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Files
dolibarr-fork/htdocs/core/ajax/fileupload.php
2012-06-01 02:06:43 +02:00

436 lines
15 KiB
PHP

<?php
/* Copyright (C) 2011 Regis Houssin <regis@dolibarr.fr>
* Copyright (C) 2011 Laurent Destailleur <eldy@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file htdocs/core/ajax/fileupload.php
* \brief File to return Ajax response on file upload
*/
//if (! defined('NOREQUIREUSER')) define('NOREQUIREUSER','1');
//if (! defined('NOREQUIREDB')) define('NOREQUIREDB','1');
//if (! defined('NOREQUIRESOC')) define('NOREQUIRESOC','1');
//if (! defined('NOREQUIRETRAN')) define('NOREQUIRETRAN','1');
if (! defined('NOCSRFCHECK')) define('NOCSRFCHECK','1');
if (! defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL','1');
if (! defined('NOREQUIREMENU')) define('NOREQUIREMENU','1'); // If there is no menu to show
if (! defined('NOREQUIREHTML')) define('NOREQUIREHTML','1'); // If we don't need to load the html.form.class.php
//if (! defined('NOREQUIREAJAX')) define('NOREQUIREAJAX','1');
//if (! defined("NOLOGIN")) define("NOLOGIN",'1'); // If this page is public (can be called outside logged session)
require("../../main.inc.php");
require_once(DOL_DOCUMENT_ROOT."/core/lib/files.lib.php");
require_once(DOL_DOCUMENT_ROOT."/core/lib/images.lib.php");
error_reporting(E_ALL | E_STRICT);
//print_r($_POST);
//print_r($_GET);
//print 'upload_dir='.GETPOST('upload_dir');
$fk_element = GETPOST('fk_element','int');
$element = GETPOST('element','alpha');
/**
* \file htdocs/core/ajax/fileupload.php
* \brief This class is used to manage file upload using ajax
*/
class UploadHandler
{
private $_options;
private $_fk_element;
private $_element;
private $_element_ref;
/**
* Constructor
*
* @param array $options Options array
* @param int $fk_element fk_element
* @param string $element element
* @param string $element_ref element ref
*/
function __construct($options=null,$fk_element=null,$element=null)
{
global $db, $conf;
global $object;
$this->_fk_element=$fk_element;
$this->_element=$element;
$pathname=$filename=$element;
if (preg_match('/^([^_]+)_([^_]+)/i',$element,$regs))
{
$pathname = $regs[1];
$filename = $regs[2];
}
// For compatibility
if ($element == 'propal') {
$pathname = 'comm/propal'; $filename = 'propal';
}
if ($element == 'commande') {
$pathname = $filename = 'commande';
}
if ($element == 'facture') {
$pathname = 'compta/facture'; $filename = 'facture';
}
dol_include_once('/'.$pathname.'/class/'.$filename.'.class.php');
$classname = ucfirst($filename);
$object = new $classname($db);
$object->fetch($fk_element);
$object->fetch_thirdparty();
$this->_options = array(
'script_url' => $_SERVER['PHP_SELF'],
'upload_dir' => $conf->$element->dir_output . '/' . $object->ref . '/',
'upload_url' => DOL_URL_ROOT.'/document.php?modulepart='.$element.'&attachment=1&file=/'.$object->ref.'/',
'param_name' => 'files',
// The php.ini settings upload_max_filesize and post_max_size
// take precedence over the following max_file_size setting:
'max_file_size' => null,
'min_file_size' => 1,
'accept_file_types' => '/.+$/i',
'max_number_of_files' => null,
'discard_aborted_uploads' => true,
'image_versions' => array(
// Uncomment the following version to restrict the size of
// uploaded images. You can also add additional versions with
// their own upload directories:
/*
'small' => array(
'upload_dir' => dirname(__FILE__).'/files/',
'upload_url' => dirname($_SERVER['PHP_SELF']).'/files/'
),
*/
'thumbs' => array(
'upload_dir' => $conf->$element->dir_output . '/' . $object->ref . '/thumbs/',
'upload_url' => DOL_URL_ROOT.'/document.php?modulepart='.$element.'&attachment=1&file=/'.$object->ref.'/thumbs/'
)
)
);
if ($options) {
$this->_options = array_merge_recursive($this->_options, $options);
}
}
/**
* Enter description here ...
