<?php

function mayorFileUpload($ADAT,$csakKep=true) {

try {
    
    // Undefined | Multiple Files | $_FILES Corruption Attack
    // If this request falls under any of them, treat it invalid.
    if (
        !isset($_FILES['upfile']['error']) ||
        is_array($_FILES['upfile']['error'])
    ) {
        throw new RuntimeException('Paraméter hiba!');
    }

    // Check $_FILES['upfile']['error'] value.
    switch ($_FILES['upfile']['error']) {
        case UPLOAD_ERR_OK:
            break;
        case UPLOAD_ERR_NO_FILE:
            throw new RuntimeException('Nincs megadott file.');
        case UPLOAD_ERR_INI_SIZE:
        case UPLOAD_ERR_FORM_SIZE:
            throw new RuntimeException('FileSize limit hiba!');
        default:
            throw new RuntimeException('Valami hiba...');
    }

    // You should also check filesize here. 
    if ($_FILES['upfile']['size'] > file_upload_max_size()) {
        throw new RuntimeException('Túl nagy a file!');
    }

    $finfo = new finfo(FILEINFO_MIME_TYPE);

    if ($csakKep===true) {
    if (false === $ext = array_search(
        $finfo->file($_FILES['upfile']['tmp_name']),
        array(
            'jpg' => 'image/jpeg',
            'png' => 'image/png',
            'gif' => 'image/gif'
        ),
        true
    )) {
        throw new RuntimeException('Nem kép!');
    }
    }
    // You should name it uniquely.
    // DO NOT USE $_FILES['upfile']['name'] WITHOUT ANY VALIDATION !!
    // On this example, obtain safe unique name from its binary data.

    // define('CLAMAV_ENABLED',true);
    if (CLAMAV_ENABLED === true) {
	$safePath = escapeshellarg($_FILES['upfile']['tmp_name']);
	$command = "clamdscan --quiet --stdout --fdpass ".$safePath." --remove"; // --remove
	$out = '';
	$int = -1;
	exec($command, $out, $int);
	if ($int!==0) {
	    if (file_exists($safePath)) unlink($safePath);
    	    throw new RuntimeException('Szerintünk ez vírusos!!!');    
	}
    }

    if (!move_uploaded_file($_FILES['upfile']['tmp_name'],$ADAT['subdir'].'/'.$ADAT['filename'])) {
        throw new RuntimeException('Nem tudtuk átmozgatni. Van jogunk írni a célkönyvtárba?');
    }

    } catch (RuntimeException $e) {
	$_SESSION['alert'][] = 'info::'.$e->getMessage();
	return false;
    }
    return true;

}

function file_upload_max_size() {
  static $max_size = -1;

  if ($max_size < 0) {
    $post_max_size = parse_size(ini_get('post_max_size'));
    if ($post_max_size > 0) {
      $max_size = $post_max_size;
    }
    $upload_max = parse_size(ini_get('upload_max_filesize'));
    if ($upload_max > 0 && $upload_max < $max_size) {
      $max_size = $upload_max;
    }
  }
  return $max_size;
}

function parse_size($size) {
  $unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
  $size = preg_replace('/[^0-9\.]/', '', $size);
  if ($unit) {
    return round($size * pow(1024, stripos('bkmgtpezy', $unit[0])));
  }
  else {
    return round($size);
  }
}

function human_filesize($bytes, $dec = 2) 
{
    $size   = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
    $factor = floor((strlen($bytes) - 1) / 3);
    return sprintf("%.{$dec}f", $bytes / pow(1024, $factor)) . @$size[$factor];
}

function filename2ext($filename) {
    $ext = end(explode('.', $filename));
    $ext = substr(strrchr($filename, '.'), 1);
    $ext = substr($filename, strrpos($filename, '.') + 1);
    $ext = preg_replace('/^.*\.([^.]+)$/D', '$1', $filename);
    $exts = explode('.', $filename);
    $n    = count($exts)-1;
    $ext  = $exts[$n];
    return $ext;
}

