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Index: branches/5.2.x/core/kernel/utility/formatters/upload_formatter.php
===================================================================
--- branches/5.2.x/core/kernel/utility/formatters/upload_formatter.php (revision 16595)
+++ branches/5.2.x/core/kernel/utility/formatters/upload_formatter.php (revision 16596)
@@ -1,653 +1,647 @@
<?php
/**
* @version $Id$
* @package In-Portal
* @copyright Copyright (C) 1997 - 2011 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class kUploadFormatter extends kFormatter
{
var $DestinationPath;
var $FullPath;
/**
* File helper reference
*
* @var FileHelper
*/
var $fileHelper = NULL;
/**
* Uploaded files, that are ordered as required (both live & temp images in one list)
*
* @var Array
* @access protected
*/
protected $sorting = Array ();
/**
* Creates formatter instance
*
* @access public
*/
public function __construct()
{
parent::__construct();
$this->fileHelper = $this->Application->recallObject('FileHelper');
if ( $this->DestinationPath ) {
$this->FullPath = FULL_PATH . $this->DestinationPath;
}
}
/**
* Sets field option defaults.
*
* @param string $field_name Field nae.
* @param array $field_options Field options.
* @param kDBBase $object Object.
*
* @return void
*/
public function PrepareOptions($field_name, &$field_options, &$object)
{
if ( !$this->DestinationPath && !isset($field_options['upload_dir']) ) {
$base_path = $this->Application->getUnitOption($object->Prefix, 'BasePath');
$field_options['upload_dir'] = WRITEBALE_BASE . '/' . basename($base_path) . '/';
}
if ( !isset($field_options['max_size']) ) {
$field_options['max_size'] = MAX_UPLOAD_SIZE;
}
}
/**
* Processes file uploads from form
*
* @param mixed $value
* @param string $field_name
* @param kDBItem $object
* @return mixed
* @access public
*/
public function Parse($value, $field_name, &$object)
{
$value = $this->Application->HttpQuery->unescapeRequestVariable($value);
$options = $object->GetFieldOptions($field_name);
if ( getArrayValue($options, 'upload_dir') ) {
$this->DestinationPath = $options['upload_dir'];
$this->FullPath = FULL_PATH . $this->DestinationPath;
}
if ( is_array($value) && isset($value['tmp_ids']) ) {
$ret = $this->_processFlashUploader($value, $field_name, $object);
}
else {
$ret = $this->_processRegularUploader($value, $field_name, $object);
}
if ( getArrayValue($options, 'upload_dir') ) {
$this->DestinationPath = null;
$this->FullPath = null;
}
return $ret;
}
/**
* Handles uploaded files, provided by Flash uploader
*
* @param Array|string $value
* @param string $field_name
* @param kDBItem $object
* @return string
* @access protected
*/
protected function _processFlashUploader($value, $field_name, $object)
{
$options = $object->GetFieldOptions($field_name);
$this->sorting = isset($value['order']) ? explode('|', $value['order']) : Array ();
if ( $value['tmp_deleted'] ) {
$n_upload = Array ();
$deleted = explode('|', $value['tmp_deleted']);
$upload = explode('|', $value['upload']);
foreach ($upload as $name) {
if ( in_array($name, $deleted) ) {
continue;
}
$n_upload[] = $name;
}
$value['upload'] = implode('|', $n_upload);
}
if ( !$value['tmp_ids'] ) {
// no pending files -> return already uploaded files
return $this->_sortFiles($value['upload']);
}
$swf_uploaded_ids = explode('|', $value['tmp_ids']);
$swf_uploaded_names = explode('|', $value['tmp_names']);
$existing = $value['upload'] ? explode('|', $value['upload']) : Array ();
$fret = Array ();
$max_files = $this->_getMaxFiles($options);
$pending_actions = $object->getPendingActions();
$files_to_delete = $this->_getFilesToDelete($object);
for ($i = 0; $i < min($max_files, count($swf_uploaded_ids)); $i++) {
// don't delete uploaded file, when it's name matches delete file name
$real_name = $this->_getRealFilename($swf_uploaded_names[$i], $options, $object, $files_to_delete);
$file_name = $this->FullPath . $real_name;
$tmp_file = WRITEABLE . '/tmp/' . $swf_uploaded_ids[$i] . '_' . $swf_uploaded_names[$i];
rename($tmp_file, $file_name);
@chmod($file_name, 0666);
