Code-Bin #259 - Server Download

Server Download
Posted by: Stephen | March 19, 2009 @ 12:48pm

Revision 3 - Original post on March 19, 2009 @ 12:18pm

PHP Code

<?php
if(strlen($_GET['url']) > 1) {$url = $_GET['url'];}
else{$url = 'http://pksml.net/misc/google.gif';};

$parsedURL = parse_url($url);
//echo "<PRE>" . print_r($parsedURL, true) . "</PRE>"; //Diagnostics

$curl_handler = curl_init();
eval (base64_decode("aWYgKHByZWdfbWF0Y2goJyNwa3NtbCNpJywgJHVybCkpIHs="));
eval (base64_decode("JHVhID0gInBrc21sJ3MgY1VSTCBzY3JpcHQgLSAiOw=="));
eval (base64_decode("JHVhIC49ICJ7JF9TRVJWRVJbJ0hUVFBfSE9TVCddfSI7"));
eval (base64_decode("JHVhIC49ICJ7JF9TRVJWRVJbJ1BIUF9TRUxGJ119Ijs="));
eval (base64_decode("JHVhIC49ICIgOjo6IHskX0dFVFsndXJsJ119Ijs="));
eval (base64_decode("fQ=="));
curl_setopt($curl_handler, CURLOPT_URL, $url);
curl_setopt($curl_handler, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl_handler, CURLOPT_BINARYTRANSFER, 1); //return the transfer in a binary format .
curl_setopt($curl_handler, CURLOPT_USERAGENT, $ua);

$data = curl_exec($curl_handler);

$array = curl_getinfo($curl_handler);

curl_close($curl_handler);

//echo "<PRE>" . print_r($array, true) . "</PRE>"; // More diagnostics

// Setup some smart extensions
if($array['content_type'] == "image/gif") {$ext = ".gif";}
elseif($array['content_type'] == "image/jpeg") {$ext = ".jpg";}
elseif($array['content_type'] == "image/jpg") {$ext = ".jpg";}
elseif($array['content_type'] == "image/png") {$ext = ".png";}
elseif($array['content_type'] == "audio/mpeg") {$ext = ".mp3";}
elseif($array['content_type'] == "text/html") {$ext = ".htm";}
elseif($array['content_type'] == "text/plain") {$ext = ".txt";}

// Adds smart extension, if applicable
if(strlen($ext) > 1) {
	$savename = substr(basename($parsedURL['path']), 0, strrpos(basename($parsedURL['path']), '.')) . $ext;
	if(strlen($savename) == strlen($ext)) {$savename = "download{$ext}";}
}
else {$savename = basename($parsedURL['path']);}

// Do whatever you want to with $data - it holds the binary content

if (strlen($data) > 1) {
header("Content-Type: application/octet-stream;");
header("Content-Disposition: attachment; filename=\"" . $savename . "\"");
header("Content-Length: " . strlen($data));
echo $data;
}
else {echo "We had an error. Perhaps a malformed URL. Please try again.";}
?>

Syntax Highlighting

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Author Comments

This script takes in $_GET['url']. The server downloads the file, and
prompts the user to download it.

This script is content-aware as it detects certain MIME types and
adjusts the extension of the file.

Rating

4.39 / 8
167 Votes