<?php
/***************************************************************************
 *								admin_attachments.php
 *								-------------------
 *   begin                : Wednesday, Jan 09, 2002
 *   copyright            : (C) 2002 Meik Sievertsen
 *   email                : acyd.burn@gmx.de
 *
 *   $Id: admin_attachments.php,v 1.48 2003/08/30 15:47:39 acydburn Exp $
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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.
 *
 ***************************************************************************/

define('IN_PHPBB', true);

if( !empty($setmodules) )
{
	$filename = basename(__FILE__);
	$module['Attachments']['Manage'] = $filename . '?mode=manage';
	$module['Attachments']['Shadow_attachments'] = $filename . '?mode=shadow';
	$module['Extensions']['Special_categories'] = $filename . '?mode=cats';
	$module['Attachments']['Sync_attachments'] = $filename . '?mode=sync';
	$module['Attachments']['Quota_limits'] = $filename . '?mode=quota';
	return;
}

//
// Let's set the root dir for phpBB
//
$phpbb_root_path = '../';
require($phpbb_root_path . 'extension.inc');
require('pagestart.' . $phpEx);

@include_once($phpbb_root_path . 'attach_mod/includes/constants.'.$phpEx);
include($phpbb_root_path . 'includes/functions_admin.'.$phpEx);
@include_once($phpbb_root_path . 'attach_mod/includes/functions_attach.'.$phpEx);

if (!intval($attach_config['allow_ftp_upload']))
{
	if ( ($attach_config['upload_dir'][0] == '/') || ( ($attach_config['upload_dir'][0] != '/') && ($attach_config['upload_dir'][1] == ':') ) )
	{
		$upload_dir = $attach_config['upload_dir'];
	}
	else
	{
		$upload_dir = '../' . $attach_config['upload_dir'];
	}
}
else
{
	$upload_dir = $attach_config['download_path'];
}

include($phpbb_root_path . 'attach_mod/includes/functions_selects.' . $phpEx);
include($phpbb_root_path . 'attach_mod/includes/functions_admin.' . $phpEx);

//
// Init Vars
//
if( isset($HTTP_POST_VARS['mode']) || isset($HTTP_GET_VARS['mode']) )
{
	$mode = ( isset($HTTP_POST_VARS['mode']) ) ? $HTTP_POST_VARS['mode'] : $HTTP_GET_VARS['mode'];
}
else
{
	$mode = '';
}

if( isset($HTTP_POST_VARS['e_mode']) || isset($HTTP_GET_VARS['e_mode']) )
{
	$e_mode = ( isset($HTTP_POST_VARS['e_mode']) ) ? $HTTP_POST_VARS['e_mode'] : $HTTP_GET_VARS['e_mode'];
}
else
{
	$e_mode = '';
}

if(isset($HTTP_GET_VARS['size']) || isset($HTTP_POST_VARS['size']))
{
	$size = (isset($HTTP_POST_VARS['size'])) ? $HTTP_POST_VARS['size'] : $HTTP_GET_VARS['size'];
}
else
{
	$size = '';
}

if(isset($HTTP_GET_VARS['quota_size']) || isset($HTTP_POST_VARS['quota_size']))
{
	$quota_size = (isset($HTTP_POST_VARS['quota_size'])) ? $HTTP_POST_VARS['quota_size'] : $HTTP_GET_VARS['quota_size'];
}
else
{
	$quota_size = '';
}

if(isset($HTTP_GET_VARS['pm_size']) || isset($HTTP_POST_VARS['pm_size']))
{
	$pm_size = (isset($HTTP_POST_VARS['pm_size'])) ? $HTTP_POST_VARS['pm_size'] : $HTTP_GET_VARS['pm_size'];
}
else
{
	$pm_size = '';
}

$submit = (isset($HTTP_POST_VARS['submit'])) ? TRUE : FALSE;
$check_upload = (isset($HTTP_POST_VARS['settings'])) ? TRUE : FALSE;
$check_image_cat = (isset($HTTP_POST_VARS['cat_settings'])) ? TRUE : FALSE;
$search_imagick = (isset($HTTP_POST_VARS['search_imagick'])) ? TRUE : FALSE;

//
// Re-evaluate the Attachment Configuration
//
$sql = 'SELECT * 
FROM ' . ATTACH_CONFIG_TABLE;
	 
if(!$result = $db->sql_query($sql))
{
	message_die(GENERAL_ERROR, 'Could not find Attachment Config Table', '', __LINE__, __FILE__, $sql);
}

while ($row = $db->sql_fetchrow($result))
{
	$config_name = $row['config_name'];
	$config_value = $row['config_value'];

	$new_attach[$config_name] = ( isset($HTTP_POST_VARS[$config_name]) ) ? trim($HTTP_POST_VARS[$config_name]) : trim($attach_config[$config_name]);

	if ((empty($size)) && (!$submit) && ($config_name == 'max_filesize'))
	{
		$size = (intval($attach_config[$config_name]) >= 1048576) ? 'mb' : ( (intval($attach_config[$config_name]) >= 1024) ? 'kb' : 'b' );
	} 

	if ((empty($quota_size)) && (!$submit) && ($config_name == 'attachment_quota'))
	{
		$quota_size = (intval($attach_config[$config_name]) >= 1048576) ? 'mb' : ( (intval($attach_config[$config_name]) >= 1024) ? 'kb' : 'b' );
	}

	if ((empty($pm_size)) && (!$submit) && ($config_name == 'max_filesize_pm'))
	{
		$pm_size = (intval($attach_config[$config_name]) >= 1048576) ? 'mb' : ( (intval($attach_config[$config_name]) >= 1024) ? 'kb' : 'b' );
	}

	if ( (!$submit) && (($config_name == 'max_filesize') || ($config_name == 'attachment_quota') || ($config_name == 'max_filesize_pm')) )
	{
		if($new_attach[$config_name] >= 1048576)
		{
			$new_attach[$config_name] = round($new_attach[$config_name] / 1048576 * 100) / 100;
		}
		else if($new_attach[$config_name] >= 1024)
		{
			$new_attach[$config_name] = round($new_attach[$config_name] / 1024 * 100) / 100;
		}
	}

	if ( $submit && ( $mode == 'manage' || $mode == 'cats') )
	{
		if ($config_name == 'max_filesize')
		{
			$old = $new_attach[$config_name];
			$new_attach[$config_name] = ( $size == 'kb' ) ? round($new_attach[$config_name] * 1024) : ( ($size == 'mb') ? round($new_attach[$config_name] * 1048576) : $new_attach[$config_name] );
		}
		
		if ($config_name == 'attachment_quota')
		{
			$old = $new_attach[$config_name];
			$new_attach[$config_name] = ( $quota_size == 'kb' ) ? round($new_attach[$config_name] * 1024) : ( ($quota_size == 'mb') ? round($new_attach[$config_name] * 1048576) : $new_attach[$config_name] );
		}

		if ($config_name == 'max_filesize_pm')
		{
			$old = $new_attach[$config_name];
			$new_attach[$config_name] = ( $pm_size == 'kb' ) ? round($new_attach[$config_name] * 1024) : ( ($pm_size == 'mb') ? round($new_attach[$config_name] * 1048576) : $new_attach[$config_name] );
		}

		if ($config_name == 'ftp_server' || $config_name == 'ftp_path' || $config_name == 'download_path')
		{
			$value = trim($new_attach[$config_name]);

			if ($value[strlen($value)-1] == '/')
			{
				$value[strlen($value)-1] = ' ';
			}
			