function filemime2ext($mime) {
    $mime_map = [
        'video/3gpp2'                                                               => '3g2',
        'video/3gp'                                                                 => '3gp',
        'video/3gpp'                                                                => '3gp',
        'application/x-compressed'                                                  => '7zip',
        'audio/x-acc'                                                               => 'aac',
        'audio/ac3'                                                                 => 'ac3',
        'application/postscript'                                                    => 'ai',
        'audio/x-aiff'                                                              => 'aif',
        'audio/aiff'                                                                => 'aif',
        'audio/x-au'                                                                => 'au',
        'video/x-msvideo'                                                           => 'avi',
        'video/msvideo'                                                             => 'avi',
        'video/avi'                                                                 => 'avi',
        'application/x-troff-msvideo'                                               => 'avi',
        'application/macbinary'                                                     => 'bin',
        'application/mac-binary'                                                    => 'bin',
        'application/x-binary'                                                      => 'bin',
        'application/x-macbinary'                                                   => 'bin',
        'image/bmp'                                                                 => 'bmp',
        'image/x-bmp'                                                               => 'bmp',
        'image/x-bitmap'                                                            => 'bmp',
        'image/x-xbitmap'                                                           => 'bmp',
        'image/x-win-bitmap'                                                        => 'bmp',
        'image/x-windows-bmp'                                                       => 'bmp',
        'image/ms-bmp'                                                              => 'bmp',
        'image/x-ms-bmp'                                                            => 'bmp',
        'application/bmp'                                                           => 'bmp',
        'application/x-bmp'                                                         => 'bmp',
        'application/x-win-bitmap'                                                  => 'bmp',
        'application/cdr'                                                           => 'cdr',
        'application/coreldraw'                                                     => 'cdr',
        'application/x-cdr'                                                         => 'cdr',
        'application/x-coreldraw'                                                   => 'cdr',
        'image/cdr'                                                                 => 'cdr',
        'image/x-cdr'                                                               => 'cdr',
        'zz-application/zz-winassoc-cdr'                                            => 'cdr',
        'application/mac-compactpro'                                                => 'cpt',
        'application/pkix-crl'                                                      => 'crl',
        'application/pkcs-crl'                                                      => 'crl',
        'application/x-x509-ca-cert'                                                => 'crt',
        'application/pkix-cert'                                                     => 'crt',
        'text/css'                                                                  => 'css',
        'text/x-comma-separated-values'                                             => 'csv',
        'text/comma-separated-values'                                               => 'csv',
        'application/vnd.msexcel'                                                   => 'csv',
        'application/x-director'                                                    => 'dcr',
        'application/vnd.openxmlformats-officedocument.wordprocessingml.document'   => 'docx',
        'application/x-dvi'                                                         => 'dvi',
        'message/rfc822'                                                            => 'eml',
        'application/x-msdownload'                                                  => 'exe',
        'video/x-f4v'                                                               => 'f4v',
        'audio/x-flac'                                                              => 'flac',
        'video/x-flv'                                                               => 'flv',
        'image/gif'                                                                 => 'gif',
        'application/gpg-keys'                                                      => 'gpg',
        'application/x-gtar'                                                        => 'gtar',
        'application/x-gzip'                                                        => 'gzip',
        'application/mac-binhex40'                                                  => 'hqx',
        'application/mac-binhex'                                                    => 'hqx',
        'application/x-binhex40'                                                    => 'hqx',
        'application/x-mac-binhex40'                                                => 'hqx',
        'text/html'                                                                 => 'html',
        'image/x-icon'                                                              => 'ico',
        'image/x-ico'                                                               => 'ico',
        'image/vnd.microsoft.icon'                                                  => 'ico',
        'text/calendar'                                                             => 'ics',
        'application/java-archive'                                                  => 'jar',
        'application/x-java-application'                                            => 'jar',
        'application/x-jar'                                                         => 'jar',
        'image/jp2'                                                                 => 'jp2',
        'video/mj2'                                                                 => 'jp2',
        'image/jpx'                                                                 => 'jp2',
        'image/jpm'                                                                 => 'jp2',
        'image/jpeg'                                                                => 'jpeg',
        'image/pjpeg'                                                               => 'jpeg',
        'application/x-javascript'                                                  => 'js',
        'application/json'                                                          => 'json',
        'text/json'                                                                 => 'json',
        'application/vnd.google-earth.kml+xml'                                      => 'kml',
        'application/vnd.google-earth.kmz'                                          => 'kmz',
        'text/x-log'                                                                => 'log',
        'audio/x-m4a'                                                               => 'm4a',
        'audio/mp4'                                                                 => 'm4a',
        'application/vnd.mpegurl'                                                   => 'm4u',
        'audio/midi'                                                                => 'mid',
        'application/vnd.mif'                                                       => 'mif',
        'video/quicktime'                                                           => 'mov',
        'video/x-sgi-movie'                                                         => 'movie',
        'audio/mpeg'                                                                => 'mp3',
        'audio/mpg'                                                                 => 'mp3',
        'audio/mpeg3'                                                               => 'mp3',
        'audio/mp3'                                                                 => 'mp3',
        'video/mp4'                                                                 => 'mp4',
