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| Current File : /home1/savoy/public_html/savoyglobal.net/sibs_draft/system/application/libraries/Multi_upload.php |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* This library assumes that you have already loaded the default CI Upload Library seperately
*
* Functions is based upon CI_Upload, Feel free to modify this
* library to function as an extension to CI_Upload
*
* Library modified by: Alvin Mites
* http://www.mitesdesign.com
*
*/
class Multi_upload {
function Multi_upload () {
// $CI =& get_instance();
}
/**
* Perform multiple file uploads
* Based upon JQuery Multiple Upload Class
* see http://www.fyneworks.com/jquery/multiple-file-upload/
*/
function go_upload($field = 'userfile') {
$CI =& get_instance();
// Is $_FILES[$field] set? If not, no reason to continue.
if ( ! isset($_FILES[$field]['name'][0]))
{
$CI->upload->set_error('upload_no_file_selected');
return FALSE;
} else
{
$num_files = count($_FILES[$field]['name']) -1;
$file_list = array();
$error_hold = array();
$error_upload = FALSE;
}
// Is the upload path valid?
if ( ! $CI->upload->validate_upload_path())
{
// errors will already be set by validate_upload_path() so just return FALSE
return FALSE;
}
for ($i=0; $i < $num_files; $i++) {
// $fname = $_FILES[$field]['name'][$i];
// echo "$fname\n\n<br><br>\n\n";
$error_hold[$i] = FALSE;
// Was the file able to be uploaded? If not, determine the reason why.
if ( ! is_uploaded_file($_FILES[$field]['tmp_name'][$i]))
{
$error = ( ! isset($_FILES[$field]['error'][$i])) ? 4 : $_FILES[$field]['error'][$i];
switch($error)
{
case 1: // UPLOAD_ERR_INI_SIZE
$error_hold[$i] = 'upload_file_exceeds_limit';
break;
case 2: // UPLOAD_ERR_FORM_SIZE
$error_hold[$i] = 'upload_file_exceeds_form_limit';
break;
case 3: // UPLOAD_ERR_PARTIAL
$error_hold[$i] = 'upload_file_partial';
break;
case 4: // UPLOAD_ERR_NO_FILE
$error_hold[$i] = 'upload_no_file_selected';
break;
case 6: // UPLOAD_ERR_NO_TMP_DIR
$error_hold[$i] = 'upload_no_temp_directory';
break;
case 7: // UPLOAD_ERR_CANT_WRITE
$error_hold[$i] = 'upload_unable_to_write_file';
break;
case 8: // UPLOAD_ERR_EXTENSION
$error_hold[$i] = 'upload_stopped_by_extension';
break;
default :
$error_hold[$i] = 'upload_no_file_selected';
break;
}
return FALSE;
}
// Set the uploaded data as class variables
$CI->upload->file_temp = $_FILES[$field]['tmp_name'][$i];
$CI->upload->file_name = $CI->upload->_prep_filename($_FILES[$field]['name'][$i]);
$CI->upload->file_size = $_FILES[$field]['size'][$i];
$CI->upload->file_type = preg_replace("/^(.+?);.*$/", "\\1", $_FILES[$field]['type'][$i]);
$CI->upload->file_type = strtolower($CI->upload->file_type);
$CI->upload->file_ext = $CI->upload->get_extension($_FILES[$field]['name'][$i]);
// Convert the file size to kilobytes
if ($CI->upload->file_size > 0)
{
$CI->upload->file_size = round($CI->upload->file_size/1024, 2);
}
// Is the file type allowed to be uploaded?
/*if ( ! $CI->upload->is_allowed_filetype())
{
$error_hold[$i] = 'upload_invalid_filetype';
}
// Is the file size within the allowed maximum?
if ( ! $CI->upload->is_allowed_filesize())
{
$error_hold[$i] = 'upload_invalid_filesize';
}
// Are the image dimensions within the allowed size?