			$new_attach[$config_name] = trim($value);

		}
		
		if ($config_name == 'max_filesize')
		{
			$old_size = intval($attach_config[$config_name]);
			$new_size = intval($new_attach[$config_name]);

			if ($old_size != $new_size)
			{
				//
				// See, if we have a similar value of old_size in Mime Groups. If so, update these values.
				//
				$sql = 'UPDATE ' . EXTENSION_GROUPS_TABLE . '
				SET max_filesize = ' . $new_size . '
				WHERE max_filesize = ' . $old_size;

				if ( !($result_2 = $db->sql_query($sql)) )
				{
					message_die(GENERAL_ERROR, 'Could not update Extension Group informations', '', __LINE__, __FILE__, $sql);
				}

			}

			$sql = "UPDATE " . ATTACH_CONFIG_TABLE . " 
			SET	config_value = '" . str_replace("\'", "''", $new_attach[$config_name]) . "'
			WHERE config_name = '$config_name'";
		}
		else
		{
			$sql = "UPDATE " . ATTACH_CONFIG_TABLE . " 
			SET	config_value = '" . str_replace("\'", "''", $new_attach[$config_name]) . "'
			WHERE config_name = '$config_name'";
		}

		if( !$db->sql_query($sql) )
		{
			message_die(GENERAL_ERROR, 'Failed to update attachment configuration for ' . $config_name, '', __LINE__, __FILE__, $sql);
		}
	
		if ( ($config_name == 'max_filesize') || ($config_name == 'attachment_quota') || ($config_name == 'max_filesize_pm') )
		{
			$new_attach[$config_name] = $old;
		}
	}
}

$cache_dir = $phpbb_root_path . '/cache';
$cache_file = $cache_dir . '/attach_config.php';

if ((file_exists($cache_dir)) && (is_dir($cache_dir)))
{
	if (file_exists($cache_file))
	{
		@unlink($cache_file);
	}
}

$select_size_mode = size_select('size', $size);
$select_quota_size_mode = size_select('quota_size', $quota_size);
$select_pm_size_mode = size_select('pm_size', $pm_size);

//
// Search Imagick
//
if ($search_imagick)
{
	$imagick = '';
	
	if (eregi('convert', $imagick)) 
	{
		return (TRUE);
	} 
	else if ($imagick != 'none') 
	{
		if (!eregi('WIN', PHP_OS)) 
		{
			$retval = @exec('whereis convert');
			$paths = explode(' ', $retval);

			if (is_array($paths)) 
			{
				for ( $i=0; $i < sizeof($paths); $i++) 
				{
					$path = basename($paths[$i]);

					if ($path == 'convert') 
					{
						$imagick = $paths[$i];
					}
				}
			}
		}
		else if (eregi('WIN', PHP_OS))
		{
			$path = 'D:/Appserv/ImageMagick/bin/convert.exe';

			if (@file_exists(@amod_realpath($path)))
			{
				$imagick = $path;
			}
		}
	} 

	if (@file_exists(@amod_realpath(trim($imagick))))
	{
		$new_attach['img_imagick'] = trim($imagick);
	}
	else
	{
		$new_attach['img_imagick'] = '';
	}
}

//
// Check Settings
//
if ($check_upload)
{
	// 
	// Some tests...
	//
	$attach_config = array();

	$sql = 'SELECT *
	FROM ' . ATTACH_CONFIG_TABLE;

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not find Attachment Config Table', '', __LINE__, __FILE__, $sql);
	}

	$row = $db->sql_fetchrowset($result);
	$num_rows = $db->sql_numrows($result);

	for ($i = 0; $i < $num_rows; $i++)
	{
		$attach_config[$row[$i]['config_name']] = trim($row[$i]['config_value']);
	}

	if ( ($attach_config['upload_dir'][0] == '/') || ( ($attach_config['upload_dir'][0] != '/') && ($attach_config['upload_dir'][1] == ':') ) )
	{
		$upload_dir = $attach_config['upload_dir'];
	}
	else
	{
		$upload_dir = '../' . $attach_config['upload_dir'];
	}

	$error = FALSE;

	//
	// Does the target directory exist, is it a directory and writeable. (only test if ftp upload is disabled)
	//
	if (intval($attach_config['allow_ftp_upload']) == 0)
	{
		if ( !@file_exists(@amod_realpath($upload_dir)) )
		{
			$error = TRUE;
			$error_msg = sprintf($lang['Directory_does_not_exist'], $attach_config['upload_dir']) . '<br />';
		}
	
		if (!$error && !is_dir($upload_dir))
		{
			$error = TRUE;
			$error_msg = sprintf($lang['Directory_is_not_a_dir'], $attach_config['upload_dir']) . '<br />';
		}
	
		if (!$error)
		{
			if ( !($fp = @fopen($upload_dir . '/0_000000.000', 'w')) )
			{
				$error = TRUE;
				$error_msg = sprintf($lang['Directory_not_writeable'], $attach_config['upload_dir']) . '<br />';
			}
			else
			{
				@fclose($fp);
				unlink_attach($upload_dir . '/0_000000.000');
			}
		}
	}
	else
	{
		//
		// Check FTP Settings
		//
		$server = ( empty($attach_config['ftp_server']) ) ? 'localhost' : $attach_config['ftp_server'];

		$conn_id = @ftp_connect($server);

		if (!$conn_id)
		{
			$error = TRUE;
			$error_msg = sprintf($lang['Ftp_error_connect'], $server) . '<br />';
		}

		$login_result = @ftp_login($conn_id, $attach_config['ftp_user'], $attach_config['ftp_pass']);

		if ( (!$login_result) && (!$error) )
		{
			$error = TRUE;
			$error_msg = sprintf($lang['Ftp_error_login'], $attach_config['ftp_user']) . '<br />';
		}
		
		if (!@ftp_pasv($conn_id, intval($attach_config['ftp_pasv_mode'])))
		{
			$error = TRUE;
			$error_msg = $lang['Ftp_error_pasv_mode'];
		}

		if (!$error)
		{
			//
			// Check Upload
			//
			$tmpfname = @tempnam('/tmp', 't0000');

			@unlink($tmpfname); // unlink for safety on php4.0.3+

			$fp = @fopen($tmpfname, 'w');

			@fwrite($fp, 'test');

			@fclose($fp);

			$result = @ftp_chdir($conn_id, $attach_config['ftp_path']);

			if (!$result)
			{
				$error = TRUE;
				$error_msg = sprintf($lang['Ftp_error_path'], $attach_config['ftp_path']) . '<br />';
			}
			else
			{
				$res = @ftp_put($conn_id, 't0000', $tmpfname, FTP_ASCII);
				
				if (!$res)
				{
					$error = TRUE;
					$error_msg = sprintf($lang['Ftp_error_upload'], $attach_config['ftp_path']) . '<br />';
				}
				else
				{
					$res = @ftp_delete($conn_id, 't0000');

					if (!$res)
					{
						$error = TRUE;
						$error_msg = sprintf($lang['Ftp_error_delete'], $attach_config['ftp_path']) . '<br />';
					}
				}
			}

			@ftp_quit($conn_id);

			@unlink($tmpfname);
		}
	}
	
	if (!$error)
	{
		message_die(GENERAL_MESSAGE, $lang['Test_settings_successful'] . '<br /><br />' . sprintf($lang['Click_return_attach_config'], '<a href="' . append_sid("admin_attachments.$phpEx?mode=manage") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_admin_index'], '<a href="' . append_sid("index.$phpEx?pane=right") . '">', '</a>'));
	}
}