$fret[] = getArrayValue($options, 'upload_dir') ? $real_name : $this->DestinationPath . $real_name;
$pending_actions[] = Array (
'action' => 'make_live', 'id' => $object->GetID(), 'field' => $field_name, 'file' => $file_name
);
$this->_renameFileInSorting($swf_uploaded_names[$i], $real_name);
}
$object->setPendingActions($pending_actions);
return $this->_sortFiles(array_merge($existing, $fret));
}
/**
* Returns files, scheduled for deleting
*
* @param kDBItem $object
* @return Array
* @access protected
*/
protected function _getFilesToDelete($object)
{
$ret = Array ();
foreach ($object->getPendingActions() as $data) {
if ( $data['action'] == 'delete' ) {
$ret[] = $data['file'];
}
}
return $ret;
}
/**
* Handles regular file upload
*
* @param string|Array $value
* @param string $field_name
* @param kDBItem $object
* @return string
* @access protected
*/
protected function _processRegularUploader($value, $field_name, $object)
{
$ret = !is_array($value) ? $value : '';
$options = $object->GetFieldOptions($field_name);
if ( getArrayValue($value, 'upload') && getArrayValue($value, 'error') == UPLOAD_ERR_NO_FILE ) {
// file was not uploaded this time, but was uploaded before, then use previously uploaded file (from db)
return getArrayValue($value, 'upload');
}
if ( is_array($value) && count($value) > 1 && $value['size'] ) {
if ( is_array($value) && (int)$value['error'] === UPLOAD_ERR_OK ) {
// we can get mime type based on file content and don't use one, provided by the client
// $value['type'] = kUtil::mimeContentType($value['tmp_name']);
if ( getArrayValue($options, 'file_types') && !$this->extensionMatch($value['name'], $options['file_types']) ) {
// match by file extensions
$error_params = Array (
'file_name' => $value['name'],
'file_types' => $options['file_types'],
);
$object->SetError($field_name, 'bad_file_format', 'la_error_InvalidFileFormat', $error_params);
}
elseif ( getArrayValue($options, 'allowed_types') && !in_array($value['type'], $options['allowed_types']) ) {
// match by mime type provided by web-browser
$error_params = Array (
'file_type' => $value['type'],
'allowed_types' => $options['allowed_types'],
);
$object->SetError($field_name, 'bad_file_format', 'la_error_InvalidFileFormat', $error_params);
}
elseif ( $value['size'] > $options['max_size'] ) {
$object->SetError($field_name, 'bad_file_size', 'la_error_FileTooLarge');
}
elseif ( !is_writable($this->FullPath) ) {
$object->SetError($field_name, 'cant_save_file', 'la_error_cant_save_file');
}
else {
$real_name = $this->_getRealFilename($value['name'], $options, $object);
$file_name = $this->FullPath . $real_name;
+ $moved = move_uploaded_file($value['tmp_name'], $file_name);
$storage_format = isset($options['storage_format']) ? $options['storage_format'] : false;
if ( $storage_format ) {
- /** @var ImageHelper $image_helper */
- $image_helper = $this->Application->recallObject('ImageHelper');
-
- move_uploaded_file($value['tmp_name'], $value['tmp_name'] . '.jpg'); // add extension, so ResizeImage can work
- $url = $image_helper->ResizeImage($value['tmp_name'] . '.jpg', $storage_format);
- $tmp_name = preg_replace('/^' . preg_quote($this->Application->BaseURL(), '/') . '/', '/', $url);
- $moved = rename($tmp_name, $file_name);
- }
- else {
- $moved = move_uploaded_file($value['tmp_name'], $file_name);
+ /** @var kUploadHelper $upload_helper */
+ $upload_helper = $this->Application->recallObject('kUploadHelper');
+ $moved = $upload_helper->resizeUploadedFile($file_name, $storage_format);
}
if ( !$moved ) {
$object->SetError($field_name, 'cant_save_file', 'la_error_cant_save_file');
}
else {
@chmod($file_name, 0666);
if ( getArrayValue($options, 'size_field') ) {
$object->SetDBField($options['size_field'], $value['size']);
}
if ( getArrayValue($options, 'orig_name_field') ) {
$object->SetDBField($options['orig_name_field'], $value['name']);
}
if ( getArrayValue($options, 'content_type_field') ) {
$object->SetDBField($options['content_type_field'], $value['type']);
}
$ret = getArrayValue($options, 'upload_dir') ? $real_name : $this->DestinationPath . $real_name;
// delete previous file, when new file is uploaded under same field
