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<?php
/**
* Archiv backend connector file
*
* @id: $Id: connector.php,v 1.5 2009/10/27 20:15:55 wvankuipers Exp $
* @version 1.0
* @author Wouter van Kuipers (Archiv@pwnd.nl)
* @copyright 2008-2009 PWND
* @license LGPL
* @see http://archiv.pwnd.nl
*/
# Error reportings
error_reporting(-1);
class Archiv{
var $data; # all post/get/file data set by function getParameters
var $settings = array(); # holds all the configuration settings
var $language = array(); # holds all the language lines
/**
* Archiv constructor
* @return void
*/
function Archiv(){
# get the parameters
$this->loadParameters();
# get settings
if(!empty($this->data['settings_file'])){
$this->loadSettings($this->data['settings_file']);
}
else{
$this->output(array('message'=>'No config file defined!'));
}
$this->loadLanguageFile();
if(isset($this->data['get'])){
switch($this->data['get']){
case "settings":
$this->getSettings();
break;
case "dirList":
$this->getDirectoryList();
break;
case "dirContent":
$this->getDirectoryContent();
break;
default:
break;
}
}
elseif(isset($this->data['doAction'])){
switch($this->data['doAction']){
case "addDirectory":
$this->addDirectory();
break;
case "addFile":
$this->addFile();
break;
case "deleteFile":
$this->deleteFile();
break;
case "deleteDirectory":
$this->deleteDirectory();
break;
default:
break;
}
}
}
/**
* Get all the parameters from post data
* @todo escape input
* @return void
*/
function loadParameters(){
$this->data = $_POST;
}
/**
* Load the settings from a given settings file
* @param string $settingsFile the location of the settings file
* @return void
*/
function loadSettings($settingsFile){
if(is_file($settingsFile) && is_readable($settingsFile)){
require_once($settingsFile);
$this->settings = $s;
}
else{
$this->output(array('message'=>'Could not read config file!'));
}
}
/**
* Get all the language lines
* @return void
*/
function loadLanguageFile(){
if(is_file('..'. DIRECTORY_SEPARATOR . 'langs'. DIRECTORY_SEPARATOR . $this->settings['language'].".php")){
require_once('..'. DIRECTORY_SEPARATOR . 'langs'. DIRECTORY_SEPARATOR . $this->settings['language'].".php");
$this->language = $lang;
}
else{
$this->output(array('message'=>'Cannot include language file `..'. DIRECTORY_SEPARATOR . 'langs'. DIRECTORY_SEPARATOR . $this->settings['language'].".php"."`"));
}
}
/**
* Output the settings to the browser
* @return void
*/
function getSettings(){
$settings = array('Archiv_path' =>$this->settings['upload_uri'],
'Archiv_files' =>$this->settings['selectable_files'],
'Archiv_image_files' =>$this->settings['selectable_images'],
'Archiv_file_size_limit' =>$this->settings['size_limit'],
'Archiv_file_upload_limit' =>$this->settings['upload_limit'],
'Archiv_debug' =>($this->settings['debug'] === true) ? 'true' : 'false',
);
$this->output($settings);
}
/**
* Add a directory to the current selected directory or to the root if no directory selected
* @return void
*/
function addDirectory(){
$file = !empty($this->data['dirName']) ? $this->data['dirName'] : null;
$path = $this->getFullPath($this->data['dirRoot']);
if( is_dir($path) && is_writable($path)){
if(!is_dir($path . $file)){
if(mkdir($path . $file)){
$this->output(array('message'=>"ok"));
}
else{
$this->output(array('message'=>$this->language['ErrorCreatingDirectory']));
}
}
else{
$this->output(array('message'=>$this->language['ErrorDirectoryAlreadyExists']));
}
}
else{
$this->output(array('message'=>$this->language['ErrorUnableToReadPath']." `".$path."`"));
}
}
/**
* Function to upload a file to the current selected directory or to the root if no directory selected
* @return true on success else false
*/
function addFile(){
# Check the upload
if (!isset($_FILES["Filedata"]) || !is_uploaded_file($_FILES["Filedata"]["tmp_name"]) || $_FILES["Filedata"]["error"] != 0) {
header("HTTP/1.1 500 Internal Server Error");
$this->output(array('message'=>$this->language['ErrorInvalidUpload']));