//
// Management
//
if ($submit && $mode == 'manage')
{
	if (!$error)
	{
		message_die(GENERAL_MESSAGE, $lang['Attach_config_updated'] . '<br /><br />' . sprintf($lang['Click_return_attach_config'], '<a href="' . append_sid("admin_attachments.$phpEx?mode=manage") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_admin_index'], '<a href="' . append_sid("index.$phpEx?pane=right") . '">', '</a>'));
	}
}

if ($mode == 'manage')
{

	$template->set_filenames(array(
		'body' => 'admin/attach_manage_body.tpl')
	);

	$yes_no_switches = array('disable_mod', 'allow_pm_attach', 'allow_ftp_upload', 'attachment_topic_review', 'display_order', 'show_apcp', 'ftp_pasv_mode');

	for ($i = 0; $i < count($yes_no_switches); $i++)
	{
		eval("\$" . $yes_no_switches[$i] . "_yes = ( \$new_attach['" . $yes_no_switches[$i] . "'] != '0' ) ? 'checked=\"checked\"' : '';");
		eval("\$" . $yes_no_switches[$i] . "_no = ( \$new_attach['" . $yes_no_switches[$i] . "'] == '0' ) ? 'checked=\"checked\"' : '';");
	}

	if (!function_exists('ftp_connect'))
	{
		$template->assign_block_vars('switch_no_ftp', array());
	}
	else
	{
		$template->assign_block_vars('switch_ftp', array());
	}

	$template->assign_vars(array(
		'L_MANAGE_TITLE' => $lang['Attach_settings'],
		'L_MANAGE_EXPLAIN' => $lang['Manage_attachments_explain'],
		'L_ATTACHMENT_SETTINGS' => $lang['Attach_settings'],
		'L_ATTACHMENT_FILESIZE_SETTINGS' => $lang['Attach_filesize_settings'],
		'L_ATTACHMENT_NUMBER_SETTINGS' => $lang['Attach_number_settings'],
		'L_ATTACHMENT_OPTIONS_SETTINGS' => $lang['Attach_options_settings'],
		'L_ATTACHMENT_FTP_SETTINGS' => $lang['ftp_info'],
		'L_NO_FTP_EXTENSIONS' => $lang['No_ftp_extensions_installed'],
		'L_UPLOAD_DIR' => $lang['Upload_directory'],
		'L_UPLOAD_DIR_EXPLAIN' => $lang['Upload_directory_explain'],
		'L_ATTACHMENT_IMG_PATH' => $lang['Attach_img_path'],
		'L_IMG_PATH_EXPLAIN' => $lang['Attach_img_path_explain'],
		'L_ATTACHMENT_TOPIC_ICON' => $lang['Attach_topic_icon'],
		'L_TOPIC_ICON_EXPLAIN' => $lang['Attach_topic_icon_explain'],
		'L_DISPLAY_ORDER' => $lang['Attach_display_order'],
		'L_DISPLAY_ORDER_EXPLAIN' => $lang['Attach_display_order_explain'],
		'L_YES' => $lang['Yes'],
		'L_NO' => $lang['No'],
		'L_DESC' => $lang['Sort_Descending'],
		'L_ASC' => $lang['Sort_Ascending'],
		'L_SUBMIT' => $lang['Submit'],
		'L_RESET' => $lang['Reset'],
		'L_MAX_FILESIZE' => $lang['Max_filesize_attach'],
		'L_MAX_FILESIZE_EXPLAIN' => $lang['Max_filesize_attach_explain'],
		'L_ATTACH_QUOTA' => $lang['Attach_quota'],
		'L_ATTACH_QUOTA_EXPLAIN' => $lang['Attach_quota_explain'],
		'L_DEFAULT_QUOTA_LIMIT' => $lang['Default_quota_limit'],
		'L_DEFAULT_QUOTA_LIMIT_EXPLAIN' => $lang['Default_quota_limit_explain'],
		'L_MAX_FILESIZE_PM' => $lang['Max_filesize_pm'],
		'L_MAX_FILESIZE_PM_EXPLAIN' => $lang['Max_filesize_pm_explain'],
		'L_MAX_ATTACHMENTS' => $lang['Max_attachments'],
		'L_MAX_ATTACHMENTS_EXPLAIN' => $lang['Max_attachments_explain'],
		'L_MAX_ATTACHMENTS_PM' => $lang['Max_attachments_pm'],
		'L_MAX_ATTACHMENTS_PM_EXPLAIN' => $lang['Max_attachments_pm_explain'],
		'L_DISABLE_MOD' => $lang['Disable_mod'],
		'L_DISABLE_MOD_EXPLAIN' => $lang['Disable_mod_explain'],
		'L_PM_ATTACH' => $lang['PM_Attachments'],
		'L_PM_ATTACH_EXPLAIN' => $lang['PM_Attachments_explain'],
		'L_FTP_UPLOAD' => $lang['Ftp_upload'],
		'L_FTP_UPLOAD_EXPLAIN' => $lang['Ftp_upload_explain'],
		'L_ATTACHMENT_TOPIC_REVIEW' => $lang['Attachment_topic_review'],
		'L_ATTACHMENT_TOPIC_REVIEW_EXPLAIN' => $lang['Attachment_topic_review_explain'],
		'L_ATTACHMENT_FTP_PATH' => $lang['Attach_ftp_path'],
		'L_ATTACHMENT_FTP_USER' => $lang['ftp_username'],
		'L_ATTACHMENT_FTP_PASS' => $lang['ftp_password'],
		'L_ATTACHMENT_FTP_PATH_EXPLAIN' => $lang['Attach_ftp_path_explain'],
		'L_ATTACHMENT_FTP_SERVER' => $lang['Ftp_server'],
		'L_ATTACHMENT_FTP_SERVER_EXPLAIN' => $lang['Ftp_server_explain'],
		'L_FTP_PASSIVE_MODE' => $lang['Ftp_passive_mode'],
		'L_FTP_PASSIVE_MODE_EXPLAIN' => $lang['Ftp_passive_mode_explain'],
		'L_DOWNLOAD_PATH' => $lang['Ftp_download_path'],
		'L_DOWNLOAD_PATH_EXPLAIN' => $lang['Ftp_download_path_explain'],
		'L_SHOW_APCP' => $lang['Show_apcp'],
		'L_SHOW_APCP_EXPLAIN' => $lang['Show_apcp_explain'],
		'L_TEST_SETTINGS' => $lang['Test_settings'],

		'S_ATTACH_ACTION' => append_sid('admin_attachments.' . $phpEx . '?mode=manage'),
		'S_FILESIZE' => $select_size_mode,
		'S_FILESIZE_QUOTA' => $select_quota_size_mode,
		'S_FILESIZE_PM' => $select_pm_size_mode,
		'S_DEFAULT_UPLOAD_LIMIT' => default_quota_limit_select('default_upload_quota', intval(trim($new_attach['default_upload_quota']))),
		'S_DEFAULT_PM_LIMIT' => default_quota_limit_select('default_pm_quota', intval(trim($new_attach['default_pm_quota']))),
		'L_UPLOAD_QUOTA' => $lang['Upload_quota'],
		'L_PM_QUOTA' => $lang['Pm_quota'],