/*$previous_file = isset($value['upload']) ? $value['upload'] : false;
if ( $previous_file && file_exists($this->FullPath . $previous_file) ) {
unlink($this->FullPath . $previous_file);
}*/
}
}
}
else {
$object->SetError($field_name, 'cant_save_file', 'la_error_cant_save_file');
}
}
if ( (count($value) > 1) && $value['error'] && ($value['error'] != UPLOAD_ERR_NO_FILE) ) {
$object->SetError($field_name, 'cant_save_file', 'la_error_cant_save_file', $value);
}
return $ret;
}
/**
* Checks, that given file name has on of provided file extensions
*
* @param string $filename
* @param string $file_types
* @return bool
* @access protected
*/
protected function extensionMatch($filename, $file_types)
{
if ( preg_match_all('/\*\.(.*?)(;|$)/', $file_types, $regs) ) {
$file_extension = mb_strtolower(pathinfo($filename, PATHINFO_EXTENSION));
$file_extensions = array_map('mb_strtolower', $regs[1]);
return in_array($file_extension, $file_extensions);
}
return true;
}
/**
* Resorts uploaded files according to given file order
*
* @param Array|string $files
* @return string
* @access protected
*/
protected function _sortFiles($files)
{
if ( !is_array($files) ) {
$files = explode('|', $files);
}
$sorted_files = array_intersect($this->sorting, $files); // removes deleted files from sorting
$new_files = array_diff($files, $sorted_files); // files, that weren't sorted - add to the end
return implode('|', array_merge($sorted_files, $new_files));
}
/**
* Returns maximal allowed file count per field
*
* @param Array $options
* @return int
* @access protected
*/
protected function _getMaxFiles($options)
{
if ( !isset($options['multiple']) ) {
return 1;
}
return $options['multiple'] == false ? 1 : $options['multiple'];
}
/**
* Returns final filename after applying storage-engine specific naming
*
* @param string $file_name
* @param Array $options
* @param kDBItem $object
* @param Array $files_to_delete
* @return string
* @access protected
*/
protected function _getRealFilename($file_name, $options, $object, $files_to_delete = Array ())
{
$real_name = $this->getStorageEngineFile($file_name, $options, $object->Prefix);
$real_name = $this->getStorageEngineFolder($real_name, $options) . $real_name;
return $this->fileHelper->ensureUniqueFilename($this->FullPath, $real_name, $files_to_delete);
}
/**
* Renames file in sorting list
*
* @param string $old_name
* @param string $new_name
* @return void
* @access protected
*/
protected function _renameFileInSorting($old_name, $new_name)
{
$index = array_search($old_name, $this->sorting);
if ( $index !== false ) {
$this->sorting[$index] = $new_name;
}
}
function getSingleFormat($format)
{
$single_mapping = Array (
'file_raw_urls' => 'raw_url',
'file_display_names' => 'display_name',
'file_urls' => 'full_url',
'file_paths' => 'full_path',
'file_sizes' => 'file_size',
'files_resized' => 'resize',
'img_sizes' => 'img_size',
'wms' => 'wm',
);
return $single_mapping[$format];
}
/**
* Return formatted file url,path or size (or same for multiple files)
*
* @param string $value
* @param string $field_name
* @param kDBItem|kDBList $object
* @param string $format
* @return string
*/
function Format($value, $field_name, &$object, $format = NULL)
{
if ( is_null($value) ) {
return '';
}
$options = $object->GetFieldOptions($field_name);
if ( !isset($format) ) {
$format = isset($options['format']) ? $options['format'] : false;
}
if ( $format && preg_match('/(file_raw_urls|file_display_names|file_urls|file_paths|file_names|file_sizes|img_sizes|files_resized|wms)(.*)/', $format, $regs) ) {
if ( !$value || $format == 'file_names' ) {
// storage format matches display format OR no value
return $value;
}
$ret = Array ();
$files = explode('|', $value);
$format = $this->getSingleFormat($regs[1]) . $regs[2];
foreach ($files as $a_file) {
$ret[] = $this->GetFormatted($a_file, $field_name, $object, $format);
}
return implode('|', $ret);
}
$tc_value = $this->TypeCast($value, $options);
if ( ($tc_value === false) || ($tc_value != $value) ) {
// for leaving badly formatted date on the form
return $value;
}
