<?php
/*
this class will be used for bibivu system to upload files/pictures
to the right location for each module
2005-04-20 - v.1.0
*/
class bib_upload{
var $error = array();
var $files = array();
var $file_max_size = 1048576;
var $_cfg = array();
function reset_all(){
$this->error['number'] = 0;
$this->error['text'] = '';
$this->error['fatal'] = false;
$this->files = array();
$this->file_new_name = ''; // replace the name body
$this->file_overwrite = false;
$this->file_max_size = 1048576;
$this->image_convert = ''; // convert. values :''; 'png'; 'jpeg'; 'gif'
$this->image_resize = false; // resize the image
$this->image_x = 150;
$this->image_y = 150;
$this->image_ratio = false;
$this->image_ratio_no_zoom_in = false;
$this->image_ratio_no_zoom_out = false;
}
function bib_upload($cfg){
$this->reset_all();
$this->_cfg['id'] = $cfg['id'];
$this->_cfg['depth'] = $cfg['depth'];
$this->_cfg['folder_site'] = $cfg['folder_site'];
$this->_cfg['folder_module'] = $cfg['folder_module'];
}
function add_file($file){
// print_r($this->error);
if (!$file) {
$this->set_error('1000','File upload error. Please try again.',true);
} else {
if(is_array($file['error'])){
//the files passed is an array of posts, I need to parse it
$ret = false;
foreach($file['error'] AS $key=>$value){
//I need to replace the same structure as the main array
$f1 = array();
foreach($file AS $kkey=>$vvalue){
$f1[$kkey] = $file[$kkey][$key];
}
if($ret==false){
$ret = $this->add_file($f1);
}
}
return $ret;
} elseif($file['error'] === 0){
if ($file['name'] == '') {
$this->set_error('1001','File upload error. Please try again.',true);
} elseif ($file['size'] > $this->file_max_size ) {
$this->set_error('1002','File too big.',true);
}
} else {
switch($file['error']) {
case 0:
// all is OK
break;
case 1:
$this->set_error($file['error']+2000,'File upload error (the uploaded file exceeds the upload_max_filesize directive in php.ini).',false);
break;
case 2:
$this->set_error($file['error']+2000,'File upload error (the uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the html form).',false);
break;
case 3:
$this->set_error($file['error']+2000,'File upload error (the uploaded file was only partially uploaded).',false);
break;
case 4:
$this->set_error($file['error']+2000,'File upload error (no file was uploaded).',false);
break;
default:
$this->set_error(2000,'File upload error (unknown error code).',true);
break;
}
return false;
}
}
//there has been a fatal error
if($this->error['fatal']){
return false;
} else {
$this->files[] = $file;
}
return true;
}
function new_name($which = 0, $new_name = '', $overwrite = false, $auto_rename = true){
//this function will apply to the last file uploaded
$cc = count($this->files);
if($cc == 0 || empty($this->files)){
//there are not files to rename
$this->set_error(3001,'There are not files uploaded yet.',false);
} else {
$cc--;
if($which >= 0 && $which<=$cc) $cc = $which;
//if new_name is '', I have to create a random name
if($new_name == ''){
$new_name = strtoupper(substr(md5(time()*77+57),0,10));
}
$this->files[$cc]['new_name'] = $new_name;
$this->files[$cc]['overwrite'] = $overwrite;
$this->files[$cc]['auto_rename'] = $auto_rename;
}
}
function resize($which = 0, $new_w=0, $new_h=0, $ratio = false){
//resize the image keeping the
$cc = count($this->files);
if($cc == 0 || empty($this->files)){
//there are not files to rename
$this->set_error(3001,'There are not files uploaded yet.',false);
} else {
$cc--;
if($which >= 0 && $which<=$cc) $cc = $which;
$this->files[$cc]['new_w'] = $new_w;
$this->files[$cc]['new_h'] = $new_h;
$this->files[$cc]['ratio'] = $ratio;
}
}
function is_image($which=0, $is_image=true){
//resize the image keeping the
$cc = count($this->files);
if($cc == 0 || empty($this->files)){
//there are not files to rename
$this->set_error(3001,'There are not files uploaded yet.',false);
} else {
$cc--;
if($which >= 0 && $which<=$cc) $cc = $which;
$this->files[$cc]['is_image'] = $is_image;
}
}
function process($module_code){
if($this->error['fatal']){
return false;
}
if($module_code == ''){
$this->set_error('3001','Please Pass the module code .',true);
return false;
} else {
$destpath = $this->_cfg['depth'].$this->_cfg['folder_site'].$this->_cfg['folder_module'].$module_code;