		'UPLOAD_DIR' => $new_attach['upload_dir'],
		'ATTACHMENT_IMG_PATH' => $new_attach['upload_img'],
		'TOPIC_ICON' => $new_attach['topic_icon'],
		'MAX_FILESIZE' => $new_attach['max_filesize'],
		'ATTACHMENT_QUOTA' => $new_attach['attachment_quota'],
		'MAX_FILESIZE_PM' => $new_attach['max_filesize_pm'],
		'MAX_ATTACHMENTS' => $new_attach['max_attachments'],
		'MAX_ATTACHMENTS_PM' => $new_attach['max_attachments_pm'],
		'FTP_SERVER' => $new_attach['ftp_server'],
		'FTP_PATH' => $new_attach['ftp_path'],
		'FTP_USER' => $new_attach['ftp_user'],
		'FTP_PASS' => $new_attach['ftp_pass'],
		'DOWNLOAD_PATH' => $new_attach['download_path'],
		'DISABLE_MOD_YES' => $disable_mod_yes,
		'DISABLE_MOD_NO' => $disable_mod_no,
		'PM_ATTACH_YES' => $allow_pm_attach_yes,
		'PM_ATTACH_NO' => $allow_pm_attach_no,
		'FTP_UPLOAD_YES' => $allow_ftp_upload_yes,
		'FTP_UPLOAD_NO' => $allow_ftp_upload_no,
		'FTP_PASV_MODE_YES' => $ftp_pasv_mode_yes,
		'FTP_PASV_MODE_NO' => $ftp_pasv_mode_no,
		'TOPIC_REVIEW_YES' => $attachment_topic_review_yes,
		'TOPIC_REVIEW_NO' => $attachment_topic_review_no,
		'DISPLAY_ORDER_ASC' => $display_order_yes,
		'DISPLAY_ORDER_DESC' => $display_order_no,
		'SHOW_APCP_YES' => $show_apcp_yes,
		'SHOW_APCP_NO' => $show_apcp_no)
	);

} 

//
// Shadow Attachments
//
if ($submit && $mode == 'shadow')
{
	//
	// Delete Attachments from file system...
	//
	$attach_file_list = ( isset($HTTP_POST_VARS['attach_file_list']) ) ?  $HTTP_POST_VARS['attach_file_list'] : array();
	
	for ($i = 0; $i < count($attach_file_list); $i++)
	{
		unlink_attach($attach_file_list[$i]);
	}
	
	//
	// Delete Attachments from table...
	//
	$attach_id_list = ( isset($HTTP_POST_VARS['attach_id_list']) ) ?  $HTTP_POST_VARS['attach_id_list'] : array();

	$attach_id_sql = implode(', ', $attach_id_list);

	if( $attach_id_sql != '' )
	{
		$sql = 'DELETE 
		FROM ' . ATTACHMENTS_DESC_TABLE . ' 
		WHERE attach_id IN (' . $attach_id_sql . ')';

		if( !$result = $db->sql_query($sql) )
		{
			message_die(GENERAL_ERROR, 'Could not delete attachment entries', '', __LINE__, __FILE__, $sql);
		}

		$sql = 'DELETE 
		FROM ' . ATTACHMENTS_TABLE . ' 
		WHERE attach_id IN (' . $attach_id_sql . ')';

		if( !$result = $db->sql_query($sql) )
		{
			message_die(GENERAL_ERROR, 'Could not delete attachment entries', '', __LINE__, __FILE__, $sql);
		}

	}

	$message = $lang['Attach_config_updated'] . '<br /><br />' . sprintf($lang['Click_return_attach_config'], '<a href="' . append_sid("admin_attachments.$phpEx?mode=shadow") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_admin_index'], '<a href="' . append_sid("index.$phpEx?pane=right") . '">', '</a>');

	message_die(GENERAL_MESSAGE, $message);
}

if ($mode == 'shadow')
{
	@set_time_limit(0);
	
	//
	// Shadow Attachments
	//
	$template->set_filenames(array(
		'body' => 'admin/attach_shadow.tpl')
	);

	$shadow_attachments = array();
	$shadow_row = array();

	$template->assign_vars(array(
		'L_SHADOW_TITLE' => $lang['Shadow_attachments'],
		'L_SHADOW_EXPLAIN' => $lang['Shadow_attachments_explain'],
		'L_EXPLAIN_FILE' => $lang['Shadow_attachments_file_explain'],
		'L_EXPLAIN_ROW' => $lang['Shadow_attachments_row_explain'],
		'L_ATTACHMENT' => $lang['Attachment'],
		'L_COMMENT' => $lang['File_comment'],
		'L_DELETE' => $lang['Delete'],
		'L_DELETE_MARKED' => $lang['Delete_marked'],
		'L_MARK_ALL' => $lang['Mark_all'],
		'L_UNMARK_ALL' => $lang['Unmark_all'],
		
		'S_HIDDEN' => $hidden,
		'S_ATTACH_ACTION' => append_sid('admin_attachments.' . $phpEx . '?mode=shadow'))
	);

	$table_attachments = array();
	$assign_attachments = array();
	$file_attachments = array();

	//
	// collect all attachments in attach-table
	//
	$sql = "SELECT attach_id, physical_filename, comment 
	FROM " . ATTACHMENTS_DESC_TABLE . "
	ORDER BY attach_id";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get attachment informations', '', __LINE__, __FILE__, $sql);
	}

	$i = 0;
	while ($row = $db->sql_fetchrow($result))
	{
		$table_attachments['attach_id'][$i] = $row['attach_id'];
		$table_attachments['physical_filename'][$i] = trim($row['physical_filename']);
		$table_attachments['comment'][$i] = $row['comment'];
		$i++;
	}

	$sql = "SELECT attach_id
	FROM " . ATTACHMENTS_TABLE . "
	GROUP BY attach_id";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get attachment informations', '', __LINE__, __FILE__, $sql);
	}

	while ($row = $db->sql_fetchrow($result))
	{
		$assign_attachments[] = intval($row['attach_id']);
	}

	//
	// collect all attachments on file-system
	//
	$file_attachments = collect_attachments();

	$shadow_attachments = array();
	$shadow_row = array();	

	//
	// Now determine the needed Informations
	//
	
	// Go through all Files on the filespace and see if all are stored within the DB
	for ($i = 0; $i < count($file_attachments); $i++)
	{
		if (count($table_attachments['attach_id']) > 0)
		{
			if ($file_attachments[$i] != '')
			{
				if (!in_array(trim($file_attachments[$i]), $table_attachments['physical_filename']) )
				{	
					$shadow_attachments[] = trim($file_attachments[$i]);
					// Delete this file from the file_attachments to not have double assignments in next steps
					$file_attachments[$i] = '';
				}
			}
		}
		else
		{
			if ($file_attachments[$i] != '')
			{
				$shadow_attachments[] = trim($file_attachments[$i]);
				// Delete this file from the file_attachments to not have double assignments in next steps
				$file_attachments[$i] = '';
			}
		}
	}

	// Go through the Database and get those Files not stored at the Filespace
	for ($i = 0; $i < count($table_attachments['attach_id']); $i++)
	{
		if ($table_attachments['physical_filename'][$i] != '')
		{
			if ( !in_array(trim($table_attachments['physical_filename'][$i]), $file_attachments))
			{	
				$shadow_row['attach_id'][] = $table_attachments['attach_id'][$i];
				$shadow_row['physical_filename'][] = trim($table_attachments['physical_filename'][$i]);
				$shadow_row['comment'][] = $table_attachments['comment'][$i];
				// Delete this entry from the table_attachments, to not interfere with the next step
				$table_attachments['attach_id'][$i] = -1;
				$table_attachments['physical_filename'][$i] = '';
				$table_attachments['comment'][$i] = '';
			}
		}
	}