return $this->GetFormatted($tc_value, $field_name, $object, $format);
}
/**
* Return formatted file url,path or size
*
* @param string $value
* @param string $field_name
* @param kDBItem $object
* @param string $format
* @return string
*/
function GetFormatted($value, $field_name, &$object, $format = NULL)
{
if ( !$format ) {
return $value;
}
$options = $object->GetFieldOptions($field_name);
$upload_dir = isset($options['include_path']) && $options['include_path'] ? '' : $this->getUploadDir($options);
$file_path = strlen($value) ? FULL_PATH . str_replace('/', DIRECTORY_SEPARATOR, $upload_dir) . $value : '';
if ( preg_match('/resize:([\d]*)x([\d]*)/', $format, $regs) ) {
/** @var ImageHelper $image_helper */
$image_helper = $this->Application->recallObject('ImageHelper');
try {
return $image_helper->ResizeImage($file_path, $format);
}
catch ( RuntimeException $e ) {
// error, during image resize -> return empty string
return '';
}
}
elseif ( !strlen($file_path) || !file_exists($file_path) ) {
// file doesn't exist OR not uploaded
return '';
}
switch ($format) {
case 'display_name':
return kUtil::removeTempExtension($value);
break;
case 'raw_url':
return $this->fileHelper->pathToUrl($file_path);
break;
case 'full_url':
$direct_links = isset($options['direct_links']) ? $options['direct_links'] : true;
if ( $direct_links ) {
return $this->fileHelper->pathToUrl($file_path);
}
else {
$url_params = Array (
'pass' => 'm,'.$object->Prefix,
$object->Prefix . '_event' => 'OnViewFile',
'file' => $value, 'field' => $field_name
);
return $this->Application->HREF('', '', $url_params);
}
break;
case 'full_path':
return $file_path;
break;
case 'file_size':
return filesize($file_path);
break;
case 'img_size':
/** @var ImageHelper $image_helper */
$image_helper = $this->Application->recallObject('ImageHelper');
$image_info = $image_helper->getImageInfo($file_path);
return $image_info ? $image_info[3] : '';
break;
}
return sprintf($format, $value);
}
/**
* Creates & returns folder, based on storage engine specified in field options
*
* @param string $file_name
* @param array $options
* @return string
* @access protected
* @throws Exception
*/
protected function getStorageEngineFolder($file_name, $options)
{
$storage_engine = (string)getArrayValue($options, 'storage_engine');
if ( !$storage_engine ) {
return '';
}
switch ($storage_engine) {
case StorageEngine::HASH:
$folder_path = kUtil::getHashPathForLevel($file_name);
break;
case StorageEngine::TIMESTAMP:
$folder_path = adodb_date('Y-m/d/');
break;
default:
throw new Exception('Unknown storage engine "<strong>' . $storage_engine . '</strong>".');
break;
}
return $folder_path;
}
/**
* Applies prefix & suffix to uploaded filename, based on storage engine in field options
*
* @param string $name
* @param array $options
* @param string $unit_prefix
* @return string
* @access protected
*/
protected function getStorageEngineFile($name, $options, $unit_prefix)
{
$prefix = $this->getStorageEngineFilePart(getArrayValue($options, 'filename_prefix'), $unit_prefix);
$suffix = $this->getStorageEngineFilePart(getArrayValue($options, 'filename_suffix'), $unit_prefix);
$parts = pathinfo($name);
return ($prefix ? $prefix . '_' : '') . $parts['filename'] . ($suffix ? '_' . $suffix : '') . '.' . $parts['extension'];
}
/**
* Creates prefix/suffix to join with uploaded file
*
* Added "u" before user_id to keep this value after FileHelper::ensureUniqueFilename method call
*
* @param string $option
* @param string $unit_prefix
* @return string
* @access protected
*/
protected function getStorageEngineFilePart($option, $unit_prefix)
{
$replace_from = Array (
StorageEngine::PS_DATE_TIME, StorageEngine::PS_PREFIX, StorageEngine::PS_USER
);
$replace_to = Array (
adodb_date('Ymd-His'), $unit_prefix, 'u' . $this->Application->RecallVar('user_id')
);
return str_replace($replace_from, $replace_to, $option);
}
public function getUploadDir($options)
{
return isset($options['upload_dir']) ? $options['upload_dir'] : $this->DestinationPath;
}
}
class kPictureFormatter extends kUploadFormatter
{
public function __construct()
{
$this->NakeLookupPath = IMAGES_PATH; // used ?
