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<?php // -*-php-*-
rcs_id('$Id: WhoIsOnline.php,v 1.11 2005/02/02 19:39:42 rurban Exp $');
/*
Copyright 2004 $ThePhpWikiProgrammingTeam
This file is part of PhpWiki.
PhpWiki 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.
PhpWiki is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PhpWiki; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Show summary information of the current user sessions.
* We support two modes: summary and detail. The optional page argument
* links to the page with the other mode.
*
* Formatting and idea borrowed from postnuke. Requires USE_DB_SESSION.
* Works with PearDB, ADODB and dba DbSessions.
*
* Author: Reini Urban
*/
class WikiPlugin_WhoIsOnline
extends WikiPlugin
{
function getName () {
return _("WhoIsOnline");
}
function getDescription () {
return _("Show summary information of the current user sessions.");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.11 $");
}
function getDefaultArguments() {
// two modes: summary and detail, page links to the page with the other mode
return array(
'mode' => 'summary', // or "detail"
'pagename' => '[pagename]', // refer to the page with the other mode
'allow_detail' => false, // if false, page is ignored
'dispose_admin' => false,
);
}
function run($dbi, $argstr, &$request, $basepage) {
global $WikiTheme;
$request->setArg('nocache',1);
$args = $this->getArgs($argstr, $request);
// use the "online.tmpl" template
// todo: check which arguments are really needed in the template.
$stats = $this->getStats($dbi,$request,$args['mode']);
if ($src = $WikiTheme->getImageURL("whosonline"))
$img = HTML::img(array('src' => $src,
'alt' => $this->getName(),
'border' => 0));
else $img = '';
$other = array();
$other['ONLINE_ICON'] = $img;
return new Template('online', $request, array_merge($args, $stats, $other));
}
// box is used to display a fixed-width, narrow version with common header
// just the number of online users.
function box($args=false, $request=false, $basepage=false) {
if (!$request) $request =& $GLOBALS['request'];
$stats = $this->getStats($request->_dbi,$request,'summary');
return $this->makeBox(_("Who is online"),
HTML(HTML::Raw('· '),
WikiLink(_("WhoIsOnline"),'auto',
fmt("%d online users", $stats['NUM_USERS']))));
}
function getSessions($dbi, &$request) {
// check the current user sessions and what they are doing
;
}
// check the current sessions
function getStats($dbi, &$request, $mode='summary') {
$num_pages = 0; $num_users = 0;
$page_iter = $dbi->getAllPages();
while ($page = $page_iter->next()) {
if ($page->isUserPage()) $num_users++;
$num_pages++;
}
//get session data from database
$num_online = 0; $num_guests = 0; $num_registered = 0;
$registered = array(); $guests = array();
$admins = array(); $uniquenames = array();
if (isset($request->_dbsession)) { // only ADODB and SQL backends
$dbsession = &$request->_dbsession;
$sessions = $dbsession->currentSessions();
//$num_online = count($sessions);
$guestname = _("Guest");
foreach ($sessions as $row) {
$data = $row['wiki_user'];
$date = $row['date'];
//Todo: Security issue: Expose REMOTE_ADDR?
// Probably only to WikiAdmin
$ip = $row['ip'];
if (empty($date)) continue;
$num_online++;
$user = @unserialize($data);
if (!empty($user) and !isa($user, "__PHP_incomplete_Class")) {
// if "__PHP_incomplete_Class" try to avoid notice
$userid = @$user->_userid;
$level = @$user->_level;
if ($mode == 'summary' and in_array($userid, $uniquenames)) continue;
$uniquenames[] = $userid;
$page = _("<unknown>"); // where is he?
$action = 'browse';
$objvars = array_keys(get_object_vars($user));
if (in_array('action',$objvars))
$action = @$user->action;
if (in_array('page',$objvars))
$page = @$user->page;
if ($level and $userid) { // registered or guest or what?
//FIXME: htmlentitities name may not be called here. but where then?