        'video/mpeg'                                                                => 'mpeg',
        'application/oda'                                                           => 'oda',
        'audio/ogg'                                                                 => 'ogg',
        'video/ogg'                                                                 => 'ogg',
        'application/ogg'                                                           => 'ogg',
        'application/x-pkcs10'                                                      => 'p10',
        'application/pkcs10'                                                        => 'p10',
        'application/x-pkcs12'                                                      => 'p12',
        'application/x-pkcs7-signature'                                             => 'p7a',
        'application/pkcs7-mime'                                                    => 'p7c',
        'application/x-pkcs7-mime'                                                  => 'p7c',
        'application/x-pkcs7-certreqresp'                                           => 'p7r',
        'application/pkcs7-signature'                                               => 'p7s',
        'application/pdf'                                                           => 'pdf',
        'application/octet-stream'                                                  => 'pdf',
        'application/x-x509-user-cert'                                              => 'pem',
        'application/x-pem-file'                                                    => 'pem',
        'application/pgp'                                                           => 'pgp',
        'application/x-httpd-php'                                                   => 'php',
        'application/php'                                                           => 'php',
        'application/x-php'                                                         => 'php',
        'text/php'                                                                  => 'php',
        'text/x-php'                                                                => 'php',
        'application/x-httpd-php-source'                                            => 'php',
        'image/png'                                                                 => 'png',
        'image/x-png'                                                               => 'png',
        'application/powerpoint'                                                    => 'ppt',
        'application/vnd.ms-powerpoint'                                             => 'ppt',
        'application/vnd.ms-office'                                                 => 'ppt',
        'application/msword'                                                        => 'ppt',
        'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'pptx',
        'application/x-photoshop'                                                   => 'psd',
        'image/vnd.adobe.photoshop'                                                 => 'psd',
        'audio/x-realaudio'                                                         => 'ra',
        'audio/x-pn-realaudio'                                                      => 'ram',
        'application/x-rar'                                                         => 'rar',
        'application/rar'                                                           => 'rar',
        'application/x-rar-compressed'                                              => 'rar',
        'audio/x-pn-realaudio-plugin'                                               => 'rpm',
        'application/x-pkcs7'                                                       => 'rsa',
        'text/rtf'                                                                  => 'rtf',
        'text/richtext'                                                             => 'rtx',
        'video/vnd.rn-realvideo'                                                    => 'rv',
        'application/x-stuffit'                                                     => 'sit',
        'application/smil'                                                          => 'smil',
        'text/srt'                                                                  => 'srt',
        'image/svg+xml'                                                             => 'svg',
        'application/x-shockwave-flash'                                             => 'swf',
        'application/x-tar'                                                         => 'tar',
        'application/x-gzip-compressed'                                             => 'tgz',
        'image/tiff'                                                                => 'tiff',
        'text/plain'                                                                => 'txt',
        'text/x-vcard'                                                              => 'vcf',
        'application/videolan'                                                      => 'vlc',
        'text/vtt'                                                                  => 'vtt',
        'audio/x-wav'                                                               => 'wav',
        'audio/wave'                                                                => 'wav',
        'audio/wav'                                                                 => 'wav',
        'application/wbxml'                                                         => 'wbxml',
        'video/webm'                                                                => 'webm',
        'image/webp'                                                                => 'webp',
        'audio/x-ms-wma'                                                            => 'wma',
        'application/wmlc'                                                          => 'wmlc',
        'video/x-ms-wmv'                                                            => 'wmv',
        'video/x-ms-asf'                                                            => 'wmv',
        'application/xhtml+xml'                                                     => 'xhtml',
        'application/excel'                                                         => 'xl',
        'application/msexcel'                                                       => 'xls',
        'application/x-msexcel'                                                     => 'xls',
        'application/x-ms-excel'                                                    => 'xls',
        'application/x-excel'                                                       => 'xls',
        'application/x-dos_ms_excel'                                                => 'xls',
        'application/xls'                                                           => 'xls',
        'application/x-xls'                                                         => 'xls',
        'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'         => 'xlsx',
        'application/vnd.ms-excel'                                                  => 'xlsx',
        'application/xml'                                                           => 'xml',
        'text/xml'                                                                  => 'xml',
        'text/xsl'                                                                  => 'xsl',
        'application/xspf+xml'                                                      => 'xspf',
        'application/x-compress'                                                    => 'z',
        'application/x-zip'                                                         => 'zip',
        'application/zip'                                                           => 'zip',
        'application/x-zip-compressed'                                              => 'zip',
        'application/s-compressed'                                                  => 'zip',
        'multipart/x-zip'                                                           => 'zip',
        'text/x-scriptzsh'                                                          => 'zsh',
    ];

    return isset($mime_map[$mime]) ? $mime_map[$mime] : false;
}

// --TODO not used
/*
function filenameNorm ($str = '')
{
    $str = strip_tags($str); 
    $str = preg_replace('/[\r\n\t ]+/', ' ', $str);
    $str = preg_replace('/[\"\*\/\:\<\>\?\'\|]+/', ' ', $str);
    $str = strtolower($str);
    $str = html_entity_decode( $str, ENT_QUOTES, "utf-8" );
    $str = htmlentities($str, ENT_QUOTES, "utf-8");
    $str = preg_replace("/(&)([a-z])([a-z]+;)/i", '$2', $str);
    $str = str_replace(' ', '-', $str);
    $str = rawurlencode($str);
    $str = str_replace('%', '-', $str);
    return $str;
}
*/
?>