}
# set filename and complete path
$path = $this->getFullPath($this->data['path']);
$file['name'] = $path . $_FILES["Filedata"]['name'];
# check if file exists
if(file_exists($file['name'])){
$this->output(array('message'=>$this->language['ErrorFileAlreadyExists']));
}
#move file to upload dir
$move = move_uploaded_file($_FILES["Filedata"]['tmp_name'], $file['name']);
#get the info of the image
list($width, $height) = @getimagesize($file['name']);
$mime_type = $this->returnMIMEType($file['name']);
#check if it is a picture
if(in_array($mime_type,$this->settings['allowed_image_mime']) && $this->data['browser']=="images"){
#picture
$img['p_width'] = $width;
$img['p_height'] = $height;
#thumb
$img['i_width'] = $img['p_width'];
$img['i_height'] = $img['p_height'];
#scale the image if needed
if(($img['p_width'] > $this->settings['max_image_size']) || ($img['p_height'] > $this->settings['max_image_size'])){
if($img['p_width'] > $img['p_height']){
$image_width = $this->settings['max_image_size'];
$image_height = round(($this->settings['max_image_size']/$img['i_width'])*$img['i_height']);
}
else{
$image_width = round(($this->settings['max_image_size']/$img['i_height'])*$img['i_width']);
$image_height = $this->settings['max_image_size'];
}
$img['p_width'] = $image_width;
$img['p_height'] = $image_height;
}
# resize the thumb
if($img['i_width'] > $img['i_height']){
$image_small_width = $this->settings['max_image_thumb_size'];
$image_small_height = round(($this->settings['max_image_thumb_size']/$img['i_width'])*$img['i_height']);
}
else{
$image_small_width = round(($this->settings['max_image_thumb_size']/$img['i_height'])*$img['i_width']);
$image_small_height = $this->settings['max_image_thumb_size'];
}
$img['i_width'] = $image_small_width;
$img['i_height'] = $image_small_height;
switch($mime_type){
case "image/jpg":
$this->create_jpg($file['name'], $width, $height, $img['p_width'], $img['p_height'], $img['i_width'], $img['i_height']);
break;
case "image/png":
$this->create_png($file['name'], $width, $height, $img['p_width'], $img['p_height'], $img['i_width'], $img['i_height']);
break;
case "image/gif":
$this->create_gif($file['name'], $width, $height, $img['p_width'], $img['p_height'], $img['i_width'], $img['i_height']);
break;
default:
break;
}
}
# else check if the file has the right mime-type
elseif(!in_array($mime_type,$this->settings['allowed_file_mime']) && $this->data['browser'] == "files" ||
!in_array($mime_type,$this->settings['allowed_image_mime']) && $this->data['browser']=="images"){
$unlink = unlink($file['name']);
$this->output(array('message'=>$this->language['ErrorWrongMimeType'].' `'.$mime_type.'`'));
}
$this->output(array('message'=>"ok"));
}
/**
* Create a resized image from a jpg file
* @param string $file the location of the image
* @param int $width the width of the origional image
* @param int $height the height of the origional image
* @param int $pic_new_width the new width for the image
* @param int $pic_new_height the new height for the image
* @param int $thumb_width the width for the thumb image
* @param int $thumb_height the height for the thumb image
* @return void
*/
function create_jpg($file, $width, $height, $pic_new_width, $pic_new_height, $thumb_width, $thumb_height){
#fetch the extention from the file
$file_path = substr($file,0,strrpos($file,DIRECTORY_SEPARATOR));
$file_name = substr($file,strlen($file_path)+1, (strrpos($file,".")-(strlen($file_path)+1)));
$file_ext = substr($file,strrpos($file,"."));
#create the picture
$pic = imagecreatetruecolor($pic_new_width, $pic_new_height);
$source = imagecreatefromjpeg($file);
$imgcpyrsmpld = imagecopyresampled( $pic, $source, 0, 0, 0, 0, $pic_new_width, $pic_new_height, $width, $height );
$imagejpeg = imagejpeg($pic, $file_path.DIRECTORY_SEPARATOR.$file_name.$file_ext, 100);
$imagedestroy = imagedestroy($pic);
list($width, $height) = @getimagesize($file);
