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Wed, Feb 5, 9:27 PM

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Index: branches/5.2.x/core/units/helpers/file_helper.php
===================================================================
--- branches/5.2.x/core/units/helpers/file_helper.php (revision 14895)
+++ branches/5.2.x/core/units/helpers/file_helper.php (revision 14896)
@@ -1,456 +1,462 @@
<?php
/**
* @version $Id$
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 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 FileHelper extends kHelper {
/**
* Puts existing item images (from sub-item) to virtual fields (in main item)
*
* @param kCatDBItem $object
* @return void
* @access public
*/
public function LoadItemFiles(&$object)
{
$max_file_count = $this->Application->ConfigValue($object->Prefix.'_MaxImageCount'); // file count equals to image count (temporary measure)
$sql = 'SELECT *
FROM '.TABLE_PREFIX.'ItemFiles
WHERE ResourceId = '.$object->GetDBField('ResourceId').'
ORDER BY FileId ASC
LIMIT 0, '.(int)$max_file_count;
$item_files = $this->Conn->Query($sql);
$file_counter = 1;
foreach ($item_files as $item_file) {
$file_path = $item_file['FilePath'];
$object->SetDBField('File'.$file_counter, $file_path);
$object->SetOriginalField('File'.$file_counter, $file_path);
$object->SetFieldOption('File'.$file_counter, 'original_field', $item_file['FileName']);
$file_counter++;
}
}
/**
* Saves newly uploaded images to external image table
*
* @param kCatDBItem $object
* @return void
* @access public
*/
public function SaveItemFiles(&$object)
{
$table_name = $this->Application->getUnitOption('#file', 'TableName');
$max_file_count = $this->Application->getUnitOption($object->Prefix, 'FileCount'); // $this->Application->ConfigValue($object->Prefix.'_MaxImageCount');
$this->CheckFolder(FULL_PATH . ITEM_FILES_PATH);
$i = 0;
while ($i < $max_file_count) {
$field = 'File'.($i + 1);
$field_options = $object->GetFieldOptions($field);
$file_path = $object->GetDBField($field);
if ($file_path) {
if (isset($field_options['original_field'])) {
$key_clause = 'FileName = '.$this->Conn->qstr($field_options['original_field']).' AND ResourceId = '.$object->GetDBField('ResourceId');
if ($object->GetDBField('Delete'.$field)) {
// if item was cloned, then new filename is in db (not in $image_src)
$sql = 'SELECT FilePath
FROM '.$table_name.'
WHERE '.$key_clause;
$file_path = $this->Conn->GetOne($sql);
if (@unlink(FULL_PATH.ITEM_FILES_PATH.$file_path)) {
$sql = 'DELETE FROM '.$table_name.'
WHERE '.$key_clause;
$this->Conn->Query($sql);
}
}
else {
// image record found -> update
$fields_hash = Array (
'FilePath' => $file_path,
);
$this->Conn->doUpdate($fields_hash, $table_name, $key_clause);
}
}
else {
// record not found -> create
$fields_hash = Array (
'ResourceId' => $object->GetDBField('ResourceId'),
'FileName' => $field,
'Status' => STATUS_ACTIVE,
'FilePath' => $file_path,
);
$this->Conn->doInsert($fields_hash, $table_name);
$field_options['original_field'] = $field;
$object->SetFieldOptions($field, $field_options);
}
}
$i++;
}
}
/**
* Preserves cloned item images/files to be rewritten with original item images/files
*
* @param Array $field_values
* @return void
* @access public
*/
public function PreserveItemFiles(&$field_values)
{
foreach ($field_values as $field_name => $field_value) {
if ( !is_array($field_value) ) {
continue;
}
if ( isset($field_value['upload']) && ($field_value['error'] == UPLOAD_ERR_NO_FILE) ) {
// this is upload field, but nothing was uploaded this time
unset($field_values[$field_name]);
}
}
}
/**
* Determines what image/file fields should be created (from post or just dummy fields for 1st upload)
*
* @param string $prefix
* @param bool $is_image
* @return void
* @access public
*/
public function createItemFiles($prefix, $is_image = false)
{
$items_info = $this->Application->GetVar($prefix);
if ($items_info) {
list (, $fields_values) = each($items_info);
$this->createUploadFields($prefix, $fields_values, $is_image);
