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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 mcp_ban
{
    var $u_action;
    function main($id, $mode)
    {
        global $db, $user, $auth, $template, $request, $phpbb_dispatcher;
        global $phpbb_root_path, $phpEx;
        if (!function_exists('user_ban'))
        {
            include($phpbb_root_path . 'includes/functions_user.' . $phpEx);
        }
        // Include the admin banning interface...
        if (!class_exists('acp_ban'))
        {
            include($phpbb_root_path . 'includes/acp/acp_ban.' . $phpEx);
        }
        $bansubmit        = $request->is_set_post('bansubmit');
        $unbansubmit    = $request->is_set_post('unbansubmit');
        $user->add_lang(array('acp/ban', 'acp/users'));
        $this->tpl_name = 'mcp_ban';
        /**
        * Use this event to pass perform actions when a ban is issued or revoked
        *
        * @event core.mcp_ban_main
        * @var    bool    bansubmit    True if a ban is issued
        * @var    bool    unbansubmit    True if a ban is removed
        * @var    string    mode        Mode of the ban that is being worked on
        * @since 3.1.0-RC5
        */
        $vars = array(
            'bansubmit',
            'unbansubmit',
            'mode',
        );
        extract($phpbb_dispatcher->trigger_event('core.mcp_ban_main', compact($vars)));
        // Ban submitted?
        if ($bansubmit)
        {
            // Grab the list of entries
            $ban                = $request->variable('ban', '', $mode === 'user');
            $ban_length            = $request->variable('banlength', 0);
            $ban_length_other    = $request->variable('banlengthother', '');
            $ban_exclude        = $request->variable('banexclude', 0);
            $ban_reason            = $request->variable('banreason', '', true);
            $ban_give_reason    = $request->variable('bangivereason', '', true);
            if ($ban)
            {
                if (confirm_box(true))
                {
                    $abort_ban = false;
                    /**
                    * Use this event to modify the ban details before the ban is performed
                    *
                    * @event core.mcp_ban_before
                    * @var    string    mode                One of the following: user, ip, email
                    * @var    string    ban                    Either string or array with usernames, ips or email addresses
                    * @var    int        ban_length            Ban length in minutes
                    * @var    string    ban_length_other    Ban length as a date (YYYY-MM-DD)
                    * @var    bool    ban_exclude            Are we banning or excluding from another ban
                    * @var    string    ban_reason            Ban reason displayed to moderators
                    * @var    string    ban_give_reason        Ban reason displayed to the banned user
                    * @var    mixed    abort_ban            Either false, or an error message that is displayed to the user.
                    *                                    If a string is given the bans are not issued.
                    * @since 3.1.0-RC5
                    */
                    $vars = array(
                        'mode',
                        'ban',
                        'ban_length',
                        'ban_length_other',
                        'ban_exclude',
                        'ban_reason',
                        'ban_give_reason',
                        'abort_ban',
                    );
                    extract($phpbb_dispatcher->trigger_event('core.mcp_ban_before', compact($vars)));
                    if ($abort_ban)
                    {
                        trigger_error($abort_ban);
                    }
                    user_ban($mode, $ban, $ban_length, $ban_length_other, $ban_exclude, $ban_reason, $ban_give_reason);
                    /**
                    * Use this event to perform actions after the ban has been performed
                    *
                    * @event core.mcp_ban_after
                    * @var    string    mode                One of the following: user, ip, email
                    * @var    string    ban                    Either string or array with usernames, ips or email addresses
                    * @var    int        ban_length            Ban length in minutes
                    * @var    string    ban_length_other    Ban length as a date (YYYY-MM-DD)
                    * @var    bool    ban_exclude            Are we banning or excluding from another ban
                    * @var    string    ban_reason            Ban reason displayed to moderators
                    * @var    string    ban_give_reason        Ban reason displayed to the banned user
                    * @since 3.1.0-RC5
                    */
                    $vars = array(
                        'mode',
                        'ban',
                        'ban_length',
                        'ban_length_other',
                        'ban_exclude',
                        'ban_reason',
                        'ban_give_reason',
                    );
                    extract($phpbb_dispatcher->trigger_event('core.mcp_ban_after', compact($vars)));
                    trigger_error($user->lang['BAN_UPDATE_SUCCESSFUL'] . '<br /><br /><a href="' . $this->u_action . '">&laquo; ' . $user->lang['BACK_TO_PREV'] . '</a>');
                }
                else