*
* @param string $file_name Filename
* @return stdClass|NULL
*/
private function get_file_object($file_name)
{
$file_path = $this->_options['upload_dir'].$file_name;
if (is_file($file_path) && $file_name[0] !== '.')
{
$file = new stdClass();
$file->name = $file_name;
$file->mime = dol_mimetype($file_name,'',2);
$file->size = filesize($file_path);
$file->url = $this->_options['upload_url'].rawurlencode($file->name);
foreach($this->_options['image_versions'] as $version => $options) {
if (is_file($options['upload_dir'].$file_name)) {
$tmp=explode('.',$file->name);
$file->{$version.'_url'} = $options['upload_url'].rawurlencode($tmp[0].'_mini.'.$tmp[1]);
}
}
$file->delete_url = $this->_options['script_url']
.'?file='.rawurlencode($file->name).'&fk_element='.$this->_fk_element.'&element='.$this->_element;
$file->delete_type = 'DELETE';
return $file;
}
return null;
}
/**
* Enter description here ...
*
* @return void
*/
private function get_file_objects()
{
return array_values(array_filter(array_map(array($this, 'get_file_object'), scandir($this->_options['upload_dir']))));
}
/**
* Create thumbs
*
* @param string $file_name Filename
* @param string $options is array('max_width', 'max_height')
* @return void
*/
private function create_scaled_image($file_name, $options)
{
global $maxwidthmini, $maxheightmini;
$file_path = $this->_options['upload_dir'].$file_name;
$new_file_path = $options['upload_dir'].$file_name;
if (dol_mkdir($options['upload_dir']) >= 0)
{
list($img_width, $img_height) = @getimagesize($file_path);
if (!$img_width || !$img_height) {
return false;
}
$res=vignette($file_path,$maxwidthmini,$maxheightmini,'_mini');
//return $success;
if (preg_match('/error/i',$res)) return false;
return true;
}
else
{
return false;
}
}
/**
* Enter description here ...
*
* @param string $uploaded_file Uploade file
* @param string $file File
* @param string $error Error
* @return unknown|string
*/
private function has_error($uploaded_file, $file, $error)
{
if ($error) {
return $error;
}
if (!preg_match($this->_options['accept_file_types'], $file->name)) {
return 'acceptFileTypes';
}
if ($uploaded_file && is_uploaded_file($uploaded_file)) {
$file_size = filesize($uploaded_file);
} else {
$file_size = $_SERVER['CONTENT_LENGTH'];
}
if ($this->_options['max_file_size'] && (
$file_size > $this->_options['max_file_size'] ||
$file->size > $this->_options['max_file_size'])
) {
return 'maxFileSize';
}
if ($this->_options['min_file_size'] &&
$file_size < $this->_options['min_file_size']) {
return 'minFileSize';
}
if (is_int($this->_options['max_number_of_files']) && (
count($this->get_file_objects()) >= $this->_options['max_number_of_files'])
) {
return 'maxNumberOfFiles';
}
return $error;
}
/**
* Enter description here ...
*
* @param string $uploaded_file Uploade file
* @param string $name Name
* @param int $size Size
* @param string $type Type
* @param string $error Error
* @return stdClass
*/
private function handle_file_upload($uploaded_file, $name, $size, $type, $error)
{
$file = new stdClass();
$file->name = basename(stripslashes($name));
$file->mime = dol_mimetype($file->name,'',2);
$file->size = intval($size);
$file->type = $type;
$error = $this->has_error($uploaded_file, $file, $error);
if (!$error && $file->name && dol_mkdir($this->_options['upload_dir']) >= 0) {
if ($file->name[0] === '.') {
$file->name = substr($file->name, 1);
}
$file_path = $this->_options['upload_dir'].$file->name;
$append_file = is_file($file_path) && $file->size > filesize($file_path);
clearstatcache();
if ($uploaded_file && is_uploaded_file($uploaded_file)) {
// multipart/formdata uploads (POST method uploads)
if ($append_file) {
file_put_contents(
$file_path,
fopen($uploaded_file, 'r'),
FILE_APPEND
);
} else {
dol_move_uploaded_file($uploaded_file, $file_path, 1);
}
} else {
// Non-multipart uploads (PUT method support)
file_put_contents(
$file_path,
fopen('php://input', 'r'),
$append_file ? FILE_APPEND : 0
);
}
$file_size = filesize($file_path);
if ($file_size === $file->size) {
$file->url = $this->_options['upload_url'].rawurlencode($file->name);
foreach($this->_options['image_versions'] as $version => $options)
{
if ($this->create_scaled_image($file->name, $options))
{
$tmp=explode('.',$file->name);
$file->{$version.'_url'} = $options['upload_url'].rawurlencode($tmp[0].'_mini.'.$tmp[1]);
}
}
} else if ($this->_options['discard_aborted_uploads']) {
unlink($file_path);
$file->error = 'abort';
}
$file->size = $file_size;
$file->delete_url = $this->_options['script_url']
.'?file='.rawurlencode($file->name).'&fk_element='.$this->_fk_element.'&element='.$this->_element;
$file->delete_type = 'DELETE';
} else {
$file->error = $error;
}
return $file;
}
/**
* Output data
*
* @return void
*/
public function get()
{
$file_name = isset($_REQUEST['file']) ?