	// Now look at the missing posts and PM's
	for ($i = 0; $i < count($table_attachments['attach_id']); $i++)
	{
		if ($table_attachments['attach_id'][$i] != -1)
		{
			if (!entry_exists($table_attachments['attach_id'][$i]))
			{
				$shadow_row['attach_id'][] = $table_attachments['attach_id'][$i];
				$shadow_row['physical_filename'][] = trim($table_attachments['physical_filename'][$i]);
				$shadow_row['comment'][] = $table_attachments['comment'][$i];
			}
		}
	}

	// Now look for Attachment ID's defined for posts or topics but not defined at the Attachments Description Table
	for ($i = 0; $i < count($assign_attachments); $i++)
	{
		if (!in_array($assign_attachments[$i], $table_attachments['attach_id']))
		{
			$shadow_row['attach_id'][] = $assign_attachments[$i];
			$shadow_row['physical_filename'][] = $lang['Empty_file_entry'];
			$shadow_row['comment'][] = $lang['Empty_file_entry'];
		}
	}

	for ($i = 0; $i < count($shadow_attachments); $i++)
	{
		$template->assign_block_vars('file_shadow_row', array(
			'ATTACH_ID' => $shadow_attachments[$i],
			'ATTACH_FILENAME' => $shadow_attachments[$i],
			'ATTACH_COMMENT' => $lang['No_file_comment_available'],
			'U_ATTACHMENT' => $upload_dir . '/' . $shadow_attachments[$i])
		);
	}

	for ($i = 0; $i < count($shadow_row['attach_id']); $i++)
	{
		$template->assign_block_vars('table_shadow_row', array(
			'ATTACH_ID' => $shadow_row['attach_id'][$i],
			'ATTACH_FILENAME' => $shadow_row['physical_filename'][$i],
			'ATTACH_COMMENT' => ( trim($shadow_row['comment'][$i]) == '' ) ? $lang['No_file_comment_available'] : trim($shadow_row['comment'][$i]))
		);
	}
}

if ($submit && $mode == 'cats')
{
	if (!$error)
	{
		message_die(GENERAL_MESSAGE, $lang['Attach_config_updated'] . '<br /><br />' . sprintf($lang['Click_return_attach_config'], '<a href="' . append_sid("admin_attachments.$phpEx?mode=cats") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_admin_index'], '<a href="' . append_sid("index.$phpEx?pane=right") . '">', '</a>'));
	}
}

if ($mode == 'cats')
{
	$template->set_filenames(array(
		'body' => 'admin/attach_cat_body.tpl')
	);

	$s_assigned_group_images = $lang['None'];
	$s_assigned_group_streams = $lang['None'];
	$s_assigned_group_flash = $lang['None'];
	
	$sql = "SELECT group_name, cat_id
	FROM " . EXTENSION_GROUPS_TABLE . "
	WHERE cat_id > 0
	ORDER BY cat_id";

	$s_assigned_group_images = array();
	$s_assigned_group_streams = array();
	$s_assigned_group_flash = array();

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get Group Names from ' . EXTENSION_GROUPS_TABLE, '', __LINE__, __FILE__, $sql);
	}

	$row = $db->sql_fetchrowset($result);

	for ($i = 0; $i < count($row); $i++)
	{
		if ($row[$i]['cat_id'] == IMAGE_CAT)
		{
			$s_assigned_group_images[] = $row[$i]['group_name'];
		}
		else if ($row[$i]['cat_id'] == STREAM_CAT)
		{
			$s_assigned_group_streams[] = $row[$i]['group_name'];
		}
		else if ($row[$i]['cat_id'] == SWF_CAT)
		{
			$s_assigned_group_flash[] = $row[$i]['group_name'];
		}
	}

	$display_inlined_yes = ( $new_attach['img_display_inlined'] != '0' ) ? 'checked="checked"' : '';
	$display_inlined_no = ( $new_attach['img_display_inlined'] == '0' ) ? 'checked="checked"' : '';

	$create_thumbnail_yes = ( $new_attach['img_create_thumbnail'] != '0' ) ? 'checked="checked"' : '';
	$create_thumbnail_no = ( $new_attach['img_create_thumbnail'] == '0' ) ? 'checked="checked"' : '';

	$use_gd2_yes = ( $new_attach['use_gd2'] != '0' ) ? 'checked="checked"' : '';
	$use_gd2_no = ( $new_attach['use_gd2'] == '0' ) ? 'checked="checked"' : '';

	//
	// Check Thumbnail Support
	//
	if ( (!is_imagick()) && (count(get_supported_image_types()) == 0) )
	{
		$new_attach['img_create_thumbnail'] = '0';
	}
	else
	{
		$template->assign_block_vars('switch_thumbnail_support', array());
	}

	$template->assign_vars(array(
		'L_MANAGE_CAT_TITLE' => $lang['Manage_categories'],
		'L_MANAGE_CAT_EXPLAIN' => $lang['Manage_categories_explain'],
		'L_SETTINGS_CAT_IMAGES' => $lang['Settings_cat_images'],
		'L_SETTINGS_CAT_STREAM' => $lang['Settings_cat_streams'],
		'L_SETTINGS_CAT_FLASH' => $lang['Settings_cat_flash'],
		'L_ASSIGNED_GROUP' => $lang['Assigned_group'],

		'L_DISPLAY_INLINED' => $lang['Display_inlined'],
		'L_DISPLAY_INLINED_EXPLAIN' => $lang['Display_inlined_explain'],
		'L_MAX_IMAGE_SIZE' => $lang['Max_image_size'],
		'L_MAX_IMAGE_SIZE_EXPLAIN' => $lang['Max_image_size_explain'],
		'L_IMAGE_LINK_SIZE' => $lang['Image_link_size'],
		'L_IMAGE_LINK_SIZE_EXPLAIN' => $lang['Image_link_size_explain'],
		'L_CREATE_THUMBNAIL' => $lang['Image_create_thumbnail'],
		'L_CREATE_THUMBNAIL_EXPLAIN' => $lang['Image_create_thumbnail_explain'],
		'L_MIN_THUMB_FILESIZE' => $lang['Image_min_thumb_filesize'],
		'L_MIN_THUMB_FILESIZE_EXPLAIN' => $lang['Image_min_thumb_filesize_explain'],
		'L_IMAGICK_PATH' => $lang['Image_imagick_path'],
		'L_IMAGICK_PATH_EXPLAIN' => $lang['Image_imagick_path_explain'],
		'L_SEARCH_IMAGICK' => $lang['Image_search_imagick'],
		'L_BYTES' => $lang['Bytes'],
		'L_TEST_SETTINGS' => $lang['Test_settings'],
		'L_YES' => $lang['Yes'],
		'L_NO' => $lang['No'],
		'L_SUBMIT' => $lang['Submit'],
		'L_RESET' => $lang['Reset'],
		'L_USE_GD2' => $lang['Use_gd2'],
		'L_USE_GD2_EXPLAIN' => $lang['Use_gd2_explain'],

		'IMAGE_MAX_HEIGHT' => $new_attach['img_max_height'],
		'IMAGE_MAX_WIDTH' => $new_attach['img_max_width'],
		