$this->DestinationPath = kUtil::constOn('ADMIN') ? IMAGES_PENDING_PATH : IMAGES_PATH;
parent::__construct();
}
/**
* Return formatted file url,path or size
*
* @param string $value
* @param string $field_name
* @param kDBItem $object
* @param string $format
* @return string
*/
function GetFormatted($value, $field_name, &$object, $format = NULL)
{
if ( $format == 'img_size' ) {
$options = $object->GetFieldOptions($field_name);
$img_path = FULL_PATH . '/' . $this->getUploadDir($options) . $value;
$image_info = getimagesize($img_path);
return ' ' . $image_info[3];
}
return parent::GetFormatted($value, $field_name, $object, $format);
}
}
Index: branches/5.2.x/core/units/helpers/upload_helper.php
===================================================================
--- branches/5.2.x/core/units/helpers/upload_helper.php (revision 16595)
+++ branches/5.2.x/core/units/helpers/upload_helper.php (revision 16596)
@@ -1,332 +1,358 @@
<?php
/**
* @version $Id$
* @package In-Portal
* @copyright Copyright (C) 1997 - 2012 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
class kUploadHelper extends kHelper
{
/**
+ * File helper reference
+ *
+ * @var FileHelper
+ */
+ protected $fileHelper = null;
+
+ /**
* Creates kUploadHelper instance.
*/
public function __construct()
{
parent::__construct();
+ $this->fileHelper = $this->Application->recallObject('FileHelper');
+
// 5 minutes execution time
@set_time_limit(5 * 60);
}
/**
* Handles the upload.
*
* @param kEvent $event Event.
*
* @return string
* @throws kUploaderException When upload could not be handled properly.
*/
public function handle(kEvent $event)
{
$this->disableBrowserCache();
// Uncomment this one to fake upload time
// sleep(5);
if ( !$this->Application->HttpQuery->Post ) {
// Variables {field, id, flashsid} are always submitted through POST!
// When file size is larger, then "upload_max_filesize" (in php.ini),
// then these variables also are not submitted.