//check if the folder exist, if not, try to create it with chmod=777
if(!is_dir($destpath)){
$oldumask = umask(0);
mkdir($destpath,0777);
umask($oldumask);
if(!is_dir($destpath)){
$this->set_error('3002','Impossible to create the module folder.',true);
return false;
}
} elseif(!is_writable($destpath)) {
$this->set_error('3003','Module folder is not writable.',true);
return false;
}
$destpath .= '/';
foreach($this->files AS $key=>$file){
if(!isset($file['new_name']) || $file['new_name']==''){
$file['new_name'] = $file['name'];
}
$destfile = $destpath.$file['new_name'];
if(isset($file['is_image'])){
if(isset($file['new_w']) && isset($file['new_h'])){
//check if I have to resize the file
$image_hw = @getimagesize($file['tmp_name']);
if(isset($image_hw) && !empty($image_hw)){
$picwidth = $image_hw[0];
$picheigth = $image_hw[1];
if( ($file['new_w'] < $picwidth) ||
($file['new_h'] < $picheigth) ){
//only reduce
if(_NETPBM_PATH!=''){
require_once $this->_cfg['depth'].'files_includes/Transform.php';
$im = new Image_Transform;
$im->load($file['tmp_name']);
if($file['ratio']){
if($file['new_w'] < $picwidth){
$picheigth = (int)(($file['new_w']*100/$picwidth)*$picheigth/100);
$picwidth = $file['new_w'];
}
if($file['new_h'] < $picheigth){
$picwidth = (int)(($file['new_h']*100/$picheigth)*$picwidth/100);
$picheigth = $file['new_h'];
}
} else {
$picwidth = $file['new_w'];
$picheigth = $file['new_h'];
}
$im->resize($picwidth, $picheigth);
$destfile = $destfile.'.'.$im->getWebSafeFormat();
$destfile = $this->_check_filename($destfile,$file['overwrite'],$file['auto_rename']);
if(!$destfile){
$this->set_error(4003,'Error renaming the file.',false);
} else {
$im->save($destfile, $im->getWebSafeFormat());
$this->files[$key]['new_name'] = basename($destfile);
$im->free();
}
} else {
//is not an image or the file is not a compatible pic
$this->set_error(4002,'NETPBM path not set.',false);
}
} else {
//not resize is necessary
$destfile = $this->_check_filename($destfile,$file['overwrite'],$file['auto_rename']);
if(!$destfile){
$this->set_error(4003,'Error renaming the file.',false);
} else {
move_uploaded_file($file['tmp_name'],$destfile);
}
}
} else {
//is not an image or the file is not a compatible pic
$this->set_error(4001,'The file '.$file['name'].' is not resizable.',false);
}
} else {
//the image is not resized
if(_NETPBM_PATH!=''){
require_once $this->_cfg['depth'].'files_includes/Transform.php';
$im = new Image_Transform;
$im->load($file['tmp_name']);
$destfile = $destfile.'.'.$im->getWebSafeFormat();
$destfile = $this->_check_filename($destfile,$file['overwrite'],$file['auto_rename']);
if(!$destfile){
$this->set_error(4003,'Error renaming the file.',false);
} else {
$im->save($destfile, $im->getWebSafeFormat());
$this->files[$key]['new_name'] = basename($destfile);
$im->free();
}
$im->save($destfile, $im->getWebSafeFormat());
$this->files[$key]['new_name'] = basename($destfile);
$im->free();
} else {
$destfile = $this->_check_filename($destfile,$file['overwrite'],$file['auto_rename']);
if(!$destfile){
$this->set_error(4003,'Error renaming the file.',false);
} else {
move_uploaded_file($file['tmp_name'],$destfile);
}
}
}
} else {
//not a pic
$destfile = $this->_check_filename($destfile,$file['overwrite'],$file['auto_rename']);
if(!$destfile){
$this->set_error(4003,'Error renaming the file.',false);
} else {
move_uploaded_file($file['tmp_name'],$destfile);
}
}
if(file_exists($file['tmp_name'])){
//cleaning
@unlink($file['tmp_name']);
}
}
}
//there has been a fatal error
if($this->error['fatal']){
return false;
} else {
return $this->files;
}
}
function _check_filename($name, $overwrite, $auto_rename){
if($overwrite == false){
if(file_exists($name)){
if($auto_rename == true){
ereg('\.([^\.]*$)', $name, $ext);
$body = substr($name, 0, (strlen($name) - strlen($ext))-1);
$i = 1;
while (file_exists($name)) {
$this->name = $body.'_'.$i.'.'.$ext;
$i++;
}
} else {
return false;
}
} else {
//file do not exist
}
} else {
//overwrite the file
}
return $name;
}
function set_error($number, $text, $fatal = false){
$this->error['number'] = $number;
$this->error['text'] = $text;
$this->error['fatal'] = $fatal;
}
}
?>
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