                {
                    $hidden_fields = array(
                        'mode'                => $mode,
                        'ban'                => $ban,
                        'bansubmit'            => true,
                        'banlength'            => $ban_length,
                        'banlengthother'    => $ban_length_other,
                        'banexclude'        => $ban_exclude,
                        'banreason'            => $ban_reason,
                        'bangivereason'        => $ban_give_reason,
                    );
                    /**
                    * Use this event to pass data from the ban form to the confirmation screen
                    *
                    * @event core.mcp_ban_confirm
                    * @var    array    hidden_fields    Hidden fields that are passed through the confirm screen
                    * @since 3.1.0-RC5
                    */
                    $vars = array('hidden_fields');
                    extract($phpbb_dispatcher->trigger_event('core.mcp_ban_confirm', compact($vars)));
                    confirm_box(false, $user->lang['CONFIRM_OPERATION'], build_hidden_fields($hidden_fields));
                }
            }
        }
        else if ($unbansubmit)
        {
            $ban = $request->variable('unban', array(''));
            if ($ban)
            {
                if (confirm_box(true))
                {
                    user_unban($mode, $ban);
                    trigger_error($user->lang['BAN_UPDATE_SUCCESSFUL'] . '<br /><br /><a href="' . $this->u_action . '">&laquo; ' . $user->lang['BACK_TO_PREV'] . '</a>');
                }
                else
                {
                    confirm_box(false, $user->lang['CONFIRM_OPERATION'], build_hidden_fields(array(
                        'mode'            => $mode,
                        'unbansubmit'    => true,
                        'unban'            => $ban)));
                }
            }
        }
        // Define language vars
        $this->page_title = $user->lang[strtoupper($mode) . '_BAN'];
        $l_ban_explain = $user->lang[strtoupper($mode) . '_BAN_EXPLAIN'];
        $l_ban_exclude_explain = $user->lang[strtoupper($mode) . '_BAN_EXCLUDE_EXPLAIN'];
        $l_unban_title = $user->lang[strtoupper($mode) . '_UNBAN'];
        $l_unban_explain = $user->lang[strtoupper($mode) . '_UNBAN_EXPLAIN'];
        $l_no_ban_cell = $user->lang[strtoupper($mode) . '_NO_BANNED'];
        switch ($mode)
        {
            case 'user':
                $l_ban_cell = $user->lang['USERNAME'];
            break;
            case 'ip':
                $l_ban_cell = $user->lang['IP_HOSTNAME'];
            break;
            case 'email':
                $l_ban_cell = $user->lang['EMAIL_ADDRESS'];
            break;
        }
        display_ban_end_options();
        display_ban_options($mode);
        $template->assign_vars(array(
            'L_TITLE'                => $this->page_title,
            'L_EXPLAIN'                => $l_ban_explain,
            'L_UNBAN_TITLE'            => $l_unban_title,
            'L_UNBAN_EXPLAIN'        => $l_unban_explain,
            'L_BAN_CELL'            => $l_ban_cell,
            'L_BAN_EXCLUDE_EXPLAIN'    => $l_ban_exclude_explain,
            'L_NO_BAN_CELL'            => $l_no_ban_cell,
            'S_USERNAME_BAN'    => ($mode == 'user') ? true : false,
            'U_ACTION'            => $this->u_action,
            'U_FIND_USERNAME'    => append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=searchuser&amp;form=mcp_ban&amp;field=ban'),
        ));
        if ($mode === 'email' && !$auth->acl_get('a_user'))
        {
            return;
        }
        // As a "service" we will check if any post id is specified and populate the username of the poster id if given
        $post_id = $request->variable('p', 0);
        $user_id = $request->variable('u', 0);
        $pre_fill = false;
        if ($user_id && $user_id <> ANONYMOUS)
        {
            $sql = 'SELECT username, user_email, user_ip
                FROM ' . USERS_TABLE . '
                WHERE user_id = ' . $user_id;
            $result = $db->sql_query($sql);
            switch ($mode)
            {
                case 'user':
                    $pre_fill = (string) $db->sql_fetchfield('username');
                break;
                case 'ip':
                    $pre_fill = (string) $db->sql_fetchfield('user_ip');
                break;
                case 'email':
                    $pre_fill = (string) $db->sql_fetchfield('user_email');
                break;
            }
            $db->sql_freeresult($result);
        }
        else if ($post_id)
        {
            $post_info = phpbb_get_post_data(array($post_id), 'm_ban');
            if (count($post_info) && !empty($post_info[$post_id]))
            {
                switch ($mode)
                {
                    case 'user':
                        $pre_fill = $post_info[$post_id]['username'];
                    break;
                    case 'ip':
                        $pre_fill = $post_info[$post_id]['poster_ip'];
                    break;
                    case 'email':
                        $pre_fill = $post_info[$post_id]['user_email'];
                    break;
                }
            }
        }
        if ($pre_fill)
        {
            // left for legacy template compatibility
            $template->assign_var('USERNAMES', $pre_fill);
            $template->assign_var('BAN_QUANTIFIER', $pre_fill);
        }
    }
}