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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
    exit;
}
class acp_disallow
{
    var $u_action;
    function main($id, $mode)
    {
        global $db, $user, $template, $cache, $phpbb_log, $request;
        $user->add_lang('acp/posting');
        // Set up general vars
        $this->tpl_name = 'acp_disallow';
        $this->page_title = 'ACP_DISALLOW_USERNAMES';
        $form_key = 'acp_disallow';
        add_form_key($form_key);
        $disallow = (isset($_POST['disallow'])) ? true : false;
        $allow = (isset($_POST['allow'])) ? true : false;
        if (($allow || $disallow) && !check_form_key($form_key))
        {
            trigger_error($user->lang['FORM_INVALID'] . adm_back_link($this->u_action), E_USER_WARNING);
        }
        if ($disallow)
        {
            $disallowed_user = str_replace('*', '%', $request->variable('disallowed_user', '', true));
            if (!$disallowed_user)
            {
                trigger_error($user->lang['NO_USERNAME_SPECIFIED'] . adm_back_link($this->u_action), E_USER_WARNING);
            }
            $sql = 'SELECT disallow_id
                FROM ' . DISALLOW_TABLE . "
                WHERE disallow_username = '" . $db->sql_escape($disallowed_user) . "'";
            $result = $db->sql_query($sql);
            $row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);
            if ($row)
            {
                trigger_error($user->lang['DISALLOWED_ALREADY'] . adm_back_link($this->u_action), E_USER_WARNING);
            }
            $sql = 'INSERT INTO ' . DISALLOW_TABLE . ' ' . $db->sql_build_array('INSERT', array('disallow_username' => $disallowed_user));
            $db->sql_query($sql);
            $cache->destroy('_disallowed_usernames');
            $message = $user->lang['DISALLOW_SUCCESSFUL'];
            $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_DISALLOW_ADD', false, array(str_replace('%', '*', $disallowed_user)));
            trigger_error($message . adm_back_link($this->u_action));
        }
        else if ($allow)
        {
            $disallowed_id = $request->variable('disallowed_id', 0);
            if (!$disallowed_id)
            {
                trigger_error($user->lang['NO_USERNAME_SPECIFIED'] . adm_back_link($this->u_action), E_USER_WARNING);
            }
            $sql = 'DELETE FROM ' . DISALLOW_TABLE . '
                WHERE disallow_id = ' . $disallowed_id;
            $db->sql_query($sql);
            $cache->destroy('_disallowed_usernames');
            $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_DISALLOW_DELETE');
            trigger_error($user->lang['DISALLOWED_DELETED'] . adm_back_link($this->u_action));
        }
        // Grab the current list of disallowed usernames...
        $sql = 'SELECT *
            FROM ' . DISALLOW_TABLE;
        $result = $db->sql_query($sql);
        $disallow_select = '';
        while ($row = $db->sql_fetchrow($result))
        {
            $disallow_select .= '<option value="' . $row['disallow_id'] . '">' . str_replace('%', '*', $row['disallow_username']) . '</option>';
        }
        $db->sql_freeresult($result);
        $template->assign_vars(array(
            'U_ACTION'                => $this->u_action,
            'S_DISALLOWED_NAMES'    => $disallow_select)
        );
    }
}