#create the thumb
$thumb = imagecreatetruecolor($thumb_width, $thumb_height);
$source2 = imagecreatefromjpeg( $file );
$imgcpyrsmpld2 = imagecopyresampled( $thumb, $source2, 0, 0, 0, 0, $thumb_width, $thumb_height, $width, $height );
$imagejpeg2 = imagejpeg($thumb, $file_path.DIRECTORY_SEPARATOR.$file_name.'_thumb'.$file_ext, 100);
$imagedestroy2 = imagedestroy($thumb);
}
/**
* Create a resized image from a gif file
* @param string $file the location of the image
* @param int $width the width of the origional image
* @param int $height the height of the origional image
* @param int $pic_new_width the new width for the image
* @param int $pic_new_height the new height for the image
* @param int $thumb_width the width for the thumb image
* @param int $thumb_height the height for the thumb image
* @return void
*/
function create_gif($file, $width, $height, $pic_new_width, $pic_new_height, $thumb_width, $thumb_height){
#fetch the extention from the file
$file_path = substr($file,0,strrpos($file,DIRECTORY_SEPARATOR));
$file_name = substr($file,strlen($file_path)+1, (strrpos($file,".")-(strlen($file_path)+1)));
$file_ext = substr($file,strrpos($file,"."));
#create the picture
$pic = imagecreatetruecolor($pic_new_width, $pic_new_height);
$source = imagecreatefromgif($file);
$imgcpyrsmpld = imagecopyresampled( $pic, $source, 0, 0, 0, 0, $pic_new_width, $pic_new_height, $width, $height );
$imagegif = imagegif($pic, $file_path.DIRECTORY_SEPARATOR.$file_name.$file_ext);
$imagedestroy = imagedestroy($pic);
list($width, $height) = @getimagesize($file);
#create the thumb
$thumb = imagecreatetruecolor($thumb_width, $thumb_height);
$source2 = imagecreatefromgif( $file );
$imgcpyrsmpld2 = imagecopyresampled( $thumb, $source2, 0, 0, 0, 0, $thumb_width, $thumb_height, $width, $height );
$imagegif2 = imagegif($thumb, $file_path.DIRECTORY_SEPARATOR.$file_name.'_thumb'.$file_ext);
$imagedestroy2 = imagedestroy($thumb);
}
/**
* Create a resized image from a png file
* @param string $file the location of the image
* @param int $width the width of the origional image
* @param int $height the height of the origional image
* @param int $pic_new_width the new width for the image
* @param int $pic_new_height the new height for the image
* @param int $thumb_width the width for the thumb image
* @param int $thumb_height the height for the thumb image
* @return void
*/
function create_png($file, $width, $height, $pic_new_width, $pic_new_height, $thumb_width, $thumb_height){
#fetch the extention from the file
$file_path = substr($file,0,strrpos($file,DIRECTORY_SEPARATOR));
$file_name = substr($file,strlen($file_path)+1, (strrpos($file,".")-(strlen($file_path)+1)));
$file_ext = substr($file,strrpos($file,"."));
#create the picture
$pic = imagecreatetruecolor($pic_new_width, $pic_new_height);
$source = imagecreatefrompng($file);
$imgcpyrsmpld = imagecopyresampled( $pic, $source, 0, 0, 0, 0, $pic_new_width, $pic_new_height, $width, $height );
if(version_compare(PHP_VERSION, '5.1.2', '<')){
$imagepng = imagepng($pic, $file_path.DIRECTORY_SEPARATOR.$file_name.$file_ext);
}
else{
$imagepng = imagepng($pic, $file_path.DIRECTORY_SEPARATOR.$file_name.$file_ext, 0);
}
$imagedestroy = imagedestroy($pic);
list($width, $height) = @getimagesize($file);
#create the thumb
$thumb = imagecreatetruecolor($thumb_width, $thumb_height);
$source2 = imagecreatefrompng( $file );
$imgcpyrsmpld2 = imagecopyresampled( $thumb, $source2, 0, 0, 0, 0, $thumb_width, $thumb_height, $width, $height );
if(version_compare(PHP_VERSION, '5.1.2', '<')){
$imagepng2 = imagepng($thumb, $file_path.DIRECTORY_SEPARATOR.$file_name.'_thumb'.$file_ext);
}
else{
$imagepng2 = imagepng($thumb, $file_path.DIRECTORY_SEPARATOR.$file_name.'_thumb'.$file_ext, 0);
}
$imagedestroy2 = imagedestroy($thumb);
}
/**
* Return file MIME type
* @param string $filename the location of the file
* @return string $image file type
*/
function returnMIMEType($filename)