basename(stripslashes($_REQUEST['file'])) : null;
if ($file_name) {
$info = $this->get_file_object($file_name);
} else {
$info = $this->get_file_objects();
}
header('Content-type: application/json');
echo json_encode($info);
}
/**
* Output data
*
* @return void
*/
public function post()
{
$upload = isset($_FILES[$this->_options['param_name']]) ?
$_FILES[$this->_options['param_name']] : array(
'tmp_name' => null,
'name' => null,
'size' => null,
'type' => null,
'error' => null
);
$info = array();
if (is_array($upload['tmp_name'])) {
foreach ($upload['tmp_name'] as $index => $value) {
$info[] = $this->handle_file_upload(
$upload['tmp_name'][$index],
isset($_SERVER['HTTP_X_FILE_NAME']) ? $_SERVER['HTTP_X_FILE_NAME'] : $upload['name'][$index],
isset($_SERVER['HTTP_X_FILE_SIZE']) ? $_SERVER['HTTP_X_FILE_SIZE'] : $upload['size'][$index],
isset($_SERVER['HTTP_X_FILE_TYPE']) ? $_SERVER['HTTP_X_FILE_TYPE'] : $upload['type'][$index],
$upload['error'][$index]
);
}
} else {
$info[] = $this->handle_file_upload(
$upload['tmp_name'],
isset($_SERVER['HTTP_X_FILE_NAME']) ? $_SERVER['HTTP_X_FILE_NAME'] : $upload['name'],
isset($_SERVER['HTTP_X_FILE_SIZE']) ? $_SERVER['HTTP_X_FILE_SIZE'] : $upload['size'],
isset($_SERVER['HTTP_X_FILE_TYPE']) ? $_SERVER['HTTP_X_FILE_TYPE'] : $upload['type'],
$upload['error']
);
}
header('Vary: Accept');
if (isset($_SERVER['HTTP_ACCEPT']) &&
(strpos($_SERVER['HTTP_ACCEPT'], 'application/json') !== false)) {
header('Content-type: application/json');
} else {
header('Content-type: text/plain');
}
echo json_encode($info);
}
/**
* Delete uploaded file
*
* @return void
*/
public function delete()
{
$file_name = isset($_REQUEST['file']) ?
basename(stripslashes($_REQUEST['file'])) : null;
$file_path = $this->_options['upload_dir'].$file_name;
$success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
if ($success) {
foreach($this->_options['image_versions'] as $version => $options) {
$file = $options['upload_dir'].$file_name;
if (is_file($file)) {
unlink($file);
}
}
}
header('Content-type: application/json');
echo json_encode($success);
}
}
/*
* View
*/
$upload_handler = new UploadHandler(null,$fk_element,$element);
header('Pragma: no-cache');
header('Cache-Control: private, no-cache');
header('Content-Disposition: inline; filename="files.json"');
switch ($_SERVER['REQUEST_METHOD']) {
case 'HEAD':
case 'GET':
$upload_handler->get();
break;
case 'POST':
$upload_handler->post();
break;
case 'DELETE':
$upload_handler->delete();
break;
default:
header('HTTP/1.0 405 Method Not Allowed');
exit;
}
$db->close();
?>