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8324bb12bb
various improvements on e_online; no online updates if main admin logged in as another user account; flood protection active for ajax requests now (see e_online comments); user models fixes
271 lines
11 KiB
PHP
Executable File
271 lines
11 KiB
PHP
Executable File
<?php
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/*
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* e107 website system
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*
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* Copyright (C) 2008-2010 e107 Inc (e107.org)
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* Released under the terms and conditions of the
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
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*
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* e107 Main
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*
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* $URL$
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* $Id$
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*/
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/**
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* @package e107
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* @subpackage e107_handlers
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* @version $Id$;
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*
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* Handler to keep track of online users
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*/
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/*
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online_timestamp int(10) unsigned NOT NULL default '0', Start of time period over which accesses counted
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online_flag tinyint(3) unsigned NOT NULL default '0', Not used? (displayed in admin log only)
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online_user_id varchar(100) NOT NULL default '',
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online_ip varchar(45) NOT NULL default '',
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online_location text NOT NULL, Current page being accessed
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online_pagecount tinyint(3) unsigned NOT NULL default '0', Number of page accesses (within most recent timeout interval?)
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online_active int(10) unsigned NOT NULL default '0', Not used? Actually added in the update routines, version 0.7.6. (Also displayed in admin log)
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online_agent varchar(255) NOT NULL default '' User agent - use for bot identification
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Current count() queries:
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a) Total
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b) $sql->db_Count('online', '(*)', "WHERE `online_location` = '{$page}' "));
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Also forum_viewforum.php:
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$member_users = $sql->db_Count('online', '(*)', "WHERE online_location REGEXP('viewforum.php.id=$forumId\$') AND online_user_id != 0");
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$guest_users = $sql->db_Count('online', '(*)', "WHERE online_location REGEXP('viewforum.php.id=$forumId\$') AND online_user_id = 0");
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Following single query gives two rows of data - one for members (online_user_id != 0) and one for guests (online_user_id == 0)
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SELECT COUNT(`online_user_id`) AS ol_count, `online_user_id` FROM `#online` GROUP BY (`online_user_id` = 0)
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*/
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/**
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* @todo Don't create list of online members by default - $listuserson used in forum, online_menu.php, online.php
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* @todo $member_list defined as MEMBER_LIST - used in online_shortcodes.php
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* @todo $members_online, defined as MEMBERS_ONLINE - used in online_menu.php, online_shortcodes.php, online_template.php, online.php, forum.php
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* @todo $total_online defined (indirectly) as GUESTS_ONLINE + MEMBERS_ONLINE - used in online_menu.php, online_shortcodes.php, online_template.php, online.php
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* @todo Possibly online_pagecount should be bigger than tinyint(3)
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* @todo Possibly shouldn't log access to index.php - its usually a redirect - but not always!
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* @todo Can we distinguish between different users at same IP? Browser sig, maybe?
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* @todo Change queries to array access
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* @todo Eliminate other globals
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* @todo Can we simplify counts into one query?
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*/
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class e_online
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{
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/**
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* Go online
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* @param boolean $online_tracking
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* @param boolean $flood_control
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* @return void
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*/
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public function goOnline($online_tracking = false, $flood_control = false)
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{
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// global $pref, $e_event; // Not needed as globals
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//global $online_timeout, $online_warncount, $online_bancount; // Not needed as globals
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//global $members_online, $total_online; // Not needed as globals
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global $listuserson; // FIXME - remove it, make it property, call e_online signleton - e107::getOnline()
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$e107 = e107::getInstance();
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$sql = e107::getDb();
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$user = e107::getUser();
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if($online_tracking || $flood_control)
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{
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$online_timeout = 300;
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list($ban_access_guest,$ban_access_member) = explode(',',e107::getPref('ban_max_online_access', '100,200'));
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$online_bancount = max($ban_access_guest,50); // Safety net for incorrect values
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if ($user->isUser())
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{
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$online_bancount = max($online_bancount,$ban_access_member);
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}
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$online_warncount = $online_bancount * 0.9; // Set warning threshold at 90% of ban threshold
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//TODO Add support for all queries.