{
preg_match("|\.([a-z0-9]{2,4})$|i", $filename, $fileSuffix);
switch(strtolower($fileSuffix[1]))
{
case "js" :
return "application/x-javascript";
case "json" :
return "application/json";
case "jpg" :
case "jpeg" :
case "jpe" :
return "image/jpg";
case "png" :
case "gif" :
case "bmp" :
case "tiff" :
return "image/".strtolower($fileSuffix[1]);
case "css" :
return "text/css";
case "xml" :
return "application/xml";
case "doc" :
case "docx" :
return "application/msword";
case "xls" :
case "xlt" :
case "xlm" :
case "xld" :
case "xla" :
case "xlc" :
case "xlw" :
case "xll" :
return "application/vnd.ms-excel";
case "ppt" :
case "pps" :
return "application/vnd.ms-powerpoint";
case "rtf" :
return "application/rtf";
case "pdf" :
return "application/pdf";
case "html" :
case "htm" :
case "php" :
return "text/html";
case "txt" :
return "text/plain";
case "mpeg" :
case "mpg" :
case "mpe" :
return "video/mpeg";
case "mp3" :
return "audio/mpeg3";
case "wav" :
return "audio/wav";
case "aiff" :
case "aif" :
return "audio/aiff";
case "avi" :
return "video/msvideo";
case "wmv" :
return "video/x-ms-wmv";
case "mov" :
return "video/quicktime";
case "zip" :
return "application/zip";
case "tar" :
return "application/x-tar";
case "swf" :
return "application/x-shockwave-flash";
default :
if(function_exists("mime_content_type"))
{
$fileSuffix = mime_content_type($filename);
}
return "unknown/" . trim($fileSuffix[0], ".");
}
}
/**
* Delete a given file
* @return void
*/
function deleteFile(){
$file = isset($this->data['fileName']) ? $this->data['fileName'] : null;
$path = $this->getFullPath($this->data['fileRoot']);
if(!is_dir($path . $file) && is_file($path . $file)){
if(unlink($path . $file)){
#check for a thumb
$file_name = substr($file,0,strrpos($file,"."));
$file_ext = substr($file,strrpos($file,"."));
if(is_file($path . $file_name."_thumb".$file_ext)){
if(!unlink($path . $file_name."_thumb".$file_ext)){
$this->output(array('message'=>$this->language['ErrorRemoveingThumb']));
}
}
$this->output(array('message'=>"ok"));
}
else{
$this->output(array('message'=>$this->language['ErrorRemoveingFile']));
}
}
else{
$this->output(array('message'=>$this->language['ErrorNoFile']." `".$path .$file."`!"));
}
}
/**
* Delete a given directory
* @return void
*/
function deleteDirectory(){
$path = $this->getFullPath($this->data['fileRoot']);
if(is_dir($path)){
#empty the dir
$this->removeDirectoryContentRecursive($path);
if(@rmdir($path)){
$this->output(array('message'=>"ok"));
}
else{
$this->output(array('message'=>$this->language['ErrorRemovingDirectory']));
}
}
else{
$this->output(array('message'=>$this->language['ErrorNoDirectory']." `".$path."`!"));
}
}
/**
* Remove all the direcorys and files from the given directory recursivly
* @param string $path path to the directory
* @return null
*/
function removeDirectoryContentRecursive($path){
if ($dh = opendir($path)) {
while (($file = readdir($dh)) !== false) {
if($file != "." && $file != ".."){
if(is_file($path . $file))
unlink($path . $file);
elseif(is_dir($path . $file)){
$this->removeDirectoryContentRecursive($path . $file . DIRECTORY_SEPARATOR);
rmdir($path . $file);
}
}
}
closedir($dh);
}
}
/**
* Get the dir listning from the root
* @return void
*/
function getDirectoryList(){
$ndirs = array();
$path = $this->getFullPath();
$dirs = $this->readDirectoryList($path, 1);
$root = null;
$this->output(array("dirlist"=>$dirs));
if(is_array($dirs)){
$nr = 0;
foreach($dirs as $dir){
if(is_array($dir)){
$ndirs[$nr-1] = array("0"=>$root,"1"=>$dir);
}
else{
$root = $dir;
$ndirs[$nr] = array("0"=>$root);
}
$nr++;
}
$this->output(array("dirlist"=>$ndirs));
}
else{
$this->output(array("dirlist"=>array()));
}
}
/**
* Reads dir list
* @param string $dir location of a dir
* @param int $hd current dir if 1 else a subdir
* @return array of dirs
*/
function readDirectoryList($dir, $hd = 1)
{
static $i = 0;
static $h_dir;
$files = Array();
if(false !== ($handle = @opendir($dir))){
