$file_headers = @get_headers($file);
if($file_headers[0] == 'HTTP/1.1 404 Not Found') {
die('File is not readable or not found...!');
exit;
}
}
elseif ($formattedhpath == "filepath") {
if(@is_readable($file)) {
die('File is not readable or not found...!');
exit;
}
}
//Fetching File Size Located in Remote Server
if ($isremotefile && $formattedhpath == "url") {
$data = @get_headers($file, true);
if (!empty($data['Content-Length'])) {
$filesize = (int)$data["Content-Length"];
}
else {
///If get_headers fails then try to fetch filesize with curl
$ch = @curl_init();
if(!@curl_setopt($ch, CURLOPT_URL, $file)) {
@curl_close($ch);
@exit;
}
@curl_setopt($ch, CURLOPT_NOBODY, true);
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@curl_setopt($ch, CURLOPT_HEADER, true);
@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
@curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
@curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
@curl_exec($ch);
if(!@curl_errno($ch))
{
$http_status = (int)@curl_getinfo($ch, CURLINFO_HTTP_CODE);
if($http_status >= 200 && $http_status <= 300)
$filesize = (int)@curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
}
@curl_close($ch);
}
}
elseif ($isremotefile && $formattedhpath == "filepath") {
die('Error : Need complete URL of remote file...!');
exit;
}
else {
if($formattedhpath == "url"){
$data = @get_headers($file, true);
$filesize = (int)$data["Content-Length"];
}
elseif($formattedhpath == "filepath") {
$filesize = (int)@filesize($file);
}
}
if(empty($newfilename)){
$newfilename = @basename($file);
}
else{
//Replacing any spaces with (-) hypen
$newfilename = $this->RemoveSpaces($newfilename);
}
if (empty($mimetype)) {
//Get the extension of the file
$path_parts = @pathinfo($file);
$myfileextension = $path_parts["extension"];
switch ($myfileextension) {
///Image Mime Types
case 'jpg':
$mimetype = "image/jpg";
break;
case 'jpeg':
$mimetype = "image/jpeg";
break;
case 'gif':
$mimetype = "image/gif";
break;
case 'png':
$mimetype = "image/png";
break;
case 'bm':
$mimetype = "image/bmp";
break;
case 'bmp':
$mimetype = "image/bmp";
break;
case 'art':
$mimetype = "image/x-jg";
break;
case 'dwg':
$mimetype = "image/x-dwg";
break;
case 'dxf':
$mimetype = "image/x-dwg";
break;
case 'flo':
$mimetype = "image/florian";
break;
case 'fpx':
$mimetype = "image/vnd.fpx";
break;
case 'g3':
$mimetype = "image/g3fax";
break;
case 'ief':
$mimetype = "image/ief";
break;
case 'jfif':
$mimetype = "image/pjpeg";
break;
case 'jfif-tbnl':
$mimetype = "image/jpeg";
break;
case 'jpe':
$mimetype = "image/pjpeg";
break;
case 'jps':
$mimetype = "image/x-jps";
break;
case 'jut':
$mimetype = "image/jutvision";
break;
case 'mcf':
$mimetype = "image/vasa";
break;
case 'nap':
$mimetype = "image/naplps";
break;
case 'naplps':
$mimetype = "image/naplps";
break;
case 'nif':
$mimetype = "image/x-niff";
break;
case 'niff':
$mimetype = "image/x-niff";
break;
case 'cod':
$mimetype = "image/cis-cod";
break;
case 'ief':
$mimetype = "image/ief";
break;
case 'svg':
$mimetype = "image/svg+xml";
break;
case 'tif':
$mimetype = "image/tiff";
break;
case 'tiff':
$mimetype = "image/tiff";
break;
case 'ras':
$mimetype = "image/x-cmu-raster";
break;
case 'cmx':
$mimetype = "image/x-cmx";
break;
case 'ico':
$mimetype = "image/x-icon";
break;
case 'pnm':
$mimetype = "image/x-portable-anymap";
break;
case 'pbm':
$mimetype = "image/x-portable-bitmap";
break;
case 'pgm':
$mimetype = "image/x-portable-graymap";
break;
case 'ppm':
$mimetype = "image/x-portable-pixmap";
break;
case 'rgb':
$mimetype = "image/x-rgb";
break;
case 'xbm':
$mimetype = "image/x-xbitmap";
break;
case 'xpm':
$mimetype = "image/x-xpixmap";
break;
case 'xwd':
$mimetype = "image/x-xwindowdump";
break;
case 'rgb':
$mimetype = "image/x-rgb";
break;
case 'xbm':
$mimetype = "image/x-xbitmap";
break;
case "wbmp":
$mimetype = "image/vnd.wap.wbmp";
break;
//Files MIME Types
case 'css':
$mimetype = "text/css";
break;
case 'htm':
$mimetype = "text/html";
break;
case 'html':
$mimetype = "text/html";
break;
case 'stm':
$mimetype = "text/html";
break;
case 'c':
$mimetype = "text/plain";
break;
case 'h':
$mimetype = "text/plain";
break;
case 'txt':
$mimetype = "text/plain";
break;
case 'rtx':
$mimetype = "text/richtext";
break;
case 'htc':
$mimetype = "text/x-component";
break;
case 'vcf':
$mimetype = "text/x-vcard";
break;
//Applications MIME Types
case 'doc':
$mimetype = "application/msword";
break;
case 'xls':
$mimetype = "application/vnd.ms-excel";
break;
case 'ppt':
$mimetype = "application/vnd.ms-powerpoint";
break;
case 'pps':