throw new kUploaderException('File size exceeds allowed limit.', 413);
}
if ( !$this->checkPermissions($event) ) {
// 403 Forbidden
throw new kUploaderException('You don\'t have permissions to upload.', 403);
}
$value = $this->Application->GetVar('file');
if ( !$value || ($value['error'] != UPLOAD_ERR_OK) ) {
// 413 Request Entity Too Large (file uploads disabled OR uploaded file was
// too large for web server to accept, see "upload_max_filesize" in php.ini)
throw new kUploaderException('File size exceeds allowed limit.', 413);
}
$value = $this->Application->unescapeRequestVariable($value);
$tmp_path = WRITEABLE . '/tmp/';
$filename = $this->getUploadedFilename() . '.tmp';
$id = $this->Application->GetVar('id');
if ( $id ) {
$filename = $id . '_' . $filename;
}
if ( !is_writable($tmp_path) ) {
// 500 Internal Server Error
// check both temp and live upload directory
throw new kUploaderException('Write permissions not set on the server, please contact server administrator.', 500);
}
- /** @var FileHelper $file_helper */
- $file_helper = $this->Application->recallObject('FileHelper');
- $filename = $file_helper->ensureUniqueFilename($tmp_path, $filename);
+ $filename = $this->fileHelper->ensureUniqueFilename($tmp_path, $filename);
$storage_format = $this->getStorageFormat($this->Application->GetVar('field'), $event);
+ $this->moveUploadedFile($tmp_path . $filename);
if ( $storage_format ) {
- /** @var ImageHelper $image_helper */
- $image_helper = $this->Application->recallObject('ImageHelper');
-
- $this->moveUploadedFile($value['tmp_name'] . '.jpg'); // add extension, so ResizeImage can work
- $url = $image_helper->ResizeImage($value['tmp_name'] . '.jpg', $storage_format);
- $tmp_name = preg_replace('/^' . preg_quote($this->Application->BaseURL(), '/') . '/', '/', $url);
- rename($tmp_name, $tmp_path . $filename);
- }
- else {
- $this->moveUploadedFile($tmp_path . $filename);
+ $this->resizeUploadedFile($tmp_path . $filename, $storage_format);
}
$this->deleteTempFiles($tmp_path);
$thumbs_path = preg_replace('/^' . preg_quote(FULL_PATH, '/') . '/', '', $tmp_path, 1);
$thumbs_path = FULL_PATH . THUMBS_PATH . $thumbs_path;
if ( file_exists($thumbs_path) ) {
$this->deleteTempFiles($thumbs_path);
}
return preg_replace('/^' . preg_quote($id, '/') . '_/', '', $filename);
}
/**
+ * Resizes uploaded file.
+ *
+ * @param string $file_path File path.
+ * @param string $format Format.
+ *
+ * @return boolean
+ */
+ public function resizeUploadedFile($file_path, $format)
+ {
+ /** @var ImageHelper $image_helper */
+ $image_helper = $this->Application->recallObject('ImageHelper');
+
+ // Add extension, so that "ImageHelper::ResizeImage" can work.
+ $resize_file_path = tempnam(sys_get_temp_dir(), 'uploaded_') . '.jpg';
+
+ if ( rename($file_path, $resize_file_path) === false ) {
+ return false;
+ }
+
+ $resized_file_path = $this->fileHelper->urlToPath(
+ $image_helper->ResizeImage($resize_file_path, $format)
+ );
+
+ return rename($resized_file_path, $file_path);
+ }
+
+ /**
* Sends headers to ensure, that response is never cached.
*
* @return void
*/
protected function disableBrowserCache()
{
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
}
/**
* Checks, that flash uploader is allowed to perform upload
*
* @param kEvent $event
* @return bool
*/
protected function checkPermissions(kEvent $event)
{
// Flash uploader does NOT send correct cookies, so we need to make our own check
$cookie_name = 'adm_' . $this->Application->ConfigValue('SessionCookieName');
$this->Application->HttpQuery->Cookie['cookies_on'] = 1;
$this->Application->HttpQuery->Cookie[$cookie_name] = $this->Application->GetVar('flashsid');
// this prevents session from auto-expiring when KeepSessionOnBrowserClose & FireFox is used
$this->Application->HttpQuery->Cookie[$cookie_name . '_live'] = $this->Application->GetVar('flashsid');
/** @var Session $admin_session */
$admin_session = $this->Application->recallObject('Session.admin');
if ( $this->Application->permissionCheckingDisabled($admin_session->RecallVar('user_id')) ) {
return true;
}
// copy some data from given session to current session
$backup_user_id = $this->Application->RecallVar('user_id');
$this->Application->StoreVar('user_id', $admin_session->RecallVar('user_id'));
$backup_user_groups = $this->Application->RecallVar('UserGroups');
$this->Application->StoreVar('UserGroups', $admin_session->RecallVar('UserGroups'));
// check permissions using event, that have "add|edit" rule
$check_event = new kEvent($event->getPrefixSpecial() . ':OnProcessSelected');
$check_event->setEventParam('top_prefix', $this->Application->GetTopmostPrefix($event->Prefix, true));
/** @var kEventHandler $event_handler */
$event_handler = $this->Application->recallObject($event->Prefix . '_EventHandler');
$allowed_to_upload = $event_handler->CheckPermission($check_event);
// restore changed data, so nothing gets saved to database
$this->Application->StoreVar('user_id', $backup_user_id);
$this->Application->StoreVar('UserGroups', $backup_user_groups);
return $allowed_to_upload;
}
/**
* Returns uploaded filename.