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$page = (strpos(e_SELF, 'forum_') !== FALSE) ? e_SELF.'.'.e_QUERY : e_SELF;
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$page = (strpos(e_SELF, 'comment') !== FALSE) ? e_SELF.'.'.e_QUERY : $page;
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$page = (strpos(e_SELF, 'content') !== FALSE) ? e_SELF.'.'.e_QUERY : $page;
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$page = $e107->tp->toDB($page, true);
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$ip = $e107->getip();
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$udata = ($user->isUser() ? $user->getId().'.'.$user->getName() : '0');
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$agent = $_SERVER['HTTP_USER_AGENT'];
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// XXX - more exceptions, e.g. hide online location for admins/users (pref), e_jlsib.php, etc
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// XXX - more advanced flod timing when e_AJAX_REQUEST, e.g. $ban_access_ajax = 300
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$update_page = deftrue('e_AJAX_REQUEST') ? '' : ", online_location='{$page}'";
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$insert_query = array(
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'online_timestamp' => time(),
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'online_flag' => 0,
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'online_user_id' => $udata,
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'online_ip' => $ip,
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'online_location' => $page,
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'online_pagecount' => 1,
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'online_active' => 0,
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'online_agent' => $agent
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);
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// !deftrue('e_AJAX_REQUEST')
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// TODO add option to hide users from online list? boolean online_hide field?
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// don't do anything if main admin logged in as another user
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if ($user->isUser() && !$user->getParentId())
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{
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// Find record that matches IP or visitor, or matches user info
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if ($sql->db_Select('online', '*', "(`online_ip` = '{$ip}' AND `online_user_id` = '0') OR `online_user_id` = '{$udata}'"))
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{
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$row = $sql->db_Fetch();
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if ($row['online_user_id'] == $udata)
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{
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//Matching user record
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if ($row['online_timestamp'] < (time() - $online_timeout))
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{
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//It has been at least 'online_timeout' seconds since this user's info last logged
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//Update user record with timestamp, current IP, current page and set pagecount to 1
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$query = "online_timestamp='".time()."', online_ip='{$ip}'{$update_page}, online_pagecount=1 WHERE online_user_id='{$row['online_user_id']}' LIMIT 1";
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}
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else
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{
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if (!$user->isAdmin())
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{
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$row['online_pagecount'] ++;
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}
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// Update user record with current IP, current page and increment pagecount
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$query = "online_ip='{$ip}'{$update_page}, `online_pagecount` = '".intval($row['online_pagecount'])."' WHERE `online_user_id` = '{$row['online_user_id']}' LIMIT 1";
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}
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}
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else
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{
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//Found matching visitor record (ip only) for this user
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if ($row['online_timestamp'] < (time() - $online_timeout))
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{
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// It has been at least 'timeout' seconds since this user has connected
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// Update record with timestamp, current IP, current page and set pagecount to 1
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$query = "`online_timestamp` = '".time()."', `online_user_id` = '{$udata}'{$update_page}, `online_pagecount` = 1 WHERE `online_ip` = '{$ip}' AND `online_user_id` = '0' LIMIT 1";
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}
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else
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{ // Another visit within the timeout period
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if (!$user->isAdmin())
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{
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$row['online_pagecount'] ++;
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}
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//Update record with current IP, current page and increment pagecount
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$query = "`online_user_id` = '{$udata}'{$update_page}, `online_pagecount` = ".intval($row['online_pagecount'])." WHERE `online_ip` = '{$ip}' AND `online_user_id` = '0' LIMIT 1";
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}
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}
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$sql->db_Update('online', $query);
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}
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else
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{
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$sql->db_Insert('online',$insert_query);
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}
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}
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// don't do anything if main admin logged in as another user
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elseif(!$user->getParentId())
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{
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//Current page request is from a guest
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if ($sql->db_Select('online', '*', "`online_ip` = '{$ip}' AND `online_user_id` = '0'"))
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{ // Recent visitor
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$row = $sql->db_Fetch();
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if ($row['online_timestamp'] < (time() - $online_timeout)) //It has been at least 'timeout' seconds since this ip has connected
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{
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//Update record with timestamp, current page, and set pagecount to 1
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$query = "`online_timestamp` = '".time()."'{$update_page}, `online_pagecount` = 1 WHERE `online_ip` = '{$ip}' AND `online_user_id` = '0' LIMIT 1";
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}
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else
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{
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//Update record with current page and increment pagecount
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$row['online_pagecount'] ++;
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// echo "here {$online_pagecount}";
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$query="`online_pagecount` = {$row['online_pagecount']}{$update_page} WHERE `online_ip` = '{$ip}' AND `online_user_id` = '0' LIMIT 1";
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}
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$sql->db_Update('online', $query);
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}
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else
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{ // New visitor
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$sql->db_Insert('online',$insert_query);
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}
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}
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if ($user->isAdmin() || (e107::getPref('autoban') != 1 && e107::getPref('autoban') != 2) || (!isset($row['online_pagecount']))) // Auto-Ban is switched off. (0 or 3)
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{
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$row['online_pagecount'] = 1;
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}
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// Always allow localhost - any problems are usually semi-intentional!