}
else {
$this->createUploadFields($prefix, Array(), $is_image);
}
}
/**
* Dynamically creates virtual fields for item for each image/file field in submit
*
* @param string $prefix
* @param Array $fields_values
* @param bool $is_image
* @return void
* @access public
*/
public function createUploadFields($prefix, $fields_values, $is_image = false)
{
$field_options = Array (
'type' => 'string',
'max_len' => 240,
'default' => '',
);
if ($is_image) {
$field_options['formatter'] = 'kPictureFormatter';
$field_options['include_path'] = 1;
$field_options['allowed_types'] = Array ('image/jpeg', 'image/pjpeg', 'image/png', 'image/x-png', 'image/gif', 'image/bmp');
$field_prefix = 'Image';
}
else {
$field_options['formatter'] = 'kUploadFormatter';
$field_options['upload_dir'] = ITEM_FILES_PATH;
$field_options['allowed_types'] = Array ('application/pdf', 'application/msexcel', 'application/msword', 'application/mspowerpoint');
$field_prefix = 'File';
}
$fields = $this->Application->getUnitOption($prefix, 'Fields');
$virtual_fields = $this->Application->getUnitOption($prefix, 'VirtualFields');
$image_count = 0;
foreach ($fields_values as $field_name => $field_value) {
if (preg_match('/^('.$field_prefix.'[\d]+|Primary'.$field_prefix.')$/', $field_name)) {
$fields[$field_name] = $field_options;
$virtual_fields[$field_name] = $field_options;
$this->_createCustomFields($prefix, $field_name, $virtual_fields, $is_image);
$image_count++;
}
}
if (!$image_count) {
// no images found in POST -> create default image fields
$image_count = $this->Application->ConfigValue($prefix.'_MaxImageCount');
if ($is_image) {
$created_count = 1;
$image_names = Array ('Primary' . $field_prefix => '');
while ($created_count < $image_count) {
$image_names[$field_prefix . $created_count] = '';
$created_count++;
}
}
else {
$created_count = 0;
$image_names = Array ();
while ($created_count < $image_count) {
$image_names[$field_prefix . ($created_count + 1)] = '';
$created_count++;
}
}
if ($created_count) {
$this->createUploadFields($prefix, $image_names, $is_image);
}
return ;
}
$this->Application->setUnitOption($prefix, $field_prefix.'Count', $image_count);
$this->Application->setUnitOption($prefix, 'Fields', $fields);
$this->Application->setUnitOption($prefix, 'VirtualFields', $virtual_fields);
}
/**
* Adds ability to create more virtual fields associated with main image/file
*
* @param string $prefix
* @param string $field_name
* @param Array $virtual_fields
* @param bool $is_image
* @return void
* @access protected
*/
protected function _createCustomFields($prefix, $field_name, &$virtual_fields, $is_image = false)
{
$virtual_fields['Delete' . $field_name] = Array ('type' => 'int', 'default' => 0);
if ( $is_image ) {
$virtual_fields[$field_name . 'Alt'] = Array ('type' => 'string', 'default' => '');
}
}
/**
* Downloads file to user
*
* @param string $filename
* @return void
* @access public
*/
public function DownloadFile($filename)
{
header('Content-type: ' . kUtil::mimeContentType($filename));
header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
header('Content-Length: ' . filesize($filename));
readfile($filename);
flush();
}
/**
* Creates folder with given $path
*
* @param string $path
* @return bool
* @access public
*/
public function CheckFolder($path)
{
$result = true;
if (!file_exists($path) || !is_dir($path)) {
$parent_path = preg_replace('#(/|\\\)[^/\\\]+(/|\\\)?$#', '', $path);
$result = $this->CheckFolder($parent_path);
if ($result) {
$result = mkdir($path);
if ($result) {
chmod($path, 0777);
// don't commit any files from created folder
if (file_exists(FULL_PATH . '/CVS')) {
$cvsignore = fopen($path . '/.cvsignore', 'w');
fwrite($cvsignore, '*.*');
fclose($cvsignore);
chmod($path . '/.cvsignore', 0777);
}
}
else {
trigger_error('Cannot create directory "<strong>' . $path . '</strong>"', E_USER_WARNING);
return false;
}
}
}
return $result;
}
/**
* Copies all files and directories from $source to $destination directory. Create destination directory, when missing.
