admin_extensions.php

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<?php
/***************************************************************************
 *								admin_extensions.php
 *								-------------------
 *   begin                : Wednesday, Jan 09, 2002
 *   copyright            : (C) 2002 Meik Sievertsen
 *   email                : acyd.burn@gmx.de
 *
 *   $Id: admin_extensions.php,v 1.1.1.1 2003/02/11 22:27:31 wei.gao 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['Extensions']['Extension_control'] = $filename . '?mode=extensions';
	$module['Extensions']['Extension_group_manage'] = $filename . '?mode=groups';
	$module['Extensions']['Forbidden_extensions'] = $filename . '?mode=forbidden';
	return;
}

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

//
// Init Vars
//
$types_download = array(INLINE_LINK, PHYSICAL_LINK);
$modes_download = array('inline', 'physical');

$types_category = array(IMAGE_CAT, STREAM_CAT, SWF_CAT);
$modes_category = array($lang['Category_images'], $lang['Category_stream_files'], $lang['Category_swf_files']);

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($HTTP_POST_VARS['mode']) || isset($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 = '';
}

$submit = (isset($HTTP_POST_VARS['submit'])) ? TRUE : FALSE;

//
// Get Attachment Config
//
$attach_config = array();

$sql = 'SELECT * 
FROM ' . ATTACH_CONFIG_TABLE;
	 
if ( !($result = $db->sql_query($sql)) )
{
	message_die(GENERAL_ERROR, 'Could not query attachment information', '', __LINE__, __FILE__, $sql);
}

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

//
// Extension Management
//
if ($submit && $mode == 'extensions')
{
	//
	// Change Extensions ?
	//
	$extension_change_list = ( isset($HTTP_POST_VARS['extension_change_list']) ) ? $HTTP_POST_VARS['extension_change_list'] : array();
	$extension_explain_list = ( isset($HTTP_POST_VARS['extension_explain_list']) ) ? $HTTP_POST_VARS['extension_explain_list'] : array();
	$group_select_list = ( isset($HTTP_POST_VARS['group_select']) ) ? $HTTP_POST_VARS['group_select'] : array();

	//
	// Generate correct Change List
	//
	$extensions = array();

	for ($i = 0; $i < count($extension_change_list); $i++)
	{
		$extensions['_' . $extension_change_list[$i]]['comment'] = stripslashes(htmlspecialchars($extension_explain_list[$i]));
		$extensions['_' . $extension_change_list[$i]]['group_id'] = intval($group_select_list[$i]);
	}

	$sql = "SELECT *
	FROM " . EXTENSIONS_TABLE . "
	ORDER BY ext_id";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Couldn\'t get Extension Informations.', '', __LINE__, __FILE__, $sql);
	}

	if ( ($db->sql_numrows($result)) > 0 )
	{
		$extension_row = $db->sql_fetchrowset($result);

		for ($i = 0; $i < count($extension_row); $i++)
		{
			if ( ($extension_row[$i]['comment'] != $extensions['_' . $extension_row[$i]['ext_id']]['comment']) || (intval($extension_row[$i]['group_id']) != intval($extensions['_' . $extension_row[$i]['ext_id']]['group_id'])) )
			{
				$sql = "UPDATE " . EXTENSIONS_TABLE . " 
				SET comment = '" . $extensions['_' . $extension_row[$i]['ext_id']]['comment'] . "', group_id = " . $extensions['_' . $extension_row[$i]['ext_id']]['group_id'] . "
				WHERE ext_id = " . $extension_row[$i]['ext_id'];
				
				if (!$db->sql_query($sql))
				{
					message_die(GENERAL_ERROR, 'Couldn\'t update Extension Informations', '', __LINE__, __FILE__, $sql);
				}
			}
		}
	}

	//
	// Delete Extension ?
	//
	$extension_id_list = ( isset($HTTP_POST_VARS['extension_id_list']) ) ?  $HTTP_POST_VARS['extension_id_list'] : array();

	$extension_id_sql = implode(', ', $extension_id_list);

	if ( $extension_id_sql != '' )
	{
		$sql = 'DELETE 
		FROM ' . EXTENSIONS_TABLE . ' 
		WHERE ext_id IN (' . $extension_id_sql . ')';

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

	}
		
	//
	// Add Extension ?
	//
	$extension = ( isset($HTTP_POST_VARS['add_extension']) ) ?  trim(strip_tags($HTTP_POST_VARS['add_extension'])) : '';
	$extension_explain = ( isset($HTTP_POST_VARS['add_extension_explain']) ) ?  trim(strip_tags($HTTP_POST_VARS['add_extension_explain'])) : '';
	$extension_group = ( isset($HTTP_POST_VARS['add_group_select']) ) ?  intval($HTTP_POST_VARS['add_group_select']) : '';
	$add = ( isset($HTTP_POST_VARS['add_extension_check']) ) ? TRUE : FALSE;

	if ($extension != '' && $add)
	{
		$template->assign_vars(array(
			'ADD_EXTENSION' => $extension,
			'ADD_EXTENSION_EXPLAIN' => $extension_explain)
		);
	
		if (!$error)
		{
			//
			// check extension
			//
			$sql = "SELECT extension 
			FROM " . EXTENSIONS_TABLE;
	
			if ( !($result = $db->sql_query($sql)) )
			{
				message_die(GENERAL_ERROR, 'Could not query Extensions', '', __LINE__, __FILE__, $sql);
			}
			
