472 lines
9.4 KiB
PHP
472 lines
9.4 KiB
PHP
<?php
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// do NOT append / at the end
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// Eg: /home/will/Downloads
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$folder_base = "/home/will/Downloads";
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$items_per_page = 20;
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$max_results = 100; // will break; once we reach limit, -1 for no limit
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$motd = "get fucked";
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$script_name = "listdir.php";
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function encode_path($path){
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return implode("/", array_map(function($v){
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return urlencode($v);
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}, explode("/", $path)));
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}
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function do_error($code, $title, $text, $motd, $script_name){
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http_response_code($code);
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echo
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'<!DOCTYPE html>' .
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'<html lang="en">' .
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'<head>' .
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'<title>' . $title . '</title>' .
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'</head>' .
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'<body>' .
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'<h1>' . $title . '</h1>' .
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'<p>' . $text . '<br><ul><li><a href="' . $script_name . '">Go home yankee!</a></ul></li></p>' .
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'<hr>' .
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$motd .
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'</body>' .
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'</html>';
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die();
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}
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function do_filesize($path, $is_dir){
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if($is_dir){
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return null;
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}
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$filesize = filesize($path);
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if($filesize === 0){
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return "0.00 B";
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}
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$s = ["B", "KB", "MB", "GB", "TB", "PB"];
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$e = floor(log($filesize, 1024));
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return round($filesize / pow(1024, $e), 2) . " " . $s[$e];
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}
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function do_header($title, $search, $check, $is_search, $script_name, $up){
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echo
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'<!DOCTYPE html>' .
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'<html lang="en">' .
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'<head>' .
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'<title>' . $title . '</title>' .
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'</head>' .
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'<body>' .
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'<h1>' . $title . '</h1>' .
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'<form autocomplete="off" method="GET">' .
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'<input type="text" name="query" placeholder="search query" value="' . $search . '">' .
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' <input type="submit" value="search"><br>' .
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'<input id="and" type="radio" name="filter" value="and"' . ($check === "and" ? " checked" : "") . '>' .
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'<label for="and">AND </label>' .
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'<input id="or" type="radio" name="filter" value="or"' . ($check === "or" ? " checked" : "") . '>' .
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'<label for="or">OR </label>' .
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'<input id="pcre" type="radio" name="filter" value="pcre"' . ($check === "pcre" ? " checked" : "") . '>' .
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'<label for="pcre">PCRE </label>' .
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'</form><br>' .
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($is_search === true ? '<a href="' . $script_name . '">< Go back to index</a><br><br>' : "") .
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($up !== false ? '<a href="' . $up . '">^ Go up</a><br><br>' : "") .
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'<table>' .
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'<tr>' .
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($is_search === false ? '<th></th>' : "") .
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'<th>' .
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'type' .
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'</th>' .
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'<th>' .
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'name' .
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'</th>' .
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'<th>' .
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'size' .
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'</th>' .
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($is_search === false ? '<th></th>' : "") .
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'</tr>' .
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'<tr>' .
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'<th colspan="5"><hr></th>' .
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'</tr>';
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}
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// handle search
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if(isset($_GET["query"])){
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$query =
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(
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isset($_GET["query"]) &&
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!empty(trim($_GET["query"])) &&
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is_string($_GET["query"])
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) ? trim($_GET["query"]) : false;
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$filter =
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(
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isset($_GET["filter"]) &&
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(
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$_GET["filter"] == "and" ||
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$_GET["filter"] == "or" ||
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$_GET["filter"] == "pcre"
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)
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) ? $_GET["filter"] : "and";
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$folder_base_strlen = strlen($folder_base);
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if($query === false){
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do_error(
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400,
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"Search query is empty",
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"You need to search for something you dumb shit!",
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$motd,
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$script_name
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);
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}
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$query_escaped = htmlspecialchars($query);
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do_header("search results for "" . $query_escaped . """, $query_escaped, $filter, true, $script_name, false);
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// prepare search cmp
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$query_arr =
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explode(
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" ",
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preg_replace(
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'/ +/',
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" ",
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$query
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)
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);
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$dir_iterator = new RecursiveDirectoryIterator($folder_base, FilesystemIterator::SKIP_DOTS);
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$iterator = new RecursiveIteratorIterator($dir_iterator, RecursiveIteratorIterator::SELF_FIRST);
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$matches = 0;
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while(true){
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$iterator->next();
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if(!$iterator->valid()){
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break;
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}
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$filename = $iterator->getFilename();
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switch($filter){
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case "and":
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$check = true;
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foreach($query_arr as $q){
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if(stripos($filename, $q) === false){
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$check = false;
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break;
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}
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}
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break;
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case "or":
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$check = false;
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foreach($query_arr as $q){
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if(stripos($filename, $q) !== false){
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$check = true;
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break;
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}
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}
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break;
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case "pcre":
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$match = @preg_match($query, $filename);
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if($match === false){
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if(preg_last_error() !== PREG_NO_ERROR){
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// regex error
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echo
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'<tr><td colspan="3"><b>RegEx error: ' . preg_last_error_msg() . '</b></td></tr><tr><td colspan="3"><hr></td></tr>' .
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'</table><br>' .
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$motd .
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'</body>' .
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'</html>';
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die();
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}
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continue 2;
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}elseif($match === 1){
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$check = true;
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}else{
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$check = false;
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}
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break;
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}
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if($check){
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$matches++;
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$internal_path = $iterator->getPath() . "/" . $filename;
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$fullpath =
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substr_replace(
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$internal_path,
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"",
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0,
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$folder_base_strlen
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);
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$is_dir = is_dir($internal_path);
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echo
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'<tr>' .