*
* @param string $source
* @param string $destination
* @return bool
* @access public
*/
public function copyFolderRecursive($source, $destination)
{
if ( substr($source, -1) == DIRECTORY_SEPARATOR ) {
$source = substr($source, 0, -1);
$destination .= DIRECTORY_SEPARATOR . basename($source);
}
$iterator = new DirectoryIterator($source);
/* @var $file_info DirectoryIterator */
$result = $this->CheckFolder($destination);
foreach ($iterator as $file_info) {
if ( $file_info->isDot() ) {
continue;
}
$file = $file_info->getFilename();
if ( $file_info->isDir() ) {
$result = $this->copyFolderRecursive($file_info->getPathname(), $destination . DIRECTORY_SEPARATOR . $file);
}
else {
$result = copy($file_info->getPathname(), $destination . DIRECTORY_SEPARATOR . $file);
}
if (!$result) {
trigger_error('Cannot create file/directory "<strong>' . $destination . DIRECTORY_SEPARATOR . $file . '</strong>"', E_USER_WARNING);
break;
}
}
return $result;
}
/**
* Copies all files from $source to $destination directory. Create destination directory, when missing.
*
* @param string $source
* @param string $destination
* @return bool
* @access public
*/
public function copyFolder($source, $destination)
{
if ( substr($source, -1) == DIRECTORY_SEPARATOR ) {
$source = substr($source, 0, -1);
$destination .= DIRECTORY_SEPARATOR . basename($source);
}
$iterator = new DirectoryIterator($source);
/* @var $file_info DirectoryIterator */
$result = $this->CheckFolder($destination);
foreach ($iterator as $file_info) {
if ( $file_info->isDot() || !$file_info->isFile() ) {
continue;
}
$file = $file_info->getFilename();
$result = copy($file_info->getPathname(), $destination . DIRECTORY_SEPARATOR . $file);
if ( !$result ) {
trigger_error('Cannot create file "<strong>' . $destination . DIRECTORY_SEPARATOR . $file . '</strong>"', E_USER_WARNING);
break;
}
}
return $result;
}
/**
* Transforms given path to file into it's url, where each each component is encoded (excluding domain and protocol)
*
* @param string $url
* @return string
* @access public
*/
public function pathToUrl($url)
{
$url = str_replace(DIRECTORY_SEPARATOR, '/', preg_replace('/^' . preg_quote(FULL_PATH, '/') . '(.*)/', '\\1', $url, 1));
$url = implode('/', array_map('rawurlencode', explode('/', $url)));
return rtrim($this->Application->BaseURL(), '/') . $url;
}
/**
* Transforms given url to path to it
*
* @param string $url
* @return string
* @access public
*/
public function urlToPath($url)
{
$base_url = rtrim($this->Application->BaseURL(), '/');
// escape replacement patterns, like "\<number>"
$full_path = preg_replace('/(\\\[\d]+)/', '\\\\\1', FULL_PATH);
$path = preg_replace('/^' . preg_quote($base_url, '/') . '(.*)/', $full_path . '\\1', $url, 1);
return str_replace('/', DIRECTORY_SEPARATOR, rawurldecode($path));
}
/**
* Ensures, that new file will not overwrite any of previously created files with same name
*
* @param string $path
* @param string $name
* @param Array $forbidden_names
* @return string
*/
public function ensureUniqueFilename($path, $name, $forbidden_names = Array())
{
$parts = pathinfo($name);
$ext = '.' . $parts['extension'];
$filename = $parts['filename'];
+ $path = rtrim($path, '/');
+
+ $original_checked = false;
$new_name = $filename . $ext;
if ( $parts['dirname'] != '.' ) {
- $path = rtrim($path, '/') . '/' . ltrim($parts['dirname'], '/');
+ $path .= '/' . ltrim($parts['dirname'], '/');
}
// make sure target folder always exists, especially for cases,
// when storage engine folder is supplied as a part of $name
$this->CheckFolder($path);
- while ( file_exists($path . '/' . $new_name) || in_array(rtrim($path, '/') . '/' . $new_name, $forbidden_names) ) {
- if ( preg_match('/(' . preg_quote($filename, '/') . '_)([0-9]*)(' . preg_quote($ext, '/') . ')/', $new_name, $regs) ) {
- $new_name = $regs[1] . ($regs[2] + 1) . $regs[3];
+ do {
+ if ( preg_match('/(.*)_([0-9]*)(' . preg_quote($ext, '/') . ')/', $new_name, $regs) ) {
+ $new_name = $regs[1] . '_' . ((int)$regs[2] + 1) . $regs[3];
}
- else {
+ elseif ( $original_checked ) {
$new_name = $filename . '_1' . $ext;
}
- }
+
+ $original_checked = true;
+ $res = file_exists($path . '/' . $new_name) || in_array($path . '/' . $new_name, $forbidden_names);
+ } while ($res !== false);
if ( $parts['dirname'] != '.' ) {
$new_name = $parts['dirname'] . '/' . $new_name;
}
return $new_name;
}
}
\ No newline at end of file

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