$mimetype = "application/vnd.ms-powerpoint";
break;
case 'pot':
$mimetype = "application/vnd.ms-powerpoint";
break;
case "ogg":
$mimetype = "application/ogg";
break;
case "pls":
$mimetype = "application/pls+xml";
break;
case "asf":
$mimetype = "application/vnd.ms-asf";
break;
case "wmlc":
$mimetype = "application/vnd.wap.wmlc";
break;
case 'dot':
$mimetype = "application/msword";
break;
case 'class':
$mimetype = "application/octet-stream";
break;
case 'exe':
$mimetype = "application/octet-stream";
break;
case 'pdf':
$mimetype = "application/pdf";
break;
case 'rtf':
$mimetype = "application/rtf";
break;
case 'xla':
$mimetype = "application/vnd.ms-excel";
break;
case 'xlc':
$mimetype = "application/vnd.ms-excel";
break;
case 'xlm':
$mimetype = "application/vnd.ms-excel";
break;
case 'msg':
$mimetype = "application/vnd.ms-outlook";
break;
case 'mpp':
$mimetype = "application/vnd.ms-project";
break;
case 'cdf':
$mimetype = "application/x-cdf";
break;
case 'tgz':
$mimetype = "application/x-compressed";
break;
case 'dir':
$mimetype = "application/x-director";
break;
case 'dvi':
$mimetype = "application/x-dvi";
break;
case 'gz':
$mimetype = "application/x-gzip";
break;
case 'js':
$mimetype = "application/x-javascript";
break;
case 'mdb':
$mimetype = "application/x-msaccess";
break;
case 'dll':
$mimetype = "application/x-msdownload";
break;
case 'wri':
$mimetype = "application/x-mswrite";
break;
case 'cdf':
$mimetype = "application/x-netcdf";
break;
case 'swf':
$mimetype = "application/x-shockwave-flash";
break;
case 'tar':
$mimetype = "application/x-tar";
break;
case 'man':
$mimetype = "application/x-troff-man";
break;
case 'zip':
$mimetype = "application/zip";
break;
case 'xlsx':
$mimetype = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
break;
case 'pptx':
$mimetype = "application/vnd.openxmlformats-officedocument.presentationml.presentation";
break;
case 'docx':
$mimetype = "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
break;
case 'xltx':
$mimetype = "application/vnd.openxmlformats-officedocument.spreadsheetml.template";
break;
case 'potx':
$mimetype = "application/vnd.openxmlformats-officedocument.presentationml.template";
break;
case 'ppsx':
$mimetype = "application/vnd.openxmlformats-officedocument.presentationml.slideshow";
break;
case 'sldx':
$mimetype = "application/vnd.openxmlformats-officedocument.presentationml.slide";
break;
///Audio and Video Files
case 'mp3':
$mimetype = "audio/mpeg";
break;
case 'wav':
$mimetype = "audio/x-wav";
break;
case 'au':
$mimetype = "audio/basic";
break;
case 'snd':
$mimetype = "audio/basic";
break;
case 'm3u':
$mimetype = "audio/x-mpegurl";
break;
case 'ra':
$mimetype = "audio/x-pn-realaudio";
break;
case 'mp2':
$mimetype = "video/mpeg";
break;
case 'mov':
$mimetype = "video/quicktime";
break;
case 'qt':
$mimetype = "video/quicktime";
break;
case 'mp4':
$mimetype = "video/mp4";
break;
case 'm4a':
$mimetype = "audio/mp4";
break;
case 'mp4a':
$mimetype = "audio/mp4";
break;
case 'm4p':
$mimetype = "audio/mp4";
break;
case 'm3a':
$mimetype = "audio/mpeg";
break;
case 'm2a':
$mimetype = "audio/mpeg";
break;
case 'mp2a':
$mimetype = "audio/mpeg";
break;
case 'mp2':
$mimetype = "audio/mpeg";
break;
case 'mpga':
$mimetype = "audio/mpeg";
break;
case '3gp':
$mimetype = "video/3gpp";
break;
case '3g2':
$mimetype = "video/3gpp2";
break;
case 'mp4v':
$mimetype = "video/mp4";
break;
case 'mpg4':
$mimetype = "video/mp4";
break;
case 'm2v':
$mimetype = "video/mpeg";
break;
case 'm1v':
$mimetype = "video/mpeg";
break;
case 'mpe':
$mimetype = "video/mpeg";
break;
case 'avi':
$mimetype = "video/x-msvideo";
break;
case 'midi':
$mimetype = "audio/midi";
break;
case 'mid':
$mimetype = "audio/mid";
break;
case 'amr':
$mimetype = "audio/amr";
break;
default:
$mimetype = "application/octet-stream";
}
}
//off output buffering to decrease Server usage
@ob_end_clean();
if(ini_get('zlib.output_compression')){
ini_set('zlib.output_compression', 'Off');
}
header('Content-Description: File Transfer');
header('Content-Type: '.$mimetype);
header('Content-Disposition: attachment; filename='.$newfilename.'');
header('Content-Transfer-Encoding: binary');
header("Expires: Wed, 07 May 2013 09:09:09 GMT");
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Pragma: no-cache');
header('Content-Length: '.$filesize);
//Will Download 1 MB in chunkwise
$chunk = 1 * (1024 * 1024);
$nfile = @fopen($file,"rb");
while(!feof($nfile)) {
print(@fread($nfile, $chunk));
@ob_flush();
@flush();
}
@fclose($filen);
}
?>
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