*
* @return string
*/
protected function getUploadedFilename()
{
if ( isset($_REQUEST['name']) ) {
$file_name = $_REQUEST['name'];
}
elseif ( !empty($_FILES) ) {
$file_name = $_FILES['file']['name'];
}
else {
$file_name = uniqid('file_');
}
return $file_name;
}
/**
* Gets storage format for a given field.
*
* @param string $field_name
* @param kEvent $event
* @return bool
*/
protected function getStorageFormat($field_name, kEvent $event)
{
$fields = $this->Application->getUnitOption($event->Prefix, 'Fields');
$virtual_fields = $this->Application->getUnitOption($event->Prefix, 'VirtualFields');
$field_options = array_key_exists($field_name, $fields) ? $fields[$field_name] : $virtual_fields[$field_name];
return isset($field_options['storage_format']) ? $field_options['storage_format'] : false;
}
/**
* Moves uploaded file to given location.
*
* @param string $file_path File path.
*
* @return void
* @throws kUploaderException When upload could not be handled properly.
*/
protected function moveUploadedFile($file_path)
{
// Chunking might be enabled
$chunk = (int)$this->Application->GetVar('chunk', 0);
$chunks = (int)$this->Application->GetVar('chunks', 0);
// Open temp file
if ( !$out = @fopen("{$file_path}.part", $chunks ? 'ab' : 'wb') ) {
throw new kUploaderException('Failed to open output stream.', 102);
}
if ( !empty($_FILES) ) {
if ( $_FILES['file']['error'] || !is_uploaded_file($_FILES['file']['tmp_name']) ) {
throw new kUploaderException('Failed to move uploaded file.', 103);
}
// Read binary input stream and append it to temp file
if ( !$in = @fopen($_FILES['file']['tmp_name'], 'rb') ) {
throw new kUploaderException('Failed to open input stream.', 101);
}
}
else {
if ( !$in = @fopen('php://input', 'rb') ) {
throw new kUploaderException('Failed to open input stream.', 101);
}
}
while ( $buff = fread($in, 4096) ) {
fwrite($out, $buff);
}
@fclose($out);
@fclose($in);
// Check if file has been uploaded
if ( !$chunks || $chunk == $chunks - 1 ) {
// Strip the temp .part suffix off
rename("{$file_path}.part", $file_path);
}
}
/**
* Delete temporary files, that won't be used for sure
*
* @param string $path
* @return void
*/
protected function deleteTempFiles($path)
{
$files = glob($path . '*.*');
$max_file_date = strtotime('-1 day');
foreach ( $files as $file ) {
if ( filemtime($file) < $max_file_date ) {
unlink($file);
}
}
}
/**
* Prepares object for operations with file on given field.
*
* @param kEvent $event Event.
* @param string $field Field.
*
* @return kDBItem
*/
public function prepareUploadedFile(kEvent $event, $field)
{
/** @var kDBItem $object */
$object = $event->getObject(Array ('skip_autoload' => true));
$filename = $this->getSafeFilename();
if ( !$filename ) {
$object->SetDBField($field, '');
return $object;
}
// set current uploaded file
if ( $this->Application->GetVar('tmp') ) {
$options = $object->GetFieldOptions($field);
$options['upload_dir'] = WRITEBALE_BASE . '/tmp/';
unset($options['include_path']);
$object->SetFieldOptions($field, $options);
$filename = $this->Application->GetVar('id') . '_' . $filename;
}
$object->SetDBField($field, $filename);
return $object;
}
/**
* Returns safe version of filename specified in url
*
* @return bool|string
* @access protected
*/
protected function getSafeFilename()
{
$filename = $this->Application->GetVar('file');
$filename = $this->Application->unescapeRequestVariable($filename);
if ( (strpos($filename, '../') !== false) || (trim($filename) !== $filename) ) {
// when relative paths or special chars are found template names from url, then it's hacking attempt
return false;
}
return $filename;
}
}
class kUploaderException extends Exception
{
}

Event Timeline

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