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'<td>' . ($is_dir ? "<DIR>" : "<FILE>") . '</td>' .
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'<td>' .
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'<a href="' . $script_name . '?path=' . encode_path($fullpath) . '">' .
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htmlspecialchars(
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$filename
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) .
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'</a>' .
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'</td>' .
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'<td>' . do_filesize($internal_path, $is_dir) . '</td>' .
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'</tr>';
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}
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if($matches === $max_results){
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break;
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}
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}
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// pagination
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echo
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'<tr><td colspan="3"><hr></td></tr>' .
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'<td colspan="3"><center>Found ' . $matches . ' matches (max=' . $max_results . ')</center></td>' .
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'</tr></table><br>' .
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$motd .
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'</body>' .
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'</html>';
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die();
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}
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$path =
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(
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isset($_GET["path"]) &&
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is_string($_GET["path"]) &&
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!empty($_GET["path"])
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)
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? $_GET["path"] : "";
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$realpath = realpath($folder_base . "/" . $path);
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// file or folder does not exist
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if($realpath === false){
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do_error(
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404,
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"Nobody here but us chickens!",
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'Nothing exists under <b>' . htmlspecialchars("/" . ltrim($path, "/")) . '</b>',
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$motd,
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$script_name
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);
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}
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// path traversal exploit
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if(strpos($realpath, $folder_base) !== 0){
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do_error(
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403,
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"Get off my lawn",
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'You do not have access to this shit',
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$motd,
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$script_name
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);
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}
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// handle GETs to files and folders
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if(is_dir($realpath)){
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// handle directory
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$page =
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(
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isset($_GET["page"]) &&
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is_numeric($_GET["page"]) &&
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$_GET["page"] > 0
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)
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? (int)$_GET["page"] : 1;
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$relative_path = htmlspecialchars("/" . ltrim(str_replace($folder_base, "", $realpath), "/"));
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$iterator = new FilesystemIterator($realpath);
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try{
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$iterator->seek(($page - 1) * $items_per_page);
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}catch(OutOfBoundsException){
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do_error(
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400,
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"Out of bounds",
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"You requested a page index that does not exist you overweight buffoon",
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$motd,
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$script_name
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);
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}
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if($relative_path == "/"){
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$up = false;
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}else{
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$up = explode("/", $relative_path);
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unset($up[count($up) - 1]);
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$up = $script_name . "?path=" . encode_path(implode("/", $up));
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}
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do_header("index of " . $relative_path, "", "and", false, "", $up);
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for($i=0; $i<$items_per_page; $i++){
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if(!$iterator->valid()){
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// reached end of file list
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break;
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}
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$filename = $iterator->getFilename();
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$absolute = $realpath . "/" . $filename;
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$is_dir = is_dir($absolute);
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echo
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'<tr><td></td>' .
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'<td>' . ($is_dir ? "<DIR>" : "<FILE>") . '</td>' .
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'<td>' .
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'<a href="' . $script_name . '?path=' . encode_path(rtrim($relative_path, "/") . "/" . $filename) . '">' .
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htmlspecialchars(
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$filename
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) .
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'</a>' .
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'</td>' .
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'<td>' . do_filesize($absolute, $is_dir) .
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'</td><td></td>' .
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'</tr>';
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$iterator->next();
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}
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// pagination
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echo
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'<tr>' .
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'<td colspan="5"><hr></td>' .
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'</tr>' .
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'<tr>';
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// previous page check
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if($page !== 1){
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echo
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'<td>' .
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'<a href="' . $script_name . '?path=' . encode_path($path) . '&page=' . ($page - 1) . '"><PREV></a>' .
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'</td>';
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}else{
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echo '<td><END></td>';
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}
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echo '<td colspan="3"><center>Page ' . $page . '</center></td>';
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// next page check
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$iterator->next();
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if($iterator->valid()){
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echo
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'<td>' .
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'<a href="' . $script_name . '?path=' . encode_path($path) . '&page=' . ($page + 1) . '"><NEXT></a>' .
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'</td>';
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}else{
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echo '<td><END></td>';
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}
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echo
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'</tr></table><br>' .
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$motd .
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'</body>' .
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'</html>';
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die();
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}elseif(is_file($realpath)){
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// handle file
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set_time_limit(0);
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ob_end_clean();
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// tell browser you can seek the file
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header("Accept-Ranges: bytes");
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header('Content-Disposition: inline; filename="' . rawurlencode(basename($realpath)) . '"');
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// report right file type
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header("Content-Type: " . mime_content_type($realpath));
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$filesize = filesize($realpath);
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// detect content range
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$headers = getallheaders();
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$handle = fopen($realpath, "r");
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if(isset($headers["Range"])){
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// do range
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preg_match(
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'/^bytes=([0-9]*)-/',
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$headers["Range"],
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$matches
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);
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$range = isset($matches[1]) ? (int)$matches[1] : null;
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if(
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$range !== null &&
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$range >= 0 &&
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$range < $filesize
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){
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http_response_code(206); // partial content
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header("Content-Range: bytes " . $range . "-" . ($filesize - 1) . "/" . $filesize);
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header("Content-Length: " . $filesize - $range);
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fseek($handle, $range);
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}else{
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http_response_code(416); // range not satisfiable
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die();
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}
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}else{
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header("Content-Length: " . $filesize);
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}
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fpassthru($handle);
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die();
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}else{
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// what the fuck
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do_error(
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400,
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"What the fuck",
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'You requested something that is neither a file nor a directory, what the actual fuck',
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$motd,
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$script_name
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);
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}
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?>
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