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<?php
/***************************************************************************
*                    $RCSfile: functions_hacks_list.php,v $
*                            -------------------
*   copyright            : (C) 2003 Nivisec.com
*   email                : support@nivisec.com
*
*   $Id: functions_hacks_list.php,v 1.1 2004/04/01 11:20:54 flexiondotorg 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.
*
***************************************************************************/
if (!defined('IN_PHPBB'))
{
    die('Hacking attempt');
}

/****************************************************************************
/** Constants and Main Vars.
/***************************************************************************/
/* Sub-dir to scan for .hl files.  Notice the trailing /!!! */
define('HL_DIR', 'hl/');
/* This will turn all author e-mails into a cryptic item; for example
user@domain.ext => user at domain dot ext */
define('USE_CRYPTIC_EMAIL', true);
/* Setting this to true will print out TONS debug information I use */
define('DEBUG_THIS_MOD', false);
$hl_cache_list = array();


function setup_hacks_list_array()
{
    global $db, $lang, $hl_cache_list;

    $sql = 'SELECT * FROM ' . HACKS_LIST_TABLE;
    if(!$result = $db->sql_query($sql))
    {
        message_die(GENERAL_ERROR, $lang['Error_Hacks_List_Table'], '', __LINE__, __FILE__, $sql);
    }
    $i = 0;
    while ($row = $db->sql_fetchrow($result))
    {
        $hl_cache_list[$row['hack_file']] = $row;
    }
}

function cryptize_hl_email($email)
{
    $cr_email = preg_replace("/@/", " at ", $email);
    $cr_email = preg_replace("/\./", " dot ", $cr_email);

    return $cr_email;
}

function scan_hl_files()
{
    global $board_config, $lang, $hl_cache_list, $phpbb_root_path;

    if (DEBUG_THIS_MOD) $board_config['hacks_list_hl_dir'] = 'hl/';

    //The list of dirs to scan.  By default this is the main phpbb root
    // path and the dir set in the options.
    $scan_dir_list = array(
    $phpbb_root_path,
    $phpbb_root_path . HL_DIR
    );

    foreach($scan_dir_list as $dir_item)
    {
        $dir_handle = opendir($dir_item);

        while (false !== ($file = readdir($dir_handle)))
        {
            if (substr($file, -3, 3) == '.hl')
            {
                if (DEBUG_THIS_MOD) print "<font color=\"red\">DEBUG - HL File Found: $file<br /></font>";
                if (!isset($hl_cache_list[$dir_item.$file]) || $hl_cache_list[$dir_item.$file]['hack_file_mtime'] != filemtime($dir_item.$file))
                {
                    update_hl_file_cache($dir_item.$file);
                }
            }
        }
        closedir($dir_handle);
    }
}

function update_hl_file_cache($filename)
{
    global $db, $lang, $hl_cache_list;

    if (DEBUG_THIS_MOD) print "<font color=\"blue\">DEBUG - Updating File Cache: $filename<br /></font>";

    if (file_exists($filename))
    {
        //Open up the file and read in the data to send to the parse function
        // in an array for each newline
        $parsed_array = parse_hl_file(@file($filename));
        $parsed_array['hack_file'] = $filename;
        $parsed_array['hack_file_mtime'] = filemtime($filename);

        //Make the sql replace command
        $sql_1 = '';
        $sql_2 = '';
        foreach ($parsed_array as $key => $val)
        {
            if ($sql_1 != '') $sql_1 .= ', ';
            if ($sql_2 != '') $sql_2 .= ', ';

            $sql_1 .= $key;
            //Version is also considered numeric here, but we don't want it to be!
            $sql_2 .= (is_numeric($val) && $key != 'hack_version') ? $val : "'".addslashes($val)."'";
        }
        $sql = 'REPLACE INTO ' . HACKS_LIST_TABLE . " ($sql_1) VALUES ($sql_2)";
        if(!$db->sql_query($sql))
        {
            message_die(GENERAL_ERROR, $lang['Error_Hacks_List_Table'], '', __LINE__, __FILE__, $sql);
        }
    }
    else
    {
        message_die(GENERAL_ERROR, sprintf($lang['HL_File_Error'], $filename), '', __LINE__, __FILE__, $sql);
    }
}

function parse_hl_file($file_data)
{
    $data_array = array();
    //Remove commented lines (##) from data
    for ($i=0; $i < count($file_data); $i++)
    {
        if(substr(trim($file_data[$i]), 0, 2) == '##')
        {
            $file_data[$i] = null;
        }
    }

    //Item List
    $search_info_list = array(
    'Name', 'Description', 'Author',
    'Version', 'Download_URL', 'Author_EMAIL',
    'Author_WEB'
    );
    //Item to column in dbase name
    $database_columns = array(
    'Name' => 'hack_name', 'Description' => 'hack_desc', 'Author' => 'hack_author',
    'Version' => 'hack_version', 'Download_URL' => 'hack_download_url', 'Author_EMAIL' => 'hack_author_email',
    'Author_WEB' => 'hack_author_website'
    );

    //Sort out the two arrays
    sort($file_data, SORT_STRING);
    sort($search_info_list, SORT_STRING);

    //Go through to find our items
    foreach($search_info_list as $search_item)
    {
        $found = false;
        $continue = true;
        $i = 0;
        while ($i < count($file_data) && !$found)
        {
            //Our preg_xxxx pattern
            $pattern = '/'.$search_item.'?[ ]=?[ ]/';
            if (preg_match($pattern, $file_data[$i]))
            {
                //Make into tokens
                $tmp = preg_replace($pattern, '', trim($file_data[$i]));
                if (DEBUG_THIS_MOD) print "<font color=\"green\">DEBUG - Found $search_item in $i; using pattern \"$pattern\"<br /></font>";
                $data_array[$database_columns[$search_item]] .= substr($tmp, 1, strlen($tmp) - 2);
                if (DEBUG_THIS_MOD) print "<font color=\"gray\">DEBUG - Tokens Data - " . $data_array[$database_columns[$search_item]] . "</font><br />";
                $found = true;
            }
            $i++;
        }
    }
    return $data_array;
}

if (!function_exists('copyright_nivisec'))
{
    /**
    * @return void
    * @desc Prints a sytlized line of copyright for module
    */
    function copyright_nivisec($name, $year)
    {
        //print '<br /><span class="copyright"><center>'.$name.' &copy; '.$year.' <a href="http://www.nivisec.com" class="copyright">Nivisec.com</a>.</center></span>';
        define('IN_HACKLIST', true);
    }

}

?>