		'IMAGE_LINK_HEIGHT' => $new_attach['img_link_height'],
		'IMAGE_LINK_WIDTH' => $new_attach['img_link_width'],
		'IMAGE_MIN_THUMB_FILESIZE' => $new_attach['img_min_thumb_filesize'],
		'IMAGE_IMAGICK_PATH' => $new_attach['img_imagick'],

		'DISPLAY_INLINED_YES' => $display_inlined_yes,
		'DISPLAY_INLINED_NO' => $display_inlined_no,
		
		'CREATE_THUMBNAIL_YES' => $create_thumbnail_yes,
		'CREATE_THUMBNAIL_NO' => $create_thumbnail_no,

		'USE_GD2_YES' => $use_gd2_yes,
		'USE_GD2_NO' => $use_gd2_no,

		'S_ASSIGNED_GROUP_IMAGES' => implode(', ', $s_assigned_group_images),
		'S_ATTACH_ACTION' => append_sid('admin_attachments.' . $phpEx . '?mode=cats'))
	);
}

//
// Check Cat Settings
//
if ($check_image_cat)
{
	// 
	// Some tests...
	//
	$attach_config = array();

	$sql = 'SELECT *
	FROM ' . ATTACH_CONFIG_TABLE;

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not find Attachment Config Table', '', __LINE__, __FILE__, $sql);
	}

	$row = $db->sql_fetchrowset($result);
	$num_rows = $db->sql_numrows($result);

	for ($i = 0; $i < $num_rows; $i++)
	{
		$attach_config[$row[$i]['config_name']] = trim($row[$i]['config_value']);
	}

	if ( ($attach_config['upload_dir'][0] == '/') || ( ($attach_config['upload_dir'][0] != '/') && ($attach_config['upload_dir'][1] == ':') ) )
	{
		$upload_dir = $attach_config['upload_dir'];
	}
	else
	{
		$upload_dir = '../' . $attach_config['upload_dir'];
	}
	
	$upload_dir = $upload_dir . '/' . THUMB_DIR;

	$error = FALSE;

	//
	// Does the target directory exist, is it a directory and writeable. (only test if ftp upload is disabled)
	//
	if ( (intval($attach_config['allow_ftp_upload']) == 0) && (intval($attach_config['img_create_thumbnail']) == 1) )
	{
		if ( !@file_exists(@amod_realpath($upload_dir)) )
		{
			@mkdir($upload_dir, 0755);
			@chmod($upload_dir, 0777);
		
			if ( !@file_exists(@amod_realpath($upload_dir)) )
			{
				$error = TRUE;
				$error_msg = sprintf($lang['Directory_does_not_exist'], $upload_dir) . '<br />';
			}

		}
	
		if (!$error && !is_dir($upload_dir))
		{
			$error = TRUE;
			$error_msg = sprintf($lang['Directory_is_not_a_dir'], $upload_dir) . '<br />';
		}
	
		if (!$error)
		{
			if ( !($fp = @fopen($upload_dir . '/0_000000.000', 'w')) )
			{
				$error = TRUE;
				$error_msg = sprintf($lang['Directory_not_writeable'], $upload_dir) . '<br />';
			}
			else
			{
				@fclose($fp);
				@unlink($upload_dir . '/0_000000.000');
			}
		}
	}
	else if ( (intval($attach_config['allow_ftp_upload'])) && (intval($attach_config['img_create_thumbnail'])) )
	{
		//
		// Check FTP Settings
		//
		$server = ( empty($attach_config['ftp_server']) ) ? 'localhost' : $attach_config['ftp_server'];

		$conn_id = @ftp_connect($server);

		if (!$conn_id)
		{
			$error = TRUE;
			$error_msg = sprintf($lang['Ftp_error_connect'], $server) . '<br />';
		}

		$login_result = @ftp_login($conn_id, $attach_config['ftp_user'], $attach_config['ftp_pass']);

		if ( (!$login_result) && (!$error) )
		{
			$error = TRUE;
			$error_msg = sprintf($lang['Ftp_error_login'], $attach_config['ftp_user']) . '<br />';
		}
		
		if (!@ftp_pasv($conn_id, intval($attach_config['ftp_pasv_mode'])))
		{
			$error = TRUE;
			$error_msg = $lang['Ftp_error_pasv_mode'];
		}

		if (!$error)
		{
			//
			// Check Upload
			//
			$tmpfname = @tempnam('/tmp', 't0000');

			@unlink($tmpfname); // unlink for safety on php4.0.3+

			$fp = @fopen($tmpfname, 'w');

			@fwrite($fp, 'test');

			@fclose($fp);

			$result = @ftp_chdir($conn_id, $attach_config['ftp_path'] . '/' . THUMB_DIR);
			
			if (!$result)
			{
				@ftp_mkdir($conn_id, $attach_config['ftp_path'] . '/' . THUMB_DIR);
			}
			
			$result = @ftp_chdir($conn_id, $attach_config['ftp_path'] . '/' . THUMB_DIR);

			if (!$result)
			{
					
				$error = TRUE;
				$error_msg = sprintf($lang['Ftp_error_path'], $attach_config['ftp_path'] . '/' . THUMB_DIR) . '<br />';
			}
			else
			{
				$res = @ftp_put($conn_id, 't0000', $tmpfname, FTP_ASCII);
				
				if (!$res)
				{
					$error = TRUE;
					$error_msg = sprintf($lang['Ftp_error_upload'], $attach_config['ftp_path'] . '/' . THUMB_DIR) . '<br />';
				}
				else
				{
					$res = @ftp_delete($conn_id, 't0000');

					if (!$res)
					{
						$error = TRUE;
						$error_msg = sprintf($lang['Ftp_error_delete'], $attach_config['ftp_path'] . '/' . THUMB_DIR) . '<br />';
					}
				}
			}

			@ftp_quit($conn_id);

			@unlink($tmpfname);
		}
	}
	
	if (!$error)
	{
		message_die(GENERAL_MESSAGE, $lang['Test_settings_successful'] . '<br /><br />' . sprintf($lang['Click_return_attach_config'], '<a href="' . append_sid("admin_attachments.$phpEx?mode=cats") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_admin_index'], '<a href="' . append_sid("index.$phpEx?pane=right") . '">', '</a>'));
	}
}

if ($mode == 'sync')
{
	$info = '';
	@set_time_limit(0);

	echo 'Sync Topics';
	
	$sql = "SELECT topic_id	FROM " . TOPICS_TABLE;
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get topic ID', '', __LINE__, __FILE__, $sql);
	}

	echo '<br />';

	$i = 0;
	while( $row = $db->sql_fetchrow($result) )
	{
		@flush();
		echo '.';
		if ($i % 50 == 0)
		{
			echo '<br />';
		}
		attachment_sync_topic($row['topic_id']);
		$i++;
	}
	$db->sql_freeresult($result);

	echo '<br /><br />';
	echo 'Sync Posts';
	
	// Reassign Attachments to the Poster ID
	$sql = "SELECT a.attach_id, a.post_id, a.user_id_1, p.poster_id FROM " . ATTACHMENTS_TABLE . " a, " . POSTS_TABLE . " p 
	WHERE a.user_id_2 = 0 AND p.post_id = a.post_id AND a.user_id_1 <> p.poster_id";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get post ID', '', __LINE__, __FILE__, $sql);
	}

	echo '<br />';

	$rows = $db->sql_fetchrowset($result);
	$num_rows = $db->sql_numrows($result);

	for ($i = 0; $i < $num_rows; $i++)
	{
		$sql = "UPDATE " . ATTACHMENTS_TABLE . " SET user_id_1 = " . intval($rows[$i]['poster_id']) . " WHERE attach_id = " . intval($rows[$i]['attach_id']) . " AND post_id = " . intval($rows[$i]['post_id']);

