upload.php

<?php
function createFile($filename, $content) {
    $myfile = fopen($filename, "w") or die("cannot open file");
    fwrite($myfile, $content);
    fclose($myfile);
}
function createDir($dir) {
    if (!file_exists($dir)) {
        mkdir($dir, 0777, true);
    }
}
function generatePostUploadPage($id, $filename, $originalfilename, $adultcontent, $dh, $sz, $outfile) {
    $myFile = $outfile; // or .php
    $fh = fopen($myFile, 'w'); // or die("error");
    $stringData = "
<body>
    <center>
        <br>
        <a href=\"/\">Go to home page</a>
        <br>
        <img src=\"/logo.png\" alt=\"Logo\" style=\"width:256px;height:256px;\">
        <h2>The Hidden Hosting</h2>
        <h5>Free and anonymous file hosting</h5>
        <hr>

        <a>ID:</a>
        <br>
        <b>".$id."</b>
        <br>
        <br>

        <a>Filename and size:</a>
        <br>
        <b>".$originalfilename.' ('.$sz.')'."</b>
        <br>
        <br>

        <a>Contains adult content:</a>
        <br>
        <b>".$adultcontent."</b>
        <br>
        <br>

        <a>Upload date:</a>
        <br>
        <b>GMT+0 ".$dh."</b>
        <br>
        <br>

        <a href='".$filename."'>Download file</a> <br><br>
        <a href='/delete.php?id=".$id."'>Delete</a>
    </center>
</body>";
    fwrite($fh, $stringData);
}

function formatBytes($bytes, $precision = 2) {
    $units = array('B', 'KB', 'MB', 'GB', 'TB');

    $bytes = max($bytes, 0);
    $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
    $pow = min($pow, count($units) - 1);

    $bytes /= pow(1024, $pow);

    return round($bytes, $precision) . ' ' . $units[$pow];
}
function generateRandomString($length = 10) {
    $characters = '0123456789abcdefghijklmnopqrstuvwxyz';
    $charactersLength = strlen($characters);
    $randomString = '';
    for ($i = 0; $i < $length; $i++) {
        $randomString .= $characters[rand(0, $charactersLength - 1)];
    }
    return $randomString;
}
if(isset($_POST['btn-upload']))
{
    $original = $_FILES['pic']['name'];
    $array = explode('.', $original);
    $extension = end($array);
    $id = generateRandomString(16);
    $pic = $id.'.'.$extension;
    $pic_loc = $_FILES['pic']['tmp_name'];
    $folder="uploaded/".$id."/";
    createDir($folder);
    $size = "";
    $outfile = $folder.$pic;

    $postpage = $folder.'download.html';

    $adult = isset($_POST['adultcontent']) && $_POST['adultcontent']  ? "Yes" : "No";

    $now = date("Y/m/d - h:i:s");

    $deletepw = $_POST['deletepw'];

    if(move_uploaded_file($pic_loc, $outfile))
    {
        $size = formatBytes(filesize($folder . $pic));
        generatePostUploadPage($id, $pic, $original, $adult, $now, $size, $postpage);
        createFile($folder . ".deletepw", $deletepw);

        ?>
        <br>
        <!--<script>alert('successfully uploaded to <?php echo $pic?>');</script>-->
        <center><a href="http://hiddenhosting.66ghz.com/<?php echo $postpage;?>"><font size="4" color="blue">Click here to see your uploaded file <?php echo ' (' . $size . ')';?></font></a></center>

        <?php
    }
    else
    {
        ?><script>alert('error');</script><?php
    }
}
?>