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if (($row['online_ip'] != '127.0.0.1') && ($row['online_ip'] != e107::LOCALHOST_IP))
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{
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// Check for excessive access
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if ($row['online_pagecount'] > $online_bancount)
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{
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include_lan(e_LANGUAGEDIR.e_LANGUAGE.'/admin/lan_banlist.php');
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if ($e107->add_ban(2,str_replace('--HITS--',$row['online_pagecount'],BANLAN_78),$ip,0))
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{
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e107::getEvent()->trigger('flood', $ip);
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exit;
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}
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}
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elseif ($row['online_pagecount'] >= $online_warncount)
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{
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echo "<div style='text-align:center; font: 11px verdana, tahoma, arial, helvetica, sans-serif;'><b>".LAN_WARNING."</b><br /><br />".CORE_LAN6."<br /></div>";
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exit;
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}
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}
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// Delete records for users (and guests) not seen for a while
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// FIXME - DB optimization - mark records as deleted (online_deleted=1), delete once per hour (could be pref) via e_cron
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// FIXME - Additional prefs for this (it does 2-3 more queries no matter someone need them), could be also separate method
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// Speed up ajax requests
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if(!deftrue('e_AJAX_REQUEST'))
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{
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$sql->db_Delete('online', '`online_timestamp` < '.(time() - $online_timeout));
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// FIXME - don't use constants below, save data in class vars, call e_online signleton - e107::getOnline()
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$total_online = $sql->db_Count('online');
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if ($members_online = $sql->db_Select('online', 'online_user_id, online_location', 'online_user_id != 0'))
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{
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$member_list = '';
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$listuserson = array();
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while ($row = $sql->db_Fetch())
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{
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$vals = explode('.', $row['online_user_id'], 2);
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$member_list .= "<a href='".SITEURL."user.php?id.{$vals[0]}'>{$vals[1]}</a> ";
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$listuserson[$row['online_user_id']] = $row['online_location'];
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}
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}
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define('TOTAL_ONLINE', $total_online);
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define('MEMBERS_ONLINE', $members_online);
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define('GUESTS_ONLINE', $total_online - $members_online);
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define('ON_PAGE', $sql->db_Count('online', '(*)', "WHERE `online_location` = '{$page}' "));
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define('MEMBER_LIST', $member_list);
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//update most ever online
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$olCountPrefs = e107::getConfig('history'); // Get historic counts of members on line
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if ($total_online > ($olCountPrefs->get('most_members_online') + $olCountPrefs->get('most_guests_online')))
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{
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$olCountPrefs->set('most_members_online', MEMBERS_ONLINE);
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$olCountPrefs->set('most_guests_online', GUESTS_ONLINE);
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$olCountPrefs->set('most_online_datestamp', time());
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$olCountPrefs->save(false, true, false);
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}
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}
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}
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else
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{
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define('e_TRACKING_DISABLED', true); // Used in forum, online menu
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define('TOTAL_ONLINE', '');
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define('MEMBERS_ONLINE', '');
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define('GUESTS_ONLINE', '');
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define('ON_PAGE', '');
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define('MEMBER_LIST', '');
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}
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}
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}
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