<?php
/**
* Ant0ha's project
*
* @package
* @author Ant0ha, ICQ: 144-144-2, e-mail: [email protected]
* @copyright Copyright (c) 2006 - 2010, Ant0ha
* @license http://ant0ha.ru/license.txt
* @link http://ant0ha.ru
*/
//---------------------------------------------
defined('IN_SYSTEM') or die('<b>403<br />Запрет доступа!</b>');
/**
* Хелпер загрузок
*/
class downloads {
/**
* @desc получение реального пути к папке
* @param $int
*/
public static function get_path($directory_id, &$db, $directory_path = array(), $i = 0) {
$parent = $db->get_row("SELECT * FROM #__downloads_directories WHERE
directory_id = (SELECT parent_id FROM #__downloads_directories WHERE directory_id = '". intval($directory_id) ."')
");
$i++;
if($parent['directory_id'] != 0) {
$directory_path[$i]['directory_id'] = $parent['directory_id'];
$directory_path[$i]['name'] = $parent['name'];
$directory_path = self::get_path($parent['directory_id'], $db, $directory_path, $i);
}
return $directory_path;
}
/**
* @desc получение полного пути к папке
* @param $array
*/
public static function get_realpath($directories_array) {
if(empty($directories_array)) return;
foreach($directories_array AS $directory) {
$directory_path[] = $directory['directory_id'];
}
if(count($directory_path) > 1) {
$realpath = array_reverse($directory_path);
$realpath = implode('/', $realpath);
}
else {
$realpath = $directory_path[0];
}
return $realpath;
}
/**
* @desc получение полного пути к папке
* @param $array
*/
public static function get_namepath($directories_array, $delim = '/', $admin = FALSE) {
if(empty($directories_array)) return;
$segment = $admin ? 'downloads/admin' : 'downloads';
foreach($directories_array AS $directory) {
$directory_path[] = '<a href="'. a_url($segment, 'directory_id='. $directory['directory_id']) .'">'. $directory['name'] .'</a>';
}
if(count($directory_path) > 1) {
$realpath = array_reverse($directory_path);
$realpath = implode($delim, $realpath);
}
else {
$realpath = $directory_path[0];
}
return $realpath;
}
/**
* @desc скачка файла
* @param $string, $string
*/
public static function force_download($filename = '', $data = '', $prefix = '', $attachment = TRUE)
{
if ($filename == '' OR $data == '')
{
return FALSE;
}
// Try to determine if the filename includes a file extension.
// We need it in order to set the MIME type
if (FALSE === strpos($filename, '.'))
{
return FALSE;
}
// Grab the file extension
$x = explode('.', $filename);
$extension = end($x);
// Load the mime types
@include(ROOT .'utils/mimes.php');
// Set a default mime if we can't find it
if ( ! isset($mimes[$extension]))
{
$mime = 'application/octet-stream';
}
else
{
$mime = (is_array($mimes[$extension])) ? $mimes[$extension][0] : $mimes[$extension];
}
if(!$attachment) {
//exit($mime);
header('Content-Type: '.$mime);
header("Content-Length: ".strlen($data));
}
else {
// Generate the server headers
if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE"))
{
header('Content-Type: '.$mime);
header('Content-Disposition: attachment; filename='.$prefix . $filename);
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header("Content-Transfer-Encoding: binary");
header('Pragma: public');
header("Content-Length: ".strlen($data));
}
else
{
header('Content-Type: '.$mime);
header('Content-Disposition: attachment; filename='.$prefix . $filename);
header("Content-Transfer-Encoding: binary");
header('Expires: 0');
header('Pragma: no-cache');
header("Content-Length: ".strlen($data));
}
}
exit($data);
}
/**
* @desc Рекурсивный подсчет файлов в папке
* @param $string
*/
public static function count_files($directory_id) {
$db = Registry::get('db');
$files = $db->get_one("SELECT COUNT(*) FROM #__downloads_files WHERE directory_id = '". intval($directory_id) ."' AND real_name != ''");
$result = $db->query("SELECT * FROM #__downloads_directories WHERE parent_id = '". intval($directory_id) ."'");
while($cild_directory = $db->fetch_array($result)) {
$files += self::count_files($cild_directory['directory_id']);
}
return $files;
}
/**
* @desc определение имени файла
* @param $string
*/
public static function get_filename($string) {
$headers = get_headers($string);
foreach($headers AS $header) {
if(stripos($header, 'Location:') === 0) {
$url = trim(str_ireplace('Location: ', '', $header));
return basename($url);
}
}
return false;
}
/**
* Действия над файлом
*/
public static function filetype_actions($file) {
$config = Registry::get('config');
$file_path = ROOT . $file['path_to_file'] .'/'. $file['real_name'];
if(class_exists('ffmpeg_movie')) {
# Работаем с видео файлами
if($file['file_ext'] == '3gp' || $file['file_ext'] == 'mp4' || $file['file_ext'] == 'avi') {
$ff = new ffmpeg_movie($file_path);
# Продолжительность
$duration = $ff->getDuration();
$min = floor($duration / 60);
$sec = floor($duration % 60);
$file['file_info'] = 'Продолжительность: '. ($min > 0 ? $min .' мин. ' : '') . $sec .' сек.'. PHP_EOL;