			$row = $db->sql_fetchrowset($result);
			$num_rows = $db->sql_numrows($result);

			if ( $num_rows > 0 )
			{
				for ($i = 0; $i < $num_rows; $i++)
				{
					if (strtolower(trim($row[$i]['extension'])) == strtolower(trim($extension)))
					{
						$error = TRUE;
						if( isset($error_msg) )
						{
							$error_msg .= '<br />';
						}
						$error_msg .= sprintf($lang['Extension_exist'], strtolower(trim($extension)));
					}
				}
			}
			
			//
			// Extension Forbidden ?
			//
			if (!$error)
			{
				$sql = "SELECT extension 
				FROM " . FORBIDDEN_EXTENSIONS_TABLE;
	
				if ( !($result = $db->sql_query($sql)) )
				{
					message_die(GENERAL_ERROR, 'Could not query Extensions', '', __LINE__, __FILE__, $sql);
				}
			
				$row = $db->sql_fetchrowset($result);
				$num_rows = $db->sql_numrows($result);

				if ( $num_rows > 0 )
				{
					for ($i = 0; $i < $num_rows; $i++)
					{
						if (strtolower(trim($row[$i]['extension'])) == strtolower(trim($extension)))
						{
							$error = TRUE;
							if( isset($error_msg) )
							{
								$error_msg .= '<br />';
							}
							$error_msg .= sprintf($lang['Unable_add_forbidden_extension'], strtolower(trim($extension)));
						}
					}
				}
		
			}

			if (!$error)
			{
				$sql = "INSERT INTO " . EXTENSIONS_TABLE . " (group_id, extension, comment) 
				VALUES (" . $extension_group . ", '" . strtolower(trim($extension)) . "', '" . trim($extension_explain) . "')";
	
				if( !$db->sql_query($sql) )
				{
					message_die(GENERAL_ERROR, 'Could not add Extension', '', __LINE__, __FILE__, $sql);
				}

			}
		}
	}

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

		message_die(GENERAL_MESSAGE, $message);
	}
}

if ($mode == 'extensions')
{
	//
	// Extensions
	//
	$template->set_filenames(array(
		'body' => 'admin/attach_extensions.tpl')
	);

	$template->assign_vars(array(
		'L_EXTENSIONS_TITLE' => $lang['Manage_extensions'],
		'L_EXTENSIONS_EXPLAIN' => $lang['Manage_extensions_explain'],
		'L_SELECT' => $lang['Select'],
		'L_EXPLANATION' => $lang['Explanation'],
		'L_EXTENSION' => $lang['Extension'],
		'L_EXTENSION_GROUP' => $lang['Extension_group'],
		'L_ADD_NEW' => $lang['Add_new'],
		'L_DELETE' => $lang['Delete'],
		'L_CANCEL' => $lang['Cancel'],
		'L_SUBMIT' => $lang['Submit'],

		'S_CANCEL_ACTION' => append_sid("admin_extensions.$phpEx?mode=extensions"),
		'S_ATTACH_ACTION' => append_sid("admin_extensions.$phpEx?mode=extensions"))
	);

	if ($submit)
	{
		$template->assign_vars(array(
			'S_ADD_GROUP_SELECT' => group_select('add_group_select', $extension_group))
		);
	}
	else
	{
		$template->assign_vars(array(
			'S_ADD_GROUP_SELECT' => group_select('add_group_select'))
		);
	}

	$sql = "SELECT * FROM " . EXTENSIONS_TABLE . " ORDER BY group_id";

	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Couldn\'t get Extension informations', '', __LINE__, __FILE__, $sql);
	}

	$extension_row = $db->sql_fetchrowset($result);
	$num_extension_row = $db->sql_numrows($result);

	if ( $num_extension_row > 0 )
	{
		$extension_row = sort_multi_array ($extension_row, 'group_name', 'ASC');
		
		for ($i = 0; $i < $num_extension_row; $i++)
		{
			if ($submit)
			{
				$template->assign_block_vars('extension_row', array(
					'EXT_ID' => $extension_row[$i]['ext_id'],
					'EXTENSION' => $extension_row[$i]['extension'],
					'EXTENSION_EXPLAIN' => $extension_explain_list[$i], 
					'S_GROUP_SELECT' => group_select('group_select[]', $group_select_list[$i]))
				);
			}
			else
			{
				$template->assign_block_vars('extension_row', array(
					'EXT_ID' => $extension_row[$i]['ext_id'],
					'EXTENSION' => $extension_row[$i]['extension'],
					'EXTENSION_EXPLAIN' => $extension_row[$i]['comment'],
					'S_GROUP_SELECT' => group_select('group_select[]', $extension_row[$i]['group_id']))
				);
			}
		}
	}

}

//
// Extension Groups
//
if ($submit && $mode == 'groups')
{
	//
	// Change Extension Groups ?
	//
	$group_change_list = ( isset($HTTP_POST_VARS['group_change_list']) ) ? $HTTP_POST_VARS['group_change_list'] : array();
	$extension_group_list = ( isset($HTTP_POST_VARS['extension_group_list']) ) ? $HTTP_POST_VARS['extension_group_list'] : array();
	$group_allowed_list = ( isset($HTTP_POST_VARS['allowed_list']) ) ? $HTTP_POST_VARS['allowed_list'] : array();
	$download_mode_list = ( isset($HTTP_POST_VARS['download_mode_list']) ) ? $HTTP_POST_VARS['download_mode_list'] : array();
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