system/files/files.php

84 lines
3.2 KiB
PHP

<?php
namespace SYSTEM\FILES;
class files {
private static $folders = array(); //only strings! array(catname => path)
public static function registerFolder($path, $cat) {
self::$folders[$cat] = $path;}
public static function get($cat = null, $id = null, $returnasjson = false) {
if (!$cat) {
return $returnasjson ? \SYSTEM\LOG\JsonResult::toString(self::$folders) : self::$folders;}
if (!array_key_exists($cat, self::$folders)) {
throw new \SYSTEM\LOG\ERROR("No matching Cat '" . $cat . "' found.");}
$folder = self::getFolder(self::$folders[$cat]);
if ($id == null) {
return $returnasjson ? \SYSTEM\LOG\JsonResult::toString($folder) : $folder;}
if (!in_array($id, $folder)) {
throw new \SYSTEM\LOG\ERROR("No matching ID '" . $id . "' found.");}
$ext = pathinfo(self::$folders[$cat].$id);
$ext = strtoupper(array_key_exists('extension', $ext) ? $ext['extension'] : '');
if(\SYSTEM\HEADER::available($ext)){
call_user_func('\SYSTEM\HEADER::'.$ext);
}else{
\SYSTEM\HEADER::FILE($id);}
//Allow Caching for all files
header('Cache-Control: public;');
if(!self::file_get_contents_chunked(self::$folders[$cat].$id,4096,function($chunk,&$handle,$iteration){echo $chunk;})){
throw new \SYSTEM\LOG\ERROR("Could not transfere File.");}
return;
}
public static function put($cat, $id, $contents) {
if (!array_key_exists($cat, self::$folders)) {
throw new \SYSTEM\LOG\ERROR("No matching Cat '" . $cat . "' found.");}
return move_uploaded_file($contents, self::$folders[$cat].$id);
}
public static function delete($cat, $id) {
if (!array_key_exists($cat, self::$folders)) {
throw new \SYSTEM\LOG\ERROR("No matching Cat '" . $cat . "' found.");}
if(!file_exists(self::$folders[$cat].$id)){
return false;}
return unlink(self::$folders[$cat].$id);
}
public static function rename($cat, $id, $newid) {
if (!array_key_exists($cat, self::$folders)) {
throw new \SYSTEM\LOG\ERROR("No matching Cat '" . $cat . "' found.");}
if(!file_exists(self::$folders[$cat].$id)){
return false;}
$ext = pathinfo(self::$folders[$cat].$id);
return rename(self::$folders[$cat].$id, self::$folders[$cat].$newid.'.'.$ext['extension']);
}
private static function getFolder($folder) {
$files = array();
foreach (glob($folder.'*') as $file) {
$files[] = basename($file);}
return $files;
}
public static function getURL($cat, $id = null) {
return \SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CONFIG_PATH_BASEURL) . 'api.php?call=files&cat=' . $cat . '&id=' . $id;}
private static function file_get_contents_chunked($file,$chunk_size,$callback)
{
$handle = fopen($file, "r");
$i = 0;
while (!feof($handle))
{
call_user_func_array($callback,array(fread($handle,$chunk_size),&$handle,$i));
$i++;
}
fclose($handle);
return true;
}
}