$num_registered++;
$registered[] = array('name' => $userid,
'date' => $date,
'action'=> $action,
'page' => $page,
'level' => $level,
'ip' => $ip,
'x' => 'x');
if ($user->_level == WIKIAUTH_ADMIN)
$admins[] = $registered[count($registered)-1];
} else {
$num_guests++;
$guests[] = array('name' => $guestname,
'date' => $date,
'action'=> $action,
'page' => $page,
'level' => $level,
'ip' => $ip,
'x' => 'x');
}
} else {
$num_guests++;
$guests[] = array('name' => $guestname,
'date' => $date,
'action'=> '',
'page' => '',
'level' => 0,
'ip' => $ip,
'x' => 'x');
}
}
}
$num_users = $num_guests + $num_registered;
$sess_time = ini_get('session.gc_maxlifetime'); // in seconds
//TODO: get and sets max stats in global_data
//$page = $dbi->getPage($request->getArg('pagename'));
$stats = array(); $stats['max_online_num'] = 0;
if ($stats = $dbi->get('stats')) {
if ($num_users > $stats['max_online_num']) {
$stats['max_online_num'] = $num_users;
$stats['max_online_time'] = time();
$dbi->set('stats',$stats);
}
} else {
$stats['max_online_num'] = $num_users;
$stats['max_online_time'] = time();
$dbi->set('stats',$stats);
}
return array('SESSDATA_BOOL' => !empty($dbsession),
'NUM_PAGES' => $num_pages,
'NUM_USERS' => $num_users,
'NUM_ONLINE' => $num_online,
'NUM_REGISTERED' => $num_registered,
'NUM_GUESTS' => $num_guests,
'NEWEST_USER' => '', // todo
'MAX_ONLINE_NUM' => $stats['max_online_num'],
'MAX_ONLINE_TIME' => $stats['max_online_time'],
'REGISTERED' => $registered,
'ADMINS' => $admins,
'GUESTS' => $guests,
'SESSION_TIME' => sprintf(_("%d minutes"),$sess_time / 60),
);
}
};
// $Log: WhoIsOnline.php,v $
// Revision 1.11 2005/02/02 19:39:42 rurban
// better box layout
//
// Revision 1.10 2005/02/01 16:22:58 rurban
// avoid __PHP_incomplete_Class notice
//
// Revision 1.9 2004/12/18 17:04:24 rurban
// stabilize not to call UserName() of an incomplete (not loaded) object
//
// Revision 1.8 2004/06/14 11:31:39 rurban
// renamed global $Theme to $WikiTheme (gforge nameclash)
// inherit PageList default options from PageList
// default sortby=pagename
// use options in PageList_Selectable (limit, sortby, ...)
// added action revert, with button at action=diff
// added option regex to WikiAdminSearchReplace
//
// Revision 1.7 2004/05/27 17:49:06 rurban
// renamed DB_Session to DbSession (in CVS also)
// added WikiDB->getParam and WikiDB->getAuthParam method to get rid of globals
// remove leading slash in error message
// added force_unlock parameter to File_Passwd (no return on stale locks)
// fixed adodb session AffectedRows
// added FileFinder helpers to unify local filenames and DATA_PATH names
// editpage.php: new edit toolbar javascript on ENABLE_EDIT_TOOLBAR
//
// Revision 1.6 2004/05/02 15:10:08 rurban
// new finally reliable way to detect if /index.php is called directly
// and if to include lib/main.php
// new global AllActionPages
// SetupWiki now loads all mandatory pages: HOME_PAGE, action pages, and warns if not.
// WikiTranslation what=buttons for Carsten to create the missing MacOSX buttons
// PageGroupTestOne => subpages
// renamed PhpWikiRss to PhpWikiRecentChanges
// more docs, default configs, ...
//
// Revision 1.5 2004/04/06 20:27:05 rurban
// fixed guests (no wiki_user session)
// added ip (to help in ip-throttling)
//
// Revision 1.4 2004/03/30 02:14:04 rurban
// fixed yet another Prefs bug
// added generic PearDb_iter
// $request->appendValidators no so strict as before
// added some box plugin methods
// PageList commalist for condensed output
//
// Revision 1.3 2004/03/12 15:48:08 rurban
// fixed explodePageList: wrong sortby argument order in UnfoldSubpages
// simplified lib/stdlib.php:explodePageList
//
// Revision 1.2 2004/03/10 15:38:49 rurban
// store current user->page and ->action in session for WhoIsOnline
// better WhoIsOnline icon
// fixed WhoIsOnline warnings
//
// Revision 1.1 2004/02/26 19:15:37 rurban
// new WhoIsOnline plugin: session explorer (postnuke style)
//
//
// For emacs users
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
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