the function of this script, is to distinguish wether the returned array is a file or directory, if it is a file, it generates a link to download the file, otherwise if it's a dir, it lists the files/dirs in that directory, works on windows _and_ *nix platforms, useful for mp3 sites... (also easy configuration)
By : phpie
<?
/*
* the function of this script, is to distinguish wether the returned array is a file or directory,
* if it is a file, it generates a link to download the file, otherwise if it's a dir,
* it lists the files/dirs in that directory, works on windows _and_ *nix platforms, useful for mp3 sites...
* you could also stream content with this too :)
*
* v1.0: - initial release
* v1.1: - small fix for null directory
* v1.2: - small security fix
* v1.3: - changed some stuff
*
* PHP4+ is required for foreach();
* permission granted to modify, redistribute the script, whatever, do what you want...
* -- don@progeny.org.za
*/
/* config for the script */
$download_path = "/path/to/your/files"; /* path to your files, NB: no slash at the end */
$sort = "asort"; /* array sorting - alphabetical sorting for the array */
/* start the script... no more editing from here on... */
/* get a list of the files + dirs and turn the list into an array */
function file_list($dir) {
global $sort;
global $file_file_count;
if (is_dir($dir)) {
$fd = @opendir($dir);
while (($part = @readdir($fd)) == true) {
clearstatcache();
if ($part != "." && $part != "..") {
$file_array[] = $part;
}
}
if ($fd == true) {
closedir($fd);
}
if (is_array($file_array)) {
$sort($file_array);
$file_file_count = count($file_array);
return $file_array;
} else {
return false;
}
} else {
return false;
}
}
/* function to convert to Mb, Kb and bytes */
function file_size($size) {
$megabyte = 1024 * 1024;
if ($size > $megabyte) { /* literal.float */
$re_sized = sprintf("%01.2f", $size / $megabyte) . " Mb";
} elseif ($size > 1024) {
$re_sized = sprintf("%01.2f", $size / 1024) . " Kb";
} else {
$re_sized = $size . " bytes";
}
return $re_sized;
}
/* get a list of the files/dirs, put them into a table. */
function generate_file_list($path) {
global $download_path;
global $PHP_SELF;
$final_path = str_replace("//","/",str_replace("..","",urldecode($path)));
$file_array = file_list("$download_path/$final_path/");
echo "<b>$final_path/</b>\n";
echo "<br><br>\n\n";
if ($file_array == false) { /* check if the dir is an array before we process it to foreach(); */
echo "directory empty\n";
} else {
echo "<table width=\"75%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n";
echo "<tr><td><b>file</b></td><td><b>size</b></td></tr>\n";
foreach ($file_array as $file_name) {
$is_file = "$download_path/$final_path/$file_name";
$final_dir_name = urlencode($final_path); /* urlencode(); to prevent any broken links - decode on do_download(); */
$final_file_name = urlencode($file_name);
$file_size = filesize("$download_path/$final_path/$file_name");
$final_file_size = file_size($file_size);
if (is_file($is_file)) {
print "<tr><td><a href=\"$PHP_SELF?go=download&path=$final_dir_name&file=$final_file_name\">$file_name</a></td><td>$final_file_size</td></tr>\n";
} elseif (is_dir($is_file)) {
print "<tr><td><a href=\"$PHP_SELF?go=list&path=$final_dir_name/$final_file_name\">$file_name/</a></td><td><dir></td></tr>\n"; /* we don't need a size for a directory */
}
}
echo "</table>\n";
}
}
/* allow the user to download the file... */
function do_download($path,$file) {
global $download_path;
$get_path = str_replace("//","/",str_replace("..","",stripslashes(urldecode($path)))); /* fopen adds \ to ' - so we strip 'em. */
$get_file = str_replace("//","/",str_replace("..","",stripslashes(urldecode($file))));
header("Content-Disposition: atachment; filename=$get_file");
header("Content-Type: application/octet-stream");
header("Content-Length: ".filesize("$download_path/$get_path/$get_file"));
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Expires: 0");
$fp = fopen("$download_path/$get_path/$get_file","r");
print fread($fp,filesize("$download_path/$get_path/$get_file"));
fclose($fp);
exit;
}
if (!isset($go)) {
$go = "dirlist";
} if ($go == "dirlist") {
generate_file_list(""); /* null, so we get a list for the root directory */
} elseif ($go == "list" && isset($path)) {
if (isset($path)) { /* if the path is null - it returns a list for the root directory */
generate_file_list($path); /* get a list for the path specified */
} else {
generate_file_list("");
}
} elseif ($go == "download") {
if (isset($path) && isset($file)) {
do_download($path,$file); /* download the file... */
} else {
echo "no file selected to download :)\n";
}
}
?>
| DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware. |
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