// Note: This can fail if the server has an open_basdir restriction.
if ( ! $CI->upload->is_allowed_dimensions())
{
$error_hold[$i] = 'upload_invalid_dimensions';
}*/
// Sanitize the file name for security
$CI->upload->file_name = $CI->upload->clean_file_name($CI->upload->file_name);
// Remove white spaces in the name
if ($CI->upload->remove_spaces == TRUE)
{
$CI->upload->file_name = preg_replace("/\s+/", "_", $CI->upload->file_name);
}
/*
* Validate the file name
* This function appends an number onto the end of
* the file if one with the same name already exists.
* If it returns false there was a problem.
*/
$CI->upload->orig_name = $CI->upload->file_name;
if ($CI->upload->overwrite == FALSE)
{
$CI->upload->file_name = $CI->upload->set_filename($CI->upload->upload_path, $CI->upload->file_name);
if ($CI->upload->file_name === FALSE)
{
$error_hold[$i] = TRUE;
}
}
/*
* Move the file to the final destination
* To deal with different server configurations
* we'll attempt to use copy() first. If that fails
* we'll use move_uploaded_file(). One of the two should
* reliably work in most environments
*/
if ( ! @copy($CI->upload->file_temp, $CI->upload->upload_path.$CI->upload->file_name))
{
if ( ! @move_uploaded_file($CI->upload->file_temp, $CI->upload->upload_path.$CI->upload->file_name))
{
$error_hold[$i] = 'upload_destination_error';
}
}
/*
* Run the file through the XSS hacking filter
* This helps prevent malicious code from being
* embedded within a file. Scripts can easily
* be disguised as images or other file types.
*/
if ($CI->upload->xss_clean == TRUE)
{
$CI->upload->do_xss_clean();
}
if ($error_hold[$i]) {
$error_upload = TRUE;
// echo $error_hold[$i];
} else {
if ($imageVar = $this->multiple_image_properties($CI->upload->upload_path.$CI->upload->file_name)) {
$file_list[] = array(
'name' => $CI->upload->file_name,
'file' => $CI->upload->upload_path.$CI->upload->file_name,
'size' => $CI->upload->file_size,
'ext' => $CI->upload->file_ext,
'image_type' => $imageVar->image_type,
'height' => $imageVar->height,
'width' => $imageVar->width
);
} else {
$file_list[] = array(
'name' => $CI->upload->file_name,
'file' => $CI->upload->upload_path.$CI->upload->file_name,
'size' => $CI->upload->file_size,
'type' => $CI->upload->file_type,
'ext' => $CI->upload->file_ext,
);
}
}
// For debugging
/*
if (strlen($error_hold[$i]) > 1) {
print_r($error_hold);
}
*/
} // end for loop
// Add error display for individual files
if ($error_upload) {
$this->set_error($error_hold);
return FALSE;
} else {
return $file_list;
}
}
// --------------------------------------------------------------------
/**
* Set Image Properties
*
* Uses GD to determine the width/height/type of image
*
* @access public
* @param string
* @return void
*/
function multiple_image_properties($path = '')
{
$CI =& get_instance();
if ( ! $CI->upload->is_image())
{
return false;
}
if (function_exists('getimagesize'))
{
if (FALSE !== ($D = @getimagesize($path)))
{
$types = array(1 => 'gif', 2 => 'jpeg', 3 => 'png');
$image->width = $D['0'];
$image->height = $D['1'];
$image->image_type = ( ! isset($types[$D['2']])) ? 'unknown' : $types[$D['2']];
return $image;
}
}
}
// --------------------------------------------------------------------
/**
* Set an error message
*
* @access public
* @param string
* @return void
*/
function set_error($msg)
{
$CI =& get_instance();
$CI->lang->load('upload');
if (is_array($msg))
{
foreach ($msg as $val)
{
$msg = ($CI->lang->line($val) == FALSE) ? $val : $CI->lang->line($val);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
}
else
{
$msg = ($CI->lang->line($msg) == FALSE) ? $msg : $CI->lang->line($msg);
$this->error_msg[] = $msg;
log_message('error', $msg);
}
}
// --------------------------------------------------------------------
}
?>