		$db->sql_query($sql);

		@flush();
		echo '.';
		if ($i % 50 == 0)
		{
			echo '<br />';
		}
	}

	echo '<br /><br />';
	echo 'Sync Thumbnails';
	
	// Sync Thumbnails (if a thumbnail is no longer there, delete it)
	// Get all Posts/PM's with the Thumbnail Flag set
	// Go through all of them and make sure the Thumbnail exist. If it does not exist, unset the Thumbnail Flag
	$sql = "SELECT attach_id, physical_filename, thumbnail FROM " . ATTACHMENTS_DESC_TABLE . " WHERE thumbnail = 1";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get thumbnail informations', '', __LINE__, __FILE__, $sql);
	}
	
	echo '<br />';

	$i = 0;
	while ($row = $db->sql_fetchrow($result))
	{
		@flush();
		echo '.';
		if ($i % 50 == 0)
		{
			echo '<br />';
		}

		if (!thumbnail_exists($row['physical_filename']))
		{
			$info .= sprintf($lang['Sync_thumbnail_resetted'], $row['physical_filename']) . '<br />';
			$sql = "UPDATE " . ATTACHMENTS_DESC_TABLE . " SET thumbnail = 0 WHERE attach_id = " . $row['attach_id'];
			if ( !($db->sql_query($sql)) )
			{
				$error = $db->sql_error();
				die('Could not update thumbnail informations -> ' . $error['message'] . ' -> ' . $sql);
			}
		}
		$i++;
	}
	$db->sql_freeresult($result);

	// Sync Thumbnails (make sure all non-existent thumbnails are deleted) - the other way around
	// Get all Posts/PM's with the Thumbnail Flag NOT set
	// Go through all of them and make sure the Thumbnail does NOT exist. If it does exist, delete it
	$sql = "SELECT attach_id, physical_filename, thumbnail FROM " . ATTACHMENTS_DESC_TABLE . " WHERE thumbnail = 0";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get thumbnail informations', '', __LINE__, __FILE__, $sql);
	}
	
	echo '<br />';

	$i = 0;
	while ($row = $db->sql_fetchrow($result))
	{
		@flush();
		echo '.';
		if ($i % 50 == 0)
		{
			echo '<br />';
		}

		if (thumbnail_exists($row['physical_filename']))
		{
			$info .= sprintf($lang['Sync_thumbnail_resetted'], $row['physical_filename']) . '<br />';
			unlink_attach($row['physical_filename'], MODE_THUMBNAIL);
		}
		$i++;
	}
	$db->sql_freeresult($result);

	@flush();
	die('<br /><br /><br />' . $lang['Attach_sync_finished'] . '<br /><br />' . $info);

	exit;
}

// Quota Limit Settings
if ($submit && $mode == 'quota')
{
	//
	// Change Quota Limit
	//
	$quota_change_list = ( isset($HTTP_POST_VARS['quota_change_list']) ) ? $HTTP_POST_VARS['quota_change_list'] : array();
	$quota_desc_list = ( isset($HTTP_POST_VARS['quota_desc_list']) ) ? $HTTP_POST_VARS['quota_desc_list'] : array();
	$filesize_list = ( isset($HTTP_POST_VARS['max_filesize_list']) ) ? $HTTP_POST_VARS['max_filesize_list'] : array();
	$size_select_list = ( isset($HTTP_POST_VARS['size_select_list']) ) ? $HTTP_POST_VARS['size_select_list'] : array();

	$allowed_list = array();

	for ($i = 0; $i < count($quota_change_list); $i++)
	{
		$filesize_list[$i] = ( $size_select_list[$i] == 'kb' ) ? round($filesize_list[$i] * 1024) : ( ($size_select_list[$i] == 'mb') ? round($filesize_list[$i] * 1048576) : $filesize_list[$i] );

		$sql = "UPDATE " . QUOTA_LIMITS_TABLE . " 
		SET quota_desc = '" . trim(strip_tags($quota_desc_list[$i])) . "', quota_limit = " . $filesize_list[$i] . "
		WHERE quota_limit_id = " . $quota_change_list[$i];
		
		if ( !($db->sql_query($sql)) )
		{
			message_die(GENERAL_ERROR, 'Couldn\'t update Quota Limits', '', __LINE__, __FILE__, $sql);
		}
	}
	
	//
	// Delete Quota Limits
	//
	$quota_id_list = ( isset($HTTP_POST_VARS['quota_id_list']) ) ?  $HTTP_POST_VARS['quota_id_list'] : array();

	$quota_id_sql = implode(', ', $quota_id_list);

	if ($quota_id_sql != '')
	{
		$sql = 'DELETE 
		FROM ' . QUOTA_LIMITS_TABLE . ' 
		WHERE quota_limit_id IN (' . $quota_id_sql . ')';

		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(GENERAL_ERROR, 'Could not delete Quota Limits', '', __LINE__, __FILE__, $sql);
		}

		// Delete Quotas linked to this setting
		$sql = 'DELETE 
		FROM ' . QUOTA_TABLE . ' 
		WHERE quota_limit_id IN (' . $quota_id_sql . ')';

		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(GENERAL_ERROR, 'Could not delete Quotas', '', __LINE__, __FILE__, $sql);
		}

	}
		
	//
	// Add Quota Limit ?
	//
	$quota_desc = ( isset($HTTP_POST_VARS['quota_description']) ) ?  trim(strip_tags($HTTP_POST_VARS['quota_description'])) : '';
	$filesize = ( isset($HTTP_POST_VARS['add_max_filesize']) ) ?  $HTTP_POST_VARS['add_max_filesize'] : '';
	$size_select = ( isset($HTTP_POST_VARS['add_size_select']) ) ?  $HTTP_POST_VARS['add_size_select'] : '';
	$add = ( isset($HTTP_POST_VARS['add_quota_check']) ) ? TRUE : FALSE;

	if ($quota_desc != '' && $add)
	{
		//
		// check Quota Description
		//
		$sql = 'SELECT quota_desc
		FROM ' . QUOTA_LIMITS_TABLE;
	
		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(GENERAL_ERROR, 'Could not query Quota Limits Table', '', __LINE__, __FILE__, $sql);
		}
			
		$row = $db->sql_fetchrowset($result);
		$num_rows = $db->sql_numrows($result);

		if ( $num_rows > 0 )
		{
			for ($i = 0; $i < $num_rows; $i++)
			{
				if ($row[$i]['quota_desc'] == $quota_desc)
				{
					$error = TRUE;
					if( isset($error_msg) )
					{
						$error_msg .= '<br />';
					}
					$error_msg .= sprintf($lang['Quota_limit_exist'], $extension_group);
				}
			}
		}
			
		if (!$error)
		{
			$filesize = ( $size_select == 'kb' ) ? round($filesize * 1024) : ( ($size_select == 'mb') ? round($filesize * 1048576) : $filesize );
		
			$sql = "INSERT INTO " . QUOTA_LIMITS_TABLE . " (quota_desc, quota_limit) 
			VALUES ('" . $quota_desc . "', " . $filesize . ")";
	
			if ( !($db->sql_query($sql)) )
			{
				message_die(GENERAL_ERROR, 'Could not add Quota Limit', '', __LINE__, __FILE__, $sql);
			}
		}

