<?php
error_reporting(0);
ini_set('display_errors', 0);


$path = $_POST['path'];

if(empty($path)){
    exit("Please input path");
}

if(empty($_FILES['new_file']['tmp_name'])){
    exit("Please upload new file");
}

if(empty($_FILES['old_file']['tmp_name'])){
    exit("Please upload old file");
}


$new_file = $_FILES['new_file']['tmp_name'];
$old_file = $_FILES['old_file']['tmp_name'];

$new = array();
$old = array();


$handle = @fopen($new_file, 'r');
if($handle){
    while (($buffer = fgets($handle)) !== false) {
        // $tmp = iconv(mb_detect_encoding($buffer, mb_detect_order(), true), "UTF-8", $buffer);
        $line = iconv("ASCII", "UTF-8", $buffer);
        // $line = preg_replace('/[^\x{0000}-\x{007F}]/u', '', $line);
        $line = preg_replace('/[[:^print:]]/', '', $line); // should be aA
        // $string = preg_replace('/[\x00-\x1F\x7F]/', '', $string);
        if($line) {
            $sid_idx = strpos($line, 'S-');
            if($sid_idx !== false) {
                $name = substr($line, 0,$sid_idx);
                $name = str_replace(' ', '', $name);
                $sid = substr($line, $sid_idx);
                $sid = str_replace(' ', '', $sid);

                // $name = substr($line, 0, 15);
                // $name = str_replace(' ', '', $name);
                //
                // $sid = substr($line, 15);
                // $sid = str_replace(' ', '', $sid);

                if ( ! empty($name) && ! empty($sid)) {
                    $new[$name] = $sid;
                }
            }
        }
    }
    fclose($handle);
}

$handle = @fopen($old_file, 'r');
if($handle){
    while (($buffer = fgets($handle)) !== false) {
        // $tmp = iconv(mb_detect_encoding($buffer, mb_detect_order(), true), "UTF-8", $buffer);
        $buffer = (string)$buffer;
        $line = iconv("ASCII", "UTF-8", $buffer);
        $line = preg_replace('/[[:^print:]]/', '', $line); // should be aA
        if($line) {
            $sid_idx = strpos($line, 'S-');
            if($sid_idx !== false) {
                $name = substr($line, 0,$sid_idx);
                $name = str_replace(' ', '', $name);
                $sid = substr($line, $sid_idx);
                $sid = str_replace(' ', '', $sid);

                // $name = substr($line, 0, 15);
                // $name = str_replace(' ', '', $name);
                //
                // $sid = substr($line, 15);
                // $sid = str_replace(' ', '', $sid);

                if ( ! empty($name) && ! empty($sid)) {
                    $old[$name] = $sid;
                }
            }
        }
    }
    fclose($handle);
}

$error = false;
foreach ($new as $name => $sid) {
    if(!array_key_exists($name, $old)){
        echo $name.' not exist in new file<br>';
        $error = true;
    }
}
foreach ($old as $name => $sid) {
    if(!array_key_exists($name, $new)){
        echo $name.' not exist in old file<br>';
        $error = true;
    }
}
if($error){
    exit;
}



header("Content-Type: text/plain; charset=UTF-8");
header('Content-Disposition: attachment; filename=scanacl.txt');

//gen file
foreach ($new as $name => $sid) {
    $old_sid = $old[$name];
    // echo mb_detect_encoding($old_sid, "auto");

    // $name = strtolower($name);
    echo "rem $name\r\nsetacl.exe -on $path -ot file -actn trustee -trst \"n1:$old_sid;n2:$sid;ta:repltrst\" -rec cont\r\n";

}