# Разрешение экрана
$w = $ff->getFrameWidth();
$h = $ff->getFrameHeight();
$file['file_info'] .= 'Разрешение: '. $w .'x'. $h . PHP_EOL;
# Создаем скрины для видео
if($config['downloads']['make_screens_from_video']) {
$frame_count = $ff->getFrameCount();
$frame_1 = floor($frame_count / 3);
$frame_2 = $frame_1 * 2;
$frame_3 = $frame_1 * 3;
$frames_arr = array(
1 => $frame_1,
2 => $frame_2,
3 => $frame_3
);
foreach($frames_arr AS $key => $frame_num) {
if($frame_num < 1) continue;
$screen_name = ROOT . $file['path_to_file'] .'/screen'. $key .'.jpg';
if(!$frame = $ff->getFrame($frame_num)) continue;
$im = $frame->toGDimage();
$im1 = imagecreatetruecolor(120,100);
imagecopyresampled($im1,$im,0,0,0,0,120,100,imagesx($im),imagesy($im));
imagejpeg($im1, $screen_name);
imagedestroy($im1);
imagedestroy($im);
$file['screen'. $key] = 'screen'. $key .'.jpg';
}
}
}
# Работаем с мп3
if($file['file_ext'] == 'mp3') {
$ff = new ffmpeg_movie($file_path);
# Продолжительность
$duration = $ff->getDuration();
$min = floor($duration / 60);
$sec = floor($duration % 60);
$file['file_info'] = 'Продолжительность: '. ($min > 0 ? $min .' мин. ' : '') . $sec .' сек.'. PHP_EOL;
# ID3 информация
$artist = $ff->getArtist();
$genre = $ff->getGenre();
if(!empty($artist)) $file['file_info'] .= 'Исполнитель: '. $artist . PHP_EOL;
if(!empty($genre)) $file['file_info'] .= 'Жанр: '. $genre . PHP_EOL;
# Битрейт и тп
$file['file_info'] .= 'Аудио: '. round($ff->getBitRate() / 1000) .' Kbps, '. ($ff->getAudioChannels() == 1 ? 'Mono' : 'Stereo') . PHP_EOL;
}
}
# Создаем превьюшки для картинок, анимаций и файлов со скринами
if($file['screen1'] != '' || $file['file_ext'] == 'png' || $file['file_ext'] == 'gif' || $file['file_ext'] == 'jpg' || $file['file_ext'] == 'jpeg') {
if($file['screen1'] != '') $src_file = ROOT . $file['path_to_file'] .'/'. $file['screen1'];
else $src_file = ROOT . $file['path_to_file'] .'/'. $file['real_name'];
# 20x20
main::image_resize($src_file, ROOT . $file['path_to_file'] .'/preview_20.jpg', 20, 20);
# 60x60
main::image_resize($src_file, ROOT . $file['path_to_file'] .'/preview_60.jpg', 60, 60);
# 100x100
main::image_resize($src_file, ROOT . $file['path_to_file'] .'/preview_100.jpg', 100, 100);
$file['previews'] = 'yes';
}
return $file;
}
/**
* Изменение данных файла в базе
*/
public static function update_file(&$db, $file_id, $file, $new_file = true) {
$db->query("UPDATE #__downloads_files SET
directory_id = '". intval($file['directory_id']) ."',
user_id = '". (!empty($file['user_id']) ? $file['user_id'] : USER_ID) ."',
name = '". ($file['name'] ? a_safe($file['name']) : a_safe(str_replace('.'. $file['file_ext'], '', $file['real_name']))) ."',
". ($new_file ? "time = UNIX_TIMESTAMP()," : "") ."
real_name = '". a_safe($file['real_name']) ."',
path_to_file = '". $file['path_to_file'] ."',
about = '". a_safe($file['about']) ."',
filesize = '". $file['filesize'] ."',
file_ext = '". strtolower($file['file_ext']) ."',
screen1 = '". a_safe($file['screen1']) ."',
screen2 = '". a_safe($file['screen2']) ."',
screen3 = '". a_safe($file['screen3']) ."',
add_file_real_name_1 = '". (!empty($file['add_file_real_name_1']) ? a_safe($file['add_file_real_name_1']) : '') ."',
add_file_real_name_2 = '". (!empty($file['add_file_real_name_2']) ? a_safe($file['add_file_real_name_2']) : '') ."',
add_file_real_name_3 = '". (!empty($file['add_file_real_name_3']) ? a_safe($file['add_file_real_name_3']) : '') ."',
add_file_real_name_4 = '". (!empty($file['add_file_real_name_4']) ? a_safe($file['add_file_real_name_4']) : '') ."',
add_file_real_name_5 = '". (!empty($file['add_file_real_name_5']) ? a_safe($file['add_file_real_name_5']) : '') ."',
previews = '". $file['previews'] ."',
status = '". a_safe($file['status']) ."',
file_info = '". a_safe($file['file_info']) ."'
WHERE
file_id = '". intval($file_id) ."'
");
}
/**
* Получение размера удаленного файла
*/
public static function get_filesize($file_path) {
$headers = get_headers($file_path, 1);
if ((!array_key_exists('Content-Length', $headers))) return false;
return $headers['Content-Length'];
}
/**
* Получение настоящего адреса файла
*/
public static function get_real_file_path($file_path) {
$headers = get_headers($file_path, 1);
if (!array_key_exists('Location', $headers)) {
return $file_path;
}
if(!strstr($headers['Location'], 'http://')) {
$url_data = parse_url($file_path);
$location = 'http://'. $url_data['host'] .'/'. $headers['Location'];
}
else $location = $headers['Location'];
return self::get_real_file_path($location);
}
/**
* Получение настоящего адреса файла
*/
public static function delete_directories($directory_id) {
$db = Registry::get('db');
$result = $db->query("SELECT * FROM #__downloads_directories WHERE parent_id = $directory_id");
while($dir = $db->fetch_array($result)) {
$db->query("DELETE FROM #__downloads_directories WHERE directory_id = ". $dir['directory_id']);
self::delete_directories($dir['directory_id']);
}
}
}
?>