	}

	if (!$error)
	{
		$message = $lang['Attach_config_updated'] . '<br /><br />' . sprintf($lang['Click_return_attach_config'], '<a href="' . append_sid("admin_attachments.$phpEx?mode=quota") . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_admin_index'], '<a href="' . append_sid("index.$phpEx?pane=right") . '">', '</a>');

		message_die(GENERAL_MESSAGE, $message);
	}

}

if ($mode == 'quota')
{

	$template->set_filenames(array(
		'body' => 'admin/attach_quota_body.tpl')
	);

	$max_add_filesize = intval($attach_config['max_filesize']);
	$size = ($max_add_filesize >= 1048576) ? 'mb' : ( ($max_add_filesize >= 1024) ? 'kb' : 'b' );

	if ($max_add_filesize >= 1048576)
	{
		$max_add_filesize = round($max_add_filesize / 1048576 * 100) / 100;
	}
	else if ( $max_add_filesize >= 1024)
	{
		$max_add_filesize = round($max_add_filesize / 1024 * 100) / 100;
	}

	$template->assign_vars(array(
		'L_MANAGE_QUOTAS_TITLE' => $lang['Manage_quotas'],
		'L_MANAGE_QUOTAS_EXPLAIN' => $lang['Manage_quotas_explain'],
		'L_SUBMIT' => $lang['Submit'],
		'L_RESET' => $lang['Reset'],
		'L_EDIT' => $lang['Edit'],
		'L_VIEW' => $lang['View'],
		'L_DESCRIPTION' => $lang['Description'],
		'L_SIZE' => $lang['Max_filesize_attach'],
		'L_ADD_NEW' => $lang['Add_new'],
		'L_DELETE' => $lang['Delete'],
		'MAX_FILESIZE' => $max_add_filesize,

		'S_FILESIZE' => size_select('add_size_select', $size),
		'L_REMOVE_SELECTED' => $lang['Remove_selected'],

		'S_ATTACH_ACTION' => append_sid('admin_attachments.' . $phpEx . '?mode=quota'))
	);

	$sql = "SELECT * FROM " . QUOTA_LIMITS_TABLE . " ORDER BY quota_limit DESC";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get quota limits', '', __LINE__, __FILE__, $sql);
	}
	
	$rows = $db->sql_fetchrowset($result);

	for ($i = 0; $i < count($rows); $i++)
	{
		$size_format = ($rows[$i]['quota_limit'] >= 1048576) ? 'mb' : ( ($rows[$i]['quota_limit'] >= 1024) ? 'kb' : 'b' );

		if ( $rows[$i]['quota_limit'] >= 1048576)
		{
			$rows[$i]['quota_limit'] = round($rows[$i]['quota_limit'] / 1048576 * 100) / 100;
		}
		else if($rows[$i]['quota_limit'] >= 1024)
		{
			$rows[$i]['quota_limit'] = round($rows[$i]['quota_limit'] / 1024 * 100) / 100;
		}

		$template->assign_block_vars('limit_row', array(
			'QUOTA_NAME' => stripslashes($rows[$i]['quota_desc']),
			'QUOTA_ID' => $rows[$i]['quota_limit_id'],
			'S_FILESIZE' => size_select('size_select_list[]', $size_format),
			'U_VIEW' => append_sid("admin_attachments.$phpEx?mode=$mode&amp;e_mode=view_quota&amp;quota_id=" . $rows[$i]['quota_limit_id']),
			'MAX_FILESIZE' => $rows[$i]['quota_limit'])
		);
	}
}

if ($mode == 'quota' && $e_mode == 'view_quota')
{
	if( isset($HTTP_POST_VARS['quota_id']) || isset($HTTP_GET_VARS['quota_id']) )
	{
		$quota_id = ( isset($HTTP_POST_VARS['quota_id']) ) ? intval($HTTP_POST_VARS['quota_id']) : intval($HTTP_GET_VARS['quota_id']);
	}
	else
	{
		message_die(GENERAL_MESSAGE, 'Invalid Call');
	}

	$template->assign_block_vars('switch_quota_limit_desc', array());

	$sql = "SELECT * FROM " . QUOTA_LIMITS_TABLE . " WHERE quota_limit_id = " . $quota_id . " LIMIT 1";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get quota limits', '', __LINE__, __FILE__, $sql);
	}
	
	$row = $db->sql_fetchrow($result);
	
	$template->assign_vars(array(
		'L_QUOTA_LIMIT_DESC' => $row['quota_desc'],
		'L_ASSIGNED_USERS' => $lang['Assigned_users'],
		'L_ASSIGNED_GROUPS' => $lang['Assigned_groups'],
		'L_UPLOAD_QUOTA' => $lang['Upload_quota'],
		'L_PM_QUOTA' => $lang['Pm_quota'])
	);
	
	$sql = "SELECT q.user_id, u.uname, q.quota_type FROM " . QUOTA_TABLE . " q, " . USERS_TABLE . " u
	WHERE q.quota_limit_id = " . $quota_id . " AND q.user_id <> 0 AND q.user_id = u.uid";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get quota limits', '', __LINE__, __FILE__, $sql);
	}
	
	$rows = $db->sql_fetchrowset($result);
	$num_rows = $db->sql_numrows($result);

	for ($i = 0; $i < $num_rows; $i++)
	{
		if ($rows[$i]['quota_type'] == QUOTA_UPLOAD_LIMIT)
		{
			$template->assign_block_vars('users_upload_row', array(
				'USER_ID' => $rows[$i]['uid'],
				'USERNAME' => $rows[$i]['uname'])
			);
		}
		else if ($rows[$i]['quota_type'] == QUOTA_PM_LIMIT)
		{
			$template->assign_block_vars('users_pm_row', array(
				'USER_ID' => $rows[$i]['uid'],
				'USERNAME' => $rows[$i]['uname'])
			);
		}
	}

	$sql = "SELECT q.group_id, g.group_name, q.quota_type FROM " . QUOTA_TABLE . " q, " . GROUPS_TABLE . " g
	WHERE q.quota_limit_id = " . $quota_id . " AND q.group_id <> 0 AND q.group_id = g.group_id";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not get quota limits', '', __LINE__, __FILE__, $sql);
	}
	
	$rows = $db->sql_fetchrowset($result);
	$num_rows = $db->sql_numrows($result);

	for ($i = 0; $i < $num_rows; $i++)
	{
		if ($rows[$i]['quota_type'] == QUOTA_UPLOAD_LIMIT)
		{
			$template->assign_block_vars('groups_upload_row', array(
				'GROUP_ID' => $rows[$i]['group_id'],
				'GROUPNAME' => $rows[$i]['group_name'])
			);
		}
		else if ($rows[$i]['quota_type'] == QUOTA_PM_LIMIT)
		{
			$template->assign_block_vars('groups_pm_row', array(
				'GROUP_ID' => $rows[$i]['group_id'],
				'GROUPNAME' => $rows[$i]['group_name'])
			);
		}
	}
}


if ($error)
{
	$template->set_filenames(array(
		'reg_header' => 'error_body.tpl')
	);
	
	$template->assign_vars(array(
		'ERROR_MESSAGE' => $error_msg)
	);
	
	$template->assign_var_from_handle('ERROR_BOX', 'reg_header');
}

$template->assign_vars(array(
	'ATTACH_VERSION' => sprintf($lang['Attachment_version'], $attach_config['attach_version']))
);

$template->pparse('body');

include('page_footer_admin.'.$phpEx);

?>