$h_dir = ($hd == 0) ? $h_dir : $dir;
while (false !== ($file = readdir($handle)))
{
if ($file != "." && $file != ".." && $file != "" && $file{0} != "." && is_dir($dir . $file))
{
$val = $file;
if (is_dir($dir . $file))
{
if($this->readDirectoryList($dir . $file . DIRECTORY_SEPARATOR, 0) != false)
$val = array($file, $this->readDirectoryList($dir . $file . DIRECTORY_SEPARATOR, 0));
}
$files[] = $val;
}
}
closedir($handle);
return !empty($files) ? $files : false;
}
return false;
}
/**
* Get the content of a dir
* @return void
*/
function getDirectoryContent(){
$dircontent = array();
$this->data['directoryRoot'] = str_replace('/',DIRECTORY_SEPARATOR,$this->data['directoryRoot']);
$path = $this->getFullPath($this->data['directoryRoot']);
# get a array of the files in this directory
$files = $this->readDirectoryContent($path);
if(is_array($files)){
foreach($files as $file){
$dirName = (substr($this->data['directoryRoot'], 1) != '') ? substr($this->data['directoryRoot'], 1) . DIRECTORY_SEPARATOR : '';
$dircontent[] = $this->readFilePropertys($dirName . $file);
}
}
$this->output(array("dircontent"=>$dircontent));
}
/**
* Read the content of a dir (recursive!)
* @param string $dir location of the current directory
* @return array of files that are in the dir
*/
function readDirectoryContent($dir){
$i = 0;
$files = Array();
if(is_dir($dir)){
$handle = opendir($dir);
while (false !== ($file = readdir($handle)))
{
if ($file != "." && $file != ".." && $file != "" && $file{0} != "." && is_file($dir . $file) && strpos($file,"_thumb.") === false)
{
# if we are in image mode make sure we are only displaying images!
if($this->data['browser'] == "images"){
$parts = @getimagesize($dir . $file);
if(in_array($parts['mime'], $this->settings['allowed_image_mime']))
$files[$i++] = $file;
}
else{
$files[$i++] = $file;
}
}
}
closedir($handle);
return $files;
}
return false;
}
/**
* Read the property of a file
* @param string $file location of the file
* @return array of fileproperty's
*/
function readFilePropertys($file){
$name = basename($file);
$short_name = (strlen($name) > 15 ) ? substr($name, 0, 12)."..." : $name;
$pathinfo = pathinfo($this->getFullPath() .$file);
$thumb = $pathinfo['filename'] . "_thumb." . $pathinfo['extension'];
$type = $this->returnMIMEType($file);
$fileSize = array_reduce ( array (" B", " KB", " MB"), create_function ( '$a,$b', 'return is_numeric($a)?($a>=1024?$a/1024:number_format($a,2).$b):$a;' ), filesize($this->getFullPath() . $file));
$imageSize = "-";
list($width, $height) = @getimagesize($this->getFullPath() . $file);
if(isset($width) && isset($height)){
$imageSize = $width." x ".$height." px";
}
$dir = dirname($file) != '.' && dirname($file) != DIRECTORY_SEPARATOR ? dirname($file) . DIRECTORY_SEPARATOR : '';
if(!is_file($this->getFullPath() . $dir . $thumb)){
$thumb = 'img/fileBackground.jpg';
}
else{
$dir = ($dir != '') ? str_replace(DIRECTORY_SEPARATOR, '/', $dir) . '/' : '';
$thumb = $this->settings['upload_uri'] . $dir . $thumb;
}
return array("short_name" => $short_name,
"name" => $name,
"thumb" => $thumb,
"type" => $type,
"fileSize" => $fileSize,
"imageSize" => $imageSize,
);
}
/**
* Return the full path to the upload directory
* @param string $subdir [optional] subdirectory to add to the path
* @return the full path to the upload directory
*/
function getFullPath($subdir = null){
$path = '';
# if root return uploadpath
if($subdir == '/' || empty($subdir)){
return $this->settings['upload_path'];
}
else{
# strip first /
$subdir = substr($subdir, 1);
# replace / with directory seperator
$subdir = str_replace('/', DIRECTORY_SEPARATOR, $subdir);
return $this->settings['upload_path'] . $subdir . DIRECTORY_SEPARATOR;
}
}
/**
* Send JSON output to the browser
* @param array $data data to encode
* @return void
*/
function output($data){
header('Content-type: application/x-json');
die(json_encode($data));
}
}
$Archiv = new Archiv;
?>